R Under development (unstable) (2024-03-25 r86192 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2024 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> source("incl/start.R")
[17:26:59.064] plan(): Setting new future strategy stack:
[17:26:59.065] List of future strategies:
[17:26:59.065] 1. sequential:
[17:26:59.065]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.065]    - tweaked: FALSE
[17:26:59.065]    - call: future::plan("sequential")
[17:26:59.080] plan(): nbrOfWorkers() = 1
> 
> oopts <- c(oopts, options(
+   future.globals.resolve = TRUE,
+   future.globals.onMissing = "error"
+ ))
> 
> message("*** Globals - subassignments ...")
*** Globals - subassignments ...
> 
> message("*** Globals - subassignments w/ x$a <- value ...")
*** Globals - subassignments w/ x$a <- value ...
> 
> ## Truth:
> x <- x0 <- list()
> y0 <- list(a = 1)
> str(list(x = x, y0 = y0))
List of 2
 $ x : list()
 $ y0:List of 1
  ..$ a: num 1
> 
> y <- local({
+   x$a <- 1
+   x
+ })
> stopifnot(identical(y, y0))
> 
> y <- local({
+   x[["a"]] <- 1
+   x
+ })
> stopifnot(identical(y, y0))
> 
> y <- local({
+   x["a"] <- list(1)
+   x
+ })
> stopifnot(identical(y, y0))
> 
> stopifnot(identical(x, list()))
> 
> for (cores in 1:availCores) {
+   ## Speed up CRAN checks: Skip on CRAN Windows 32-bit
+   if (!fullTest && isWin32) next
+   
+   message(sprintf("Testing with %d cores ...", cores))
+   options(mc.cores = cores)
+ 
+   message("availableCores(): ", availableCores())
+ 
+   for (strategy in supportedStrategies(cores)) {
+     message(sprintf("- plan('%s') ...", strategy))
+     plan(strategy)
+ 
+     ## Explicit future
+     x <- list()
+     f <- future({
+       x$a <- 1
+       x
+     })
+     rm(list = "x")
+     y <- value(f)
+     print(y)
+     stopifnot(identical(y, y0))
+ 
+     ## Explicit future (lazy)
+     x <- list()
+     f <- future({
+       x$a <- 1
+       x
+     }, lazy = TRUE)
+     rm(list = "x")
+     y <- value(f)
+     print(y)
+     stopifnot(identical(y, y0))
+ 
+     ## Future assignment
+     x <- list()
+     y %<-% {
+       x$a <- 1
+       x
+     }
+     rm(list = "x")
+     print(y)
+     stopifnot(identical(y, y0))
+ 
+     ## Same with forced lazy evaluation
+     x <- list()
+     y %<-% {
+       x$a <- 1
+       x
+     } %lazy% TRUE
+     rm(list = "x")
+     print(y)
+     stopifnot(identical(y, y0))
+ 
+     ## 'x' is _not_ a global variable here
+     x <- list()
+     y %<-% {
+       x <- list(b = 2)
+       x$a <- 1
+       x
+     }
+     rm(list = "x")
+     print(y)
+     stopifnot(identical(y, list(b = 2, a = 1)))
+ 
+     ## Explicit future
+     x <- list()
+     f <- future({
+       x[["a"]] <- 1
+       x
+     })
+     rm(list = "x")
+     y <- value(f)
+     print(y)
+     stopifnot(identical(y, y0))
+ 
+     ## Explicit future (lazy)
+     x <- list()
+     f <- future({
+       x[["a"]] <- 1
+       x
+     }, lazy = TRUE)
+     rm(list = "x")
+     y <- value(f)
+     print(y)
+     stopifnot(identical(y, y0))
+ 
+     ## Future assignment
+     x <- list()
+     y %<-% {
+       x[["a"]] <- 1
+       x
+     }
+     rm(list = "x")
+     print(y)
+     stopifnot(identical(y, y0))
+     
+     ## Explicit future
+     x <- list()
+     f <- future({
+       x["a"] <- list(1)
+       x
+     })
+     rm(list = "x")
+     y <- value(f)
+     print(y)
+     stopifnot(identical(y, y0))
+ 
+     ## Explicit future (lazy)
+     x <- list()
+     f <- future({
+       x["a"] <- list(1)
+       x
+     }, lazy = TRUE)
+     rm(list = "x")
+     y <- value(f)
+     print(y)
+     stopifnot(identical(y, y0))
+ 
+     ## Future assignment
+     x <- list()
+     y %<-% {
+       x["a"] <- list(1)
+       x
+     }
+     rm(list = "x")
+     print(y)
+     stopifnot(identical(y, y0))
+ 
+     ## Future assignment
+     x <- list()
+     name <- "a"
+     y %<-% {
+       x[name] <- list(1)
+       x
+     }
+     rm(list = c("x", "name"))
+     print(y)
+     stopifnot(identical(y, y0))
+   } ## for (strategy ...)
+ 
+   message(sprintf("Testing with %d cores ... DONE", cores))
+ } ## for (cores ...)
Testing with 1 cores ...
availableCores(): 1
- plan('sequential') ...
[17:26:59.159] plan(): Setting new future strategy stack:
[17:26:59.160] List of future strategies:
[17:26:59.160] 1. sequential:
[17:26:59.160]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.160]    - tweaked: FALSE
[17:26:59.160]    - call: plan(strategy)
[17:26:59.173] plan(): nbrOfWorkers() = 1
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:26:59.174] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:26:59.174] Searching for globals...
[17:26:59.183] - globals found: [5] '{', 'x', '<-', '$', '$<-'
[17:26:59.183] Searching for globals ... DONE
[17:26:59.183] Resolving globals: TRUE
[17:26:59.183] Resolving any globals that are futures ...
[17:26:59.183] - globals: [5] '{', 'x', '<-', '$', '$<-'
[17:26:59.183] Resolving any globals that are futures ... DONE
[17:26:59.184] Resolving futures part of globals (recursively) ...
[17:26:59.185] resolve() on list ...
[17:26:59.185]  recursive: 99
[17:26:59.186]  length: 1
[17:26:59.186]  elements: 'x'
[17:26:59.186]  length: 0 (resolved future 1)
[17:26:59.186] resolve() on list ... DONE
[17:26:59.186] - globals: [1] 'x'
[17:26:59.186] Resolving futures part of globals (recursively) ... DONE
[17:26:59.187] The total size of the 1 globals is 0 bytes (0 bytes)
[17:26:59.187] The total size of the 1 globals exported for future expression ('{; x$a <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:26:59.188] - globals: [1] 'x'
[17:26:59.188] 
[17:26:59.188] getGlobalsAndPackages() ... DONE
[17:26:59.189] run() for 'Future' ...
[17:26:59.189] - state: 'created'
[17:26:59.189] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:59.190] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:59.190] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:59.190]   - Field: 'label'
[17:26:59.190]   - Field: 'local'
[17:26:59.190]   - Field: 'owner'
[17:26:59.191]   - Field: 'envir'
[17:26:59.191]   - Field: 'packages'
[17:26:59.191]   - Field: 'gc'
[17:26:59.191]   - Field: 'conditions'
[17:26:59.191]   - Field: 'expr'
[17:26:59.192]   - Field: 'uuid'
[17:26:59.192]   - Field: 'seed'
[17:26:59.192]   - Field: 'version'
[17:26:59.192]   - Field: 'result'
[17:26:59.192]   - Field: 'asynchronous'
[17:26:59.192]   - Field: 'calls'
[17:26:59.193]   - Field: 'globals'
[17:26:59.193]   - Field: 'stdout'
[17:26:59.193]   - Field: 'earlySignal'
[17:26:59.193]   - Field: 'lazy'
[17:26:59.193]   - Field: 'state'
[17:26:59.193] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:59.194] - Launch lazy future ...
[17:26:59.195] Packages needed by the future expression (n = 0): <none>
[17:26:59.195] Packages needed by future strategies (n = 0): <none>
[17:26:59.197] {
[17:26:59.197]     {
[17:26:59.197]         {
[17:26:59.197]             ...future.startTime <- base::Sys.time()
[17:26:59.197]             {
[17:26:59.197]                 {
[17:26:59.197]                   {
[17:26:59.197]                     base::local({
[17:26:59.197]                       has_future <- base::requireNamespace("future", 
[17:26:59.197]                         quietly = TRUE)
[17:26:59.197]                       if (has_future) {
[17:26:59.197]                         ns <- base::getNamespace("future")
[17:26:59.197]                         version <- ns[[".package"]][["version"]]
[17:26:59.197]                         if (is.null(version)) 
[17:26:59.197]                           version <- utils::packageVersion("future")
[17:26:59.197]                       }
[17:26:59.197]                       else {
[17:26:59.197]                         version <- NULL
[17:26:59.197]                       }
[17:26:59.197]                       if (!has_future || version < "1.8.0") {
[17:26:59.197]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:59.197]                           "", base::R.version$version.string), 
[17:26:59.197]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:59.197]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:59.197]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:59.197]                             "release", "version")], collapse = " "), 
[17:26:59.197]                           hostname = base::Sys.info()[["nodename"]])
[17:26:59.197]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:59.197]                           info)
[17:26:59.197]                         info <- base::paste(info, collapse = "; ")
[17:26:59.197]                         if (!has_future) {
[17:26:59.197]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:59.197]                             info)
[17:26:59.197]                         }
[17:26:59.197]                         else {
[17:26:59.197]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:59.197]                             info, version)
[17:26:59.197]                         }
[17:26:59.197]                         base::stop(msg)
[17:26:59.197]                       }
[17:26:59.197]                     })
[17:26:59.197]                   }
[17:26:59.197]                   ...future.strategy.old <- future::plan("list")
[17:26:59.197]                   options(future.plan = NULL)
[17:26:59.197]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.197]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:59.197]                 }
[17:26:59.197]                 ...future.workdir <- getwd()
[17:26:59.197]             }
[17:26:59.197]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:59.197]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:59.197]         }
[17:26:59.197]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:26:59.197]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:59.197]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:26:59.197]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:26:59.197]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:59.197]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:59.197]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:59.197]             base::names(...future.oldOptions))
[17:26:59.197]     }
[17:26:59.197]     if (FALSE) {
[17:26:59.197]     }
[17:26:59.197]     else {
[17:26:59.197]         if (TRUE) {
[17:26:59.197]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:59.197]                 open = "w")
[17:26:59.197]         }
[17:26:59.197]         else {
[17:26:59.197]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:59.197]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:59.197]         }
[17:26:59.197]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:59.197]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:59.197]             base::sink(type = "output", split = FALSE)
[17:26:59.197]             base::close(...future.stdout)
[17:26:59.197]         }, add = TRUE)
[17:26:59.197]     }
[17:26:59.197]     ...future.frame <- base::sys.nframe()
[17:26:59.197]     ...future.conditions <- base::list()
[17:26:59.197]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:59.197]     if (FALSE) {
[17:26:59.197]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:59.197]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:59.197]     }
[17:26:59.197]     ...future.result <- base::tryCatch({
[17:26:59.197]         base::withCallingHandlers({
[17:26:59.197]             ...future.value <- base::withVisible(base::local({
[17:26:59.197]                 x$a <- 1
[17:26:59.197]                 x
[17:26:59.197]             }))
[17:26:59.197]             future::FutureResult(value = ...future.value$value, 
[17:26:59.197]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.197]                   ...future.rng), globalenv = if (FALSE) 
[17:26:59.197]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:59.197]                     ...future.globalenv.names))
[17:26:59.197]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:59.197]         }, condition = base::local({
[17:26:59.197]             c <- base::c
[17:26:59.197]             inherits <- base::inherits
[17:26:59.197]             invokeRestart <- base::invokeRestart
[17:26:59.197]             length <- base::length
[17:26:59.197]             list <- base::list
[17:26:59.197]             seq.int <- base::seq.int
[17:26:59.197]             signalCondition <- base::signalCondition
[17:26:59.197]             sys.calls <- base::sys.calls
[17:26:59.197]             `[[` <- base::`[[`
[17:26:59.197]             `+` <- base::`+`
[17:26:59.197]             `<<-` <- base::`<<-`
[17:26:59.197]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:59.197]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:59.197]                   3L)]
[17:26:59.197]             }
[17:26:59.197]             function(cond) {
[17:26:59.197]                 is_error <- inherits(cond, "error")
[17:26:59.197]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:59.197]                   NULL)
[17:26:59.197]                 if (is_error) {
[17:26:59.197]                   sessionInformation <- function() {
[17:26:59.197]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:59.197]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:59.197]                       search = base::search(), system = base::Sys.info())
[17:26:59.197]                   }
[17:26:59.197]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.197]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:59.197]                     cond$call), session = sessionInformation(), 
[17:26:59.197]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:59.197]                   signalCondition(cond)
[17:26:59.197]                 }
[17:26:59.197]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:59.197]                 "immediateCondition"))) {
[17:26:59.197]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:59.197]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.197]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:59.197]                   if (TRUE && !signal) {
[17:26:59.197]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.197]                     {
[17:26:59.197]                       inherits <- base::inherits
[17:26:59.197]                       invokeRestart <- base::invokeRestart
[17:26:59.197]                       is.null <- base::is.null
[17:26:59.197]                       muffled <- FALSE
[17:26:59.197]                       if (inherits(cond, "message")) {
[17:26:59.197]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.197]                         if (muffled) 
[17:26:59.197]                           invokeRestart("muffleMessage")
[17:26:59.197]                       }
[17:26:59.197]                       else if (inherits(cond, "warning")) {
[17:26:59.197]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.197]                         if (muffled) 
[17:26:59.197]                           invokeRestart("muffleWarning")
[17:26:59.197]                       }
[17:26:59.197]                       else if (inherits(cond, "condition")) {
[17:26:59.197]                         if (!is.null(pattern)) {
[17:26:59.197]                           computeRestarts <- base::computeRestarts
[17:26:59.197]                           grepl <- base::grepl
[17:26:59.197]                           restarts <- computeRestarts(cond)
[17:26:59.197]                           for (restart in restarts) {
[17:26:59.197]                             name <- restart$name
[17:26:59.197]                             if (is.null(name)) 
[17:26:59.197]                               next
[17:26:59.197]                             if (!grepl(pattern, name)) 
[17:26:59.197]                               next
[17:26:59.197]                             invokeRestart(restart)
[17:26:59.197]                             muffled <- TRUE
[17:26:59.197]                             break
[17:26:59.197]                           }
[17:26:59.197]                         }
[17:26:59.197]                       }
[17:26:59.197]                       invisible(muffled)
[17:26:59.197]                     }
[17:26:59.197]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.197]                   }
[17:26:59.197]                 }
[17:26:59.197]                 else {
[17:26:59.197]                   if (TRUE) {
[17:26:59.197]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.197]                     {
[17:26:59.197]                       inherits <- base::inherits
[17:26:59.197]                       invokeRestart <- base::invokeRestart
[17:26:59.197]                       is.null <- base::is.null
[17:26:59.197]                       muffled <- FALSE
[17:26:59.197]                       if (inherits(cond, "message")) {
[17:26:59.197]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.197]                         if (muffled) 
[17:26:59.197]                           invokeRestart("muffleMessage")
[17:26:59.197]                       }
[17:26:59.197]                       else if (inherits(cond, "warning")) {
[17:26:59.197]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.197]                         if (muffled) 
[17:26:59.197]                           invokeRestart("muffleWarning")
[17:26:59.197]                       }
[17:26:59.197]                       else if (inherits(cond, "condition")) {
[17:26:59.197]                         if (!is.null(pattern)) {
[17:26:59.197]                           computeRestarts <- base::computeRestarts
[17:26:59.197]                           grepl <- base::grepl
[17:26:59.197]                           restarts <- computeRestarts(cond)
[17:26:59.197]                           for (restart in restarts) {
[17:26:59.197]                             name <- restart$name
[17:26:59.197]                             if (is.null(name)) 
[17:26:59.197]                               next
[17:26:59.197]                             if (!grepl(pattern, name)) 
[17:26:59.197]                               next
[17:26:59.197]                             invokeRestart(restart)
[17:26:59.197]                             muffled <- TRUE
[17:26:59.197]                             break
[17:26:59.197]                           }
[17:26:59.197]                         }
[17:26:59.197]                       }
[17:26:59.197]                       invisible(muffled)
[17:26:59.197]                     }
[17:26:59.197]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.197]                   }
[17:26:59.197]                 }
[17:26:59.197]             }
[17:26:59.197]         }))
[17:26:59.197]     }, error = function(ex) {
[17:26:59.197]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:59.197]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.197]                 ...future.rng), started = ...future.startTime, 
[17:26:59.197]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:59.197]             version = "1.8"), class = "FutureResult")
[17:26:59.197]     }, finally = {
[17:26:59.197]         if (!identical(...future.workdir, getwd())) 
[17:26:59.197]             setwd(...future.workdir)
[17:26:59.197]         {
[17:26:59.197]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:59.197]                 ...future.oldOptions$nwarnings <- NULL
[17:26:59.197]             }
[17:26:59.197]             base::options(...future.oldOptions)
[17:26:59.197]             if (.Platform$OS.type == "windows") {
[17:26:59.197]                 old_names <- names(...future.oldEnvVars)
[17:26:59.197]                 envs <- base::Sys.getenv()
[17:26:59.197]                 names <- names(envs)
[17:26:59.197]                 common <- intersect(names, old_names)
[17:26:59.197]                 added <- setdiff(names, old_names)
[17:26:59.197]                 removed <- setdiff(old_names, names)
[17:26:59.197]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:59.197]                   envs[common]]
[17:26:59.197]                 NAMES <- toupper(changed)
[17:26:59.197]                 args <- list()
[17:26:59.197]                 for (kk in seq_along(NAMES)) {
[17:26:59.197]                   name <- changed[[kk]]
[17:26:59.197]                   NAME <- NAMES[[kk]]
[17:26:59.197]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.197]                     next
[17:26:59.197]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.197]                 }
[17:26:59.197]                 NAMES <- toupper(added)
[17:26:59.197]                 for (kk in seq_along(NAMES)) {
[17:26:59.197]                   name <- added[[kk]]
[17:26:59.197]                   NAME <- NAMES[[kk]]
[17:26:59.197]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.197]                     next
[17:26:59.197]                   args[[name]] <- ""
[17:26:59.197]                 }
[17:26:59.197]                 NAMES <- toupper(removed)
[17:26:59.197]                 for (kk in seq_along(NAMES)) {
[17:26:59.197]                   name <- removed[[kk]]
[17:26:59.197]                   NAME <- NAMES[[kk]]
[17:26:59.197]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.197]                     next
[17:26:59.197]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.197]                 }
[17:26:59.197]                 if (length(args) > 0) 
[17:26:59.197]                   base::do.call(base::Sys.setenv, args = args)
[17:26:59.197]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:59.197]             }
[17:26:59.197]             else {
[17:26:59.197]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:59.197]             }
[17:26:59.197]             {
[17:26:59.197]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:59.197]                   0L) {
[17:26:59.197]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:59.197]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:59.197]                   base::options(opts)
[17:26:59.197]                 }
[17:26:59.197]                 {
[17:26:59.197]                   {
[17:26:59.197]                     NULL
[17:26:59.197]                     RNGkind("Mersenne-Twister")
[17:26:59.197]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:59.197]                       inherits = FALSE)
[17:26:59.197]                   }
[17:26:59.197]                   options(future.plan = NULL)
[17:26:59.197]                   if (is.na(NA_character_)) 
[17:26:59.197]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.197]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:59.197]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:59.197]                     .init = FALSE)
[17:26:59.197]                 }
[17:26:59.197]             }
[17:26:59.197]         }
[17:26:59.197]     })
[17:26:59.197]     if (TRUE) {
[17:26:59.197]         base::sink(type = "output", split = FALSE)
[17:26:59.197]         if (TRUE) {
[17:26:59.197]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:59.197]         }
[17:26:59.197]         else {
[17:26:59.197]             ...future.result["stdout"] <- base::list(NULL)
[17:26:59.197]         }
[17:26:59.197]         base::close(...future.stdout)
[17:26:59.197]         ...future.stdout <- NULL
[17:26:59.197]     }
[17:26:59.197]     ...future.result$conditions <- ...future.conditions
[17:26:59.197]     ...future.result$finished <- base::Sys.time()
[17:26:59.197]     ...future.result
[17:26:59.197] }
[17:26:59.201] assign_globals() ...
[17:26:59.201] List of 1
[17:26:59.201]  $ x: list()
[17:26:59.201]  - attr(*, "where")=List of 1
[17:26:59.201]   ..$ x:<environment: R_EmptyEnv> 
[17:26:59.201]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:26:59.201]  - attr(*, "resolved")= logi TRUE
[17:26:59.201]  - attr(*, "total_size")= num 0
[17:26:59.201]  - attr(*, "already-done")= logi TRUE
[17:26:59.204] - copied 'x' to environment
[17:26:59.204] assign_globals() ... done
[17:26:59.205] plan(): Setting new future strategy stack:
[17:26:59.205] List of future strategies:
[17:26:59.205] 1. sequential:
[17:26:59.205]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.205]    - tweaked: FALSE
[17:26:59.205]    - call: NULL
[17:26:59.205] plan(): nbrOfWorkers() = 1
[17:26:59.207] plan(): Setting new future strategy stack:
[17:26:59.207] List of future strategies:
[17:26:59.207] 1. sequential:
[17:26:59.207]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.207]    - tweaked: FALSE
[17:26:59.207]    - call: plan(strategy)
[17:26:59.208] plan(): nbrOfWorkers() = 1
[17:26:59.208] SequentialFuture started (and completed)
[17:26:59.209] - Launch lazy future ... done
[17:26:59.209] run() for 'SequentialFuture' ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:26:59.210] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:26:59.210] Searching for globals...
[17:26:59.212] - globals found: [5] '{', 'x', '<-', '$', '$<-'
[17:26:59.212] Searching for globals ... DONE
[17:26:59.213] Resolving globals: TRUE
[17:26:59.213] Resolving any globals that are futures ...
[17:26:59.213] - globals: [5] '{', 'x', '<-', '$', '$<-'
[17:26:59.213] Resolving any globals that are futures ... DONE
[17:26:59.214] Resolving futures part of globals (recursively) ...
[17:26:59.214] resolve() on list ...
[17:26:59.214]  recursive: 99
[17:26:59.214]  length: 1
[17:26:59.214]  elements: 'x'
[17:26:59.215]  length: 0 (resolved future 1)
[17:26:59.215] resolve() on list ... DONE
[17:26:59.215] - globals: [1] 'x'
[17:26:59.215] Resolving futures part of globals (recursively) ... DONE
[17:26:59.215] The total size of the 1 globals is 0 bytes (0 bytes)
[17:26:59.216] The total size of the 1 globals exported for future expression ('{; x$a <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:26:59.216] - globals: [1] 'x'
[17:26:59.216] 
[17:26:59.216] getGlobalsAndPackages() ... DONE
[17:26:59.217] run() for 'Future' ...
[17:26:59.217] - state: 'created'
[17:26:59.217] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:59.217] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:59.218] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:59.218]   - Field: 'label'
[17:26:59.218]   - Field: 'local'
[17:26:59.218]   - Field: 'owner'
[17:26:59.218]   - Field: 'envir'
[17:26:59.218]   - Field: 'packages'
[17:26:59.219]   - Field: 'gc'
[17:26:59.219]   - Field: 'conditions'
[17:26:59.219]   - Field: 'expr'
[17:26:59.219]   - Field: 'uuid'
[17:26:59.219]   - Field: 'seed'
[17:26:59.219]   - Field: 'version'
[17:26:59.220]   - Field: 'result'
[17:26:59.220]   - Field: 'asynchronous'
[17:26:59.220]   - Field: 'calls'
[17:26:59.220]   - Field: 'globals'
[17:26:59.220]   - Field: 'stdout'
[17:26:59.220]   - Field: 'earlySignal'
[17:26:59.221]   - Field: 'lazy'
[17:26:59.221]   - Field: 'state'
[17:26:59.221] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:59.221] - Launch lazy future ...
[17:26:59.221] Packages needed by the future expression (n = 0): <none>
[17:26:59.222] Packages needed by future strategies (n = 0): <none>
[17:26:59.222] {
[17:26:59.222]     {
[17:26:59.222]         {
[17:26:59.222]             ...future.startTime <- base::Sys.time()
[17:26:59.222]             {
[17:26:59.222]                 {
[17:26:59.222]                   {
[17:26:59.222]                     base::local({
[17:26:59.222]                       has_future <- base::requireNamespace("future", 
[17:26:59.222]                         quietly = TRUE)
[17:26:59.222]                       if (has_future) {
[17:26:59.222]                         ns <- base::getNamespace("future")
[17:26:59.222]                         version <- ns[[".package"]][["version"]]
[17:26:59.222]                         if (is.null(version)) 
[17:26:59.222]                           version <- utils::packageVersion("future")
[17:26:59.222]                       }
[17:26:59.222]                       else {
[17:26:59.222]                         version <- NULL
[17:26:59.222]                       }
[17:26:59.222]                       if (!has_future || version < "1.8.0") {
[17:26:59.222]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:59.222]                           "", base::R.version$version.string), 
[17:26:59.222]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:59.222]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:59.222]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:59.222]                             "release", "version")], collapse = " "), 
[17:26:59.222]                           hostname = base::Sys.info()[["nodename"]])
[17:26:59.222]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:59.222]                           info)
[17:26:59.222]                         info <- base::paste(info, collapse = "; ")
[17:26:59.222]                         if (!has_future) {
[17:26:59.222]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:59.222]                             info)
[17:26:59.222]                         }
[17:26:59.222]                         else {
[17:26:59.222]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:59.222]                             info, version)
[17:26:59.222]                         }
[17:26:59.222]                         base::stop(msg)
[17:26:59.222]                       }
[17:26:59.222]                     })
[17:26:59.222]                   }
[17:26:59.222]                   ...future.strategy.old <- future::plan("list")
[17:26:59.222]                   options(future.plan = NULL)
[17:26:59.222]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.222]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:59.222]                 }
[17:26:59.222]                 ...future.workdir <- getwd()
[17:26:59.222]             }
[17:26:59.222]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:59.222]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:59.222]         }
[17:26:59.222]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:26:59.222]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:59.222]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:26:59.222]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:26:59.222]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:59.222]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:59.222]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:59.222]             base::names(...future.oldOptions))
[17:26:59.222]     }
[17:26:59.222]     if (FALSE) {
[17:26:59.222]     }
[17:26:59.222]     else {
[17:26:59.222]         if (TRUE) {
[17:26:59.222]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:59.222]                 open = "w")
[17:26:59.222]         }
[17:26:59.222]         else {
[17:26:59.222]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:59.222]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:59.222]         }
[17:26:59.222]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:59.222]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:59.222]             base::sink(type = "output", split = FALSE)
[17:26:59.222]             base::close(...future.stdout)
[17:26:59.222]         }, add = TRUE)
[17:26:59.222]     }
[17:26:59.222]     ...future.frame <- base::sys.nframe()
[17:26:59.222]     ...future.conditions <- base::list()
[17:26:59.222]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:59.222]     if (FALSE) {
[17:26:59.222]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:59.222]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:59.222]     }
[17:26:59.222]     ...future.result <- base::tryCatch({
[17:26:59.222]         base::withCallingHandlers({
[17:26:59.222]             ...future.value <- base::withVisible(base::local({
[17:26:59.222]                 x$a <- 1
[17:26:59.222]                 x
[17:26:59.222]             }))
[17:26:59.222]             future::FutureResult(value = ...future.value$value, 
[17:26:59.222]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.222]                   ...future.rng), globalenv = if (FALSE) 
[17:26:59.222]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:59.222]                     ...future.globalenv.names))
[17:26:59.222]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:59.222]         }, condition = base::local({
[17:26:59.222]             c <- base::c
[17:26:59.222]             inherits <- base::inherits
[17:26:59.222]             invokeRestart <- base::invokeRestart
[17:26:59.222]             length <- base::length
[17:26:59.222]             list <- base::list
[17:26:59.222]             seq.int <- base::seq.int
[17:26:59.222]             signalCondition <- base::signalCondition
[17:26:59.222]             sys.calls <- base::sys.calls
[17:26:59.222]             `[[` <- base::`[[`
[17:26:59.222]             `+` <- base::`+`
[17:26:59.222]             `<<-` <- base::`<<-`
[17:26:59.222]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:59.222]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:59.222]                   3L)]
[17:26:59.222]             }
[17:26:59.222]             function(cond) {
[17:26:59.222]                 is_error <- inherits(cond, "error")
[17:26:59.222]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:59.222]                   NULL)
[17:26:59.222]                 if (is_error) {
[17:26:59.222]                   sessionInformation <- function() {
[17:26:59.222]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:59.222]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:59.222]                       search = base::search(), system = base::Sys.info())
[17:26:59.222]                   }
[17:26:59.222]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.222]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:59.222]                     cond$call), session = sessionInformation(), 
[17:26:59.222]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:59.222]                   signalCondition(cond)
[17:26:59.222]                 }
[17:26:59.222]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:59.222]                 "immediateCondition"))) {
[17:26:59.222]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:59.222]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.222]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:59.222]                   if (TRUE && !signal) {
[17:26:59.222]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.222]                     {
[17:26:59.222]                       inherits <- base::inherits
[17:26:59.222]                       invokeRestart <- base::invokeRestart
[17:26:59.222]                       is.null <- base::is.null
[17:26:59.222]                       muffled <- FALSE
[17:26:59.222]                       if (inherits(cond, "message")) {
[17:26:59.222]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.222]                         if (muffled) 
[17:26:59.222]                           invokeRestart("muffleMessage")
[17:26:59.222]                       }
[17:26:59.222]                       else if (inherits(cond, "warning")) {
[17:26:59.222]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.222]                         if (muffled) 
[17:26:59.222]                           invokeRestart("muffleWarning")
[17:26:59.222]                       }
[17:26:59.222]                       else if (inherits(cond, "condition")) {
[17:26:59.222]                         if (!is.null(pattern)) {
[17:26:59.222]                           computeRestarts <- base::computeRestarts
[17:26:59.222]                           grepl <- base::grepl
[17:26:59.222]                           restarts <- computeRestarts(cond)
[17:26:59.222]                           for (restart in restarts) {
[17:26:59.222]                             name <- restart$name
[17:26:59.222]                             if (is.null(name)) 
[17:26:59.222]                               next
[17:26:59.222]                             if (!grepl(pattern, name)) 
[17:26:59.222]                               next
[17:26:59.222]                             invokeRestart(restart)
[17:26:59.222]                             muffled <- TRUE
[17:26:59.222]                             break
[17:26:59.222]                           }
[17:26:59.222]                         }
[17:26:59.222]                       }
[17:26:59.222]                       invisible(muffled)
[17:26:59.222]                     }
[17:26:59.222]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.222]                   }
[17:26:59.222]                 }
[17:26:59.222]                 else {
[17:26:59.222]                   if (TRUE) {
[17:26:59.222]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.222]                     {
[17:26:59.222]                       inherits <- base::inherits
[17:26:59.222]                       invokeRestart <- base::invokeRestart
[17:26:59.222]                       is.null <- base::is.null
[17:26:59.222]                       muffled <- FALSE
[17:26:59.222]                       if (inherits(cond, "message")) {
[17:26:59.222]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.222]                         if (muffled) 
[17:26:59.222]                           invokeRestart("muffleMessage")
[17:26:59.222]                       }
[17:26:59.222]                       else if (inherits(cond, "warning")) {
[17:26:59.222]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.222]                         if (muffled) 
[17:26:59.222]                           invokeRestart("muffleWarning")
[17:26:59.222]                       }
[17:26:59.222]                       else if (inherits(cond, "condition")) {
[17:26:59.222]                         if (!is.null(pattern)) {
[17:26:59.222]                           computeRestarts <- base::computeRestarts
[17:26:59.222]                           grepl <- base::grepl
[17:26:59.222]                           restarts <- computeRestarts(cond)
[17:26:59.222]                           for (restart in restarts) {
[17:26:59.222]                             name <- restart$name
[17:26:59.222]                             if (is.null(name)) 
[17:26:59.222]                               next
[17:26:59.222]                             if (!grepl(pattern, name)) 
[17:26:59.222]                               next
[17:26:59.222]                             invokeRestart(restart)
[17:26:59.222]                             muffled <- TRUE
[17:26:59.222]                             break
[17:26:59.222]                           }
[17:26:59.222]                         }
[17:26:59.222]                       }
[17:26:59.222]                       invisible(muffled)
[17:26:59.222]                     }
[17:26:59.222]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.222]                   }
[17:26:59.222]                 }
[17:26:59.222]             }
[17:26:59.222]         }))
[17:26:59.222]     }, error = function(ex) {
[17:26:59.222]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:59.222]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.222]                 ...future.rng), started = ...future.startTime, 
[17:26:59.222]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:59.222]             version = "1.8"), class = "FutureResult")
[17:26:59.222]     }, finally = {
[17:26:59.222]         if (!identical(...future.workdir, getwd())) 
[17:26:59.222]             setwd(...future.workdir)
[17:26:59.222]         {
[17:26:59.222]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:59.222]                 ...future.oldOptions$nwarnings <- NULL
[17:26:59.222]             }
[17:26:59.222]             base::options(...future.oldOptions)
[17:26:59.222]             if (.Platform$OS.type == "windows") {
[17:26:59.222]                 old_names <- names(...future.oldEnvVars)
[17:26:59.222]                 envs <- base::Sys.getenv()
[17:26:59.222]                 names <- names(envs)
[17:26:59.222]                 common <- intersect(names, old_names)
[17:26:59.222]                 added <- setdiff(names, old_names)
[17:26:59.222]                 removed <- setdiff(old_names, names)
[17:26:59.222]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:59.222]                   envs[common]]
[17:26:59.222]                 NAMES <- toupper(changed)
[17:26:59.222]                 args <- list()
[17:26:59.222]                 for (kk in seq_along(NAMES)) {
[17:26:59.222]                   name <- changed[[kk]]
[17:26:59.222]                   NAME <- NAMES[[kk]]
[17:26:59.222]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.222]                     next
[17:26:59.222]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.222]                 }
[17:26:59.222]                 NAMES <- toupper(added)
[17:26:59.222]                 for (kk in seq_along(NAMES)) {
[17:26:59.222]                   name <- added[[kk]]
[17:26:59.222]                   NAME <- NAMES[[kk]]
[17:26:59.222]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.222]                     next
[17:26:59.222]                   args[[name]] <- ""
[17:26:59.222]                 }
[17:26:59.222]                 NAMES <- toupper(removed)
[17:26:59.222]                 for (kk in seq_along(NAMES)) {
[17:26:59.222]                   name <- removed[[kk]]
[17:26:59.222]                   NAME <- NAMES[[kk]]
[17:26:59.222]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.222]                     next
[17:26:59.222]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.222]                 }
[17:26:59.222]                 if (length(args) > 0) 
[17:26:59.222]                   base::do.call(base::Sys.setenv, args = args)
[17:26:59.222]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:59.222]             }
[17:26:59.222]             else {
[17:26:59.222]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:59.222]             }
[17:26:59.222]             {
[17:26:59.222]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:59.222]                   0L) {
[17:26:59.222]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:59.222]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:59.222]                   base::options(opts)
[17:26:59.222]                 }
[17:26:59.222]                 {
[17:26:59.222]                   {
[17:26:59.222]                     NULL
[17:26:59.222]                     RNGkind("Mersenne-Twister")
[17:26:59.222]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:59.222]                       inherits = FALSE)
[17:26:59.222]                   }
[17:26:59.222]                   options(future.plan = NULL)
[17:26:59.222]                   if (is.na(NA_character_)) 
[17:26:59.222]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.222]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:59.222]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:59.222]                     .init = FALSE)
[17:26:59.222]                 }
[17:26:59.222]             }
[17:26:59.222]         }
[17:26:59.222]     })
[17:26:59.222]     if (TRUE) {
[17:26:59.222]         base::sink(type = "output", split = FALSE)
[17:26:59.222]         if (TRUE) {
[17:26:59.222]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:59.222]         }
[17:26:59.222]         else {
[17:26:59.222]             ...future.result["stdout"] <- base::list(NULL)
[17:26:59.222]         }
[17:26:59.222]         base::close(...future.stdout)
[17:26:59.222]         ...future.stdout <- NULL
[17:26:59.222]     }
[17:26:59.222]     ...future.result$conditions <- ...future.conditions
[17:26:59.222]     ...future.result$finished <- base::Sys.time()
[17:26:59.222]     ...future.result
[17:26:59.222] }
[17:26:59.226] assign_globals() ...
[17:26:59.226] List of 1
[17:26:59.226]  $ x: list()
[17:26:59.226]  - attr(*, "where")=List of 1
[17:26:59.226]   ..$ x:<environment: R_EmptyEnv> 
[17:26:59.226]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:26:59.226]  - attr(*, "resolved")= logi TRUE
[17:26:59.226]  - attr(*, "total_size")= num 0
[17:26:59.226]  - attr(*, "already-done")= logi TRUE
[17:26:59.229] - copied 'x' to environment
[17:26:59.229] assign_globals() ... done
[17:26:59.229] plan(): Setting new future strategy stack:
[17:26:59.229] List of future strategies:
[17:26:59.229] 1. sequential:
[17:26:59.229]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.229]    - tweaked: FALSE
[17:26:59.229]    - call: NULL
[17:26:59.230] plan(): nbrOfWorkers() = 1
[17:26:59.231] plan(): Setting new future strategy stack:
[17:26:59.231] List of future strategies:
[17:26:59.231] 1. sequential:
[17:26:59.231]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.231]    - tweaked: FALSE
[17:26:59.231]    - call: plan(strategy)
[17:26:59.232] plan(): nbrOfWorkers() = 1
[17:26:59.232] SequentialFuture started (and completed)
[17:26:59.232] - Launch lazy future ... done
[17:26:59.233] run() for 'SequentialFuture' ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:26:59.235] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:26:59.235] Searching for globals...
[17:26:59.237] - globals found: [5] '{', 'x', '<-', '$', '$<-'
[17:26:59.238] Searching for globals ... DONE
[17:26:59.238] Resolving globals: TRUE
[17:26:59.238] Resolving any globals that are futures ...
[17:26:59.238] - globals: [5] '{', 'x', '<-', '$', '$<-'
[17:26:59.239] Resolving any globals that are futures ... DONE
[17:26:59.239] Resolving futures part of globals (recursively) ...
[17:26:59.240] resolve() on list ...
[17:26:59.240]  recursive: 99
[17:26:59.240]  length: 1
[17:26:59.241]  elements: 'x'
[17:26:59.241]  length: 0 (resolved future 1)
[17:26:59.241] resolve() on list ... DONE
[17:26:59.242] - globals: [1] 'x'
[17:26:59.242] Resolving futures part of globals (recursively) ... DONE
[17:26:59.242] The total size of the 1 globals is 0 bytes (0 bytes)
[17:26:59.243] The total size of the 1 globals exported for future expression ('{; x$a <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:26:59.243] - globals: [1] 'x'
[17:26:59.243] 
[17:26:59.243] getGlobalsAndPackages() ... DONE
[17:26:59.244] run() for 'Future' ...
[17:26:59.244] - state: 'created'
[17:26:59.244] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:59.245] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:59.245] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:59.245]   - Field: 'label'
[17:26:59.246]   - Field: 'local'
[17:26:59.246]   - Field: 'owner'
[17:26:59.246]   - Field: 'envir'
[17:26:59.246]   - Field: 'packages'
[17:26:59.247]   - Field: 'gc'
[17:26:59.247]   - Field: 'conditions'
[17:26:59.247]   - Field: 'expr'
[17:26:59.247]   - Field: 'uuid'
[17:26:59.248]   - Field: 'seed'
[17:26:59.248]   - Field: 'version'
[17:26:59.248]   - Field: 'result'
[17:26:59.248]   - Field: 'asynchronous'
[17:26:59.249]   - Field: 'calls'
[17:26:59.249]   - Field: 'globals'
[17:26:59.249]   - Field: 'stdout'
[17:26:59.249]   - Field: 'earlySignal'
[17:26:59.250]   - Field: 'lazy'
[17:26:59.250]   - Field: 'state'
[17:26:59.250] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:59.250] - Launch lazy future ...
[17:26:59.251] Packages needed by the future expression (n = 0): <none>
[17:26:59.251] Packages needed by future strategies (n = 0): <none>
[17:26:59.252] {
[17:26:59.252]     {
[17:26:59.252]         {
[17:26:59.252]             ...future.startTime <- base::Sys.time()
[17:26:59.252]             {
[17:26:59.252]                 {
[17:26:59.252]                   {
[17:26:59.252]                     base::local({
[17:26:59.252]                       has_future <- base::requireNamespace("future", 
[17:26:59.252]                         quietly = TRUE)
[17:26:59.252]                       if (has_future) {
[17:26:59.252]                         ns <- base::getNamespace("future")
[17:26:59.252]                         version <- ns[[".package"]][["version"]]
[17:26:59.252]                         if (is.null(version)) 
[17:26:59.252]                           version <- utils::packageVersion("future")
[17:26:59.252]                       }
[17:26:59.252]                       else {
[17:26:59.252]                         version <- NULL
[17:26:59.252]                       }
[17:26:59.252]                       if (!has_future || version < "1.8.0") {
[17:26:59.252]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:59.252]                           "", base::R.version$version.string), 
[17:26:59.252]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:59.252]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:59.252]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:59.252]                             "release", "version")], collapse = " "), 
[17:26:59.252]                           hostname = base::Sys.info()[["nodename"]])
[17:26:59.252]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:59.252]                           info)
[17:26:59.252]                         info <- base::paste(info, collapse = "; ")
[17:26:59.252]                         if (!has_future) {
[17:26:59.252]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:59.252]                             info)
[17:26:59.252]                         }
[17:26:59.252]                         else {
[17:26:59.252]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:59.252]                             info, version)
[17:26:59.252]                         }
[17:26:59.252]                         base::stop(msg)
[17:26:59.252]                       }
[17:26:59.252]                     })
[17:26:59.252]                   }
[17:26:59.252]                   ...future.strategy.old <- future::plan("list")
[17:26:59.252]                   options(future.plan = NULL)
[17:26:59.252]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.252]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:59.252]                 }
[17:26:59.252]                 ...future.workdir <- getwd()
[17:26:59.252]             }
[17:26:59.252]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:59.252]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:59.252]         }
[17:26:59.252]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:26:59.252]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:59.252]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:26:59.252]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:26:59.252]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:59.252]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:59.252]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:59.252]             base::names(...future.oldOptions))
[17:26:59.252]     }
[17:26:59.252]     if (FALSE) {
[17:26:59.252]     }
[17:26:59.252]     else {
[17:26:59.252]         if (TRUE) {
[17:26:59.252]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:59.252]                 open = "w")
[17:26:59.252]         }
[17:26:59.252]         else {
[17:26:59.252]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:59.252]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:59.252]         }
[17:26:59.252]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:59.252]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:59.252]             base::sink(type = "output", split = FALSE)
[17:26:59.252]             base::close(...future.stdout)
[17:26:59.252]         }, add = TRUE)
[17:26:59.252]     }
[17:26:59.252]     ...future.frame <- base::sys.nframe()
[17:26:59.252]     ...future.conditions <- base::list()
[17:26:59.252]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:59.252]     if (FALSE) {
[17:26:59.252]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:59.252]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:59.252]     }
[17:26:59.252]     ...future.result <- base::tryCatch({
[17:26:59.252]         base::withCallingHandlers({
[17:26:59.252]             ...future.value <- base::withVisible(base::local({
[17:26:59.252]                 x$a <- 1
[17:26:59.252]                 x
[17:26:59.252]             }))
[17:26:59.252]             future::FutureResult(value = ...future.value$value, 
[17:26:59.252]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.252]                   ...future.rng), globalenv = if (FALSE) 
[17:26:59.252]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:59.252]                     ...future.globalenv.names))
[17:26:59.252]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:59.252]         }, condition = base::local({
[17:26:59.252]             c <- base::c
[17:26:59.252]             inherits <- base::inherits
[17:26:59.252]             invokeRestart <- base::invokeRestart
[17:26:59.252]             length <- base::length
[17:26:59.252]             list <- base::list
[17:26:59.252]             seq.int <- base::seq.int
[17:26:59.252]             signalCondition <- base::signalCondition
[17:26:59.252]             sys.calls <- base::sys.calls
[17:26:59.252]             `[[` <- base::`[[`
[17:26:59.252]             `+` <- base::`+`
[17:26:59.252]             `<<-` <- base::`<<-`
[17:26:59.252]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:59.252]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:59.252]                   3L)]
[17:26:59.252]             }
[17:26:59.252]             function(cond) {
[17:26:59.252]                 is_error <- inherits(cond, "error")
[17:26:59.252]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:59.252]                   NULL)
[17:26:59.252]                 if (is_error) {
[17:26:59.252]                   sessionInformation <- function() {
[17:26:59.252]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:59.252]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:59.252]                       search = base::search(), system = base::Sys.info())
[17:26:59.252]                   }
[17:26:59.252]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.252]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:59.252]                     cond$call), session = sessionInformation(), 
[17:26:59.252]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:59.252]                   signalCondition(cond)
[17:26:59.252]                 }
[17:26:59.252]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:59.252]                 "immediateCondition"))) {
[17:26:59.252]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:59.252]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.252]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:59.252]                   if (TRUE && !signal) {
[17:26:59.252]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.252]                     {
[17:26:59.252]                       inherits <- base::inherits
[17:26:59.252]                       invokeRestart <- base::invokeRestart
[17:26:59.252]                       is.null <- base::is.null
[17:26:59.252]                       muffled <- FALSE
[17:26:59.252]                       if (inherits(cond, "message")) {
[17:26:59.252]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.252]                         if (muffled) 
[17:26:59.252]                           invokeRestart("muffleMessage")
[17:26:59.252]                       }
[17:26:59.252]                       else if (inherits(cond, "warning")) {
[17:26:59.252]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.252]                         if (muffled) 
[17:26:59.252]                           invokeRestart("muffleWarning")
[17:26:59.252]                       }
[17:26:59.252]                       else if (inherits(cond, "condition")) {
[17:26:59.252]                         if (!is.null(pattern)) {
[17:26:59.252]                           computeRestarts <- base::computeRestarts
[17:26:59.252]                           grepl <- base::grepl
[17:26:59.252]                           restarts <- computeRestarts(cond)
[17:26:59.252]                           for (restart in restarts) {
[17:26:59.252]                             name <- restart$name
[17:26:59.252]                             if (is.null(name)) 
[17:26:59.252]                               next
[17:26:59.252]                             if (!grepl(pattern, name)) 
[17:26:59.252]                               next
[17:26:59.252]                             invokeRestart(restart)
[17:26:59.252]                             muffled <- TRUE
[17:26:59.252]                             break
[17:26:59.252]                           }
[17:26:59.252]                         }
[17:26:59.252]                       }
[17:26:59.252]                       invisible(muffled)
[17:26:59.252]                     }
[17:26:59.252]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.252]                   }
[17:26:59.252]                 }
[17:26:59.252]                 else {
[17:26:59.252]                   if (TRUE) {
[17:26:59.252]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.252]                     {
[17:26:59.252]                       inherits <- base::inherits
[17:26:59.252]                       invokeRestart <- base::invokeRestart
[17:26:59.252]                       is.null <- base::is.null
[17:26:59.252]                       muffled <- FALSE
[17:26:59.252]                       if (inherits(cond, "message")) {
[17:26:59.252]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.252]                         if (muffled) 
[17:26:59.252]                           invokeRestart("muffleMessage")
[17:26:59.252]                       }
[17:26:59.252]                       else if (inherits(cond, "warning")) {
[17:26:59.252]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.252]                         if (muffled) 
[17:26:59.252]                           invokeRestart("muffleWarning")
[17:26:59.252]                       }
[17:26:59.252]                       else if (inherits(cond, "condition")) {
[17:26:59.252]                         if (!is.null(pattern)) {
[17:26:59.252]                           computeRestarts <- base::computeRestarts
[17:26:59.252]                           grepl <- base::grepl
[17:26:59.252]                           restarts <- computeRestarts(cond)
[17:26:59.252]                           for (restart in restarts) {
[17:26:59.252]                             name <- restart$name
[17:26:59.252]                             if (is.null(name)) 
[17:26:59.252]                               next
[17:26:59.252]                             if (!grepl(pattern, name)) 
[17:26:59.252]                               next
[17:26:59.252]                             invokeRestart(restart)
[17:26:59.252]                             muffled <- TRUE
[17:26:59.252]                             break
[17:26:59.252]                           }
[17:26:59.252]                         }
[17:26:59.252]                       }
[17:26:59.252]                       invisible(muffled)
[17:26:59.252]                     }
[17:26:59.252]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.252]                   }
[17:26:59.252]                 }
[17:26:59.252]             }
[17:26:59.252]         }))
[17:26:59.252]     }, error = function(ex) {
[17:26:59.252]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:59.252]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.252]                 ...future.rng), started = ...future.startTime, 
[17:26:59.252]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:59.252]             version = "1.8"), class = "FutureResult")
[17:26:59.252]     }, finally = {
[17:26:59.252]         if (!identical(...future.workdir, getwd())) 
[17:26:59.252]             setwd(...future.workdir)
[17:26:59.252]         {
[17:26:59.252]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:59.252]                 ...future.oldOptions$nwarnings <- NULL
[17:26:59.252]             }
[17:26:59.252]             base::options(...future.oldOptions)
[17:26:59.252]             if (.Platform$OS.type == "windows") {
[17:26:59.252]                 old_names <- names(...future.oldEnvVars)
[17:26:59.252]                 envs <- base::Sys.getenv()
[17:26:59.252]                 names <- names(envs)
[17:26:59.252]                 common <- intersect(names, old_names)
[17:26:59.252]                 added <- setdiff(names, old_names)
[17:26:59.252]                 removed <- setdiff(old_names, names)
[17:26:59.252]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:59.252]                   envs[common]]
[17:26:59.252]                 NAMES <- toupper(changed)
[17:26:59.252]                 args <- list()
[17:26:59.252]                 for (kk in seq_along(NAMES)) {
[17:26:59.252]                   name <- changed[[kk]]
[17:26:59.252]                   NAME <- NAMES[[kk]]
[17:26:59.252]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.252]                     next
[17:26:59.252]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.252]                 }
[17:26:59.252]                 NAMES <- toupper(added)
[17:26:59.252]                 for (kk in seq_along(NAMES)) {
[17:26:59.252]                   name <- added[[kk]]
[17:26:59.252]                   NAME <- NAMES[[kk]]
[17:26:59.252]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.252]                     next
[17:26:59.252]                   args[[name]] <- ""
[17:26:59.252]                 }
[17:26:59.252]                 NAMES <- toupper(removed)
[17:26:59.252]                 for (kk in seq_along(NAMES)) {
[17:26:59.252]                   name <- removed[[kk]]
[17:26:59.252]                   NAME <- NAMES[[kk]]
[17:26:59.252]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.252]                     next
[17:26:59.252]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.252]                 }
[17:26:59.252]                 if (length(args) > 0) 
[17:26:59.252]                   base::do.call(base::Sys.setenv, args = args)
[17:26:59.252]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:59.252]             }
[17:26:59.252]             else {
[17:26:59.252]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:59.252]             }
[17:26:59.252]             {
[17:26:59.252]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:59.252]                   0L) {
[17:26:59.252]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:59.252]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:59.252]                   base::options(opts)
[17:26:59.252]                 }
[17:26:59.252]                 {
[17:26:59.252]                   {
[17:26:59.252]                     NULL
[17:26:59.252]                     RNGkind("Mersenne-Twister")
[17:26:59.252]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:59.252]                       inherits = FALSE)
[17:26:59.252]                   }
[17:26:59.252]                   options(future.plan = NULL)
[17:26:59.252]                   if (is.na(NA_character_)) 
[17:26:59.252]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.252]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:59.252]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:59.252]                     .init = FALSE)
[17:26:59.252]                 }
[17:26:59.252]             }
[17:26:59.252]         }
[17:26:59.252]     })
[17:26:59.252]     if (TRUE) {
[17:26:59.252]         base::sink(type = "output", split = FALSE)
[17:26:59.252]         if (TRUE) {
[17:26:59.252]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:59.252]         }
[17:26:59.252]         else {
[17:26:59.252]             ...future.result["stdout"] <- base::list(NULL)
[17:26:59.252]         }
[17:26:59.252]         base::close(...future.stdout)
[17:26:59.252]         ...future.stdout <- NULL
[17:26:59.252]     }
[17:26:59.252]     ...future.result$conditions <- ...future.conditions
[17:26:59.252]     ...future.result$finished <- base::Sys.time()
[17:26:59.252]     ...future.result
[17:26:59.252] }
[17:26:59.256] assign_globals() ...
[17:26:59.257] List of 1
[17:26:59.257]  $ x: list()
[17:26:59.257]  - attr(*, "where")=List of 1
[17:26:59.257]   ..$ x:<environment: R_EmptyEnv> 
[17:26:59.257]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:26:59.257]  - attr(*, "resolved")= logi TRUE
[17:26:59.257]  - attr(*, "total_size")= num 0
[17:26:59.257]  - attr(*, "already-done")= logi TRUE
[17:26:59.259] - copied 'x' to environment
[17:26:59.260] assign_globals() ... done
[17:26:59.260] plan(): Setting new future strategy stack:
[17:26:59.260] List of future strategies:
[17:26:59.260] 1. sequential:
[17:26:59.260]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.260]    - tweaked: FALSE
[17:26:59.260]    - call: NULL
[17:26:59.261] plan(): nbrOfWorkers() = 1
[17:26:59.262] plan(): Setting new future strategy stack:
[17:26:59.262] List of future strategies:
[17:26:59.262] 1. sequential:
[17:26:59.262]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.262]    - tweaked: FALSE
[17:26:59.262]    - call: plan(strategy)
[17:26:59.263] plan(): nbrOfWorkers() = 1
[17:26:59.263] SequentialFuture started (and completed)
[17:26:59.263] - Launch lazy future ... done
[17:26:59.263] run() for 'SequentialFuture' ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:26:59.264] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:26:59.264] Searching for globals...
[17:26:59.266] - globals found: [5] '{', 'x', '<-', '$', '$<-'
[17:26:59.267] Searching for globals ... DONE
[17:26:59.267] Resolving globals: TRUE
[17:26:59.267] Resolving any globals that are futures ...
[17:26:59.267] - globals: [5] '{', 'x', '<-', '$', '$<-'
[17:26:59.267] Resolving any globals that are futures ... DONE
[17:26:59.268] Resolving futures part of globals (recursively) ...
[17:26:59.268] resolve() on list ...
[17:26:59.268]  recursive: 99
[17:26:59.268]  length: 1
[17:26:59.269]  elements: 'x'
[17:26:59.269]  length: 0 (resolved future 1)
[17:26:59.269] resolve() on list ... DONE
[17:26:59.269] - globals: [1] 'x'
[17:26:59.269] Resolving futures part of globals (recursively) ... DONE
[17:26:59.269] The total size of the 1 globals is 0 bytes (0 bytes)
[17:26:59.271] The total size of the 1 globals exported for future expression ('{; x$a <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:26:59.271] - globals: [1] 'x'
[17:26:59.271] 
[17:26:59.271] getGlobalsAndPackages() ... DONE
[17:26:59.272] run() for 'Future' ...
[17:26:59.272] - state: 'created'
[17:26:59.272] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:59.272] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:59.273] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:59.273]   - Field: 'label'
[17:26:59.273]   - Field: 'local'
[17:26:59.273]   - Field: 'owner'
[17:26:59.273]   - Field: 'envir'
[17:26:59.273]   - Field: 'packages'
[17:26:59.274]   - Field: 'gc'
[17:26:59.274]   - Field: 'conditions'
[17:26:59.274]   - Field: 'expr'
[17:26:59.274]   - Field: 'uuid'
[17:26:59.274]   - Field: 'seed'
[17:26:59.274]   - Field: 'version'
[17:26:59.275]   - Field: 'result'
[17:26:59.275]   - Field: 'asynchronous'
[17:26:59.275]   - Field: 'calls'
[17:26:59.275]   - Field: 'globals'
[17:26:59.275]   - Field: 'stdout'
[17:26:59.275]   - Field: 'earlySignal'
[17:26:59.276]   - Field: 'lazy'
[17:26:59.276]   - Field: 'state'
[17:26:59.276] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:59.276] - Launch lazy future ...
[17:26:59.276] Packages needed by the future expression (n = 0): <none>
[17:26:59.277] Packages needed by future strategies (n = 0): <none>
[17:26:59.277] {
[17:26:59.277]     {
[17:26:59.277]         {
[17:26:59.277]             ...future.startTime <- base::Sys.time()
[17:26:59.277]             {
[17:26:59.277]                 {
[17:26:59.277]                   {
[17:26:59.277]                     base::local({
[17:26:59.277]                       has_future <- base::requireNamespace("future", 
[17:26:59.277]                         quietly = TRUE)
[17:26:59.277]                       if (has_future) {
[17:26:59.277]                         ns <- base::getNamespace("future")
[17:26:59.277]                         version <- ns[[".package"]][["version"]]
[17:26:59.277]                         if (is.null(version)) 
[17:26:59.277]                           version <- utils::packageVersion("future")
[17:26:59.277]                       }
[17:26:59.277]                       else {
[17:26:59.277]                         version <- NULL
[17:26:59.277]                       }
[17:26:59.277]                       if (!has_future || version < "1.8.0") {
[17:26:59.277]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:59.277]                           "", base::R.version$version.string), 
[17:26:59.277]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:59.277]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:59.277]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:59.277]                             "release", "version")], collapse = " "), 
[17:26:59.277]                           hostname = base::Sys.info()[["nodename"]])
[17:26:59.277]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:59.277]                           info)
[17:26:59.277]                         info <- base::paste(info, collapse = "; ")
[17:26:59.277]                         if (!has_future) {
[17:26:59.277]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:59.277]                             info)
[17:26:59.277]                         }
[17:26:59.277]                         else {
[17:26:59.277]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:59.277]                             info, version)
[17:26:59.277]                         }
[17:26:59.277]                         base::stop(msg)
[17:26:59.277]                       }
[17:26:59.277]                     })
[17:26:59.277]                   }
[17:26:59.277]                   ...future.strategy.old <- future::plan("list")
[17:26:59.277]                   options(future.plan = NULL)
[17:26:59.277]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.277]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:59.277]                 }
[17:26:59.277]                 ...future.workdir <- getwd()
[17:26:59.277]             }
[17:26:59.277]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:59.277]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:59.277]         }
[17:26:59.277]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:26:59.277]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:59.277]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:26:59.277]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:26:59.277]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:59.277]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:59.277]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:59.277]             base::names(...future.oldOptions))
[17:26:59.277]     }
[17:26:59.277]     if (FALSE) {
[17:26:59.277]     }
[17:26:59.277]     else {
[17:26:59.277]         if (TRUE) {
[17:26:59.277]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:59.277]                 open = "w")
[17:26:59.277]         }
[17:26:59.277]         else {
[17:26:59.277]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:59.277]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:59.277]         }
[17:26:59.277]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:59.277]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:59.277]             base::sink(type = "output", split = FALSE)
[17:26:59.277]             base::close(...future.stdout)
[17:26:59.277]         }, add = TRUE)
[17:26:59.277]     }
[17:26:59.277]     ...future.frame <- base::sys.nframe()
[17:26:59.277]     ...future.conditions <- base::list()
[17:26:59.277]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:59.277]     if (FALSE) {
[17:26:59.277]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:59.277]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:59.277]     }
[17:26:59.277]     ...future.result <- base::tryCatch({
[17:26:59.277]         base::withCallingHandlers({
[17:26:59.277]             ...future.value <- base::withVisible(base::local({
[17:26:59.277]                 x$a <- 1
[17:26:59.277]                 x
[17:26:59.277]             }))
[17:26:59.277]             future::FutureResult(value = ...future.value$value, 
[17:26:59.277]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.277]                   ...future.rng), globalenv = if (FALSE) 
[17:26:59.277]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:59.277]                     ...future.globalenv.names))
[17:26:59.277]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:59.277]         }, condition = base::local({
[17:26:59.277]             c <- base::c
[17:26:59.277]             inherits <- base::inherits
[17:26:59.277]             invokeRestart <- base::invokeRestart
[17:26:59.277]             length <- base::length
[17:26:59.277]             list <- base::list
[17:26:59.277]             seq.int <- base::seq.int
[17:26:59.277]             signalCondition <- base::signalCondition
[17:26:59.277]             sys.calls <- base::sys.calls
[17:26:59.277]             `[[` <- base::`[[`
[17:26:59.277]             `+` <- base::`+`
[17:26:59.277]             `<<-` <- base::`<<-`
[17:26:59.277]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:59.277]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:59.277]                   3L)]
[17:26:59.277]             }
[17:26:59.277]             function(cond) {
[17:26:59.277]                 is_error <- inherits(cond, "error")
[17:26:59.277]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:59.277]                   NULL)
[17:26:59.277]                 if (is_error) {
[17:26:59.277]                   sessionInformation <- function() {
[17:26:59.277]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:59.277]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:59.277]                       search = base::search(), system = base::Sys.info())
[17:26:59.277]                   }
[17:26:59.277]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.277]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:59.277]                     cond$call), session = sessionInformation(), 
[17:26:59.277]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:59.277]                   signalCondition(cond)
[17:26:59.277]                 }
[17:26:59.277]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:59.277]                 "immediateCondition"))) {
[17:26:59.277]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:59.277]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.277]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:59.277]                   if (TRUE && !signal) {
[17:26:59.277]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.277]                     {
[17:26:59.277]                       inherits <- base::inherits
[17:26:59.277]                       invokeRestart <- base::invokeRestart
[17:26:59.277]                       is.null <- base::is.null
[17:26:59.277]                       muffled <- FALSE
[17:26:59.277]                       if (inherits(cond, "message")) {
[17:26:59.277]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.277]                         if (muffled) 
[17:26:59.277]                           invokeRestart("muffleMessage")
[17:26:59.277]                       }
[17:26:59.277]                       else if (inherits(cond, "warning")) {
[17:26:59.277]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.277]                         if (muffled) 
[17:26:59.277]                           invokeRestart("muffleWarning")
[17:26:59.277]                       }
[17:26:59.277]                       else if (inherits(cond, "condition")) {
[17:26:59.277]                         if (!is.null(pattern)) {
[17:26:59.277]                           computeRestarts <- base::computeRestarts
[17:26:59.277]                           grepl <- base::grepl
[17:26:59.277]                           restarts <- computeRestarts(cond)
[17:26:59.277]                           for (restart in restarts) {
[17:26:59.277]                             name <- restart$name
[17:26:59.277]                             if (is.null(name)) 
[17:26:59.277]                               next
[17:26:59.277]                             if (!grepl(pattern, name)) 
[17:26:59.277]                               next
[17:26:59.277]                             invokeRestart(restart)
[17:26:59.277]                             muffled <- TRUE
[17:26:59.277]                             break
[17:26:59.277]                           }
[17:26:59.277]                         }
[17:26:59.277]                       }
[17:26:59.277]                       invisible(muffled)
[17:26:59.277]                     }
[17:26:59.277]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.277]                   }
[17:26:59.277]                 }
[17:26:59.277]                 else {
[17:26:59.277]                   if (TRUE) {
[17:26:59.277]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.277]                     {
[17:26:59.277]                       inherits <- base::inherits
[17:26:59.277]                       invokeRestart <- base::invokeRestart
[17:26:59.277]                       is.null <- base::is.null
[17:26:59.277]                       muffled <- FALSE
[17:26:59.277]                       if (inherits(cond, "message")) {
[17:26:59.277]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.277]                         if (muffled) 
[17:26:59.277]                           invokeRestart("muffleMessage")
[17:26:59.277]                       }
[17:26:59.277]                       else if (inherits(cond, "warning")) {
[17:26:59.277]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.277]                         if (muffled) 
[17:26:59.277]                           invokeRestart("muffleWarning")
[17:26:59.277]                       }
[17:26:59.277]                       else if (inherits(cond, "condition")) {
[17:26:59.277]                         if (!is.null(pattern)) {
[17:26:59.277]                           computeRestarts <- base::computeRestarts
[17:26:59.277]                           grepl <- base::grepl
[17:26:59.277]                           restarts <- computeRestarts(cond)
[17:26:59.277]                           for (restart in restarts) {
[17:26:59.277]                             name <- restart$name
[17:26:59.277]                             if (is.null(name)) 
[17:26:59.277]                               next
[17:26:59.277]                             if (!grepl(pattern, name)) 
[17:26:59.277]                               next
[17:26:59.277]                             invokeRestart(restart)
[17:26:59.277]                             muffled <- TRUE
[17:26:59.277]                             break
[17:26:59.277]                           }
[17:26:59.277]                         }
[17:26:59.277]                       }
[17:26:59.277]                       invisible(muffled)
[17:26:59.277]                     }
[17:26:59.277]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.277]                   }
[17:26:59.277]                 }
[17:26:59.277]             }
[17:26:59.277]         }))
[17:26:59.277]     }, error = function(ex) {
[17:26:59.277]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:59.277]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.277]                 ...future.rng), started = ...future.startTime, 
[17:26:59.277]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:59.277]             version = "1.8"), class = "FutureResult")
[17:26:59.277]     }, finally = {
[17:26:59.277]         if (!identical(...future.workdir, getwd())) 
[17:26:59.277]             setwd(...future.workdir)
[17:26:59.277]         {
[17:26:59.277]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:59.277]                 ...future.oldOptions$nwarnings <- NULL
[17:26:59.277]             }
[17:26:59.277]             base::options(...future.oldOptions)
[17:26:59.277]             if (.Platform$OS.type == "windows") {
[17:26:59.277]                 old_names <- names(...future.oldEnvVars)
[17:26:59.277]                 envs <- base::Sys.getenv()
[17:26:59.277]                 names <- names(envs)
[17:26:59.277]                 common <- intersect(names, old_names)
[17:26:59.277]                 added <- setdiff(names, old_names)
[17:26:59.277]                 removed <- setdiff(old_names, names)
[17:26:59.277]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:59.277]                   envs[common]]
[17:26:59.277]                 NAMES <- toupper(changed)
[17:26:59.277]                 args <- list()
[17:26:59.277]                 for (kk in seq_along(NAMES)) {
[17:26:59.277]                   name <- changed[[kk]]
[17:26:59.277]                   NAME <- NAMES[[kk]]
[17:26:59.277]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.277]                     next
[17:26:59.277]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.277]                 }
[17:26:59.277]                 NAMES <- toupper(added)
[17:26:59.277]                 for (kk in seq_along(NAMES)) {
[17:26:59.277]                   name <- added[[kk]]
[17:26:59.277]                   NAME <- NAMES[[kk]]
[17:26:59.277]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.277]                     next
[17:26:59.277]                   args[[name]] <- ""
[17:26:59.277]                 }
[17:26:59.277]                 NAMES <- toupper(removed)
[17:26:59.277]                 for (kk in seq_along(NAMES)) {
[17:26:59.277]                   name <- removed[[kk]]
[17:26:59.277]                   NAME <- NAMES[[kk]]
[17:26:59.277]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.277]                     next
[17:26:59.277]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.277]                 }
[17:26:59.277]                 if (length(args) > 0) 
[17:26:59.277]                   base::do.call(base::Sys.setenv, args = args)
[17:26:59.277]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:59.277]             }
[17:26:59.277]             else {
[17:26:59.277]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:59.277]             }
[17:26:59.277]             {
[17:26:59.277]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:59.277]                   0L) {
[17:26:59.277]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:59.277]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:59.277]                   base::options(opts)
[17:26:59.277]                 }
[17:26:59.277]                 {
[17:26:59.277]                   {
[17:26:59.277]                     NULL
[17:26:59.277]                     RNGkind("Mersenne-Twister")
[17:26:59.277]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:59.277]                       inherits = FALSE)
[17:26:59.277]                   }
[17:26:59.277]                   options(future.plan = NULL)
[17:26:59.277]                   if (is.na(NA_character_)) 
[17:26:59.277]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.277]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:59.277]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:59.277]                     .init = FALSE)
[17:26:59.277]                 }
[17:26:59.277]             }
[17:26:59.277]         }
[17:26:59.277]     })
[17:26:59.277]     if (TRUE) {
[17:26:59.277]         base::sink(type = "output", split = FALSE)
[17:26:59.277]         if (TRUE) {
[17:26:59.277]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:59.277]         }
[17:26:59.277]         else {
[17:26:59.277]             ...future.result["stdout"] <- base::list(NULL)
[17:26:59.277]         }
[17:26:59.277]         base::close(...future.stdout)
[17:26:59.277]         ...future.stdout <- NULL
[17:26:59.277]     }
[17:26:59.277]     ...future.result$conditions <- ...future.conditions
[17:26:59.277]     ...future.result$finished <- base::Sys.time()
[17:26:59.277]     ...future.result
[17:26:59.277] }
[17:26:59.281] assign_globals() ...
[17:26:59.281] List of 1
[17:26:59.281]  $ x: list()
[17:26:59.281]  - attr(*, "where")=List of 1
[17:26:59.281]   ..$ x:<environment: R_EmptyEnv> 
[17:26:59.281]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:26:59.281]  - attr(*, "resolved")= logi TRUE
[17:26:59.281]  - attr(*, "total_size")= num 0
[17:26:59.281]  - attr(*, "already-done")= logi TRUE
[17:26:59.284] - copied 'x' to environment
[17:26:59.284] assign_globals() ... done
[17:26:59.284] plan(): Setting new future strategy stack:
[17:26:59.284] List of future strategies:
[17:26:59.284] 1. sequential:
[17:26:59.284]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.284]    - tweaked: FALSE
[17:26:59.284]    - call: NULL
[17:26:59.285] plan(): nbrOfWorkers() = 1
[17:26:59.286] plan(): Setting new future strategy stack:
[17:26:59.286] List of future strategies:
[17:26:59.286] 1. sequential:
[17:26:59.286]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.286]    - tweaked: FALSE
[17:26:59.286]    - call: plan(strategy)
[17:26:59.287] plan(): nbrOfWorkers() = 1
[17:26:59.287] SequentialFuture started (and completed)
[17:26:59.287] - Launch lazy future ... done
[17:26:59.287] run() for 'SequentialFuture' ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:26:59.288] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:26:59.288] Searching for globals...
[17:26:59.291] - globals found: [5] '{', '<-', 'list', '$', '$<-'
[17:26:59.291] Searching for globals ... DONE
[17:26:59.292] Resolving globals: TRUE
[17:26:59.292] Resolving any globals that are futures ...
[17:26:59.292] - globals: [5] '{', '<-', 'list', '$', '$<-'
[17:26:59.292] Resolving any globals that are futures ... DONE
[17:26:59.293] 
[17:26:59.293] 
[17:26:59.293] getGlobalsAndPackages() ... DONE
[17:26:59.293] run() for 'Future' ...
[17:26:59.293] - state: 'created'
[17:26:59.294] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:59.294] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:59.294] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:59.294]   - Field: 'label'
[17:26:59.295]   - Field: 'local'
[17:26:59.295]   - Field: 'owner'
[17:26:59.295]   - Field: 'envir'
[17:26:59.295]   - Field: 'packages'
[17:26:59.295]   - Field: 'gc'
[17:26:59.295]   - Field: 'conditions'
[17:26:59.296]   - Field: 'expr'
[17:26:59.296]   - Field: 'uuid'
[17:26:59.296]   - Field: 'seed'
[17:26:59.296]   - Field: 'version'
[17:26:59.296]   - Field: 'result'
[17:26:59.296]   - Field: 'asynchronous'
[17:26:59.297]   - Field: 'calls'
[17:26:59.297]   - Field: 'globals'
[17:26:59.297]   - Field: 'stdout'
[17:26:59.297]   - Field: 'earlySignal'
[17:26:59.297]   - Field: 'lazy'
[17:26:59.297]   - Field: 'state'
[17:26:59.298] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:59.298] - Launch lazy future ...
[17:26:59.298] Packages needed by the future expression (n = 0): <none>
[17:26:59.298] Packages needed by future strategies (n = 0): <none>
[17:26:59.299] {
[17:26:59.299]     {
[17:26:59.299]         {
[17:26:59.299]             ...future.startTime <- base::Sys.time()
[17:26:59.299]             {
[17:26:59.299]                 {
[17:26:59.299]                   {
[17:26:59.299]                     base::local({
[17:26:59.299]                       has_future <- base::requireNamespace("future", 
[17:26:59.299]                         quietly = TRUE)
[17:26:59.299]                       if (has_future) {
[17:26:59.299]                         ns <- base::getNamespace("future")
[17:26:59.299]                         version <- ns[[".package"]][["version"]]
[17:26:59.299]                         if (is.null(version)) 
[17:26:59.299]                           version <- utils::packageVersion("future")
[17:26:59.299]                       }
[17:26:59.299]                       else {
[17:26:59.299]                         version <- NULL
[17:26:59.299]                       }
[17:26:59.299]                       if (!has_future || version < "1.8.0") {
[17:26:59.299]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:59.299]                           "", base::R.version$version.string), 
[17:26:59.299]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:59.299]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:59.299]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:59.299]                             "release", "version")], collapse = " "), 
[17:26:59.299]                           hostname = base::Sys.info()[["nodename"]])
[17:26:59.299]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:59.299]                           info)
[17:26:59.299]                         info <- base::paste(info, collapse = "; ")
[17:26:59.299]                         if (!has_future) {
[17:26:59.299]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:59.299]                             info)
[17:26:59.299]                         }
[17:26:59.299]                         else {
[17:26:59.299]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:59.299]                             info, version)
[17:26:59.299]                         }
[17:26:59.299]                         base::stop(msg)
[17:26:59.299]                       }
[17:26:59.299]                     })
[17:26:59.299]                   }
[17:26:59.299]                   ...future.strategy.old <- future::plan("list")
[17:26:59.299]                   options(future.plan = NULL)
[17:26:59.299]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.299]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:59.299]                 }
[17:26:59.299]                 ...future.workdir <- getwd()
[17:26:59.299]             }
[17:26:59.299]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:59.299]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:59.299]         }
[17:26:59.299]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:26:59.299]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:59.299]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:26:59.299]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:26:59.299]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:59.299]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:59.299]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:59.299]             base::names(...future.oldOptions))
[17:26:59.299]     }
[17:26:59.299]     if (FALSE) {
[17:26:59.299]     }
[17:26:59.299]     else {
[17:26:59.299]         if (TRUE) {
[17:26:59.299]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:59.299]                 open = "w")
[17:26:59.299]         }
[17:26:59.299]         else {
[17:26:59.299]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:59.299]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:59.299]         }
[17:26:59.299]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:59.299]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:59.299]             base::sink(type = "output", split = FALSE)
[17:26:59.299]             base::close(...future.stdout)
[17:26:59.299]         }, add = TRUE)
[17:26:59.299]     }
[17:26:59.299]     ...future.frame <- base::sys.nframe()
[17:26:59.299]     ...future.conditions <- base::list()
[17:26:59.299]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:59.299]     if (FALSE) {
[17:26:59.299]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:59.299]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:59.299]     }
[17:26:59.299]     ...future.result <- base::tryCatch({
[17:26:59.299]         base::withCallingHandlers({
[17:26:59.299]             ...future.value <- base::withVisible(base::local({
[17:26:59.299]                 x <- list(b = 2)
[17:26:59.299]                 x$a <- 1
[17:26:59.299]                 x
[17:26:59.299]             }))
[17:26:59.299]             future::FutureResult(value = ...future.value$value, 
[17:26:59.299]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.299]                   ...future.rng), globalenv = if (FALSE) 
[17:26:59.299]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:59.299]                     ...future.globalenv.names))
[17:26:59.299]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:59.299]         }, condition = base::local({
[17:26:59.299]             c <- base::c
[17:26:59.299]             inherits <- base::inherits
[17:26:59.299]             invokeRestart <- base::invokeRestart
[17:26:59.299]             length <- base::length
[17:26:59.299]             list <- base::list
[17:26:59.299]             seq.int <- base::seq.int
[17:26:59.299]             signalCondition <- base::signalCondition
[17:26:59.299]             sys.calls <- base::sys.calls
[17:26:59.299]             `[[` <- base::`[[`
[17:26:59.299]             `+` <- base::`+`
[17:26:59.299]             `<<-` <- base::`<<-`
[17:26:59.299]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:59.299]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:59.299]                   3L)]
[17:26:59.299]             }
[17:26:59.299]             function(cond) {
[17:26:59.299]                 is_error <- inherits(cond, "error")
[17:26:59.299]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:59.299]                   NULL)
[17:26:59.299]                 if (is_error) {
[17:26:59.299]                   sessionInformation <- function() {
[17:26:59.299]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:59.299]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:59.299]                       search = base::search(), system = base::Sys.info())
[17:26:59.299]                   }
[17:26:59.299]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.299]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:59.299]                     cond$call), session = sessionInformation(), 
[17:26:59.299]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:59.299]                   signalCondition(cond)
[17:26:59.299]                 }
[17:26:59.299]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:59.299]                 "immediateCondition"))) {
[17:26:59.299]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:59.299]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.299]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:59.299]                   if (TRUE && !signal) {
[17:26:59.299]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.299]                     {
[17:26:59.299]                       inherits <- base::inherits
[17:26:59.299]                       invokeRestart <- base::invokeRestart
[17:26:59.299]                       is.null <- base::is.null
[17:26:59.299]                       muffled <- FALSE
[17:26:59.299]                       if (inherits(cond, "message")) {
[17:26:59.299]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.299]                         if (muffled) 
[17:26:59.299]                           invokeRestart("muffleMessage")
[17:26:59.299]                       }
[17:26:59.299]                       else if (inherits(cond, "warning")) {
[17:26:59.299]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.299]                         if (muffled) 
[17:26:59.299]                           invokeRestart("muffleWarning")
[17:26:59.299]                       }
[17:26:59.299]                       else if (inherits(cond, "condition")) {
[17:26:59.299]                         if (!is.null(pattern)) {
[17:26:59.299]                           computeRestarts <- base::computeRestarts
[17:26:59.299]                           grepl <- base::grepl
[17:26:59.299]                           restarts <- computeRestarts(cond)
[17:26:59.299]                           for (restart in restarts) {
[17:26:59.299]                             name <- restart$name
[17:26:59.299]                             if (is.null(name)) 
[17:26:59.299]                               next
[17:26:59.299]                             if (!grepl(pattern, name)) 
[17:26:59.299]                               next
[17:26:59.299]                             invokeRestart(restart)
[17:26:59.299]                             muffled <- TRUE
[17:26:59.299]                             break
[17:26:59.299]                           }
[17:26:59.299]                         }
[17:26:59.299]                       }
[17:26:59.299]                       invisible(muffled)
[17:26:59.299]                     }
[17:26:59.299]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.299]                   }
[17:26:59.299]                 }
[17:26:59.299]                 else {
[17:26:59.299]                   if (TRUE) {
[17:26:59.299]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.299]                     {
[17:26:59.299]                       inherits <- base::inherits
[17:26:59.299]                       invokeRestart <- base::invokeRestart
[17:26:59.299]                       is.null <- base::is.null
[17:26:59.299]                       muffled <- FALSE
[17:26:59.299]                       if (inherits(cond, "message")) {
[17:26:59.299]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.299]                         if (muffled) 
[17:26:59.299]                           invokeRestart("muffleMessage")
[17:26:59.299]                       }
[17:26:59.299]                       else if (inherits(cond, "warning")) {
[17:26:59.299]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.299]                         if (muffled) 
[17:26:59.299]                           invokeRestart("muffleWarning")
[17:26:59.299]                       }
[17:26:59.299]                       else if (inherits(cond, "condition")) {
[17:26:59.299]                         if (!is.null(pattern)) {
[17:26:59.299]                           computeRestarts <- base::computeRestarts
[17:26:59.299]                           grepl <- base::grepl
[17:26:59.299]                           restarts <- computeRestarts(cond)
[17:26:59.299]                           for (restart in restarts) {
[17:26:59.299]                             name <- restart$name
[17:26:59.299]                             if (is.null(name)) 
[17:26:59.299]                               next
[17:26:59.299]                             if (!grepl(pattern, name)) 
[17:26:59.299]                               next
[17:26:59.299]                             invokeRestart(restart)
[17:26:59.299]                             muffled <- TRUE
[17:26:59.299]                             break
[17:26:59.299]                           }
[17:26:59.299]                         }
[17:26:59.299]                       }
[17:26:59.299]                       invisible(muffled)
[17:26:59.299]                     }
[17:26:59.299]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.299]                   }
[17:26:59.299]                 }
[17:26:59.299]             }
[17:26:59.299]         }))
[17:26:59.299]     }, error = function(ex) {
[17:26:59.299]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:59.299]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.299]                 ...future.rng), started = ...future.startTime, 
[17:26:59.299]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:59.299]             version = "1.8"), class = "FutureResult")
[17:26:59.299]     }, finally = {
[17:26:59.299]         if (!identical(...future.workdir, getwd())) 
[17:26:59.299]             setwd(...future.workdir)
[17:26:59.299]         {
[17:26:59.299]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:59.299]                 ...future.oldOptions$nwarnings <- NULL
[17:26:59.299]             }
[17:26:59.299]             base::options(...future.oldOptions)
[17:26:59.299]             if (.Platform$OS.type == "windows") {
[17:26:59.299]                 old_names <- names(...future.oldEnvVars)
[17:26:59.299]                 envs <- base::Sys.getenv()
[17:26:59.299]                 names <- names(envs)
[17:26:59.299]                 common <- intersect(names, old_names)
[17:26:59.299]                 added <- setdiff(names, old_names)
[17:26:59.299]                 removed <- setdiff(old_names, names)
[17:26:59.299]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:59.299]                   envs[common]]
[17:26:59.299]                 NAMES <- toupper(changed)
[17:26:59.299]                 args <- list()
[17:26:59.299]                 for (kk in seq_along(NAMES)) {
[17:26:59.299]                   name <- changed[[kk]]
[17:26:59.299]                   NAME <- NAMES[[kk]]
[17:26:59.299]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.299]                     next
[17:26:59.299]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.299]                 }
[17:26:59.299]                 NAMES <- toupper(added)
[17:26:59.299]                 for (kk in seq_along(NAMES)) {
[17:26:59.299]                   name <- added[[kk]]
[17:26:59.299]                   NAME <- NAMES[[kk]]
[17:26:59.299]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.299]                     next
[17:26:59.299]                   args[[name]] <- ""
[17:26:59.299]                 }
[17:26:59.299]                 NAMES <- toupper(removed)
[17:26:59.299]                 for (kk in seq_along(NAMES)) {
[17:26:59.299]                   name <- removed[[kk]]
[17:26:59.299]                   NAME <- NAMES[[kk]]
[17:26:59.299]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.299]                     next
[17:26:59.299]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.299]                 }
[17:26:59.299]                 if (length(args) > 0) 
[17:26:59.299]                   base::do.call(base::Sys.setenv, args = args)
[17:26:59.299]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:59.299]             }
[17:26:59.299]             else {
[17:26:59.299]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:59.299]             }
[17:26:59.299]             {
[17:26:59.299]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:59.299]                   0L) {
[17:26:59.299]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:59.299]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:59.299]                   base::options(opts)
[17:26:59.299]                 }
[17:26:59.299]                 {
[17:26:59.299]                   {
[17:26:59.299]                     NULL
[17:26:59.299]                     RNGkind("Mersenne-Twister")
[17:26:59.299]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:59.299]                       inherits = FALSE)
[17:26:59.299]                   }
[17:26:59.299]                   options(future.plan = NULL)
[17:26:59.299]                   if (is.na(NA_character_)) 
[17:26:59.299]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.299]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:59.299]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:59.299]                     .init = FALSE)
[17:26:59.299]                 }
[17:26:59.299]             }
[17:26:59.299]         }
[17:26:59.299]     })
[17:26:59.299]     if (TRUE) {
[17:26:59.299]         base::sink(type = "output", split = FALSE)
[17:26:59.299]         if (TRUE) {
[17:26:59.299]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:59.299]         }
[17:26:59.299]         else {
[17:26:59.299]             ...future.result["stdout"] <- base::list(NULL)
[17:26:59.299]         }
[17:26:59.299]         base::close(...future.stdout)
[17:26:59.299]         ...future.stdout <- NULL
[17:26:59.299]     }
[17:26:59.299]     ...future.result$conditions <- ...future.conditions
[17:26:59.299]     ...future.result$finished <- base::Sys.time()
[17:26:59.299]     ...future.result
[17:26:59.299] }
[17:26:59.303] plan(): Setting new future strategy stack:
[17:26:59.303] List of future strategies:
[17:26:59.303] 1. sequential:
[17:26:59.303]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.303]    - tweaked: FALSE
[17:26:59.303]    - call: NULL
[17:26:59.303] plan(): nbrOfWorkers() = 1
[17:26:59.305] plan(): Setting new future strategy stack:
[17:26:59.305] List of future strategies:
[17:26:59.305] 1. sequential:
[17:26:59.305]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.305]    - tweaked: FALSE
[17:26:59.305]    - call: plan(strategy)
[17:26:59.306] plan(): nbrOfWorkers() = 1
[17:26:59.306] SequentialFuture started (and completed)
[17:26:59.307] - Launch lazy future ... done
[17:26:59.307] run() for 'SequentialFuture' ... done
$b
[1] 2

$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:26:59.307] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:26:59.308] Searching for globals...
[17:26:59.310] - globals found: [5] '{', 'x', '<-', '[[', '[[<-'
[17:26:59.310] Searching for globals ... DONE
[17:26:59.310] Resolving globals: TRUE
[17:26:59.311] Resolving any globals that are futures ...
[17:26:59.311] - globals: [5] '{', 'x', '<-', '[[', '[[<-'
[17:26:59.311] Resolving any globals that are futures ... DONE
[17:26:59.311] Resolving futures part of globals (recursively) ...
[17:26:59.312] resolve() on list ...
[17:26:59.312]  recursive: 99
[17:26:59.312]  length: 1
[17:26:59.312]  elements: 'x'
[17:26:59.312]  length: 0 (resolved future 1)
[17:26:59.312] resolve() on list ... DONE
[17:26:59.313] - globals: [1] 'x'
[17:26:59.313] Resolving futures part of globals (recursively) ... DONE
[17:26:59.313] The total size of the 1 globals is 0 bytes (0 bytes)
[17:26:59.313] The total size of the 1 globals exported for future expression ('{; x[["a"]] <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:26:59.314] - globals: [1] 'x'
[17:26:59.314] 
[17:26:59.314] getGlobalsAndPackages() ... DONE
[17:26:59.314] run() for 'Future' ...
[17:26:59.314] - state: 'created'
[17:26:59.315] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:59.315] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:59.315] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:59.315]   - Field: 'label'
[17:26:59.315]   - Field: 'local'
[17:26:59.316]   - Field: 'owner'
[17:26:59.316]   - Field: 'envir'
[17:26:59.316]   - Field: 'packages'
[17:26:59.316]   - Field: 'gc'
[17:26:59.316]   - Field: 'conditions'
[17:26:59.317]   - Field: 'expr'
[17:26:59.317]   - Field: 'uuid'
[17:26:59.317]   - Field: 'seed'
[17:26:59.317]   - Field: 'version'
[17:26:59.317]   - Field: 'result'
[17:26:59.317]   - Field: 'asynchronous'
[17:26:59.318]   - Field: 'calls'
[17:26:59.318]   - Field: 'globals'
[17:26:59.318]   - Field: 'stdout'
[17:26:59.318]   - Field: 'earlySignal'
[17:26:59.318]   - Field: 'lazy'
[17:26:59.318]   - Field: 'state'
[17:26:59.319] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:59.319] - Launch lazy future ...
[17:26:59.319] Packages needed by the future expression (n = 0): <none>
[17:26:59.319] Packages needed by future strategies (n = 0): <none>
[17:26:59.320] {
[17:26:59.320]     {
[17:26:59.320]         {
[17:26:59.320]             ...future.startTime <- base::Sys.time()
[17:26:59.320]             {
[17:26:59.320]                 {
[17:26:59.320]                   {
[17:26:59.320]                     base::local({
[17:26:59.320]                       has_future <- base::requireNamespace("future", 
[17:26:59.320]                         quietly = TRUE)
[17:26:59.320]                       if (has_future) {
[17:26:59.320]                         ns <- base::getNamespace("future")
[17:26:59.320]                         version <- ns[[".package"]][["version"]]
[17:26:59.320]                         if (is.null(version)) 
[17:26:59.320]                           version <- utils::packageVersion("future")
[17:26:59.320]                       }
[17:26:59.320]                       else {
[17:26:59.320]                         version <- NULL
[17:26:59.320]                       }
[17:26:59.320]                       if (!has_future || version < "1.8.0") {
[17:26:59.320]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:59.320]                           "", base::R.version$version.string), 
[17:26:59.320]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:59.320]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:59.320]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:59.320]                             "release", "version")], collapse = " "), 
[17:26:59.320]                           hostname = base::Sys.info()[["nodename"]])
[17:26:59.320]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:59.320]                           info)
[17:26:59.320]                         info <- base::paste(info, collapse = "; ")
[17:26:59.320]                         if (!has_future) {
[17:26:59.320]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:59.320]                             info)
[17:26:59.320]                         }
[17:26:59.320]                         else {
[17:26:59.320]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:59.320]                             info, version)
[17:26:59.320]                         }
[17:26:59.320]                         base::stop(msg)
[17:26:59.320]                       }
[17:26:59.320]                     })
[17:26:59.320]                   }
[17:26:59.320]                   ...future.strategy.old <- future::plan("list")
[17:26:59.320]                   options(future.plan = NULL)
[17:26:59.320]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.320]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:59.320]                 }
[17:26:59.320]                 ...future.workdir <- getwd()
[17:26:59.320]             }
[17:26:59.320]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:59.320]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:59.320]         }
[17:26:59.320]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:26:59.320]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:59.320]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:26:59.320]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:26:59.320]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:59.320]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:59.320]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:59.320]             base::names(...future.oldOptions))
[17:26:59.320]     }
[17:26:59.320]     if (FALSE) {
[17:26:59.320]     }
[17:26:59.320]     else {
[17:26:59.320]         if (TRUE) {
[17:26:59.320]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:59.320]                 open = "w")
[17:26:59.320]         }
[17:26:59.320]         else {
[17:26:59.320]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:59.320]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:59.320]         }
[17:26:59.320]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:59.320]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:59.320]             base::sink(type = "output", split = FALSE)
[17:26:59.320]             base::close(...future.stdout)
[17:26:59.320]         }, add = TRUE)
[17:26:59.320]     }
[17:26:59.320]     ...future.frame <- base::sys.nframe()
[17:26:59.320]     ...future.conditions <- base::list()
[17:26:59.320]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:59.320]     if (FALSE) {
[17:26:59.320]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:59.320]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:59.320]     }
[17:26:59.320]     ...future.result <- base::tryCatch({
[17:26:59.320]         base::withCallingHandlers({
[17:26:59.320]             ...future.value <- base::withVisible(base::local({
[17:26:59.320]                 x[["a"]] <- 1
[17:26:59.320]                 x
[17:26:59.320]             }))
[17:26:59.320]             future::FutureResult(value = ...future.value$value, 
[17:26:59.320]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.320]                   ...future.rng), globalenv = if (FALSE) 
[17:26:59.320]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:59.320]                     ...future.globalenv.names))
[17:26:59.320]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:59.320]         }, condition = base::local({
[17:26:59.320]             c <- base::c
[17:26:59.320]             inherits <- base::inherits
[17:26:59.320]             invokeRestart <- base::invokeRestart
[17:26:59.320]             length <- base::length
[17:26:59.320]             list <- base::list
[17:26:59.320]             seq.int <- base::seq.int
[17:26:59.320]             signalCondition <- base::signalCondition
[17:26:59.320]             sys.calls <- base::sys.calls
[17:26:59.320]             `[[` <- base::`[[`
[17:26:59.320]             `+` <- base::`+`
[17:26:59.320]             `<<-` <- base::`<<-`
[17:26:59.320]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:59.320]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:59.320]                   3L)]
[17:26:59.320]             }
[17:26:59.320]             function(cond) {
[17:26:59.320]                 is_error <- inherits(cond, "error")
[17:26:59.320]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:59.320]                   NULL)
[17:26:59.320]                 if (is_error) {
[17:26:59.320]                   sessionInformation <- function() {
[17:26:59.320]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:59.320]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:59.320]                       search = base::search(), system = base::Sys.info())
[17:26:59.320]                   }
[17:26:59.320]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.320]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:59.320]                     cond$call), session = sessionInformation(), 
[17:26:59.320]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:59.320]                   signalCondition(cond)
[17:26:59.320]                 }
[17:26:59.320]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:59.320]                 "immediateCondition"))) {
[17:26:59.320]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:59.320]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.320]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:59.320]                   if (TRUE && !signal) {
[17:26:59.320]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.320]                     {
[17:26:59.320]                       inherits <- base::inherits
[17:26:59.320]                       invokeRestart <- base::invokeRestart
[17:26:59.320]                       is.null <- base::is.null
[17:26:59.320]                       muffled <- FALSE
[17:26:59.320]                       if (inherits(cond, "message")) {
[17:26:59.320]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.320]                         if (muffled) 
[17:26:59.320]                           invokeRestart("muffleMessage")
[17:26:59.320]                       }
[17:26:59.320]                       else if (inherits(cond, "warning")) {
[17:26:59.320]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.320]                         if (muffled) 
[17:26:59.320]                           invokeRestart("muffleWarning")
[17:26:59.320]                       }
[17:26:59.320]                       else if (inherits(cond, "condition")) {
[17:26:59.320]                         if (!is.null(pattern)) {
[17:26:59.320]                           computeRestarts <- base::computeRestarts
[17:26:59.320]                           grepl <- base::grepl
[17:26:59.320]                           restarts <- computeRestarts(cond)
[17:26:59.320]                           for (restart in restarts) {
[17:26:59.320]                             name <- restart$name
[17:26:59.320]                             if (is.null(name)) 
[17:26:59.320]                               next
[17:26:59.320]                             if (!grepl(pattern, name)) 
[17:26:59.320]                               next
[17:26:59.320]                             invokeRestart(restart)
[17:26:59.320]                             muffled <- TRUE
[17:26:59.320]                             break
[17:26:59.320]                           }
[17:26:59.320]                         }
[17:26:59.320]                       }
[17:26:59.320]                       invisible(muffled)
[17:26:59.320]                     }
[17:26:59.320]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.320]                   }
[17:26:59.320]                 }
[17:26:59.320]                 else {
[17:26:59.320]                   if (TRUE) {
[17:26:59.320]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.320]                     {
[17:26:59.320]                       inherits <- base::inherits
[17:26:59.320]                       invokeRestart <- base::invokeRestart
[17:26:59.320]                       is.null <- base::is.null
[17:26:59.320]                       muffled <- FALSE
[17:26:59.320]                       if (inherits(cond, "message")) {
[17:26:59.320]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.320]                         if (muffled) 
[17:26:59.320]                           invokeRestart("muffleMessage")
[17:26:59.320]                       }
[17:26:59.320]                       else if (inherits(cond, "warning")) {
[17:26:59.320]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.320]                         if (muffled) 
[17:26:59.320]                           invokeRestart("muffleWarning")
[17:26:59.320]                       }
[17:26:59.320]                       else if (inherits(cond, "condition")) {
[17:26:59.320]                         if (!is.null(pattern)) {
[17:26:59.320]                           computeRestarts <- base::computeRestarts
[17:26:59.320]                           grepl <- base::grepl
[17:26:59.320]                           restarts <- computeRestarts(cond)
[17:26:59.320]                           for (restart in restarts) {
[17:26:59.320]                             name <- restart$name
[17:26:59.320]                             if (is.null(name)) 
[17:26:59.320]                               next
[17:26:59.320]                             if (!grepl(pattern, name)) 
[17:26:59.320]                               next
[17:26:59.320]                             invokeRestart(restart)
[17:26:59.320]                             muffled <- TRUE
[17:26:59.320]                             break
[17:26:59.320]                           }
[17:26:59.320]                         }
[17:26:59.320]                       }
[17:26:59.320]                       invisible(muffled)
[17:26:59.320]                     }
[17:26:59.320]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.320]                   }
[17:26:59.320]                 }
[17:26:59.320]             }
[17:26:59.320]         }))
[17:26:59.320]     }, error = function(ex) {
[17:26:59.320]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:59.320]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.320]                 ...future.rng), started = ...future.startTime, 
[17:26:59.320]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:59.320]             version = "1.8"), class = "FutureResult")
[17:26:59.320]     }, finally = {
[17:26:59.320]         if (!identical(...future.workdir, getwd())) 
[17:26:59.320]             setwd(...future.workdir)
[17:26:59.320]         {
[17:26:59.320]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:59.320]                 ...future.oldOptions$nwarnings <- NULL
[17:26:59.320]             }
[17:26:59.320]             base::options(...future.oldOptions)
[17:26:59.320]             if (.Platform$OS.type == "windows") {
[17:26:59.320]                 old_names <- names(...future.oldEnvVars)
[17:26:59.320]                 envs <- base::Sys.getenv()
[17:26:59.320]                 names <- names(envs)
[17:26:59.320]                 common <- intersect(names, old_names)
[17:26:59.320]                 added <- setdiff(names, old_names)
[17:26:59.320]                 removed <- setdiff(old_names, names)
[17:26:59.320]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:59.320]                   envs[common]]
[17:26:59.320]                 NAMES <- toupper(changed)
[17:26:59.320]                 args <- list()
[17:26:59.320]                 for (kk in seq_along(NAMES)) {
[17:26:59.320]                   name <- changed[[kk]]
[17:26:59.320]                   NAME <- NAMES[[kk]]
[17:26:59.320]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.320]                     next
[17:26:59.320]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.320]                 }
[17:26:59.320]                 NAMES <- toupper(added)
[17:26:59.320]                 for (kk in seq_along(NAMES)) {
[17:26:59.320]                   name <- added[[kk]]
[17:26:59.320]                   NAME <- NAMES[[kk]]
[17:26:59.320]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.320]                     next
[17:26:59.320]                   args[[name]] <- ""
[17:26:59.320]                 }
[17:26:59.320]                 NAMES <- toupper(removed)
[17:26:59.320]                 for (kk in seq_along(NAMES)) {
[17:26:59.320]                   name <- removed[[kk]]
[17:26:59.320]                   NAME <- NAMES[[kk]]
[17:26:59.320]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.320]                     next
[17:26:59.320]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.320]                 }
[17:26:59.320]                 if (length(args) > 0) 
[17:26:59.320]                   base::do.call(base::Sys.setenv, args = args)
[17:26:59.320]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:59.320]             }
[17:26:59.320]             else {
[17:26:59.320]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:59.320]             }
[17:26:59.320]             {
[17:26:59.320]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:59.320]                   0L) {
[17:26:59.320]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:59.320]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:59.320]                   base::options(opts)
[17:26:59.320]                 }
[17:26:59.320]                 {
[17:26:59.320]                   {
[17:26:59.320]                     NULL
[17:26:59.320]                     RNGkind("Mersenne-Twister")
[17:26:59.320]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:59.320]                       inherits = FALSE)
[17:26:59.320]                   }
[17:26:59.320]                   options(future.plan = NULL)
[17:26:59.320]                   if (is.na(NA_character_)) 
[17:26:59.320]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.320]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:59.320]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:59.320]                     .init = FALSE)
[17:26:59.320]                 }
[17:26:59.320]             }
[17:26:59.320]         }
[17:26:59.320]     })
[17:26:59.320]     if (TRUE) {
[17:26:59.320]         base::sink(type = "output", split = FALSE)
[17:26:59.320]         if (TRUE) {
[17:26:59.320]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:59.320]         }
[17:26:59.320]         else {
[17:26:59.320]             ...future.result["stdout"] <- base::list(NULL)
[17:26:59.320]         }
[17:26:59.320]         base::close(...future.stdout)
[17:26:59.320]         ...future.stdout <- NULL
[17:26:59.320]     }
[17:26:59.320]     ...future.result$conditions <- ...future.conditions
[17:26:59.320]     ...future.result$finished <- base::Sys.time()
[17:26:59.320]     ...future.result
[17:26:59.320] }
[17:26:59.323] assign_globals() ...
[17:26:59.324] List of 1
[17:26:59.324]  $ x: list()
[17:26:59.324]  - attr(*, "where")=List of 1
[17:26:59.324]   ..$ x:<environment: R_EmptyEnv> 
[17:26:59.324]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:26:59.324]  - attr(*, "resolved")= logi TRUE
[17:26:59.324]  - attr(*, "total_size")= num 0
[17:26:59.324]  - attr(*, "already-done")= logi TRUE
[17:26:59.326] - copied 'x' to environment
[17:26:59.326] assign_globals() ... done
[17:26:59.327] plan(): Setting new future strategy stack:
[17:26:59.327] List of future strategies:
[17:26:59.327] 1. sequential:
[17:26:59.327]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.327]    - tweaked: FALSE
[17:26:59.327]    - call: NULL
[17:26:59.328] plan(): nbrOfWorkers() = 1
[17:26:59.329] plan(): Setting new future strategy stack:
[17:26:59.329] List of future strategies:
[17:26:59.329] 1. sequential:
[17:26:59.329]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.329]    - tweaked: FALSE
[17:26:59.329]    - call: plan(strategy)
[17:26:59.329] plan(): nbrOfWorkers() = 1
[17:26:59.330] SequentialFuture started (and completed)
[17:26:59.330] - Launch lazy future ... done
[17:26:59.330] run() for 'SequentialFuture' ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:26:59.331] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:26:59.331] Searching for globals...
[17:26:59.333] - globals found: [5] '{', 'x', '<-', '[[', '[[<-'
[17:26:59.333] Searching for globals ... DONE
[17:26:59.334] Resolving globals: TRUE
[17:26:59.334] Resolving any globals that are futures ...
[17:26:59.334] - globals: [5] '{', 'x', '<-', '[[', '[[<-'
[17:26:59.334] Resolving any globals that are futures ... DONE
[17:26:59.335] Resolving futures part of globals (recursively) ...
[17:26:59.335] resolve() on list ...
[17:26:59.335]  recursive: 99
[17:26:59.336]  length: 1
[17:26:59.336]  elements: 'x'
[17:26:59.336]  length: 0 (resolved future 1)
[17:26:59.337] resolve() on list ... DONE
[17:26:59.337] - globals: [1] 'x'
[17:26:59.337] Resolving futures part of globals (recursively) ... DONE
[17:26:59.337] The total size of the 1 globals is 0 bytes (0 bytes)
[17:26:59.337] The total size of the 1 globals exported for future expression ('{; x[["a"]] <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:26:59.338] - globals: [1] 'x'
[17:26:59.338] 
[17:26:59.338] getGlobalsAndPackages() ... DONE
[17:26:59.338] run() for 'Future' ...
[17:26:59.339] - state: 'created'
[17:26:59.339] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:59.339] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:59.339] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:59.339]   - Field: 'label'
[17:26:59.340]   - Field: 'local'
[17:26:59.340]   - Field: 'owner'
[17:26:59.340]   - Field: 'envir'
[17:26:59.340]   - Field: 'packages'
[17:26:59.340]   - Field: 'gc'
[17:26:59.341]   - Field: 'conditions'
[17:26:59.341]   - Field: 'expr'
[17:26:59.341]   - Field: 'uuid'
[17:26:59.341]   - Field: 'seed'
[17:26:59.341]   - Field: 'version'
[17:26:59.341]   - Field: 'result'
[17:26:59.342]   - Field: 'asynchronous'
[17:26:59.342]   - Field: 'calls'
[17:26:59.342]   - Field: 'globals'
[17:26:59.342]   - Field: 'stdout'
[17:26:59.342]   - Field: 'earlySignal'
[17:26:59.342]   - Field: 'lazy'
[17:26:59.343]   - Field: 'state'
[17:26:59.343] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:59.343] - Launch lazy future ...
[17:26:59.343] Packages needed by the future expression (n = 0): <none>
[17:26:59.343] Packages needed by future strategies (n = 0): <none>
[17:26:59.344] {
[17:26:59.344]     {
[17:26:59.344]         {
[17:26:59.344]             ...future.startTime <- base::Sys.time()
[17:26:59.344]             {
[17:26:59.344]                 {
[17:26:59.344]                   {
[17:26:59.344]                     base::local({
[17:26:59.344]                       has_future <- base::requireNamespace("future", 
[17:26:59.344]                         quietly = TRUE)
[17:26:59.344]                       if (has_future) {
[17:26:59.344]                         ns <- base::getNamespace("future")
[17:26:59.344]                         version <- ns[[".package"]][["version"]]
[17:26:59.344]                         if (is.null(version)) 
[17:26:59.344]                           version <- utils::packageVersion("future")
[17:26:59.344]                       }
[17:26:59.344]                       else {
[17:26:59.344]                         version <- NULL
[17:26:59.344]                       }
[17:26:59.344]                       if (!has_future || version < "1.8.0") {
[17:26:59.344]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:59.344]                           "", base::R.version$version.string), 
[17:26:59.344]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:59.344]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:59.344]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:59.344]                             "release", "version")], collapse = " "), 
[17:26:59.344]                           hostname = base::Sys.info()[["nodename"]])
[17:26:59.344]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:59.344]                           info)
[17:26:59.344]                         info <- base::paste(info, collapse = "; ")
[17:26:59.344]                         if (!has_future) {
[17:26:59.344]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:59.344]                             info)
[17:26:59.344]                         }
[17:26:59.344]                         else {
[17:26:59.344]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:59.344]                             info, version)
[17:26:59.344]                         }
[17:26:59.344]                         base::stop(msg)
[17:26:59.344]                       }
[17:26:59.344]                     })
[17:26:59.344]                   }
[17:26:59.344]                   ...future.strategy.old <- future::plan("list")
[17:26:59.344]                   options(future.plan = NULL)
[17:26:59.344]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.344]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:59.344]                 }
[17:26:59.344]                 ...future.workdir <- getwd()
[17:26:59.344]             }
[17:26:59.344]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:59.344]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:59.344]         }
[17:26:59.344]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:26:59.344]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:59.344]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:26:59.344]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:26:59.344]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:59.344]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:59.344]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:59.344]             base::names(...future.oldOptions))
[17:26:59.344]     }
[17:26:59.344]     if (FALSE) {
[17:26:59.344]     }
[17:26:59.344]     else {
[17:26:59.344]         if (TRUE) {
[17:26:59.344]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:59.344]                 open = "w")
[17:26:59.344]         }
[17:26:59.344]         else {
[17:26:59.344]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:59.344]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:59.344]         }
[17:26:59.344]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:59.344]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:59.344]             base::sink(type = "output", split = FALSE)
[17:26:59.344]             base::close(...future.stdout)
[17:26:59.344]         }, add = TRUE)
[17:26:59.344]     }
[17:26:59.344]     ...future.frame <- base::sys.nframe()
[17:26:59.344]     ...future.conditions <- base::list()
[17:26:59.344]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:59.344]     if (FALSE) {
[17:26:59.344]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:59.344]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:59.344]     }
[17:26:59.344]     ...future.result <- base::tryCatch({
[17:26:59.344]         base::withCallingHandlers({
[17:26:59.344]             ...future.value <- base::withVisible(base::local({
[17:26:59.344]                 x[["a"]] <- 1
[17:26:59.344]                 x
[17:26:59.344]             }))
[17:26:59.344]             future::FutureResult(value = ...future.value$value, 
[17:26:59.344]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.344]                   ...future.rng), globalenv = if (FALSE) 
[17:26:59.344]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:59.344]                     ...future.globalenv.names))
[17:26:59.344]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:59.344]         }, condition = base::local({
[17:26:59.344]             c <- base::c
[17:26:59.344]             inherits <- base::inherits
[17:26:59.344]             invokeRestart <- base::invokeRestart
[17:26:59.344]             length <- base::length
[17:26:59.344]             list <- base::list
[17:26:59.344]             seq.int <- base::seq.int
[17:26:59.344]             signalCondition <- base::signalCondition
[17:26:59.344]             sys.calls <- base::sys.calls
[17:26:59.344]             `[[` <- base::`[[`
[17:26:59.344]             `+` <- base::`+`
[17:26:59.344]             `<<-` <- base::`<<-`
[17:26:59.344]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:59.344]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:59.344]                   3L)]
[17:26:59.344]             }
[17:26:59.344]             function(cond) {
[17:26:59.344]                 is_error <- inherits(cond, "error")
[17:26:59.344]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:59.344]                   NULL)
[17:26:59.344]                 if (is_error) {
[17:26:59.344]                   sessionInformation <- function() {
[17:26:59.344]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:59.344]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:59.344]                       search = base::search(), system = base::Sys.info())
[17:26:59.344]                   }
[17:26:59.344]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.344]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:59.344]                     cond$call), session = sessionInformation(), 
[17:26:59.344]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:59.344]                   signalCondition(cond)
[17:26:59.344]                 }
[17:26:59.344]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:59.344]                 "immediateCondition"))) {
[17:26:59.344]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:59.344]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.344]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:59.344]                   if (TRUE && !signal) {
[17:26:59.344]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.344]                     {
[17:26:59.344]                       inherits <- base::inherits
[17:26:59.344]                       invokeRestart <- base::invokeRestart
[17:26:59.344]                       is.null <- base::is.null
[17:26:59.344]                       muffled <- FALSE
[17:26:59.344]                       if (inherits(cond, "message")) {
[17:26:59.344]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.344]                         if (muffled) 
[17:26:59.344]                           invokeRestart("muffleMessage")
[17:26:59.344]                       }
[17:26:59.344]                       else if (inherits(cond, "warning")) {
[17:26:59.344]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.344]                         if (muffled) 
[17:26:59.344]                           invokeRestart("muffleWarning")
[17:26:59.344]                       }
[17:26:59.344]                       else if (inherits(cond, "condition")) {
[17:26:59.344]                         if (!is.null(pattern)) {
[17:26:59.344]                           computeRestarts <- base::computeRestarts
[17:26:59.344]                           grepl <- base::grepl
[17:26:59.344]                           restarts <- computeRestarts(cond)
[17:26:59.344]                           for (restart in restarts) {
[17:26:59.344]                             name <- restart$name
[17:26:59.344]                             if (is.null(name)) 
[17:26:59.344]                               next
[17:26:59.344]                             if (!grepl(pattern, name)) 
[17:26:59.344]                               next
[17:26:59.344]                             invokeRestart(restart)
[17:26:59.344]                             muffled <- TRUE
[17:26:59.344]                             break
[17:26:59.344]                           }
[17:26:59.344]                         }
[17:26:59.344]                       }
[17:26:59.344]                       invisible(muffled)
[17:26:59.344]                     }
[17:26:59.344]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.344]                   }
[17:26:59.344]                 }
[17:26:59.344]                 else {
[17:26:59.344]                   if (TRUE) {
[17:26:59.344]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.344]                     {
[17:26:59.344]                       inherits <- base::inherits
[17:26:59.344]                       invokeRestart <- base::invokeRestart
[17:26:59.344]                       is.null <- base::is.null
[17:26:59.344]                       muffled <- FALSE
[17:26:59.344]                       if (inherits(cond, "message")) {
[17:26:59.344]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.344]                         if (muffled) 
[17:26:59.344]                           invokeRestart("muffleMessage")
[17:26:59.344]                       }
[17:26:59.344]                       else if (inherits(cond, "warning")) {
[17:26:59.344]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.344]                         if (muffled) 
[17:26:59.344]                           invokeRestart("muffleWarning")
[17:26:59.344]                       }
[17:26:59.344]                       else if (inherits(cond, "condition")) {
[17:26:59.344]                         if (!is.null(pattern)) {
[17:26:59.344]                           computeRestarts <- base::computeRestarts
[17:26:59.344]                           grepl <- base::grepl
[17:26:59.344]                           restarts <- computeRestarts(cond)
[17:26:59.344]                           for (restart in restarts) {
[17:26:59.344]                             name <- restart$name
[17:26:59.344]                             if (is.null(name)) 
[17:26:59.344]                               next
[17:26:59.344]                             if (!grepl(pattern, name)) 
[17:26:59.344]                               next
[17:26:59.344]                             invokeRestart(restart)
[17:26:59.344]                             muffled <- TRUE
[17:26:59.344]                             break
[17:26:59.344]                           }
[17:26:59.344]                         }
[17:26:59.344]                       }
[17:26:59.344]                       invisible(muffled)
[17:26:59.344]                     }
[17:26:59.344]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.344]                   }
[17:26:59.344]                 }
[17:26:59.344]             }
[17:26:59.344]         }))
[17:26:59.344]     }, error = function(ex) {
[17:26:59.344]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:59.344]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.344]                 ...future.rng), started = ...future.startTime, 
[17:26:59.344]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:59.344]             version = "1.8"), class = "FutureResult")
[17:26:59.344]     }, finally = {
[17:26:59.344]         if (!identical(...future.workdir, getwd())) 
[17:26:59.344]             setwd(...future.workdir)
[17:26:59.344]         {
[17:26:59.344]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:59.344]                 ...future.oldOptions$nwarnings <- NULL
[17:26:59.344]             }
[17:26:59.344]             base::options(...future.oldOptions)
[17:26:59.344]             if (.Platform$OS.type == "windows") {
[17:26:59.344]                 old_names <- names(...future.oldEnvVars)
[17:26:59.344]                 envs <- base::Sys.getenv()
[17:26:59.344]                 names <- names(envs)
[17:26:59.344]                 common <- intersect(names, old_names)
[17:26:59.344]                 added <- setdiff(names, old_names)
[17:26:59.344]                 removed <- setdiff(old_names, names)
[17:26:59.344]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:59.344]                   envs[common]]
[17:26:59.344]                 NAMES <- toupper(changed)
[17:26:59.344]                 args <- list()
[17:26:59.344]                 for (kk in seq_along(NAMES)) {
[17:26:59.344]                   name <- changed[[kk]]
[17:26:59.344]                   NAME <- NAMES[[kk]]
[17:26:59.344]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.344]                     next
[17:26:59.344]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.344]                 }
[17:26:59.344]                 NAMES <- toupper(added)
[17:26:59.344]                 for (kk in seq_along(NAMES)) {
[17:26:59.344]                   name <- added[[kk]]
[17:26:59.344]                   NAME <- NAMES[[kk]]
[17:26:59.344]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.344]                     next
[17:26:59.344]                   args[[name]] <- ""
[17:26:59.344]                 }
[17:26:59.344]                 NAMES <- toupper(removed)
[17:26:59.344]                 for (kk in seq_along(NAMES)) {
[17:26:59.344]                   name <- removed[[kk]]
[17:26:59.344]                   NAME <- NAMES[[kk]]
[17:26:59.344]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.344]                     next
[17:26:59.344]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.344]                 }
[17:26:59.344]                 if (length(args) > 0) 
[17:26:59.344]                   base::do.call(base::Sys.setenv, args = args)
[17:26:59.344]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:59.344]             }
[17:26:59.344]             else {
[17:26:59.344]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:59.344]             }
[17:26:59.344]             {
[17:26:59.344]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:59.344]                   0L) {
[17:26:59.344]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:59.344]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:59.344]                   base::options(opts)
[17:26:59.344]                 }
[17:26:59.344]                 {
[17:26:59.344]                   {
[17:26:59.344]                     NULL
[17:26:59.344]                     RNGkind("Mersenne-Twister")
[17:26:59.344]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:59.344]                       inherits = FALSE)
[17:26:59.344]                   }
[17:26:59.344]                   options(future.plan = NULL)
[17:26:59.344]                   if (is.na(NA_character_)) 
[17:26:59.344]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.344]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:59.344]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:59.344]                     .init = FALSE)
[17:26:59.344]                 }
[17:26:59.344]             }
[17:26:59.344]         }
[17:26:59.344]     })
[17:26:59.344]     if (TRUE) {
[17:26:59.344]         base::sink(type = "output", split = FALSE)
[17:26:59.344]         if (TRUE) {
[17:26:59.344]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:59.344]         }
[17:26:59.344]         else {
[17:26:59.344]             ...future.result["stdout"] <- base::list(NULL)
[17:26:59.344]         }
[17:26:59.344]         base::close(...future.stdout)
[17:26:59.344]         ...future.stdout <- NULL
[17:26:59.344]     }
[17:26:59.344]     ...future.result$conditions <- ...future.conditions
[17:26:59.344]     ...future.result$finished <- base::Sys.time()
[17:26:59.344]     ...future.result
[17:26:59.344] }
[17:26:59.348] assign_globals() ...
[17:26:59.348] List of 1
[17:26:59.348]  $ x: list()
[17:26:59.348]  - attr(*, "where")=List of 1
[17:26:59.348]   ..$ x:<environment: R_EmptyEnv> 
[17:26:59.348]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:26:59.348]  - attr(*, "resolved")= logi TRUE
[17:26:59.348]  - attr(*, "total_size")= num 0
[17:26:59.348]  - attr(*, "already-done")= logi TRUE
[17:26:59.350] - copied 'x' to environment
[17:26:59.351] assign_globals() ... done
[17:26:59.351] plan(): Setting new future strategy stack:
[17:26:59.351] List of future strategies:
[17:26:59.351] 1. sequential:
[17:26:59.351]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.351]    - tweaked: FALSE
[17:26:59.351]    - call: NULL
[17:26:59.352] plan(): nbrOfWorkers() = 1
[17:26:59.353] plan(): Setting new future strategy stack:
[17:26:59.353] List of future strategies:
[17:26:59.353] 1. sequential:
[17:26:59.353]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.353]    - tweaked: FALSE
[17:26:59.353]    - call: plan(strategy)
[17:26:59.354] plan(): nbrOfWorkers() = 1
[17:26:59.354] SequentialFuture started (and completed)
[17:26:59.354] - Launch lazy future ... done
[17:26:59.354] run() for 'SequentialFuture' ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:26:59.355] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:26:59.355] Searching for globals...
[17:26:59.357] - globals found: [5] '{', 'x', '<-', '[[', '[[<-'
[17:26:59.358] Searching for globals ... DONE
[17:26:59.358] Resolving globals: TRUE
[17:26:59.358] Resolving any globals that are futures ...
[17:26:59.358] - globals: [5] '{', 'x', '<-', '[[', '[[<-'
[17:26:59.358] Resolving any globals that are futures ... DONE
[17:26:59.359] Resolving futures part of globals (recursively) ...
[17:26:59.359] resolve() on list ...
[17:26:59.359]  recursive: 99
[17:26:59.359]  length: 1
[17:26:59.360]  elements: 'x'
[17:26:59.360]  length: 0 (resolved future 1)
[17:26:59.360] resolve() on list ... DONE
[17:26:59.360] - globals: [1] 'x'
[17:26:59.360] Resolving futures part of globals (recursively) ... DONE
[17:26:59.360] The total size of the 1 globals is 0 bytes (0 bytes)
[17:26:59.361] The total size of the 1 globals exported for future expression ('{; x[["a"]] <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:26:59.361] - globals: [1] 'x'
[17:26:59.361] 
[17:26:59.361] getGlobalsAndPackages() ... DONE
[17:26:59.362] run() for 'Future' ...
[17:26:59.362] - state: 'created'
[17:26:59.362] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:59.362] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:59.363] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:59.363]   - Field: 'label'
[17:26:59.363]   - Field: 'local'
[17:26:59.363]   - Field: 'owner'
[17:26:59.363]   - Field: 'envir'
[17:26:59.364]   - Field: 'packages'
[17:26:59.364]   - Field: 'gc'
[17:26:59.364]   - Field: 'conditions'
[17:26:59.364]   - Field: 'expr'
[17:26:59.364]   - Field: 'uuid'
[17:26:59.364]   - Field: 'seed'
[17:26:59.365]   - Field: 'version'
[17:26:59.365]   - Field: 'result'
[17:26:59.365]   - Field: 'asynchronous'
[17:26:59.365]   - Field: 'calls'
[17:26:59.365]   - Field: 'globals'
[17:26:59.365]   - Field: 'stdout'
[17:26:59.366]   - Field: 'earlySignal'
[17:26:59.366]   - Field: 'lazy'
[17:26:59.366]   - Field: 'state'
[17:26:59.366] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:59.366] - Launch lazy future ...
[17:26:59.367] Packages needed by the future expression (n = 0): <none>
[17:26:59.367] Packages needed by future strategies (n = 0): <none>
[17:26:59.368] {
[17:26:59.368]     {
[17:26:59.368]         {
[17:26:59.368]             ...future.startTime <- base::Sys.time()
[17:26:59.368]             {
[17:26:59.368]                 {
[17:26:59.368]                   {
[17:26:59.368]                     base::local({
[17:26:59.368]                       has_future <- base::requireNamespace("future", 
[17:26:59.368]                         quietly = TRUE)
[17:26:59.368]                       if (has_future) {
[17:26:59.368]                         ns <- base::getNamespace("future")
[17:26:59.368]                         version <- ns[[".package"]][["version"]]
[17:26:59.368]                         if (is.null(version)) 
[17:26:59.368]                           version <- utils::packageVersion("future")
[17:26:59.368]                       }
[17:26:59.368]                       else {
[17:26:59.368]                         version <- NULL
[17:26:59.368]                       }
[17:26:59.368]                       if (!has_future || version < "1.8.0") {
[17:26:59.368]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:59.368]                           "", base::R.version$version.string), 
[17:26:59.368]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:59.368]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:59.368]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:59.368]                             "release", "version")], collapse = " "), 
[17:26:59.368]                           hostname = base::Sys.info()[["nodename"]])
[17:26:59.368]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:59.368]                           info)
[17:26:59.368]                         info <- base::paste(info, collapse = "; ")
[17:26:59.368]                         if (!has_future) {
[17:26:59.368]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:59.368]                             info)
[17:26:59.368]                         }
[17:26:59.368]                         else {
[17:26:59.368]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:59.368]                             info, version)
[17:26:59.368]                         }
[17:26:59.368]                         base::stop(msg)
[17:26:59.368]                       }
[17:26:59.368]                     })
[17:26:59.368]                   }
[17:26:59.368]                   ...future.strategy.old <- future::plan("list")
[17:26:59.368]                   options(future.plan = NULL)
[17:26:59.368]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.368]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:59.368]                 }
[17:26:59.368]                 ...future.workdir <- getwd()
[17:26:59.368]             }
[17:26:59.368]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:59.368]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:59.368]         }
[17:26:59.368]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:26:59.368]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:59.368]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:26:59.368]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:26:59.368]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:59.368]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:59.368]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:59.368]             base::names(...future.oldOptions))
[17:26:59.368]     }
[17:26:59.368]     if (FALSE) {
[17:26:59.368]     }
[17:26:59.368]     else {
[17:26:59.368]         if (TRUE) {
[17:26:59.368]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:59.368]                 open = "w")
[17:26:59.368]         }
[17:26:59.368]         else {
[17:26:59.368]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:59.368]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:59.368]         }
[17:26:59.368]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:59.368]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:59.368]             base::sink(type = "output", split = FALSE)
[17:26:59.368]             base::close(...future.stdout)
[17:26:59.368]         }, add = TRUE)
[17:26:59.368]     }
[17:26:59.368]     ...future.frame <- base::sys.nframe()
[17:26:59.368]     ...future.conditions <- base::list()
[17:26:59.368]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:59.368]     if (FALSE) {
[17:26:59.368]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:59.368]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:59.368]     }
[17:26:59.368]     ...future.result <- base::tryCatch({
[17:26:59.368]         base::withCallingHandlers({
[17:26:59.368]             ...future.value <- base::withVisible(base::local({
[17:26:59.368]                 x[["a"]] <- 1
[17:26:59.368]                 x
[17:26:59.368]             }))
[17:26:59.368]             future::FutureResult(value = ...future.value$value, 
[17:26:59.368]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.368]                   ...future.rng), globalenv = if (FALSE) 
[17:26:59.368]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:59.368]                     ...future.globalenv.names))
[17:26:59.368]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:59.368]         }, condition = base::local({
[17:26:59.368]             c <- base::c
[17:26:59.368]             inherits <- base::inherits
[17:26:59.368]             invokeRestart <- base::invokeRestart
[17:26:59.368]             length <- base::length
[17:26:59.368]             list <- base::list
[17:26:59.368]             seq.int <- base::seq.int
[17:26:59.368]             signalCondition <- base::signalCondition
[17:26:59.368]             sys.calls <- base::sys.calls
[17:26:59.368]             `[[` <- base::`[[`
[17:26:59.368]             `+` <- base::`+`
[17:26:59.368]             `<<-` <- base::`<<-`
[17:26:59.368]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:59.368]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:59.368]                   3L)]
[17:26:59.368]             }
[17:26:59.368]             function(cond) {
[17:26:59.368]                 is_error <- inherits(cond, "error")
[17:26:59.368]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:59.368]                   NULL)
[17:26:59.368]                 if (is_error) {
[17:26:59.368]                   sessionInformation <- function() {
[17:26:59.368]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:59.368]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:59.368]                       search = base::search(), system = base::Sys.info())
[17:26:59.368]                   }
[17:26:59.368]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.368]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:59.368]                     cond$call), session = sessionInformation(), 
[17:26:59.368]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:59.368]                   signalCondition(cond)
[17:26:59.368]                 }
[17:26:59.368]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:59.368]                 "immediateCondition"))) {
[17:26:59.368]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:59.368]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.368]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:59.368]                   if (TRUE && !signal) {
[17:26:59.368]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.368]                     {
[17:26:59.368]                       inherits <- base::inherits
[17:26:59.368]                       invokeRestart <- base::invokeRestart
[17:26:59.368]                       is.null <- base::is.null
[17:26:59.368]                       muffled <- FALSE
[17:26:59.368]                       if (inherits(cond, "message")) {
[17:26:59.368]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.368]                         if (muffled) 
[17:26:59.368]                           invokeRestart("muffleMessage")
[17:26:59.368]                       }
[17:26:59.368]                       else if (inherits(cond, "warning")) {
[17:26:59.368]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.368]                         if (muffled) 
[17:26:59.368]                           invokeRestart("muffleWarning")
[17:26:59.368]                       }
[17:26:59.368]                       else if (inherits(cond, "condition")) {
[17:26:59.368]                         if (!is.null(pattern)) {
[17:26:59.368]                           computeRestarts <- base::computeRestarts
[17:26:59.368]                           grepl <- base::grepl
[17:26:59.368]                           restarts <- computeRestarts(cond)
[17:26:59.368]                           for (restart in restarts) {
[17:26:59.368]                             name <- restart$name
[17:26:59.368]                             if (is.null(name)) 
[17:26:59.368]                               next
[17:26:59.368]                             if (!grepl(pattern, name)) 
[17:26:59.368]                               next
[17:26:59.368]                             invokeRestart(restart)
[17:26:59.368]                             muffled <- TRUE
[17:26:59.368]                             break
[17:26:59.368]                           }
[17:26:59.368]                         }
[17:26:59.368]                       }
[17:26:59.368]                       invisible(muffled)
[17:26:59.368]                     }
[17:26:59.368]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.368]                   }
[17:26:59.368]                 }
[17:26:59.368]                 else {
[17:26:59.368]                   if (TRUE) {
[17:26:59.368]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.368]                     {
[17:26:59.368]                       inherits <- base::inherits
[17:26:59.368]                       invokeRestart <- base::invokeRestart
[17:26:59.368]                       is.null <- base::is.null
[17:26:59.368]                       muffled <- FALSE
[17:26:59.368]                       if (inherits(cond, "message")) {
[17:26:59.368]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.368]                         if (muffled) 
[17:26:59.368]                           invokeRestart("muffleMessage")
[17:26:59.368]                       }
[17:26:59.368]                       else if (inherits(cond, "warning")) {
[17:26:59.368]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.368]                         if (muffled) 
[17:26:59.368]                           invokeRestart("muffleWarning")
[17:26:59.368]                       }
[17:26:59.368]                       else if (inherits(cond, "condition")) {
[17:26:59.368]                         if (!is.null(pattern)) {
[17:26:59.368]                           computeRestarts <- base::computeRestarts
[17:26:59.368]                           grepl <- base::grepl
[17:26:59.368]                           restarts <- computeRestarts(cond)
[17:26:59.368]                           for (restart in restarts) {
[17:26:59.368]                             name <- restart$name
[17:26:59.368]                             if (is.null(name)) 
[17:26:59.368]                               next
[17:26:59.368]                             if (!grepl(pattern, name)) 
[17:26:59.368]                               next
[17:26:59.368]                             invokeRestart(restart)
[17:26:59.368]                             muffled <- TRUE
[17:26:59.368]                             break
[17:26:59.368]                           }
[17:26:59.368]                         }
[17:26:59.368]                       }
[17:26:59.368]                       invisible(muffled)
[17:26:59.368]                     }
[17:26:59.368]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.368]                   }
[17:26:59.368]                 }
[17:26:59.368]             }
[17:26:59.368]         }))
[17:26:59.368]     }, error = function(ex) {
[17:26:59.368]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:59.368]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.368]                 ...future.rng), started = ...future.startTime, 
[17:26:59.368]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:59.368]             version = "1.8"), class = "FutureResult")
[17:26:59.368]     }, finally = {
[17:26:59.368]         if (!identical(...future.workdir, getwd())) 
[17:26:59.368]             setwd(...future.workdir)
[17:26:59.368]         {
[17:26:59.368]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:59.368]                 ...future.oldOptions$nwarnings <- NULL
[17:26:59.368]             }
[17:26:59.368]             base::options(...future.oldOptions)
[17:26:59.368]             if (.Platform$OS.type == "windows") {
[17:26:59.368]                 old_names <- names(...future.oldEnvVars)
[17:26:59.368]                 envs <- base::Sys.getenv()
[17:26:59.368]                 names <- names(envs)
[17:26:59.368]                 common <- intersect(names, old_names)
[17:26:59.368]                 added <- setdiff(names, old_names)
[17:26:59.368]                 removed <- setdiff(old_names, names)
[17:26:59.368]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:59.368]                   envs[common]]
[17:26:59.368]                 NAMES <- toupper(changed)
[17:26:59.368]                 args <- list()
[17:26:59.368]                 for (kk in seq_along(NAMES)) {
[17:26:59.368]                   name <- changed[[kk]]
[17:26:59.368]                   NAME <- NAMES[[kk]]
[17:26:59.368]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.368]                     next
[17:26:59.368]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.368]                 }
[17:26:59.368]                 NAMES <- toupper(added)
[17:26:59.368]                 for (kk in seq_along(NAMES)) {
[17:26:59.368]                   name <- added[[kk]]
[17:26:59.368]                   NAME <- NAMES[[kk]]
[17:26:59.368]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.368]                     next
[17:26:59.368]                   args[[name]] <- ""
[17:26:59.368]                 }
[17:26:59.368]                 NAMES <- toupper(removed)
[17:26:59.368]                 for (kk in seq_along(NAMES)) {
[17:26:59.368]                   name <- removed[[kk]]
[17:26:59.368]                   NAME <- NAMES[[kk]]
[17:26:59.368]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.368]                     next
[17:26:59.368]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.368]                 }
[17:26:59.368]                 if (length(args) > 0) 
[17:26:59.368]                   base::do.call(base::Sys.setenv, args = args)
[17:26:59.368]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:59.368]             }
[17:26:59.368]             else {
[17:26:59.368]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:59.368]             }
[17:26:59.368]             {
[17:26:59.368]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:59.368]                   0L) {
[17:26:59.368]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:59.368]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:59.368]                   base::options(opts)
[17:26:59.368]                 }
[17:26:59.368]                 {
[17:26:59.368]                   {
[17:26:59.368]                     NULL
[17:26:59.368]                     RNGkind("Mersenne-Twister")
[17:26:59.368]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:59.368]                       inherits = FALSE)
[17:26:59.368]                   }
[17:26:59.368]                   options(future.plan = NULL)
[17:26:59.368]                   if (is.na(NA_character_)) 
[17:26:59.368]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.368]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:59.368]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:59.368]                     .init = FALSE)
[17:26:59.368]                 }
[17:26:59.368]             }
[17:26:59.368]         }
[17:26:59.368]     })
[17:26:59.368]     if (TRUE) {
[17:26:59.368]         base::sink(type = "output", split = FALSE)
[17:26:59.368]         if (TRUE) {
[17:26:59.368]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:59.368]         }
[17:26:59.368]         else {
[17:26:59.368]             ...future.result["stdout"] <- base::list(NULL)
[17:26:59.368]         }
[17:26:59.368]         base::close(...future.stdout)
[17:26:59.368]         ...future.stdout <- NULL
[17:26:59.368]     }
[17:26:59.368]     ...future.result$conditions <- ...future.conditions
[17:26:59.368]     ...future.result$finished <- base::Sys.time()
[17:26:59.368]     ...future.result
[17:26:59.368] }
[17:26:59.372] assign_globals() ...
[17:26:59.372] List of 1
[17:26:59.372]  $ x: list()
[17:26:59.372]  - attr(*, "where")=List of 1
[17:26:59.372]   ..$ x:<environment: R_EmptyEnv> 
[17:26:59.372]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:26:59.372]  - attr(*, "resolved")= logi TRUE
[17:26:59.372]  - attr(*, "total_size")= num 0
[17:26:59.372]  - attr(*, "already-done")= logi TRUE
[17:26:59.375] - copied 'x' to environment
[17:26:59.375] assign_globals() ... done
[17:26:59.375] plan(): Setting new future strategy stack:
[17:26:59.375] List of future strategies:
[17:26:59.375] 1. sequential:
[17:26:59.375]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.375]    - tweaked: FALSE
[17:26:59.375]    - call: NULL
[17:26:59.376] plan(): nbrOfWorkers() = 1
[17:26:59.377] plan(): Setting new future strategy stack:
[17:26:59.377] List of future strategies:
[17:26:59.377] 1. sequential:
[17:26:59.377]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.377]    - tweaked: FALSE
[17:26:59.377]    - call: plan(strategy)
[17:26:59.378] plan(): nbrOfWorkers() = 1
[17:26:59.378] SequentialFuture started (and completed)
[17:26:59.378] - Launch lazy future ... done
[17:26:59.378] run() for 'SequentialFuture' ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:26:59.379] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:26:59.379] Searching for globals...
[17:26:59.382] - globals found: [6] '{', 'x', '<-', '[', '[<-', 'list'
[17:26:59.382] Searching for globals ... DONE
[17:26:59.382] Resolving globals: TRUE
[17:26:59.382] Resolving any globals that are futures ...
[17:26:59.382] - globals: [6] '{', 'x', '<-', '[', '[<-', 'list'
[17:26:59.383] Resolving any globals that are futures ... DONE
[17:26:59.383] Resolving futures part of globals (recursively) ...
[17:26:59.383] resolve() on list ...
[17:26:59.384]  recursive: 99
[17:26:59.384]  length: 1
[17:26:59.384]  elements: 'x'
[17:26:59.384]  length: 0 (resolved future 1)
[17:26:59.384] resolve() on list ... DONE
[17:26:59.384] - globals: [1] 'x'
[17:26:59.385] Resolving futures part of globals (recursively) ... DONE
[17:26:59.385] The total size of the 1 globals is 0 bytes (0 bytes)
[17:26:59.385] The total size of the 1 globals exported for future expression ('{; x["a"] <- list(1); x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:26:59.385] - globals: [1] 'x'
[17:26:59.386] 
[17:26:59.386] getGlobalsAndPackages() ... DONE
[17:26:59.386] run() for 'Future' ...
[17:26:59.386] - state: 'created'
[17:26:59.386] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:59.387] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:59.387] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:59.387]   - Field: 'label'
[17:26:59.387]   - Field: 'local'
[17:26:59.387]   - Field: 'owner'
[17:26:59.388]   - Field: 'envir'
[17:26:59.388]   - Field: 'packages'
[17:26:59.388]   - Field: 'gc'
[17:26:59.388]   - Field: 'conditions'
[17:26:59.388]   - Field: 'expr'
[17:26:59.388]   - Field: 'uuid'
[17:26:59.389]   - Field: 'seed'
[17:26:59.389]   - Field: 'version'
[17:26:59.389]   - Field: 'result'
[17:26:59.389]   - Field: 'asynchronous'
[17:26:59.389]   - Field: 'calls'
[17:26:59.389]   - Field: 'globals'
[17:26:59.390]   - Field: 'stdout'
[17:26:59.390]   - Field: 'earlySignal'
[17:26:59.390]   - Field: 'lazy'
[17:26:59.390]   - Field: 'state'
[17:26:59.390] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:59.390] - Launch lazy future ...
[17:26:59.391] Packages needed by the future expression (n = 0): <none>
[17:26:59.391] Packages needed by future strategies (n = 0): <none>
[17:26:59.391] {
[17:26:59.391]     {
[17:26:59.391]         {
[17:26:59.391]             ...future.startTime <- base::Sys.time()
[17:26:59.391]             {
[17:26:59.391]                 {
[17:26:59.391]                   {
[17:26:59.391]                     base::local({
[17:26:59.391]                       has_future <- base::requireNamespace("future", 
[17:26:59.391]                         quietly = TRUE)
[17:26:59.391]                       if (has_future) {
[17:26:59.391]                         ns <- base::getNamespace("future")
[17:26:59.391]                         version <- ns[[".package"]][["version"]]
[17:26:59.391]                         if (is.null(version)) 
[17:26:59.391]                           version <- utils::packageVersion("future")
[17:26:59.391]                       }
[17:26:59.391]                       else {
[17:26:59.391]                         version <- NULL
[17:26:59.391]                       }
[17:26:59.391]                       if (!has_future || version < "1.8.0") {
[17:26:59.391]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:59.391]                           "", base::R.version$version.string), 
[17:26:59.391]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:59.391]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:59.391]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:59.391]                             "release", "version")], collapse = " "), 
[17:26:59.391]                           hostname = base::Sys.info()[["nodename"]])
[17:26:59.391]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:59.391]                           info)
[17:26:59.391]                         info <- base::paste(info, collapse = "; ")
[17:26:59.391]                         if (!has_future) {
[17:26:59.391]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:59.391]                             info)
[17:26:59.391]                         }
[17:26:59.391]                         else {
[17:26:59.391]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:59.391]                             info, version)
[17:26:59.391]                         }
[17:26:59.391]                         base::stop(msg)
[17:26:59.391]                       }
[17:26:59.391]                     })
[17:26:59.391]                   }
[17:26:59.391]                   ...future.strategy.old <- future::plan("list")
[17:26:59.391]                   options(future.plan = NULL)
[17:26:59.391]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.391]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:59.391]                 }
[17:26:59.391]                 ...future.workdir <- getwd()
[17:26:59.391]             }
[17:26:59.391]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:59.391]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:59.391]         }
[17:26:59.391]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:26:59.391]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:59.391]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:26:59.391]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:26:59.391]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:59.391]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:59.391]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:59.391]             base::names(...future.oldOptions))
[17:26:59.391]     }
[17:26:59.391]     if (FALSE) {
[17:26:59.391]     }
[17:26:59.391]     else {
[17:26:59.391]         if (TRUE) {
[17:26:59.391]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:59.391]                 open = "w")
[17:26:59.391]         }
[17:26:59.391]         else {
[17:26:59.391]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:59.391]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:59.391]         }
[17:26:59.391]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:59.391]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:59.391]             base::sink(type = "output", split = FALSE)
[17:26:59.391]             base::close(...future.stdout)
[17:26:59.391]         }, add = TRUE)
[17:26:59.391]     }
[17:26:59.391]     ...future.frame <- base::sys.nframe()
[17:26:59.391]     ...future.conditions <- base::list()
[17:26:59.391]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:59.391]     if (FALSE) {
[17:26:59.391]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:59.391]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:59.391]     }
[17:26:59.391]     ...future.result <- base::tryCatch({
[17:26:59.391]         base::withCallingHandlers({
[17:26:59.391]             ...future.value <- base::withVisible(base::local({
[17:26:59.391]                 x["a"] <- list(1)
[17:26:59.391]                 x
[17:26:59.391]             }))
[17:26:59.391]             future::FutureResult(value = ...future.value$value, 
[17:26:59.391]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.391]                   ...future.rng), globalenv = if (FALSE) 
[17:26:59.391]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:59.391]                     ...future.globalenv.names))
[17:26:59.391]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:59.391]         }, condition = base::local({
[17:26:59.391]             c <- base::c
[17:26:59.391]             inherits <- base::inherits
[17:26:59.391]             invokeRestart <- base::invokeRestart
[17:26:59.391]             length <- base::length
[17:26:59.391]             list <- base::list
[17:26:59.391]             seq.int <- base::seq.int
[17:26:59.391]             signalCondition <- base::signalCondition
[17:26:59.391]             sys.calls <- base::sys.calls
[17:26:59.391]             `[[` <- base::`[[`
[17:26:59.391]             `+` <- base::`+`
[17:26:59.391]             `<<-` <- base::`<<-`
[17:26:59.391]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:59.391]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:59.391]                   3L)]
[17:26:59.391]             }
[17:26:59.391]             function(cond) {
[17:26:59.391]                 is_error <- inherits(cond, "error")
[17:26:59.391]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:59.391]                   NULL)
[17:26:59.391]                 if (is_error) {
[17:26:59.391]                   sessionInformation <- function() {
[17:26:59.391]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:59.391]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:59.391]                       search = base::search(), system = base::Sys.info())
[17:26:59.391]                   }
[17:26:59.391]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.391]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:59.391]                     cond$call), session = sessionInformation(), 
[17:26:59.391]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:59.391]                   signalCondition(cond)
[17:26:59.391]                 }
[17:26:59.391]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:59.391]                 "immediateCondition"))) {
[17:26:59.391]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:59.391]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.391]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:59.391]                   if (TRUE && !signal) {
[17:26:59.391]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.391]                     {
[17:26:59.391]                       inherits <- base::inherits
[17:26:59.391]                       invokeRestart <- base::invokeRestart
[17:26:59.391]                       is.null <- base::is.null
[17:26:59.391]                       muffled <- FALSE
[17:26:59.391]                       if (inherits(cond, "message")) {
[17:26:59.391]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.391]                         if (muffled) 
[17:26:59.391]                           invokeRestart("muffleMessage")
[17:26:59.391]                       }
[17:26:59.391]                       else if (inherits(cond, "warning")) {
[17:26:59.391]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.391]                         if (muffled) 
[17:26:59.391]                           invokeRestart("muffleWarning")
[17:26:59.391]                       }
[17:26:59.391]                       else if (inherits(cond, "condition")) {
[17:26:59.391]                         if (!is.null(pattern)) {
[17:26:59.391]                           computeRestarts <- base::computeRestarts
[17:26:59.391]                           grepl <- base::grepl
[17:26:59.391]                           restarts <- computeRestarts(cond)
[17:26:59.391]                           for (restart in restarts) {
[17:26:59.391]                             name <- restart$name
[17:26:59.391]                             if (is.null(name)) 
[17:26:59.391]                               next
[17:26:59.391]                             if (!grepl(pattern, name)) 
[17:26:59.391]                               next
[17:26:59.391]                             invokeRestart(restart)
[17:26:59.391]                             muffled <- TRUE
[17:26:59.391]                             break
[17:26:59.391]                           }
[17:26:59.391]                         }
[17:26:59.391]                       }
[17:26:59.391]                       invisible(muffled)
[17:26:59.391]                     }
[17:26:59.391]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.391]                   }
[17:26:59.391]                 }
[17:26:59.391]                 else {
[17:26:59.391]                   if (TRUE) {
[17:26:59.391]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.391]                     {
[17:26:59.391]                       inherits <- base::inherits
[17:26:59.391]                       invokeRestart <- base::invokeRestart
[17:26:59.391]                       is.null <- base::is.null
[17:26:59.391]                       muffled <- FALSE
[17:26:59.391]                       if (inherits(cond, "message")) {
[17:26:59.391]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.391]                         if (muffled) 
[17:26:59.391]                           invokeRestart("muffleMessage")
[17:26:59.391]                       }
[17:26:59.391]                       else if (inherits(cond, "warning")) {
[17:26:59.391]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.391]                         if (muffled) 
[17:26:59.391]                           invokeRestart("muffleWarning")
[17:26:59.391]                       }
[17:26:59.391]                       else if (inherits(cond, "condition")) {
[17:26:59.391]                         if (!is.null(pattern)) {
[17:26:59.391]                           computeRestarts <- base::computeRestarts
[17:26:59.391]                           grepl <- base::grepl
[17:26:59.391]                           restarts <- computeRestarts(cond)
[17:26:59.391]                           for (restart in restarts) {
[17:26:59.391]                             name <- restart$name
[17:26:59.391]                             if (is.null(name)) 
[17:26:59.391]                               next
[17:26:59.391]                             if (!grepl(pattern, name)) 
[17:26:59.391]                               next
[17:26:59.391]                             invokeRestart(restart)
[17:26:59.391]                             muffled <- TRUE
[17:26:59.391]                             break
[17:26:59.391]                           }
[17:26:59.391]                         }
[17:26:59.391]                       }
[17:26:59.391]                       invisible(muffled)
[17:26:59.391]                     }
[17:26:59.391]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.391]                   }
[17:26:59.391]                 }
[17:26:59.391]             }
[17:26:59.391]         }))
[17:26:59.391]     }, error = function(ex) {
[17:26:59.391]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:59.391]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.391]                 ...future.rng), started = ...future.startTime, 
[17:26:59.391]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:59.391]             version = "1.8"), class = "FutureResult")
[17:26:59.391]     }, finally = {
[17:26:59.391]         if (!identical(...future.workdir, getwd())) 
[17:26:59.391]             setwd(...future.workdir)
[17:26:59.391]         {
[17:26:59.391]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:59.391]                 ...future.oldOptions$nwarnings <- NULL
[17:26:59.391]             }
[17:26:59.391]             base::options(...future.oldOptions)
[17:26:59.391]             if (.Platform$OS.type == "windows") {
[17:26:59.391]                 old_names <- names(...future.oldEnvVars)
[17:26:59.391]                 envs <- base::Sys.getenv()
[17:26:59.391]                 names <- names(envs)
[17:26:59.391]                 common <- intersect(names, old_names)
[17:26:59.391]                 added <- setdiff(names, old_names)
[17:26:59.391]                 removed <- setdiff(old_names, names)
[17:26:59.391]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:59.391]                   envs[common]]
[17:26:59.391]                 NAMES <- toupper(changed)
[17:26:59.391]                 args <- list()
[17:26:59.391]                 for (kk in seq_along(NAMES)) {
[17:26:59.391]                   name <- changed[[kk]]
[17:26:59.391]                   NAME <- NAMES[[kk]]
[17:26:59.391]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.391]                     next
[17:26:59.391]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.391]                 }
[17:26:59.391]                 NAMES <- toupper(added)
[17:26:59.391]                 for (kk in seq_along(NAMES)) {
[17:26:59.391]                   name <- added[[kk]]
[17:26:59.391]                   NAME <- NAMES[[kk]]
[17:26:59.391]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.391]                     next
[17:26:59.391]                   args[[name]] <- ""
[17:26:59.391]                 }
[17:26:59.391]                 NAMES <- toupper(removed)
[17:26:59.391]                 for (kk in seq_along(NAMES)) {
[17:26:59.391]                   name <- removed[[kk]]
[17:26:59.391]                   NAME <- NAMES[[kk]]
[17:26:59.391]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.391]                     next
[17:26:59.391]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.391]                 }
[17:26:59.391]                 if (length(args) > 0) 
[17:26:59.391]                   base::do.call(base::Sys.setenv, args = args)
[17:26:59.391]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:59.391]             }
[17:26:59.391]             else {
[17:26:59.391]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:59.391]             }
[17:26:59.391]             {
[17:26:59.391]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:59.391]                   0L) {
[17:26:59.391]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:59.391]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:59.391]                   base::options(opts)
[17:26:59.391]                 }
[17:26:59.391]                 {
[17:26:59.391]                   {
[17:26:59.391]                     NULL
[17:26:59.391]                     RNGkind("Mersenne-Twister")
[17:26:59.391]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:59.391]                       inherits = FALSE)
[17:26:59.391]                   }
[17:26:59.391]                   options(future.plan = NULL)
[17:26:59.391]                   if (is.na(NA_character_)) 
[17:26:59.391]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.391]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:59.391]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:59.391]                     .init = FALSE)
[17:26:59.391]                 }
[17:26:59.391]             }
[17:26:59.391]         }
[17:26:59.391]     })
[17:26:59.391]     if (TRUE) {
[17:26:59.391]         base::sink(type = "output", split = FALSE)
[17:26:59.391]         if (TRUE) {
[17:26:59.391]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:59.391]         }
[17:26:59.391]         else {
[17:26:59.391]             ...future.result["stdout"] <- base::list(NULL)
[17:26:59.391]         }
[17:26:59.391]         base::close(...future.stdout)
[17:26:59.391]         ...future.stdout <- NULL
[17:26:59.391]     }
[17:26:59.391]     ...future.result$conditions <- ...future.conditions
[17:26:59.391]     ...future.result$finished <- base::Sys.time()
[17:26:59.391]     ...future.result
[17:26:59.391] }
[17:26:59.395] assign_globals() ...
[17:26:59.395] List of 1
[17:26:59.395]  $ x: list()
[17:26:59.395]  - attr(*, "where")=List of 1
[17:26:59.395]   ..$ x:<environment: R_EmptyEnv> 
[17:26:59.395]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:26:59.395]  - attr(*, "resolved")= logi TRUE
[17:26:59.395]  - attr(*, "total_size")= num 0
[17:26:59.395]  - attr(*, "already-done")= logi TRUE
[17:26:59.398] - copied 'x' to environment
[17:26:59.398] assign_globals() ... done
[17:26:59.399] plan(): Setting new future strategy stack:
[17:26:59.399] List of future strategies:
[17:26:59.399] 1. sequential:
[17:26:59.399]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.399]    - tweaked: FALSE
[17:26:59.399]    - call: NULL
[17:26:59.399] plan(): nbrOfWorkers() = 1
[17:26:59.400] plan(): Setting new future strategy stack:
[17:26:59.402] List of future strategies:
[17:26:59.402] 1. sequential:
[17:26:59.402]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.402]    - tweaked: FALSE
[17:26:59.402]    - call: plan(strategy)
[17:26:59.402] plan(): nbrOfWorkers() = 1
[17:26:59.402] SequentialFuture started (and completed)
[17:26:59.403] - Launch lazy future ... done
[17:26:59.403] run() for 'SequentialFuture' ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:26:59.403] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:26:59.404] Searching for globals...
[17:26:59.406] - globals found: [6] '{', 'x', '<-', '[', '[<-', 'list'
[17:26:59.406] Searching for globals ... DONE
[17:26:59.406] Resolving globals: TRUE
[17:26:59.407] Resolving any globals that are futures ...
[17:26:59.407] - globals: [6] '{', 'x', '<-', '[', '[<-', 'list'
[17:26:59.407] Resolving any globals that are futures ... DONE
[17:26:59.407] Resolving futures part of globals (recursively) ...
[17:26:59.408] resolve() on list ...
[17:26:59.408]  recursive: 99
[17:26:59.408]  length: 1
[17:26:59.408]  elements: 'x'
[17:26:59.408]  length: 0 (resolved future 1)
[17:26:59.409] resolve() on list ... DONE
[17:26:59.409] - globals: [1] 'x'
[17:26:59.409] Resolving futures part of globals (recursively) ... DONE
[17:26:59.409] The total size of the 1 globals is 0 bytes (0 bytes)
[17:26:59.410] The total size of the 1 globals exported for future expression ('{; x["a"] <- list(1); x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:26:59.410] - globals: [1] 'x'
[17:26:59.410] 
[17:26:59.410] getGlobalsAndPackages() ... DONE
[17:26:59.410] run() for 'Future' ...
[17:26:59.411] - state: 'created'
[17:26:59.411] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:59.411] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:59.411] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:59.411]   - Field: 'label'
[17:26:59.412]   - Field: 'local'
[17:26:59.412]   - Field: 'owner'
[17:26:59.412]   - Field: 'envir'
[17:26:59.412]   - Field: 'packages'
[17:26:59.412]   - Field: 'gc'
[17:26:59.413]   - Field: 'conditions'
[17:26:59.413]   - Field: 'expr'
[17:26:59.413]   - Field: 'uuid'
[17:26:59.413]   - Field: 'seed'
[17:26:59.413]   - Field: 'version'
[17:26:59.413]   - Field: 'result'
[17:26:59.414]   - Field: 'asynchronous'
[17:26:59.414]   - Field: 'calls'
[17:26:59.414]   - Field: 'globals'
[17:26:59.414]   - Field: 'stdout'
[17:26:59.414]   - Field: 'earlySignal'
[17:26:59.414]   - Field: 'lazy'
[17:26:59.415]   - Field: 'state'
[17:26:59.415] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:59.415] - Launch lazy future ...
[17:26:59.415] Packages needed by the future expression (n = 0): <none>
[17:26:59.415] Packages needed by future strategies (n = 0): <none>
[17:26:59.416] {
[17:26:59.416]     {
[17:26:59.416]         {
[17:26:59.416]             ...future.startTime <- base::Sys.time()
[17:26:59.416]             {
[17:26:59.416]                 {
[17:26:59.416]                   {
[17:26:59.416]                     base::local({
[17:26:59.416]                       has_future <- base::requireNamespace("future", 
[17:26:59.416]                         quietly = TRUE)
[17:26:59.416]                       if (has_future) {
[17:26:59.416]                         ns <- base::getNamespace("future")
[17:26:59.416]                         version <- ns[[".package"]][["version"]]
[17:26:59.416]                         if (is.null(version)) 
[17:26:59.416]                           version <- utils::packageVersion("future")
[17:26:59.416]                       }
[17:26:59.416]                       else {
[17:26:59.416]                         version <- NULL
[17:26:59.416]                       }
[17:26:59.416]                       if (!has_future || version < "1.8.0") {
[17:26:59.416]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:59.416]                           "", base::R.version$version.string), 
[17:26:59.416]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:59.416]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:59.416]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:59.416]                             "release", "version")], collapse = " "), 
[17:26:59.416]                           hostname = base::Sys.info()[["nodename"]])
[17:26:59.416]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:59.416]                           info)
[17:26:59.416]                         info <- base::paste(info, collapse = "; ")
[17:26:59.416]                         if (!has_future) {
[17:26:59.416]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:59.416]                             info)
[17:26:59.416]                         }
[17:26:59.416]                         else {
[17:26:59.416]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:59.416]                             info, version)
[17:26:59.416]                         }
[17:26:59.416]                         base::stop(msg)
[17:26:59.416]                       }
[17:26:59.416]                     })
[17:26:59.416]                   }
[17:26:59.416]                   ...future.strategy.old <- future::plan("list")
[17:26:59.416]                   options(future.plan = NULL)
[17:26:59.416]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.416]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:59.416]                 }
[17:26:59.416]                 ...future.workdir <- getwd()
[17:26:59.416]             }
[17:26:59.416]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:59.416]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:59.416]         }
[17:26:59.416]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:26:59.416]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:59.416]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:26:59.416]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:26:59.416]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:59.416]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:59.416]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:59.416]             base::names(...future.oldOptions))
[17:26:59.416]     }
[17:26:59.416]     if (FALSE) {
[17:26:59.416]     }
[17:26:59.416]     else {
[17:26:59.416]         if (TRUE) {
[17:26:59.416]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:59.416]                 open = "w")
[17:26:59.416]         }
[17:26:59.416]         else {
[17:26:59.416]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:59.416]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:59.416]         }
[17:26:59.416]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:59.416]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:59.416]             base::sink(type = "output", split = FALSE)
[17:26:59.416]             base::close(...future.stdout)
[17:26:59.416]         }, add = TRUE)
[17:26:59.416]     }
[17:26:59.416]     ...future.frame <- base::sys.nframe()
[17:26:59.416]     ...future.conditions <- base::list()
[17:26:59.416]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:59.416]     if (FALSE) {
[17:26:59.416]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:59.416]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:59.416]     }
[17:26:59.416]     ...future.result <- base::tryCatch({
[17:26:59.416]         base::withCallingHandlers({
[17:26:59.416]             ...future.value <- base::withVisible(base::local({
[17:26:59.416]                 x["a"] <- list(1)
[17:26:59.416]                 x
[17:26:59.416]             }))
[17:26:59.416]             future::FutureResult(value = ...future.value$value, 
[17:26:59.416]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.416]                   ...future.rng), globalenv = if (FALSE) 
[17:26:59.416]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:59.416]                     ...future.globalenv.names))
[17:26:59.416]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:59.416]         }, condition = base::local({
[17:26:59.416]             c <- base::c
[17:26:59.416]             inherits <- base::inherits
[17:26:59.416]             invokeRestart <- base::invokeRestart
[17:26:59.416]             length <- base::length
[17:26:59.416]             list <- base::list
[17:26:59.416]             seq.int <- base::seq.int
[17:26:59.416]             signalCondition <- base::signalCondition
[17:26:59.416]             sys.calls <- base::sys.calls
[17:26:59.416]             `[[` <- base::`[[`
[17:26:59.416]             `+` <- base::`+`
[17:26:59.416]             `<<-` <- base::`<<-`
[17:26:59.416]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:59.416]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:59.416]                   3L)]
[17:26:59.416]             }
[17:26:59.416]             function(cond) {
[17:26:59.416]                 is_error <- inherits(cond, "error")
[17:26:59.416]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:59.416]                   NULL)
[17:26:59.416]                 if (is_error) {
[17:26:59.416]                   sessionInformation <- function() {
[17:26:59.416]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:59.416]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:59.416]                       search = base::search(), system = base::Sys.info())
[17:26:59.416]                   }
[17:26:59.416]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.416]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:59.416]                     cond$call), session = sessionInformation(), 
[17:26:59.416]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:59.416]                   signalCondition(cond)
[17:26:59.416]                 }
[17:26:59.416]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:59.416]                 "immediateCondition"))) {
[17:26:59.416]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:59.416]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.416]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:59.416]                   if (TRUE && !signal) {
[17:26:59.416]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.416]                     {
[17:26:59.416]                       inherits <- base::inherits
[17:26:59.416]                       invokeRestart <- base::invokeRestart
[17:26:59.416]                       is.null <- base::is.null
[17:26:59.416]                       muffled <- FALSE
[17:26:59.416]                       if (inherits(cond, "message")) {
[17:26:59.416]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.416]                         if (muffled) 
[17:26:59.416]                           invokeRestart("muffleMessage")
[17:26:59.416]                       }
[17:26:59.416]                       else if (inherits(cond, "warning")) {
[17:26:59.416]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.416]                         if (muffled) 
[17:26:59.416]                           invokeRestart("muffleWarning")
[17:26:59.416]                       }
[17:26:59.416]                       else if (inherits(cond, "condition")) {
[17:26:59.416]                         if (!is.null(pattern)) {
[17:26:59.416]                           computeRestarts <- base::computeRestarts
[17:26:59.416]                           grepl <- base::grepl
[17:26:59.416]                           restarts <- computeRestarts(cond)
[17:26:59.416]                           for (restart in restarts) {
[17:26:59.416]                             name <- restart$name
[17:26:59.416]                             if (is.null(name)) 
[17:26:59.416]                               next
[17:26:59.416]                             if (!grepl(pattern, name)) 
[17:26:59.416]                               next
[17:26:59.416]                             invokeRestart(restart)
[17:26:59.416]                             muffled <- TRUE
[17:26:59.416]                             break
[17:26:59.416]                           }
[17:26:59.416]                         }
[17:26:59.416]                       }
[17:26:59.416]                       invisible(muffled)
[17:26:59.416]                     }
[17:26:59.416]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.416]                   }
[17:26:59.416]                 }
[17:26:59.416]                 else {
[17:26:59.416]                   if (TRUE) {
[17:26:59.416]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.416]                     {
[17:26:59.416]                       inherits <- base::inherits
[17:26:59.416]                       invokeRestart <- base::invokeRestart
[17:26:59.416]                       is.null <- base::is.null
[17:26:59.416]                       muffled <- FALSE
[17:26:59.416]                       if (inherits(cond, "message")) {
[17:26:59.416]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.416]                         if (muffled) 
[17:26:59.416]                           invokeRestart("muffleMessage")
[17:26:59.416]                       }
[17:26:59.416]                       else if (inherits(cond, "warning")) {
[17:26:59.416]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.416]                         if (muffled) 
[17:26:59.416]                           invokeRestart("muffleWarning")
[17:26:59.416]                       }
[17:26:59.416]                       else if (inherits(cond, "condition")) {
[17:26:59.416]                         if (!is.null(pattern)) {
[17:26:59.416]                           computeRestarts <- base::computeRestarts
[17:26:59.416]                           grepl <- base::grepl
[17:26:59.416]                           restarts <- computeRestarts(cond)
[17:26:59.416]                           for (restart in restarts) {
[17:26:59.416]                             name <- restart$name
[17:26:59.416]                             if (is.null(name)) 
[17:26:59.416]                               next
[17:26:59.416]                             if (!grepl(pattern, name)) 
[17:26:59.416]                               next
[17:26:59.416]                             invokeRestart(restart)
[17:26:59.416]                             muffled <- TRUE
[17:26:59.416]                             break
[17:26:59.416]                           }
[17:26:59.416]                         }
[17:26:59.416]                       }
[17:26:59.416]                       invisible(muffled)
[17:26:59.416]                     }
[17:26:59.416]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.416]                   }
[17:26:59.416]                 }
[17:26:59.416]             }
[17:26:59.416]         }))
[17:26:59.416]     }, error = function(ex) {
[17:26:59.416]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:59.416]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.416]                 ...future.rng), started = ...future.startTime, 
[17:26:59.416]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:59.416]             version = "1.8"), class = "FutureResult")
[17:26:59.416]     }, finally = {
[17:26:59.416]         if (!identical(...future.workdir, getwd())) 
[17:26:59.416]             setwd(...future.workdir)
[17:26:59.416]         {
[17:26:59.416]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:59.416]                 ...future.oldOptions$nwarnings <- NULL
[17:26:59.416]             }
[17:26:59.416]             base::options(...future.oldOptions)
[17:26:59.416]             if (.Platform$OS.type == "windows") {
[17:26:59.416]                 old_names <- names(...future.oldEnvVars)
[17:26:59.416]                 envs <- base::Sys.getenv()
[17:26:59.416]                 names <- names(envs)
[17:26:59.416]                 common <- intersect(names, old_names)
[17:26:59.416]                 added <- setdiff(names, old_names)
[17:26:59.416]                 removed <- setdiff(old_names, names)
[17:26:59.416]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:59.416]                   envs[common]]
[17:26:59.416]                 NAMES <- toupper(changed)
[17:26:59.416]                 args <- list()
[17:26:59.416]                 for (kk in seq_along(NAMES)) {
[17:26:59.416]                   name <- changed[[kk]]
[17:26:59.416]                   NAME <- NAMES[[kk]]
[17:26:59.416]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.416]                     next
[17:26:59.416]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.416]                 }
[17:26:59.416]                 NAMES <- toupper(added)
[17:26:59.416]                 for (kk in seq_along(NAMES)) {
[17:26:59.416]                   name <- added[[kk]]
[17:26:59.416]                   NAME <- NAMES[[kk]]
[17:26:59.416]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.416]                     next
[17:26:59.416]                   args[[name]] <- ""
[17:26:59.416]                 }
[17:26:59.416]                 NAMES <- toupper(removed)
[17:26:59.416]                 for (kk in seq_along(NAMES)) {
[17:26:59.416]                   name <- removed[[kk]]
[17:26:59.416]                   NAME <- NAMES[[kk]]
[17:26:59.416]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.416]                     next
[17:26:59.416]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.416]                 }
[17:26:59.416]                 if (length(args) > 0) 
[17:26:59.416]                   base::do.call(base::Sys.setenv, args = args)
[17:26:59.416]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:59.416]             }
[17:26:59.416]             else {
[17:26:59.416]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:59.416]             }
[17:26:59.416]             {
[17:26:59.416]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:59.416]                   0L) {
[17:26:59.416]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:59.416]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:59.416]                   base::options(opts)
[17:26:59.416]                 }
[17:26:59.416]                 {
[17:26:59.416]                   {
[17:26:59.416]                     NULL
[17:26:59.416]                     RNGkind("Mersenne-Twister")
[17:26:59.416]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:59.416]                       inherits = FALSE)
[17:26:59.416]                   }
[17:26:59.416]                   options(future.plan = NULL)
[17:26:59.416]                   if (is.na(NA_character_)) 
[17:26:59.416]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.416]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:59.416]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:59.416]                     .init = FALSE)
[17:26:59.416]                 }
[17:26:59.416]             }
[17:26:59.416]         }
[17:26:59.416]     })
[17:26:59.416]     if (TRUE) {
[17:26:59.416]         base::sink(type = "output", split = FALSE)
[17:26:59.416]         if (TRUE) {
[17:26:59.416]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:59.416]         }
[17:26:59.416]         else {
[17:26:59.416]             ...future.result["stdout"] <- base::list(NULL)
[17:26:59.416]         }
[17:26:59.416]         base::close(...future.stdout)
[17:26:59.416]         ...future.stdout <- NULL
[17:26:59.416]     }
[17:26:59.416]     ...future.result$conditions <- ...future.conditions
[17:26:59.416]     ...future.result$finished <- base::Sys.time()
[17:26:59.416]     ...future.result
[17:26:59.416] }
[17:26:59.420] assign_globals() ...
[17:26:59.420] List of 1
[17:26:59.420]  $ x: list()
[17:26:59.420]  - attr(*, "where")=List of 1
[17:26:59.420]   ..$ x:<environment: R_EmptyEnv> 
[17:26:59.420]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:26:59.420]  - attr(*, "resolved")= logi TRUE
[17:26:59.420]  - attr(*, "total_size")= num 0
[17:26:59.420]  - attr(*, "already-done")= logi TRUE
[17:26:59.422] - copied 'x' to environment
[17:26:59.423] assign_globals() ... done
[17:26:59.423] plan(): Setting new future strategy stack:
[17:26:59.423] List of future strategies:
[17:26:59.423] 1. sequential:
[17:26:59.423]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.423]    - tweaked: FALSE
[17:26:59.423]    - call: NULL
[17:26:59.424] plan(): nbrOfWorkers() = 1
[17:26:59.425] plan(): Setting new future strategy stack:
[17:26:59.425] List of future strategies:
[17:26:59.425] 1. sequential:
[17:26:59.425]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.425]    - tweaked: FALSE
[17:26:59.425]    - call: plan(strategy)
[17:26:59.426] plan(): nbrOfWorkers() = 1
[17:26:59.426] SequentialFuture started (and completed)
[17:26:59.426] - Launch lazy future ... done
[17:26:59.426] run() for 'SequentialFuture' ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:26:59.427] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:26:59.427] Searching for globals...
[17:26:59.431] - globals found: [6] '{', 'x', '<-', '[', '[<-', 'list'
[17:26:59.431] Searching for globals ... DONE
[17:26:59.431] Resolving globals: TRUE
[17:26:59.431] Resolving any globals that are futures ...
[17:26:59.431] - globals: [6] '{', 'x', '<-', '[', '[<-', 'list'
[17:26:59.431] Resolving any globals that are futures ... DONE
[17:26:59.432] Resolving futures part of globals (recursively) ...
[17:26:59.432] resolve() on list ...
[17:26:59.432]  recursive: 99
[17:26:59.433]  length: 1
[17:26:59.433]  elements: 'x'
[17:26:59.433]  length: 0 (resolved future 1)
[17:26:59.433] resolve() on list ... DONE
[17:26:59.433] - globals: [1] 'x'
[17:26:59.433] Resolving futures part of globals (recursively) ... DONE
[17:26:59.434] The total size of the 1 globals is 0 bytes (0 bytes)
[17:26:59.434] The total size of the 1 globals exported for future expression ('{; x["a"] <- list(1); x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:26:59.434] - globals: [1] 'x'
[17:26:59.434] 
[17:26:59.435] getGlobalsAndPackages() ... DONE
[17:26:59.435] run() for 'Future' ...
[17:26:59.435] - state: 'created'
[17:26:59.435] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:59.436] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:59.436] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:59.436]   - Field: 'label'
[17:26:59.436]   - Field: 'local'
[17:26:59.436]   - Field: 'owner'
[17:26:59.436]   - Field: 'envir'
[17:26:59.437]   - Field: 'packages'
[17:26:59.437]   - Field: 'gc'
[17:26:59.437]   - Field: 'conditions'
[17:26:59.437]   - Field: 'expr'
[17:26:59.437]   - Field: 'uuid'
[17:26:59.438]   - Field: 'seed'
[17:26:59.438]   - Field: 'version'
[17:26:59.438]   - Field: 'result'
[17:26:59.438]   - Field: 'asynchronous'
[17:26:59.438]   - Field: 'calls'
[17:26:59.438]   - Field: 'globals'
[17:26:59.439]   - Field: 'stdout'
[17:26:59.439]   - Field: 'earlySignal'
[17:26:59.439]   - Field: 'lazy'
[17:26:59.439]   - Field: 'state'
[17:26:59.439] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:59.439] - Launch lazy future ...
[17:26:59.440] Packages needed by the future expression (n = 0): <none>
[17:26:59.440] Packages needed by future strategies (n = 0): <none>
[17:26:59.440] {
[17:26:59.440]     {
[17:26:59.440]         {
[17:26:59.440]             ...future.startTime <- base::Sys.time()
[17:26:59.440]             {
[17:26:59.440]                 {
[17:26:59.440]                   {
[17:26:59.440]                     base::local({
[17:26:59.440]                       has_future <- base::requireNamespace("future", 
[17:26:59.440]                         quietly = TRUE)
[17:26:59.440]                       if (has_future) {
[17:26:59.440]                         ns <- base::getNamespace("future")
[17:26:59.440]                         version <- ns[[".package"]][["version"]]
[17:26:59.440]                         if (is.null(version)) 
[17:26:59.440]                           version <- utils::packageVersion("future")
[17:26:59.440]                       }
[17:26:59.440]                       else {
[17:26:59.440]                         version <- NULL
[17:26:59.440]                       }
[17:26:59.440]                       if (!has_future || version < "1.8.0") {
[17:26:59.440]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:59.440]                           "", base::R.version$version.string), 
[17:26:59.440]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:59.440]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:59.440]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:59.440]                             "release", "version")], collapse = " "), 
[17:26:59.440]                           hostname = base::Sys.info()[["nodename"]])
[17:26:59.440]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:59.440]                           info)
[17:26:59.440]                         info <- base::paste(info, collapse = "; ")
[17:26:59.440]                         if (!has_future) {
[17:26:59.440]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:59.440]                             info)
[17:26:59.440]                         }
[17:26:59.440]                         else {
[17:26:59.440]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:59.440]                             info, version)
[17:26:59.440]                         }
[17:26:59.440]                         base::stop(msg)
[17:26:59.440]                       }
[17:26:59.440]                     })
[17:26:59.440]                   }
[17:26:59.440]                   ...future.strategy.old <- future::plan("list")
[17:26:59.440]                   options(future.plan = NULL)
[17:26:59.440]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.440]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:59.440]                 }
[17:26:59.440]                 ...future.workdir <- getwd()
[17:26:59.440]             }
[17:26:59.440]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:59.440]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:59.440]         }
[17:26:59.440]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:26:59.440]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:59.440]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:26:59.440]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:26:59.440]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:59.440]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:59.440]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:59.440]             base::names(...future.oldOptions))
[17:26:59.440]     }
[17:26:59.440]     if (FALSE) {
[17:26:59.440]     }
[17:26:59.440]     else {
[17:26:59.440]         if (TRUE) {
[17:26:59.440]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:59.440]                 open = "w")
[17:26:59.440]         }
[17:26:59.440]         else {
[17:26:59.440]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:59.440]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:59.440]         }
[17:26:59.440]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:59.440]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:59.440]             base::sink(type = "output", split = FALSE)
[17:26:59.440]             base::close(...future.stdout)
[17:26:59.440]         }, add = TRUE)
[17:26:59.440]     }
[17:26:59.440]     ...future.frame <- base::sys.nframe()
[17:26:59.440]     ...future.conditions <- base::list()
[17:26:59.440]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:59.440]     if (FALSE) {
[17:26:59.440]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:59.440]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:59.440]     }
[17:26:59.440]     ...future.result <- base::tryCatch({
[17:26:59.440]         base::withCallingHandlers({
[17:26:59.440]             ...future.value <- base::withVisible(base::local({
[17:26:59.440]                 x["a"] <- list(1)
[17:26:59.440]                 x
[17:26:59.440]             }))
[17:26:59.440]             future::FutureResult(value = ...future.value$value, 
[17:26:59.440]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.440]                   ...future.rng), globalenv = if (FALSE) 
[17:26:59.440]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:59.440]                     ...future.globalenv.names))
[17:26:59.440]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:59.440]         }, condition = base::local({
[17:26:59.440]             c <- base::c
[17:26:59.440]             inherits <- base::inherits
[17:26:59.440]             invokeRestart <- base::invokeRestart
[17:26:59.440]             length <- base::length
[17:26:59.440]             list <- base::list
[17:26:59.440]             seq.int <- base::seq.int
[17:26:59.440]             signalCondition <- base::signalCondition
[17:26:59.440]             sys.calls <- base::sys.calls
[17:26:59.440]             `[[` <- base::`[[`
[17:26:59.440]             `+` <- base::`+`
[17:26:59.440]             `<<-` <- base::`<<-`
[17:26:59.440]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:59.440]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:59.440]                   3L)]
[17:26:59.440]             }
[17:26:59.440]             function(cond) {
[17:26:59.440]                 is_error <- inherits(cond, "error")
[17:26:59.440]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:59.440]                   NULL)
[17:26:59.440]                 if (is_error) {
[17:26:59.440]                   sessionInformation <- function() {
[17:26:59.440]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:59.440]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:59.440]                       search = base::search(), system = base::Sys.info())
[17:26:59.440]                   }
[17:26:59.440]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.440]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:59.440]                     cond$call), session = sessionInformation(), 
[17:26:59.440]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:59.440]                   signalCondition(cond)
[17:26:59.440]                 }
[17:26:59.440]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:59.440]                 "immediateCondition"))) {
[17:26:59.440]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:59.440]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.440]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:59.440]                   if (TRUE && !signal) {
[17:26:59.440]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.440]                     {
[17:26:59.440]                       inherits <- base::inherits
[17:26:59.440]                       invokeRestart <- base::invokeRestart
[17:26:59.440]                       is.null <- base::is.null
[17:26:59.440]                       muffled <- FALSE
[17:26:59.440]                       if (inherits(cond, "message")) {
[17:26:59.440]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.440]                         if (muffled) 
[17:26:59.440]                           invokeRestart("muffleMessage")
[17:26:59.440]                       }
[17:26:59.440]                       else if (inherits(cond, "warning")) {
[17:26:59.440]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.440]                         if (muffled) 
[17:26:59.440]                           invokeRestart("muffleWarning")
[17:26:59.440]                       }
[17:26:59.440]                       else if (inherits(cond, "condition")) {
[17:26:59.440]                         if (!is.null(pattern)) {
[17:26:59.440]                           computeRestarts <- base::computeRestarts
[17:26:59.440]                           grepl <- base::grepl
[17:26:59.440]                           restarts <- computeRestarts(cond)
[17:26:59.440]                           for (restart in restarts) {
[17:26:59.440]                             name <- restart$name
[17:26:59.440]                             if (is.null(name)) 
[17:26:59.440]                               next
[17:26:59.440]                             if (!grepl(pattern, name)) 
[17:26:59.440]                               next
[17:26:59.440]                             invokeRestart(restart)
[17:26:59.440]                             muffled <- TRUE
[17:26:59.440]                             break
[17:26:59.440]                           }
[17:26:59.440]                         }
[17:26:59.440]                       }
[17:26:59.440]                       invisible(muffled)
[17:26:59.440]                     }
[17:26:59.440]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.440]                   }
[17:26:59.440]                 }
[17:26:59.440]                 else {
[17:26:59.440]                   if (TRUE) {
[17:26:59.440]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.440]                     {
[17:26:59.440]                       inherits <- base::inherits
[17:26:59.440]                       invokeRestart <- base::invokeRestart
[17:26:59.440]                       is.null <- base::is.null
[17:26:59.440]                       muffled <- FALSE
[17:26:59.440]                       if (inherits(cond, "message")) {
[17:26:59.440]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.440]                         if (muffled) 
[17:26:59.440]                           invokeRestart("muffleMessage")
[17:26:59.440]                       }
[17:26:59.440]                       else if (inherits(cond, "warning")) {
[17:26:59.440]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.440]                         if (muffled) 
[17:26:59.440]                           invokeRestart("muffleWarning")
[17:26:59.440]                       }
[17:26:59.440]                       else if (inherits(cond, "condition")) {
[17:26:59.440]                         if (!is.null(pattern)) {
[17:26:59.440]                           computeRestarts <- base::computeRestarts
[17:26:59.440]                           grepl <- base::grepl
[17:26:59.440]                           restarts <- computeRestarts(cond)
[17:26:59.440]                           for (restart in restarts) {
[17:26:59.440]                             name <- restart$name
[17:26:59.440]                             if (is.null(name)) 
[17:26:59.440]                               next
[17:26:59.440]                             if (!grepl(pattern, name)) 
[17:26:59.440]                               next
[17:26:59.440]                             invokeRestart(restart)
[17:26:59.440]                             muffled <- TRUE
[17:26:59.440]                             break
[17:26:59.440]                           }
[17:26:59.440]                         }
[17:26:59.440]                       }
[17:26:59.440]                       invisible(muffled)
[17:26:59.440]                     }
[17:26:59.440]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.440]                   }
[17:26:59.440]                 }
[17:26:59.440]             }
[17:26:59.440]         }))
[17:26:59.440]     }, error = function(ex) {
[17:26:59.440]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:59.440]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.440]                 ...future.rng), started = ...future.startTime, 
[17:26:59.440]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:59.440]             version = "1.8"), class = "FutureResult")
[17:26:59.440]     }, finally = {
[17:26:59.440]         if (!identical(...future.workdir, getwd())) 
[17:26:59.440]             setwd(...future.workdir)
[17:26:59.440]         {
[17:26:59.440]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:59.440]                 ...future.oldOptions$nwarnings <- NULL
[17:26:59.440]             }
[17:26:59.440]             base::options(...future.oldOptions)
[17:26:59.440]             if (.Platform$OS.type == "windows") {
[17:26:59.440]                 old_names <- names(...future.oldEnvVars)
[17:26:59.440]                 envs <- base::Sys.getenv()
[17:26:59.440]                 names <- names(envs)
[17:26:59.440]                 common <- intersect(names, old_names)
[17:26:59.440]                 added <- setdiff(names, old_names)
[17:26:59.440]                 removed <- setdiff(old_names, names)
[17:26:59.440]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:59.440]                   envs[common]]
[17:26:59.440]                 NAMES <- toupper(changed)
[17:26:59.440]                 args <- list()
[17:26:59.440]                 for (kk in seq_along(NAMES)) {
[17:26:59.440]                   name <- changed[[kk]]
[17:26:59.440]                   NAME <- NAMES[[kk]]
[17:26:59.440]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.440]                     next
[17:26:59.440]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.440]                 }
[17:26:59.440]                 NAMES <- toupper(added)
[17:26:59.440]                 for (kk in seq_along(NAMES)) {
[17:26:59.440]                   name <- added[[kk]]
[17:26:59.440]                   NAME <- NAMES[[kk]]
[17:26:59.440]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.440]                     next
[17:26:59.440]                   args[[name]] <- ""
[17:26:59.440]                 }
[17:26:59.440]                 NAMES <- toupper(removed)
[17:26:59.440]                 for (kk in seq_along(NAMES)) {
[17:26:59.440]                   name <- removed[[kk]]
[17:26:59.440]                   NAME <- NAMES[[kk]]
[17:26:59.440]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.440]                     next
[17:26:59.440]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.440]                 }
[17:26:59.440]                 if (length(args) > 0) 
[17:26:59.440]                   base::do.call(base::Sys.setenv, args = args)
[17:26:59.440]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:59.440]             }
[17:26:59.440]             else {
[17:26:59.440]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:59.440]             }
[17:26:59.440]             {
[17:26:59.440]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:59.440]                   0L) {
[17:26:59.440]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:59.440]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:59.440]                   base::options(opts)
[17:26:59.440]                 }
[17:26:59.440]                 {
[17:26:59.440]                   {
[17:26:59.440]                     NULL
[17:26:59.440]                     RNGkind("Mersenne-Twister")
[17:26:59.440]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:59.440]                       inherits = FALSE)
[17:26:59.440]                   }
[17:26:59.440]                   options(future.plan = NULL)
[17:26:59.440]                   if (is.na(NA_character_)) 
[17:26:59.440]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.440]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:59.440]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:59.440]                     .init = FALSE)
[17:26:59.440]                 }
[17:26:59.440]             }
[17:26:59.440]         }
[17:26:59.440]     })
[17:26:59.440]     if (TRUE) {
[17:26:59.440]         base::sink(type = "output", split = FALSE)
[17:26:59.440]         if (TRUE) {
[17:26:59.440]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:59.440]         }
[17:26:59.440]         else {
[17:26:59.440]             ...future.result["stdout"] <- base::list(NULL)
[17:26:59.440]         }
[17:26:59.440]         base::close(...future.stdout)
[17:26:59.440]         ...future.stdout <- NULL
[17:26:59.440]     }
[17:26:59.440]     ...future.result$conditions <- ...future.conditions
[17:26:59.440]     ...future.result$finished <- base::Sys.time()
[17:26:59.440]     ...future.result
[17:26:59.440] }
[17:26:59.444] assign_globals() ...
[17:26:59.444] List of 1
[17:26:59.444]  $ x: list()
[17:26:59.444]  - attr(*, "where")=List of 1
[17:26:59.444]   ..$ x:<environment: R_EmptyEnv> 
[17:26:59.444]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:26:59.444]  - attr(*, "resolved")= logi TRUE
[17:26:59.444]  - attr(*, "total_size")= num 0
[17:26:59.444]  - attr(*, "already-done")= logi TRUE
[17:26:59.447] - copied 'x' to environment
[17:26:59.447] assign_globals() ... done
[17:26:59.448] plan(): Setting new future strategy stack:
[17:26:59.448] List of future strategies:
[17:26:59.448] 1. sequential:
[17:26:59.448]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.448]    - tweaked: FALSE
[17:26:59.448]    - call: NULL
[17:26:59.448] plan(): nbrOfWorkers() = 1
[17:26:59.449] plan(): Setting new future strategy stack:
[17:26:59.450] List of future strategies:
[17:26:59.450] 1. sequential:
[17:26:59.450]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.450]    - tweaked: FALSE
[17:26:59.450]    - call: plan(strategy)
[17:26:59.450] plan(): nbrOfWorkers() = 1
[17:26:59.450] SequentialFuture started (and completed)
[17:26:59.451] - Launch lazy future ... done
[17:26:59.451] run() for 'SequentialFuture' ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:26:59.451] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:26:59.452] Searching for globals...
[17:26:59.454] - globals found: [7] '{', 'x', '<-', '[', 'name', '[<-', 'list'
[17:26:59.455] Searching for globals ... DONE
[17:26:59.455] Resolving globals: TRUE
[17:26:59.455] Resolving any globals that are futures ...
[17:26:59.455] - globals: [7] '{', 'x', '<-', '[', 'name', '[<-', 'list'
[17:26:59.455] Resolving any globals that are futures ... DONE
[17:26:59.456] Resolving futures part of globals (recursively) ...
[17:26:59.456] resolve() on list ...
[17:26:59.456]  recursive: 99
[17:26:59.456]  length: 2
[17:26:59.457]  elements: 'x', 'name'
[17:26:59.457]  length: 1 (resolved future 1)
[17:26:59.457]  length: 0 (resolved future 2)
[17:26:59.457] resolve() on list ... DONE
[17:26:59.457] - globals: [2] 'x', 'name'
[17:26:59.458] Resolving futures part of globals (recursively) ... DONE
[17:26:59.458] The total size of the 2 globals is 112 bytes (112 bytes)
[17:26:59.458] The total size of the 2 globals exported for future expression ('{; x[name] <- list(1); x; }') is 112 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There are two globals: 'name' (112 bytes of class 'character') and 'x' (0 bytes of class 'list')
[17:26:59.459] - globals: [2] 'x', 'name'
[17:26:59.459] 
[17:26:59.459] getGlobalsAndPackages() ... DONE
[17:26:59.459] run() for 'Future' ...
[17:26:59.459] - state: 'created'
[17:26:59.460] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:59.460] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:59.460] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:59.460]   - Field: 'label'
[17:26:59.461]   - Field: 'local'
[17:26:59.462]   - Field: 'owner'
[17:26:59.462]   - Field: 'envir'
[17:26:59.462]   - Field: 'packages'
[17:26:59.462]   - Field: 'gc'
[17:26:59.462]   - Field: 'conditions'
[17:26:59.462]   - Field: 'expr'
[17:26:59.463]   - Field: 'uuid'
[17:26:59.463]   - Field: 'seed'
[17:26:59.463]   - Field: 'version'
[17:26:59.463]   - Field: 'result'
[17:26:59.463]   - Field: 'asynchronous'
[17:26:59.464]   - Field: 'calls'
[17:26:59.464]   - Field: 'globals'
[17:26:59.464]   - Field: 'stdout'
[17:26:59.464]   - Field: 'earlySignal'
[17:26:59.464]   - Field: 'lazy'
[17:26:59.464]   - Field: 'state'
[17:26:59.465] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:59.465] - Launch lazy future ...
[17:26:59.465] Packages needed by the future expression (n = 0): <none>
[17:26:59.465] Packages needed by future strategies (n = 0): <none>
[17:26:59.466] {
[17:26:59.466]     {
[17:26:59.466]         {
[17:26:59.466]             ...future.startTime <- base::Sys.time()
[17:26:59.466]             {
[17:26:59.466]                 {
[17:26:59.466]                   {
[17:26:59.466]                     base::local({
[17:26:59.466]                       has_future <- base::requireNamespace("future", 
[17:26:59.466]                         quietly = TRUE)
[17:26:59.466]                       if (has_future) {
[17:26:59.466]                         ns <- base::getNamespace("future")
[17:26:59.466]                         version <- ns[[".package"]][["version"]]
[17:26:59.466]                         if (is.null(version)) 
[17:26:59.466]                           version <- utils::packageVersion("future")
[17:26:59.466]                       }
[17:26:59.466]                       else {
[17:26:59.466]                         version <- NULL
[17:26:59.466]                       }
[17:26:59.466]                       if (!has_future || version < "1.8.0") {
[17:26:59.466]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:59.466]                           "", base::R.version$version.string), 
[17:26:59.466]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:59.466]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:59.466]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:59.466]                             "release", "version")], collapse = " "), 
[17:26:59.466]                           hostname = base::Sys.info()[["nodename"]])
[17:26:59.466]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:59.466]                           info)
[17:26:59.466]                         info <- base::paste(info, collapse = "; ")
[17:26:59.466]                         if (!has_future) {
[17:26:59.466]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:59.466]                             info)
[17:26:59.466]                         }
[17:26:59.466]                         else {
[17:26:59.466]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:59.466]                             info, version)
[17:26:59.466]                         }
[17:26:59.466]                         base::stop(msg)
[17:26:59.466]                       }
[17:26:59.466]                     })
[17:26:59.466]                   }
[17:26:59.466]                   ...future.strategy.old <- future::plan("list")
[17:26:59.466]                   options(future.plan = NULL)
[17:26:59.466]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.466]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:59.466]                 }
[17:26:59.466]                 ...future.workdir <- getwd()
[17:26:59.466]             }
[17:26:59.466]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:59.466]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:59.466]         }
[17:26:59.466]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:26:59.466]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:59.466]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:26:59.466]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:26:59.466]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:59.466]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:59.466]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:59.466]             base::names(...future.oldOptions))
[17:26:59.466]     }
[17:26:59.466]     if (FALSE) {
[17:26:59.466]     }
[17:26:59.466]     else {
[17:26:59.466]         if (TRUE) {
[17:26:59.466]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:59.466]                 open = "w")
[17:26:59.466]         }
[17:26:59.466]         else {
[17:26:59.466]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:59.466]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:59.466]         }
[17:26:59.466]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:59.466]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:59.466]             base::sink(type = "output", split = FALSE)
[17:26:59.466]             base::close(...future.stdout)
[17:26:59.466]         }, add = TRUE)
[17:26:59.466]     }
[17:26:59.466]     ...future.frame <- base::sys.nframe()
[17:26:59.466]     ...future.conditions <- base::list()
[17:26:59.466]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:59.466]     if (FALSE) {
[17:26:59.466]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:59.466]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:59.466]     }
[17:26:59.466]     ...future.result <- base::tryCatch({
[17:26:59.466]         base::withCallingHandlers({
[17:26:59.466]             ...future.value <- base::withVisible(base::local({
[17:26:59.466]                 x[name] <- list(1)
[17:26:59.466]                 x
[17:26:59.466]             }))
[17:26:59.466]             future::FutureResult(value = ...future.value$value, 
[17:26:59.466]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.466]                   ...future.rng), globalenv = if (FALSE) 
[17:26:59.466]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:59.466]                     ...future.globalenv.names))
[17:26:59.466]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:59.466]         }, condition = base::local({
[17:26:59.466]             c <- base::c
[17:26:59.466]             inherits <- base::inherits
[17:26:59.466]             invokeRestart <- base::invokeRestart
[17:26:59.466]             length <- base::length
[17:26:59.466]             list <- base::list
[17:26:59.466]             seq.int <- base::seq.int
[17:26:59.466]             signalCondition <- base::signalCondition
[17:26:59.466]             sys.calls <- base::sys.calls
[17:26:59.466]             `[[` <- base::`[[`
[17:26:59.466]             `+` <- base::`+`
[17:26:59.466]             `<<-` <- base::`<<-`
[17:26:59.466]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:59.466]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:59.466]                   3L)]
[17:26:59.466]             }
[17:26:59.466]             function(cond) {
[17:26:59.466]                 is_error <- inherits(cond, "error")
[17:26:59.466]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:59.466]                   NULL)
[17:26:59.466]                 if (is_error) {
[17:26:59.466]                   sessionInformation <- function() {
[17:26:59.466]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:59.466]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:59.466]                       search = base::search(), system = base::Sys.info())
[17:26:59.466]                   }
[17:26:59.466]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.466]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:59.466]                     cond$call), session = sessionInformation(), 
[17:26:59.466]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:59.466]                   signalCondition(cond)
[17:26:59.466]                 }
[17:26:59.466]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:59.466]                 "immediateCondition"))) {
[17:26:59.466]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:59.466]                   ...future.conditions[[length(...future.conditions) + 
[17:26:59.466]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:59.466]                   if (TRUE && !signal) {
[17:26:59.466]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.466]                     {
[17:26:59.466]                       inherits <- base::inherits
[17:26:59.466]                       invokeRestart <- base::invokeRestart
[17:26:59.466]                       is.null <- base::is.null
[17:26:59.466]                       muffled <- FALSE
[17:26:59.466]                       if (inherits(cond, "message")) {
[17:26:59.466]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.466]                         if (muffled) 
[17:26:59.466]                           invokeRestart("muffleMessage")
[17:26:59.466]                       }
[17:26:59.466]                       else if (inherits(cond, "warning")) {
[17:26:59.466]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.466]                         if (muffled) 
[17:26:59.466]                           invokeRestart("muffleWarning")
[17:26:59.466]                       }
[17:26:59.466]                       else if (inherits(cond, "condition")) {
[17:26:59.466]                         if (!is.null(pattern)) {
[17:26:59.466]                           computeRestarts <- base::computeRestarts
[17:26:59.466]                           grepl <- base::grepl
[17:26:59.466]                           restarts <- computeRestarts(cond)
[17:26:59.466]                           for (restart in restarts) {
[17:26:59.466]                             name <- restart$name
[17:26:59.466]                             if (is.null(name)) 
[17:26:59.466]                               next
[17:26:59.466]                             if (!grepl(pattern, name)) 
[17:26:59.466]                               next
[17:26:59.466]                             invokeRestart(restart)
[17:26:59.466]                             muffled <- TRUE
[17:26:59.466]                             break
[17:26:59.466]                           }
[17:26:59.466]                         }
[17:26:59.466]                       }
[17:26:59.466]                       invisible(muffled)
[17:26:59.466]                     }
[17:26:59.466]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.466]                   }
[17:26:59.466]                 }
[17:26:59.466]                 else {
[17:26:59.466]                   if (TRUE) {
[17:26:59.466]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:59.466]                     {
[17:26:59.466]                       inherits <- base::inherits
[17:26:59.466]                       invokeRestart <- base::invokeRestart
[17:26:59.466]                       is.null <- base::is.null
[17:26:59.466]                       muffled <- FALSE
[17:26:59.466]                       if (inherits(cond, "message")) {
[17:26:59.466]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:59.466]                         if (muffled) 
[17:26:59.466]                           invokeRestart("muffleMessage")
[17:26:59.466]                       }
[17:26:59.466]                       else if (inherits(cond, "warning")) {
[17:26:59.466]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:59.466]                         if (muffled) 
[17:26:59.466]                           invokeRestart("muffleWarning")
[17:26:59.466]                       }
[17:26:59.466]                       else if (inherits(cond, "condition")) {
[17:26:59.466]                         if (!is.null(pattern)) {
[17:26:59.466]                           computeRestarts <- base::computeRestarts
[17:26:59.466]                           grepl <- base::grepl
[17:26:59.466]                           restarts <- computeRestarts(cond)
[17:26:59.466]                           for (restart in restarts) {
[17:26:59.466]                             name <- restart$name
[17:26:59.466]                             if (is.null(name)) 
[17:26:59.466]                               next
[17:26:59.466]                             if (!grepl(pattern, name)) 
[17:26:59.466]                               next
[17:26:59.466]                             invokeRestart(restart)
[17:26:59.466]                             muffled <- TRUE
[17:26:59.466]                             break
[17:26:59.466]                           }
[17:26:59.466]                         }
[17:26:59.466]                       }
[17:26:59.466]                       invisible(muffled)
[17:26:59.466]                     }
[17:26:59.466]                     muffleCondition(cond, pattern = "^muffle")
[17:26:59.466]                   }
[17:26:59.466]                 }
[17:26:59.466]             }
[17:26:59.466]         }))
[17:26:59.466]     }, error = function(ex) {
[17:26:59.466]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:59.466]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:59.466]                 ...future.rng), started = ...future.startTime, 
[17:26:59.466]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:59.466]             version = "1.8"), class = "FutureResult")
[17:26:59.466]     }, finally = {
[17:26:59.466]         if (!identical(...future.workdir, getwd())) 
[17:26:59.466]             setwd(...future.workdir)
[17:26:59.466]         {
[17:26:59.466]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:59.466]                 ...future.oldOptions$nwarnings <- NULL
[17:26:59.466]             }
[17:26:59.466]             base::options(...future.oldOptions)
[17:26:59.466]             if (.Platform$OS.type == "windows") {
[17:26:59.466]                 old_names <- names(...future.oldEnvVars)
[17:26:59.466]                 envs <- base::Sys.getenv()
[17:26:59.466]                 names <- names(envs)
[17:26:59.466]                 common <- intersect(names, old_names)
[17:26:59.466]                 added <- setdiff(names, old_names)
[17:26:59.466]                 removed <- setdiff(old_names, names)
[17:26:59.466]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:59.466]                   envs[common]]
[17:26:59.466]                 NAMES <- toupper(changed)
[17:26:59.466]                 args <- list()
[17:26:59.466]                 for (kk in seq_along(NAMES)) {
[17:26:59.466]                   name <- changed[[kk]]
[17:26:59.466]                   NAME <- NAMES[[kk]]
[17:26:59.466]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.466]                     next
[17:26:59.466]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.466]                 }
[17:26:59.466]                 NAMES <- toupper(added)
[17:26:59.466]                 for (kk in seq_along(NAMES)) {
[17:26:59.466]                   name <- added[[kk]]
[17:26:59.466]                   NAME <- NAMES[[kk]]
[17:26:59.466]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.466]                     next
[17:26:59.466]                   args[[name]] <- ""
[17:26:59.466]                 }
[17:26:59.466]                 NAMES <- toupper(removed)
[17:26:59.466]                 for (kk in seq_along(NAMES)) {
[17:26:59.466]                   name <- removed[[kk]]
[17:26:59.466]                   NAME <- NAMES[[kk]]
[17:26:59.466]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:59.466]                     next
[17:26:59.466]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:59.466]                 }
[17:26:59.466]                 if (length(args) > 0) 
[17:26:59.466]                   base::do.call(base::Sys.setenv, args = args)
[17:26:59.466]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:59.466]             }
[17:26:59.466]             else {
[17:26:59.466]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:59.466]             }
[17:26:59.466]             {
[17:26:59.466]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:59.466]                   0L) {
[17:26:59.466]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:59.466]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:59.466]                   base::options(opts)
[17:26:59.466]                 }
[17:26:59.466]                 {
[17:26:59.466]                   {
[17:26:59.466]                     NULL
[17:26:59.466]                     RNGkind("Mersenne-Twister")
[17:26:59.466]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:59.466]                       inherits = FALSE)
[17:26:59.466]                   }
[17:26:59.466]                   options(future.plan = NULL)
[17:26:59.466]                   if (is.na(NA_character_)) 
[17:26:59.466]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:59.466]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:59.466]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:59.466]                     .init = FALSE)
[17:26:59.466]                 }
[17:26:59.466]             }
[17:26:59.466]         }
[17:26:59.466]     })
[17:26:59.466]     if (TRUE) {
[17:26:59.466]         base::sink(type = "output", split = FALSE)
[17:26:59.466]         if (TRUE) {
[17:26:59.466]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:59.466]         }
[17:26:59.466]         else {
[17:26:59.466]             ...future.result["stdout"] <- base::list(NULL)
[17:26:59.466]         }
[17:26:59.466]         base::close(...future.stdout)
[17:26:59.466]         ...future.stdout <- NULL
[17:26:59.466]     }
[17:26:59.466]     ...future.result$conditions <- ...future.conditions
[17:26:59.466]     ...future.result$finished <- base::Sys.time()
[17:26:59.466]     ...future.result
[17:26:59.466] }
[17:26:59.469] assign_globals() ...
[17:26:59.469] List of 2
[17:26:59.469]  $ x   : list()
[17:26:59.469]  $ name: chr "a"
[17:26:59.469]  - attr(*, "where")=List of 2
[17:26:59.469]   ..$ x   :<environment: R_EmptyEnv> 
[17:26:59.469]   ..$ name:<environment: R_EmptyEnv> 
[17:26:59.469]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:26:59.469]  - attr(*, "resolved")= logi TRUE
[17:26:59.469]  - attr(*, "total_size")= num 112
[17:26:59.469]  - attr(*, "already-done")= logi TRUE
[17:26:59.473] - copied 'x' to environment
[17:26:59.473] - copied 'name' to environment
[17:26:59.473] assign_globals() ... done
[17:26:59.473] plan(): Setting new future strategy stack:
[17:26:59.474] List of future strategies:
[17:26:59.474] 1. sequential:
[17:26:59.474]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.474]    - tweaked: FALSE
[17:26:59.474]    - call: NULL
[17:26:59.474] plan(): nbrOfWorkers() = 1
[17:26:59.475] plan(): Setting new future strategy stack:
[17:26:59.475] List of future strategies:
[17:26:59.475] 1. sequential:
[17:26:59.475]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:59.475]    - tweaked: FALSE
[17:26:59.475]    - call: plan(strategy)
[17:26:59.476] plan(): nbrOfWorkers() = 1
[17:26:59.476] SequentialFuture started (and completed)
[17:26:59.476] - Launch lazy future ... done
[17:26:59.477] run() for 'SequentialFuture' ... done
$a
[1] 1

Testing with 1 cores ... DONE
Testing with 2 cores ...
availableCores(): 2
- plan('multisession') ...
[17:26:59.485] plan(): Setting new future strategy stack:
[17:26:59.485] List of future strategies:
[17:26:59.485] 1. multisession:
[17:26:59.485]    - args: function (..., workers = availableCores(), lazy = FALSE, rscript_libs = .libPaths(), envir = parent.frame())
[17:26:59.485]    - tweaked: FALSE
[17:26:59.485]    - call: plan(strategy)
[17:26:59.485] plan(): plan_init() of 'multisession', 'cluster', 'multiprocess', 'future', 'function' ...
[17:26:59.486] multisession:
[17:26:59.486] - args: function (..., workers = availableCores(), lazy = FALSE, rscript_libs = .libPaths(), envir = parent.frame())
[17:26:59.486] - tweaked: FALSE
[17:26:59.486] - call: plan(strategy)
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:26:59.491] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:26:59.491] Not searching for globals
[17:26:59.492] - globals: [0] <none>
[17:26:59.492] getGlobalsAndPackages() ... DONE
[17:26:59.492] [local output] makeClusterPSOCK() ...
[17:26:59.524] [local output] Workers: [n = 2] 'localhost', 'localhost'
[17:26:59.530] [local output] Base port: 39259
[17:26:59.530] [local output] Getting setup options for 2 cluster nodes ...
[17:26:59.530] [local output]  - Node 1 of 2 ...
[17:26:59.531] [local output] localMachine=TRUE => revtunnel=FALSE

[17:26:59.532] Testing if worker's PID can be inferred: '"D:/RCompile/recent/R/bin/x64/Rscript" -e "try(suppressWarnings(cat(Sys.getpid(),file=\"D:/temp/RtmpwZ5XTP/worker.rank=1.parallelly.parent=41660.a2bc36d52196.pid\")), silent = TRUE)" -e "file.exists(\"D:/temp/RtmpwZ5XTP/worker.rank=1.parallelly.parent=41660.a2bc36d52196.pid\")"'
[17:26:59.863] - Possible to infer worker's PID: TRUE
[17:26:59.864] [local output] Rscript port: 39259

[17:26:59.864] [local output]  - Node 2 of 2 ...
[17:26:59.865] [local output] localMachine=TRUE => revtunnel=FALSE

[17:26:59.866] [local output] Rscript port: 39259

[17:26:59.867] [local output] Getting setup options for 2 cluster nodes ... done
[17:26:59.867] [local output]  - Parallel setup requested for some PSOCK nodes
[17:26:59.867] [local output] Setting up PSOCK nodes in parallel
[17:26:59.868] List of 36
[17:26:59.868]  $ worker          : chr "localhost"
[17:26:59.868]   ..- attr(*, "localhost")= logi TRUE
[17:26:59.868]  $ master          : chr "localhost"
[17:26:59.868]  $ port            : int 39259
[17:26:59.868]  $ connectTimeout  : num 120
[17:26:59.868]  $ timeout         : num 120
[17:26:59.868]  $ rscript         : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\""
[17:26:59.868]  $ homogeneous     : logi TRUE
[17:26:59.868]  $ rscript_args    : chr "--default-packages=datasets,utils,grDevices,graphics,stats,methods -e \"#label=globals,subassignment.R:41660:CR"| __truncated__
[17:26:59.868]  $ rscript_envs    : NULL
[17:26:59.868]  $ rscript_libs    : chr [1:2] "D:/temp/RtmpAVtqMV/RLIBS_30708245f64e7" "D:/RCompile/recent/R/library"
[17:26:59.868]  $ rscript_startup : NULL
[17:26:59.868]  $ rscript_sh      : chr "cmd"
[17:26:59.868]  $ default_packages: chr [1:6] "datasets" "utils" "grDevices" "graphics" ...
[17:26:59.868]  $ methods         : logi TRUE
[17:26:59.868]  $ socketOptions   : chr "no-delay"
[17:26:59.868]  $ useXDR          : logi FALSE
[17:26:59.868]  $ outfile         : chr "/dev/null"
[17:26:59.868]  $ renice          : int NA
[17:26:59.868]  $ rshcmd          : NULL
[17:26:59.868]  $ user            : chr(0) 
[17:26:59.868]  $ revtunnel       : logi FALSE
[17:26:59.868]  $ rshlogfile      : NULL
[17:26:59.868]  $ rshopts         : chr(0) 
[17:26:59.868]  $ rank            : int 1
[17:26:59.868]  $ manual          : logi FALSE
[17:26:59.868]  $ dryrun          : logi FALSE
[17:26:59.868]  $ quiet           : logi FALSE
[17:26:59.868]  $ setup_strategy  : chr "parallel"
[17:26:59.868]  $ local_cmd       : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "| __truncated__
[17:26:59.868]  $ pidfile         : chr "D:/temp/RtmpwZ5XTP/worker.rank=1.parallelly.parent=41660.a2bc36d52196.pid"
[17:26:59.868]  $ rshcmd_label    : NULL
[17:26:59.868]  $ rsh_call        : NULL
[17:26:59.868]  $ cmd             : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "| __truncated__
[17:26:59.868]  $ localMachine    : logi TRUE
[17:26:59.868]  $ make_fcn        :function (worker = getOption2("parallelly.localhost.hostname", "localhost"), 
[17:26:59.868]     master = NULL, port, connectTimeout = getOption2("parallelly.makeNodePSOCK.connectTimeout", 
[17:26:59.868]         2 * 60), timeout = getOption2("parallelly.makeNodePSOCK.timeout", 
[17:26:59.868]         30 * 24 * 60 * 60), rscript = NULL, homogeneous = NULL, rscript_args = NULL, 
[17:26:59.868]     rscript_envs = NULL, rscript_libs = NULL, rscript_startup = NULL, rscript_sh = c("auto", 
[17:26:59.868]         "cmd", "sh"), default_packages = c("datasets", "utils", "grDevices", 
[17:26:59.868]         "graphics", "stats", if (methods) "methods"), methods = TRUE, socketOptions = getOption2("parallelly.makeNodePSOCK.socketOptions", 
[17:26:59.868]         "no-delay"), useXDR = getOption2("parallelly.makeNodePSOCK.useXDR", 
[17:26:59.868]         FALSE), outfile = "/dev/null", renice = NA_integer_, rshcmd = getOption2("parallelly.makeNodePSOCK.rshcmd", 
[17:26:59.868]         NULL), user = NULL, revtunnel = NA, rshlogfile = NULL, rshopts = getOption2("parallelly.makeNodePSOCK.rshopts", 
[17:26:59.868]         NULL), rank = 1L, manual = FALSE, dryrun = FALSE, quiet = FALSE, 
[17:26:59.868]     setup_strategy = getOption2("parallelly.makeNodePSOCK.setup_strategy", 
[17:26:59.868]         "parallel"), action = c("launch", "options"), verbose = FALSE)  
[17:26:59.868]  $ arguments       :List of 28
[17:26:59.868]   ..$ worker          : chr "localhost"
[17:26:59.868]   ..$ master          : NULL
[17:26:59.868]   ..$ port            : int 39259
[17:26:59.868]   ..$ connectTimeout  : num 120
[17:26:59.868]   ..$ timeout         : num 120
[17:26:59.868]   ..$ rscript         : NULL
[17:26:59.868]   ..$ homogeneous     : NULL
[17:26:59.868]   ..$ rscript_args    : NULL
[17:26:59.868]   ..$ rscript_envs    : NULL
[17:26:59.868]   ..$ rscript_libs    : chr [1:2] "D:/temp/RtmpAVtqMV/RLIBS_30708245f64e7" "D:/RCompile/recent/R/library"
[17:26:59.868]   ..$ rscript_startup : NULL
[17:26:59.868]   ..$ rscript_sh      : chr [1:3] "auto" "cmd" "sh"
[17:26:59.868]   ..$ default_packages: chr [1:6] "datasets" "utils" "grDevices" "graphics" ...
[17:26:59.868]   ..$ methods         : logi TRUE
[17:26:59.868]   ..$ socketOptions   : chr "no-delay"
[17:26:59.868]   ..$ useXDR          : logi FALSE
[17:26:59.868]   ..$ outfile         : chr "/dev/null"
[17:26:59.868]   ..$ renice          : int NA
[17:26:59.868]   ..$ rshcmd          : NULL
[17:26:59.868]   ..$ user            : NULL
[17:26:59.868]   ..$ revtunnel       : logi NA
[17:26:59.868]   ..$ rshlogfile      : NULL
[17:26:59.868]   ..$ rshopts         : NULL
[17:26:59.868]   ..$ rank            : int 1
[17:26:59.868]   ..$ manual          : logi FALSE
[17:26:59.868]   ..$ dryrun          : logi FALSE
[17:26:59.868]   ..$ quiet           : logi FALSE
[17:26:59.868]   ..$ setup_strategy  : chr "parallel"
[17:26:59.868]  - attr(*, "class")= chr [1:2] "makeNodePSOCKOptions" "makeNodeOptions"
[17:26:59.889] [local output] System call to launch all workers:
[17:26:59.889] [local output] "D:/RCompile/recent/R/bin/x64/Rscript" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "#label=globals,subassignment.R:41660:CRANWIN3:CRAN" -e "try(suppressWarnings(cat(Sys.getpid(),file=\"D:/temp/RtmpwZ5XTP/worker.rank=1.parallelly.parent=41660.a2bc36d52196.pid\")), silent = TRUE)" -e "options(socketOptions = \"no-delay\")" -e ".libPaths(c(\"D:/temp/RtmpAVtqMV/RLIBS_30708245f64e7\",\"D:/RCompile/recent/R/library\"))" -e "workRSOCK <- tryCatch(parallel:::.workRSOCK, error=function(e) parallel:::.slaveRSOCK); workRSOCK()" MASTER=localhost PORT=39259 OUT=/dev/null TIMEOUT=120 XDR=FALSE SETUPTIMEOUT=120 SETUPSTRATEGY=parallel
[17:26:59.889] [local output] Starting PSOCK main server
[17:26:59.895] [local output] Workers launched
[17:26:59.895] [local output] Waiting for workers to connect back
[17:26:59.895]  - [local output] 0 workers out of 2 ready
[17:27:00.058]  - [local output] 0 workers out of 2 ready
[17:27:00.058]  - [local output] 1 workers out of 2 ready
[17:27:00.082]  - [local output] 1 workers out of 2 ready
[17:27:00.083]  - [local output] 2 workers out of 2 ready
[17:27:00.083] [local output] Launching of workers completed
[17:27:00.083] [local output] Collecting session information from workers
[17:27:00.084] [local output]  - Worker #1 of 2
[17:27:00.085] [local output]  - Worker #2 of 2
[17:27:00.085] [local output] makeClusterPSOCK() ... done
[17:27:00.097] Packages needed by the future expression (n = 0): <none>
[17:27:00.098] Packages needed by future strategies (n = 0): <none>
[17:27:00.098] {
[17:27:00.098]     {
[17:27:00.098]         {
[17:27:00.098]             ...future.startTime <- base::Sys.time()
[17:27:00.098]             {
[17:27:00.098]                 {
[17:27:00.098]                   {
[17:27:00.098]                     {
[17:27:00.098]                       base::local({
[17:27:00.098]                         has_future <- base::requireNamespace("future", 
[17:27:00.098]                           quietly = TRUE)
[17:27:00.098]                         if (has_future) {
[17:27:00.098]                           ns <- base::getNamespace("future")
[17:27:00.098]                           version <- ns[[".package"]][["version"]]
[17:27:00.098]                           if (is.null(version)) 
[17:27:00.098]                             version <- utils::packageVersion("future")
[17:27:00.098]                         }
[17:27:00.098]                         else {
[17:27:00.098]                           version <- NULL
[17:27:00.098]                         }
[17:27:00.098]                         if (!has_future || version < "1.8.0") {
[17:27:00.098]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:00.098]                             "", base::R.version$version.string), 
[17:27:00.098]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:00.098]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:00.098]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:00.098]                               "release", "version")], collapse = " "), 
[17:27:00.098]                             hostname = base::Sys.info()[["nodename"]])
[17:27:00.098]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:00.098]                             info)
[17:27:00.098]                           info <- base::paste(info, collapse = "; ")
[17:27:00.098]                           if (!has_future) {
[17:27:00.098]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:00.098]                               info)
[17:27:00.098]                           }
[17:27:00.098]                           else {
[17:27:00.098]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:00.098]                               info, version)
[17:27:00.098]                           }
[17:27:00.098]                           base::stop(msg)
[17:27:00.098]                         }
[17:27:00.098]                       })
[17:27:00.098]                     }
[17:27:00.098]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:00.098]                     base::options(mc.cores = 1L)
[17:27:00.098]                   }
[17:27:00.098]                   ...future.strategy.old <- future::plan("list")
[17:27:00.098]                   options(future.plan = NULL)
[17:27:00.098]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.098]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:00.098]                 }
[17:27:00.098]                 ...future.workdir <- getwd()
[17:27:00.098]             }
[17:27:00.098]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:00.098]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:00.098]         }
[17:27:00.098]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:27:00.098]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:00.098]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:27:00.098]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:27:00.098]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:00.098]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:00.098]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:00.098]             base::names(...future.oldOptions))
[17:27:00.098]     }
[17:27:00.098]     if (FALSE) {
[17:27:00.098]     }
[17:27:00.098]     else {
[17:27:00.098]         if (TRUE) {
[17:27:00.098]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:00.098]                 open = "w")
[17:27:00.098]         }
[17:27:00.098]         else {
[17:27:00.098]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:00.098]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:00.098]         }
[17:27:00.098]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:00.098]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:00.098]             base::sink(type = "output", split = FALSE)
[17:27:00.098]             base::close(...future.stdout)
[17:27:00.098]         }, add = TRUE)
[17:27:00.098]     }
[17:27:00.098]     ...future.frame <- base::sys.nframe()
[17:27:00.098]     ...future.conditions <- base::list()
[17:27:00.098]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:00.098]     if (FALSE) {
[17:27:00.098]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:00.098]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:00.098]     }
[17:27:00.098]     ...future.result <- base::tryCatch({
[17:27:00.098]         base::withCallingHandlers({
[17:27:00.098]             ...future.value <- base::withVisible(base::local({
[17:27:00.098]                 ...future.makeSendCondition <- base::local({
[17:27:00.098]                   sendCondition <- NULL
[17:27:00.098]                   function(frame = 1L) {
[17:27:00.098]                     if (is.function(sendCondition)) 
[17:27:00.098]                       return(sendCondition)
[17:27:00.098]                     ns <- getNamespace("parallel")
[17:27:00.098]                     if (exists("sendData", mode = "function", 
[17:27:00.098]                       envir = ns)) {
[17:27:00.098]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:00.098]                         envir = ns)
[17:27:00.098]                       envir <- sys.frame(frame)
[17:27:00.098]                       master <- NULL
[17:27:00.098]                       while (!identical(envir, .GlobalEnv) && 
[17:27:00.098]                         !identical(envir, emptyenv())) {
[17:27:00.098]                         if (exists("master", mode = "list", envir = envir, 
[17:27:00.098]                           inherits = FALSE)) {
[17:27:00.098]                           master <- get("master", mode = "list", 
[17:27:00.098]                             envir = envir, inherits = FALSE)
[17:27:00.098]                           if (inherits(master, c("SOCKnode", 
[17:27:00.098]                             "SOCK0node"))) {
[17:27:00.098]                             sendCondition <<- function(cond) {
[17:27:00.098]                               data <- list(type = "VALUE", value = cond, 
[17:27:00.098]                                 success = TRUE)
[17:27:00.098]                               parallel_sendData(master, data)
[17:27:00.098]                             }
[17:27:00.098]                             return(sendCondition)
[17:27:00.098]                           }
[17:27:00.098]                         }
[17:27:00.098]                         frame <- frame + 1L
[17:27:00.098]                         envir <- sys.frame(frame)
[17:27:00.098]                       }
[17:27:00.098]                     }
[17:27:00.098]                     sendCondition <<- function(cond) NULL
[17:27:00.098]                   }
[17:27:00.098]                 })
[17:27:00.098]                 withCallingHandlers({
[17:27:00.098]                   NA
[17:27:00.098]                 }, immediateCondition = function(cond) {
[17:27:00.098]                   sendCondition <- ...future.makeSendCondition()
[17:27:00.098]                   sendCondition(cond)
[17:27:00.098]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.098]                   {
[17:27:00.098]                     inherits <- base::inherits
[17:27:00.098]                     invokeRestart <- base::invokeRestart
[17:27:00.098]                     is.null <- base::is.null
[17:27:00.098]                     muffled <- FALSE
[17:27:00.098]                     if (inherits(cond, "message")) {
[17:27:00.098]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:00.098]                       if (muffled) 
[17:27:00.098]                         invokeRestart("muffleMessage")
[17:27:00.098]                     }
[17:27:00.098]                     else if (inherits(cond, "warning")) {
[17:27:00.098]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:00.098]                       if (muffled) 
[17:27:00.098]                         invokeRestart("muffleWarning")
[17:27:00.098]                     }
[17:27:00.098]                     else if (inherits(cond, "condition")) {
[17:27:00.098]                       if (!is.null(pattern)) {
[17:27:00.098]                         computeRestarts <- base::computeRestarts
[17:27:00.098]                         grepl <- base::grepl
[17:27:00.098]                         restarts <- computeRestarts(cond)
[17:27:00.098]                         for (restart in restarts) {
[17:27:00.098]                           name <- restart$name
[17:27:00.098]                           if (is.null(name)) 
[17:27:00.098]                             next
[17:27:00.098]                           if (!grepl(pattern, name)) 
[17:27:00.098]                             next
[17:27:00.098]                           invokeRestart(restart)
[17:27:00.098]                           muffled <- TRUE
[17:27:00.098]                           break
[17:27:00.098]                         }
[17:27:00.098]                       }
[17:27:00.098]                     }
[17:27:00.098]                     invisible(muffled)
[17:27:00.098]                   }
[17:27:00.098]                   muffleCondition(cond)
[17:27:00.098]                 })
[17:27:00.098]             }))
[17:27:00.098]             future::FutureResult(value = ...future.value$value, 
[17:27:00.098]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.098]                   ...future.rng), globalenv = if (FALSE) 
[17:27:00.098]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:00.098]                     ...future.globalenv.names))
[17:27:00.098]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:00.098]         }, condition = base::local({
[17:27:00.098]             c <- base::c
[17:27:00.098]             inherits <- base::inherits
[17:27:00.098]             invokeRestart <- base::invokeRestart
[17:27:00.098]             length <- base::length
[17:27:00.098]             list <- base::list
[17:27:00.098]             seq.int <- base::seq.int
[17:27:00.098]             signalCondition <- base::signalCondition
[17:27:00.098]             sys.calls <- base::sys.calls
[17:27:00.098]             `[[` <- base::`[[`
[17:27:00.098]             `+` <- base::`+`
[17:27:00.098]             `<<-` <- base::`<<-`
[17:27:00.098]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:00.098]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:00.098]                   3L)]
[17:27:00.098]             }
[17:27:00.098]             function(cond) {
[17:27:00.098]                 is_error <- inherits(cond, "error")
[17:27:00.098]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:00.098]                   NULL)
[17:27:00.098]                 if (is_error) {
[17:27:00.098]                   sessionInformation <- function() {
[17:27:00.098]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:00.098]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:00.098]                       search = base::search(), system = base::Sys.info())
[17:27:00.098]                   }
[17:27:00.098]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.098]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:00.098]                     cond$call), session = sessionInformation(), 
[17:27:00.098]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:00.098]                   signalCondition(cond)
[17:27:00.098]                 }
[17:27:00.098]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:00.098]                 "immediateCondition"))) {
[17:27:00.098]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:00.098]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.098]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:00.098]                   if (TRUE && !signal) {
[17:27:00.098]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.098]                     {
[17:27:00.098]                       inherits <- base::inherits
[17:27:00.098]                       invokeRestart <- base::invokeRestart
[17:27:00.098]                       is.null <- base::is.null
[17:27:00.098]                       muffled <- FALSE
[17:27:00.098]                       if (inherits(cond, "message")) {
[17:27:00.098]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.098]                         if (muffled) 
[17:27:00.098]                           invokeRestart("muffleMessage")
[17:27:00.098]                       }
[17:27:00.098]                       else if (inherits(cond, "warning")) {
[17:27:00.098]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.098]                         if (muffled) 
[17:27:00.098]                           invokeRestart("muffleWarning")
[17:27:00.098]                       }
[17:27:00.098]                       else if (inherits(cond, "condition")) {
[17:27:00.098]                         if (!is.null(pattern)) {
[17:27:00.098]                           computeRestarts <- base::computeRestarts
[17:27:00.098]                           grepl <- base::grepl
[17:27:00.098]                           restarts <- computeRestarts(cond)
[17:27:00.098]                           for (restart in restarts) {
[17:27:00.098]                             name <- restart$name
[17:27:00.098]                             if (is.null(name)) 
[17:27:00.098]                               next
[17:27:00.098]                             if (!grepl(pattern, name)) 
[17:27:00.098]                               next
[17:27:00.098]                             invokeRestart(restart)
[17:27:00.098]                             muffled <- TRUE
[17:27:00.098]                             break
[17:27:00.098]                           }
[17:27:00.098]                         }
[17:27:00.098]                       }
[17:27:00.098]                       invisible(muffled)
[17:27:00.098]                     }
[17:27:00.098]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.098]                   }
[17:27:00.098]                 }
[17:27:00.098]                 else {
[17:27:00.098]                   if (TRUE) {
[17:27:00.098]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.098]                     {
[17:27:00.098]                       inherits <- base::inherits
[17:27:00.098]                       invokeRestart <- base::invokeRestart
[17:27:00.098]                       is.null <- base::is.null
[17:27:00.098]                       muffled <- FALSE
[17:27:00.098]                       if (inherits(cond, "message")) {
[17:27:00.098]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.098]                         if (muffled) 
[17:27:00.098]                           invokeRestart("muffleMessage")
[17:27:00.098]                       }
[17:27:00.098]                       else if (inherits(cond, "warning")) {
[17:27:00.098]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.098]                         if (muffled) 
[17:27:00.098]                           invokeRestart("muffleWarning")
[17:27:00.098]                       }
[17:27:00.098]                       else if (inherits(cond, "condition")) {
[17:27:00.098]                         if (!is.null(pattern)) {
[17:27:00.098]                           computeRestarts <- base::computeRestarts
[17:27:00.098]                           grepl <- base::grepl
[17:27:00.098]                           restarts <- computeRestarts(cond)
[17:27:00.098]                           for (restart in restarts) {
[17:27:00.098]                             name <- restart$name
[17:27:00.098]                             if (is.null(name)) 
[17:27:00.098]                               next
[17:27:00.098]                             if (!grepl(pattern, name)) 
[17:27:00.098]                               next
[17:27:00.098]                             invokeRestart(restart)
[17:27:00.098]                             muffled <- TRUE
[17:27:00.098]                             break
[17:27:00.098]                           }
[17:27:00.098]                         }
[17:27:00.098]                       }
[17:27:00.098]                       invisible(muffled)
[17:27:00.098]                     }
[17:27:00.098]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.098]                   }
[17:27:00.098]                 }
[17:27:00.098]             }
[17:27:00.098]         }))
[17:27:00.098]     }, error = function(ex) {
[17:27:00.098]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:00.098]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.098]                 ...future.rng), started = ...future.startTime, 
[17:27:00.098]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:00.098]             version = "1.8"), class = "FutureResult")
[17:27:00.098]     }, finally = {
[17:27:00.098]         if (!identical(...future.workdir, getwd())) 
[17:27:00.098]             setwd(...future.workdir)
[17:27:00.098]         {
[17:27:00.098]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:00.098]                 ...future.oldOptions$nwarnings <- NULL
[17:27:00.098]             }
[17:27:00.098]             base::options(...future.oldOptions)
[17:27:00.098]             if (.Platform$OS.type == "windows") {
[17:27:00.098]                 old_names <- names(...future.oldEnvVars)
[17:27:00.098]                 envs <- base::Sys.getenv()
[17:27:00.098]                 names <- names(envs)
[17:27:00.098]                 common <- intersect(names, old_names)
[17:27:00.098]                 added <- setdiff(names, old_names)
[17:27:00.098]                 removed <- setdiff(old_names, names)
[17:27:00.098]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:00.098]                   envs[common]]
[17:27:00.098]                 NAMES <- toupper(changed)
[17:27:00.098]                 args <- list()
[17:27:00.098]                 for (kk in seq_along(NAMES)) {
[17:27:00.098]                   name <- changed[[kk]]
[17:27:00.098]                   NAME <- NAMES[[kk]]
[17:27:00.098]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.098]                     next
[17:27:00.098]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.098]                 }
[17:27:00.098]                 NAMES <- toupper(added)
[17:27:00.098]                 for (kk in seq_along(NAMES)) {
[17:27:00.098]                   name <- added[[kk]]
[17:27:00.098]                   NAME <- NAMES[[kk]]
[17:27:00.098]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.098]                     next
[17:27:00.098]                   args[[name]] <- ""
[17:27:00.098]                 }
[17:27:00.098]                 NAMES <- toupper(removed)
[17:27:00.098]                 for (kk in seq_along(NAMES)) {
[17:27:00.098]                   name <- removed[[kk]]
[17:27:00.098]                   NAME <- NAMES[[kk]]
[17:27:00.098]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.098]                     next
[17:27:00.098]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.098]                 }
[17:27:00.098]                 if (length(args) > 0) 
[17:27:00.098]                   base::do.call(base::Sys.setenv, args = args)
[17:27:00.098]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:00.098]             }
[17:27:00.098]             else {
[17:27:00.098]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:00.098]             }
[17:27:00.098]             {
[17:27:00.098]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:00.098]                   0L) {
[17:27:00.098]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:00.098]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:00.098]                   base::options(opts)
[17:27:00.098]                 }
[17:27:00.098]                 {
[17:27:00.098]                   {
[17:27:00.098]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:00.098]                     NULL
[17:27:00.098]                   }
[17:27:00.098]                   options(future.plan = NULL)
[17:27:00.098]                   if (is.na(NA_character_)) 
[17:27:00.098]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.098]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:00.098]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:00.098]                     .init = FALSE)
[17:27:00.098]                 }
[17:27:00.098]             }
[17:27:00.098]         }
[17:27:00.098]     })
[17:27:00.098]     if (TRUE) {
[17:27:00.098]         base::sink(type = "output", split = FALSE)
[17:27:00.098]         if (TRUE) {
[17:27:00.098]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:00.098]         }
[17:27:00.098]         else {
[17:27:00.098]             ...future.result["stdout"] <- base::list(NULL)
[17:27:00.098]         }
[17:27:00.098]         base::close(...future.stdout)
[17:27:00.098]         ...future.stdout <- NULL
[17:27:00.098]     }
[17:27:00.098]     ...future.result$conditions <- ...future.conditions
[17:27:00.098]     ...future.result$finished <- base::Sys.time()
[17:27:00.098]     ...future.result
[17:27:00.098] }
[17:27:00.183] MultisessionFuture started
[17:27:00.184] result() for ClusterFuture ...
[17:27:00.184] receiveMessageFromWorker() for ClusterFuture ...
[17:27:00.184] - Validating connection of MultisessionFuture
[17:27:00.235] - received message: FutureResult
[17:27:00.235] - Received FutureResult
[17:27:00.239] - Erased future from FutureRegistry
[17:27:00.239] result() for ClusterFuture ...
[17:27:00.239] - result already collected: FutureResult
[17:27:00.240] result() for ClusterFuture ... done
[17:27:00.240] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:00.240] result() for ClusterFuture ... done
[17:27:00.241] result() for ClusterFuture ...
[17:27:00.241] - result already collected: FutureResult
[17:27:00.241] result() for ClusterFuture ... done
[17:27:00.241] plan(): plan_init() of 'multisession', 'cluster', 'multiprocess', 'future', 'function' ... DONE
[17:27:00.244] plan(): nbrOfWorkers() = 2
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:27:00.245] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:27:00.245] Searching for globals...
[17:27:00.249] - globals found: [5] '{', 'x', '<-', '$', '$<-'
[17:27:00.249] Searching for globals ... DONE
[17:27:00.249] Resolving globals: TRUE
[17:27:00.249] Resolving any globals that are futures ...
[17:27:00.249] - globals: [5] '{', 'x', '<-', '$', '$<-'
[17:27:00.250] Resolving any globals that are futures ... DONE
[17:27:00.250] Resolving futures part of globals (recursively) ...
[17:27:00.251] resolve() on list ...
[17:27:00.251]  recursive: 99
[17:27:00.251]  length: 1
[17:27:00.251]  elements: 'x'
[17:27:00.252]  length: 0 (resolved future 1)
[17:27:00.252] resolve() on list ... DONE
[17:27:00.252] - globals: [1] 'x'
[17:27:00.252] Resolving futures part of globals (recursively) ... DONE
[17:27:00.252] The total size of the 1 globals is 0 bytes (0 bytes)
[17:27:00.253] The total size of the 1 globals exported for future expression ('{; x$a <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:27:00.253] - globals: [1] 'x'
[17:27:00.253] 
[17:27:00.254] getGlobalsAndPackages() ... DONE
[17:27:00.254] run() for 'Future' ...
[17:27:00.254] - state: 'created'
[17:27:00.255] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:00.269] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:00.269] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:00.269]   - Field: 'node'
[17:27:00.269]   - Field: 'label'
[17:27:00.270]   - Field: 'local'
[17:27:00.270]   - Field: 'owner'
[17:27:00.270]   - Field: 'envir'
[17:27:00.270]   - Field: 'workers'
[17:27:00.270]   - Field: 'packages'
[17:27:00.270]   - Field: 'gc'
[17:27:00.271]   - Field: 'conditions'
[17:27:00.271]   - Field: 'persistent'
[17:27:00.271]   - Field: 'expr'
[17:27:00.271]   - Field: 'uuid'
[17:27:00.271]   - Field: 'seed'
[17:27:00.272]   - Field: 'version'
[17:27:00.272]   - Field: 'result'
[17:27:00.272]   - Field: 'asynchronous'
[17:27:00.272]   - Field: 'calls'
[17:27:00.272]   - Field: 'globals'
[17:27:00.273]   - Field: 'stdout'
[17:27:00.273]   - Field: 'earlySignal'
[17:27:00.273]   - Field: 'lazy'
[17:27:00.273]   - Field: 'state'
[17:27:00.273] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:00.274] - Launch lazy future ...
[17:27:00.274] Packages needed by the future expression (n = 0): <none>
[17:27:00.274] Packages needed by future strategies (n = 0): <none>
[17:27:00.275] {
[17:27:00.275]     {
[17:27:00.275]         {
[17:27:00.275]             ...future.startTime <- base::Sys.time()
[17:27:00.275]             {
[17:27:00.275]                 {
[17:27:00.275]                   {
[17:27:00.275]                     {
[17:27:00.275]                       base::local({
[17:27:00.275]                         has_future <- base::requireNamespace("future", 
[17:27:00.275]                           quietly = TRUE)
[17:27:00.275]                         if (has_future) {
[17:27:00.275]                           ns <- base::getNamespace("future")
[17:27:00.275]                           version <- ns[[".package"]][["version"]]
[17:27:00.275]                           if (is.null(version)) 
[17:27:00.275]                             version <- utils::packageVersion("future")
[17:27:00.275]                         }
[17:27:00.275]                         else {
[17:27:00.275]                           version <- NULL
[17:27:00.275]                         }
[17:27:00.275]                         if (!has_future || version < "1.8.0") {
[17:27:00.275]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:00.275]                             "", base::R.version$version.string), 
[17:27:00.275]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:00.275]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:00.275]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:00.275]                               "release", "version")], collapse = " "), 
[17:27:00.275]                             hostname = base::Sys.info()[["nodename"]])
[17:27:00.275]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:00.275]                             info)
[17:27:00.275]                           info <- base::paste(info, collapse = "; ")
[17:27:00.275]                           if (!has_future) {
[17:27:00.275]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:00.275]                               info)
[17:27:00.275]                           }
[17:27:00.275]                           else {
[17:27:00.275]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:00.275]                               info, version)
[17:27:00.275]                           }
[17:27:00.275]                           base::stop(msg)
[17:27:00.275]                         }
[17:27:00.275]                       })
[17:27:00.275]                     }
[17:27:00.275]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:00.275]                     base::options(mc.cores = 1L)
[17:27:00.275]                   }
[17:27:00.275]                   ...future.strategy.old <- future::plan("list")
[17:27:00.275]                   options(future.plan = NULL)
[17:27:00.275]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.275]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:00.275]                 }
[17:27:00.275]                 ...future.workdir <- getwd()
[17:27:00.275]             }
[17:27:00.275]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:00.275]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:00.275]         }
[17:27:00.275]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:27:00.275]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:00.275]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:27:00.275]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:27:00.275]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:00.275]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:00.275]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:00.275]             base::names(...future.oldOptions))
[17:27:00.275]     }
[17:27:00.275]     if (FALSE) {
[17:27:00.275]     }
[17:27:00.275]     else {
[17:27:00.275]         if (TRUE) {
[17:27:00.275]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:00.275]                 open = "w")
[17:27:00.275]         }
[17:27:00.275]         else {
[17:27:00.275]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:00.275]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:00.275]         }
[17:27:00.275]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:00.275]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:00.275]             base::sink(type = "output", split = FALSE)
[17:27:00.275]             base::close(...future.stdout)
[17:27:00.275]         }, add = TRUE)
[17:27:00.275]     }
[17:27:00.275]     ...future.frame <- base::sys.nframe()
[17:27:00.275]     ...future.conditions <- base::list()
[17:27:00.275]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:00.275]     if (FALSE) {
[17:27:00.275]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:00.275]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:00.275]     }
[17:27:00.275]     ...future.result <- base::tryCatch({
[17:27:00.275]         base::withCallingHandlers({
[17:27:00.275]             ...future.value <- base::withVisible(base::local({
[17:27:00.275]                 ...future.makeSendCondition <- base::local({
[17:27:00.275]                   sendCondition <- NULL
[17:27:00.275]                   function(frame = 1L) {
[17:27:00.275]                     if (is.function(sendCondition)) 
[17:27:00.275]                       return(sendCondition)
[17:27:00.275]                     ns <- getNamespace("parallel")
[17:27:00.275]                     if (exists("sendData", mode = "function", 
[17:27:00.275]                       envir = ns)) {
[17:27:00.275]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:00.275]                         envir = ns)
[17:27:00.275]                       envir <- sys.frame(frame)
[17:27:00.275]                       master <- NULL
[17:27:00.275]                       while (!identical(envir, .GlobalEnv) && 
[17:27:00.275]                         !identical(envir, emptyenv())) {
[17:27:00.275]                         if (exists("master", mode = "list", envir = envir, 
[17:27:00.275]                           inherits = FALSE)) {
[17:27:00.275]                           master <- get("master", mode = "list", 
[17:27:00.275]                             envir = envir, inherits = FALSE)
[17:27:00.275]                           if (inherits(master, c("SOCKnode", 
[17:27:00.275]                             "SOCK0node"))) {
[17:27:00.275]                             sendCondition <<- function(cond) {
[17:27:00.275]                               data <- list(type = "VALUE", value = cond, 
[17:27:00.275]                                 success = TRUE)
[17:27:00.275]                               parallel_sendData(master, data)
[17:27:00.275]                             }
[17:27:00.275]                             return(sendCondition)
[17:27:00.275]                           }
[17:27:00.275]                         }
[17:27:00.275]                         frame <- frame + 1L
[17:27:00.275]                         envir <- sys.frame(frame)
[17:27:00.275]                       }
[17:27:00.275]                     }
[17:27:00.275]                     sendCondition <<- function(cond) NULL
[17:27:00.275]                   }
[17:27:00.275]                 })
[17:27:00.275]                 withCallingHandlers({
[17:27:00.275]                   {
[17:27:00.275]                     x$a <- 1
[17:27:00.275]                     x
[17:27:00.275]                   }
[17:27:00.275]                 }, immediateCondition = function(cond) {
[17:27:00.275]                   sendCondition <- ...future.makeSendCondition()
[17:27:00.275]                   sendCondition(cond)
[17:27:00.275]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.275]                   {
[17:27:00.275]                     inherits <- base::inherits
[17:27:00.275]                     invokeRestart <- base::invokeRestart
[17:27:00.275]                     is.null <- base::is.null
[17:27:00.275]                     muffled <- FALSE
[17:27:00.275]                     if (inherits(cond, "message")) {
[17:27:00.275]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:00.275]                       if (muffled) 
[17:27:00.275]                         invokeRestart("muffleMessage")
[17:27:00.275]                     }
[17:27:00.275]                     else if (inherits(cond, "warning")) {
[17:27:00.275]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:00.275]                       if (muffled) 
[17:27:00.275]                         invokeRestart("muffleWarning")
[17:27:00.275]                     }
[17:27:00.275]                     else if (inherits(cond, "condition")) {
[17:27:00.275]                       if (!is.null(pattern)) {
[17:27:00.275]                         computeRestarts <- base::computeRestarts
[17:27:00.275]                         grepl <- base::grepl
[17:27:00.275]                         restarts <- computeRestarts(cond)
[17:27:00.275]                         for (restart in restarts) {
[17:27:00.275]                           name <- restart$name
[17:27:00.275]                           if (is.null(name)) 
[17:27:00.275]                             next
[17:27:00.275]                           if (!grepl(pattern, name)) 
[17:27:00.275]                             next
[17:27:00.275]                           invokeRestart(restart)
[17:27:00.275]                           muffled <- TRUE
[17:27:00.275]                           break
[17:27:00.275]                         }
[17:27:00.275]                       }
[17:27:00.275]                     }
[17:27:00.275]                     invisible(muffled)
[17:27:00.275]                   }
[17:27:00.275]                   muffleCondition(cond)
[17:27:00.275]                 })
[17:27:00.275]             }))
[17:27:00.275]             future::FutureResult(value = ...future.value$value, 
[17:27:00.275]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.275]                   ...future.rng), globalenv = if (FALSE) 
[17:27:00.275]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:00.275]                     ...future.globalenv.names))
[17:27:00.275]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:00.275]         }, condition = base::local({
[17:27:00.275]             c <- base::c
[17:27:00.275]             inherits <- base::inherits
[17:27:00.275]             invokeRestart <- base::invokeRestart
[17:27:00.275]             length <- base::length
[17:27:00.275]             list <- base::list
[17:27:00.275]             seq.int <- base::seq.int
[17:27:00.275]             signalCondition <- base::signalCondition
[17:27:00.275]             sys.calls <- base::sys.calls
[17:27:00.275]             `[[` <- base::`[[`
[17:27:00.275]             `+` <- base::`+`
[17:27:00.275]             `<<-` <- base::`<<-`
[17:27:00.275]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:00.275]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:00.275]                   3L)]
[17:27:00.275]             }
[17:27:00.275]             function(cond) {
[17:27:00.275]                 is_error <- inherits(cond, "error")
[17:27:00.275]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:00.275]                   NULL)
[17:27:00.275]                 if (is_error) {
[17:27:00.275]                   sessionInformation <- function() {
[17:27:00.275]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:00.275]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:00.275]                       search = base::search(), system = base::Sys.info())
[17:27:00.275]                   }
[17:27:00.275]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.275]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:00.275]                     cond$call), session = sessionInformation(), 
[17:27:00.275]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:00.275]                   signalCondition(cond)
[17:27:00.275]                 }
[17:27:00.275]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:00.275]                 "immediateCondition"))) {
[17:27:00.275]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:00.275]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.275]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:00.275]                   if (TRUE && !signal) {
[17:27:00.275]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.275]                     {
[17:27:00.275]                       inherits <- base::inherits
[17:27:00.275]                       invokeRestart <- base::invokeRestart
[17:27:00.275]                       is.null <- base::is.null
[17:27:00.275]                       muffled <- FALSE
[17:27:00.275]                       if (inherits(cond, "message")) {
[17:27:00.275]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.275]                         if (muffled) 
[17:27:00.275]                           invokeRestart("muffleMessage")
[17:27:00.275]                       }
[17:27:00.275]                       else if (inherits(cond, "warning")) {
[17:27:00.275]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.275]                         if (muffled) 
[17:27:00.275]                           invokeRestart("muffleWarning")
[17:27:00.275]                       }
[17:27:00.275]                       else if (inherits(cond, "condition")) {
[17:27:00.275]                         if (!is.null(pattern)) {
[17:27:00.275]                           computeRestarts <- base::computeRestarts
[17:27:00.275]                           grepl <- base::grepl
[17:27:00.275]                           restarts <- computeRestarts(cond)
[17:27:00.275]                           for (restart in restarts) {
[17:27:00.275]                             name <- restart$name
[17:27:00.275]                             if (is.null(name)) 
[17:27:00.275]                               next
[17:27:00.275]                             if (!grepl(pattern, name)) 
[17:27:00.275]                               next
[17:27:00.275]                             invokeRestart(restart)
[17:27:00.275]                             muffled <- TRUE
[17:27:00.275]                             break
[17:27:00.275]                           }
[17:27:00.275]                         }
[17:27:00.275]                       }
[17:27:00.275]                       invisible(muffled)
[17:27:00.275]                     }
[17:27:00.275]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.275]                   }
[17:27:00.275]                 }
[17:27:00.275]                 else {
[17:27:00.275]                   if (TRUE) {
[17:27:00.275]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.275]                     {
[17:27:00.275]                       inherits <- base::inherits
[17:27:00.275]                       invokeRestart <- base::invokeRestart
[17:27:00.275]                       is.null <- base::is.null
[17:27:00.275]                       muffled <- FALSE
[17:27:00.275]                       if (inherits(cond, "message")) {
[17:27:00.275]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.275]                         if (muffled) 
[17:27:00.275]                           invokeRestart("muffleMessage")
[17:27:00.275]                       }
[17:27:00.275]                       else if (inherits(cond, "warning")) {
[17:27:00.275]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.275]                         if (muffled) 
[17:27:00.275]                           invokeRestart("muffleWarning")
[17:27:00.275]                       }
[17:27:00.275]                       else if (inherits(cond, "condition")) {
[17:27:00.275]                         if (!is.null(pattern)) {
[17:27:00.275]                           computeRestarts <- base::computeRestarts
[17:27:00.275]                           grepl <- base::grepl
[17:27:00.275]                           restarts <- computeRestarts(cond)
[17:27:00.275]                           for (restart in restarts) {
[17:27:00.275]                             name <- restart$name
[17:27:00.275]                             if (is.null(name)) 
[17:27:00.275]                               next
[17:27:00.275]                             if (!grepl(pattern, name)) 
[17:27:00.275]                               next
[17:27:00.275]                             invokeRestart(restart)
[17:27:00.275]                             muffled <- TRUE
[17:27:00.275]                             break
[17:27:00.275]                           }
[17:27:00.275]                         }
[17:27:00.275]                       }
[17:27:00.275]                       invisible(muffled)
[17:27:00.275]                     }
[17:27:00.275]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.275]                   }
[17:27:00.275]                 }
[17:27:00.275]             }
[17:27:00.275]         }))
[17:27:00.275]     }, error = function(ex) {
[17:27:00.275]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:00.275]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.275]                 ...future.rng), started = ...future.startTime, 
[17:27:00.275]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:00.275]             version = "1.8"), class = "FutureResult")
[17:27:00.275]     }, finally = {
[17:27:00.275]         if (!identical(...future.workdir, getwd())) 
[17:27:00.275]             setwd(...future.workdir)
[17:27:00.275]         {
[17:27:00.275]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:00.275]                 ...future.oldOptions$nwarnings <- NULL
[17:27:00.275]             }
[17:27:00.275]             base::options(...future.oldOptions)
[17:27:00.275]             if (.Platform$OS.type == "windows") {
[17:27:00.275]                 old_names <- names(...future.oldEnvVars)
[17:27:00.275]                 envs <- base::Sys.getenv()
[17:27:00.275]                 names <- names(envs)
[17:27:00.275]                 common <- intersect(names, old_names)
[17:27:00.275]                 added <- setdiff(names, old_names)
[17:27:00.275]                 removed <- setdiff(old_names, names)
[17:27:00.275]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:00.275]                   envs[common]]
[17:27:00.275]                 NAMES <- toupper(changed)
[17:27:00.275]                 args <- list()
[17:27:00.275]                 for (kk in seq_along(NAMES)) {
[17:27:00.275]                   name <- changed[[kk]]
[17:27:00.275]                   NAME <- NAMES[[kk]]
[17:27:00.275]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.275]                     next
[17:27:00.275]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.275]                 }
[17:27:00.275]                 NAMES <- toupper(added)
[17:27:00.275]                 for (kk in seq_along(NAMES)) {
[17:27:00.275]                   name <- added[[kk]]
[17:27:00.275]                   NAME <- NAMES[[kk]]
[17:27:00.275]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.275]                     next
[17:27:00.275]                   args[[name]] <- ""
[17:27:00.275]                 }
[17:27:00.275]                 NAMES <- toupper(removed)
[17:27:00.275]                 for (kk in seq_along(NAMES)) {
[17:27:00.275]                   name <- removed[[kk]]
[17:27:00.275]                   NAME <- NAMES[[kk]]
[17:27:00.275]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.275]                     next
[17:27:00.275]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.275]                 }
[17:27:00.275]                 if (length(args) > 0) 
[17:27:00.275]                   base::do.call(base::Sys.setenv, args = args)
[17:27:00.275]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:00.275]             }
[17:27:00.275]             else {
[17:27:00.275]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:00.275]             }
[17:27:00.275]             {
[17:27:00.275]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:00.275]                   0L) {
[17:27:00.275]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:00.275]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:00.275]                   base::options(opts)
[17:27:00.275]                 }
[17:27:00.275]                 {
[17:27:00.275]                   {
[17:27:00.275]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:00.275]                     NULL
[17:27:00.275]                   }
[17:27:00.275]                   options(future.plan = NULL)
[17:27:00.275]                   if (is.na(NA_character_)) 
[17:27:00.275]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.275]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:00.275]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:00.275]                     .init = FALSE)
[17:27:00.275]                 }
[17:27:00.275]             }
[17:27:00.275]         }
[17:27:00.275]     })
[17:27:00.275]     if (TRUE) {
[17:27:00.275]         base::sink(type = "output", split = FALSE)
[17:27:00.275]         if (TRUE) {
[17:27:00.275]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:00.275]         }
[17:27:00.275]         else {
[17:27:00.275]             ...future.result["stdout"] <- base::list(NULL)
[17:27:00.275]         }
[17:27:00.275]         base::close(...future.stdout)
[17:27:00.275]         ...future.stdout <- NULL
[17:27:00.275]     }
[17:27:00.275]     ...future.result$conditions <- ...future.conditions
[17:27:00.275]     ...future.result$finished <- base::Sys.time()
[17:27:00.275]     ...future.result
[17:27:00.275] }
[17:27:00.280] Exporting 1 global objects (0 bytes) to cluster node #1 ...
[17:27:00.280] Exporting 'x' (0 bytes) to cluster node #1 ...
[17:27:00.281] Exporting 'x' (0 bytes) to cluster node #1 ... DONE
[17:27:00.281] Exporting 1 global objects (0 bytes) to cluster node #1 ... DONE
[17:27:00.282] MultisessionFuture started
[17:27:00.282] - Launch lazy future ... done
[17:27:00.282] run() for 'MultisessionFuture' ... done
[17:27:00.282] result() for ClusterFuture ...
[17:27:00.283] receiveMessageFromWorker() for ClusterFuture ...
[17:27:00.283] - Validating connection of MultisessionFuture
[17:27:00.297] - received message: FutureResult
[17:27:00.297] - Received FutureResult
[17:27:00.297] - Erased future from FutureRegistry
[17:27:00.297] result() for ClusterFuture ...
[17:27:00.297] - result already collected: FutureResult
[17:27:00.298] result() for ClusterFuture ... done
[17:27:00.298] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:00.298] result() for ClusterFuture ... done
[17:27:00.298] result() for ClusterFuture ...
[17:27:00.298] - result already collected: FutureResult
[17:27:00.299] result() for ClusterFuture ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:27:00.299] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:27:00.299] Searching for globals...
[17:27:00.302] - globals found: [5] '{', 'x', '<-', '$', '$<-'
[17:27:00.302] Searching for globals ... DONE
[17:27:00.303] Resolving globals: TRUE
[17:27:00.303] Resolving any globals that are futures ...
[17:27:00.303] - globals: [5] '{', 'x', '<-', '$', '$<-'
[17:27:00.303] Resolving any globals that are futures ... DONE
[17:27:00.304] Resolving futures part of globals (recursively) ...
[17:27:00.304] resolve() on list ...
[17:27:00.304]  recursive: 99
[17:27:00.304]  length: 1
[17:27:00.305]  elements: 'x'
[17:27:00.305]  length: 0 (resolved future 1)
[17:27:00.305] resolve() on list ... DONE
[17:27:00.305] - globals: [1] 'x'
[17:27:00.305] Resolving futures part of globals (recursively) ... DONE
[17:27:00.306] The total size of the 1 globals is 0 bytes (0 bytes)
[17:27:00.306] The total size of the 1 globals exported for future expression ('{; x$a <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:27:00.306] - globals: [1] 'x'
[17:27:00.307] 
[17:27:00.307] getGlobalsAndPackages() ... DONE
[17:27:00.307] run() for 'Future' ...
[17:27:00.307] - state: 'created'
[17:27:00.308] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:00.322] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:00.322] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:00.322]   - Field: 'node'
[17:27:00.322]   - Field: 'label'
[17:27:00.323]   - Field: 'local'
[17:27:00.323]   - Field: 'owner'
[17:27:00.323]   - Field: 'envir'
[17:27:00.323]   - Field: 'workers'
[17:27:00.323]   - Field: 'packages'
[17:27:00.324]   - Field: 'gc'
[17:27:00.324]   - Field: 'conditions'
[17:27:00.324]   - Field: 'persistent'
[17:27:00.324]   - Field: 'expr'
[17:27:00.324]   - Field: 'uuid'
[17:27:00.324]   - Field: 'seed'
[17:27:00.325]   - Field: 'version'
[17:27:00.325]   - Field: 'result'
[17:27:00.325]   - Field: 'asynchronous'
[17:27:00.325]   - Field: 'calls'
[17:27:00.326]   - Field: 'globals'
[17:27:00.326]   - Field: 'stdout'
[17:27:00.326]   - Field: 'earlySignal'
[17:27:00.326]   - Field: 'lazy'
[17:27:00.326]   - Field: 'state'
[17:27:00.327] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:00.327] - Launch lazy future ...
[17:27:00.327] Packages needed by the future expression (n = 0): <none>
[17:27:00.327] Packages needed by future strategies (n = 0): <none>
[17:27:00.328] {
[17:27:00.328]     {
[17:27:00.328]         {
[17:27:00.328]             ...future.startTime <- base::Sys.time()
[17:27:00.328]             {
[17:27:00.328]                 {
[17:27:00.328]                   {
[17:27:00.328]                     {
[17:27:00.328]                       base::local({
[17:27:00.328]                         has_future <- base::requireNamespace("future", 
[17:27:00.328]                           quietly = TRUE)
[17:27:00.328]                         if (has_future) {
[17:27:00.328]                           ns <- base::getNamespace("future")
[17:27:00.328]                           version <- ns[[".package"]][["version"]]
[17:27:00.328]                           if (is.null(version)) 
[17:27:00.328]                             version <- utils::packageVersion("future")
[17:27:00.328]                         }
[17:27:00.328]                         else {
[17:27:00.328]                           version <- NULL
[17:27:00.328]                         }
[17:27:00.328]                         if (!has_future || version < "1.8.0") {
[17:27:00.328]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:00.328]                             "", base::R.version$version.string), 
[17:27:00.328]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:00.328]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:00.328]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:00.328]                               "release", "version")], collapse = " "), 
[17:27:00.328]                             hostname = base::Sys.info()[["nodename"]])
[17:27:00.328]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:00.328]                             info)
[17:27:00.328]                           info <- base::paste(info, collapse = "; ")
[17:27:00.328]                           if (!has_future) {
[17:27:00.328]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:00.328]                               info)
[17:27:00.328]                           }
[17:27:00.328]                           else {
[17:27:00.328]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:00.328]                               info, version)
[17:27:00.328]                           }
[17:27:00.328]                           base::stop(msg)
[17:27:00.328]                         }
[17:27:00.328]                       })
[17:27:00.328]                     }
[17:27:00.328]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:00.328]                     base::options(mc.cores = 1L)
[17:27:00.328]                   }
[17:27:00.328]                   ...future.strategy.old <- future::plan("list")
[17:27:00.328]                   options(future.plan = NULL)
[17:27:00.328]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.328]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:00.328]                 }
[17:27:00.328]                 ...future.workdir <- getwd()
[17:27:00.328]             }
[17:27:00.328]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:00.328]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:00.328]         }
[17:27:00.328]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:27:00.328]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:00.328]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:27:00.328]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:27:00.328]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:00.328]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:00.328]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:00.328]             base::names(...future.oldOptions))
[17:27:00.328]     }
[17:27:00.328]     if (FALSE) {
[17:27:00.328]     }
[17:27:00.328]     else {
[17:27:00.328]         if (TRUE) {
[17:27:00.328]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:00.328]                 open = "w")
[17:27:00.328]         }
[17:27:00.328]         else {
[17:27:00.328]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:00.328]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:00.328]         }
[17:27:00.328]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:00.328]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:00.328]             base::sink(type = "output", split = FALSE)
[17:27:00.328]             base::close(...future.stdout)
[17:27:00.328]         }, add = TRUE)
[17:27:00.328]     }
[17:27:00.328]     ...future.frame <- base::sys.nframe()
[17:27:00.328]     ...future.conditions <- base::list()
[17:27:00.328]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:00.328]     if (FALSE) {
[17:27:00.328]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:00.328]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:00.328]     }
[17:27:00.328]     ...future.result <- base::tryCatch({
[17:27:00.328]         base::withCallingHandlers({
[17:27:00.328]             ...future.value <- base::withVisible(base::local({
[17:27:00.328]                 ...future.makeSendCondition <- base::local({
[17:27:00.328]                   sendCondition <- NULL
[17:27:00.328]                   function(frame = 1L) {
[17:27:00.328]                     if (is.function(sendCondition)) 
[17:27:00.328]                       return(sendCondition)
[17:27:00.328]                     ns <- getNamespace("parallel")
[17:27:00.328]                     if (exists("sendData", mode = "function", 
[17:27:00.328]                       envir = ns)) {
[17:27:00.328]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:00.328]                         envir = ns)
[17:27:00.328]                       envir <- sys.frame(frame)
[17:27:00.328]                       master <- NULL
[17:27:00.328]                       while (!identical(envir, .GlobalEnv) && 
[17:27:00.328]                         !identical(envir, emptyenv())) {
[17:27:00.328]                         if (exists("master", mode = "list", envir = envir, 
[17:27:00.328]                           inherits = FALSE)) {
[17:27:00.328]                           master <- get("master", mode = "list", 
[17:27:00.328]                             envir = envir, inherits = FALSE)
[17:27:00.328]                           if (inherits(master, c("SOCKnode", 
[17:27:00.328]                             "SOCK0node"))) {
[17:27:00.328]                             sendCondition <<- function(cond) {
[17:27:00.328]                               data <- list(type = "VALUE", value = cond, 
[17:27:00.328]                                 success = TRUE)
[17:27:00.328]                               parallel_sendData(master, data)
[17:27:00.328]                             }
[17:27:00.328]                             return(sendCondition)
[17:27:00.328]                           }
[17:27:00.328]                         }
[17:27:00.328]                         frame <- frame + 1L
[17:27:00.328]                         envir <- sys.frame(frame)
[17:27:00.328]                       }
[17:27:00.328]                     }
[17:27:00.328]                     sendCondition <<- function(cond) NULL
[17:27:00.328]                   }
[17:27:00.328]                 })
[17:27:00.328]                 withCallingHandlers({
[17:27:00.328]                   {
[17:27:00.328]                     x$a <- 1
[17:27:00.328]                     x
[17:27:00.328]                   }
[17:27:00.328]                 }, immediateCondition = function(cond) {
[17:27:00.328]                   sendCondition <- ...future.makeSendCondition()
[17:27:00.328]                   sendCondition(cond)
[17:27:00.328]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.328]                   {
[17:27:00.328]                     inherits <- base::inherits
[17:27:00.328]                     invokeRestart <- base::invokeRestart
[17:27:00.328]                     is.null <- base::is.null
[17:27:00.328]                     muffled <- FALSE
[17:27:00.328]                     if (inherits(cond, "message")) {
[17:27:00.328]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:00.328]                       if (muffled) 
[17:27:00.328]                         invokeRestart("muffleMessage")
[17:27:00.328]                     }
[17:27:00.328]                     else if (inherits(cond, "warning")) {
[17:27:00.328]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:00.328]                       if (muffled) 
[17:27:00.328]                         invokeRestart("muffleWarning")
[17:27:00.328]                     }
[17:27:00.328]                     else if (inherits(cond, "condition")) {
[17:27:00.328]                       if (!is.null(pattern)) {
[17:27:00.328]                         computeRestarts <- base::computeRestarts
[17:27:00.328]                         grepl <- base::grepl
[17:27:00.328]                         restarts <- computeRestarts(cond)
[17:27:00.328]                         for (restart in restarts) {
[17:27:00.328]                           name <- restart$name
[17:27:00.328]                           if (is.null(name)) 
[17:27:00.328]                             next
[17:27:00.328]                           if (!grepl(pattern, name)) 
[17:27:00.328]                             next
[17:27:00.328]                           invokeRestart(restart)
[17:27:00.328]                           muffled <- TRUE
[17:27:00.328]                           break
[17:27:00.328]                         }
[17:27:00.328]                       }
[17:27:00.328]                     }
[17:27:00.328]                     invisible(muffled)
[17:27:00.328]                   }
[17:27:00.328]                   muffleCondition(cond)
[17:27:00.328]                 })
[17:27:00.328]             }))
[17:27:00.328]             future::FutureResult(value = ...future.value$value, 
[17:27:00.328]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.328]                   ...future.rng), globalenv = if (FALSE) 
[17:27:00.328]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:00.328]                     ...future.globalenv.names))
[17:27:00.328]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:00.328]         }, condition = base::local({
[17:27:00.328]             c <- base::c
[17:27:00.328]             inherits <- base::inherits
[17:27:00.328]             invokeRestart <- base::invokeRestart
[17:27:00.328]             length <- base::length
[17:27:00.328]             list <- base::list
[17:27:00.328]             seq.int <- base::seq.int
[17:27:00.328]             signalCondition <- base::signalCondition
[17:27:00.328]             sys.calls <- base::sys.calls
[17:27:00.328]             `[[` <- base::`[[`
[17:27:00.328]             `+` <- base::`+`
[17:27:00.328]             `<<-` <- base::`<<-`
[17:27:00.328]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:00.328]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:00.328]                   3L)]
[17:27:00.328]             }
[17:27:00.328]             function(cond) {
[17:27:00.328]                 is_error <- inherits(cond, "error")
[17:27:00.328]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:00.328]                   NULL)
[17:27:00.328]                 if (is_error) {
[17:27:00.328]                   sessionInformation <- function() {
[17:27:00.328]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:00.328]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:00.328]                       search = base::search(), system = base::Sys.info())
[17:27:00.328]                   }
[17:27:00.328]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.328]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:00.328]                     cond$call), session = sessionInformation(), 
[17:27:00.328]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:00.328]                   signalCondition(cond)
[17:27:00.328]                 }
[17:27:00.328]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:00.328]                 "immediateCondition"))) {
[17:27:00.328]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:00.328]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.328]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:00.328]                   if (TRUE && !signal) {
[17:27:00.328]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.328]                     {
[17:27:00.328]                       inherits <- base::inherits
[17:27:00.328]                       invokeRestart <- base::invokeRestart
[17:27:00.328]                       is.null <- base::is.null
[17:27:00.328]                       muffled <- FALSE
[17:27:00.328]                       if (inherits(cond, "message")) {
[17:27:00.328]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.328]                         if (muffled) 
[17:27:00.328]                           invokeRestart("muffleMessage")
[17:27:00.328]                       }
[17:27:00.328]                       else if (inherits(cond, "warning")) {
[17:27:00.328]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.328]                         if (muffled) 
[17:27:00.328]                           invokeRestart("muffleWarning")
[17:27:00.328]                       }
[17:27:00.328]                       else if (inherits(cond, "condition")) {
[17:27:00.328]                         if (!is.null(pattern)) {
[17:27:00.328]                           computeRestarts <- base::computeRestarts
[17:27:00.328]                           grepl <- base::grepl
[17:27:00.328]                           restarts <- computeRestarts(cond)
[17:27:00.328]                           for (restart in restarts) {
[17:27:00.328]                             name <- restart$name
[17:27:00.328]                             if (is.null(name)) 
[17:27:00.328]                               next
[17:27:00.328]                             if (!grepl(pattern, name)) 
[17:27:00.328]                               next
[17:27:00.328]                             invokeRestart(restart)
[17:27:00.328]                             muffled <- TRUE
[17:27:00.328]                             break
[17:27:00.328]                           }
[17:27:00.328]                         }
[17:27:00.328]                       }
[17:27:00.328]                       invisible(muffled)
[17:27:00.328]                     }
[17:27:00.328]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.328]                   }
[17:27:00.328]                 }
[17:27:00.328]                 else {
[17:27:00.328]                   if (TRUE) {
[17:27:00.328]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.328]                     {
[17:27:00.328]                       inherits <- base::inherits
[17:27:00.328]                       invokeRestart <- base::invokeRestart
[17:27:00.328]                       is.null <- base::is.null
[17:27:00.328]                       muffled <- FALSE
[17:27:00.328]                       if (inherits(cond, "message")) {
[17:27:00.328]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.328]                         if (muffled) 
[17:27:00.328]                           invokeRestart("muffleMessage")
[17:27:00.328]                       }
[17:27:00.328]                       else if (inherits(cond, "warning")) {
[17:27:00.328]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.328]                         if (muffled) 
[17:27:00.328]                           invokeRestart("muffleWarning")
[17:27:00.328]                       }
[17:27:00.328]                       else if (inherits(cond, "condition")) {
[17:27:00.328]                         if (!is.null(pattern)) {
[17:27:00.328]                           computeRestarts <- base::computeRestarts
[17:27:00.328]                           grepl <- base::grepl
[17:27:00.328]                           restarts <- computeRestarts(cond)
[17:27:00.328]                           for (restart in restarts) {
[17:27:00.328]                             name <- restart$name
[17:27:00.328]                             if (is.null(name)) 
[17:27:00.328]                               next
[17:27:00.328]                             if (!grepl(pattern, name)) 
[17:27:00.328]                               next
[17:27:00.328]                             invokeRestart(restart)
[17:27:00.328]                             muffled <- TRUE
[17:27:00.328]                             break
[17:27:00.328]                           }
[17:27:00.328]                         }
[17:27:00.328]                       }
[17:27:00.328]                       invisible(muffled)
[17:27:00.328]                     }
[17:27:00.328]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.328]                   }
[17:27:00.328]                 }
[17:27:00.328]             }
[17:27:00.328]         }))
[17:27:00.328]     }, error = function(ex) {
[17:27:00.328]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:00.328]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.328]                 ...future.rng), started = ...future.startTime, 
[17:27:00.328]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:00.328]             version = "1.8"), class = "FutureResult")
[17:27:00.328]     }, finally = {
[17:27:00.328]         if (!identical(...future.workdir, getwd())) 
[17:27:00.328]             setwd(...future.workdir)
[17:27:00.328]         {
[17:27:00.328]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:00.328]                 ...future.oldOptions$nwarnings <- NULL
[17:27:00.328]             }
[17:27:00.328]             base::options(...future.oldOptions)
[17:27:00.328]             if (.Platform$OS.type == "windows") {
[17:27:00.328]                 old_names <- names(...future.oldEnvVars)
[17:27:00.328]                 envs <- base::Sys.getenv()
[17:27:00.328]                 names <- names(envs)
[17:27:00.328]                 common <- intersect(names, old_names)
[17:27:00.328]                 added <- setdiff(names, old_names)
[17:27:00.328]                 removed <- setdiff(old_names, names)
[17:27:00.328]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:00.328]                   envs[common]]
[17:27:00.328]                 NAMES <- toupper(changed)
[17:27:00.328]                 args <- list()
[17:27:00.328]                 for (kk in seq_along(NAMES)) {
[17:27:00.328]                   name <- changed[[kk]]
[17:27:00.328]                   NAME <- NAMES[[kk]]
[17:27:00.328]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.328]                     next
[17:27:00.328]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.328]                 }
[17:27:00.328]                 NAMES <- toupper(added)
[17:27:00.328]                 for (kk in seq_along(NAMES)) {
[17:27:00.328]                   name <- added[[kk]]
[17:27:00.328]                   NAME <- NAMES[[kk]]
[17:27:00.328]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.328]                     next
[17:27:00.328]                   args[[name]] <- ""
[17:27:00.328]                 }
[17:27:00.328]                 NAMES <- toupper(removed)
[17:27:00.328]                 for (kk in seq_along(NAMES)) {
[17:27:00.328]                   name <- removed[[kk]]
[17:27:00.328]                   NAME <- NAMES[[kk]]
[17:27:00.328]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.328]                     next
[17:27:00.328]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.328]                 }
[17:27:00.328]                 if (length(args) > 0) 
[17:27:00.328]                   base::do.call(base::Sys.setenv, args = args)
[17:27:00.328]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:00.328]             }
[17:27:00.328]             else {
[17:27:00.328]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:00.328]             }
[17:27:00.328]             {
[17:27:00.328]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:00.328]                   0L) {
[17:27:00.328]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:00.328]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:00.328]                   base::options(opts)
[17:27:00.328]                 }
[17:27:00.328]                 {
[17:27:00.328]                   {
[17:27:00.328]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:00.328]                     NULL
[17:27:00.328]                   }
[17:27:00.328]                   options(future.plan = NULL)
[17:27:00.328]                   if (is.na(NA_character_)) 
[17:27:00.328]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.328]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:00.328]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:00.328]                     .init = FALSE)
[17:27:00.328]                 }
[17:27:00.328]             }
[17:27:00.328]         }
[17:27:00.328]     })
[17:27:00.328]     if (TRUE) {
[17:27:00.328]         base::sink(type = "output", split = FALSE)
[17:27:00.328]         if (TRUE) {
[17:27:00.328]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:00.328]         }
[17:27:00.328]         else {
[17:27:00.328]             ...future.result["stdout"] <- base::list(NULL)
[17:27:00.328]         }
[17:27:00.328]         base::close(...future.stdout)
[17:27:00.328]         ...future.stdout <- NULL
[17:27:00.328]     }
[17:27:00.328]     ...future.result$conditions <- ...future.conditions
[17:27:00.328]     ...future.result$finished <- base::Sys.time()
[17:27:00.328]     ...future.result
[17:27:00.328] }
[17:27:00.333] Exporting 1 global objects (0 bytes) to cluster node #1 ...
[17:27:00.334] Exporting 'x' (0 bytes) to cluster node #1 ...
[17:27:00.334] Exporting 'x' (0 bytes) to cluster node #1 ... DONE
[17:27:00.334] Exporting 1 global objects (0 bytes) to cluster node #1 ... DONE
[17:27:00.335] MultisessionFuture started
[17:27:00.335] - Launch lazy future ... done
[17:27:00.335] run() for 'MultisessionFuture' ... done
[17:27:00.336] result() for ClusterFuture ...
[17:27:00.336] receiveMessageFromWorker() for ClusterFuture ...
[17:27:00.336] - Validating connection of MultisessionFuture
[17:27:00.349] - received message: FutureResult
[17:27:00.349] - Received FutureResult
[17:27:00.349] - Erased future from FutureRegistry
[17:27:00.349] result() for ClusterFuture ...
[17:27:00.350] - result already collected: FutureResult
[17:27:00.350] result() for ClusterFuture ... done
[17:27:00.350] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:00.350] result() for ClusterFuture ... done
[17:27:00.350] result() for ClusterFuture ...
[17:27:00.350] - result already collected: FutureResult
[17:27:00.351] result() for ClusterFuture ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:27:00.351] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:27:00.352] Searching for globals...
[17:27:00.355] - globals found: [5] '{', 'x', '<-', '$', '$<-'
[17:27:00.355] Searching for globals ... DONE
[17:27:00.355] Resolving globals: TRUE
[17:27:00.355] Resolving any globals that are futures ...
[17:27:00.355] - globals: [5] '{', 'x', '<-', '$', '$<-'
[17:27:00.356] Resolving any globals that are futures ... DONE
[17:27:00.356] Resolving futures part of globals (recursively) ...
[17:27:00.357] resolve() on list ...
[17:27:00.357]  recursive: 99
[17:27:00.357]  length: 1
[17:27:00.357]  elements: 'x'
[17:27:00.357]  length: 0 (resolved future 1)
[17:27:00.358] resolve() on list ... DONE
[17:27:00.358] - globals: [1] 'x'
[17:27:00.358] Resolving futures part of globals (recursively) ... DONE
[17:27:00.358] The total size of the 1 globals is 0 bytes (0 bytes)
[17:27:00.359] The total size of the 1 globals exported for future expression ('{; x$a <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:27:00.359] - globals: [1] 'x'
[17:27:00.359] 
[17:27:00.359] getGlobalsAndPackages() ... DONE
[17:27:00.360] run() for 'Future' ...
[17:27:00.360] - state: 'created'
[17:27:00.360] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:00.376] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:00.376] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:00.376]   - Field: 'node'
[17:27:00.376]   - Field: 'label'
[17:27:00.377]   - Field: 'local'
[17:27:00.377]   - Field: 'owner'
[17:27:00.377]   - Field: 'envir'
[17:27:00.377]   - Field: 'workers'
[17:27:00.377]   - Field: 'packages'
[17:27:00.377]   - Field: 'gc'
[17:27:00.378]   - Field: 'conditions'
[17:27:00.378]   - Field: 'persistent'
[17:27:00.378]   - Field: 'expr'
[17:27:00.378]   - Field: 'uuid'
[17:27:00.378]   - Field: 'seed'
[17:27:00.379]   - Field: 'version'
[17:27:00.379]   - Field: 'result'
[17:27:00.379]   - Field: 'asynchronous'
[17:27:00.379]   - Field: 'calls'
[17:27:00.379]   - Field: 'globals'
[17:27:00.380]   - Field: 'stdout'
[17:27:00.380]   - Field: 'earlySignal'
[17:27:00.380]   - Field: 'lazy'
[17:27:00.380]   - Field: 'state'
[17:27:00.380] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:00.380] - Launch lazy future ...
[17:27:00.381] Packages needed by the future expression (n = 0): <none>
[17:27:00.381] Packages needed by future strategies (n = 0): <none>
[17:27:00.381] {
[17:27:00.381]     {
[17:27:00.381]         {
[17:27:00.381]             ...future.startTime <- base::Sys.time()
[17:27:00.381]             {
[17:27:00.381]                 {
[17:27:00.381]                   {
[17:27:00.381]                     {
[17:27:00.381]                       base::local({
[17:27:00.381]                         has_future <- base::requireNamespace("future", 
[17:27:00.381]                           quietly = TRUE)
[17:27:00.381]                         if (has_future) {
[17:27:00.381]                           ns <- base::getNamespace("future")
[17:27:00.381]                           version <- ns[[".package"]][["version"]]
[17:27:00.381]                           if (is.null(version)) 
[17:27:00.381]                             version <- utils::packageVersion("future")
[17:27:00.381]                         }
[17:27:00.381]                         else {
[17:27:00.381]                           version <- NULL
[17:27:00.381]                         }
[17:27:00.381]                         if (!has_future || version < "1.8.0") {
[17:27:00.381]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:00.381]                             "", base::R.version$version.string), 
[17:27:00.381]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:00.381]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:00.381]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:00.381]                               "release", "version")], collapse = " "), 
[17:27:00.381]                             hostname = base::Sys.info()[["nodename"]])
[17:27:00.381]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:00.381]                             info)
[17:27:00.381]                           info <- base::paste(info, collapse = "; ")
[17:27:00.381]                           if (!has_future) {
[17:27:00.381]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:00.381]                               info)
[17:27:00.381]                           }
[17:27:00.381]                           else {
[17:27:00.381]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:00.381]                               info, version)
[17:27:00.381]                           }
[17:27:00.381]                           base::stop(msg)
[17:27:00.381]                         }
[17:27:00.381]                       })
[17:27:00.381]                     }
[17:27:00.381]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:00.381]                     base::options(mc.cores = 1L)
[17:27:00.381]                   }
[17:27:00.381]                   ...future.strategy.old <- future::plan("list")
[17:27:00.381]                   options(future.plan = NULL)
[17:27:00.381]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.381]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:00.381]                 }
[17:27:00.381]                 ...future.workdir <- getwd()
[17:27:00.381]             }
[17:27:00.381]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:00.381]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:00.381]         }
[17:27:00.381]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:27:00.381]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:00.381]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:27:00.381]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:27:00.381]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:00.381]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:00.381]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:00.381]             base::names(...future.oldOptions))
[17:27:00.381]     }
[17:27:00.381]     if (FALSE) {
[17:27:00.381]     }
[17:27:00.381]     else {
[17:27:00.381]         if (TRUE) {
[17:27:00.381]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:00.381]                 open = "w")
[17:27:00.381]         }
[17:27:00.381]         else {
[17:27:00.381]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:00.381]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:00.381]         }
[17:27:00.381]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:00.381]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:00.381]             base::sink(type = "output", split = FALSE)
[17:27:00.381]             base::close(...future.stdout)
[17:27:00.381]         }, add = TRUE)
[17:27:00.381]     }
[17:27:00.381]     ...future.frame <- base::sys.nframe()
[17:27:00.381]     ...future.conditions <- base::list()
[17:27:00.381]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:00.381]     if (FALSE) {
[17:27:00.381]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:00.381]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:00.381]     }
[17:27:00.381]     ...future.result <- base::tryCatch({
[17:27:00.381]         base::withCallingHandlers({
[17:27:00.381]             ...future.value <- base::withVisible(base::local({
[17:27:00.381]                 ...future.makeSendCondition <- base::local({
[17:27:00.381]                   sendCondition <- NULL
[17:27:00.381]                   function(frame = 1L) {
[17:27:00.381]                     if (is.function(sendCondition)) 
[17:27:00.381]                       return(sendCondition)
[17:27:00.381]                     ns <- getNamespace("parallel")
[17:27:00.381]                     if (exists("sendData", mode = "function", 
[17:27:00.381]                       envir = ns)) {
[17:27:00.381]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:00.381]                         envir = ns)
[17:27:00.381]                       envir <- sys.frame(frame)
[17:27:00.381]                       master <- NULL
[17:27:00.381]                       while (!identical(envir, .GlobalEnv) && 
[17:27:00.381]                         !identical(envir, emptyenv())) {
[17:27:00.381]                         if (exists("master", mode = "list", envir = envir, 
[17:27:00.381]                           inherits = FALSE)) {
[17:27:00.381]                           master <- get("master", mode = "list", 
[17:27:00.381]                             envir = envir, inherits = FALSE)
[17:27:00.381]                           if (inherits(master, c("SOCKnode", 
[17:27:00.381]                             "SOCK0node"))) {
[17:27:00.381]                             sendCondition <<- function(cond) {
[17:27:00.381]                               data <- list(type = "VALUE", value = cond, 
[17:27:00.381]                                 success = TRUE)
[17:27:00.381]                               parallel_sendData(master, data)
[17:27:00.381]                             }
[17:27:00.381]                             return(sendCondition)
[17:27:00.381]                           }
[17:27:00.381]                         }
[17:27:00.381]                         frame <- frame + 1L
[17:27:00.381]                         envir <- sys.frame(frame)
[17:27:00.381]                       }
[17:27:00.381]                     }
[17:27:00.381]                     sendCondition <<- function(cond) NULL
[17:27:00.381]                   }
[17:27:00.381]                 })
[17:27:00.381]                 withCallingHandlers({
[17:27:00.381]                   {
[17:27:00.381]                     x$a <- 1
[17:27:00.381]                     x
[17:27:00.381]                   }
[17:27:00.381]                 }, immediateCondition = function(cond) {
[17:27:00.381]                   sendCondition <- ...future.makeSendCondition()
[17:27:00.381]                   sendCondition(cond)
[17:27:00.381]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.381]                   {
[17:27:00.381]                     inherits <- base::inherits
[17:27:00.381]                     invokeRestart <- base::invokeRestart
[17:27:00.381]                     is.null <- base::is.null
[17:27:00.381]                     muffled <- FALSE
[17:27:00.381]                     if (inherits(cond, "message")) {
[17:27:00.381]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:00.381]                       if (muffled) 
[17:27:00.381]                         invokeRestart("muffleMessage")
[17:27:00.381]                     }
[17:27:00.381]                     else if (inherits(cond, "warning")) {
[17:27:00.381]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:00.381]                       if (muffled) 
[17:27:00.381]                         invokeRestart("muffleWarning")
[17:27:00.381]                     }
[17:27:00.381]                     else if (inherits(cond, "condition")) {
[17:27:00.381]                       if (!is.null(pattern)) {
[17:27:00.381]                         computeRestarts <- base::computeRestarts
[17:27:00.381]                         grepl <- base::grepl
[17:27:00.381]                         restarts <- computeRestarts(cond)
[17:27:00.381]                         for (restart in restarts) {
[17:27:00.381]                           name <- restart$name
[17:27:00.381]                           if (is.null(name)) 
[17:27:00.381]                             next
[17:27:00.381]                           if (!grepl(pattern, name)) 
[17:27:00.381]                             next
[17:27:00.381]                           invokeRestart(restart)
[17:27:00.381]                           muffled <- TRUE
[17:27:00.381]                           break
[17:27:00.381]                         }
[17:27:00.381]                       }
[17:27:00.381]                     }
[17:27:00.381]                     invisible(muffled)
[17:27:00.381]                   }
[17:27:00.381]                   muffleCondition(cond)
[17:27:00.381]                 })
[17:27:00.381]             }))
[17:27:00.381]             future::FutureResult(value = ...future.value$value, 
[17:27:00.381]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.381]                   ...future.rng), globalenv = if (FALSE) 
[17:27:00.381]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:00.381]                     ...future.globalenv.names))
[17:27:00.381]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:00.381]         }, condition = base::local({
[17:27:00.381]             c <- base::c
[17:27:00.381]             inherits <- base::inherits
[17:27:00.381]             invokeRestart <- base::invokeRestart
[17:27:00.381]             length <- base::length
[17:27:00.381]             list <- base::list
[17:27:00.381]             seq.int <- base::seq.int
[17:27:00.381]             signalCondition <- base::signalCondition
[17:27:00.381]             sys.calls <- base::sys.calls
[17:27:00.381]             `[[` <- base::`[[`
[17:27:00.381]             `+` <- base::`+`
[17:27:00.381]             `<<-` <- base::`<<-`
[17:27:00.381]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:00.381]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:00.381]                   3L)]
[17:27:00.381]             }
[17:27:00.381]             function(cond) {
[17:27:00.381]                 is_error <- inherits(cond, "error")
[17:27:00.381]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:00.381]                   NULL)
[17:27:00.381]                 if (is_error) {
[17:27:00.381]                   sessionInformation <- function() {
[17:27:00.381]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:00.381]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:00.381]                       search = base::search(), system = base::Sys.info())
[17:27:00.381]                   }
[17:27:00.381]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.381]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:00.381]                     cond$call), session = sessionInformation(), 
[17:27:00.381]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:00.381]                   signalCondition(cond)
[17:27:00.381]                 }
[17:27:00.381]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:00.381]                 "immediateCondition"))) {
[17:27:00.381]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:00.381]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.381]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:00.381]                   if (TRUE && !signal) {
[17:27:00.381]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.381]                     {
[17:27:00.381]                       inherits <- base::inherits
[17:27:00.381]                       invokeRestart <- base::invokeRestart
[17:27:00.381]                       is.null <- base::is.null
[17:27:00.381]                       muffled <- FALSE
[17:27:00.381]                       if (inherits(cond, "message")) {
[17:27:00.381]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.381]                         if (muffled) 
[17:27:00.381]                           invokeRestart("muffleMessage")
[17:27:00.381]                       }
[17:27:00.381]                       else if (inherits(cond, "warning")) {
[17:27:00.381]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.381]                         if (muffled) 
[17:27:00.381]                           invokeRestart("muffleWarning")
[17:27:00.381]                       }
[17:27:00.381]                       else if (inherits(cond, "condition")) {
[17:27:00.381]                         if (!is.null(pattern)) {
[17:27:00.381]                           computeRestarts <- base::computeRestarts
[17:27:00.381]                           grepl <- base::grepl
[17:27:00.381]                           restarts <- computeRestarts(cond)
[17:27:00.381]                           for (restart in restarts) {
[17:27:00.381]                             name <- restart$name
[17:27:00.381]                             if (is.null(name)) 
[17:27:00.381]                               next
[17:27:00.381]                             if (!grepl(pattern, name)) 
[17:27:00.381]                               next
[17:27:00.381]                             invokeRestart(restart)
[17:27:00.381]                             muffled <- TRUE
[17:27:00.381]                             break
[17:27:00.381]                           }
[17:27:00.381]                         }
[17:27:00.381]                       }
[17:27:00.381]                       invisible(muffled)
[17:27:00.381]                     }
[17:27:00.381]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.381]                   }
[17:27:00.381]                 }
[17:27:00.381]                 else {
[17:27:00.381]                   if (TRUE) {
[17:27:00.381]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.381]                     {
[17:27:00.381]                       inherits <- base::inherits
[17:27:00.381]                       invokeRestart <- base::invokeRestart
[17:27:00.381]                       is.null <- base::is.null
[17:27:00.381]                       muffled <- FALSE
[17:27:00.381]                       if (inherits(cond, "message")) {
[17:27:00.381]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.381]                         if (muffled) 
[17:27:00.381]                           invokeRestart("muffleMessage")
[17:27:00.381]                       }
[17:27:00.381]                       else if (inherits(cond, "warning")) {
[17:27:00.381]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.381]                         if (muffled) 
[17:27:00.381]                           invokeRestart("muffleWarning")
[17:27:00.381]                       }
[17:27:00.381]                       else if (inherits(cond, "condition")) {
[17:27:00.381]                         if (!is.null(pattern)) {
[17:27:00.381]                           computeRestarts <- base::computeRestarts
[17:27:00.381]                           grepl <- base::grepl
[17:27:00.381]                           restarts <- computeRestarts(cond)
[17:27:00.381]                           for (restart in restarts) {
[17:27:00.381]                             name <- restart$name
[17:27:00.381]                             if (is.null(name)) 
[17:27:00.381]                               next
[17:27:00.381]                             if (!grepl(pattern, name)) 
[17:27:00.381]                               next
[17:27:00.381]                             invokeRestart(restart)
[17:27:00.381]                             muffled <- TRUE
[17:27:00.381]                             break
[17:27:00.381]                           }
[17:27:00.381]                         }
[17:27:00.381]                       }
[17:27:00.381]                       invisible(muffled)
[17:27:00.381]                     }
[17:27:00.381]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.381]                   }
[17:27:00.381]                 }
[17:27:00.381]             }
[17:27:00.381]         }))
[17:27:00.381]     }, error = function(ex) {
[17:27:00.381]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:00.381]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.381]                 ...future.rng), started = ...future.startTime, 
[17:27:00.381]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:00.381]             version = "1.8"), class = "FutureResult")
[17:27:00.381]     }, finally = {
[17:27:00.381]         if (!identical(...future.workdir, getwd())) 
[17:27:00.381]             setwd(...future.workdir)
[17:27:00.381]         {
[17:27:00.381]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:00.381]                 ...future.oldOptions$nwarnings <- NULL
[17:27:00.381]             }
[17:27:00.381]             base::options(...future.oldOptions)
[17:27:00.381]             if (.Platform$OS.type == "windows") {
[17:27:00.381]                 old_names <- names(...future.oldEnvVars)
[17:27:00.381]                 envs <- base::Sys.getenv()
[17:27:00.381]                 names <- names(envs)
[17:27:00.381]                 common <- intersect(names, old_names)
[17:27:00.381]                 added <- setdiff(names, old_names)
[17:27:00.381]                 removed <- setdiff(old_names, names)
[17:27:00.381]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:00.381]                   envs[common]]
[17:27:00.381]                 NAMES <- toupper(changed)
[17:27:00.381]                 args <- list()
[17:27:00.381]                 for (kk in seq_along(NAMES)) {
[17:27:00.381]                   name <- changed[[kk]]
[17:27:00.381]                   NAME <- NAMES[[kk]]
[17:27:00.381]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.381]                     next
[17:27:00.381]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.381]                 }
[17:27:00.381]                 NAMES <- toupper(added)
[17:27:00.381]                 for (kk in seq_along(NAMES)) {
[17:27:00.381]                   name <- added[[kk]]
[17:27:00.381]                   NAME <- NAMES[[kk]]
[17:27:00.381]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.381]                     next
[17:27:00.381]                   args[[name]] <- ""
[17:27:00.381]                 }
[17:27:00.381]                 NAMES <- toupper(removed)
[17:27:00.381]                 for (kk in seq_along(NAMES)) {
[17:27:00.381]                   name <- removed[[kk]]
[17:27:00.381]                   NAME <- NAMES[[kk]]
[17:27:00.381]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.381]                     next
[17:27:00.381]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.381]                 }
[17:27:00.381]                 if (length(args) > 0) 
[17:27:00.381]                   base::do.call(base::Sys.setenv, args = args)
[17:27:00.381]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:00.381]             }
[17:27:00.381]             else {
[17:27:00.381]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:00.381]             }
[17:27:00.381]             {
[17:27:00.381]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:00.381]                   0L) {
[17:27:00.381]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:00.381]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:00.381]                   base::options(opts)
[17:27:00.381]                 }
[17:27:00.381]                 {
[17:27:00.381]                   {
[17:27:00.381]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:00.381]                     NULL
[17:27:00.381]                   }
[17:27:00.381]                   options(future.plan = NULL)
[17:27:00.381]                   if (is.na(NA_character_)) 
[17:27:00.381]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.381]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:00.381]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:00.381]                     .init = FALSE)
[17:27:00.381]                 }
[17:27:00.381]             }
[17:27:00.381]         }
[17:27:00.381]     })
[17:27:00.381]     if (TRUE) {
[17:27:00.381]         base::sink(type = "output", split = FALSE)
[17:27:00.381]         if (TRUE) {
[17:27:00.381]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:00.381]         }
[17:27:00.381]         else {
[17:27:00.381]             ...future.result["stdout"] <- base::list(NULL)
[17:27:00.381]         }
[17:27:00.381]         base::close(...future.stdout)
[17:27:00.381]         ...future.stdout <- NULL
[17:27:00.381]     }
[17:27:00.381]     ...future.result$conditions <- ...future.conditions
[17:27:00.381]     ...future.result$finished <- base::Sys.time()
[17:27:00.381]     ...future.result
[17:27:00.381] }
[17:27:00.386] Exporting 1 global objects (0 bytes) to cluster node #1 ...
[17:27:00.387] Exporting 'x' (0 bytes) to cluster node #1 ...
[17:27:00.387] Exporting 'x' (0 bytes) to cluster node #1 ... DONE
[17:27:00.387] Exporting 1 global objects (0 bytes) to cluster node #1 ... DONE
[17:27:00.388] MultisessionFuture started
[17:27:00.388] - Launch lazy future ... done
[17:27:00.388] run() for 'MultisessionFuture' ... done
[17:27:00.389] result() for ClusterFuture ...
[17:27:00.389] receiveMessageFromWorker() for ClusterFuture ...
[17:27:00.389] - Validating connection of MultisessionFuture
[17:27:00.403] - received message: FutureResult
[17:27:00.403] - Received FutureResult
[17:27:00.403] - Erased future from FutureRegistry
[17:27:00.403] result() for ClusterFuture ...
[17:27:00.403] - result already collected: FutureResult
[17:27:00.404] result() for ClusterFuture ... done
[17:27:00.404] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:00.404] result() for ClusterFuture ... done
[17:27:00.404] result() for ClusterFuture ...
[17:27:00.404] - result already collected: FutureResult
[17:27:00.404] result() for ClusterFuture ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:27:00.405] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:27:00.405] Searching for globals...
[17:27:00.408] - globals found: [5] '{', 'x', '<-', '$', '$<-'
[17:27:00.408] Searching for globals ... DONE
[17:27:00.408] Resolving globals: TRUE
[17:27:00.408] Resolving any globals that are futures ...
[17:27:00.408] - globals: [5] '{', 'x', '<-', '$', '$<-'
[17:27:00.408] Resolving any globals that are futures ... DONE
[17:27:00.409] Resolving futures part of globals (recursively) ...
[17:27:00.409] resolve() on list ...
[17:27:00.409]  recursive: 99
[17:27:00.410]  length: 1
[17:27:00.410]  elements: 'x'
[17:27:00.410]  length: 0 (resolved future 1)
[17:27:00.410] resolve() on list ... DONE
[17:27:00.410] - globals: [1] 'x'
[17:27:00.410] Resolving futures part of globals (recursively) ... DONE
[17:27:00.411] The total size of the 1 globals is 0 bytes (0 bytes)
[17:27:00.411] The total size of the 1 globals exported for future expression ('{; x$a <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:27:00.411] - globals: [1] 'x'
[17:27:00.412] 
[17:27:00.412] getGlobalsAndPackages() ... DONE
[17:27:00.412] run() for 'Future' ...
[17:27:00.412] - state: 'created'
[17:27:00.412] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:00.426] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:00.426] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:00.426]   - Field: 'node'
[17:27:00.426]   - Field: 'label'
[17:27:00.427]   - Field: 'local'
[17:27:00.427]   - Field: 'owner'
[17:27:00.427]   - Field: 'envir'
[17:27:00.427]   - Field: 'workers'
[17:27:00.427]   - Field: 'packages'
[17:27:00.428]   - Field: 'gc'
[17:27:00.428]   - Field: 'conditions'
[17:27:00.428]   - Field: 'persistent'
[17:27:00.428]   - Field: 'expr'
[17:27:00.428]   - Field: 'uuid'
[17:27:00.428]   - Field: 'seed'
[17:27:00.429]   - Field: 'version'
[17:27:00.429]   - Field: 'result'
[17:27:00.429]   - Field: 'asynchronous'
[17:27:00.429]   - Field: 'calls'
[17:27:00.429]   - Field: 'globals'
[17:27:00.429]   - Field: 'stdout'
[17:27:00.430]   - Field: 'earlySignal'
[17:27:00.430]   - Field: 'lazy'
[17:27:00.430]   - Field: 'state'
[17:27:00.430] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:00.430] - Launch lazy future ...
[17:27:00.431] Packages needed by the future expression (n = 0): <none>
[17:27:00.431] Packages needed by future strategies (n = 0): <none>
[17:27:00.431] {
[17:27:00.431]     {
[17:27:00.431]         {
[17:27:00.431]             ...future.startTime <- base::Sys.time()
[17:27:00.431]             {
[17:27:00.431]                 {
[17:27:00.431]                   {
[17:27:00.431]                     {
[17:27:00.431]                       base::local({
[17:27:00.431]                         has_future <- base::requireNamespace("future", 
[17:27:00.431]                           quietly = TRUE)
[17:27:00.431]                         if (has_future) {
[17:27:00.431]                           ns <- base::getNamespace("future")
[17:27:00.431]                           version <- ns[[".package"]][["version"]]
[17:27:00.431]                           if (is.null(version)) 
[17:27:00.431]                             version <- utils::packageVersion("future")
[17:27:00.431]                         }
[17:27:00.431]                         else {
[17:27:00.431]                           version <- NULL
[17:27:00.431]                         }
[17:27:00.431]                         if (!has_future || version < "1.8.0") {
[17:27:00.431]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:00.431]                             "", base::R.version$version.string), 
[17:27:00.431]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:00.431]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:00.431]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:00.431]                               "release", "version")], collapse = " "), 
[17:27:00.431]                             hostname = base::Sys.info()[["nodename"]])
[17:27:00.431]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:00.431]                             info)
[17:27:00.431]                           info <- base::paste(info, collapse = "; ")
[17:27:00.431]                           if (!has_future) {
[17:27:00.431]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:00.431]                               info)
[17:27:00.431]                           }
[17:27:00.431]                           else {
[17:27:00.431]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:00.431]                               info, version)
[17:27:00.431]                           }
[17:27:00.431]                           base::stop(msg)
[17:27:00.431]                         }
[17:27:00.431]                       })
[17:27:00.431]                     }
[17:27:00.431]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:00.431]                     base::options(mc.cores = 1L)
[17:27:00.431]                   }
[17:27:00.431]                   ...future.strategy.old <- future::plan("list")
[17:27:00.431]                   options(future.plan = NULL)
[17:27:00.431]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.431]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:00.431]                 }
[17:27:00.431]                 ...future.workdir <- getwd()
[17:27:00.431]             }
[17:27:00.431]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:00.431]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:00.431]         }
[17:27:00.431]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:27:00.431]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:00.431]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:27:00.431]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:27:00.431]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:00.431]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:00.431]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:00.431]             base::names(...future.oldOptions))
[17:27:00.431]     }
[17:27:00.431]     if (FALSE) {
[17:27:00.431]     }
[17:27:00.431]     else {
[17:27:00.431]         if (TRUE) {
[17:27:00.431]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:00.431]                 open = "w")
[17:27:00.431]         }
[17:27:00.431]         else {
[17:27:00.431]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:00.431]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:00.431]         }
[17:27:00.431]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:00.431]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:00.431]             base::sink(type = "output", split = FALSE)
[17:27:00.431]             base::close(...future.stdout)
[17:27:00.431]         }, add = TRUE)
[17:27:00.431]     }
[17:27:00.431]     ...future.frame <- base::sys.nframe()
[17:27:00.431]     ...future.conditions <- base::list()
[17:27:00.431]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:00.431]     if (FALSE) {
[17:27:00.431]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:00.431]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:00.431]     }
[17:27:00.431]     ...future.result <- base::tryCatch({
[17:27:00.431]         base::withCallingHandlers({
[17:27:00.431]             ...future.value <- base::withVisible(base::local({
[17:27:00.431]                 ...future.makeSendCondition <- base::local({
[17:27:00.431]                   sendCondition <- NULL
[17:27:00.431]                   function(frame = 1L) {
[17:27:00.431]                     if (is.function(sendCondition)) 
[17:27:00.431]                       return(sendCondition)
[17:27:00.431]                     ns <- getNamespace("parallel")
[17:27:00.431]                     if (exists("sendData", mode = "function", 
[17:27:00.431]                       envir = ns)) {
[17:27:00.431]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:00.431]                         envir = ns)
[17:27:00.431]                       envir <- sys.frame(frame)
[17:27:00.431]                       master <- NULL
[17:27:00.431]                       while (!identical(envir, .GlobalEnv) && 
[17:27:00.431]                         !identical(envir, emptyenv())) {
[17:27:00.431]                         if (exists("master", mode = "list", envir = envir, 
[17:27:00.431]                           inherits = FALSE)) {
[17:27:00.431]                           master <- get("master", mode = "list", 
[17:27:00.431]                             envir = envir, inherits = FALSE)
[17:27:00.431]                           if (inherits(master, c("SOCKnode", 
[17:27:00.431]                             "SOCK0node"))) {
[17:27:00.431]                             sendCondition <<- function(cond) {
[17:27:00.431]                               data <- list(type = "VALUE", value = cond, 
[17:27:00.431]                                 success = TRUE)
[17:27:00.431]                               parallel_sendData(master, data)
[17:27:00.431]                             }
[17:27:00.431]                             return(sendCondition)
[17:27:00.431]                           }
[17:27:00.431]                         }
[17:27:00.431]                         frame <- frame + 1L
[17:27:00.431]                         envir <- sys.frame(frame)
[17:27:00.431]                       }
[17:27:00.431]                     }
[17:27:00.431]                     sendCondition <<- function(cond) NULL
[17:27:00.431]                   }
[17:27:00.431]                 })
[17:27:00.431]                 withCallingHandlers({
[17:27:00.431]                   {
[17:27:00.431]                     x$a <- 1
[17:27:00.431]                     x
[17:27:00.431]                   }
[17:27:00.431]                 }, immediateCondition = function(cond) {
[17:27:00.431]                   sendCondition <- ...future.makeSendCondition()
[17:27:00.431]                   sendCondition(cond)
[17:27:00.431]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.431]                   {
[17:27:00.431]                     inherits <- base::inherits
[17:27:00.431]                     invokeRestart <- base::invokeRestart
[17:27:00.431]                     is.null <- base::is.null
[17:27:00.431]                     muffled <- FALSE
[17:27:00.431]                     if (inherits(cond, "message")) {
[17:27:00.431]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:00.431]                       if (muffled) 
[17:27:00.431]                         invokeRestart("muffleMessage")
[17:27:00.431]                     }
[17:27:00.431]                     else if (inherits(cond, "warning")) {
[17:27:00.431]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:00.431]                       if (muffled) 
[17:27:00.431]                         invokeRestart("muffleWarning")
[17:27:00.431]                     }
[17:27:00.431]                     else if (inherits(cond, "condition")) {
[17:27:00.431]                       if (!is.null(pattern)) {
[17:27:00.431]                         computeRestarts <- base::computeRestarts
[17:27:00.431]                         grepl <- base::grepl
[17:27:00.431]                         restarts <- computeRestarts(cond)
[17:27:00.431]                         for (restart in restarts) {
[17:27:00.431]                           name <- restart$name
[17:27:00.431]                           if (is.null(name)) 
[17:27:00.431]                             next
[17:27:00.431]                           if (!grepl(pattern, name)) 
[17:27:00.431]                             next
[17:27:00.431]                           invokeRestart(restart)
[17:27:00.431]                           muffled <- TRUE
[17:27:00.431]                           break
[17:27:00.431]                         }
[17:27:00.431]                       }
[17:27:00.431]                     }
[17:27:00.431]                     invisible(muffled)
[17:27:00.431]                   }
[17:27:00.431]                   muffleCondition(cond)
[17:27:00.431]                 })
[17:27:00.431]             }))
[17:27:00.431]             future::FutureResult(value = ...future.value$value, 
[17:27:00.431]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.431]                   ...future.rng), globalenv = if (FALSE) 
[17:27:00.431]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:00.431]                     ...future.globalenv.names))
[17:27:00.431]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:00.431]         }, condition = base::local({
[17:27:00.431]             c <- base::c
[17:27:00.431]             inherits <- base::inherits
[17:27:00.431]             invokeRestart <- base::invokeRestart
[17:27:00.431]             length <- base::length
[17:27:00.431]             list <- base::list
[17:27:00.431]             seq.int <- base::seq.int
[17:27:00.431]             signalCondition <- base::signalCondition
[17:27:00.431]             sys.calls <- base::sys.calls
[17:27:00.431]             `[[` <- base::`[[`
[17:27:00.431]             `+` <- base::`+`
[17:27:00.431]             `<<-` <- base::`<<-`
[17:27:00.431]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:00.431]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:00.431]                   3L)]
[17:27:00.431]             }
[17:27:00.431]             function(cond) {
[17:27:00.431]                 is_error <- inherits(cond, "error")
[17:27:00.431]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:00.431]                   NULL)
[17:27:00.431]                 if (is_error) {
[17:27:00.431]                   sessionInformation <- function() {
[17:27:00.431]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:00.431]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:00.431]                       search = base::search(), system = base::Sys.info())
[17:27:00.431]                   }
[17:27:00.431]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.431]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:00.431]                     cond$call), session = sessionInformation(), 
[17:27:00.431]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:00.431]                   signalCondition(cond)
[17:27:00.431]                 }
[17:27:00.431]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:00.431]                 "immediateCondition"))) {
[17:27:00.431]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:00.431]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.431]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:00.431]                   if (TRUE && !signal) {
[17:27:00.431]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.431]                     {
[17:27:00.431]                       inherits <- base::inherits
[17:27:00.431]                       invokeRestart <- base::invokeRestart
[17:27:00.431]                       is.null <- base::is.null
[17:27:00.431]                       muffled <- FALSE
[17:27:00.431]                       if (inherits(cond, "message")) {
[17:27:00.431]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.431]                         if (muffled) 
[17:27:00.431]                           invokeRestart("muffleMessage")
[17:27:00.431]                       }
[17:27:00.431]                       else if (inherits(cond, "warning")) {
[17:27:00.431]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.431]                         if (muffled) 
[17:27:00.431]                           invokeRestart("muffleWarning")
[17:27:00.431]                       }
[17:27:00.431]                       else if (inherits(cond, "condition")) {
[17:27:00.431]                         if (!is.null(pattern)) {
[17:27:00.431]                           computeRestarts <- base::computeRestarts
[17:27:00.431]                           grepl <- base::grepl
[17:27:00.431]                           restarts <- computeRestarts(cond)
[17:27:00.431]                           for (restart in restarts) {
[17:27:00.431]                             name <- restart$name
[17:27:00.431]                             if (is.null(name)) 
[17:27:00.431]                               next
[17:27:00.431]                             if (!grepl(pattern, name)) 
[17:27:00.431]                               next
[17:27:00.431]                             invokeRestart(restart)
[17:27:00.431]                             muffled <- TRUE
[17:27:00.431]                             break
[17:27:00.431]                           }
[17:27:00.431]                         }
[17:27:00.431]                       }
[17:27:00.431]                       invisible(muffled)
[17:27:00.431]                     }
[17:27:00.431]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.431]                   }
[17:27:00.431]                 }
[17:27:00.431]                 else {
[17:27:00.431]                   if (TRUE) {
[17:27:00.431]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.431]                     {
[17:27:00.431]                       inherits <- base::inherits
[17:27:00.431]                       invokeRestart <- base::invokeRestart
[17:27:00.431]                       is.null <- base::is.null
[17:27:00.431]                       muffled <- FALSE
[17:27:00.431]                       if (inherits(cond, "message")) {
[17:27:00.431]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.431]                         if (muffled) 
[17:27:00.431]                           invokeRestart("muffleMessage")
[17:27:00.431]                       }
[17:27:00.431]                       else if (inherits(cond, "warning")) {
[17:27:00.431]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.431]                         if (muffled) 
[17:27:00.431]                           invokeRestart("muffleWarning")
[17:27:00.431]                       }
[17:27:00.431]                       else if (inherits(cond, "condition")) {
[17:27:00.431]                         if (!is.null(pattern)) {
[17:27:00.431]                           computeRestarts <- base::computeRestarts
[17:27:00.431]                           grepl <- base::grepl
[17:27:00.431]                           restarts <- computeRestarts(cond)
[17:27:00.431]                           for (restart in restarts) {
[17:27:00.431]                             name <- restart$name
[17:27:00.431]                             if (is.null(name)) 
[17:27:00.431]                               next
[17:27:00.431]                             if (!grepl(pattern, name)) 
[17:27:00.431]                               next
[17:27:00.431]                             invokeRestart(restart)
[17:27:00.431]                             muffled <- TRUE
[17:27:00.431]                             break
[17:27:00.431]                           }
[17:27:00.431]                         }
[17:27:00.431]                       }
[17:27:00.431]                       invisible(muffled)
[17:27:00.431]                     }
[17:27:00.431]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.431]                   }
[17:27:00.431]                 }
[17:27:00.431]             }
[17:27:00.431]         }))
[17:27:00.431]     }, error = function(ex) {
[17:27:00.431]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:00.431]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.431]                 ...future.rng), started = ...future.startTime, 
[17:27:00.431]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:00.431]             version = "1.8"), class = "FutureResult")
[17:27:00.431]     }, finally = {
[17:27:00.431]         if (!identical(...future.workdir, getwd())) 
[17:27:00.431]             setwd(...future.workdir)
[17:27:00.431]         {
[17:27:00.431]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:00.431]                 ...future.oldOptions$nwarnings <- NULL
[17:27:00.431]             }
[17:27:00.431]             base::options(...future.oldOptions)
[17:27:00.431]             if (.Platform$OS.type == "windows") {
[17:27:00.431]                 old_names <- names(...future.oldEnvVars)
[17:27:00.431]                 envs <- base::Sys.getenv()
[17:27:00.431]                 names <- names(envs)
[17:27:00.431]                 common <- intersect(names, old_names)
[17:27:00.431]                 added <- setdiff(names, old_names)
[17:27:00.431]                 removed <- setdiff(old_names, names)
[17:27:00.431]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:00.431]                   envs[common]]
[17:27:00.431]                 NAMES <- toupper(changed)
[17:27:00.431]                 args <- list()
[17:27:00.431]                 for (kk in seq_along(NAMES)) {
[17:27:00.431]                   name <- changed[[kk]]
[17:27:00.431]                   NAME <- NAMES[[kk]]
[17:27:00.431]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.431]                     next
[17:27:00.431]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.431]                 }
[17:27:00.431]                 NAMES <- toupper(added)
[17:27:00.431]                 for (kk in seq_along(NAMES)) {
[17:27:00.431]                   name <- added[[kk]]
[17:27:00.431]                   NAME <- NAMES[[kk]]
[17:27:00.431]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.431]                     next
[17:27:00.431]                   args[[name]] <- ""
[17:27:00.431]                 }
[17:27:00.431]                 NAMES <- toupper(removed)
[17:27:00.431]                 for (kk in seq_along(NAMES)) {
[17:27:00.431]                   name <- removed[[kk]]
[17:27:00.431]                   NAME <- NAMES[[kk]]
[17:27:00.431]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.431]                     next
[17:27:00.431]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.431]                 }
[17:27:00.431]                 if (length(args) > 0) 
[17:27:00.431]                   base::do.call(base::Sys.setenv, args = args)
[17:27:00.431]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:00.431]             }
[17:27:00.431]             else {
[17:27:00.431]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:00.431]             }
[17:27:00.431]             {
[17:27:00.431]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:00.431]                   0L) {
[17:27:00.431]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:00.431]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:00.431]                   base::options(opts)
[17:27:00.431]                 }
[17:27:00.431]                 {
[17:27:00.431]                   {
[17:27:00.431]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:00.431]                     NULL
[17:27:00.431]                   }
[17:27:00.431]                   options(future.plan = NULL)
[17:27:00.431]                   if (is.na(NA_character_)) 
[17:27:00.431]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.431]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:00.431]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:00.431]                     .init = FALSE)
[17:27:00.431]                 }
[17:27:00.431]             }
[17:27:00.431]         }
[17:27:00.431]     })
[17:27:00.431]     if (TRUE) {
[17:27:00.431]         base::sink(type = "output", split = FALSE)
[17:27:00.431]         if (TRUE) {
[17:27:00.431]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:00.431]         }
[17:27:00.431]         else {
[17:27:00.431]             ...future.result["stdout"] <- base::list(NULL)
[17:27:00.431]         }
[17:27:00.431]         base::close(...future.stdout)
[17:27:00.431]         ...future.stdout <- NULL
[17:27:00.431]     }
[17:27:00.431]     ...future.result$conditions <- ...future.conditions
[17:27:00.431]     ...future.result$finished <- base::Sys.time()
[17:27:00.431]     ...future.result
[17:27:00.431] }
[17:27:00.436] Exporting 1 global objects (0 bytes) to cluster node #1 ...
[17:27:00.437] Exporting 'x' (0 bytes) to cluster node #1 ...
[17:27:00.437] Exporting 'x' (0 bytes) to cluster node #1 ... DONE
[17:27:00.437] Exporting 1 global objects (0 bytes) to cluster node #1 ... DONE
[17:27:00.438] MultisessionFuture started
[17:27:00.438] - Launch lazy future ... done
[17:27:00.438] run() for 'MultisessionFuture' ... done
[17:27:00.438] result() for ClusterFuture ...
[17:27:00.439] receiveMessageFromWorker() for ClusterFuture ...
[17:27:00.439] - Validating connection of MultisessionFuture
[17:27:00.452] - received message: FutureResult
[17:27:00.452] - Received FutureResult
[17:27:00.452] - Erased future from FutureRegistry
[17:27:00.453] result() for ClusterFuture ...
[17:27:00.453] - result already collected: FutureResult
[17:27:00.453] result() for ClusterFuture ... done
[17:27:00.453] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:00.453] result() for ClusterFuture ... done
[17:27:00.453] result() for ClusterFuture ...
[17:27:00.454] - result already collected: FutureResult
[17:27:00.454] result() for ClusterFuture ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:27:00.454] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:27:00.455] Searching for globals...
[17:27:00.458] - globals found: [5] '{', '<-', 'list', '$', '$<-'
[17:27:00.458] Searching for globals ... DONE
[17:27:00.458] Resolving globals: TRUE
[17:27:00.458] Resolving any globals that are futures ...
[17:27:00.458] - globals: [5] '{', '<-', 'list', '$', '$<-'
[17:27:00.459] Resolving any globals that are futures ... DONE
[17:27:00.459] 
[17:27:00.459] 
[17:27:00.459] getGlobalsAndPackages() ... DONE
[17:27:00.460] run() for 'Future' ...
[17:27:00.460] - state: 'created'
[17:27:00.460] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:00.473] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:00.474] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:00.474]   - Field: 'node'
[17:27:00.474]   - Field: 'label'
[17:27:00.474]   - Field: 'local'
[17:27:00.474]   - Field: 'owner'
[17:27:00.474]   - Field: 'envir'
[17:27:00.475]   - Field: 'workers'
[17:27:00.475]   - Field: 'packages'
[17:27:00.475]   - Field: 'gc'
[17:27:00.475]   - Field: 'conditions'
[17:27:00.475]   - Field: 'persistent'
[17:27:00.476]   - Field: 'expr'
[17:27:00.476]   - Field: 'uuid'
[17:27:00.476]   - Field: 'seed'
[17:27:00.476]   - Field: 'version'
[17:27:00.476]   - Field: 'result'
[17:27:00.476]   - Field: 'asynchronous'
[17:27:00.477]   - Field: 'calls'
[17:27:00.477]   - Field: 'globals'
[17:27:00.477]   - Field: 'stdout'
[17:27:00.477]   - Field: 'earlySignal'
[17:27:00.477]   - Field: 'lazy'
[17:27:00.477]   - Field: 'state'
[17:27:00.478] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:00.478] - Launch lazy future ...
[17:27:00.478] Packages needed by the future expression (n = 0): <none>
[17:27:00.478] Packages needed by future strategies (n = 0): <none>
[17:27:00.479] {
[17:27:00.479]     {
[17:27:00.479]         {
[17:27:00.479]             ...future.startTime <- base::Sys.time()
[17:27:00.479]             {
[17:27:00.479]                 {
[17:27:00.479]                   {
[17:27:00.479]                     {
[17:27:00.479]                       base::local({
[17:27:00.479]                         has_future <- base::requireNamespace("future", 
[17:27:00.479]                           quietly = TRUE)
[17:27:00.479]                         if (has_future) {
[17:27:00.479]                           ns <- base::getNamespace("future")
[17:27:00.479]                           version <- ns[[".package"]][["version"]]
[17:27:00.479]                           if (is.null(version)) 
[17:27:00.479]                             version <- utils::packageVersion("future")
[17:27:00.479]                         }
[17:27:00.479]                         else {
[17:27:00.479]                           version <- NULL
[17:27:00.479]                         }
[17:27:00.479]                         if (!has_future || version < "1.8.0") {
[17:27:00.479]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:00.479]                             "", base::R.version$version.string), 
[17:27:00.479]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:00.479]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:00.479]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:00.479]                               "release", "version")], collapse = " "), 
[17:27:00.479]                             hostname = base::Sys.info()[["nodename"]])
[17:27:00.479]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:00.479]                             info)
[17:27:00.479]                           info <- base::paste(info, collapse = "; ")
[17:27:00.479]                           if (!has_future) {
[17:27:00.479]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:00.479]                               info)
[17:27:00.479]                           }
[17:27:00.479]                           else {
[17:27:00.479]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:00.479]                               info, version)
[17:27:00.479]                           }
[17:27:00.479]                           base::stop(msg)
[17:27:00.479]                         }
[17:27:00.479]                       })
[17:27:00.479]                     }
[17:27:00.479]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:00.479]                     base::options(mc.cores = 1L)
[17:27:00.479]                   }
[17:27:00.479]                   ...future.strategy.old <- future::plan("list")
[17:27:00.479]                   options(future.plan = NULL)
[17:27:00.479]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.479]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:00.479]                 }
[17:27:00.479]                 ...future.workdir <- getwd()
[17:27:00.479]             }
[17:27:00.479]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:00.479]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:00.479]         }
[17:27:00.479]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:27:00.479]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:00.479]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:27:00.479]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:27:00.479]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:00.479]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:00.479]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:00.479]             base::names(...future.oldOptions))
[17:27:00.479]     }
[17:27:00.479]     if (FALSE) {
[17:27:00.479]     }
[17:27:00.479]     else {
[17:27:00.479]         if (TRUE) {
[17:27:00.479]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:00.479]                 open = "w")
[17:27:00.479]         }
[17:27:00.479]         else {
[17:27:00.479]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:00.479]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:00.479]         }
[17:27:00.479]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:00.479]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:00.479]             base::sink(type = "output", split = FALSE)
[17:27:00.479]             base::close(...future.stdout)
[17:27:00.479]         }, add = TRUE)
[17:27:00.479]     }
[17:27:00.479]     ...future.frame <- base::sys.nframe()
[17:27:00.479]     ...future.conditions <- base::list()
[17:27:00.479]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:00.479]     if (FALSE) {
[17:27:00.479]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:00.479]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:00.479]     }
[17:27:00.479]     ...future.result <- base::tryCatch({
[17:27:00.479]         base::withCallingHandlers({
[17:27:00.479]             ...future.value <- base::withVisible(base::local({
[17:27:00.479]                 ...future.makeSendCondition <- base::local({
[17:27:00.479]                   sendCondition <- NULL
[17:27:00.479]                   function(frame = 1L) {
[17:27:00.479]                     if (is.function(sendCondition)) 
[17:27:00.479]                       return(sendCondition)
[17:27:00.479]                     ns <- getNamespace("parallel")
[17:27:00.479]                     if (exists("sendData", mode = "function", 
[17:27:00.479]                       envir = ns)) {
[17:27:00.479]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:00.479]                         envir = ns)
[17:27:00.479]                       envir <- sys.frame(frame)
[17:27:00.479]                       master <- NULL
[17:27:00.479]                       while (!identical(envir, .GlobalEnv) && 
[17:27:00.479]                         !identical(envir, emptyenv())) {
[17:27:00.479]                         if (exists("master", mode = "list", envir = envir, 
[17:27:00.479]                           inherits = FALSE)) {
[17:27:00.479]                           master <- get("master", mode = "list", 
[17:27:00.479]                             envir = envir, inherits = FALSE)
[17:27:00.479]                           if (inherits(master, c("SOCKnode", 
[17:27:00.479]                             "SOCK0node"))) {
[17:27:00.479]                             sendCondition <<- function(cond) {
[17:27:00.479]                               data <- list(type = "VALUE", value = cond, 
[17:27:00.479]                                 success = TRUE)
[17:27:00.479]                               parallel_sendData(master, data)
[17:27:00.479]                             }
[17:27:00.479]                             return(sendCondition)
[17:27:00.479]                           }
[17:27:00.479]                         }
[17:27:00.479]                         frame <- frame + 1L
[17:27:00.479]                         envir <- sys.frame(frame)
[17:27:00.479]                       }
[17:27:00.479]                     }
[17:27:00.479]                     sendCondition <<- function(cond) NULL
[17:27:00.479]                   }
[17:27:00.479]                 })
[17:27:00.479]                 withCallingHandlers({
[17:27:00.479]                   {
[17:27:00.479]                     x <- list(b = 2)
[17:27:00.479]                     x$a <- 1
[17:27:00.479]                     x
[17:27:00.479]                   }
[17:27:00.479]                 }, immediateCondition = function(cond) {
[17:27:00.479]                   sendCondition <- ...future.makeSendCondition()
[17:27:00.479]                   sendCondition(cond)
[17:27:00.479]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.479]                   {
[17:27:00.479]                     inherits <- base::inherits
[17:27:00.479]                     invokeRestart <- base::invokeRestart
[17:27:00.479]                     is.null <- base::is.null
[17:27:00.479]                     muffled <- FALSE
[17:27:00.479]                     if (inherits(cond, "message")) {
[17:27:00.479]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:00.479]                       if (muffled) 
[17:27:00.479]                         invokeRestart("muffleMessage")
[17:27:00.479]                     }
[17:27:00.479]                     else if (inherits(cond, "warning")) {
[17:27:00.479]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:00.479]                       if (muffled) 
[17:27:00.479]                         invokeRestart("muffleWarning")
[17:27:00.479]                     }
[17:27:00.479]                     else if (inherits(cond, "condition")) {
[17:27:00.479]                       if (!is.null(pattern)) {
[17:27:00.479]                         computeRestarts <- base::computeRestarts
[17:27:00.479]                         grepl <- base::grepl
[17:27:00.479]                         restarts <- computeRestarts(cond)
[17:27:00.479]                         for (restart in restarts) {
[17:27:00.479]                           name <- restart$name
[17:27:00.479]                           if (is.null(name)) 
[17:27:00.479]                             next
[17:27:00.479]                           if (!grepl(pattern, name)) 
[17:27:00.479]                             next
[17:27:00.479]                           invokeRestart(restart)
[17:27:00.479]                           muffled <- TRUE
[17:27:00.479]                           break
[17:27:00.479]                         }
[17:27:00.479]                       }
[17:27:00.479]                     }
[17:27:00.479]                     invisible(muffled)
[17:27:00.479]                   }
[17:27:00.479]                   muffleCondition(cond)
[17:27:00.479]                 })
[17:27:00.479]             }))
[17:27:00.479]             future::FutureResult(value = ...future.value$value, 
[17:27:00.479]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.479]                   ...future.rng), globalenv = if (FALSE) 
[17:27:00.479]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:00.479]                     ...future.globalenv.names))
[17:27:00.479]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:00.479]         }, condition = base::local({
[17:27:00.479]             c <- base::c
[17:27:00.479]             inherits <- base::inherits
[17:27:00.479]             invokeRestart <- base::invokeRestart
[17:27:00.479]             length <- base::length
[17:27:00.479]             list <- base::list
[17:27:00.479]             seq.int <- base::seq.int
[17:27:00.479]             signalCondition <- base::signalCondition
[17:27:00.479]             sys.calls <- base::sys.calls
[17:27:00.479]             `[[` <- base::`[[`
[17:27:00.479]             `+` <- base::`+`
[17:27:00.479]             `<<-` <- base::`<<-`
[17:27:00.479]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:00.479]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:00.479]                   3L)]
[17:27:00.479]             }
[17:27:00.479]             function(cond) {
[17:27:00.479]                 is_error <- inherits(cond, "error")
[17:27:00.479]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:00.479]                   NULL)
[17:27:00.479]                 if (is_error) {
[17:27:00.479]                   sessionInformation <- function() {
[17:27:00.479]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:00.479]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:00.479]                       search = base::search(), system = base::Sys.info())
[17:27:00.479]                   }
[17:27:00.479]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.479]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:00.479]                     cond$call), session = sessionInformation(), 
[17:27:00.479]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:00.479]                   signalCondition(cond)
[17:27:00.479]                 }
[17:27:00.479]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:00.479]                 "immediateCondition"))) {
[17:27:00.479]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:00.479]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.479]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:00.479]                   if (TRUE && !signal) {
[17:27:00.479]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.479]                     {
[17:27:00.479]                       inherits <- base::inherits
[17:27:00.479]                       invokeRestart <- base::invokeRestart
[17:27:00.479]                       is.null <- base::is.null
[17:27:00.479]                       muffled <- FALSE
[17:27:00.479]                       if (inherits(cond, "message")) {
[17:27:00.479]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.479]                         if (muffled) 
[17:27:00.479]                           invokeRestart("muffleMessage")
[17:27:00.479]                       }
[17:27:00.479]                       else if (inherits(cond, "warning")) {
[17:27:00.479]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.479]                         if (muffled) 
[17:27:00.479]                           invokeRestart("muffleWarning")
[17:27:00.479]                       }
[17:27:00.479]                       else if (inherits(cond, "condition")) {
[17:27:00.479]                         if (!is.null(pattern)) {
[17:27:00.479]                           computeRestarts <- base::computeRestarts
[17:27:00.479]                           grepl <- base::grepl
[17:27:00.479]                           restarts <- computeRestarts(cond)
[17:27:00.479]                           for (restart in restarts) {
[17:27:00.479]                             name <- restart$name
[17:27:00.479]                             if (is.null(name)) 
[17:27:00.479]                               next
[17:27:00.479]                             if (!grepl(pattern, name)) 
[17:27:00.479]                               next
[17:27:00.479]                             invokeRestart(restart)
[17:27:00.479]                             muffled <- TRUE
[17:27:00.479]                             break
[17:27:00.479]                           }
[17:27:00.479]                         }
[17:27:00.479]                       }
[17:27:00.479]                       invisible(muffled)
[17:27:00.479]                     }
[17:27:00.479]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.479]                   }
[17:27:00.479]                 }
[17:27:00.479]                 else {
[17:27:00.479]                   if (TRUE) {
[17:27:00.479]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.479]                     {
[17:27:00.479]                       inherits <- base::inherits
[17:27:00.479]                       invokeRestart <- base::invokeRestart
[17:27:00.479]                       is.null <- base::is.null
[17:27:00.479]                       muffled <- FALSE
[17:27:00.479]                       if (inherits(cond, "message")) {
[17:27:00.479]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.479]                         if (muffled) 
[17:27:00.479]                           invokeRestart("muffleMessage")
[17:27:00.479]                       }
[17:27:00.479]                       else if (inherits(cond, "warning")) {
[17:27:00.479]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.479]                         if (muffled) 
[17:27:00.479]                           invokeRestart("muffleWarning")
[17:27:00.479]                       }
[17:27:00.479]                       else if (inherits(cond, "condition")) {
[17:27:00.479]                         if (!is.null(pattern)) {
[17:27:00.479]                           computeRestarts <- base::computeRestarts
[17:27:00.479]                           grepl <- base::grepl
[17:27:00.479]                           restarts <- computeRestarts(cond)
[17:27:00.479]                           for (restart in restarts) {
[17:27:00.479]                             name <- restart$name
[17:27:00.479]                             if (is.null(name)) 
[17:27:00.479]                               next
[17:27:00.479]                             if (!grepl(pattern, name)) 
[17:27:00.479]                               next
[17:27:00.479]                             invokeRestart(restart)
[17:27:00.479]                             muffled <- TRUE
[17:27:00.479]                             break
[17:27:00.479]                           }
[17:27:00.479]                         }
[17:27:00.479]                       }
[17:27:00.479]                       invisible(muffled)
[17:27:00.479]                     }
[17:27:00.479]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.479]                   }
[17:27:00.479]                 }
[17:27:00.479]             }
[17:27:00.479]         }))
[17:27:00.479]     }, error = function(ex) {
[17:27:00.479]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:00.479]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.479]                 ...future.rng), started = ...future.startTime, 
[17:27:00.479]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:00.479]             version = "1.8"), class = "FutureResult")
[17:27:00.479]     }, finally = {
[17:27:00.479]         if (!identical(...future.workdir, getwd())) 
[17:27:00.479]             setwd(...future.workdir)
[17:27:00.479]         {
[17:27:00.479]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:00.479]                 ...future.oldOptions$nwarnings <- NULL
[17:27:00.479]             }
[17:27:00.479]             base::options(...future.oldOptions)
[17:27:00.479]             if (.Platform$OS.type == "windows") {
[17:27:00.479]                 old_names <- names(...future.oldEnvVars)
[17:27:00.479]                 envs <- base::Sys.getenv()
[17:27:00.479]                 names <- names(envs)
[17:27:00.479]                 common <- intersect(names, old_names)
[17:27:00.479]                 added <- setdiff(names, old_names)
[17:27:00.479]                 removed <- setdiff(old_names, names)
[17:27:00.479]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:00.479]                   envs[common]]
[17:27:00.479]                 NAMES <- toupper(changed)
[17:27:00.479]                 args <- list()
[17:27:00.479]                 for (kk in seq_along(NAMES)) {
[17:27:00.479]                   name <- changed[[kk]]
[17:27:00.479]                   NAME <- NAMES[[kk]]
[17:27:00.479]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.479]                     next
[17:27:00.479]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.479]                 }
[17:27:00.479]                 NAMES <- toupper(added)
[17:27:00.479]                 for (kk in seq_along(NAMES)) {
[17:27:00.479]                   name <- added[[kk]]
[17:27:00.479]                   NAME <- NAMES[[kk]]
[17:27:00.479]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.479]                     next
[17:27:00.479]                   args[[name]] <- ""
[17:27:00.479]                 }
[17:27:00.479]                 NAMES <- toupper(removed)
[17:27:00.479]                 for (kk in seq_along(NAMES)) {
[17:27:00.479]                   name <- removed[[kk]]
[17:27:00.479]                   NAME <- NAMES[[kk]]
[17:27:00.479]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.479]                     next
[17:27:00.479]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.479]                 }
[17:27:00.479]                 if (length(args) > 0) 
[17:27:00.479]                   base::do.call(base::Sys.setenv, args = args)
[17:27:00.479]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:00.479]             }
[17:27:00.479]             else {
[17:27:00.479]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:00.479]             }
[17:27:00.479]             {
[17:27:00.479]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:00.479]                   0L) {
[17:27:00.479]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:00.479]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:00.479]                   base::options(opts)
[17:27:00.479]                 }
[17:27:00.479]                 {
[17:27:00.479]                   {
[17:27:00.479]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:00.479]                     NULL
[17:27:00.479]                   }
[17:27:00.479]                   options(future.plan = NULL)
[17:27:00.479]                   if (is.na(NA_character_)) 
[17:27:00.479]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.479]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:00.479]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:00.479]                     .init = FALSE)
[17:27:00.479]                 }
[17:27:00.479]             }
[17:27:00.479]         }
[17:27:00.479]     })
[17:27:00.479]     if (TRUE) {
[17:27:00.479]         base::sink(type = "output", split = FALSE)
[17:27:00.479]         if (TRUE) {
[17:27:00.479]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:00.479]         }
[17:27:00.479]         else {
[17:27:00.479]             ...future.result["stdout"] <- base::list(NULL)
[17:27:00.479]         }
[17:27:00.479]         base::close(...future.stdout)
[17:27:00.479]         ...future.stdout <- NULL
[17:27:00.479]     }
[17:27:00.479]     ...future.result$conditions <- ...future.conditions
[17:27:00.479]     ...future.result$finished <- base::Sys.time()
[17:27:00.479]     ...future.result
[17:27:00.479] }
[17:27:00.484] MultisessionFuture started
[17:27:00.484] - Launch lazy future ... done
[17:27:00.485] run() for 'MultisessionFuture' ... done
[17:27:00.485] result() for ClusterFuture ...
[17:27:00.485] receiveMessageFromWorker() for ClusterFuture ...
[17:27:00.485] - Validating connection of MultisessionFuture
[17:27:00.498] - received message: FutureResult
[17:27:00.498] - Received FutureResult
[17:27:00.498] - Erased future from FutureRegistry
[17:27:00.498] result() for ClusterFuture ...
[17:27:00.498] - result already collected: FutureResult
[17:27:00.498] result() for ClusterFuture ... done
[17:27:00.499] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:00.499] result() for ClusterFuture ... done
[17:27:00.499] result() for ClusterFuture ...
[17:27:00.499] - result already collected: FutureResult
[17:27:00.499] result() for ClusterFuture ... done
$b
[1] 2

$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:27:00.500] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:27:00.500] Searching for globals...
[17:27:00.502] - globals found: [5] '{', 'x', '<-', '[[', '[[<-'
[17:27:00.502] Searching for globals ... DONE
[17:27:00.503] Resolving globals: TRUE
[17:27:00.503] Resolving any globals that are futures ...
[17:27:00.503] - globals: [5] '{', 'x', '<-', '[[', '[[<-'
[17:27:00.503] Resolving any globals that are futures ... DONE
[17:27:00.504] Resolving futures part of globals (recursively) ...
[17:27:00.504] resolve() on list ...
[17:27:00.504]  recursive: 99
[17:27:00.504]  length: 1
[17:27:00.504]  elements: 'x'
[17:27:00.505]  length: 0 (resolved future 1)
[17:27:00.505] resolve() on list ... DONE
[17:27:00.505] - globals: [1] 'x'
[17:27:00.505] Resolving futures part of globals (recursively) ... DONE
[17:27:00.505] The total size of the 1 globals is 0 bytes (0 bytes)
[17:27:00.506] The total size of the 1 globals exported for future expression ('{; x[["a"]] <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:27:00.506] - globals: [1] 'x'
[17:27:00.506] 
[17:27:00.506] getGlobalsAndPackages() ... DONE
[17:27:00.507] run() for 'Future' ...
[17:27:00.507] - state: 'created'
[17:27:00.507] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:00.520] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:00.521] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:00.521]   - Field: 'node'
[17:27:00.521]   - Field: 'label'
[17:27:00.521]   - Field: 'local'
[17:27:00.521]   - Field: 'owner'
[17:27:00.522]   - Field: 'envir'
[17:27:00.522]   - Field: 'workers'
[17:27:00.522]   - Field: 'packages'
[17:27:00.522]   - Field: 'gc'
[17:27:00.522]   - Field: 'conditions'
[17:27:00.522]   - Field: 'persistent'
[17:27:00.523]   - Field: 'expr'
[17:27:00.523]   - Field: 'uuid'
[17:27:00.523]   - Field: 'seed'
[17:27:00.523]   - Field: 'version'
[17:27:00.523]   - Field: 'result'
[17:27:00.523]   - Field: 'asynchronous'
[17:27:00.524]   - Field: 'calls'
[17:27:00.524]   - Field: 'globals'
[17:27:00.524]   - Field: 'stdout'
[17:27:00.524]   - Field: 'earlySignal'
[17:27:00.524]   - Field: 'lazy'
[17:27:00.524]   - Field: 'state'
[17:27:00.525] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:00.525] - Launch lazy future ...
[17:27:00.525] Packages needed by the future expression (n = 0): <none>
[17:27:00.525] Packages needed by future strategies (n = 0): <none>
[17:27:00.526] {
[17:27:00.526]     {
[17:27:00.526]         {
[17:27:00.526]             ...future.startTime <- base::Sys.time()
[17:27:00.526]             {
[17:27:00.526]                 {
[17:27:00.526]                   {
[17:27:00.526]                     {
[17:27:00.526]                       base::local({
[17:27:00.526]                         has_future <- base::requireNamespace("future", 
[17:27:00.526]                           quietly = TRUE)
[17:27:00.526]                         if (has_future) {
[17:27:00.526]                           ns <- base::getNamespace("future")
[17:27:00.526]                           version <- ns[[".package"]][["version"]]
[17:27:00.526]                           if (is.null(version)) 
[17:27:00.526]                             version <- utils::packageVersion("future")
[17:27:00.526]                         }
[17:27:00.526]                         else {
[17:27:00.526]                           version <- NULL
[17:27:00.526]                         }
[17:27:00.526]                         if (!has_future || version < "1.8.0") {
[17:27:00.526]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:00.526]                             "", base::R.version$version.string), 
[17:27:00.526]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:00.526]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:00.526]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:00.526]                               "release", "version")], collapse = " "), 
[17:27:00.526]                             hostname = base::Sys.info()[["nodename"]])
[17:27:00.526]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:00.526]                             info)
[17:27:00.526]                           info <- base::paste(info, collapse = "; ")
[17:27:00.526]                           if (!has_future) {
[17:27:00.526]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:00.526]                               info)
[17:27:00.526]                           }
[17:27:00.526]                           else {
[17:27:00.526]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:00.526]                               info, version)
[17:27:00.526]                           }
[17:27:00.526]                           base::stop(msg)
[17:27:00.526]                         }
[17:27:00.526]                       })
[17:27:00.526]                     }
[17:27:00.526]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:00.526]                     base::options(mc.cores = 1L)
[17:27:00.526]                   }
[17:27:00.526]                   ...future.strategy.old <- future::plan("list")
[17:27:00.526]                   options(future.plan = NULL)
[17:27:00.526]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.526]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:00.526]                 }
[17:27:00.526]                 ...future.workdir <- getwd()
[17:27:00.526]             }
[17:27:00.526]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:00.526]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:00.526]         }
[17:27:00.526]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:27:00.526]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:00.526]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:27:00.526]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:27:00.526]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:00.526]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:00.526]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:00.526]             base::names(...future.oldOptions))
[17:27:00.526]     }
[17:27:00.526]     if (FALSE) {
[17:27:00.526]     }
[17:27:00.526]     else {
[17:27:00.526]         if (TRUE) {
[17:27:00.526]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:00.526]                 open = "w")
[17:27:00.526]         }
[17:27:00.526]         else {
[17:27:00.526]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:00.526]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:00.526]         }
[17:27:00.526]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:00.526]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:00.526]             base::sink(type = "output", split = FALSE)
[17:27:00.526]             base::close(...future.stdout)
[17:27:00.526]         }, add = TRUE)
[17:27:00.526]     }
[17:27:00.526]     ...future.frame <- base::sys.nframe()
[17:27:00.526]     ...future.conditions <- base::list()
[17:27:00.526]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:00.526]     if (FALSE) {
[17:27:00.526]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:00.526]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:00.526]     }
[17:27:00.526]     ...future.result <- base::tryCatch({
[17:27:00.526]         base::withCallingHandlers({
[17:27:00.526]             ...future.value <- base::withVisible(base::local({
[17:27:00.526]                 ...future.makeSendCondition <- base::local({
[17:27:00.526]                   sendCondition <- NULL
[17:27:00.526]                   function(frame = 1L) {
[17:27:00.526]                     if (is.function(sendCondition)) 
[17:27:00.526]                       return(sendCondition)
[17:27:00.526]                     ns <- getNamespace("parallel")
[17:27:00.526]                     if (exists("sendData", mode = "function", 
[17:27:00.526]                       envir = ns)) {
[17:27:00.526]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:00.526]                         envir = ns)
[17:27:00.526]                       envir <- sys.frame(frame)
[17:27:00.526]                       master <- NULL
[17:27:00.526]                       while (!identical(envir, .GlobalEnv) && 
[17:27:00.526]                         !identical(envir, emptyenv())) {
[17:27:00.526]                         if (exists("master", mode = "list", envir = envir, 
[17:27:00.526]                           inherits = FALSE)) {
[17:27:00.526]                           master <- get("master", mode = "list", 
[17:27:00.526]                             envir = envir, inherits = FALSE)
[17:27:00.526]                           if (inherits(master, c("SOCKnode", 
[17:27:00.526]                             "SOCK0node"))) {
[17:27:00.526]                             sendCondition <<- function(cond) {
[17:27:00.526]                               data <- list(type = "VALUE", value = cond, 
[17:27:00.526]                                 success = TRUE)
[17:27:00.526]                               parallel_sendData(master, data)
[17:27:00.526]                             }
[17:27:00.526]                             return(sendCondition)
[17:27:00.526]                           }
[17:27:00.526]                         }
[17:27:00.526]                         frame <- frame + 1L
[17:27:00.526]                         envir <- sys.frame(frame)
[17:27:00.526]                       }
[17:27:00.526]                     }
[17:27:00.526]                     sendCondition <<- function(cond) NULL
[17:27:00.526]                   }
[17:27:00.526]                 })
[17:27:00.526]                 withCallingHandlers({
[17:27:00.526]                   {
[17:27:00.526]                     x[["a"]] <- 1
[17:27:00.526]                     x
[17:27:00.526]                   }
[17:27:00.526]                 }, immediateCondition = function(cond) {
[17:27:00.526]                   sendCondition <- ...future.makeSendCondition()
[17:27:00.526]                   sendCondition(cond)
[17:27:00.526]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.526]                   {
[17:27:00.526]                     inherits <- base::inherits
[17:27:00.526]                     invokeRestart <- base::invokeRestart
[17:27:00.526]                     is.null <- base::is.null
[17:27:00.526]                     muffled <- FALSE
[17:27:00.526]                     if (inherits(cond, "message")) {
[17:27:00.526]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:00.526]                       if (muffled) 
[17:27:00.526]                         invokeRestart("muffleMessage")
[17:27:00.526]                     }
[17:27:00.526]                     else if (inherits(cond, "warning")) {
[17:27:00.526]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:00.526]                       if (muffled) 
[17:27:00.526]                         invokeRestart("muffleWarning")
[17:27:00.526]                     }
[17:27:00.526]                     else if (inherits(cond, "condition")) {
[17:27:00.526]                       if (!is.null(pattern)) {
[17:27:00.526]                         computeRestarts <- base::computeRestarts
[17:27:00.526]                         grepl <- base::grepl
[17:27:00.526]                         restarts <- computeRestarts(cond)
[17:27:00.526]                         for (restart in restarts) {
[17:27:00.526]                           name <- restart$name
[17:27:00.526]                           if (is.null(name)) 
[17:27:00.526]                             next
[17:27:00.526]                           if (!grepl(pattern, name)) 
[17:27:00.526]                             next
[17:27:00.526]                           invokeRestart(restart)
[17:27:00.526]                           muffled <- TRUE
[17:27:00.526]                           break
[17:27:00.526]                         }
[17:27:00.526]                       }
[17:27:00.526]                     }
[17:27:00.526]                     invisible(muffled)
[17:27:00.526]                   }
[17:27:00.526]                   muffleCondition(cond)
[17:27:00.526]                 })
[17:27:00.526]             }))
[17:27:00.526]             future::FutureResult(value = ...future.value$value, 
[17:27:00.526]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.526]                   ...future.rng), globalenv = if (FALSE) 
[17:27:00.526]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:00.526]                     ...future.globalenv.names))
[17:27:00.526]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:00.526]         }, condition = base::local({
[17:27:00.526]             c <- base::c
[17:27:00.526]             inherits <- base::inherits
[17:27:00.526]             invokeRestart <- base::invokeRestart
[17:27:00.526]             length <- base::length
[17:27:00.526]             list <- base::list
[17:27:00.526]             seq.int <- base::seq.int
[17:27:00.526]             signalCondition <- base::signalCondition
[17:27:00.526]             sys.calls <- base::sys.calls
[17:27:00.526]             `[[` <- base::`[[`
[17:27:00.526]             `+` <- base::`+`
[17:27:00.526]             `<<-` <- base::`<<-`
[17:27:00.526]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:00.526]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:00.526]                   3L)]
[17:27:00.526]             }
[17:27:00.526]             function(cond) {
[17:27:00.526]                 is_error <- inherits(cond, "error")
[17:27:00.526]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:00.526]                   NULL)
[17:27:00.526]                 if (is_error) {
[17:27:00.526]                   sessionInformation <- function() {
[17:27:00.526]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:00.526]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:00.526]                       search = base::search(), system = base::Sys.info())
[17:27:00.526]                   }
[17:27:00.526]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.526]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:00.526]                     cond$call), session = sessionInformation(), 
[17:27:00.526]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:00.526]                   signalCondition(cond)
[17:27:00.526]                 }
[17:27:00.526]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:00.526]                 "immediateCondition"))) {
[17:27:00.526]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:00.526]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.526]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:00.526]                   if (TRUE && !signal) {
[17:27:00.526]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.526]                     {
[17:27:00.526]                       inherits <- base::inherits
[17:27:00.526]                       invokeRestart <- base::invokeRestart
[17:27:00.526]                       is.null <- base::is.null
[17:27:00.526]                       muffled <- FALSE
[17:27:00.526]                       if (inherits(cond, "message")) {
[17:27:00.526]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.526]                         if (muffled) 
[17:27:00.526]                           invokeRestart("muffleMessage")
[17:27:00.526]                       }
[17:27:00.526]                       else if (inherits(cond, "warning")) {
[17:27:00.526]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.526]                         if (muffled) 
[17:27:00.526]                           invokeRestart("muffleWarning")
[17:27:00.526]                       }
[17:27:00.526]                       else if (inherits(cond, "condition")) {
[17:27:00.526]                         if (!is.null(pattern)) {
[17:27:00.526]                           computeRestarts <- base::computeRestarts
[17:27:00.526]                           grepl <- base::grepl
[17:27:00.526]                           restarts <- computeRestarts(cond)
[17:27:00.526]                           for (restart in restarts) {
[17:27:00.526]                             name <- restart$name
[17:27:00.526]                             if (is.null(name)) 
[17:27:00.526]                               next
[17:27:00.526]                             if (!grepl(pattern, name)) 
[17:27:00.526]                               next
[17:27:00.526]                             invokeRestart(restart)
[17:27:00.526]                             muffled <- TRUE
[17:27:00.526]                             break
[17:27:00.526]                           }
[17:27:00.526]                         }
[17:27:00.526]                       }
[17:27:00.526]                       invisible(muffled)
[17:27:00.526]                     }
[17:27:00.526]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.526]                   }
[17:27:00.526]                 }
[17:27:00.526]                 else {
[17:27:00.526]                   if (TRUE) {
[17:27:00.526]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.526]                     {
[17:27:00.526]                       inherits <- base::inherits
[17:27:00.526]                       invokeRestart <- base::invokeRestart
[17:27:00.526]                       is.null <- base::is.null
[17:27:00.526]                       muffled <- FALSE
[17:27:00.526]                       if (inherits(cond, "message")) {
[17:27:00.526]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.526]                         if (muffled) 
[17:27:00.526]                           invokeRestart("muffleMessage")
[17:27:00.526]                       }
[17:27:00.526]                       else if (inherits(cond, "warning")) {
[17:27:00.526]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.526]                         if (muffled) 
[17:27:00.526]                           invokeRestart("muffleWarning")
[17:27:00.526]                       }
[17:27:00.526]                       else if (inherits(cond, "condition")) {
[17:27:00.526]                         if (!is.null(pattern)) {
[17:27:00.526]                           computeRestarts <- base::computeRestarts
[17:27:00.526]                           grepl <- base::grepl
[17:27:00.526]                           restarts <- computeRestarts(cond)
[17:27:00.526]                           for (restart in restarts) {
[17:27:00.526]                             name <- restart$name
[17:27:00.526]                             if (is.null(name)) 
[17:27:00.526]                               next
[17:27:00.526]                             if (!grepl(pattern, name)) 
[17:27:00.526]                               next
[17:27:00.526]                             invokeRestart(restart)
[17:27:00.526]                             muffled <- TRUE
[17:27:00.526]                             break
[17:27:00.526]                           }
[17:27:00.526]                         }
[17:27:00.526]                       }
[17:27:00.526]                       invisible(muffled)
[17:27:00.526]                     }
[17:27:00.526]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.526]                   }
[17:27:00.526]                 }
[17:27:00.526]             }
[17:27:00.526]         }))
[17:27:00.526]     }, error = function(ex) {
[17:27:00.526]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:00.526]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.526]                 ...future.rng), started = ...future.startTime, 
[17:27:00.526]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:00.526]             version = "1.8"), class = "FutureResult")
[17:27:00.526]     }, finally = {
[17:27:00.526]         if (!identical(...future.workdir, getwd())) 
[17:27:00.526]             setwd(...future.workdir)
[17:27:00.526]         {
[17:27:00.526]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:00.526]                 ...future.oldOptions$nwarnings <- NULL
[17:27:00.526]             }
[17:27:00.526]             base::options(...future.oldOptions)
[17:27:00.526]             if (.Platform$OS.type == "windows") {
[17:27:00.526]                 old_names <- names(...future.oldEnvVars)
[17:27:00.526]                 envs <- base::Sys.getenv()
[17:27:00.526]                 names <- names(envs)
[17:27:00.526]                 common <- intersect(names, old_names)
[17:27:00.526]                 added <- setdiff(names, old_names)
[17:27:00.526]                 removed <- setdiff(old_names, names)
[17:27:00.526]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:00.526]                   envs[common]]
[17:27:00.526]                 NAMES <- toupper(changed)
[17:27:00.526]                 args <- list()
[17:27:00.526]                 for (kk in seq_along(NAMES)) {
[17:27:00.526]                   name <- changed[[kk]]
[17:27:00.526]                   NAME <- NAMES[[kk]]
[17:27:00.526]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.526]                     next
[17:27:00.526]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.526]                 }
[17:27:00.526]                 NAMES <- toupper(added)
[17:27:00.526]                 for (kk in seq_along(NAMES)) {
[17:27:00.526]                   name <- added[[kk]]
[17:27:00.526]                   NAME <- NAMES[[kk]]
[17:27:00.526]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.526]                     next
[17:27:00.526]                   args[[name]] <- ""
[17:27:00.526]                 }
[17:27:00.526]                 NAMES <- toupper(removed)
[17:27:00.526]                 for (kk in seq_along(NAMES)) {
[17:27:00.526]                   name <- removed[[kk]]
[17:27:00.526]                   NAME <- NAMES[[kk]]
[17:27:00.526]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.526]                     next
[17:27:00.526]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.526]                 }
[17:27:00.526]                 if (length(args) > 0) 
[17:27:00.526]                   base::do.call(base::Sys.setenv, args = args)
[17:27:00.526]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:00.526]             }
[17:27:00.526]             else {
[17:27:00.526]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:00.526]             }
[17:27:00.526]             {
[17:27:00.526]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:00.526]                   0L) {
[17:27:00.526]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:00.526]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:00.526]                   base::options(opts)
[17:27:00.526]                 }
[17:27:00.526]                 {
[17:27:00.526]                   {
[17:27:00.526]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:00.526]                     NULL
[17:27:00.526]                   }
[17:27:00.526]                   options(future.plan = NULL)
[17:27:00.526]                   if (is.na(NA_character_)) 
[17:27:00.526]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.526]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:00.526]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:00.526]                     .init = FALSE)
[17:27:00.526]                 }
[17:27:00.526]             }
[17:27:00.526]         }
[17:27:00.526]     })
[17:27:00.526]     if (TRUE) {
[17:27:00.526]         base::sink(type = "output", split = FALSE)
[17:27:00.526]         if (TRUE) {
[17:27:00.526]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:00.526]         }
[17:27:00.526]         else {
[17:27:00.526]             ...future.result["stdout"] <- base::list(NULL)
[17:27:00.526]         }
[17:27:00.526]         base::close(...future.stdout)
[17:27:00.526]         ...future.stdout <- NULL
[17:27:00.526]     }
[17:27:00.526]     ...future.result$conditions <- ...future.conditions
[17:27:00.526]     ...future.result$finished <- base::Sys.time()
[17:27:00.526]     ...future.result
[17:27:00.526] }
[17:27:00.531] Exporting 1 global objects (0 bytes) to cluster node #1 ...
[17:27:00.531] Exporting 'x' (0 bytes) to cluster node #1 ...
[17:27:00.531] Exporting 'x' (0 bytes) to cluster node #1 ... DONE
[17:27:00.532] Exporting 1 global objects (0 bytes) to cluster node #1 ... DONE
[17:27:00.532] MultisessionFuture started
[17:27:00.532] - Launch lazy future ... done
[17:27:00.533] run() for 'MultisessionFuture' ... done
[17:27:00.533] result() for ClusterFuture ...
[17:27:00.533] receiveMessageFromWorker() for ClusterFuture ...
[17:27:00.533] - Validating connection of MultisessionFuture
[17:27:00.547] - received message: FutureResult
[17:27:00.547] - Received FutureResult
[17:27:00.547] - Erased future from FutureRegistry
[17:27:00.547] result() for ClusterFuture ...
[17:27:00.547] - result already collected: FutureResult
[17:27:00.547] result() for ClusterFuture ... done
[17:27:00.548] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:00.548] result() for ClusterFuture ... done
[17:27:00.548] result() for ClusterFuture ...
[17:27:00.548] - result already collected: FutureResult
[17:27:00.548] result() for ClusterFuture ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:27:00.549] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:27:00.549] Searching for globals...
[17:27:00.551] - globals found: [5] '{', 'x', '<-', '[[', '[[<-'
[17:27:00.551] Searching for globals ... DONE
[17:27:00.552] Resolving globals: TRUE
[17:27:00.552] Resolving any globals that are futures ...
[17:27:00.552] - globals: [5] '{', 'x', '<-', '[[', '[[<-'
[17:27:00.552] Resolving any globals that are futures ... DONE
[17:27:00.553] Resolving futures part of globals (recursively) ...
[17:27:00.553] resolve() on list ...
[17:27:00.553]  recursive: 99
[17:27:00.553]  length: 1
[17:27:00.553]  elements: 'x'
[17:27:00.554]  length: 0 (resolved future 1)
[17:27:00.554] resolve() on list ... DONE
[17:27:00.554] - globals: [1] 'x'
[17:27:00.554] Resolving futures part of globals (recursively) ... DONE
[17:27:00.554] The total size of the 1 globals is 0 bytes (0 bytes)
[17:27:00.555] The total size of the 1 globals exported for future expression ('{; x[["a"]] <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:27:00.555] - globals: [1] 'x'
[17:27:00.555] 
[17:27:00.555] getGlobalsAndPackages() ... DONE
[17:27:00.556] run() for 'Future' ...
[17:27:00.556] - state: 'created'
[17:27:00.556] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:00.569] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:00.570] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:00.570]   - Field: 'node'
[17:27:00.570]   - Field: 'label'
[17:27:00.570]   - Field: 'local'
[17:27:00.570]   - Field: 'owner'
[17:27:00.571]   - Field: 'envir'
[17:27:00.571]   - Field: 'workers'
[17:27:00.571]   - Field: 'packages'
[17:27:00.571]   - Field: 'gc'
[17:27:00.571]   - Field: 'conditions'
[17:27:00.571]   - Field: 'persistent'
[17:27:00.572]   - Field: 'expr'
[17:27:00.572]   - Field: 'uuid'
[17:27:00.572]   - Field: 'seed'
[17:27:00.572]   - Field: 'version'
[17:27:00.572]   - Field: 'result'
[17:27:00.572]   - Field: 'asynchronous'
[17:27:00.573]   - Field: 'calls'
[17:27:00.573]   - Field: 'globals'
[17:27:00.573]   - Field: 'stdout'
[17:27:00.573]   - Field: 'earlySignal'
[17:27:00.573]   - Field: 'lazy'
[17:27:00.574]   - Field: 'state'
[17:27:00.574] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:00.574] - Launch lazy future ...
[17:27:00.574] Packages needed by the future expression (n = 0): <none>
[17:27:00.574] Packages needed by future strategies (n = 0): <none>
[17:27:00.575] {
[17:27:00.575]     {
[17:27:00.575]         {
[17:27:00.575]             ...future.startTime <- base::Sys.time()
[17:27:00.575]             {
[17:27:00.575]                 {
[17:27:00.575]                   {
[17:27:00.575]                     {
[17:27:00.575]                       base::local({
[17:27:00.575]                         has_future <- base::requireNamespace("future", 
[17:27:00.575]                           quietly = TRUE)
[17:27:00.575]                         if (has_future) {
[17:27:00.575]                           ns <- base::getNamespace("future")
[17:27:00.575]                           version <- ns[[".package"]][["version"]]
[17:27:00.575]                           if (is.null(version)) 
[17:27:00.575]                             version <- utils::packageVersion("future")
[17:27:00.575]                         }
[17:27:00.575]                         else {
[17:27:00.575]                           version <- NULL
[17:27:00.575]                         }
[17:27:00.575]                         if (!has_future || version < "1.8.0") {
[17:27:00.575]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:00.575]                             "", base::R.version$version.string), 
[17:27:00.575]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:00.575]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:00.575]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:00.575]                               "release", "version")], collapse = " "), 
[17:27:00.575]                             hostname = base::Sys.info()[["nodename"]])
[17:27:00.575]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:00.575]                             info)
[17:27:00.575]                           info <- base::paste(info, collapse = "; ")
[17:27:00.575]                           if (!has_future) {
[17:27:00.575]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:00.575]                               info)
[17:27:00.575]                           }
[17:27:00.575]                           else {
[17:27:00.575]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:00.575]                               info, version)
[17:27:00.575]                           }
[17:27:00.575]                           base::stop(msg)
[17:27:00.575]                         }
[17:27:00.575]                       })
[17:27:00.575]                     }
[17:27:00.575]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:00.575]                     base::options(mc.cores = 1L)
[17:27:00.575]                   }
[17:27:00.575]                   ...future.strategy.old <- future::plan("list")
[17:27:00.575]                   options(future.plan = NULL)
[17:27:00.575]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.575]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:00.575]                 }
[17:27:00.575]                 ...future.workdir <- getwd()
[17:27:00.575]             }
[17:27:00.575]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:00.575]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:00.575]         }
[17:27:00.575]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:27:00.575]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:00.575]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:27:00.575]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:27:00.575]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:00.575]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:00.575]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:00.575]             base::names(...future.oldOptions))
[17:27:00.575]     }
[17:27:00.575]     if (FALSE) {
[17:27:00.575]     }
[17:27:00.575]     else {
[17:27:00.575]         if (TRUE) {
[17:27:00.575]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:00.575]                 open = "w")
[17:27:00.575]         }
[17:27:00.575]         else {
[17:27:00.575]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:00.575]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:00.575]         }
[17:27:00.575]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:00.575]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:00.575]             base::sink(type = "output", split = FALSE)
[17:27:00.575]             base::close(...future.stdout)
[17:27:00.575]         }, add = TRUE)
[17:27:00.575]     }
[17:27:00.575]     ...future.frame <- base::sys.nframe()
[17:27:00.575]     ...future.conditions <- base::list()
[17:27:00.575]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:00.575]     if (FALSE) {
[17:27:00.575]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:00.575]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:00.575]     }
[17:27:00.575]     ...future.result <- base::tryCatch({
[17:27:00.575]         base::withCallingHandlers({
[17:27:00.575]             ...future.value <- base::withVisible(base::local({
[17:27:00.575]                 ...future.makeSendCondition <- base::local({
[17:27:00.575]                   sendCondition <- NULL
[17:27:00.575]                   function(frame = 1L) {
[17:27:00.575]                     if (is.function(sendCondition)) 
[17:27:00.575]                       return(sendCondition)
[17:27:00.575]                     ns <- getNamespace("parallel")
[17:27:00.575]                     if (exists("sendData", mode = "function", 
[17:27:00.575]                       envir = ns)) {
[17:27:00.575]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:00.575]                         envir = ns)
[17:27:00.575]                       envir <- sys.frame(frame)
[17:27:00.575]                       master <- NULL
[17:27:00.575]                       while (!identical(envir, .GlobalEnv) && 
[17:27:00.575]                         !identical(envir, emptyenv())) {
[17:27:00.575]                         if (exists("master", mode = "list", envir = envir, 
[17:27:00.575]                           inherits = FALSE)) {
[17:27:00.575]                           master <- get("master", mode = "list", 
[17:27:00.575]                             envir = envir, inherits = FALSE)
[17:27:00.575]                           if (inherits(master, c("SOCKnode", 
[17:27:00.575]                             "SOCK0node"))) {
[17:27:00.575]                             sendCondition <<- function(cond) {
[17:27:00.575]                               data <- list(type = "VALUE", value = cond, 
[17:27:00.575]                                 success = TRUE)
[17:27:00.575]                               parallel_sendData(master, data)
[17:27:00.575]                             }
[17:27:00.575]                             return(sendCondition)
[17:27:00.575]                           }
[17:27:00.575]                         }
[17:27:00.575]                         frame <- frame + 1L
[17:27:00.575]                         envir <- sys.frame(frame)
[17:27:00.575]                       }
[17:27:00.575]                     }
[17:27:00.575]                     sendCondition <<- function(cond) NULL
[17:27:00.575]                   }
[17:27:00.575]                 })
[17:27:00.575]                 withCallingHandlers({
[17:27:00.575]                   {
[17:27:00.575]                     x[["a"]] <- 1
[17:27:00.575]                     x
[17:27:00.575]                   }
[17:27:00.575]                 }, immediateCondition = function(cond) {
[17:27:00.575]                   sendCondition <- ...future.makeSendCondition()
[17:27:00.575]                   sendCondition(cond)
[17:27:00.575]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.575]                   {
[17:27:00.575]                     inherits <- base::inherits
[17:27:00.575]                     invokeRestart <- base::invokeRestart
[17:27:00.575]                     is.null <- base::is.null
[17:27:00.575]                     muffled <- FALSE
[17:27:00.575]                     if (inherits(cond, "message")) {
[17:27:00.575]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:00.575]                       if (muffled) 
[17:27:00.575]                         invokeRestart("muffleMessage")
[17:27:00.575]                     }
[17:27:00.575]                     else if (inherits(cond, "warning")) {
[17:27:00.575]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:00.575]                       if (muffled) 
[17:27:00.575]                         invokeRestart("muffleWarning")
[17:27:00.575]                     }
[17:27:00.575]                     else if (inherits(cond, "condition")) {
[17:27:00.575]                       if (!is.null(pattern)) {
[17:27:00.575]                         computeRestarts <- base::computeRestarts
[17:27:00.575]                         grepl <- base::grepl
[17:27:00.575]                         restarts <- computeRestarts(cond)
[17:27:00.575]                         for (restart in restarts) {
[17:27:00.575]                           name <- restart$name
[17:27:00.575]                           if (is.null(name)) 
[17:27:00.575]                             next
[17:27:00.575]                           if (!grepl(pattern, name)) 
[17:27:00.575]                             next
[17:27:00.575]                           invokeRestart(restart)
[17:27:00.575]                           muffled <- TRUE
[17:27:00.575]                           break
[17:27:00.575]                         }
[17:27:00.575]                       }
[17:27:00.575]                     }
[17:27:00.575]                     invisible(muffled)
[17:27:00.575]                   }
[17:27:00.575]                   muffleCondition(cond)
[17:27:00.575]                 })
[17:27:00.575]             }))
[17:27:00.575]             future::FutureResult(value = ...future.value$value, 
[17:27:00.575]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.575]                   ...future.rng), globalenv = if (FALSE) 
[17:27:00.575]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:00.575]                     ...future.globalenv.names))
[17:27:00.575]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:00.575]         }, condition = base::local({
[17:27:00.575]             c <- base::c
[17:27:00.575]             inherits <- base::inherits
[17:27:00.575]             invokeRestart <- base::invokeRestart
[17:27:00.575]             length <- base::length
[17:27:00.575]             list <- base::list
[17:27:00.575]             seq.int <- base::seq.int
[17:27:00.575]             signalCondition <- base::signalCondition
[17:27:00.575]             sys.calls <- base::sys.calls
[17:27:00.575]             `[[` <- base::`[[`
[17:27:00.575]             `+` <- base::`+`
[17:27:00.575]             `<<-` <- base::`<<-`
[17:27:00.575]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:00.575]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:00.575]                   3L)]
[17:27:00.575]             }
[17:27:00.575]             function(cond) {
[17:27:00.575]                 is_error <- inherits(cond, "error")
[17:27:00.575]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:00.575]                   NULL)
[17:27:00.575]                 if (is_error) {
[17:27:00.575]                   sessionInformation <- function() {
[17:27:00.575]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:00.575]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:00.575]                       search = base::search(), system = base::Sys.info())
[17:27:00.575]                   }
[17:27:00.575]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.575]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:00.575]                     cond$call), session = sessionInformation(), 
[17:27:00.575]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:00.575]                   signalCondition(cond)
[17:27:00.575]                 }
[17:27:00.575]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:00.575]                 "immediateCondition"))) {
[17:27:00.575]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:00.575]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.575]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:00.575]                   if (TRUE && !signal) {
[17:27:00.575]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.575]                     {
[17:27:00.575]                       inherits <- base::inherits
[17:27:00.575]                       invokeRestart <- base::invokeRestart
[17:27:00.575]                       is.null <- base::is.null
[17:27:00.575]                       muffled <- FALSE
[17:27:00.575]                       if (inherits(cond, "message")) {
[17:27:00.575]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.575]                         if (muffled) 
[17:27:00.575]                           invokeRestart("muffleMessage")
[17:27:00.575]                       }
[17:27:00.575]                       else if (inherits(cond, "warning")) {
[17:27:00.575]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.575]                         if (muffled) 
[17:27:00.575]                           invokeRestart("muffleWarning")
[17:27:00.575]                       }
[17:27:00.575]                       else if (inherits(cond, "condition")) {
[17:27:00.575]                         if (!is.null(pattern)) {
[17:27:00.575]                           computeRestarts <- base::computeRestarts
[17:27:00.575]                           grepl <- base::grepl
[17:27:00.575]                           restarts <- computeRestarts(cond)
[17:27:00.575]                           for (restart in restarts) {
[17:27:00.575]                             name <- restart$name
[17:27:00.575]                             if (is.null(name)) 
[17:27:00.575]                               next
[17:27:00.575]                             if (!grepl(pattern, name)) 
[17:27:00.575]                               next
[17:27:00.575]                             invokeRestart(restart)
[17:27:00.575]                             muffled <- TRUE
[17:27:00.575]                             break
[17:27:00.575]                           }
[17:27:00.575]                         }
[17:27:00.575]                       }
[17:27:00.575]                       invisible(muffled)
[17:27:00.575]                     }
[17:27:00.575]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.575]                   }
[17:27:00.575]                 }
[17:27:00.575]                 else {
[17:27:00.575]                   if (TRUE) {
[17:27:00.575]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.575]                     {
[17:27:00.575]                       inherits <- base::inherits
[17:27:00.575]                       invokeRestart <- base::invokeRestart
[17:27:00.575]                       is.null <- base::is.null
[17:27:00.575]                       muffled <- FALSE
[17:27:00.575]                       if (inherits(cond, "message")) {
[17:27:00.575]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.575]                         if (muffled) 
[17:27:00.575]                           invokeRestart("muffleMessage")
[17:27:00.575]                       }
[17:27:00.575]                       else if (inherits(cond, "warning")) {
[17:27:00.575]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.575]                         if (muffled) 
[17:27:00.575]                           invokeRestart("muffleWarning")
[17:27:00.575]                       }
[17:27:00.575]                       else if (inherits(cond, "condition")) {
[17:27:00.575]                         if (!is.null(pattern)) {
[17:27:00.575]                           computeRestarts <- base::computeRestarts
[17:27:00.575]                           grepl <- base::grepl
[17:27:00.575]                           restarts <- computeRestarts(cond)
[17:27:00.575]                           for (restart in restarts) {
[17:27:00.575]                             name <- restart$name
[17:27:00.575]                             if (is.null(name)) 
[17:27:00.575]                               next
[17:27:00.575]                             if (!grepl(pattern, name)) 
[17:27:00.575]                               next
[17:27:00.575]                             invokeRestart(restart)
[17:27:00.575]                             muffled <- TRUE
[17:27:00.575]                             break
[17:27:00.575]                           }
[17:27:00.575]                         }
[17:27:00.575]                       }
[17:27:00.575]                       invisible(muffled)
[17:27:00.575]                     }
[17:27:00.575]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.575]                   }
[17:27:00.575]                 }
[17:27:00.575]             }
[17:27:00.575]         }))
[17:27:00.575]     }, error = function(ex) {
[17:27:00.575]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:00.575]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.575]                 ...future.rng), started = ...future.startTime, 
[17:27:00.575]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:00.575]             version = "1.8"), class = "FutureResult")
[17:27:00.575]     }, finally = {
[17:27:00.575]         if (!identical(...future.workdir, getwd())) 
[17:27:00.575]             setwd(...future.workdir)
[17:27:00.575]         {
[17:27:00.575]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:00.575]                 ...future.oldOptions$nwarnings <- NULL
[17:27:00.575]             }
[17:27:00.575]             base::options(...future.oldOptions)
[17:27:00.575]             if (.Platform$OS.type == "windows") {
[17:27:00.575]                 old_names <- names(...future.oldEnvVars)
[17:27:00.575]                 envs <- base::Sys.getenv()
[17:27:00.575]                 names <- names(envs)
[17:27:00.575]                 common <- intersect(names, old_names)
[17:27:00.575]                 added <- setdiff(names, old_names)
[17:27:00.575]                 removed <- setdiff(old_names, names)
[17:27:00.575]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:00.575]                   envs[common]]
[17:27:00.575]                 NAMES <- toupper(changed)
[17:27:00.575]                 args <- list()
[17:27:00.575]                 for (kk in seq_along(NAMES)) {
[17:27:00.575]                   name <- changed[[kk]]
[17:27:00.575]                   NAME <- NAMES[[kk]]
[17:27:00.575]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.575]                     next
[17:27:00.575]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.575]                 }
[17:27:00.575]                 NAMES <- toupper(added)
[17:27:00.575]                 for (kk in seq_along(NAMES)) {
[17:27:00.575]                   name <- added[[kk]]
[17:27:00.575]                   NAME <- NAMES[[kk]]
[17:27:00.575]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.575]                     next
[17:27:00.575]                   args[[name]] <- ""
[17:27:00.575]                 }
[17:27:00.575]                 NAMES <- toupper(removed)
[17:27:00.575]                 for (kk in seq_along(NAMES)) {
[17:27:00.575]                   name <- removed[[kk]]
[17:27:00.575]                   NAME <- NAMES[[kk]]
[17:27:00.575]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.575]                     next
[17:27:00.575]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.575]                 }
[17:27:00.575]                 if (length(args) > 0) 
[17:27:00.575]                   base::do.call(base::Sys.setenv, args = args)
[17:27:00.575]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:00.575]             }
[17:27:00.575]             else {
[17:27:00.575]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:00.575]             }
[17:27:00.575]             {
[17:27:00.575]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:00.575]                   0L) {
[17:27:00.575]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:00.575]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:00.575]                   base::options(opts)
[17:27:00.575]                 }
[17:27:00.575]                 {
[17:27:00.575]                   {
[17:27:00.575]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:00.575]                     NULL
[17:27:00.575]                   }
[17:27:00.575]                   options(future.plan = NULL)
[17:27:00.575]                   if (is.na(NA_character_)) 
[17:27:00.575]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.575]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:00.575]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:00.575]                     .init = FALSE)
[17:27:00.575]                 }
[17:27:00.575]             }
[17:27:00.575]         }
[17:27:00.575]     })
[17:27:00.575]     if (TRUE) {
[17:27:00.575]         base::sink(type = "output", split = FALSE)
[17:27:00.575]         if (TRUE) {
[17:27:00.575]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:00.575]         }
[17:27:00.575]         else {
[17:27:00.575]             ...future.result["stdout"] <- base::list(NULL)
[17:27:00.575]         }
[17:27:00.575]         base::close(...future.stdout)
[17:27:00.575]         ...future.stdout <- NULL
[17:27:00.575]     }
[17:27:00.575]     ...future.result$conditions <- ...future.conditions
[17:27:00.575]     ...future.result$finished <- base::Sys.time()
[17:27:00.575]     ...future.result
[17:27:00.575] }
[17:27:00.580] Exporting 1 global objects (0 bytes) to cluster node #1 ...
[17:27:00.580] Exporting 'x' (0 bytes) to cluster node #1 ...
[17:27:00.581] Exporting 'x' (0 bytes) to cluster node #1 ... DONE
[17:27:00.581] Exporting 1 global objects (0 bytes) to cluster node #1 ... DONE
[17:27:00.582] MultisessionFuture started
[17:27:00.582] - Launch lazy future ... done
[17:27:00.582] run() for 'MultisessionFuture' ... done
[17:27:00.582] result() for ClusterFuture ...
[17:27:00.582] receiveMessageFromWorker() for ClusterFuture ...
[17:27:00.583] - Validating connection of MultisessionFuture
[17:27:00.595] - received message: FutureResult
[17:27:00.595] - Received FutureResult
[17:27:00.595] - Erased future from FutureRegistry
[17:27:00.595] result() for ClusterFuture ...
[17:27:00.596] - result already collected: FutureResult
[17:27:00.596] result() for ClusterFuture ... done
[17:27:00.596] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:00.596] result() for ClusterFuture ... done
[17:27:00.596] result() for ClusterFuture ...
[17:27:00.596] - result already collected: FutureResult
[17:27:00.597] result() for ClusterFuture ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:27:00.597] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:27:00.597] Searching for globals...
[17:27:00.600] - globals found: [5] '{', 'x', '<-', '[[', '[[<-'
[17:27:00.600] Searching for globals ... DONE
[17:27:00.600] Resolving globals: TRUE
[17:27:00.600] Resolving any globals that are futures ...
[17:27:00.600] - globals: [5] '{', 'x', '<-', '[[', '[[<-'
[17:27:00.601] Resolving any globals that are futures ... DONE
[17:27:00.601] Resolving futures part of globals (recursively) ...
[17:27:00.601] resolve() on list ...
[17:27:00.602]  recursive: 99
[17:27:00.602]  length: 1
[17:27:00.602]  elements: 'x'
[17:27:00.602]  length: 0 (resolved future 1)
[17:27:00.602] resolve() on list ... DONE
[17:27:00.603] - globals: [1] 'x'
[17:27:00.603] Resolving futures part of globals (recursively) ... DONE
[17:27:00.603] The total size of the 1 globals is 0 bytes (0 bytes)
[17:27:00.603] The total size of the 1 globals exported for future expression ('{; x[["a"]] <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:27:00.604] - globals: [1] 'x'
[17:27:00.604] 
[17:27:00.604] getGlobalsAndPackages() ... DONE
[17:27:00.604] run() for 'Future' ...
[17:27:00.604] - state: 'created'
[17:27:00.606] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:00.620] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:00.620] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:00.620]   - Field: 'node'
[17:27:00.620]   - Field: 'label'
[17:27:00.621]   - Field: 'local'
[17:27:00.621]   - Field: 'owner'
[17:27:00.621]   - Field: 'envir'
[17:27:00.621]   - Field: 'workers'
[17:27:00.621]   - Field: 'packages'
[17:27:00.621]   - Field: 'gc'
[17:27:00.622]   - Field: 'conditions'
[17:27:00.622]   - Field: 'persistent'
[17:27:00.622]   - Field: 'expr'
[17:27:00.622]   - Field: 'uuid'
[17:27:00.622]   - Field: 'seed'
[17:27:00.623]   - Field: 'version'
[17:27:00.623]   - Field: 'result'
[17:27:00.623]   - Field: 'asynchronous'
[17:27:00.623]   - Field: 'calls'
[17:27:00.623]   - Field: 'globals'
[17:27:00.623]   - Field: 'stdout'
[17:27:00.624]   - Field: 'earlySignal'
[17:27:00.624]   - Field: 'lazy'
[17:27:00.624]   - Field: 'state'
[17:27:00.624] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:00.624] - Launch lazy future ...
[17:27:00.625] Packages needed by the future expression (n = 0): <none>
[17:27:00.625] Packages needed by future strategies (n = 0): <none>
[17:27:00.625] {
[17:27:00.625]     {
[17:27:00.625]         {
[17:27:00.625]             ...future.startTime <- base::Sys.time()
[17:27:00.625]             {
[17:27:00.625]                 {
[17:27:00.625]                   {
[17:27:00.625]                     {
[17:27:00.625]                       base::local({
[17:27:00.625]                         has_future <- base::requireNamespace("future", 
[17:27:00.625]                           quietly = TRUE)
[17:27:00.625]                         if (has_future) {
[17:27:00.625]                           ns <- base::getNamespace("future")
[17:27:00.625]                           version <- ns[[".package"]][["version"]]
[17:27:00.625]                           if (is.null(version)) 
[17:27:00.625]                             version <- utils::packageVersion("future")
[17:27:00.625]                         }
[17:27:00.625]                         else {
[17:27:00.625]                           version <- NULL
[17:27:00.625]                         }
[17:27:00.625]                         if (!has_future || version < "1.8.0") {
[17:27:00.625]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:00.625]                             "", base::R.version$version.string), 
[17:27:00.625]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:00.625]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:00.625]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:00.625]                               "release", "version")], collapse = " "), 
[17:27:00.625]                             hostname = base::Sys.info()[["nodename"]])
[17:27:00.625]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:00.625]                             info)
[17:27:00.625]                           info <- base::paste(info, collapse = "; ")
[17:27:00.625]                           if (!has_future) {
[17:27:00.625]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:00.625]                               info)
[17:27:00.625]                           }
[17:27:00.625]                           else {
[17:27:00.625]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:00.625]                               info, version)
[17:27:00.625]                           }
[17:27:00.625]                           base::stop(msg)
[17:27:00.625]                         }
[17:27:00.625]                       })
[17:27:00.625]                     }
[17:27:00.625]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:00.625]                     base::options(mc.cores = 1L)
[17:27:00.625]                   }
[17:27:00.625]                   ...future.strategy.old <- future::plan("list")
[17:27:00.625]                   options(future.plan = NULL)
[17:27:00.625]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.625]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:00.625]                 }
[17:27:00.625]                 ...future.workdir <- getwd()
[17:27:00.625]             }
[17:27:00.625]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:00.625]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:00.625]         }
[17:27:00.625]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:27:00.625]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:00.625]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:27:00.625]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:27:00.625]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:00.625]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:00.625]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:00.625]             base::names(...future.oldOptions))
[17:27:00.625]     }
[17:27:00.625]     if (FALSE) {
[17:27:00.625]     }
[17:27:00.625]     else {
[17:27:00.625]         if (TRUE) {
[17:27:00.625]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:00.625]                 open = "w")
[17:27:00.625]         }
[17:27:00.625]         else {
[17:27:00.625]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:00.625]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:00.625]         }
[17:27:00.625]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:00.625]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:00.625]             base::sink(type = "output", split = FALSE)
[17:27:00.625]             base::close(...future.stdout)
[17:27:00.625]         }, add = TRUE)
[17:27:00.625]     }
[17:27:00.625]     ...future.frame <- base::sys.nframe()
[17:27:00.625]     ...future.conditions <- base::list()
[17:27:00.625]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:00.625]     if (FALSE) {
[17:27:00.625]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:00.625]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:00.625]     }
[17:27:00.625]     ...future.result <- base::tryCatch({
[17:27:00.625]         base::withCallingHandlers({
[17:27:00.625]             ...future.value <- base::withVisible(base::local({
[17:27:00.625]                 ...future.makeSendCondition <- base::local({
[17:27:00.625]                   sendCondition <- NULL
[17:27:00.625]                   function(frame = 1L) {
[17:27:00.625]                     if (is.function(sendCondition)) 
[17:27:00.625]                       return(sendCondition)
[17:27:00.625]                     ns <- getNamespace("parallel")
[17:27:00.625]                     if (exists("sendData", mode = "function", 
[17:27:00.625]                       envir = ns)) {
[17:27:00.625]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:00.625]                         envir = ns)
[17:27:00.625]                       envir <- sys.frame(frame)
[17:27:00.625]                       master <- NULL
[17:27:00.625]                       while (!identical(envir, .GlobalEnv) && 
[17:27:00.625]                         !identical(envir, emptyenv())) {
[17:27:00.625]                         if (exists("master", mode = "list", envir = envir, 
[17:27:00.625]                           inherits = FALSE)) {
[17:27:00.625]                           master <- get("master", mode = "list", 
[17:27:00.625]                             envir = envir, inherits = FALSE)
[17:27:00.625]                           if (inherits(master, c("SOCKnode", 
[17:27:00.625]                             "SOCK0node"))) {
[17:27:00.625]                             sendCondition <<- function(cond) {
[17:27:00.625]                               data <- list(type = "VALUE", value = cond, 
[17:27:00.625]                                 success = TRUE)
[17:27:00.625]                               parallel_sendData(master, data)
[17:27:00.625]                             }
[17:27:00.625]                             return(sendCondition)
[17:27:00.625]                           }
[17:27:00.625]                         }
[17:27:00.625]                         frame <- frame + 1L
[17:27:00.625]                         envir <- sys.frame(frame)
[17:27:00.625]                       }
[17:27:00.625]                     }
[17:27:00.625]                     sendCondition <<- function(cond) NULL
[17:27:00.625]                   }
[17:27:00.625]                 })
[17:27:00.625]                 withCallingHandlers({
[17:27:00.625]                   {
[17:27:00.625]                     x[["a"]] <- 1
[17:27:00.625]                     x
[17:27:00.625]                   }
[17:27:00.625]                 }, immediateCondition = function(cond) {
[17:27:00.625]                   sendCondition <- ...future.makeSendCondition()
[17:27:00.625]                   sendCondition(cond)
[17:27:00.625]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.625]                   {
[17:27:00.625]                     inherits <- base::inherits
[17:27:00.625]                     invokeRestart <- base::invokeRestart
[17:27:00.625]                     is.null <- base::is.null
[17:27:00.625]                     muffled <- FALSE
[17:27:00.625]                     if (inherits(cond, "message")) {
[17:27:00.625]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:00.625]                       if (muffled) 
[17:27:00.625]                         invokeRestart("muffleMessage")
[17:27:00.625]                     }
[17:27:00.625]                     else if (inherits(cond, "warning")) {
[17:27:00.625]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:00.625]                       if (muffled) 
[17:27:00.625]                         invokeRestart("muffleWarning")
[17:27:00.625]                     }
[17:27:00.625]                     else if (inherits(cond, "condition")) {
[17:27:00.625]                       if (!is.null(pattern)) {
[17:27:00.625]                         computeRestarts <- base::computeRestarts
[17:27:00.625]                         grepl <- base::grepl
[17:27:00.625]                         restarts <- computeRestarts(cond)
[17:27:00.625]                         for (restart in restarts) {
[17:27:00.625]                           name <- restart$name
[17:27:00.625]                           if (is.null(name)) 
[17:27:00.625]                             next
[17:27:00.625]                           if (!grepl(pattern, name)) 
[17:27:00.625]                             next
[17:27:00.625]                           invokeRestart(restart)
[17:27:00.625]                           muffled <- TRUE
[17:27:00.625]                           break
[17:27:00.625]                         }
[17:27:00.625]                       }
[17:27:00.625]                     }
[17:27:00.625]                     invisible(muffled)
[17:27:00.625]                   }
[17:27:00.625]                   muffleCondition(cond)
[17:27:00.625]                 })
[17:27:00.625]             }))
[17:27:00.625]             future::FutureResult(value = ...future.value$value, 
[17:27:00.625]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.625]                   ...future.rng), globalenv = if (FALSE) 
[17:27:00.625]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:00.625]                     ...future.globalenv.names))
[17:27:00.625]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:00.625]         }, condition = base::local({
[17:27:00.625]             c <- base::c
[17:27:00.625]             inherits <- base::inherits
[17:27:00.625]             invokeRestart <- base::invokeRestart
[17:27:00.625]             length <- base::length
[17:27:00.625]             list <- base::list
[17:27:00.625]             seq.int <- base::seq.int
[17:27:00.625]             signalCondition <- base::signalCondition
[17:27:00.625]             sys.calls <- base::sys.calls
[17:27:00.625]             `[[` <- base::`[[`
[17:27:00.625]             `+` <- base::`+`
[17:27:00.625]             `<<-` <- base::`<<-`
[17:27:00.625]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:00.625]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:00.625]                   3L)]
[17:27:00.625]             }
[17:27:00.625]             function(cond) {
[17:27:00.625]                 is_error <- inherits(cond, "error")
[17:27:00.625]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:00.625]                   NULL)
[17:27:00.625]                 if (is_error) {
[17:27:00.625]                   sessionInformation <- function() {
[17:27:00.625]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:00.625]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:00.625]                       search = base::search(), system = base::Sys.info())
[17:27:00.625]                   }
[17:27:00.625]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.625]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:00.625]                     cond$call), session = sessionInformation(), 
[17:27:00.625]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:00.625]                   signalCondition(cond)
[17:27:00.625]                 }
[17:27:00.625]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:00.625]                 "immediateCondition"))) {
[17:27:00.625]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:00.625]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.625]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:00.625]                   if (TRUE && !signal) {
[17:27:00.625]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.625]                     {
[17:27:00.625]                       inherits <- base::inherits
[17:27:00.625]                       invokeRestart <- base::invokeRestart
[17:27:00.625]                       is.null <- base::is.null
[17:27:00.625]                       muffled <- FALSE
[17:27:00.625]                       if (inherits(cond, "message")) {
[17:27:00.625]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.625]                         if (muffled) 
[17:27:00.625]                           invokeRestart("muffleMessage")
[17:27:00.625]                       }
[17:27:00.625]                       else if (inherits(cond, "warning")) {
[17:27:00.625]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.625]                         if (muffled) 
[17:27:00.625]                           invokeRestart("muffleWarning")
[17:27:00.625]                       }
[17:27:00.625]                       else if (inherits(cond, "condition")) {
[17:27:00.625]                         if (!is.null(pattern)) {
[17:27:00.625]                           computeRestarts <- base::computeRestarts
[17:27:00.625]                           grepl <- base::grepl
[17:27:00.625]                           restarts <- computeRestarts(cond)
[17:27:00.625]                           for (restart in restarts) {
[17:27:00.625]                             name <- restart$name
[17:27:00.625]                             if (is.null(name)) 
[17:27:00.625]                               next
[17:27:00.625]                             if (!grepl(pattern, name)) 
[17:27:00.625]                               next
[17:27:00.625]                             invokeRestart(restart)
[17:27:00.625]                             muffled <- TRUE
[17:27:00.625]                             break
[17:27:00.625]                           }
[17:27:00.625]                         }
[17:27:00.625]                       }
[17:27:00.625]                       invisible(muffled)
[17:27:00.625]                     }
[17:27:00.625]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.625]                   }
[17:27:00.625]                 }
[17:27:00.625]                 else {
[17:27:00.625]                   if (TRUE) {
[17:27:00.625]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.625]                     {
[17:27:00.625]                       inherits <- base::inherits
[17:27:00.625]                       invokeRestart <- base::invokeRestart
[17:27:00.625]                       is.null <- base::is.null
[17:27:00.625]                       muffled <- FALSE
[17:27:00.625]                       if (inherits(cond, "message")) {
[17:27:00.625]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.625]                         if (muffled) 
[17:27:00.625]                           invokeRestart("muffleMessage")
[17:27:00.625]                       }
[17:27:00.625]                       else if (inherits(cond, "warning")) {
[17:27:00.625]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.625]                         if (muffled) 
[17:27:00.625]                           invokeRestart("muffleWarning")
[17:27:00.625]                       }
[17:27:00.625]                       else if (inherits(cond, "condition")) {
[17:27:00.625]                         if (!is.null(pattern)) {
[17:27:00.625]                           computeRestarts <- base::computeRestarts
[17:27:00.625]                           grepl <- base::grepl
[17:27:00.625]                           restarts <- computeRestarts(cond)
[17:27:00.625]                           for (restart in restarts) {
[17:27:00.625]                             name <- restart$name
[17:27:00.625]                             if (is.null(name)) 
[17:27:00.625]                               next
[17:27:00.625]                             if (!grepl(pattern, name)) 
[17:27:00.625]                               next
[17:27:00.625]                             invokeRestart(restart)
[17:27:00.625]                             muffled <- TRUE
[17:27:00.625]                             break
[17:27:00.625]                           }
[17:27:00.625]                         }
[17:27:00.625]                       }
[17:27:00.625]                       invisible(muffled)
[17:27:00.625]                     }
[17:27:00.625]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.625]                   }
[17:27:00.625]                 }
[17:27:00.625]             }
[17:27:00.625]         }))
[17:27:00.625]     }, error = function(ex) {
[17:27:00.625]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:00.625]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.625]                 ...future.rng), started = ...future.startTime, 
[17:27:00.625]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:00.625]             version = "1.8"), class = "FutureResult")
[17:27:00.625]     }, finally = {
[17:27:00.625]         if (!identical(...future.workdir, getwd())) 
[17:27:00.625]             setwd(...future.workdir)
[17:27:00.625]         {
[17:27:00.625]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:00.625]                 ...future.oldOptions$nwarnings <- NULL
[17:27:00.625]             }
[17:27:00.625]             base::options(...future.oldOptions)
[17:27:00.625]             if (.Platform$OS.type == "windows") {
[17:27:00.625]                 old_names <- names(...future.oldEnvVars)
[17:27:00.625]                 envs <- base::Sys.getenv()
[17:27:00.625]                 names <- names(envs)
[17:27:00.625]                 common <- intersect(names, old_names)
[17:27:00.625]                 added <- setdiff(names, old_names)
[17:27:00.625]                 removed <- setdiff(old_names, names)
[17:27:00.625]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:00.625]                   envs[common]]
[17:27:00.625]                 NAMES <- toupper(changed)
[17:27:00.625]                 args <- list()
[17:27:00.625]                 for (kk in seq_along(NAMES)) {
[17:27:00.625]                   name <- changed[[kk]]
[17:27:00.625]                   NAME <- NAMES[[kk]]
[17:27:00.625]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.625]                     next
[17:27:00.625]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.625]                 }
[17:27:00.625]                 NAMES <- toupper(added)
[17:27:00.625]                 for (kk in seq_along(NAMES)) {
[17:27:00.625]                   name <- added[[kk]]
[17:27:00.625]                   NAME <- NAMES[[kk]]
[17:27:00.625]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.625]                     next
[17:27:00.625]                   args[[name]] <- ""
[17:27:00.625]                 }
[17:27:00.625]                 NAMES <- toupper(removed)
[17:27:00.625]                 for (kk in seq_along(NAMES)) {
[17:27:00.625]                   name <- removed[[kk]]
[17:27:00.625]                   NAME <- NAMES[[kk]]
[17:27:00.625]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.625]                     next
[17:27:00.625]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.625]                 }
[17:27:00.625]                 if (length(args) > 0) 
[17:27:00.625]                   base::do.call(base::Sys.setenv, args = args)
[17:27:00.625]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:00.625]             }
[17:27:00.625]             else {
[17:27:00.625]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:00.625]             }
[17:27:00.625]             {
[17:27:00.625]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:00.625]                   0L) {
[17:27:00.625]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:00.625]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:00.625]                   base::options(opts)
[17:27:00.625]                 }
[17:27:00.625]                 {
[17:27:00.625]                   {
[17:27:00.625]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:00.625]                     NULL
[17:27:00.625]                   }
[17:27:00.625]                   options(future.plan = NULL)
[17:27:00.625]                   if (is.na(NA_character_)) 
[17:27:00.625]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.625]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:00.625]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:00.625]                     .init = FALSE)
[17:27:00.625]                 }
[17:27:00.625]             }
[17:27:00.625]         }
[17:27:00.625]     })
[17:27:00.625]     if (TRUE) {
[17:27:00.625]         base::sink(type = "output", split = FALSE)
[17:27:00.625]         if (TRUE) {
[17:27:00.625]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:00.625]         }
[17:27:00.625]         else {
[17:27:00.625]             ...future.result["stdout"] <- base::list(NULL)
[17:27:00.625]         }
[17:27:00.625]         base::close(...future.stdout)
[17:27:00.625]         ...future.stdout <- NULL
[17:27:00.625]     }
[17:27:00.625]     ...future.result$conditions <- ...future.conditions
[17:27:00.625]     ...future.result$finished <- base::Sys.time()
[17:27:00.625]     ...future.result
[17:27:00.625] }
[17:27:00.630] Exporting 1 global objects (0 bytes) to cluster node #1 ...
[17:27:00.631] Exporting 'x' (0 bytes) to cluster node #1 ...
[17:27:00.631] Exporting 'x' (0 bytes) to cluster node #1 ... DONE
[17:27:00.631] Exporting 1 global objects (0 bytes) to cluster node #1 ... DONE
[17:27:00.632] MultisessionFuture started
[17:27:00.632] - Launch lazy future ... done
[17:27:00.632] run() for 'MultisessionFuture' ... done
[17:27:00.633] result() for ClusterFuture ...
[17:27:00.633] receiveMessageFromWorker() for ClusterFuture ...
[17:27:00.633] - Validating connection of MultisessionFuture
[17:27:00.646] - received message: FutureResult
[17:27:00.646] - Received FutureResult
[17:27:00.646] - Erased future from FutureRegistry
[17:27:00.647] result() for ClusterFuture ...
[17:27:00.647] - result already collected: FutureResult
[17:27:00.647] result() for ClusterFuture ... done
[17:27:00.647] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:00.647] result() for ClusterFuture ... done
[17:27:00.647] result() for ClusterFuture ...
[17:27:00.648] - result already collected: FutureResult
[17:27:00.648] result() for ClusterFuture ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:27:00.648] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:27:00.649] Searching for globals...
[17:27:00.651] - globals found: [6] '{', 'x', '<-', '[', '[<-', 'list'
[17:27:00.651] Searching for globals ... DONE
[17:27:00.651] Resolving globals: TRUE
[17:27:00.652] Resolving any globals that are futures ...
[17:27:00.652] - globals: [6] '{', 'x', '<-', '[', '[<-', 'list'
[17:27:00.652] Resolving any globals that are futures ... DONE
[17:27:00.652] Resolving futures part of globals (recursively) ...
[17:27:00.653] resolve() on list ...
[17:27:00.653]  recursive: 99
[17:27:00.653]  length: 1
[17:27:00.653]  elements: 'x'
[17:27:00.653]  length: 0 (resolved future 1)
[17:27:00.654] resolve() on list ... DONE
[17:27:00.654] - globals: [1] 'x'
[17:27:00.654] Resolving futures part of globals (recursively) ... DONE
[17:27:00.654] The total size of the 1 globals is 0 bytes (0 bytes)
[17:27:00.655] The total size of the 1 globals exported for future expression ('{; x["a"] <- list(1); x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:27:00.655] - globals: [1] 'x'
[17:27:00.655] 
[17:27:00.655] getGlobalsAndPackages() ... DONE
[17:27:00.655] run() for 'Future' ...
[17:27:00.656] - state: 'created'
[17:27:00.656] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:00.670] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:00.670] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:00.670]   - Field: 'node'
[17:27:00.670]   - Field: 'label'
[17:27:00.670]   - Field: 'local'
[17:27:00.671]   - Field: 'owner'
[17:27:00.671]   - Field: 'envir'
[17:27:00.671]   - Field: 'workers'
[17:27:00.671]   - Field: 'packages'
[17:27:00.671]   - Field: 'gc'
[17:27:00.671]   - Field: 'conditions'
[17:27:00.672]   - Field: 'persistent'
[17:27:00.672]   - Field: 'expr'
[17:27:00.672]   - Field: 'uuid'
[17:27:00.672]   - Field: 'seed'
[17:27:00.672]   - Field: 'version'
[17:27:00.673]   - Field: 'result'
[17:27:00.673]   - Field: 'asynchronous'
[17:27:00.673]   - Field: 'calls'
[17:27:00.673]   - Field: 'globals'
[17:27:00.673]   - Field: 'stdout'
[17:27:00.673]   - Field: 'earlySignal'
[17:27:00.674]   - Field: 'lazy'
[17:27:00.674]   - Field: 'state'
[17:27:00.674] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:00.674] - Launch lazy future ...
[17:27:00.674] Packages needed by the future expression (n = 0): <none>
[17:27:00.675] Packages needed by future strategies (n = 0): <none>
[17:27:00.675] {
[17:27:00.675]     {
[17:27:00.675]         {
[17:27:00.675]             ...future.startTime <- base::Sys.time()
[17:27:00.675]             {
[17:27:00.675]                 {
[17:27:00.675]                   {
[17:27:00.675]                     {
[17:27:00.675]                       base::local({
[17:27:00.675]                         has_future <- base::requireNamespace("future", 
[17:27:00.675]                           quietly = TRUE)
[17:27:00.675]                         if (has_future) {
[17:27:00.675]                           ns <- base::getNamespace("future")
[17:27:00.675]                           version <- ns[[".package"]][["version"]]
[17:27:00.675]                           if (is.null(version)) 
[17:27:00.675]                             version <- utils::packageVersion("future")
[17:27:00.675]                         }
[17:27:00.675]                         else {
[17:27:00.675]                           version <- NULL
[17:27:00.675]                         }
[17:27:00.675]                         if (!has_future || version < "1.8.0") {
[17:27:00.675]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:00.675]                             "", base::R.version$version.string), 
[17:27:00.675]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:00.675]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:00.675]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:00.675]                               "release", "version")], collapse = " "), 
[17:27:00.675]                             hostname = base::Sys.info()[["nodename"]])
[17:27:00.675]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:00.675]                             info)
[17:27:00.675]                           info <- base::paste(info, collapse = "; ")
[17:27:00.675]                           if (!has_future) {
[17:27:00.675]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:00.675]                               info)
[17:27:00.675]                           }
[17:27:00.675]                           else {
[17:27:00.675]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:00.675]                               info, version)
[17:27:00.675]                           }
[17:27:00.675]                           base::stop(msg)
[17:27:00.675]                         }
[17:27:00.675]                       })
[17:27:00.675]                     }
[17:27:00.675]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:00.675]                     base::options(mc.cores = 1L)
[17:27:00.675]                   }
[17:27:00.675]                   ...future.strategy.old <- future::plan("list")
[17:27:00.675]                   options(future.plan = NULL)
[17:27:00.675]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.675]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:00.675]                 }
[17:27:00.675]                 ...future.workdir <- getwd()
[17:27:00.675]             }
[17:27:00.675]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:00.675]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:00.675]         }
[17:27:00.675]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:27:00.675]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:00.675]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:27:00.675]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:27:00.675]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:00.675]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:00.675]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:00.675]             base::names(...future.oldOptions))
[17:27:00.675]     }
[17:27:00.675]     if (FALSE) {
[17:27:00.675]     }
[17:27:00.675]     else {
[17:27:00.675]         if (TRUE) {
[17:27:00.675]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:00.675]                 open = "w")
[17:27:00.675]         }
[17:27:00.675]         else {
[17:27:00.675]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:00.675]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:00.675]         }
[17:27:00.675]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:00.675]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:00.675]             base::sink(type = "output", split = FALSE)
[17:27:00.675]             base::close(...future.stdout)
[17:27:00.675]         }, add = TRUE)
[17:27:00.675]     }
[17:27:00.675]     ...future.frame <- base::sys.nframe()
[17:27:00.675]     ...future.conditions <- base::list()
[17:27:00.675]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:00.675]     if (FALSE) {
[17:27:00.675]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:00.675]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:00.675]     }
[17:27:00.675]     ...future.result <- base::tryCatch({
[17:27:00.675]         base::withCallingHandlers({
[17:27:00.675]             ...future.value <- base::withVisible(base::local({
[17:27:00.675]                 ...future.makeSendCondition <- base::local({
[17:27:00.675]                   sendCondition <- NULL
[17:27:00.675]                   function(frame = 1L) {
[17:27:00.675]                     if (is.function(sendCondition)) 
[17:27:00.675]                       return(sendCondition)
[17:27:00.675]                     ns <- getNamespace("parallel")
[17:27:00.675]                     if (exists("sendData", mode = "function", 
[17:27:00.675]                       envir = ns)) {
[17:27:00.675]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:00.675]                         envir = ns)
[17:27:00.675]                       envir <- sys.frame(frame)
[17:27:00.675]                       master <- NULL
[17:27:00.675]                       while (!identical(envir, .GlobalEnv) && 
[17:27:00.675]                         !identical(envir, emptyenv())) {
[17:27:00.675]                         if (exists("master", mode = "list", envir = envir, 
[17:27:00.675]                           inherits = FALSE)) {
[17:27:00.675]                           master <- get("master", mode = "list", 
[17:27:00.675]                             envir = envir, inherits = FALSE)
[17:27:00.675]                           if (inherits(master, c("SOCKnode", 
[17:27:00.675]                             "SOCK0node"))) {
[17:27:00.675]                             sendCondition <<- function(cond) {
[17:27:00.675]                               data <- list(type = "VALUE", value = cond, 
[17:27:00.675]                                 success = TRUE)
[17:27:00.675]                               parallel_sendData(master, data)
[17:27:00.675]                             }
[17:27:00.675]                             return(sendCondition)
[17:27:00.675]                           }
[17:27:00.675]                         }
[17:27:00.675]                         frame <- frame + 1L
[17:27:00.675]                         envir <- sys.frame(frame)
[17:27:00.675]                       }
[17:27:00.675]                     }
[17:27:00.675]                     sendCondition <<- function(cond) NULL
[17:27:00.675]                   }
[17:27:00.675]                 })
[17:27:00.675]                 withCallingHandlers({
[17:27:00.675]                   {
[17:27:00.675]                     x["a"] <- list(1)
[17:27:00.675]                     x
[17:27:00.675]                   }
[17:27:00.675]                 }, immediateCondition = function(cond) {
[17:27:00.675]                   sendCondition <- ...future.makeSendCondition()
[17:27:00.675]                   sendCondition(cond)
[17:27:00.675]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.675]                   {
[17:27:00.675]                     inherits <- base::inherits
[17:27:00.675]                     invokeRestart <- base::invokeRestart
[17:27:00.675]                     is.null <- base::is.null
[17:27:00.675]                     muffled <- FALSE
[17:27:00.675]                     if (inherits(cond, "message")) {
[17:27:00.675]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:00.675]                       if (muffled) 
[17:27:00.675]                         invokeRestart("muffleMessage")
[17:27:00.675]                     }
[17:27:00.675]                     else if (inherits(cond, "warning")) {
[17:27:00.675]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:00.675]                       if (muffled) 
[17:27:00.675]                         invokeRestart("muffleWarning")
[17:27:00.675]                     }
[17:27:00.675]                     else if (inherits(cond, "condition")) {
[17:27:00.675]                       if (!is.null(pattern)) {
[17:27:00.675]                         computeRestarts <- base::computeRestarts
[17:27:00.675]                         grepl <- base::grepl
[17:27:00.675]                         restarts <- computeRestarts(cond)
[17:27:00.675]                         for (restart in restarts) {
[17:27:00.675]                           name <- restart$name
[17:27:00.675]                           if (is.null(name)) 
[17:27:00.675]                             next
[17:27:00.675]                           if (!grepl(pattern, name)) 
[17:27:00.675]                             next
[17:27:00.675]                           invokeRestart(restart)
[17:27:00.675]                           muffled <- TRUE
[17:27:00.675]                           break
[17:27:00.675]                         }
[17:27:00.675]                       }
[17:27:00.675]                     }
[17:27:00.675]                     invisible(muffled)
[17:27:00.675]                   }
[17:27:00.675]                   muffleCondition(cond)
[17:27:00.675]                 })
[17:27:00.675]             }))
[17:27:00.675]             future::FutureResult(value = ...future.value$value, 
[17:27:00.675]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.675]                   ...future.rng), globalenv = if (FALSE) 
[17:27:00.675]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:00.675]                     ...future.globalenv.names))
[17:27:00.675]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:00.675]         }, condition = base::local({
[17:27:00.675]             c <- base::c
[17:27:00.675]             inherits <- base::inherits
[17:27:00.675]             invokeRestart <- base::invokeRestart
[17:27:00.675]             length <- base::length
[17:27:00.675]             list <- base::list
[17:27:00.675]             seq.int <- base::seq.int
[17:27:00.675]             signalCondition <- base::signalCondition
[17:27:00.675]             sys.calls <- base::sys.calls
[17:27:00.675]             `[[` <- base::`[[`
[17:27:00.675]             `+` <- base::`+`
[17:27:00.675]             `<<-` <- base::`<<-`
[17:27:00.675]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:00.675]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:00.675]                   3L)]
[17:27:00.675]             }
[17:27:00.675]             function(cond) {
[17:27:00.675]                 is_error <- inherits(cond, "error")
[17:27:00.675]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:00.675]                   NULL)
[17:27:00.675]                 if (is_error) {
[17:27:00.675]                   sessionInformation <- function() {
[17:27:00.675]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:00.675]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:00.675]                       search = base::search(), system = base::Sys.info())
[17:27:00.675]                   }
[17:27:00.675]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.675]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:00.675]                     cond$call), session = sessionInformation(), 
[17:27:00.675]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:00.675]                   signalCondition(cond)
[17:27:00.675]                 }
[17:27:00.675]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:00.675]                 "immediateCondition"))) {
[17:27:00.675]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:00.675]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.675]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:00.675]                   if (TRUE && !signal) {
[17:27:00.675]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.675]                     {
[17:27:00.675]                       inherits <- base::inherits
[17:27:00.675]                       invokeRestart <- base::invokeRestart
[17:27:00.675]                       is.null <- base::is.null
[17:27:00.675]                       muffled <- FALSE
[17:27:00.675]                       if (inherits(cond, "message")) {
[17:27:00.675]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.675]                         if (muffled) 
[17:27:00.675]                           invokeRestart("muffleMessage")
[17:27:00.675]                       }
[17:27:00.675]                       else if (inherits(cond, "warning")) {
[17:27:00.675]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.675]                         if (muffled) 
[17:27:00.675]                           invokeRestart("muffleWarning")
[17:27:00.675]                       }
[17:27:00.675]                       else if (inherits(cond, "condition")) {
[17:27:00.675]                         if (!is.null(pattern)) {
[17:27:00.675]                           computeRestarts <- base::computeRestarts
[17:27:00.675]                           grepl <- base::grepl
[17:27:00.675]                           restarts <- computeRestarts(cond)
[17:27:00.675]                           for (restart in restarts) {
[17:27:00.675]                             name <- restart$name
[17:27:00.675]                             if (is.null(name)) 
[17:27:00.675]                               next
[17:27:00.675]                             if (!grepl(pattern, name)) 
[17:27:00.675]                               next
[17:27:00.675]                             invokeRestart(restart)
[17:27:00.675]                             muffled <- TRUE
[17:27:00.675]                             break
[17:27:00.675]                           }
[17:27:00.675]                         }
[17:27:00.675]                       }
[17:27:00.675]                       invisible(muffled)
[17:27:00.675]                     }
[17:27:00.675]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.675]                   }
[17:27:00.675]                 }
[17:27:00.675]                 else {
[17:27:00.675]                   if (TRUE) {
[17:27:00.675]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.675]                     {
[17:27:00.675]                       inherits <- base::inherits
[17:27:00.675]                       invokeRestart <- base::invokeRestart
[17:27:00.675]                       is.null <- base::is.null
[17:27:00.675]                       muffled <- FALSE
[17:27:00.675]                       if (inherits(cond, "message")) {
[17:27:00.675]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.675]                         if (muffled) 
[17:27:00.675]                           invokeRestart("muffleMessage")
[17:27:00.675]                       }
[17:27:00.675]                       else if (inherits(cond, "warning")) {
[17:27:00.675]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.675]                         if (muffled) 
[17:27:00.675]                           invokeRestart("muffleWarning")
[17:27:00.675]                       }
[17:27:00.675]                       else if (inherits(cond, "condition")) {
[17:27:00.675]                         if (!is.null(pattern)) {
[17:27:00.675]                           computeRestarts <- base::computeRestarts
[17:27:00.675]                           grepl <- base::grepl
[17:27:00.675]                           restarts <- computeRestarts(cond)
[17:27:00.675]                           for (restart in restarts) {
[17:27:00.675]                             name <- restart$name
[17:27:00.675]                             if (is.null(name)) 
[17:27:00.675]                               next
[17:27:00.675]                             if (!grepl(pattern, name)) 
[17:27:00.675]                               next
[17:27:00.675]                             invokeRestart(restart)
[17:27:00.675]                             muffled <- TRUE
[17:27:00.675]                             break
[17:27:00.675]                           }
[17:27:00.675]                         }
[17:27:00.675]                       }
[17:27:00.675]                       invisible(muffled)
[17:27:00.675]                     }
[17:27:00.675]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.675]                   }
[17:27:00.675]                 }
[17:27:00.675]             }
[17:27:00.675]         }))
[17:27:00.675]     }, error = function(ex) {
[17:27:00.675]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:00.675]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.675]                 ...future.rng), started = ...future.startTime, 
[17:27:00.675]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:00.675]             version = "1.8"), class = "FutureResult")
[17:27:00.675]     }, finally = {
[17:27:00.675]         if (!identical(...future.workdir, getwd())) 
[17:27:00.675]             setwd(...future.workdir)
[17:27:00.675]         {
[17:27:00.675]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:00.675]                 ...future.oldOptions$nwarnings <- NULL
[17:27:00.675]             }
[17:27:00.675]             base::options(...future.oldOptions)
[17:27:00.675]             if (.Platform$OS.type == "windows") {
[17:27:00.675]                 old_names <- names(...future.oldEnvVars)
[17:27:00.675]                 envs <- base::Sys.getenv()
[17:27:00.675]                 names <- names(envs)
[17:27:00.675]                 common <- intersect(names, old_names)
[17:27:00.675]                 added <- setdiff(names, old_names)
[17:27:00.675]                 removed <- setdiff(old_names, names)
[17:27:00.675]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:00.675]                   envs[common]]
[17:27:00.675]                 NAMES <- toupper(changed)
[17:27:00.675]                 args <- list()
[17:27:00.675]                 for (kk in seq_along(NAMES)) {
[17:27:00.675]                   name <- changed[[kk]]
[17:27:00.675]                   NAME <- NAMES[[kk]]
[17:27:00.675]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.675]                     next
[17:27:00.675]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.675]                 }
[17:27:00.675]                 NAMES <- toupper(added)
[17:27:00.675]                 for (kk in seq_along(NAMES)) {
[17:27:00.675]                   name <- added[[kk]]
[17:27:00.675]                   NAME <- NAMES[[kk]]
[17:27:00.675]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.675]                     next
[17:27:00.675]                   args[[name]] <- ""
[17:27:00.675]                 }
[17:27:00.675]                 NAMES <- toupper(removed)
[17:27:00.675]                 for (kk in seq_along(NAMES)) {
[17:27:00.675]                   name <- removed[[kk]]
[17:27:00.675]                   NAME <- NAMES[[kk]]
[17:27:00.675]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.675]                     next
[17:27:00.675]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.675]                 }
[17:27:00.675]                 if (length(args) > 0) 
[17:27:00.675]                   base::do.call(base::Sys.setenv, args = args)
[17:27:00.675]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:00.675]             }
[17:27:00.675]             else {
[17:27:00.675]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:00.675]             }
[17:27:00.675]             {
[17:27:00.675]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:00.675]                   0L) {
[17:27:00.675]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:00.675]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:00.675]                   base::options(opts)
[17:27:00.675]                 }
[17:27:00.675]                 {
[17:27:00.675]                   {
[17:27:00.675]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:00.675]                     NULL
[17:27:00.675]                   }
[17:27:00.675]                   options(future.plan = NULL)
[17:27:00.675]                   if (is.na(NA_character_)) 
[17:27:00.675]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.675]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:00.675]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:00.675]                     .init = FALSE)
[17:27:00.675]                 }
[17:27:00.675]             }
[17:27:00.675]         }
[17:27:00.675]     })
[17:27:00.675]     if (TRUE) {
[17:27:00.675]         base::sink(type = "output", split = FALSE)
[17:27:00.675]         if (TRUE) {
[17:27:00.675]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:00.675]         }
[17:27:00.675]         else {
[17:27:00.675]             ...future.result["stdout"] <- base::list(NULL)
[17:27:00.675]         }
[17:27:00.675]         base::close(...future.stdout)
[17:27:00.675]         ...future.stdout <- NULL
[17:27:00.675]     }
[17:27:00.675]     ...future.result$conditions <- ...future.conditions
[17:27:00.675]     ...future.result$finished <- base::Sys.time()
[17:27:00.675]     ...future.result
[17:27:00.675] }
[17:27:00.680] Exporting 1 global objects (0 bytes) to cluster node #1 ...
[17:27:00.680] Exporting 'x' (0 bytes) to cluster node #1 ...
[17:27:00.681] Exporting 'x' (0 bytes) to cluster node #1 ... DONE
[17:27:00.681] Exporting 1 global objects (0 bytes) to cluster node #1 ... DONE
[17:27:00.682] MultisessionFuture started
[17:27:00.682] - Launch lazy future ... done
[17:27:00.682] run() for 'MultisessionFuture' ... done
[17:27:00.682] result() for ClusterFuture ...
[17:27:00.682] receiveMessageFromWorker() for ClusterFuture ...
[17:27:00.683] - Validating connection of MultisessionFuture
[17:27:00.696] - received message: FutureResult
[17:27:00.696] - Received FutureResult
[17:27:00.696] - Erased future from FutureRegistry
[17:27:00.696] result() for ClusterFuture ...
[17:27:00.696] - result already collected: FutureResult
[17:27:00.697] result() for ClusterFuture ... done
[17:27:00.697] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:00.697] result() for ClusterFuture ... done
[17:27:00.697] result() for ClusterFuture ...
[17:27:00.697] - result already collected: FutureResult
[17:27:00.697] result() for ClusterFuture ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:27:00.698] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:27:00.698] Searching for globals...
[17:27:00.701] - globals found: [6] '{', 'x', '<-', '[', '[<-', 'list'
[17:27:00.701] Searching for globals ... DONE
[17:27:00.701] Resolving globals: TRUE
[17:27:00.701] Resolving any globals that are futures ...
[17:27:00.701] - globals: [6] '{', 'x', '<-', '[', '[<-', 'list'
[17:27:00.702] Resolving any globals that are futures ... DONE
[17:27:00.702] Resolving futures part of globals (recursively) ...
[17:27:00.702] resolve() on list ...
[17:27:00.703]  recursive: 99
[17:27:00.703]  length: 1
[17:27:00.703]  elements: 'x'
[17:27:00.703]  length: 0 (resolved future 1)
[17:27:00.703] resolve() on list ... DONE
[17:27:00.703] - globals: [1] 'x'
[17:27:00.704] Resolving futures part of globals (recursively) ... DONE
[17:27:00.704] The total size of the 1 globals is 0 bytes (0 bytes)
[17:27:00.704] The total size of the 1 globals exported for future expression ('{; x["a"] <- list(1); x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:27:00.704] - globals: [1] 'x'
[17:27:00.705] 
[17:27:00.705] getGlobalsAndPackages() ... DONE
[17:27:00.705] run() for 'Future' ...
[17:27:00.705] - state: 'created'
[17:27:00.705] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:00.719] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:00.719] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:00.719]   - Field: 'node'
[17:27:00.719]   - Field: 'label'
[17:27:00.720]   - Field: 'local'
[17:27:00.720]   - Field: 'owner'
[17:27:00.720]   - Field: 'envir'
[17:27:00.720]   - Field: 'workers'
[17:27:00.720]   - Field: 'packages'
[17:27:00.721]   - Field: 'gc'
[17:27:00.721]   - Field: 'conditions'
[17:27:00.721]   - Field: 'persistent'
[17:27:00.721]   - Field: 'expr'
[17:27:00.721]   - Field: 'uuid'
[17:27:00.721]   - Field: 'seed'
[17:27:00.722]   - Field: 'version'
[17:27:00.722]   - Field: 'result'
[17:27:00.722]   - Field: 'asynchronous'
[17:27:00.722]   - Field: 'calls'
[17:27:00.722]   - Field: 'globals'
[17:27:00.722]   - Field: 'stdout'
[17:27:00.723]   - Field: 'earlySignal'
[17:27:00.723]   - Field: 'lazy'
[17:27:00.723]   - Field: 'state'
[17:27:00.723] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:00.723] - Launch lazy future ...
[17:27:00.724] Packages needed by the future expression (n = 0): <none>
[17:27:00.724] Packages needed by future strategies (n = 0): <none>
[17:27:00.724] {
[17:27:00.724]     {
[17:27:00.724]         {
[17:27:00.724]             ...future.startTime <- base::Sys.time()
[17:27:00.724]             {
[17:27:00.724]                 {
[17:27:00.724]                   {
[17:27:00.724]                     {
[17:27:00.724]                       base::local({
[17:27:00.724]                         has_future <- base::requireNamespace("future", 
[17:27:00.724]                           quietly = TRUE)
[17:27:00.724]                         if (has_future) {
[17:27:00.724]                           ns <- base::getNamespace("future")
[17:27:00.724]                           version <- ns[[".package"]][["version"]]
[17:27:00.724]                           if (is.null(version)) 
[17:27:00.724]                             version <- utils::packageVersion("future")
[17:27:00.724]                         }
[17:27:00.724]                         else {
[17:27:00.724]                           version <- NULL
[17:27:00.724]                         }
[17:27:00.724]                         if (!has_future || version < "1.8.0") {
[17:27:00.724]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:00.724]                             "", base::R.version$version.string), 
[17:27:00.724]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:00.724]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:00.724]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:00.724]                               "release", "version")], collapse = " "), 
[17:27:00.724]                             hostname = base::Sys.info()[["nodename"]])
[17:27:00.724]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:00.724]                             info)
[17:27:00.724]                           info <- base::paste(info, collapse = "; ")
[17:27:00.724]                           if (!has_future) {
[17:27:00.724]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:00.724]                               info)
[17:27:00.724]                           }
[17:27:00.724]                           else {
[17:27:00.724]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:00.724]                               info, version)
[17:27:00.724]                           }
[17:27:00.724]                           base::stop(msg)
[17:27:00.724]                         }
[17:27:00.724]                       })
[17:27:00.724]                     }
[17:27:00.724]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:00.724]                     base::options(mc.cores = 1L)
[17:27:00.724]                   }
[17:27:00.724]                   ...future.strategy.old <- future::plan("list")
[17:27:00.724]                   options(future.plan = NULL)
[17:27:00.724]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.724]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:00.724]                 }
[17:27:00.724]                 ...future.workdir <- getwd()
[17:27:00.724]             }
[17:27:00.724]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:00.724]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:00.724]         }
[17:27:00.724]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:27:00.724]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:00.724]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:27:00.724]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:27:00.724]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:00.724]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:00.724]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:00.724]             base::names(...future.oldOptions))
[17:27:00.724]     }
[17:27:00.724]     if (FALSE) {
[17:27:00.724]     }
[17:27:00.724]     else {
[17:27:00.724]         if (TRUE) {
[17:27:00.724]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:00.724]                 open = "w")
[17:27:00.724]         }
[17:27:00.724]         else {
[17:27:00.724]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:00.724]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:00.724]         }
[17:27:00.724]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:00.724]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:00.724]             base::sink(type = "output", split = FALSE)
[17:27:00.724]             base::close(...future.stdout)
[17:27:00.724]         }, add = TRUE)
[17:27:00.724]     }
[17:27:00.724]     ...future.frame <- base::sys.nframe()
[17:27:00.724]     ...future.conditions <- base::list()
[17:27:00.724]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:00.724]     if (FALSE) {
[17:27:00.724]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:00.724]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:00.724]     }
[17:27:00.724]     ...future.result <- base::tryCatch({
[17:27:00.724]         base::withCallingHandlers({
[17:27:00.724]             ...future.value <- base::withVisible(base::local({
[17:27:00.724]                 ...future.makeSendCondition <- base::local({
[17:27:00.724]                   sendCondition <- NULL
[17:27:00.724]                   function(frame = 1L) {
[17:27:00.724]                     if (is.function(sendCondition)) 
[17:27:00.724]                       return(sendCondition)
[17:27:00.724]                     ns <- getNamespace("parallel")
[17:27:00.724]                     if (exists("sendData", mode = "function", 
[17:27:00.724]                       envir = ns)) {
[17:27:00.724]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:00.724]                         envir = ns)
[17:27:00.724]                       envir <- sys.frame(frame)
[17:27:00.724]                       master <- NULL
[17:27:00.724]                       while (!identical(envir, .GlobalEnv) && 
[17:27:00.724]                         !identical(envir, emptyenv())) {
[17:27:00.724]                         if (exists("master", mode = "list", envir = envir, 
[17:27:00.724]                           inherits = FALSE)) {
[17:27:00.724]                           master <- get("master", mode = "list", 
[17:27:00.724]                             envir = envir, inherits = FALSE)
[17:27:00.724]                           if (inherits(master, c("SOCKnode", 
[17:27:00.724]                             "SOCK0node"))) {
[17:27:00.724]                             sendCondition <<- function(cond) {
[17:27:00.724]                               data <- list(type = "VALUE", value = cond, 
[17:27:00.724]                                 success = TRUE)
[17:27:00.724]                               parallel_sendData(master, data)
[17:27:00.724]                             }
[17:27:00.724]                             return(sendCondition)
[17:27:00.724]                           }
[17:27:00.724]                         }
[17:27:00.724]                         frame <- frame + 1L
[17:27:00.724]                         envir <- sys.frame(frame)
[17:27:00.724]                       }
[17:27:00.724]                     }
[17:27:00.724]                     sendCondition <<- function(cond) NULL
[17:27:00.724]                   }
[17:27:00.724]                 })
[17:27:00.724]                 withCallingHandlers({
[17:27:00.724]                   {
[17:27:00.724]                     x["a"] <- list(1)
[17:27:00.724]                     x
[17:27:00.724]                   }
[17:27:00.724]                 }, immediateCondition = function(cond) {
[17:27:00.724]                   sendCondition <- ...future.makeSendCondition()
[17:27:00.724]                   sendCondition(cond)
[17:27:00.724]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.724]                   {
[17:27:00.724]                     inherits <- base::inherits
[17:27:00.724]                     invokeRestart <- base::invokeRestart
[17:27:00.724]                     is.null <- base::is.null
[17:27:00.724]                     muffled <- FALSE
[17:27:00.724]                     if (inherits(cond, "message")) {
[17:27:00.724]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:00.724]                       if (muffled) 
[17:27:00.724]                         invokeRestart("muffleMessage")
[17:27:00.724]                     }
[17:27:00.724]                     else if (inherits(cond, "warning")) {
[17:27:00.724]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:00.724]                       if (muffled) 
[17:27:00.724]                         invokeRestart("muffleWarning")
[17:27:00.724]                     }
[17:27:00.724]                     else if (inherits(cond, "condition")) {
[17:27:00.724]                       if (!is.null(pattern)) {
[17:27:00.724]                         computeRestarts <- base::computeRestarts
[17:27:00.724]                         grepl <- base::grepl
[17:27:00.724]                         restarts <- computeRestarts(cond)
[17:27:00.724]                         for (restart in restarts) {
[17:27:00.724]                           name <- restart$name
[17:27:00.724]                           if (is.null(name)) 
[17:27:00.724]                             next
[17:27:00.724]                           if (!grepl(pattern, name)) 
[17:27:00.724]                             next
[17:27:00.724]                           invokeRestart(restart)
[17:27:00.724]                           muffled <- TRUE
[17:27:00.724]                           break
[17:27:00.724]                         }
[17:27:00.724]                       }
[17:27:00.724]                     }
[17:27:00.724]                     invisible(muffled)
[17:27:00.724]                   }
[17:27:00.724]                   muffleCondition(cond)
[17:27:00.724]                 })
[17:27:00.724]             }))
[17:27:00.724]             future::FutureResult(value = ...future.value$value, 
[17:27:00.724]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.724]                   ...future.rng), globalenv = if (FALSE) 
[17:27:00.724]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:00.724]                     ...future.globalenv.names))
[17:27:00.724]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:00.724]         }, condition = base::local({
[17:27:00.724]             c <- base::c
[17:27:00.724]             inherits <- base::inherits
[17:27:00.724]             invokeRestart <- base::invokeRestart
[17:27:00.724]             length <- base::length
[17:27:00.724]             list <- base::list
[17:27:00.724]             seq.int <- base::seq.int
[17:27:00.724]             signalCondition <- base::signalCondition
[17:27:00.724]             sys.calls <- base::sys.calls
[17:27:00.724]             `[[` <- base::`[[`
[17:27:00.724]             `+` <- base::`+`
[17:27:00.724]             `<<-` <- base::`<<-`
[17:27:00.724]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:00.724]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:00.724]                   3L)]
[17:27:00.724]             }
[17:27:00.724]             function(cond) {
[17:27:00.724]                 is_error <- inherits(cond, "error")
[17:27:00.724]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:00.724]                   NULL)
[17:27:00.724]                 if (is_error) {
[17:27:00.724]                   sessionInformation <- function() {
[17:27:00.724]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:00.724]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:00.724]                       search = base::search(), system = base::Sys.info())
[17:27:00.724]                   }
[17:27:00.724]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.724]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:00.724]                     cond$call), session = sessionInformation(), 
[17:27:00.724]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:00.724]                   signalCondition(cond)
[17:27:00.724]                 }
[17:27:00.724]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:00.724]                 "immediateCondition"))) {
[17:27:00.724]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:00.724]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.724]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:00.724]                   if (TRUE && !signal) {
[17:27:00.724]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.724]                     {
[17:27:00.724]                       inherits <- base::inherits
[17:27:00.724]                       invokeRestart <- base::invokeRestart
[17:27:00.724]                       is.null <- base::is.null
[17:27:00.724]                       muffled <- FALSE
[17:27:00.724]                       if (inherits(cond, "message")) {
[17:27:00.724]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.724]                         if (muffled) 
[17:27:00.724]                           invokeRestart("muffleMessage")
[17:27:00.724]                       }
[17:27:00.724]                       else if (inherits(cond, "warning")) {
[17:27:00.724]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.724]                         if (muffled) 
[17:27:00.724]                           invokeRestart("muffleWarning")
[17:27:00.724]                       }
[17:27:00.724]                       else if (inherits(cond, "condition")) {
[17:27:00.724]                         if (!is.null(pattern)) {
[17:27:00.724]                           computeRestarts <- base::computeRestarts
[17:27:00.724]                           grepl <- base::grepl
[17:27:00.724]                           restarts <- computeRestarts(cond)
[17:27:00.724]                           for (restart in restarts) {
[17:27:00.724]                             name <- restart$name
[17:27:00.724]                             if (is.null(name)) 
[17:27:00.724]                               next
[17:27:00.724]                             if (!grepl(pattern, name)) 
[17:27:00.724]                               next
[17:27:00.724]                             invokeRestart(restart)
[17:27:00.724]                             muffled <- TRUE
[17:27:00.724]                             break
[17:27:00.724]                           }
[17:27:00.724]                         }
[17:27:00.724]                       }
[17:27:00.724]                       invisible(muffled)
[17:27:00.724]                     }
[17:27:00.724]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.724]                   }
[17:27:00.724]                 }
[17:27:00.724]                 else {
[17:27:00.724]                   if (TRUE) {
[17:27:00.724]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.724]                     {
[17:27:00.724]                       inherits <- base::inherits
[17:27:00.724]                       invokeRestart <- base::invokeRestart
[17:27:00.724]                       is.null <- base::is.null
[17:27:00.724]                       muffled <- FALSE
[17:27:00.724]                       if (inherits(cond, "message")) {
[17:27:00.724]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.724]                         if (muffled) 
[17:27:00.724]                           invokeRestart("muffleMessage")
[17:27:00.724]                       }
[17:27:00.724]                       else if (inherits(cond, "warning")) {
[17:27:00.724]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.724]                         if (muffled) 
[17:27:00.724]                           invokeRestart("muffleWarning")
[17:27:00.724]                       }
[17:27:00.724]                       else if (inherits(cond, "condition")) {
[17:27:00.724]                         if (!is.null(pattern)) {
[17:27:00.724]                           computeRestarts <- base::computeRestarts
[17:27:00.724]                           grepl <- base::grepl
[17:27:00.724]                           restarts <- computeRestarts(cond)
[17:27:00.724]                           for (restart in restarts) {
[17:27:00.724]                             name <- restart$name
[17:27:00.724]                             if (is.null(name)) 
[17:27:00.724]                               next
[17:27:00.724]                             if (!grepl(pattern, name)) 
[17:27:00.724]                               next
[17:27:00.724]                             invokeRestart(restart)
[17:27:00.724]                             muffled <- TRUE
[17:27:00.724]                             break
[17:27:00.724]                           }
[17:27:00.724]                         }
[17:27:00.724]                       }
[17:27:00.724]                       invisible(muffled)
[17:27:00.724]                     }
[17:27:00.724]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.724]                   }
[17:27:00.724]                 }
[17:27:00.724]             }
[17:27:00.724]         }))
[17:27:00.724]     }, error = function(ex) {
[17:27:00.724]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:00.724]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.724]                 ...future.rng), started = ...future.startTime, 
[17:27:00.724]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:00.724]             version = "1.8"), class = "FutureResult")
[17:27:00.724]     }, finally = {
[17:27:00.724]         if (!identical(...future.workdir, getwd())) 
[17:27:00.724]             setwd(...future.workdir)
[17:27:00.724]         {
[17:27:00.724]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:00.724]                 ...future.oldOptions$nwarnings <- NULL
[17:27:00.724]             }
[17:27:00.724]             base::options(...future.oldOptions)
[17:27:00.724]             if (.Platform$OS.type == "windows") {
[17:27:00.724]                 old_names <- names(...future.oldEnvVars)
[17:27:00.724]                 envs <- base::Sys.getenv()
[17:27:00.724]                 names <- names(envs)
[17:27:00.724]                 common <- intersect(names, old_names)
[17:27:00.724]                 added <- setdiff(names, old_names)
[17:27:00.724]                 removed <- setdiff(old_names, names)
[17:27:00.724]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:00.724]                   envs[common]]
[17:27:00.724]                 NAMES <- toupper(changed)
[17:27:00.724]                 args <- list()
[17:27:00.724]                 for (kk in seq_along(NAMES)) {
[17:27:00.724]                   name <- changed[[kk]]
[17:27:00.724]                   NAME <- NAMES[[kk]]
[17:27:00.724]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.724]                     next
[17:27:00.724]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.724]                 }
[17:27:00.724]                 NAMES <- toupper(added)
[17:27:00.724]                 for (kk in seq_along(NAMES)) {
[17:27:00.724]                   name <- added[[kk]]
[17:27:00.724]                   NAME <- NAMES[[kk]]
[17:27:00.724]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.724]                     next
[17:27:00.724]                   args[[name]] <- ""
[17:27:00.724]                 }
[17:27:00.724]                 NAMES <- toupper(removed)
[17:27:00.724]                 for (kk in seq_along(NAMES)) {
[17:27:00.724]                   name <- removed[[kk]]
[17:27:00.724]                   NAME <- NAMES[[kk]]
[17:27:00.724]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.724]                     next
[17:27:00.724]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.724]                 }
[17:27:00.724]                 if (length(args) > 0) 
[17:27:00.724]                   base::do.call(base::Sys.setenv, args = args)
[17:27:00.724]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:00.724]             }
[17:27:00.724]             else {
[17:27:00.724]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:00.724]             }
[17:27:00.724]             {
[17:27:00.724]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:00.724]                   0L) {
[17:27:00.724]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:00.724]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:00.724]                   base::options(opts)
[17:27:00.724]                 }
[17:27:00.724]                 {
[17:27:00.724]                   {
[17:27:00.724]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:00.724]                     NULL
[17:27:00.724]                   }
[17:27:00.724]                   options(future.plan = NULL)
[17:27:00.724]                   if (is.na(NA_character_)) 
[17:27:00.724]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.724]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:00.724]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:00.724]                     .init = FALSE)
[17:27:00.724]                 }
[17:27:00.724]             }
[17:27:00.724]         }
[17:27:00.724]     })
[17:27:00.724]     if (TRUE) {
[17:27:00.724]         base::sink(type = "output", split = FALSE)
[17:27:00.724]         if (TRUE) {
[17:27:00.724]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:00.724]         }
[17:27:00.724]         else {
[17:27:00.724]             ...future.result["stdout"] <- base::list(NULL)
[17:27:00.724]         }
[17:27:00.724]         base::close(...future.stdout)
[17:27:00.724]         ...future.stdout <- NULL
[17:27:00.724]     }
[17:27:00.724]     ...future.result$conditions <- ...future.conditions
[17:27:00.724]     ...future.result$finished <- base::Sys.time()
[17:27:00.724]     ...future.result
[17:27:00.724] }
[17:27:00.729] Exporting 1 global objects (0 bytes) to cluster node #1 ...
[17:27:00.730] Exporting 'x' (0 bytes) to cluster node #1 ...
[17:27:00.730] Exporting 'x' (0 bytes) to cluster node #1 ... DONE
[17:27:00.730] Exporting 1 global objects (0 bytes) to cluster node #1 ... DONE
[17:27:00.731] MultisessionFuture started
[17:27:00.731] - Launch lazy future ... done
[17:27:00.731] run() for 'MultisessionFuture' ... done
[17:27:00.731] result() for ClusterFuture ...
[17:27:00.732] receiveMessageFromWorker() for ClusterFuture ...
[17:27:00.732] - Validating connection of MultisessionFuture
[17:27:00.744] - received message: FutureResult
[17:27:00.745] - Received FutureResult
[17:27:00.745] - Erased future from FutureRegistry
[17:27:00.745] result() for ClusterFuture ...
[17:27:00.745] - result already collected: FutureResult
[17:27:00.745] result() for ClusterFuture ... done
[17:27:00.745] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:00.746] result() for ClusterFuture ... done
[17:27:00.746] result() for ClusterFuture ...
[17:27:00.746] - result already collected: FutureResult
[17:27:00.746] result() for ClusterFuture ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:27:00.747] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:27:00.747] Searching for globals...
[17:27:00.749] - globals found: [6] '{', 'x', '<-', '[', '[<-', 'list'
[17:27:00.750] Searching for globals ... DONE
[17:27:00.750] Resolving globals: TRUE
[17:27:00.750] Resolving any globals that are futures ...
[17:27:00.750] - globals: [6] '{', 'x', '<-', '[', '[<-', 'list'
[17:27:00.750] Resolving any globals that are futures ... DONE
[17:27:00.751] Resolving futures part of globals (recursively) ...
[17:27:00.751] resolve() on list ...
[17:27:00.751]  recursive: 99
[17:27:00.752]  length: 1
[17:27:00.752]  elements: 'x'
[17:27:00.752]  length: 0 (resolved future 1)
[17:27:00.752] resolve() on list ... DONE
[17:27:00.752] - globals: [1] 'x'
[17:27:00.752] Resolving futures part of globals (recursively) ... DONE
[17:27:00.753] The total size of the 1 globals is 0 bytes (0 bytes)
[17:27:00.753] The total size of the 1 globals exported for future expression ('{; x["a"] <- list(1); x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[17:27:00.753] - globals: [1] 'x'
[17:27:00.753] 
[17:27:00.754] getGlobalsAndPackages() ... DONE
[17:27:00.754] run() for 'Future' ...
[17:27:00.754] - state: 'created'
[17:27:00.754] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:00.768] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:00.768] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:00.768]   - Field: 'node'
[17:27:00.768]   - Field: 'label'
[17:27:00.768]   - Field: 'local'
[17:27:00.769]   - Field: 'owner'
[17:27:00.769]   - Field: 'envir'
[17:27:00.769]   - Field: 'workers'
[17:27:00.769]   - Field: 'packages'
[17:27:00.769]   - Field: 'gc'
[17:27:00.769]   - Field: 'conditions'
[17:27:00.770]   - Field: 'persistent'
[17:27:00.770]   - Field: 'expr'
[17:27:00.770]   - Field: 'uuid'
[17:27:00.770]   - Field: 'seed'
[17:27:00.770]   - Field: 'version'
[17:27:00.770]   - Field: 'result'
[17:27:00.771]   - Field: 'asynchronous'
[17:27:00.771]   - Field: 'calls'
[17:27:00.771]   - Field: 'globals'
[17:27:00.771]   - Field: 'stdout'
[17:27:00.771]   - Field: 'earlySignal'
[17:27:00.772]   - Field: 'lazy'
[17:27:00.772]   - Field: 'state'
[17:27:00.772] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:00.772] - Launch lazy future ...
[17:27:00.772] Packages needed by the future expression (n = 0): <none>
[17:27:00.773] Packages needed by future strategies (n = 0): <none>
[17:27:00.773] {
[17:27:00.773]     {
[17:27:00.773]         {
[17:27:00.773]             ...future.startTime <- base::Sys.time()
[17:27:00.773]             {
[17:27:00.773]                 {
[17:27:00.773]                   {
[17:27:00.773]                     {
[17:27:00.773]                       base::local({
[17:27:00.773]                         has_future <- base::requireNamespace("future", 
[17:27:00.773]                           quietly = TRUE)
[17:27:00.773]                         if (has_future) {
[17:27:00.773]                           ns <- base::getNamespace("future")
[17:27:00.773]                           version <- ns[[".package"]][["version"]]
[17:27:00.773]                           if (is.null(version)) 
[17:27:00.773]                             version <- utils::packageVersion("future")
[17:27:00.773]                         }
[17:27:00.773]                         else {
[17:27:00.773]                           version <- NULL
[17:27:00.773]                         }
[17:27:00.773]                         if (!has_future || version < "1.8.0") {
[17:27:00.773]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:00.773]                             "", base::R.version$version.string), 
[17:27:00.773]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:00.773]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:00.773]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:00.773]                               "release", "version")], collapse = " "), 
[17:27:00.773]                             hostname = base::Sys.info()[["nodename"]])
[17:27:00.773]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:00.773]                             info)
[17:27:00.773]                           info <- base::paste(info, collapse = "; ")
[17:27:00.773]                           if (!has_future) {
[17:27:00.773]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:00.773]                               info)
[17:27:00.773]                           }
[17:27:00.773]                           else {
[17:27:00.773]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:00.773]                               info, version)
[17:27:00.773]                           }
[17:27:00.773]                           base::stop(msg)
[17:27:00.773]                         }
[17:27:00.773]                       })
[17:27:00.773]                     }
[17:27:00.773]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:00.773]                     base::options(mc.cores = 1L)
[17:27:00.773]                   }
[17:27:00.773]                   ...future.strategy.old <- future::plan("list")
[17:27:00.773]                   options(future.plan = NULL)
[17:27:00.773]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.773]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:00.773]                 }
[17:27:00.773]                 ...future.workdir <- getwd()
[17:27:00.773]             }
[17:27:00.773]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:00.773]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:00.773]         }
[17:27:00.773]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:27:00.773]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:00.773]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:27:00.773]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:27:00.773]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:00.773]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:00.773]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:00.773]             base::names(...future.oldOptions))
[17:27:00.773]     }
[17:27:00.773]     if (FALSE) {
[17:27:00.773]     }
[17:27:00.773]     else {
[17:27:00.773]         if (TRUE) {
[17:27:00.773]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:00.773]                 open = "w")
[17:27:00.773]         }
[17:27:00.773]         else {
[17:27:00.773]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:00.773]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:00.773]         }
[17:27:00.773]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:00.773]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:00.773]             base::sink(type = "output", split = FALSE)
[17:27:00.773]             base::close(...future.stdout)
[17:27:00.773]         }, add = TRUE)
[17:27:00.773]     }
[17:27:00.773]     ...future.frame <- base::sys.nframe()
[17:27:00.773]     ...future.conditions <- base::list()
[17:27:00.773]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:00.773]     if (FALSE) {
[17:27:00.773]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:00.773]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:00.773]     }
[17:27:00.773]     ...future.result <- base::tryCatch({
[17:27:00.773]         base::withCallingHandlers({
[17:27:00.773]             ...future.value <- base::withVisible(base::local({
[17:27:00.773]                 ...future.makeSendCondition <- base::local({
[17:27:00.773]                   sendCondition <- NULL
[17:27:00.773]                   function(frame = 1L) {
[17:27:00.773]                     if (is.function(sendCondition)) 
[17:27:00.773]                       return(sendCondition)
[17:27:00.773]                     ns <- getNamespace("parallel")
[17:27:00.773]                     if (exists("sendData", mode = "function", 
[17:27:00.773]                       envir = ns)) {
[17:27:00.773]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:00.773]                         envir = ns)
[17:27:00.773]                       envir <- sys.frame(frame)
[17:27:00.773]                       master <- NULL
[17:27:00.773]                       while (!identical(envir, .GlobalEnv) && 
[17:27:00.773]                         !identical(envir, emptyenv())) {
[17:27:00.773]                         if (exists("master", mode = "list", envir = envir, 
[17:27:00.773]                           inherits = FALSE)) {
[17:27:00.773]                           master <- get("master", mode = "list", 
[17:27:00.773]                             envir = envir, inherits = FALSE)
[17:27:00.773]                           if (inherits(master, c("SOCKnode", 
[17:27:00.773]                             "SOCK0node"))) {
[17:27:00.773]                             sendCondition <<- function(cond) {
[17:27:00.773]                               data <- list(type = "VALUE", value = cond, 
[17:27:00.773]                                 success = TRUE)
[17:27:00.773]                               parallel_sendData(master, data)
[17:27:00.773]                             }
[17:27:00.773]                             return(sendCondition)
[17:27:00.773]                           }
[17:27:00.773]                         }
[17:27:00.773]                         frame <- frame + 1L
[17:27:00.773]                         envir <- sys.frame(frame)
[17:27:00.773]                       }
[17:27:00.773]                     }
[17:27:00.773]                     sendCondition <<- function(cond) NULL
[17:27:00.773]                   }
[17:27:00.773]                 })
[17:27:00.773]                 withCallingHandlers({
[17:27:00.773]                   {
[17:27:00.773]                     x["a"] <- list(1)
[17:27:00.773]                     x
[17:27:00.773]                   }
[17:27:00.773]                 }, immediateCondition = function(cond) {
[17:27:00.773]                   sendCondition <- ...future.makeSendCondition()
[17:27:00.773]                   sendCondition(cond)
[17:27:00.773]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.773]                   {
[17:27:00.773]                     inherits <- base::inherits
[17:27:00.773]                     invokeRestart <- base::invokeRestart
[17:27:00.773]                     is.null <- base::is.null
[17:27:00.773]                     muffled <- FALSE
[17:27:00.773]                     if (inherits(cond, "message")) {
[17:27:00.773]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:00.773]                       if (muffled) 
[17:27:00.773]                         invokeRestart("muffleMessage")
[17:27:00.773]                     }
[17:27:00.773]                     else if (inherits(cond, "warning")) {
[17:27:00.773]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:00.773]                       if (muffled) 
[17:27:00.773]                         invokeRestart("muffleWarning")
[17:27:00.773]                     }
[17:27:00.773]                     else if (inherits(cond, "condition")) {
[17:27:00.773]                       if (!is.null(pattern)) {
[17:27:00.773]                         computeRestarts <- base::computeRestarts
[17:27:00.773]                         grepl <- base::grepl
[17:27:00.773]                         restarts <- computeRestarts(cond)
[17:27:00.773]                         for (restart in restarts) {
[17:27:00.773]                           name <- restart$name
[17:27:00.773]                           if (is.null(name)) 
[17:27:00.773]                             next
[17:27:00.773]                           if (!grepl(pattern, name)) 
[17:27:00.773]                             next
[17:27:00.773]                           invokeRestart(restart)
[17:27:00.773]                           muffled <- TRUE
[17:27:00.773]                           break
[17:27:00.773]                         }
[17:27:00.773]                       }
[17:27:00.773]                     }
[17:27:00.773]                     invisible(muffled)
[17:27:00.773]                   }
[17:27:00.773]                   muffleCondition(cond)
[17:27:00.773]                 })
[17:27:00.773]             }))
[17:27:00.773]             future::FutureResult(value = ...future.value$value, 
[17:27:00.773]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.773]                   ...future.rng), globalenv = if (FALSE) 
[17:27:00.773]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:00.773]                     ...future.globalenv.names))
[17:27:00.773]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:00.773]         }, condition = base::local({
[17:27:00.773]             c <- base::c
[17:27:00.773]             inherits <- base::inherits
[17:27:00.773]             invokeRestart <- base::invokeRestart
[17:27:00.773]             length <- base::length
[17:27:00.773]             list <- base::list
[17:27:00.773]             seq.int <- base::seq.int
[17:27:00.773]             signalCondition <- base::signalCondition
[17:27:00.773]             sys.calls <- base::sys.calls
[17:27:00.773]             `[[` <- base::`[[`
[17:27:00.773]             `+` <- base::`+`
[17:27:00.773]             `<<-` <- base::`<<-`
[17:27:00.773]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:00.773]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:00.773]                   3L)]
[17:27:00.773]             }
[17:27:00.773]             function(cond) {
[17:27:00.773]                 is_error <- inherits(cond, "error")
[17:27:00.773]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:00.773]                   NULL)
[17:27:00.773]                 if (is_error) {
[17:27:00.773]                   sessionInformation <- function() {
[17:27:00.773]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:00.773]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:00.773]                       search = base::search(), system = base::Sys.info())
[17:27:00.773]                   }
[17:27:00.773]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.773]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:00.773]                     cond$call), session = sessionInformation(), 
[17:27:00.773]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:00.773]                   signalCondition(cond)
[17:27:00.773]                 }
[17:27:00.773]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:00.773]                 "immediateCondition"))) {
[17:27:00.773]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:00.773]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.773]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:00.773]                   if (TRUE && !signal) {
[17:27:00.773]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.773]                     {
[17:27:00.773]                       inherits <- base::inherits
[17:27:00.773]                       invokeRestart <- base::invokeRestart
[17:27:00.773]                       is.null <- base::is.null
[17:27:00.773]                       muffled <- FALSE
[17:27:00.773]                       if (inherits(cond, "message")) {
[17:27:00.773]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.773]                         if (muffled) 
[17:27:00.773]                           invokeRestart("muffleMessage")
[17:27:00.773]                       }
[17:27:00.773]                       else if (inherits(cond, "warning")) {
[17:27:00.773]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.773]                         if (muffled) 
[17:27:00.773]                           invokeRestart("muffleWarning")
[17:27:00.773]                       }
[17:27:00.773]                       else if (inherits(cond, "condition")) {
[17:27:00.773]                         if (!is.null(pattern)) {
[17:27:00.773]                           computeRestarts <- base::computeRestarts
[17:27:00.773]                           grepl <- base::grepl
[17:27:00.773]                           restarts <- computeRestarts(cond)
[17:27:00.773]                           for (restart in restarts) {
[17:27:00.773]                             name <- restart$name
[17:27:00.773]                             if (is.null(name)) 
[17:27:00.773]                               next
[17:27:00.773]                             if (!grepl(pattern, name)) 
[17:27:00.773]                               next
[17:27:00.773]                             invokeRestart(restart)
[17:27:00.773]                             muffled <- TRUE
[17:27:00.773]                             break
[17:27:00.773]                           }
[17:27:00.773]                         }
[17:27:00.773]                       }
[17:27:00.773]                       invisible(muffled)
[17:27:00.773]                     }
[17:27:00.773]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.773]                   }
[17:27:00.773]                 }
[17:27:00.773]                 else {
[17:27:00.773]                   if (TRUE) {
[17:27:00.773]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.773]                     {
[17:27:00.773]                       inherits <- base::inherits
[17:27:00.773]                       invokeRestart <- base::invokeRestart
[17:27:00.773]                       is.null <- base::is.null
[17:27:00.773]                       muffled <- FALSE
[17:27:00.773]                       if (inherits(cond, "message")) {
[17:27:00.773]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.773]                         if (muffled) 
[17:27:00.773]                           invokeRestart("muffleMessage")
[17:27:00.773]                       }
[17:27:00.773]                       else if (inherits(cond, "warning")) {
[17:27:00.773]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.773]                         if (muffled) 
[17:27:00.773]                           invokeRestart("muffleWarning")
[17:27:00.773]                       }
[17:27:00.773]                       else if (inherits(cond, "condition")) {
[17:27:00.773]                         if (!is.null(pattern)) {
[17:27:00.773]                           computeRestarts <- base::computeRestarts
[17:27:00.773]                           grepl <- base::grepl
[17:27:00.773]                           restarts <- computeRestarts(cond)
[17:27:00.773]                           for (restart in restarts) {
[17:27:00.773]                             name <- restart$name
[17:27:00.773]                             if (is.null(name)) 
[17:27:00.773]                               next
[17:27:00.773]                             if (!grepl(pattern, name)) 
[17:27:00.773]                               next
[17:27:00.773]                             invokeRestart(restart)
[17:27:00.773]                             muffled <- TRUE
[17:27:00.773]                             break
[17:27:00.773]                           }
[17:27:00.773]                         }
[17:27:00.773]                       }
[17:27:00.773]                       invisible(muffled)
[17:27:00.773]                     }
[17:27:00.773]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.773]                   }
[17:27:00.773]                 }
[17:27:00.773]             }
[17:27:00.773]         }))
[17:27:00.773]     }, error = function(ex) {
[17:27:00.773]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:00.773]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.773]                 ...future.rng), started = ...future.startTime, 
[17:27:00.773]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:00.773]             version = "1.8"), class = "FutureResult")
[17:27:00.773]     }, finally = {
[17:27:00.773]         if (!identical(...future.workdir, getwd())) 
[17:27:00.773]             setwd(...future.workdir)
[17:27:00.773]         {
[17:27:00.773]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:00.773]                 ...future.oldOptions$nwarnings <- NULL
[17:27:00.773]             }
[17:27:00.773]             base::options(...future.oldOptions)
[17:27:00.773]             if (.Platform$OS.type == "windows") {
[17:27:00.773]                 old_names <- names(...future.oldEnvVars)
[17:27:00.773]                 envs <- base::Sys.getenv()
[17:27:00.773]                 names <- names(envs)
[17:27:00.773]                 common <- intersect(names, old_names)
[17:27:00.773]                 added <- setdiff(names, old_names)
[17:27:00.773]                 removed <- setdiff(old_names, names)
[17:27:00.773]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:00.773]                   envs[common]]
[17:27:00.773]                 NAMES <- toupper(changed)
[17:27:00.773]                 args <- list()
[17:27:00.773]                 for (kk in seq_along(NAMES)) {
[17:27:00.773]                   name <- changed[[kk]]
[17:27:00.773]                   NAME <- NAMES[[kk]]
[17:27:00.773]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.773]                     next
[17:27:00.773]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.773]                 }
[17:27:00.773]                 NAMES <- toupper(added)
[17:27:00.773]                 for (kk in seq_along(NAMES)) {
[17:27:00.773]                   name <- added[[kk]]
[17:27:00.773]                   NAME <- NAMES[[kk]]
[17:27:00.773]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.773]                     next
[17:27:00.773]                   args[[name]] <- ""
[17:27:00.773]                 }
[17:27:00.773]                 NAMES <- toupper(removed)
[17:27:00.773]                 for (kk in seq_along(NAMES)) {
[17:27:00.773]                   name <- removed[[kk]]
[17:27:00.773]                   NAME <- NAMES[[kk]]
[17:27:00.773]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.773]                     next
[17:27:00.773]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.773]                 }
[17:27:00.773]                 if (length(args) > 0) 
[17:27:00.773]                   base::do.call(base::Sys.setenv, args = args)
[17:27:00.773]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:00.773]             }
[17:27:00.773]             else {
[17:27:00.773]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:00.773]             }
[17:27:00.773]             {
[17:27:00.773]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:00.773]                   0L) {
[17:27:00.773]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:00.773]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:00.773]                   base::options(opts)
[17:27:00.773]                 }
[17:27:00.773]                 {
[17:27:00.773]                   {
[17:27:00.773]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:00.773]                     NULL
[17:27:00.773]                   }
[17:27:00.773]                   options(future.plan = NULL)
[17:27:00.773]                   if (is.na(NA_character_)) 
[17:27:00.773]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.773]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:00.773]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:00.773]                     .init = FALSE)
[17:27:00.773]                 }
[17:27:00.773]             }
[17:27:00.773]         }
[17:27:00.773]     })
[17:27:00.773]     if (TRUE) {
[17:27:00.773]         base::sink(type = "output", split = FALSE)
[17:27:00.773]         if (TRUE) {
[17:27:00.773]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:00.773]         }
[17:27:00.773]         else {
[17:27:00.773]             ...future.result["stdout"] <- base::list(NULL)
[17:27:00.773]         }
[17:27:00.773]         base::close(...future.stdout)
[17:27:00.773]         ...future.stdout <- NULL
[17:27:00.773]     }
[17:27:00.773]     ...future.result$conditions <- ...future.conditions
[17:27:00.773]     ...future.result$finished <- base::Sys.time()
[17:27:00.773]     ...future.result
[17:27:00.773] }
[17:27:00.778] Exporting 1 global objects (0 bytes) to cluster node #1 ...
[17:27:00.778] Exporting 'x' (0 bytes) to cluster node #1 ...
[17:27:00.779] Exporting 'x' (0 bytes) to cluster node #1 ... DONE
[17:27:00.779] Exporting 1 global objects (0 bytes) to cluster node #1 ... DONE
[17:27:00.780] MultisessionFuture started
[17:27:00.780] - Launch lazy future ... done
[17:27:00.780] run() for 'MultisessionFuture' ... done
[17:27:00.780] result() for ClusterFuture ...
[17:27:00.780] receiveMessageFromWorker() for ClusterFuture ...
[17:27:00.780] - Validating connection of MultisessionFuture
[17:27:00.794] - received message: FutureResult
[17:27:00.794] - Received FutureResult
[17:27:00.794] - Erased future from FutureRegistry
[17:27:00.794] result() for ClusterFuture ...
[17:27:00.794] - result already collected: FutureResult
[17:27:00.795] result() for ClusterFuture ... done
[17:27:00.795] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:00.795] result() for ClusterFuture ... done
[17:27:00.795] result() for ClusterFuture ...
[17:27:00.795] - result already collected: FutureResult
[17:27:00.795] result() for ClusterFuture ... done
$a
[1] 1

Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[17:27:00.796] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[17:27:00.796] Searching for globals...
[17:27:00.799] - globals found: [7] '{', 'x', '<-', '[', 'name', '[<-', 'list'
[17:27:00.799] Searching for globals ... DONE
[17:27:00.799] Resolving globals: TRUE
[17:27:00.800] Resolving any globals that are futures ...
[17:27:00.800] - globals: [7] '{', 'x', '<-', '[', 'name', '[<-', 'list'
[17:27:00.800] Resolving any globals that are futures ... DONE
[17:27:00.800] Resolving futures part of globals (recursively) ...
[17:27:00.801] resolve() on list ...
[17:27:00.801]  recursive: 99
[17:27:00.801]  length: 2
[17:27:00.801]  elements: 'x', 'name'
[17:27:00.801]  length: 1 (resolved future 1)
[17:27:00.802]  length: 0 (resolved future 2)
[17:27:00.802] resolve() on list ... DONE
[17:27:00.802] - globals: [2] 'x', 'name'
[17:27:00.802] Resolving futures part of globals (recursively) ... DONE
[17:27:00.802] The total size of the 2 globals is 112 bytes (112 bytes)
[17:27:00.803] The total size of the 2 globals exported for future expression ('{; x[name] <- list(1); x; }') is 112 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There are two globals: 'name' (112 bytes of class 'character') and 'x' (0 bytes of class 'list')
[17:27:00.803] - globals: [2] 'x', 'name'
[17:27:00.803] 
[17:27:00.803] getGlobalsAndPackages() ... DONE
[17:27:00.804] run() for 'Future' ...
[17:27:00.804] - state: 'created'
[17:27:00.804] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:00.818] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:00.818] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:00.818]   - Field: 'node'
[17:27:00.818]   - Field: 'label'
[17:27:00.818]   - Field: 'local'
[17:27:00.819]   - Field: 'owner'
[17:27:00.819]   - Field: 'envir'
[17:27:00.819]   - Field: 'workers'
[17:27:00.819]   - Field: 'packages'
[17:27:00.819]   - Field: 'gc'
[17:27:00.819]   - Field: 'conditions'
[17:27:00.820]   - Field: 'persistent'
[17:27:00.820]   - Field: 'expr'
[17:27:00.820]   - Field: 'uuid'
[17:27:00.820]   - Field: 'seed'
[17:27:00.820]   - Field: 'version'
[17:27:00.820]   - Field: 'result'
[17:27:00.821]   - Field: 'asynchronous'
[17:27:00.821]   - Field: 'calls'
[17:27:00.821]   - Field: 'globals'
[17:27:00.821]   - Field: 'stdout'
[17:27:00.821]   - Field: 'earlySignal'
[17:27:00.822]   - Field: 'lazy'
[17:27:00.822]   - Field: 'state'
[17:27:00.822] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:00.822] - Launch lazy future ...
[17:27:00.822] Packages needed by the future expression (n = 0): <none>
[17:27:00.823] Packages needed by future strategies (n = 0): <none>
[17:27:00.823] {
[17:27:00.823]     {
[17:27:00.823]         {
[17:27:00.823]             ...future.startTime <- base::Sys.time()
[17:27:00.823]             {
[17:27:00.823]                 {
[17:27:00.823]                   {
[17:27:00.823]                     {
[17:27:00.823]                       base::local({
[17:27:00.823]                         has_future <- base::requireNamespace("future", 
[17:27:00.823]                           quietly = TRUE)
[17:27:00.823]                         if (has_future) {
[17:27:00.823]                           ns <- base::getNamespace("future")
[17:27:00.823]                           version <- ns[[".package"]][["version"]]
[17:27:00.823]                           if (is.null(version)) 
[17:27:00.823]                             version <- utils::packageVersion("future")
[17:27:00.823]                         }
[17:27:00.823]                         else {
[17:27:00.823]                           version <- NULL
[17:27:00.823]                         }
[17:27:00.823]                         if (!has_future || version < "1.8.0") {
[17:27:00.823]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:00.823]                             "", base::R.version$version.string), 
[17:27:00.823]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:00.823]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:00.823]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:00.823]                               "release", "version")], collapse = " "), 
[17:27:00.823]                             hostname = base::Sys.info()[["nodename"]])
[17:27:00.823]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:00.823]                             info)
[17:27:00.823]                           info <- base::paste(info, collapse = "; ")
[17:27:00.823]                           if (!has_future) {
[17:27:00.823]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:00.823]                               info)
[17:27:00.823]                           }
[17:27:00.823]                           else {
[17:27:00.823]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:00.823]                               info, version)
[17:27:00.823]                           }
[17:27:00.823]                           base::stop(msg)
[17:27:00.823]                         }
[17:27:00.823]                       })
[17:27:00.823]                     }
[17:27:00.823]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:00.823]                     base::options(mc.cores = 1L)
[17:27:00.823]                   }
[17:27:00.823]                   ...future.strategy.old <- future::plan("list")
[17:27:00.823]                   options(future.plan = NULL)
[17:27:00.823]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.823]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:00.823]                 }
[17:27:00.823]                 ...future.workdir <- getwd()
[17:27:00.823]             }
[17:27:00.823]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:00.823]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:00.823]         }
[17:27:00.823]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[17:27:00.823]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:00.823]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[17:27:00.823]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[17:27:00.823]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:00.823]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:00.823]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:00.823]             base::names(...future.oldOptions))
[17:27:00.823]     }
[17:27:00.823]     if (FALSE) {
[17:27:00.823]     }
[17:27:00.823]     else {
[17:27:00.823]         if (TRUE) {
[17:27:00.823]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:00.823]                 open = "w")
[17:27:00.823]         }
[17:27:00.823]         else {
[17:27:00.823]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:00.823]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:00.823]         }
[17:27:00.823]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:00.823]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:00.823]             base::sink(type = "output", split = FALSE)
[17:27:00.823]             base::close(...future.stdout)
[17:27:00.823]         }, add = TRUE)
[17:27:00.823]     }
[17:27:00.823]     ...future.frame <- base::sys.nframe()
[17:27:00.823]     ...future.conditions <- base::list()
[17:27:00.823]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:00.823]     if (FALSE) {
[17:27:00.823]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:00.823]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:00.823]     }
[17:27:00.823]     ...future.result <- base::tryCatch({
[17:27:00.823]         base::withCallingHandlers({
[17:27:00.823]             ...future.value <- base::withVisible(base::local({
[17:27:00.823]                 ...future.makeSendCondition <- base::local({
[17:27:00.823]                   sendCondition <- NULL
[17:27:00.823]                   function(frame = 1L) {
[17:27:00.823]                     if (is.function(sendCondition)) 
[17:27:00.823]                       return(sendCondition)
[17:27:00.823]                     ns <- getNamespace("parallel")
[17:27:00.823]                     if (exists("sendData", mode = "function", 
[17:27:00.823]                       envir = ns)) {
[17:27:00.823]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:00.823]                         envir = ns)
[17:27:00.823]                       envir <- sys.frame(frame)
[17:27:00.823]                       master <- NULL
[17:27:00.823]                       while (!identical(envir, .GlobalEnv) && 
[17:27:00.823]                         !identical(envir, emptyenv())) {
[17:27:00.823]                         if (exists("master", mode = "list", envir = envir, 
[17:27:00.823]                           inherits = FALSE)) {
[17:27:00.823]                           master <- get("master", mode = "list", 
[17:27:00.823]                             envir = envir, inherits = FALSE)
[17:27:00.823]                           if (inherits(master, c("SOCKnode", 
[17:27:00.823]                             "SOCK0node"))) {
[17:27:00.823]                             sendCondition <<- function(cond) {
[17:27:00.823]                               data <- list(type = "VALUE", value = cond, 
[17:27:00.823]                                 success = TRUE)
[17:27:00.823]                               parallel_sendData(master, data)
[17:27:00.823]                             }
[17:27:00.823]                             return(sendCondition)
[17:27:00.823]                           }
[17:27:00.823]                         }
[17:27:00.823]                         frame <- frame + 1L
[17:27:00.823]                         envir <- sys.frame(frame)
[17:27:00.823]                       }
[17:27:00.823]                     }
[17:27:00.823]                     sendCondition <<- function(cond) NULL
[17:27:00.823]                   }
[17:27:00.823]                 })
[17:27:00.823]                 withCallingHandlers({
[17:27:00.823]                   {
[17:27:00.823]                     x[name] <- list(1)
[17:27:00.823]                     x
[17:27:00.823]                   }
[17:27:00.823]                 }, immediateCondition = function(cond) {
[17:27:00.823]                   sendCondition <- ...future.makeSendCondition()
[17:27:00.823]                   sendCondition(cond)
[17:27:00.823]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.823]                   {
[17:27:00.823]                     inherits <- base::inherits
[17:27:00.823]                     invokeRestart <- base::invokeRestart
[17:27:00.823]                     is.null <- base::is.null
[17:27:00.823]                     muffled <- FALSE
[17:27:00.823]                     if (inherits(cond, "message")) {
[17:27:00.823]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:00.823]                       if (muffled) 
[17:27:00.823]                         invokeRestart("muffleMessage")
[17:27:00.823]                     }
[17:27:00.823]                     else if (inherits(cond, "warning")) {
[17:27:00.823]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:00.823]                       if (muffled) 
[17:27:00.823]                         invokeRestart("muffleWarning")
[17:27:00.823]                     }
[17:27:00.823]                     else if (inherits(cond, "condition")) {
[17:27:00.823]                       if (!is.null(pattern)) {
[17:27:00.823]                         computeRestarts <- base::computeRestarts
[17:27:00.823]                         grepl <- base::grepl
[17:27:00.823]                         restarts <- computeRestarts(cond)
[17:27:00.823]                         for (restart in restarts) {
[17:27:00.823]                           name <- restart$name
[17:27:00.823]                           if (is.null(name)) 
[17:27:00.823]                             next
[17:27:00.823]                           if (!grepl(pattern, name)) 
[17:27:00.823]                             next
[17:27:00.823]                           invokeRestart(restart)
[17:27:00.823]                           muffled <- TRUE
[17:27:00.823]                           break
[17:27:00.823]                         }
[17:27:00.823]                       }
[17:27:00.823]                     }
[17:27:00.823]                     invisible(muffled)
[17:27:00.823]                   }
[17:27:00.823]                   muffleCondition(cond)
[17:27:00.823]                 })
[17:27:00.823]             }))
[17:27:00.823]             future::FutureResult(value = ...future.value$value, 
[17:27:00.823]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.823]                   ...future.rng), globalenv = if (FALSE) 
[17:27:00.823]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:00.823]                     ...future.globalenv.names))
[17:27:00.823]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:00.823]         }, condition = base::local({
[17:27:00.823]             c <- base::c
[17:27:00.823]             inherits <- base::inherits
[17:27:00.823]             invokeRestart <- base::invokeRestart
[17:27:00.823]             length <- base::length
[17:27:00.823]             list <- base::list
[17:27:00.823]             seq.int <- base::seq.int
[17:27:00.823]             signalCondition <- base::signalCondition
[17:27:00.823]             sys.calls <- base::sys.calls
[17:27:00.823]             `[[` <- base::`[[`
[17:27:00.823]             `+` <- base::`+`
[17:27:00.823]             `<<-` <- base::`<<-`
[17:27:00.823]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:00.823]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:00.823]                   3L)]
[17:27:00.823]             }
[17:27:00.823]             function(cond) {
[17:27:00.823]                 is_error <- inherits(cond, "error")
[17:27:00.823]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:00.823]                   NULL)
[17:27:00.823]                 if (is_error) {
[17:27:00.823]                   sessionInformation <- function() {
[17:27:00.823]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:00.823]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:00.823]                       search = base::search(), system = base::Sys.info())
[17:27:00.823]                   }
[17:27:00.823]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.823]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:00.823]                     cond$call), session = sessionInformation(), 
[17:27:00.823]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:00.823]                   signalCondition(cond)
[17:27:00.823]                 }
[17:27:00.823]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:00.823]                 "immediateCondition"))) {
[17:27:00.823]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:00.823]                   ...future.conditions[[length(...future.conditions) + 
[17:27:00.823]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:00.823]                   if (TRUE && !signal) {
[17:27:00.823]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.823]                     {
[17:27:00.823]                       inherits <- base::inherits
[17:27:00.823]                       invokeRestart <- base::invokeRestart
[17:27:00.823]                       is.null <- base::is.null
[17:27:00.823]                       muffled <- FALSE
[17:27:00.823]                       if (inherits(cond, "message")) {
[17:27:00.823]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.823]                         if (muffled) 
[17:27:00.823]                           invokeRestart("muffleMessage")
[17:27:00.823]                       }
[17:27:00.823]                       else if (inherits(cond, "warning")) {
[17:27:00.823]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.823]                         if (muffled) 
[17:27:00.823]                           invokeRestart("muffleWarning")
[17:27:00.823]                       }
[17:27:00.823]                       else if (inherits(cond, "condition")) {
[17:27:00.823]                         if (!is.null(pattern)) {
[17:27:00.823]                           computeRestarts <- base::computeRestarts
[17:27:00.823]                           grepl <- base::grepl
[17:27:00.823]                           restarts <- computeRestarts(cond)
[17:27:00.823]                           for (restart in restarts) {
[17:27:00.823]                             name <- restart$name
[17:27:00.823]                             if (is.null(name)) 
[17:27:00.823]                               next
[17:27:00.823]                             if (!grepl(pattern, name)) 
[17:27:00.823]                               next
[17:27:00.823]                             invokeRestart(restart)
[17:27:00.823]                             muffled <- TRUE
[17:27:00.823]                             break
[17:27:00.823]                           }
[17:27:00.823]                         }
[17:27:00.823]                       }
[17:27:00.823]                       invisible(muffled)
[17:27:00.823]                     }
[17:27:00.823]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.823]                   }
[17:27:00.823]                 }
[17:27:00.823]                 else {
[17:27:00.823]                   if (TRUE) {
[17:27:00.823]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:00.823]                     {
[17:27:00.823]                       inherits <- base::inherits
[17:27:00.823]                       invokeRestart <- base::invokeRestart
[17:27:00.823]                       is.null <- base::is.null
[17:27:00.823]                       muffled <- FALSE
[17:27:00.823]                       if (inherits(cond, "message")) {
[17:27:00.823]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:00.823]                         if (muffled) 
[17:27:00.823]                           invokeRestart("muffleMessage")
[17:27:00.823]                       }
[17:27:00.823]                       else if (inherits(cond, "warning")) {
[17:27:00.823]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:00.823]                         if (muffled) 
[17:27:00.823]                           invokeRestart("muffleWarning")
[17:27:00.823]                       }
[17:27:00.823]                       else if (inherits(cond, "condition")) {
[17:27:00.823]                         if (!is.null(pattern)) {
[17:27:00.823]                           computeRestarts <- base::computeRestarts
[17:27:00.823]                           grepl <- base::grepl
[17:27:00.823]                           restarts <- computeRestarts(cond)
[17:27:00.823]                           for (restart in restarts) {
[17:27:00.823]                             name <- restart$name
[17:27:00.823]                             if (is.null(name)) 
[17:27:00.823]                               next
[17:27:00.823]                             if (!grepl(pattern, name)) 
[17:27:00.823]                               next
[17:27:00.823]                             invokeRestart(restart)
[17:27:00.823]                             muffled <- TRUE
[17:27:00.823]                             break
[17:27:00.823]                           }
[17:27:00.823]                         }
[17:27:00.823]                       }
[17:27:00.823]                       invisible(muffled)
[17:27:00.823]                     }
[17:27:00.823]                     muffleCondition(cond, pattern = "^muffle")
[17:27:00.823]                   }
[17:27:00.823]                 }
[17:27:00.823]             }
[17:27:00.823]         }))
[17:27:00.823]     }, error = function(ex) {
[17:27:00.823]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:00.823]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:00.823]                 ...future.rng), started = ...future.startTime, 
[17:27:00.823]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:00.823]             version = "1.8"), class = "FutureResult")
[17:27:00.823]     }, finally = {
[17:27:00.823]         if (!identical(...future.workdir, getwd())) 
[17:27:00.823]             setwd(...future.workdir)
[17:27:00.823]         {
[17:27:00.823]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:00.823]                 ...future.oldOptions$nwarnings <- NULL
[17:27:00.823]             }
[17:27:00.823]             base::options(...future.oldOptions)
[17:27:00.823]             if (.Platform$OS.type == "windows") {
[17:27:00.823]                 old_names <- names(...future.oldEnvVars)
[17:27:00.823]                 envs <- base::Sys.getenv()
[17:27:00.823]                 names <- names(envs)
[17:27:00.823]                 common <- intersect(names, old_names)
[17:27:00.823]                 added <- setdiff(names, old_names)
[17:27:00.823]                 removed <- setdiff(old_names, names)
[17:27:00.823]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:00.823]                   envs[common]]
[17:27:00.823]                 NAMES <- toupper(changed)
[17:27:00.823]                 args <- list()
[17:27:00.823]                 for (kk in seq_along(NAMES)) {
[17:27:00.823]                   name <- changed[[kk]]
[17:27:00.823]                   NAME <- NAMES[[kk]]
[17:27:00.823]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.823]                     next
[17:27:00.823]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.823]                 }
[17:27:00.823]                 NAMES <- toupper(added)
[17:27:00.823]                 for (kk in seq_along(NAMES)) {
[17:27:00.823]                   name <- added[[kk]]
[17:27:00.823]                   NAME <- NAMES[[kk]]
[17:27:00.823]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.823]                     next
[17:27:00.823]                   args[[name]] <- ""
[17:27:00.823]                 }
[17:27:00.823]                 NAMES <- toupper(removed)
[17:27:00.823]                 for (kk in seq_along(NAMES)) {
[17:27:00.823]                   name <- removed[[kk]]
[17:27:00.823]                   NAME <- NAMES[[kk]]
[17:27:00.823]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:00.823]                     next
[17:27:00.823]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:00.823]                 }
[17:27:00.823]                 if (length(args) > 0) 
[17:27:00.823]                   base::do.call(base::Sys.setenv, args = args)
[17:27:00.823]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:00.823]             }
[17:27:00.823]             else {
[17:27:00.823]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:00.823]             }
[17:27:00.823]             {
[17:27:00.823]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:00.823]                   0L) {
[17:27:00.823]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:00.823]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:00.823]                   base::options(opts)
[17:27:00.823]                 }
[17:27:00.823]                 {
[17:27:00.823]                   {
[17:27:00.823]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:00.823]                     NULL
[17:27:00.823]                   }
[17:27:00.823]                   options(future.plan = NULL)
[17:27:00.823]                   if (is.na(NA_character_)) 
[17:27:00.823]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:00.823]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:00.823]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:00.823]                     .init = FALSE)
[17:27:00.823]                 }
[17:27:00.823]             }
[17:27:00.823]         }
[17:27:00.823]     })
[17:27:00.823]     if (TRUE) {
[17:27:00.823]         base::sink(type = "output", split = FALSE)
[17:27:00.823]         if (TRUE) {
[17:27:00.823]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:00.823]         }
[17:27:00.823]         else {
[17:27:00.823]             ...future.result["stdout"] <- base::list(NULL)
[17:27:00.823]         }
[17:27:00.823]         base::close(...future.stdout)
[17:27:00.823]         ...future.stdout <- NULL
[17:27:00.823]     }
[17:27:00.823]     ...future.result$conditions <- ...future.conditions
[17:27:00.823]     ...future.result$finished <- base::Sys.time()
[17:27:00.823]     ...future.result
[17:27:00.823] }
[17:27:00.828] Exporting 2 global objects (112 bytes) to cluster node #1 ...
[17:27:00.828] Exporting 'x' (0 bytes) to cluster node #1 ...
[17:27:00.829] Exporting 'x' (0 bytes) to cluster node #1 ... DONE
[17:27:00.829] Exporting 'name' (112 bytes) to cluster node #1 ...
[17:27:00.829] Exporting 'name' (112 bytes) to cluster node #1 ... DONE
[17:27:00.830] Exporting 2 global objects (112 bytes) to cluster node #1 ... DONE
[17:27:00.830] MultisessionFuture started
[17:27:00.830] - Launch lazy future ... done
[17:27:00.831] run() for 'MultisessionFuture' ... done
[17:27:00.831] result() for ClusterFuture ...
[17:27:00.831] receiveMessageFromWorker() for ClusterFuture ...
[17:27:00.831] - Validating connection of MultisessionFuture
[17:27:00.844] - received message: FutureResult
[17:27:00.844] - Received FutureResult
[17:27:00.844] - Erased future from FutureRegistry
[17:27:00.844] result() for ClusterFuture ...
[17:27:00.844] - result already collected: FutureResult
[17:27:00.844] result() for ClusterFuture ... done
[17:27:00.845] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:00.845] result() for ClusterFuture ... done
[17:27:00.845] result() for ClusterFuture ...
[17:27:00.845] - result already collected: FutureResult
[17:27:00.845] result() for ClusterFuture ... done
$a
[1] 1

Testing with 2 cores ... DONE
> 
> message("*** Globals - subassignments w/ x$a <- value ... DONE")
*** Globals - subassignments w/ x$a <- value ... DONE
> 
> message("*** Globals - subassignments ... DONE")
*** Globals - subassignments ... DONE
> 
> source("incl/end.R")
[17:27:00.846] plan(): Setting new future strategy stack:
[17:27:00.847] List of future strategies:
[17:27:00.847] 1. FutureStrategy:
[17:27:00.847]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:00.847]    - tweaked: FALSE
[17:27:00.847]    - call: future::plan(oplan)
[17:27:00.848] plan(): nbrOfWorkers() = 1
Failed to undo environment variables:
 - Expected environment variables: [n=204] '!ExitCode', 'ALLUSERSPROFILE', 'APPDATA', 'BIBINPUTS', 'BINDIR', 'BSTINPUTS', 'COMMONPROGRAMFILES', 'COMPUTERNAME', 'COMSPEC', 'CURL_CA_BUNDLE', 'CYGWIN', 'CommonProgramFiles(x86)', 'CommonProgramW6432', 'DriverData', 'HOME', 'HOMEDRIVE', 'HOMEPATH', 'JAGS_ROOT', 'JAVA_HOME', 'LANGUAGE', 'LC_COLLATE', 'LC_MONETARY', 'LC_TIME', 'LOCALAPPDATA', 'LOGONSERVER', 'LS_HOME', 'LS_LICENSE_PATH', 'MAKE', 'MAKEFLAGS', 'MAKELEVEL', 'MFLAGS', 'MSMPI_BENCHMARKS', 'MSMPI_BIN', 'MSYS2_ENV_CONV_EXCL', 'NUMBER_OF_PROCESSORS', 'OCL', 'OMP_THREAD_LIMIT', 'OS', 'PATH', 'PATHEXT', 'PROCESSOR_ARCHITECTURE', 'PROCESSOR_IDENTIFIER', 'PROCESSOR_LEVEL', 'PROCESSOR_REVISION', 'PROGRAMFILES', 'PROMPT', 'PSModulePath', 'PUBLIC', 'PWD', 'ProgramData', 'ProgramFiles(x86)', 'ProgramW6432', 'RTOOLS43_HOME', 'RTOOLS44_HOME', 'R_ARCH', 'R_BROWSER', 'R_BZIPCMD', 'R_CMD', 'R_COMPILED_BY', 'R_CRAN_WEB', 'R_CUSTOM_TOOLS_PATH', 'R_CUSTOM_TOOLS_SOFT', 'R_DOC_DIR', 'R_ENVIRON_USER', 'R_GSCMD', 'R_GZIPCMD', 'R_HOME', 'R_INCLUDE_DIR', 'R_INSTALL_TAR', 'R_LIBS', 'R_LIBS_SITE', 'R_LIBS_USER', 'R_MAX_NUM_DLLS', 'R_OSTYPE', 'R_PAPERSIZE', 'R_PAPERSIZE_USER', 'R_PARALLELLY_MAKENODEPSOCK_AUTOKILL', 'R_PARALLELLY_MAKENODEPSOCK_CONNECTTIMEOUT', 'R_PARALLELLY_MAKENODEPSOCK_RSCRIPT_LABEL', 'R_PARALLELLY_MAKENODEPSOCK_SESSIONINFO_PKGS', 'R_PARALLELLY_MAKENODEPSOCK_TIMEOUT', 'R_PARALLELLY_RANDOM_PORTS', 'R_PARALLEL_PORT', 'R_RD4PDF', 'R_RTOOLS44_PATH', 'R_SCRIPT_LEGACY', 'R_SHARE_DIR', 'R_TESTS', 'R_UNZIPCMD', 'R_USER', 'R_VERSION', 'R_ZIPCMD', 'SED', 'SHLVL', 'SYSTEMDRIVE', 'SYSTEMROOT', 'TAR', 'TAR_OPTIONS', 'TEMP', 'TERM', 'TEXINPUTS', 'TMP', 'TMPDIR', 'USERDOMAIN', 'USERDOMAIN_ROAMINGPROFILE', 'USERNAME', 'USERPROFILE', 'WINDIR', '_', '_R_CHECK_AUTOCONF_', '_R_CHECK_BOGUS_RETURN_', '_R_CHECK_BROWSER_NONINTERACTIVE_', '_R_CHECK_BUILD_VIGNETTES_SEPARATELY_', '_R_CHECK_CODETOOLS_PROFILE_', '_R_CHECK_CODE_ASSIGN_TO_GLOBALENV_', '_R_CHECK_CODE_ATTACH_', '_R_CHECK_CODE_CLASS_IS_STRING_', '_R_CHECK_CODE_DATA_INTO_GLOBALENV_', '_R_CHECK_CODE_USAGE_VIA_NAMESPACES_', '_R_CHECK_CODE_USAGE_WITHOUT_LOADING_', '_R_CHECK_CODE_USAGE_WITH_ONLY_BASE_ATTACHED_', '_R_CHECK_CODOC_VARIABLES_IN_USAGES_', '_R_CHECK_COMPACT_DATA2_', '_R_CHECK_COMPILATION_FLAGS_', '_R_CHECK_CONNECTIONS_LEFT_OPEN_', '_R_CHECK_CRAN_INCOMING_', '_R_CHECK_CRAN_INCOMING_CHECK_FILE_URIS_', '_R_CHECK_CRAN_INCOMING_CHECK_URLS_IN_PARALLEL_', '_R_CHECK_CRAN_INCOMING_NOTE_GNU_MAKE_', '_R_CHECK_CRAN_INCOMING_REMOTE_', '_R_CHECK_CRAN_INCOMING_USE_ASPELL_', '_R_CHECK_DATALIST_', '_R_CHECK_DEPRECATED_DEFUNCT_', '_R_CHECK_DOC_SIZES2_', '_R_CHECK_DOT_FIRSTLIB_', '_R_CHECK_DOT_INTERNAL_', '_R_CHECK_EXAMPLE_TIMING_THRESHOLD_', '_R_CHECK_EXECUTABLES_', '_R_CHECK_EXECUTABLES_EXCLUSIONS_', '_R_CHECK_FF_CALLS_', '_R_CHECK_FF_DUP_', '_R_CHECK_FORCE_SUGGESTS_', '_R_CHECK_FUTURE_FILE_TIMESTAMPS_', '_R_CHECK_FUTURE_FILE_TIMESTAMPS_LEEWAY_', '_R_CHECK_HAVE_MYSQL_', '_R_CHECK_HAVE_ODBC_', '_R_CHECK_HAVE_PERL_', '_R_CHECK_HAVE_POSTGRES_', '_R_CHECK_INSTALL_DEPENDS_', '_R_CHECK_INTERNALS2_', '_R_CHECK_LENGTH_1_CONDITION_', '_R_CHECK_LICENSE_', '_R_CHECK_LIMIT_CORES_', '_R_CHECK_MATRIX_DATA_', '_R_CHECK_MBCS_CONVERSION_FAILURE_', '_R_CHECK_NATIVE_ROUTINE_REGISTRATION_', '_R_CHECK_NEWS_IN_PLAIN_TEXT_', '_R_CHECK_NO_RECOMMENDED_', '_R_CHECK_NO_STOP_ON_TEST_ERROR_', '_R_CHECK_ORPHANED_', '_R_CHECK_OVERWRITE_REGISTERED_S3_METHODS_', '_R_CHECK_PACKAGES_USED_IGNORE_UNUSED_IMPORTS_', '_R_CHECK_PACKAGES_USED_IN_TESTS_USE_SUBDIRS_', '_R_CHECK_PACKAGE_DATASETS_SUPPRESS_NOTES_', '_R_CHECK_PACKAGE_NAME_', '_R_CHECK_PKG_SIZES_', '_R_CHECK_PKG_SIZES_THRESHOLD_', '_R_CHECK_PRAGMAS_', '_R_CHECK_RD_EXAMPLES_T_AND_F_', '_R_CHECK_RD_LINE_WIDTHS_', '_R_CHECK_RD_MATH_RENDERING_', '_R_CHECK_RD_NOTE_LOST_BRACES_', '_R_CHECK_RD_VALIDATE_RD2HTML_', '_R_CHECK_REPLACING_IMPORTS_', '_R_CHECK_R_DEPENDS_', '_R_CHECK_S3_METHODS_SHOW_POSSIBLE_ISSUES_', '_R_CHECK_SCREEN_DEVICE_', '_R_CHECK_SERIALIZATION_', '_R_CHECK_SHLIB_OPENMP_FLAGS_', '_R_CHECK_SRC_MINUS_W_IMPLICIT_', '_R_CHECK_SUBDIRS_NOCASE_', '_R_CHECK_SUGGESTS_ONLY_', '_R_CHECK_SYSTEM_CLOCK_', '_R_CHECK_TESTS_NLINES_', '_R_CHECK_TEST_TIMING_', '_R_CHECK_TIMINGS_', '_R_CHECK_TOPLEVEL_FILES_', '_R_CHECK_UNDOC_USE_ALL_NAMES_', '_R_CHECK_UNSAFE_CALLS_', '_R_CHECK_URLS_SHOW_301_STATUS_', '_R_CHECK_VC_DIRS_', '_R_CHECK_VIGNETTES_NLINES_', '_R_CHECK_VIGNETTES_SKIP_RUN_MAYBE_', '_R_CHECK_VIGNETTE_TIMING_', '_R_CHECK_VIGNETTE_TITLES_', '_R_CHECK_WINDOWS_DEVICE_', '_R_CHECK_XREFS_USE_ALIASES_FROM_CRAN_', '_R_CLASS_MATRIX_ARRAY_', '_R_DEPRECATED_IS_R_', '_R_S3_METHOD_LOOKUP_BASEENV_AFTER_GLOBALENV_', '_R_SHLIB_BUILD_OBJECTS_SYMBOL_TABLES_', '__R_CHECK_DOC_FILES_NOTE_IF_ALL_SPECIAL__', 'maj.version', 'nextArg--timingsnextArg--install'
 - Environment variables still there: [n=0] 
 - Environment variables missing: [n=1] 'MAKEFLAGS'
Differences environment variable by environment variable:
List of 3
 $ name    : chr "MAKEFLAGS"
 $ expected: 'Dlist' chr ""
 $ actual  : 'Dlist' chr NA
> 
> proc.time()
   user  system elapsed 
   1.15    0.06    2.04