R Under development (unstable) (2024-07-28 r86931 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")
[17:27:19.091] plan(): Setting new future strategy stack:
[17:27:19.093] List of future strategies:
[17:27:19.093] 1. sequential:
[17:27:19.093]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.093]    - tweaked: FALSE
[17:27:19.093]    - call: future::plan("sequential")
[17:27:19.119] plan(): nbrOfWorkers() = 1
> 
> message("*** futureAssign() ...")
*** futureAssign() ...
> 
> message("*** futureAssign() - sequential w/ lazy evaluation ...")
*** futureAssign() - sequential w/ lazy evaluation ...
> 
> delayedAssign("a", {
+   cat("Delayed assignment evaluated\n")
+   1
+ })
> 
> futureAssign("b", {
+   cat("Future assignment evaluated\n")
+   2
+ }, lazy = TRUE)
[17:27:19.131] getGlobalsAndPackages() ...
[17:27:19.132] Searching for globals...
[17:27:19.143] - globals found: [2] '{', 'cat'
[17:27:19.143] Searching for globals ... DONE
[17:27:19.143] Resolving globals: FALSE
[17:27:19.144] 
[17:27:19.145] 
[17:27:19.145] getGlobalsAndPackages() ... DONE
> 
> ## Because "lazy future" is used, the expression/value
> ## for 'b' will not be resolved at the point.  For other
> ## types of futures, it may already have been resolved
> cat(sprintf("b = %s\n", b))
[17:27:19.147] run() for 'Future' ...
[17:27:19.147] - state: 'created'
[17:27:19.148] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:27:19.148] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:27:19.149] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:27:19.149]   - Field: 'label'
[17:27:19.149]   - Field: 'local'
[17:27:19.150]   - Field: 'owner'
[17:27:19.150]   - Field: 'envir'
[17:27:19.150]   - Field: 'packages'
[17:27:19.150]   - Field: 'gc'
[17:27:19.151]   - Field: 'conditions'
[17:27:19.151]   - Field: 'expr'
[17:27:19.151]   - Field: 'uuid'
[17:27:19.152]   - Field: 'seed'
[17:27:19.152]   - Field: 'version'
[17:27:19.152]   - Field: 'result'
[17:27:19.153]   - Field: 'asynchronous'
[17:27:19.153]   - Field: 'calls'
[17:27:19.153]   - Field: 'globals'
[17:27:19.153]   - Field: 'stdout'
[17:27:19.154]   - Field: 'earlySignal'
[17:27:19.154]   - Field: 'lazy'
[17:27:19.154]   - Field: 'state'
[17:27:19.155] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:27:19.155] - Launch lazy future ...
[17:27:19.160] Packages needed by the future expression (n = 0): <none>
[17:27:19.160] Packages needed by future strategies (n = 0): <none>
[17:27:19.162] {
[17:27:19.162]     {
[17:27:19.162]         {
[17:27:19.162]             ...future.startTime <- base::Sys.time()
[17:27:19.162]             {
[17:27:19.162]                 {
[17:27:19.162]                   {
[17:27:19.162]                     base::local({
[17:27:19.162]                       has_future <- base::requireNamespace("future", 
[17:27:19.162]                         quietly = TRUE)
[17:27:19.162]                       if (has_future) {
[17:27:19.162]                         ns <- base::getNamespace("future")
[17:27:19.162]                         version <- ns[[".package"]][["version"]]
[17:27:19.162]                         if (is.null(version)) 
[17:27:19.162]                           version <- utils::packageVersion("future")
[17:27:19.162]                       }
[17:27:19.162]                       else {
[17:27:19.162]                         version <- NULL
[17:27:19.162]                       }
[17:27:19.162]                       if (!has_future || version < "1.8.0") {
[17:27:19.162]                         info <- base::c(r_version = base::gsub("R version ", 
[17:27:19.162]                           "", base::R.version$version.string), 
[17:27:19.162]                           platform = base::sprintf("%s (%s-bit)", 
[17:27:19.162]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:19.162]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:19.162]                             "release", "version")], collapse = " "), 
[17:27:19.162]                           hostname = base::Sys.info()[["nodename"]])
[17:27:19.162]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:27:19.162]                           info)
[17:27:19.162]                         info <- base::paste(info, collapse = "; ")
[17:27:19.162]                         if (!has_future) {
[17:27:19.162]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:19.162]                             info)
[17:27:19.162]                         }
[17:27:19.162]                         else {
[17:27:19.162]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:19.162]                             info, version)
[17:27:19.162]                         }
[17:27:19.162]                         base::stop(msg)
[17:27:19.162]                       }
[17:27:19.162]                     })
[17:27:19.162]                   }
[17:27:19.162]                   ...future.strategy.old <- future::plan("list")
[17:27:19.162]                   options(future.plan = NULL)
[17:27:19.162]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.162]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:19.162]                 }
[17:27:19.162]                 ...future.workdir <- getwd()
[17:27:19.162]             }
[17:27:19.162]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:19.162]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:19.162]         }
[17:27:19.162]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:19.162]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:19.162]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:19.162]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:19.162]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:19.162]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:19.162]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:19.162]             base::names(...future.oldOptions))
[17:27:19.162]     }
[17:27:19.162]     if (FALSE) {
[17:27:19.162]     }
[17:27:19.162]     else {
[17:27:19.162]         if (TRUE) {
[17:27:19.162]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:19.162]                 open = "w")
[17:27:19.162]         }
[17:27:19.162]         else {
[17:27:19.162]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:19.162]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:19.162]         }
[17:27:19.162]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:19.162]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:19.162]             base::sink(type = "output", split = FALSE)
[17:27:19.162]             base::close(...future.stdout)
[17:27:19.162]         }, add = TRUE)
[17:27:19.162]     }
[17:27:19.162]     ...future.frame <- base::sys.nframe()
[17:27:19.162]     ...future.conditions <- base::list()
[17:27:19.162]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:19.162]     if (FALSE) {
[17:27:19.162]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:19.162]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:19.162]     }
[17:27:19.162]     ...future.result <- base::tryCatch({
[17:27:19.162]         base::withCallingHandlers({
[17:27:19.162]             ...future.value <- base::withVisible(base::local({
[17:27:19.162]                 cat("Future assignment evaluated\n")
[17:27:19.162]                 2
[17:27:19.162]             }))
[17:27:19.162]             future::FutureResult(value = ...future.value$value, 
[17:27:19.162]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.162]                   ...future.rng), globalenv = if (FALSE) 
[17:27:19.162]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:19.162]                     ...future.globalenv.names))
[17:27:19.162]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:19.162]         }, condition = base::local({
[17:27:19.162]             c <- base::c
[17:27:19.162]             inherits <- base::inherits
[17:27:19.162]             invokeRestart <- base::invokeRestart
[17:27:19.162]             length <- base::length
[17:27:19.162]             list <- base::list
[17:27:19.162]             seq.int <- base::seq.int
[17:27:19.162]             signalCondition <- base::signalCondition
[17:27:19.162]             sys.calls <- base::sys.calls
[17:27:19.162]             `[[` <- base::`[[`
[17:27:19.162]             `+` <- base::`+`
[17:27:19.162]             `<<-` <- base::`<<-`
[17:27:19.162]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:19.162]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:19.162]                   3L)]
[17:27:19.162]             }
[17:27:19.162]             function(cond) {
[17:27:19.162]                 is_error <- inherits(cond, "error")
[17:27:19.162]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:19.162]                   NULL)
[17:27:19.162]                 if (is_error) {
[17:27:19.162]                   sessionInformation <- function() {
[17:27:19.162]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:19.162]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:19.162]                       search = base::search(), system = base::Sys.info())
[17:27:19.162]                   }
[17:27:19.162]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.162]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:19.162]                     cond$call), session = sessionInformation(), 
[17:27:19.162]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:19.162]                   signalCondition(cond)
[17:27:19.162]                 }
[17:27:19.162]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:19.162]                 "immediateCondition"))) {
[17:27:19.162]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:19.162]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.162]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:19.162]                   if (TRUE && !signal) {
[17:27:19.162]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.162]                     {
[17:27:19.162]                       inherits <- base::inherits
[17:27:19.162]                       invokeRestart <- base::invokeRestart
[17:27:19.162]                       is.null <- base::is.null
[17:27:19.162]                       muffled <- FALSE
[17:27:19.162]                       if (inherits(cond, "message")) {
[17:27:19.162]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.162]                         if (muffled) 
[17:27:19.162]                           invokeRestart("muffleMessage")
[17:27:19.162]                       }
[17:27:19.162]                       else if (inherits(cond, "warning")) {
[17:27:19.162]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.162]                         if (muffled) 
[17:27:19.162]                           invokeRestart("muffleWarning")
[17:27:19.162]                       }
[17:27:19.162]                       else if (inherits(cond, "condition")) {
[17:27:19.162]                         if (!is.null(pattern)) {
[17:27:19.162]                           computeRestarts <- base::computeRestarts
[17:27:19.162]                           grepl <- base::grepl
[17:27:19.162]                           restarts <- computeRestarts(cond)
[17:27:19.162]                           for (restart in restarts) {
[17:27:19.162]                             name <- restart$name
[17:27:19.162]                             if (is.null(name)) 
[17:27:19.162]                               next
[17:27:19.162]                             if (!grepl(pattern, name)) 
[17:27:19.162]                               next
[17:27:19.162]                             invokeRestart(restart)
[17:27:19.162]                             muffled <- TRUE
[17:27:19.162]                             break
[17:27:19.162]                           }
[17:27:19.162]                         }
[17:27:19.162]                       }
[17:27:19.162]                       invisible(muffled)
[17:27:19.162]                     }
[17:27:19.162]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.162]                   }
[17:27:19.162]                 }
[17:27:19.162]                 else {
[17:27:19.162]                   if (TRUE) {
[17:27:19.162]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.162]                     {
[17:27:19.162]                       inherits <- base::inherits
[17:27:19.162]                       invokeRestart <- base::invokeRestart
[17:27:19.162]                       is.null <- base::is.null
[17:27:19.162]                       muffled <- FALSE
[17:27:19.162]                       if (inherits(cond, "message")) {
[17:27:19.162]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.162]                         if (muffled) 
[17:27:19.162]                           invokeRestart("muffleMessage")
[17:27:19.162]                       }
[17:27:19.162]                       else if (inherits(cond, "warning")) {
[17:27:19.162]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.162]                         if (muffled) 
[17:27:19.162]                           invokeRestart("muffleWarning")
[17:27:19.162]                       }
[17:27:19.162]                       else if (inherits(cond, "condition")) {
[17:27:19.162]                         if (!is.null(pattern)) {
[17:27:19.162]                           computeRestarts <- base::computeRestarts
[17:27:19.162]                           grepl <- base::grepl
[17:27:19.162]                           restarts <- computeRestarts(cond)
[17:27:19.162]                           for (restart in restarts) {
[17:27:19.162]                             name <- restart$name
[17:27:19.162]                             if (is.null(name)) 
[17:27:19.162]                               next
[17:27:19.162]                             if (!grepl(pattern, name)) 
[17:27:19.162]                               next
[17:27:19.162]                             invokeRestart(restart)
[17:27:19.162]                             muffled <- TRUE
[17:27:19.162]                             break
[17:27:19.162]                           }
[17:27:19.162]                         }
[17:27:19.162]                       }
[17:27:19.162]                       invisible(muffled)
[17:27:19.162]                     }
[17:27:19.162]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.162]                   }
[17:27:19.162]                 }
[17:27:19.162]             }
[17:27:19.162]         }))
[17:27:19.162]     }, error = function(ex) {
[17:27:19.162]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:19.162]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.162]                 ...future.rng), started = ...future.startTime, 
[17:27:19.162]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:19.162]             version = "1.8"), class = "FutureResult")
[17:27:19.162]     }, finally = {
[17:27:19.162]         if (!identical(...future.workdir, getwd())) 
[17:27:19.162]             setwd(...future.workdir)
[17:27:19.162]         {
[17:27:19.162]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:19.162]                 ...future.oldOptions$nwarnings <- NULL
[17:27:19.162]             }
[17:27:19.162]             base::options(...future.oldOptions)
[17:27:19.162]             if (.Platform$OS.type == "windows") {
[17:27:19.162]                 old_names <- names(...future.oldEnvVars)
[17:27:19.162]                 envs <- base::Sys.getenv()
[17:27:19.162]                 names <- names(envs)
[17:27:19.162]                 common <- intersect(names, old_names)
[17:27:19.162]                 added <- setdiff(names, old_names)
[17:27:19.162]                 removed <- setdiff(old_names, names)
[17:27:19.162]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:19.162]                   envs[common]]
[17:27:19.162]                 NAMES <- toupper(changed)
[17:27:19.162]                 args <- list()
[17:27:19.162]                 for (kk in seq_along(NAMES)) {
[17:27:19.162]                   name <- changed[[kk]]
[17:27:19.162]                   NAME <- NAMES[[kk]]
[17:27:19.162]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.162]                     next
[17:27:19.162]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.162]                 }
[17:27:19.162]                 NAMES <- toupper(added)
[17:27:19.162]                 for (kk in seq_along(NAMES)) {
[17:27:19.162]                   name <- added[[kk]]
[17:27:19.162]                   NAME <- NAMES[[kk]]
[17:27:19.162]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.162]                     next
[17:27:19.162]                   args[[name]] <- ""
[17:27:19.162]                 }
[17:27:19.162]                 NAMES <- toupper(removed)
[17:27:19.162]                 for (kk in seq_along(NAMES)) {
[17:27:19.162]                   name <- removed[[kk]]
[17:27:19.162]                   NAME <- NAMES[[kk]]
[17:27:19.162]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.162]                     next
[17:27:19.162]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.162]                 }
[17:27:19.162]                 if (length(args) > 0) 
[17:27:19.162]                   base::do.call(base::Sys.setenv, args = args)
[17:27:19.162]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:19.162]             }
[17:27:19.162]             else {
[17:27:19.162]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:19.162]             }
[17:27:19.162]             {
[17:27:19.162]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:19.162]                   0L) {
[17:27:19.162]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:19.162]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:19.162]                   base::options(opts)
[17:27:19.162]                 }
[17:27:19.162]                 {
[17:27:19.162]                   {
[17:27:19.162]                     NULL
[17:27:19.162]                     RNGkind("Mersenne-Twister")
[17:27:19.162]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:27:19.162]                       inherits = FALSE)
[17:27:19.162]                   }
[17:27:19.162]                   options(future.plan = NULL)
[17:27:19.162]                   if (is.na(NA_character_)) 
[17:27:19.162]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.162]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:19.162]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:19.162]                     .init = FALSE)
[17:27:19.162]                 }
[17:27:19.162]             }
[17:27:19.162]         }
[17:27:19.162]     })
[17:27:19.162]     if (TRUE) {
[17:27:19.162]         base::sink(type = "output", split = FALSE)
[17:27:19.162]         if (TRUE) {
[17:27:19.162]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:19.162]         }
[17:27:19.162]         else {
[17:27:19.162]             ...future.result["stdout"] <- base::list(NULL)
[17:27:19.162]         }
[17:27:19.162]         base::close(...future.stdout)
[17:27:19.162]         ...future.stdout <- NULL
[17:27:19.162]     }
[17:27:19.162]     ...future.result$conditions <- ...future.conditions
[17:27:19.162]     ...future.result$finished <- base::Sys.time()
[17:27:19.162]     ...future.result
[17:27:19.162] }
[17:27:19.168] plan(): Setting new future strategy stack:
[17:27:19.168] List of future strategies:
[17:27:19.168] 1. sequential:
[17:27:19.168]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.168]    - tweaked: FALSE
[17:27:19.168]    - call: NULL
[17:27:19.169] plan(): nbrOfWorkers() = 1
[17:27:19.173] plan(): Setting new future strategy stack:
[17:27:19.173] List of future strategies:
[17:27:19.173] 1. sequential:
[17:27:19.173]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.173]    - tweaked: FALSE
[17:27:19.173]    - call: future::plan("sequential")
[17:27:19.174] plan(): nbrOfWorkers() = 1
[17:27:19.174] SequentialFuture started (and completed)
[17:27:19.175] - Launch lazy future ... done
[17:27:19.175] run() for 'SequentialFuture' ... done
Future assignment evaluated
b = 2
> 
> ## The expression/value of 'a' is resolved at this point,
> ## because a delayed assignment (promise) was used.
> cat(sprintf("a = %s\n", a))
Delayed assignment evaluated
a = 1
> 
> stopifnot(identical(a, 1))
> stopifnot(identical(b, 2))
> 
> message("*** futureAssign() - sequential w/ lazy evaluation ... DONE")
*** futureAssign() - sequential w/ lazy evaluation ... DONE
> 
> 
> message("*** futureAssign() - lazy = TRUE / FALSE ...")
*** futureAssign() - lazy = TRUE / FALSE ...
> 
> 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)
+ 
+   for (strategy in supportedStrategies(cores)) {
+     message(sprintf("*** futureAssign() with %s futures ...", sQuote(strategy)))
+     plan(strategy)
+ 
+     ## Potential task name clashes
+     u <- new.env()
+     v <- new.env()
+     futureAssign("a", { 2 }, assign.env = u)
+     futureAssign("a", { 4 }, assign.env = v)
+     
+     cat(sprintf("u$a = %s\n", u$a))
+     cat(sprintf("v$a = %s\n", v$a))
+     
+     stopifnot(identical(u$a, 2))
+     stopifnot(identical(v$a, 4))
+     
+     
+     ## Global variables
+     a <- 1
+     futureAssign("b", { 2 * a })
+     a <- 2
+     stopifnot(b == 2)
+ 
+     ## Explicit lazy evaluation
+     for (lazy in c(FALSE, TRUE)) {
+       a <- 1
+       f <- futureAssign("b", { 2 * a }, lazy = lazy)
+       a <- 2
+       stopifnot(b == 2)
+       stopifnot(f$lazy == lazy || (strategy %in% c("multisession", "multicore") && cores == 1L))
+       
+       ## Set 'lazy' via disposable option
+       options(future.disposable = list(lazy = lazy))
+       a <- 1
+       f <- futureAssign("b", { 2 * a })
+       a <- 2
+       stopifnot(b == 2)
+       stopifnot(f$lazy == lazy || (strategy %in% c("multisession", "multicore") && cores == 1L))
+     }
+ 
+     message(sprintf("*** futureAssign() with %s futures ... DONE", sQuote(strategy)))
+   } # for (strategy in ...)
+ 
+   message(sprintf("Testing with %d cores ... DONE", cores))
+ } ## for (cores ...)
Testing with 1 cores ...
*** futureAssign() with 'sequential' futures ...
[17:27:19.212] plan(): Setting new future strategy stack:
[17:27:19.212] List of future strategies:
[17:27:19.212] 1. sequential:
[17:27:19.212]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.212]    - tweaked: FALSE
[17:27:19.212]    - call: plan(strategy)
[17:27:19.234] plan(): nbrOfWorkers() = 1
[17:27:19.235] getGlobalsAndPackages() ...
[17:27:19.235] Searching for globals...
[17:27:19.237] - globals found: [1] '{'
[17:27:19.238] Searching for globals ... DONE
[17:27:19.238] Resolving globals: FALSE
[17:27:19.239] 
[17:27:19.239] 
[17:27:19.240] getGlobalsAndPackages() ... DONE
[17:27:19.240] run() for 'Future' ...
[17:27:19.241] - state: 'created'
[17:27:19.241] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:27:19.242] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:27:19.242] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:27:19.242]   - Field: 'label'
[17:27:19.243]   - Field: 'local'
[17:27:19.243]   - Field: 'owner'
[17:27:19.243]   - Field: 'envir'
[17:27:19.244]   - Field: 'packages'
[17:27:19.244]   - Field: 'gc'
[17:27:19.244]   - Field: 'conditions'
[17:27:19.244]   - Field: 'expr'
[17:27:19.245]   - Field: 'uuid'
[17:27:19.245]   - Field: 'seed'
[17:27:19.245]   - Field: 'version'
[17:27:19.246]   - Field: 'result'
[17:27:19.246]   - Field: 'asynchronous'
[17:27:19.246]   - Field: 'calls'
[17:27:19.246]   - Field: 'globals'
[17:27:19.247]   - Field: 'stdout'
[17:27:19.247]   - Field: 'earlySignal'
[17:27:19.247]   - Field: 'lazy'
[17:27:19.248]   - Field: 'state'
[17:27:19.248] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:27:19.248] - Launch lazy future ...
[17:27:19.249] Packages needed by the future expression (n = 0): <none>
[17:27:19.249] Packages needed by future strategies (n = 0): <none>
[17:27:19.250] {
[17:27:19.250]     {
[17:27:19.250]         {
[17:27:19.250]             ...future.startTime <- base::Sys.time()
[17:27:19.250]             {
[17:27:19.250]                 {
[17:27:19.250]                   {
[17:27:19.250]                     base::local({
[17:27:19.250]                       has_future <- base::requireNamespace("future", 
[17:27:19.250]                         quietly = TRUE)
[17:27:19.250]                       if (has_future) {
[17:27:19.250]                         ns <- base::getNamespace("future")
[17:27:19.250]                         version <- ns[[".package"]][["version"]]
[17:27:19.250]                         if (is.null(version)) 
[17:27:19.250]                           version <- utils::packageVersion("future")
[17:27:19.250]                       }
[17:27:19.250]                       else {
[17:27:19.250]                         version <- NULL
[17:27:19.250]                       }
[17:27:19.250]                       if (!has_future || version < "1.8.0") {
[17:27:19.250]                         info <- base::c(r_version = base::gsub("R version ", 
[17:27:19.250]                           "", base::R.version$version.string), 
[17:27:19.250]                           platform = base::sprintf("%s (%s-bit)", 
[17:27:19.250]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:19.250]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:19.250]                             "release", "version")], collapse = " "), 
[17:27:19.250]                           hostname = base::Sys.info()[["nodename"]])
[17:27:19.250]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:27:19.250]                           info)
[17:27:19.250]                         info <- base::paste(info, collapse = "; ")
[17:27:19.250]                         if (!has_future) {
[17:27:19.250]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:19.250]                             info)
[17:27:19.250]                         }
[17:27:19.250]                         else {
[17:27:19.250]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:19.250]                             info, version)
[17:27:19.250]                         }
[17:27:19.250]                         base::stop(msg)
[17:27:19.250]                       }
[17:27:19.250]                     })
[17:27:19.250]                   }
[17:27:19.250]                   ...future.strategy.old <- future::plan("list")
[17:27:19.250]                   options(future.plan = NULL)
[17:27:19.250]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.250]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:19.250]                 }
[17:27:19.250]                 ...future.workdir <- getwd()
[17:27:19.250]             }
[17:27:19.250]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:19.250]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:19.250]         }
[17:27:19.250]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:19.250]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:19.250]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:19.250]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:19.250]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:19.250]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:19.250]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:19.250]             base::names(...future.oldOptions))
[17:27:19.250]     }
[17:27:19.250]     if (FALSE) {
[17:27:19.250]     }
[17:27:19.250]     else {
[17:27:19.250]         if (TRUE) {
[17:27:19.250]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:19.250]                 open = "w")
[17:27:19.250]         }
[17:27:19.250]         else {
[17:27:19.250]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:19.250]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:19.250]         }
[17:27:19.250]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:19.250]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:19.250]             base::sink(type = "output", split = FALSE)
[17:27:19.250]             base::close(...future.stdout)
[17:27:19.250]         }, add = TRUE)
[17:27:19.250]     }
[17:27:19.250]     ...future.frame <- base::sys.nframe()
[17:27:19.250]     ...future.conditions <- base::list()
[17:27:19.250]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:19.250]     if (FALSE) {
[17:27:19.250]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:19.250]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:19.250]     }
[17:27:19.250]     ...future.result <- base::tryCatch({
[17:27:19.250]         base::withCallingHandlers({
[17:27:19.250]             ...future.value <- base::withVisible(base::local({
[17:27:19.250]                 2
[17:27:19.250]             }))
[17:27:19.250]             future::FutureResult(value = ...future.value$value, 
[17:27:19.250]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.250]                   ...future.rng), globalenv = if (FALSE) 
[17:27:19.250]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:19.250]                     ...future.globalenv.names))
[17:27:19.250]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:19.250]         }, condition = base::local({
[17:27:19.250]             c <- base::c
[17:27:19.250]             inherits <- base::inherits
[17:27:19.250]             invokeRestart <- base::invokeRestart
[17:27:19.250]             length <- base::length
[17:27:19.250]             list <- base::list
[17:27:19.250]             seq.int <- base::seq.int
[17:27:19.250]             signalCondition <- base::signalCondition
[17:27:19.250]             sys.calls <- base::sys.calls
[17:27:19.250]             `[[` <- base::`[[`
[17:27:19.250]             `+` <- base::`+`
[17:27:19.250]             `<<-` <- base::`<<-`
[17:27:19.250]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:19.250]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:19.250]                   3L)]
[17:27:19.250]             }
[17:27:19.250]             function(cond) {
[17:27:19.250]                 is_error <- inherits(cond, "error")
[17:27:19.250]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:19.250]                   NULL)
[17:27:19.250]                 if (is_error) {
[17:27:19.250]                   sessionInformation <- function() {
[17:27:19.250]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:19.250]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:19.250]                       search = base::search(), system = base::Sys.info())
[17:27:19.250]                   }
[17:27:19.250]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.250]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:19.250]                     cond$call), session = sessionInformation(), 
[17:27:19.250]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:19.250]                   signalCondition(cond)
[17:27:19.250]                 }
[17:27:19.250]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:19.250]                 "immediateCondition"))) {
[17:27:19.250]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:19.250]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.250]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:19.250]                   if (TRUE && !signal) {
[17:27:19.250]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.250]                     {
[17:27:19.250]                       inherits <- base::inherits
[17:27:19.250]                       invokeRestart <- base::invokeRestart
[17:27:19.250]                       is.null <- base::is.null
[17:27:19.250]                       muffled <- FALSE
[17:27:19.250]                       if (inherits(cond, "message")) {
[17:27:19.250]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.250]                         if (muffled) 
[17:27:19.250]                           invokeRestart("muffleMessage")
[17:27:19.250]                       }
[17:27:19.250]                       else if (inherits(cond, "warning")) {
[17:27:19.250]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.250]                         if (muffled) 
[17:27:19.250]                           invokeRestart("muffleWarning")
[17:27:19.250]                       }
[17:27:19.250]                       else if (inherits(cond, "condition")) {
[17:27:19.250]                         if (!is.null(pattern)) {
[17:27:19.250]                           computeRestarts <- base::computeRestarts
[17:27:19.250]                           grepl <- base::grepl
[17:27:19.250]                           restarts <- computeRestarts(cond)
[17:27:19.250]                           for (restart in restarts) {
[17:27:19.250]                             name <- restart$name
[17:27:19.250]                             if (is.null(name)) 
[17:27:19.250]                               next
[17:27:19.250]                             if (!grepl(pattern, name)) 
[17:27:19.250]                               next
[17:27:19.250]                             invokeRestart(restart)
[17:27:19.250]                             muffled <- TRUE
[17:27:19.250]                             break
[17:27:19.250]                           }
[17:27:19.250]                         }
[17:27:19.250]                       }
[17:27:19.250]                       invisible(muffled)
[17:27:19.250]                     }
[17:27:19.250]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.250]                   }
[17:27:19.250]                 }
[17:27:19.250]                 else {
[17:27:19.250]                   if (TRUE) {
[17:27:19.250]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.250]                     {
[17:27:19.250]                       inherits <- base::inherits
[17:27:19.250]                       invokeRestart <- base::invokeRestart
[17:27:19.250]                       is.null <- base::is.null
[17:27:19.250]                       muffled <- FALSE
[17:27:19.250]                       if (inherits(cond, "message")) {
[17:27:19.250]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.250]                         if (muffled) 
[17:27:19.250]                           invokeRestart("muffleMessage")
[17:27:19.250]                       }
[17:27:19.250]                       else if (inherits(cond, "warning")) {
[17:27:19.250]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.250]                         if (muffled) 
[17:27:19.250]                           invokeRestart("muffleWarning")
[17:27:19.250]                       }
[17:27:19.250]                       else if (inherits(cond, "condition")) {
[17:27:19.250]                         if (!is.null(pattern)) {
[17:27:19.250]                           computeRestarts <- base::computeRestarts
[17:27:19.250]                           grepl <- base::grepl
[17:27:19.250]                           restarts <- computeRestarts(cond)
[17:27:19.250]                           for (restart in restarts) {
[17:27:19.250]                             name <- restart$name
[17:27:19.250]                             if (is.null(name)) 
[17:27:19.250]                               next
[17:27:19.250]                             if (!grepl(pattern, name)) 
[17:27:19.250]                               next
[17:27:19.250]                             invokeRestart(restart)
[17:27:19.250]                             muffled <- TRUE
[17:27:19.250]                             break
[17:27:19.250]                           }
[17:27:19.250]                         }
[17:27:19.250]                       }
[17:27:19.250]                       invisible(muffled)
[17:27:19.250]                     }
[17:27:19.250]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.250]                   }
[17:27:19.250]                 }
[17:27:19.250]             }
[17:27:19.250]         }))
[17:27:19.250]     }, error = function(ex) {
[17:27:19.250]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:19.250]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.250]                 ...future.rng), started = ...future.startTime, 
[17:27:19.250]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:19.250]             version = "1.8"), class = "FutureResult")
[17:27:19.250]     }, finally = {
[17:27:19.250]         if (!identical(...future.workdir, getwd())) 
[17:27:19.250]             setwd(...future.workdir)
[17:27:19.250]         {
[17:27:19.250]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:19.250]                 ...future.oldOptions$nwarnings <- NULL
[17:27:19.250]             }
[17:27:19.250]             base::options(...future.oldOptions)
[17:27:19.250]             if (.Platform$OS.type == "windows") {
[17:27:19.250]                 old_names <- names(...future.oldEnvVars)
[17:27:19.250]                 envs <- base::Sys.getenv()
[17:27:19.250]                 names <- names(envs)
[17:27:19.250]                 common <- intersect(names, old_names)
[17:27:19.250]                 added <- setdiff(names, old_names)
[17:27:19.250]                 removed <- setdiff(old_names, names)
[17:27:19.250]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:19.250]                   envs[common]]
[17:27:19.250]                 NAMES <- toupper(changed)
[17:27:19.250]                 args <- list()
[17:27:19.250]                 for (kk in seq_along(NAMES)) {
[17:27:19.250]                   name <- changed[[kk]]
[17:27:19.250]                   NAME <- NAMES[[kk]]
[17:27:19.250]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.250]                     next
[17:27:19.250]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.250]                 }
[17:27:19.250]                 NAMES <- toupper(added)
[17:27:19.250]                 for (kk in seq_along(NAMES)) {
[17:27:19.250]                   name <- added[[kk]]
[17:27:19.250]                   NAME <- NAMES[[kk]]
[17:27:19.250]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.250]                     next
[17:27:19.250]                   args[[name]] <- ""
[17:27:19.250]                 }
[17:27:19.250]                 NAMES <- toupper(removed)
[17:27:19.250]                 for (kk in seq_along(NAMES)) {
[17:27:19.250]                   name <- removed[[kk]]
[17:27:19.250]                   NAME <- NAMES[[kk]]
[17:27:19.250]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.250]                     next
[17:27:19.250]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.250]                 }
[17:27:19.250]                 if (length(args) > 0) 
[17:27:19.250]                   base::do.call(base::Sys.setenv, args = args)
[17:27:19.250]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:19.250]             }
[17:27:19.250]             else {
[17:27:19.250]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:19.250]             }
[17:27:19.250]             {
[17:27:19.250]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:19.250]                   0L) {
[17:27:19.250]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:19.250]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:19.250]                   base::options(opts)
[17:27:19.250]                 }
[17:27:19.250]                 {
[17:27:19.250]                   {
[17:27:19.250]                     NULL
[17:27:19.250]                     RNGkind("Mersenne-Twister")
[17:27:19.250]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:27:19.250]                       inherits = FALSE)
[17:27:19.250]                   }
[17:27:19.250]                   options(future.plan = NULL)
[17:27:19.250]                   if (is.na(NA_character_)) 
[17:27:19.250]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.250]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:19.250]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:19.250]                     .init = FALSE)
[17:27:19.250]                 }
[17:27:19.250]             }
[17:27:19.250]         }
[17:27:19.250]     })
[17:27:19.250]     if (TRUE) {
[17:27:19.250]         base::sink(type = "output", split = FALSE)
[17:27:19.250]         if (TRUE) {
[17:27:19.250]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:19.250]         }
[17:27:19.250]         else {
[17:27:19.250]             ...future.result["stdout"] <- base::list(NULL)
[17:27:19.250]         }
[17:27:19.250]         base::close(...future.stdout)
[17:27:19.250]         ...future.stdout <- NULL
[17:27:19.250]     }
[17:27:19.250]     ...future.result$conditions <- ...future.conditions
[17:27:19.250]     ...future.result$finished <- base::Sys.time()
[17:27:19.250]     ...future.result
[17:27:19.250] }
[17:27:19.257] plan(): Setting new future strategy stack:
[17:27:19.257] List of future strategies:
[17:27:19.257] 1. sequential:
[17:27:19.257]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.257]    - tweaked: FALSE
[17:27:19.257]    - call: NULL
[17:27:19.259] plan(): nbrOfWorkers() = 1
[17:27:19.261] plan(): Setting new future strategy stack:
[17:27:19.261] List of future strategies:
[17:27:19.261] 1. sequential:
[17:27:19.261]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.261]    - tweaked: FALSE
[17:27:19.261]    - call: plan(strategy)
[17:27:19.262] plan(): nbrOfWorkers() = 1
[17:27:19.263] SequentialFuture started (and completed)
[17:27:19.263] - Launch lazy future ... done
[17:27:19.263] run() for 'SequentialFuture' ... done
[17:27:19.264] getGlobalsAndPackages() ...
[17:27:19.264] Searching for globals...
[17:27:19.265] - globals found: [1] '{'
[17:27:19.266] Searching for globals ... DONE
[17:27:19.266] Resolving globals: FALSE
[17:27:19.267] 
[17:27:19.267] 
[17:27:19.267] getGlobalsAndPackages() ... DONE
[17:27:19.268] run() for 'Future' ...
[17:27:19.268] - state: 'created'
[17:27:19.269] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:27:19.269] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:27:19.269] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:27:19.270]   - Field: 'label'
[17:27:19.270]   - Field: 'local'
[17:27:19.270]   - Field: 'owner'
[17:27:19.271]   - Field: 'envir'
[17:27:19.271]   - Field: 'packages'
[17:27:19.271]   - Field: 'gc'
[17:27:19.272]   - Field: 'conditions'
[17:27:19.272]   - Field: 'expr'
[17:27:19.272]   - Field: 'uuid'
[17:27:19.272]   - Field: 'seed'
[17:27:19.273]   - Field: 'version'
[17:27:19.273]   - Field: 'result'
[17:27:19.273]   - Field: 'asynchronous'
[17:27:19.274]   - Field: 'calls'
[17:27:19.274]   - Field: 'globals'
[17:27:19.274]   - Field: 'stdout'
[17:27:19.275]   - Field: 'earlySignal'
[17:27:19.275]   - Field: 'lazy'
[17:27:19.275]   - Field: 'state'
[17:27:19.275] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:27:19.276] - Launch lazy future ...
[17:27:19.276] Packages needed by the future expression (n = 0): <none>
[17:27:19.277] Packages needed by future strategies (n = 0): <none>
[17:27:19.278] {
[17:27:19.278]     {
[17:27:19.278]         {
[17:27:19.278]             ...future.startTime <- base::Sys.time()
[17:27:19.278]             {
[17:27:19.278]                 {
[17:27:19.278]                   {
[17:27:19.278]                     base::local({
[17:27:19.278]                       has_future <- base::requireNamespace("future", 
[17:27:19.278]                         quietly = TRUE)
[17:27:19.278]                       if (has_future) {
[17:27:19.278]                         ns <- base::getNamespace("future")
[17:27:19.278]                         version <- ns[[".package"]][["version"]]
[17:27:19.278]                         if (is.null(version)) 
[17:27:19.278]                           version <- utils::packageVersion("future")
[17:27:19.278]                       }
[17:27:19.278]                       else {
[17:27:19.278]                         version <- NULL
[17:27:19.278]                       }
[17:27:19.278]                       if (!has_future || version < "1.8.0") {
[17:27:19.278]                         info <- base::c(r_version = base::gsub("R version ", 
[17:27:19.278]                           "", base::R.version$version.string), 
[17:27:19.278]                           platform = base::sprintf("%s (%s-bit)", 
[17:27:19.278]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:19.278]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:19.278]                             "release", "version")], collapse = " "), 
[17:27:19.278]                           hostname = base::Sys.info()[["nodename"]])
[17:27:19.278]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:27:19.278]                           info)
[17:27:19.278]                         info <- base::paste(info, collapse = "; ")
[17:27:19.278]                         if (!has_future) {
[17:27:19.278]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:19.278]                             info)
[17:27:19.278]                         }
[17:27:19.278]                         else {
[17:27:19.278]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:19.278]                             info, version)
[17:27:19.278]                         }
[17:27:19.278]                         base::stop(msg)
[17:27:19.278]                       }
[17:27:19.278]                     })
[17:27:19.278]                   }
[17:27:19.278]                   ...future.strategy.old <- future::plan("list")
[17:27:19.278]                   options(future.plan = NULL)
[17:27:19.278]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.278]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:19.278]                 }
[17:27:19.278]                 ...future.workdir <- getwd()
[17:27:19.278]             }
[17:27:19.278]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:19.278]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:19.278]         }
[17:27:19.278]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:19.278]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:19.278]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:19.278]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:19.278]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:19.278]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:19.278]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:19.278]             base::names(...future.oldOptions))
[17:27:19.278]     }
[17:27:19.278]     if (FALSE) {
[17:27:19.278]     }
[17:27:19.278]     else {
[17:27:19.278]         if (TRUE) {
[17:27:19.278]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:19.278]                 open = "w")
[17:27:19.278]         }
[17:27:19.278]         else {
[17:27:19.278]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:19.278]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:19.278]         }
[17:27:19.278]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:19.278]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:19.278]             base::sink(type = "output", split = FALSE)
[17:27:19.278]             base::close(...future.stdout)
[17:27:19.278]         }, add = TRUE)
[17:27:19.278]     }
[17:27:19.278]     ...future.frame <- base::sys.nframe()
[17:27:19.278]     ...future.conditions <- base::list()
[17:27:19.278]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:19.278]     if (FALSE) {
[17:27:19.278]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:19.278]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:19.278]     }
[17:27:19.278]     ...future.result <- base::tryCatch({
[17:27:19.278]         base::withCallingHandlers({
[17:27:19.278]             ...future.value <- base::withVisible(base::local({
[17:27:19.278]                 4
[17:27:19.278]             }))
[17:27:19.278]             future::FutureResult(value = ...future.value$value, 
[17:27:19.278]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.278]                   ...future.rng), globalenv = if (FALSE) 
[17:27:19.278]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:19.278]                     ...future.globalenv.names))
[17:27:19.278]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:19.278]         }, condition = base::local({
[17:27:19.278]             c <- base::c
[17:27:19.278]             inherits <- base::inherits
[17:27:19.278]             invokeRestart <- base::invokeRestart
[17:27:19.278]             length <- base::length
[17:27:19.278]             list <- base::list
[17:27:19.278]             seq.int <- base::seq.int
[17:27:19.278]             signalCondition <- base::signalCondition
[17:27:19.278]             sys.calls <- base::sys.calls
[17:27:19.278]             `[[` <- base::`[[`
[17:27:19.278]             `+` <- base::`+`
[17:27:19.278]             `<<-` <- base::`<<-`
[17:27:19.278]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:19.278]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:19.278]                   3L)]
[17:27:19.278]             }
[17:27:19.278]             function(cond) {
[17:27:19.278]                 is_error <- inherits(cond, "error")
[17:27:19.278]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:19.278]                   NULL)
[17:27:19.278]                 if (is_error) {
[17:27:19.278]                   sessionInformation <- function() {
[17:27:19.278]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:19.278]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:19.278]                       search = base::search(), system = base::Sys.info())
[17:27:19.278]                   }
[17:27:19.278]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.278]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:19.278]                     cond$call), session = sessionInformation(), 
[17:27:19.278]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:19.278]                   signalCondition(cond)
[17:27:19.278]                 }
[17:27:19.278]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:19.278]                 "immediateCondition"))) {
[17:27:19.278]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:19.278]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.278]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:19.278]                   if (TRUE && !signal) {
[17:27:19.278]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.278]                     {
[17:27:19.278]                       inherits <- base::inherits
[17:27:19.278]                       invokeRestart <- base::invokeRestart
[17:27:19.278]                       is.null <- base::is.null
[17:27:19.278]                       muffled <- FALSE
[17:27:19.278]                       if (inherits(cond, "message")) {
[17:27:19.278]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.278]                         if (muffled) 
[17:27:19.278]                           invokeRestart("muffleMessage")
[17:27:19.278]                       }
[17:27:19.278]                       else if (inherits(cond, "warning")) {
[17:27:19.278]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.278]                         if (muffled) 
[17:27:19.278]                           invokeRestart("muffleWarning")
[17:27:19.278]                       }
[17:27:19.278]                       else if (inherits(cond, "condition")) {
[17:27:19.278]                         if (!is.null(pattern)) {
[17:27:19.278]                           computeRestarts <- base::computeRestarts
[17:27:19.278]                           grepl <- base::grepl
[17:27:19.278]                           restarts <- computeRestarts(cond)
[17:27:19.278]                           for (restart in restarts) {
[17:27:19.278]                             name <- restart$name
[17:27:19.278]                             if (is.null(name)) 
[17:27:19.278]                               next
[17:27:19.278]                             if (!grepl(pattern, name)) 
[17:27:19.278]                               next
[17:27:19.278]                             invokeRestart(restart)
[17:27:19.278]                             muffled <- TRUE
[17:27:19.278]                             break
[17:27:19.278]                           }
[17:27:19.278]                         }
[17:27:19.278]                       }
[17:27:19.278]                       invisible(muffled)
[17:27:19.278]                     }
[17:27:19.278]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.278]                   }
[17:27:19.278]                 }
[17:27:19.278]                 else {
[17:27:19.278]                   if (TRUE) {
[17:27:19.278]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.278]                     {
[17:27:19.278]                       inherits <- base::inherits
[17:27:19.278]                       invokeRestart <- base::invokeRestart
[17:27:19.278]                       is.null <- base::is.null
[17:27:19.278]                       muffled <- FALSE
[17:27:19.278]                       if (inherits(cond, "message")) {
[17:27:19.278]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.278]                         if (muffled) 
[17:27:19.278]                           invokeRestart("muffleMessage")
[17:27:19.278]                       }
[17:27:19.278]                       else if (inherits(cond, "warning")) {
[17:27:19.278]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.278]                         if (muffled) 
[17:27:19.278]                           invokeRestart("muffleWarning")
[17:27:19.278]                       }
[17:27:19.278]                       else if (inherits(cond, "condition")) {
[17:27:19.278]                         if (!is.null(pattern)) {
[17:27:19.278]                           computeRestarts <- base::computeRestarts
[17:27:19.278]                           grepl <- base::grepl
[17:27:19.278]                           restarts <- computeRestarts(cond)
[17:27:19.278]                           for (restart in restarts) {
[17:27:19.278]                             name <- restart$name
[17:27:19.278]                             if (is.null(name)) 
[17:27:19.278]                               next
[17:27:19.278]                             if (!grepl(pattern, name)) 
[17:27:19.278]                               next
[17:27:19.278]                             invokeRestart(restart)
[17:27:19.278]                             muffled <- TRUE
[17:27:19.278]                             break
[17:27:19.278]                           }
[17:27:19.278]                         }
[17:27:19.278]                       }
[17:27:19.278]                       invisible(muffled)
[17:27:19.278]                     }
[17:27:19.278]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.278]                   }
[17:27:19.278]                 }
[17:27:19.278]             }
[17:27:19.278]         }))
[17:27:19.278]     }, error = function(ex) {
[17:27:19.278]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:19.278]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.278]                 ...future.rng), started = ...future.startTime, 
[17:27:19.278]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:19.278]             version = "1.8"), class = "FutureResult")
[17:27:19.278]     }, finally = {
[17:27:19.278]         if (!identical(...future.workdir, getwd())) 
[17:27:19.278]             setwd(...future.workdir)
[17:27:19.278]         {
[17:27:19.278]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:19.278]                 ...future.oldOptions$nwarnings <- NULL
[17:27:19.278]             }
[17:27:19.278]             base::options(...future.oldOptions)
[17:27:19.278]             if (.Platform$OS.type == "windows") {
[17:27:19.278]                 old_names <- names(...future.oldEnvVars)
[17:27:19.278]                 envs <- base::Sys.getenv()
[17:27:19.278]                 names <- names(envs)
[17:27:19.278]                 common <- intersect(names, old_names)
[17:27:19.278]                 added <- setdiff(names, old_names)
[17:27:19.278]                 removed <- setdiff(old_names, names)
[17:27:19.278]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:19.278]                   envs[common]]
[17:27:19.278]                 NAMES <- toupper(changed)
[17:27:19.278]                 args <- list()
[17:27:19.278]                 for (kk in seq_along(NAMES)) {
[17:27:19.278]                   name <- changed[[kk]]
[17:27:19.278]                   NAME <- NAMES[[kk]]
[17:27:19.278]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.278]                     next
[17:27:19.278]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.278]                 }
[17:27:19.278]                 NAMES <- toupper(added)
[17:27:19.278]                 for (kk in seq_along(NAMES)) {
[17:27:19.278]                   name <- added[[kk]]
[17:27:19.278]                   NAME <- NAMES[[kk]]
[17:27:19.278]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.278]                     next
[17:27:19.278]                   args[[name]] <- ""
[17:27:19.278]                 }
[17:27:19.278]                 NAMES <- toupper(removed)
[17:27:19.278]                 for (kk in seq_along(NAMES)) {
[17:27:19.278]                   name <- removed[[kk]]
[17:27:19.278]                   NAME <- NAMES[[kk]]
[17:27:19.278]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.278]                     next
[17:27:19.278]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.278]                 }
[17:27:19.278]                 if (length(args) > 0) 
[17:27:19.278]                   base::do.call(base::Sys.setenv, args = args)
[17:27:19.278]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:19.278]             }
[17:27:19.278]             else {
[17:27:19.278]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:19.278]             }
[17:27:19.278]             {
[17:27:19.278]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:19.278]                   0L) {
[17:27:19.278]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:19.278]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:19.278]                   base::options(opts)
[17:27:19.278]                 }
[17:27:19.278]                 {
[17:27:19.278]                   {
[17:27:19.278]                     NULL
[17:27:19.278]                     RNGkind("Mersenne-Twister")
[17:27:19.278]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:27:19.278]                       inherits = FALSE)
[17:27:19.278]                   }
[17:27:19.278]                   options(future.plan = NULL)
[17:27:19.278]                   if (is.na(NA_character_)) 
[17:27:19.278]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.278]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:19.278]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:19.278]                     .init = FALSE)
[17:27:19.278]                 }
[17:27:19.278]             }
[17:27:19.278]         }
[17:27:19.278]     })
[17:27:19.278]     if (TRUE) {
[17:27:19.278]         base::sink(type = "output", split = FALSE)
[17:27:19.278]         if (TRUE) {
[17:27:19.278]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:19.278]         }
[17:27:19.278]         else {
[17:27:19.278]             ...future.result["stdout"] <- base::list(NULL)
[17:27:19.278]         }
[17:27:19.278]         base::close(...future.stdout)
[17:27:19.278]         ...future.stdout <- NULL
[17:27:19.278]     }
[17:27:19.278]     ...future.result$conditions <- ...future.conditions
[17:27:19.278]     ...future.result$finished <- base::Sys.time()
[17:27:19.278]     ...future.result
[17:27:19.278] }
[17:27:19.285] plan(): Setting new future strategy stack:
[17:27:19.285] List of future strategies:
[17:27:19.285] 1. sequential:
[17:27:19.285]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.285]    - tweaked: FALSE
[17:27:19.285]    - call: NULL
[17:27:19.286] plan(): nbrOfWorkers() = 1
[17:27:19.289] plan(): Setting new future strategy stack:
[17:27:19.289] List of future strategies:
[17:27:19.289] 1. sequential:
[17:27:19.289]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.289]    - tweaked: FALSE
[17:27:19.289]    - call: plan(strategy)
[17:27:19.294] plan(): nbrOfWorkers() = 1
[17:27:19.294] SequentialFuture started (and completed)
[17:27:19.295] - Launch lazy future ... done
[17:27:19.295] run() for 'SequentialFuture' ... done
u$a = 2
v$a = 4
[17:27:19.296] getGlobalsAndPackages() ...
[17:27:19.296] Searching for globals...
[17:27:19.298] - globals found: [3] '{', '*', 'a'
[17:27:19.298] Searching for globals ... DONE
[17:27:19.299] Resolving globals: FALSE
[17:27:19.300] The total size of the 1 globals is 39 bytes (39 bytes)
[17:27:19.301] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 39 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (39 bytes of class 'numeric')
[17:27:19.301] - globals: [1] 'a'
[17:27:19.302] 
[17:27:19.302] getGlobalsAndPackages() ... DONE
[17:27:19.303] run() for 'Future' ...
[17:27:19.303] - state: 'created'
[17:27:19.303] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:27:19.304] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:27:19.304] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:27:19.305]   - Field: 'label'
[17:27:19.305]   - Field: 'local'
[17:27:19.305]   - Field: 'owner'
[17:27:19.305]   - Field: 'envir'
[17:27:19.306]   - Field: 'packages'
[17:27:19.306]   - Field: 'gc'
[17:27:19.306]   - Field: 'conditions'
[17:27:19.307]   - Field: 'expr'
[17:27:19.307]   - Field: 'uuid'
[17:27:19.307]   - Field: 'seed'
[17:27:19.308]   - Field: 'version'
[17:27:19.308]   - Field: 'result'
[17:27:19.308]   - Field: 'asynchronous'
[17:27:19.308]   - Field: 'calls'
[17:27:19.309]   - Field: 'globals'
[17:27:19.309]   - Field: 'stdout'
[17:27:19.309]   - Field: 'earlySignal'
[17:27:19.310]   - Field: 'lazy'
[17:27:19.310]   - Field: 'state'
[17:27:19.310] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:27:19.310] - Launch lazy future ...
[17:27:19.311] Packages needed by the future expression (n = 0): <none>
[17:27:19.311] Packages needed by future strategies (n = 0): <none>
[17:27:19.312] {
[17:27:19.312]     {
[17:27:19.312]         {
[17:27:19.312]             ...future.startTime <- base::Sys.time()
[17:27:19.312]             {
[17:27:19.312]                 {
[17:27:19.312]                   {
[17:27:19.312]                     base::local({
[17:27:19.312]                       has_future <- base::requireNamespace("future", 
[17:27:19.312]                         quietly = TRUE)
[17:27:19.312]                       if (has_future) {
[17:27:19.312]                         ns <- base::getNamespace("future")
[17:27:19.312]                         version <- ns[[".package"]][["version"]]
[17:27:19.312]                         if (is.null(version)) 
[17:27:19.312]                           version <- utils::packageVersion("future")
[17:27:19.312]                       }
[17:27:19.312]                       else {
[17:27:19.312]                         version <- NULL
[17:27:19.312]                       }
[17:27:19.312]                       if (!has_future || version < "1.8.0") {
[17:27:19.312]                         info <- base::c(r_version = base::gsub("R version ", 
[17:27:19.312]                           "", base::R.version$version.string), 
[17:27:19.312]                           platform = base::sprintf("%s (%s-bit)", 
[17:27:19.312]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:19.312]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:19.312]                             "release", "version")], collapse = " "), 
[17:27:19.312]                           hostname = base::Sys.info()[["nodename"]])
[17:27:19.312]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:27:19.312]                           info)
[17:27:19.312]                         info <- base::paste(info, collapse = "; ")
[17:27:19.312]                         if (!has_future) {
[17:27:19.312]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:19.312]                             info)
[17:27:19.312]                         }
[17:27:19.312]                         else {
[17:27:19.312]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:19.312]                             info, version)
[17:27:19.312]                         }
[17:27:19.312]                         base::stop(msg)
[17:27:19.312]                       }
[17:27:19.312]                     })
[17:27:19.312]                   }
[17:27:19.312]                   ...future.strategy.old <- future::plan("list")
[17:27:19.312]                   options(future.plan = NULL)
[17:27:19.312]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.312]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:19.312]                 }
[17:27:19.312]                 ...future.workdir <- getwd()
[17:27:19.312]             }
[17:27:19.312]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:19.312]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:19.312]         }
[17:27:19.312]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:19.312]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:19.312]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:19.312]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:19.312]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:19.312]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:19.312]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:19.312]             base::names(...future.oldOptions))
[17:27:19.312]     }
[17:27:19.312]     if (FALSE) {
[17:27:19.312]     }
[17:27:19.312]     else {
[17:27:19.312]         if (TRUE) {
[17:27:19.312]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:19.312]                 open = "w")
[17:27:19.312]         }
[17:27:19.312]         else {
[17:27:19.312]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:19.312]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:19.312]         }
[17:27:19.312]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:19.312]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:19.312]             base::sink(type = "output", split = FALSE)
[17:27:19.312]             base::close(...future.stdout)
[17:27:19.312]         }, add = TRUE)
[17:27:19.312]     }
[17:27:19.312]     ...future.frame <- base::sys.nframe()
[17:27:19.312]     ...future.conditions <- base::list()
[17:27:19.312]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:19.312]     if (FALSE) {
[17:27:19.312]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:19.312]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:19.312]     }
[17:27:19.312]     ...future.result <- base::tryCatch({
[17:27:19.312]         base::withCallingHandlers({
[17:27:19.312]             ...future.value <- base::withVisible(base::local({
[17:27:19.312]                 2 * a
[17:27:19.312]             }))
[17:27:19.312]             future::FutureResult(value = ...future.value$value, 
[17:27:19.312]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.312]                   ...future.rng), globalenv = if (FALSE) 
[17:27:19.312]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:19.312]                     ...future.globalenv.names))
[17:27:19.312]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:19.312]         }, condition = base::local({
[17:27:19.312]             c <- base::c
[17:27:19.312]             inherits <- base::inherits
[17:27:19.312]             invokeRestart <- base::invokeRestart
[17:27:19.312]             length <- base::length
[17:27:19.312]             list <- base::list
[17:27:19.312]             seq.int <- base::seq.int
[17:27:19.312]             signalCondition <- base::signalCondition
[17:27:19.312]             sys.calls <- base::sys.calls
[17:27:19.312]             `[[` <- base::`[[`
[17:27:19.312]             `+` <- base::`+`
[17:27:19.312]             `<<-` <- base::`<<-`
[17:27:19.312]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:19.312]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:19.312]                   3L)]
[17:27:19.312]             }
[17:27:19.312]             function(cond) {
[17:27:19.312]                 is_error <- inherits(cond, "error")
[17:27:19.312]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:19.312]                   NULL)
[17:27:19.312]                 if (is_error) {
[17:27:19.312]                   sessionInformation <- function() {
[17:27:19.312]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:19.312]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:19.312]                       search = base::search(), system = base::Sys.info())
[17:27:19.312]                   }
[17:27:19.312]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.312]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:19.312]                     cond$call), session = sessionInformation(), 
[17:27:19.312]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:19.312]                   signalCondition(cond)
[17:27:19.312]                 }
[17:27:19.312]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:19.312]                 "immediateCondition"))) {
[17:27:19.312]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:19.312]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.312]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:19.312]                   if (TRUE && !signal) {
[17:27:19.312]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.312]                     {
[17:27:19.312]                       inherits <- base::inherits
[17:27:19.312]                       invokeRestart <- base::invokeRestart
[17:27:19.312]                       is.null <- base::is.null
[17:27:19.312]                       muffled <- FALSE
[17:27:19.312]                       if (inherits(cond, "message")) {
[17:27:19.312]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.312]                         if (muffled) 
[17:27:19.312]                           invokeRestart("muffleMessage")
[17:27:19.312]                       }
[17:27:19.312]                       else if (inherits(cond, "warning")) {
[17:27:19.312]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.312]                         if (muffled) 
[17:27:19.312]                           invokeRestart("muffleWarning")
[17:27:19.312]                       }
[17:27:19.312]                       else if (inherits(cond, "condition")) {
[17:27:19.312]                         if (!is.null(pattern)) {
[17:27:19.312]                           computeRestarts <- base::computeRestarts
[17:27:19.312]                           grepl <- base::grepl
[17:27:19.312]                           restarts <- computeRestarts(cond)
[17:27:19.312]                           for (restart in restarts) {
[17:27:19.312]                             name <- restart$name
[17:27:19.312]                             if (is.null(name)) 
[17:27:19.312]                               next
[17:27:19.312]                             if (!grepl(pattern, name)) 
[17:27:19.312]                               next
[17:27:19.312]                             invokeRestart(restart)
[17:27:19.312]                             muffled <- TRUE
[17:27:19.312]                             break
[17:27:19.312]                           }
[17:27:19.312]                         }
[17:27:19.312]                       }
[17:27:19.312]                       invisible(muffled)
[17:27:19.312]                     }
[17:27:19.312]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.312]                   }
[17:27:19.312]                 }
[17:27:19.312]                 else {
[17:27:19.312]                   if (TRUE) {
[17:27:19.312]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.312]                     {
[17:27:19.312]                       inherits <- base::inherits
[17:27:19.312]                       invokeRestart <- base::invokeRestart
[17:27:19.312]                       is.null <- base::is.null
[17:27:19.312]                       muffled <- FALSE
[17:27:19.312]                       if (inherits(cond, "message")) {
[17:27:19.312]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.312]                         if (muffled) 
[17:27:19.312]                           invokeRestart("muffleMessage")
[17:27:19.312]                       }
[17:27:19.312]                       else if (inherits(cond, "warning")) {
[17:27:19.312]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.312]                         if (muffled) 
[17:27:19.312]                           invokeRestart("muffleWarning")
[17:27:19.312]                       }
[17:27:19.312]                       else if (inherits(cond, "condition")) {
[17:27:19.312]                         if (!is.null(pattern)) {
[17:27:19.312]                           computeRestarts <- base::computeRestarts
[17:27:19.312]                           grepl <- base::grepl
[17:27:19.312]                           restarts <- computeRestarts(cond)
[17:27:19.312]                           for (restart in restarts) {
[17:27:19.312]                             name <- restart$name
[17:27:19.312]                             if (is.null(name)) 
[17:27:19.312]                               next
[17:27:19.312]                             if (!grepl(pattern, name)) 
[17:27:19.312]                               next
[17:27:19.312]                             invokeRestart(restart)
[17:27:19.312]                             muffled <- TRUE
[17:27:19.312]                             break
[17:27:19.312]                           }
[17:27:19.312]                         }
[17:27:19.312]                       }
[17:27:19.312]                       invisible(muffled)
[17:27:19.312]                     }
[17:27:19.312]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.312]                   }
[17:27:19.312]                 }
[17:27:19.312]             }
[17:27:19.312]         }))
[17:27:19.312]     }, error = function(ex) {
[17:27:19.312]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:19.312]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.312]                 ...future.rng), started = ...future.startTime, 
[17:27:19.312]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:19.312]             version = "1.8"), class = "FutureResult")
[17:27:19.312]     }, finally = {
[17:27:19.312]         if (!identical(...future.workdir, getwd())) 
[17:27:19.312]             setwd(...future.workdir)
[17:27:19.312]         {
[17:27:19.312]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:19.312]                 ...future.oldOptions$nwarnings <- NULL
[17:27:19.312]             }
[17:27:19.312]             base::options(...future.oldOptions)
[17:27:19.312]             if (.Platform$OS.type == "windows") {
[17:27:19.312]                 old_names <- names(...future.oldEnvVars)
[17:27:19.312]                 envs <- base::Sys.getenv()
[17:27:19.312]                 names <- names(envs)
[17:27:19.312]                 common <- intersect(names, old_names)
[17:27:19.312]                 added <- setdiff(names, old_names)
[17:27:19.312]                 removed <- setdiff(old_names, names)
[17:27:19.312]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:19.312]                   envs[common]]
[17:27:19.312]                 NAMES <- toupper(changed)
[17:27:19.312]                 args <- list()
[17:27:19.312]                 for (kk in seq_along(NAMES)) {
[17:27:19.312]                   name <- changed[[kk]]
[17:27:19.312]                   NAME <- NAMES[[kk]]
[17:27:19.312]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.312]                     next
[17:27:19.312]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.312]                 }
[17:27:19.312]                 NAMES <- toupper(added)
[17:27:19.312]                 for (kk in seq_along(NAMES)) {
[17:27:19.312]                   name <- added[[kk]]
[17:27:19.312]                   NAME <- NAMES[[kk]]
[17:27:19.312]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.312]                     next
[17:27:19.312]                   args[[name]] <- ""
[17:27:19.312]                 }
[17:27:19.312]                 NAMES <- toupper(removed)
[17:27:19.312]                 for (kk in seq_along(NAMES)) {
[17:27:19.312]                   name <- removed[[kk]]
[17:27:19.312]                   NAME <- NAMES[[kk]]
[17:27:19.312]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.312]                     next
[17:27:19.312]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.312]                 }
[17:27:19.312]                 if (length(args) > 0) 
[17:27:19.312]                   base::do.call(base::Sys.setenv, args = args)
[17:27:19.312]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:19.312]             }
[17:27:19.312]             else {
[17:27:19.312]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:19.312]             }
[17:27:19.312]             {
[17:27:19.312]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:19.312]                   0L) {
[17:27:19.312]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:19.312]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:19.312]                   base::options(opts)
[17:27:19.312]                 }
[17:27:19.312]                 {
[17:27:19.312]                   {
[17:27:19.312]                     NULL
[17:27:19.312]                     RNGkind("Mersenne-Twister")
[17:27:19.312]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:27:19.312]                       inherits = FALSE)
[17:27:19.312]                   }
[17:27:19.312]                   options(future.plan = NULL)
[17:27:19.312]                   if (is.na(NA_character_)) 
[17:27:19.312]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.312]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:19.312]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:19.312]                     .init = FALSE)
[17:27:19.312]                 }
[17:27:19.312]             }
[17:27:19.312]         }
[17:27:19.312]     })
[17:27:19.312]     if (TRUE) {
[17:27:19.312]         base::sink(type = "output", split = FALSE)
[17:27:19.312]         if (TRUE) {
[17:27:19.312]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:19.312]         }
[17:27:19.312]         else {
[17:27:19.312]             ...future.result["stdout"] <- base::list(NULL)
[17:27:19.312]         }
[17:27:19.312]         base::close(...future.stdout)
[17:27:19.312]         ...future.stdout <- NULL
[17:27:19.312]     }
[17:27:19.312]     ...future.result$conditions <- ...future.conditions
[17:27:19.312]     ...future.result$finished <- base::Sys.time()
[17:27:19.312]     ...future.result
[17:27:19.312] }
[17:27:19.319] assign_globals() ...
[17:27:19.319] List of 1
[17:27:19.319]  $ a: num 1
[17:27:19.319]  - attr(*, "where")=List of 1
[17:27:19.319]   ..$ a:<environment: R_EmptyEnv> 
[17:27:19.319]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:27:19.319]  - attr(*, "resolved")= logi FALSE
[17:27:19.319]  - attr(*, "total_size")= int 39
[17:27:19.319]  - attr(*, "already-done")= logi TRUE
[17:27:19.328] - copied 'a' to environment
[17:27:19.329] assign_globals() ... done
[17:27:19.329] plan(): Setting new future strategy stack:
[17:27:19.330] List of future strategies:
[17:27:19.330] 1. sequential:
[17:27:19.330]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.330]    - tweaked: FALSE
[17:27:19.330]    - call: NULL
[17:27:19.331] plan(): nbrOfWorkers() = 1
[17:27:19.333] plan(): Setting new future strategy stack:
[17:27:19.333] List of future strategies:
[17:27:19.333] 1. sequential:
[17:27:19.333]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.333]    - tweaked: FALSE
[17:27:19.333]    - call: plan(strategy)
[17:27:19.334] plan(): nbrOfWorkers() = 1
[17:27:19.335] SequentialFuture started (and completed)
[17:27:19.335] - Launch lazy future ... done
[17:27:19.335] run() for 'SequentialFuture' ... done
[17:27:19.336] getGlobalsAndPackages() ...
[17:27:19.336] Searching for globals...
[17:27:19.338] - globals found: [3] '{', '*', 'a'
[17:27:19.339] Searching for globals ... DONE
[17:27:19.339] Resolving globals: FALSE
[17:27:19.340] The total size of the 1 globals is 39 bytes (39 bytes)
[17:27:19.341] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 39 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (39 bytes of class 'numeric')
[17:27:19.341] - globals: [1] 'a'
[17:27:19.341] 
[17:27:19.341] getGlobalsAndPackages() ... DONE
[17:27:19.342] run() for 'Future' ...
[17:27:19.342] - state: 'created'
[17:27:19.343] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:27:19.343] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:27:19.344] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:27:19.344]   - Field: 'label'
[17:27:19.344]   - Field: 'local'
[17:27:19.345]   - Field: 'owner'
[17:27:19.345]   - Field: 'envir'
[17:27:19.345]   - Field: 'packages'
[17:27:19.346]   - Field: 'gc'
[17:27:19.346]   - Field: 'conditions'
[17:27:19.346]   - Field: 'expr'
[17:27:19.346]   - Field: 'uuid'
[17:27:19.347]   - Field: 'seed'
[17:27:19.347]   - Field: 'version'
[17:27:19.347]   - Field: 'result'
[17:27:19.348]   - Field: 'asynchronous'
[17:27:19.348]   - Field: 'calls'
[17:27:19.348]   - Field: 'globals'
[17:27:19.349]   - Field: 'stdout'
[17:27:19.349]   - Field: 'earlySignal'
[17:27:19.349]   - Field: 'lazy'
[17:27:19.349]   - Field: 'state'
[17:27:19.350] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:27:19.350] - Launch lazy future ...
[17:27:19.350] Packages needed by the future expression (n = 0): <none>
[17:27:19.351] Packages needed by future strategies (n = 0): <none>
[17:27:19.352] {
[17:27:19.352]     {
[17:27:19.352]         {
[17:27:19.352]             ...future.startTime <- base::Sys.time()
[17:27:19.352]             {
[17:27:19.352]                 {
[17:27:19.352]                   {
[17:27:19.352]                     base::local({
[17:27:19.352]                       has_future <- base::requireNamespace("future", 
[17:27:19.352]                         quietly = TRUE)
[17:27:19.352]                       if (has_future) {
[17:27:19.352]                         ns <- base::getNamespace("future")
[17:27:19.352]                         version <- ns[[".package"]][["version"]]
[17:27:19.352]                         if (is.null(version)) 
[17:27:19.352]                           version <- utils::packageVersion("future")
[17:27:19.352]                       }
[17:27:19.352]                       else {
[17:27:19.352]                         version <- NULL
[17:27:19.352]                       }
[17:27:19.352]                       if (!has_future || version < "1.8.0") {
[17:27:19.352]                         info <- base::c(r_version = base::gsub("R version ", 
[17:27:19.352]                           "", base::R.version$version.string), 
[17:27:19.352]                           platform = base::sprintf("%s (%s-bit)", 
[17:27:19.352]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:19.352]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:19.352]                             "release", "version")], collapse = " "), 
[17:27:19.352]                           hostname = base::Sys.info()[["nodename"]])
[17:27:19.352]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:27:19.352]                           info)
[17:27:19.352]                         info <- base::paste(info, collapse = "; ")
[17:27:19.352]                         if (!has_future) {
[17:27:19.352]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:19.352]                             info)
[17:27:19.352]                         }
[17:27:19.352]                         else {
[17:27:19.352]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:19.352]                             info, version)
[17:27:19.352]                         }
[17:27:19.352]                         base::stop(msg)
[17:27:19.352]                       }
[17:27:19.352]                     })
[17:27:19.352]                   }
[17:27:19.352]                   ...future.strategy.old <- future::plan("list")
[17:27:19.352]                   options(future.plan = NULL)
[17:27:19.352]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.352]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:19.352]                 }
[17:27:19.352]                 ...future.workdir <- getwd()
[17:27:19.352]             }
[17:27:19.352]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:19.352]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:19.352]         }
[17:27:19.352]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:19.352]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:19.352]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:19.352]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:19.352]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:19.352]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:19.352]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:19.352]             base::names(...future.oldOptions))
[17:27:19.352]     }
[17:27:19.352]     if (FALSE) {
[17:27:19.352]     }
[17:27:19.352]     else {
[17:27:19.352]         if (TRUE) {
[17:27:19.352]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:19.352]                 open = "w")
[17:27:19.352]         }
[17:27:19.352]         else {
[17:27:19.352]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:19.352]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:19.352]         }
[17:27:19.352]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:19.352]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:19.352]             base::sink(type = "output", split = FALSE)
[17:27:19.352]             base::close(...future.stdout)
[17:27:19.352]         }, add = TRUE)
[17:27:19.352]     }
[17:27:19.352]     ...future.frame <- base::sys.nframe()
[17:27:19.352]     ...future.conditions <- base::list()
[17:27:19.352]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:19.352]     if (FALSE) {
[17:27:19.352]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:19.352]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:19.352]     }
[17:27:19.352]     ...future.result <- base::tryCatch({
[17:27:19.352]         base::withCallingHandlers({
[17:27:19.352]             ...future.value <- base::withVisible(base::local({
[17:27:19.352]                 2 * a
[17:27:19.352]             }))
[17:27:19.352]             future::FutureResult(value = ...future.value$value, 
[17:27:19.352]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.352]                   ...future.rng), globalenv = if (FALSE) 
[17:27:19.352]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:19.352]                     ...future.globalenv.names))
[17:27:19.352]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:19.352]         }, condition = base::local({
[17:27:19.352]             c <- base::c
[17:27:19.352]             inherits <- base::inherits
[17:27:19.352]             invokeRestart <- base::invokeRestart
[17:27:19.352]             length <- base::length
[17:27:19.352]             list <- base::list
[17:27:19.352]             seq.int <- base::seq.int
[17:27:19.352]             signalCondition <- base::signalCondition
[17:27:19.352]             sys.calls <- base::sys.calls
[17:27:19.352]             `[[` <- base::`[[`
[17:27:19.352]             `+` <- base::`+`
[17:27:19.352]             `<<-` <- base::`<<-`
[17:27:19.352]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:19.352]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:19.352]                   3L)]
[17:27:19.352]             }
[17:27:19.352]             function(cond) {
[17:27:19.352]                 is_error <- inherits(cond, "error")
[17:27:19.352]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:19.352]                   NULL)
[17:27:19.352]                 if (is_error) {
[17:27:19.352]                   sessionInformation <- function() {
[17:27:19.352]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:19.352]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:19.352]                       search = base::search(), system = base::Sys.info())
[17:27:19.352]                   }
[17:27:19.352]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.352]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:19.352]                     cond$call), session = sessionInformation(), 
[17:27:19.352]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:19.352]                   signalCondition(cond)
[17:27:19.352]                 }
[17:27:19.352]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:19.352]                 "immediateCondition"))) {
[17:27:19.352]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:19.352]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.352]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:19.352]                   if (TRUE && !signal) {
[17:27:19.352]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.352]                     {
[17:27:19.352]                       inherits <- base::inherits
[17:27:19.352]                       invokeRestart <- base::invokeRestart
[17:27:19.352]                       is.null <- base::is.null
[17:27:19.352]                       muffled <- FALSE
[17:27:19.352]                       if (inherits(cond, "message")) {
[17:27:19.352]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.352]                         if (muffled) 
[17:27:19.352]                           invokeRestart("muffleMessage")
[17:27:19.352]                       }
[17:27:19.352]                       else if (inherits(cond, "warning")) {
[17:27:19.352]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.352]                         if (muffled) 
[17:27:19.352]                           invokeRestart("muffleWarning")
[17:27:19.352]                       }
[17:27:19.352]                       else if (inherits(cond, "condition")) {
[17:27:19.352]                         if (!is.null(pattern)) {
[17:27:19.352]                           computeRestarts <- base::computeRestarts
[17:27:19.352]                           grepl <- base::grepl
[17:27:19.352]                           restarts <- computeRestarts(cond)
[17:27:19.352]                           for (restart in restarts) {
[17:27:19.352]                             name <- restart$name
[17:27:19.352]                             if (is.null(name)) 
[17:27:19.352]                               next
[17:27:19.352]                             if (!grepl(pattern, name)) 
[17:27:19.352]                               next
[17:27:19.352]                             invokeRestart(restart)
[17:27:19.352]                             muffled <- TRUE
[17:27:19.352]                             break
[17:27:19.352]                           }
[17:27:19.352]                         }
[17:27:19.352]                       }
[17:27:19.352]                       invisible(muffled)
[17:27:19.352]                     }
[17:27:19.352]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.352]                   }
[17:27:19.352]                 }
[17:27:19.352]                 else {
[17:27:19.352]                   if (TRUE) {
[17:27:19.352]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.352]                     {
[17:27:19.352]                       inherits <- base::inherits
[17:27:19.352]                       invokeRestart <- base::invokeRestart
[17:27:19.352]                       is.null <- base::is.null
[17:27:19.352]                       muffled <- FALSE
[17:27:19.352]                       if (inherits(cond, "message")) {
[17:27:19.352]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.352]                         if (muffled) 
[17:27:19.352]                           invokeRestart("muffleMessage")
[17:27:19.352]                       }
[17:27:19.352]                       else if (inherits(cond, "warning")) {
[17:27:19.352]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.352]                         if (muffled) 
[17:27:19.352]                           invokeRestart("muffleWarning")
[17:27:19.352]                       }
[17:27:19.352]                       else if (inherits(cond, "condition")) {
[17:27:19.352]                         if (!is.null(pattern)) {
[17:27:19.352]                           computeRestarts <- base::computeRestarts
[17:27:19.352]                           grepl <- base::grepl
[17:27:19.352]                           restarts <- computeRestarts(cond)
[17:27:19.352]                           for (restart in restarts) {
[17:27:19.352]                             name <- restart$name
[17:27:19.352]                             if (is.null(name)) 
[17:27:19.352]                               next
[17:27:19.352]                             if (!grepl(pattern, name)) 
[17:27:19.352]                               next
[17:27:19.352]                             invokeRestart(restart)
[17:27:19.352]                             muffled <- TRUE
[17:27:19.352]                             break
[17:27:19.352]                           }
[17:27:19.352]                         }
[17:27:19.352]                       }
[17:27:19.352]                       invisible(muffled)
[17:27:19.352]                     }
[17:27:19.352]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.352]                   }
[17:27:19.352]                 }
[17:27:19.352]             }
[17:27:19.352]         }))
[17:27:19.352]     }, error = function(ex) {
[17:27:19.352]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:19.352]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.352]                 ...future.rng), started = ...future.startTime, 
[17:27:19.352]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:19.352]             version = "1.8"), class = "FutureResult")
[17:27:19.352]     }, finally = {
[17:27:19.352]         if (!identical(...future.workdir, getwd())) 
[17:27:19.352]             setwd(...future.workdir)
[17:27:19.352]         {
[17:27:19.352]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:19.352]                 ...future.oldOptions$nwarnings <- NULL
[17:27:19.352]             }
[17:27:19.352]             base::options(...future.oldOptions)
[17:27:19.352]             if (.Platform$OS.type == "windows") {
[17:27:19.352]                 old_names <- names(...future.oldEnvVars)
[17:27:19.352]                 envs <- base::Sys.getenv()
[17:27:19.352]                 names <- names(envs)
[17:27:19.352]                 common <- intersect(names, old_names)
[17:27:19.352]                 added <- setdiff(names, old_names)
[17:27:19.352]                 removed <- setdiff(old_names, names)
[17:27:19.352]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:19.352]                   envs[common]]
[17:27:19.352]                 NAMES <- toupper(changed)
[17:27:19.352]                 args <- list()
[17:27:19.352]                 for (kk in seq_along(NAMES)) {
[17:27:19.352]                   name <- changed[[kk]]
[17:27:19.352]                   NAME <- NAMES[[kk]]
[17:27:19.352]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.352]                     next
[17:27:19.352]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.352]                 }
[17:27:19.352]                 NAMES <- toupper(added)
[17:27:19.352]                 for (kk in seq_along(NAMES)) {
[17:27:19.352]                   name <- added[[kk]]
[17:27:19.352]                   NAME <- NAMES[[kk]]
[17:27:19.352]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.352]                     next
[17:27:19.352]                   args[[name]] <- ""
[17:27:19.352]                 }
[17:27:19.352]                 NAMES <- toupper(removed)
[17:27:19.352]                 for (kk in seq_along(NAMES)) {
[17:27:19.352]                   name <- removed[[kk]]
[17:27:19.352]                   NAME <- NAMES[[kk]]
[17:27:19.352]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.352]                     next
[17:27:19.352]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.352]                 }
[17:27:19.352]                 if (length(args) > 0) 
[17:27:19.352]                   base::do.call(base::Sys.setenv, args = args)
[17:27:19.352]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:19.352]             }
[17:27:19.352]             else {
[17:27:19.352]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:19.352]             }
[17:27:19.352]             {
[17:27:19.352]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:19.352]                   0L) {
[17:27:19.352]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:19.352]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:19.352]                   base::options(opts)
[17:27:19.352]                 }
[17:27:19.352]                 {
[17:27:19.352]                   {
[17:27:19.352]                     NULL
[17:27:19.352]                     RNGkind("Mersenne-Twister")
[17:27:19.352]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:27:19.352]                       inherits = FALSE)
[17:27:19.352]                   }
[17:27:19.352]                   options(future.plan = NULL)
[17:27:19.352]                   if (is.na(NA_character_)) 
[17:27:19.352]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.352]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:19.352]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:19.352]                     .init = FALSE)
[17:27:19.352]                 }
[17:27:19.352]             }
[17:27:19.352]         }
[17:27:19.352]     })
[17:27:19.352]     if (TRUE) {
[17:27:19.352]         base::sink(type = "output", split = FALSE)
[17:27:19.352]         if (TRUE) {
[17:27:19.352]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:19.352]         }
[17:27:19.352]         else {
[17:27:19.352]             ...future.result["stdout"] <- base::list(NULL)
[17:27:19.352]         }
[17:27:19.352]         base::close(...future.stdout)
[17:27:19.352]         ...future.stdout <- NULL
[17:27:19.352]     }
[17:27:19.352]     ...future.result$conditions <- ...future.conditions
[17:27:19.352]     ...future.result$finished <- base::Sys.time()
[17:27:19.352]     ...future.result
[17:27:19.352] }
[17:27:19.358] assign_globals() ...
[17:27:19.359] List of 1
[17:27:19.359]  $ a: num 1
[17:27:19.359]  - attr(*, "where")=List of 1
[17:27:19.359]   ..$ a:<environment: R_EmptyEnv> 
[17:27:19.359]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:27:19.359]  - attr(*, "resolved")= logi FALSE
[17:27:19.359]  - attr(*, "total_size")= int 39
[17:27:19.359]  - attr(*, "already-done")= logi TRUE
[17:27:19.368] - copied 'a' to environment
[17:27:19.368] assign_globals() ... done
[17:27:19.369] plan(): Setting new future strategy stack:
[17:27:19.369] List of future strategies:
[17:27:19.369] 1. sequential:
[17:27:19.369]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.369]    - tweaked: FALSE
[17:27:19.369]    - call: NULL
[17:27:19.370] plan(): nbrOfWorkers() = 1
[17:27:19.372] plan(): Setting new future strategy stack:
[17:27:19.372] List of future strategies:
[17:27:19.372] 1. sequential:
[17:27:19.372]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.372]    - tweaked: FALSE
[17:27:19.372]    - call: plan(strategy)
[17:27:19.373] plan(): nbrOfWorkers() = 1
[17:27:19.373] SequentialFuture started (and completed)
[17:27:19.373] - Launch lazy future ... done
[17:27:19.373] run() for 'SequentialFuture' ... done
[17:27:19.374] getGlobalsAndPackages() ...
[17:27:19.374] Searching for globals...
[17:27:19.375] - globals found: [3] '{', '*', 'a'
[17:27:19.376] Searching for globals ... DONE
[17:27:19.376] Resolving globals: FALSE
[17:27:19.377] The total size of the 1 globals is 39 bytes (39 bytes)
[17:27:19.378] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 39 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (39 bytes of class 'numeric')
[17:27:19.378] - globals: [1] 'a'
[17:27:19.379] 
[17:27:19.379] getGlobalsAndPackages() ... DONE
[17:27:19.379] run() for 'Future' ...
[17:27:19.380] - state: 'created'
[17:27:19.380] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:27:19.381] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:27:19.381] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:27:19.382]   - Field: 'label'
[17:27:19.382]   - Field: 'local'
[17:27:19.382]   - Field: 'owner'
[17:27:19.383]   - Field: 'envir'
[17:27:19.383]   - Field: 'packages'
[17:27:19.383]   - Field: 'gc'
[17:27:19.384]   - Field: 'conditions'
[17:27:19.384]   - Field: 'expr'
[17:27:19.384]   - Field: 'uuid'
[17:27:19.384]   - Field: 'seed'
[17:27:19.385]   - Field: 'version'
[17:27:19.385]   - Field: 'result'
[17:27:19.385]   - Field: 'asynchronous'
[17:27:19.385]   - Field: 'calls'
[17:27:19.386]   - Field: 'globals'
[17:27:19.386]   - Field: 'stdout'
[17:27:19.386]   - Field: 'earlySignal'
[17:27:19.387]   - Field: 'lazy'
[17:27:19.387]   - Field: 'state'
[17:27:19.387] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:27:19.388] - Launch lazy future ...
[17:27:19.388] Packages needed by the future expression (n = 0): <none>
[17:27:19.389] Packages needed by future strategies (n = 0): <none>
[17:27:19.390] {
[17:27:19.390]     {
[17:27:19.390]         {
[17:27:19.390]             ...future.startTime <- base::Sys.time()
[17:27:19.390]             {
[17:27:19.390]                 {
[17:27:19.390]                   {
[17:27:19.390]                     base::local({
[17:27:19.390]                       has_future <- base::requireNamespace("future", 
[17:27:19.390]                         quietly = TRUE)
[17:27:19.390]                       if (has_future) {
[17:27:19.390]                         ns <- base::getNamespace("future")
[17:27:19.390]                         version <- ns[[".package"]][["version"]]
[17:27:19.390]                         if (is.null(version)) 
[17:27:19.390]                           version <- utils::packageVersion("future")
[17:27:19.390]                       }
[17:27:19.390]                       else {
[17:27:19.390]                         version <- NULL
[17:27:19.390]                       }
[17:27:19.390]                       if (!has_future || version < "1.8.0") {
[17:27:19.390]                         info <- base::c(r_version = base::gsub("R version ", 
[17:27:19.390]                           "", base::R.version$version.string), 
[17:27:19.390]                           platform = base::sprintf("%s (%s-bit)", 
[17:27:19.390]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:19.390]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:19.390]                             "release", "version")], collapse = " "), 
[17:27:19.390]                           hostname = base::Sys.info()[["nodename"]])
[17:27:19.390]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:27:19.390]                           info)
[17:27:19.390]                         info <- base::paste(info, collapse = "; ")
[17:27:19.390]                         if (!has_future) {
[17:27:19.390]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:19.390]                             info)
[17:27:19.390]                         }
[17:27:19.390]                         else {
[17:27:19.390]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:19.390]                             info, version)
[17:27:19.390]                         }
[17:27:19.390]                         base::stop(msg)
[17:27:19.390]                       }
[17:27:19.390]                     })
[17:27:19.390]                   }
[17:27:19.390]                   ...future.strategy.old <- future::plan("list")
[17:27:19.390]                   options(future.plan = NULL)
[17:27:19.390]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.390]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:19.390]                 }
[17:27:19.390]                 ...future.workdir <- getwd()
[17:27:19.390]             }
[17:27:19.390]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:19.390]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:19.390]         }
[17:27:19.390]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:19.390]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:19.390]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:19.390]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:19.390]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:19.390]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:19.390]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:19.390]             base::names(...future.oldOptions))
[17:27:19.390]     }
[17:27:19.390]     if (FALSE) {
[17:27:19.390]     }
[17:27:19.390]     else {
[17:27:19.390]         if (TRUE) {
[17:27:19.390]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:19.390]                 open = "w")
[17:27:19.390]         }
[17:27:19.390]         else {
[17:27:19.390]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:19.390]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:19.390]         }
[17:27:19.390]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:19.390]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:19.390]             base::sink(type = "output", split = FALSE)
[17:27:19.390]             base::close(...future.stdout)
[17:27:19.390]         }, add = TRUE)
[17:27:19.390]     }
[17:27:19.390]     ...future.frame <- base::sys.nframe()
[17:27:19.390]     ...future.conditions <- base::list()
[17:27:19.390]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:19.390]     if (FALSE) {
[17:27:19.390]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:19.390]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:19.390]     }
[17:27:19.390]     ...future.result <- base::tryCatch({
[17:27:19.390]         base::withCallingHandlers({
[17:27:19.390]             ...future.value <- base::withVisible(base::local({
[17:27:19.390]                 2 * a
[17:27:19.390]             }))
[17:27:19.390]             future::FutureResult(value = ...future.value$value, 
[17:27:19.390]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.390]                   ...future.rng), globalenv = if (FALSE) 
[17:27:19.390]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:19.390]                     ...future.globalenv.names))
[17:27:19.390]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:19.390]         }, condition = base::local({
[17:27:19.390]             c <- base::c
[17:27:19.390]             inherits <- base::inherits
[17:27:19.390]             invokeRestart <- base::invokeRestart
[17:27:19.390]             length <- base::length
[17:27:19.390]             list <- base::list
[17:27:19.390]             seq.int <- base::seq.int
[17:27:19.390]             signalCondition <- base::signalCondition
[17:27:19.390]             sys.calls <- base::sys.calls
[17:27:19.390]             `[[` <- base::`[[`
[17:27:19.390]             `+` <- base::`+`
[17:27:19.390]             `<<-` <- base::`<<-`
[17:27:19.390]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:19.390]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:19.390]                   3L)]
[17:27:19.390]             }
[17:27:19.390]             function(cond) {
[17:27:19.390]                 is_error <- inherits(cond, "error")
[17:27:19.390]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:19.390]                   NULL)
[17:27:19.390]                 if (is_error) {
[17:27:19.390]                   sessionInformation <- function() {
[17:27:19.390]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:19.390]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:19.390]                       search = base::search(), system = base::Sys.info())
[17:27:19.390]                   }
[17:27:19.390]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.390]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:19.390]                     cond$call), session = sessionInformation(), 
[17:27:19.390]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:19.390]                   signalCondition(cond)
[17:27:19.390]                 }
[17:27:19.390]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:19.390]                 "immediateCondition"))) {
[17:27:19.390]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:19.390]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.390]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:19.390]                   if (TRUE && !signal) {
[17:27:19.390]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.390]                     {
[17:27:19.390]                       inherits <- base::inherits
[17:27:19.390]                       invokeRestart <- base::invokeRestart
[17:27:19.390]                       is.null <- base::is.null
[17:27:19.390]                       muffled <- FALSE
[17:27:19.390]                       if (inherits(cond, "message")) {
[17:27:19.390]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.390]                         if (muffled) 
[17:27:19.390]                           invokeRestart("muffleMessage")
[17:27:19.390]                       }
[17:27:19.390]                       else if (inherits(cond, "warning")) {
[17:27:19.390]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.390]                         if (muffled) 
[17:27:19.390]                           invokeRestart("muffleWarning")
[17:27:19.390]                       }
[17:27:19.390]                       else if (inherits(cond, "condition")) {
[17:27:19.390]                         if (!is.null(pattern)) {
[17:27:19.390]                           computeRestarts <- base::computeRestarts
[17:27:19.390]                           grepl <- base::grepl
[17:27:19.390]                           restarts <- computeRestarts(cond)
[17:27:19.390]                           for (restart in restarts) {
[17:27:19.390]                             name <- restart$name
[17:27:19.390]                             if (is.null(name)) 
[17:27:19.390]                               next
[17:27:19.390]                             if (!grepl(pattern, name)) 
[17:27:19.390]                               next
[17:27:19.390]                             invokeRestart(restart)
[17:27:19.390]                             muffled <- TRUE
[17:27:19.390]                             break
[17:27:19.390]                           }
[17:27:19.390]                         }
[17:27:19.390]                       }
[17:27:19.390]                       invisible(muffled)
[17:27:19.390]                     }
[17:27:19.390]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.390]                   }
[17:27:19.390]                 }
[17:27:19.390]                 else {
[17:27:19.390]                   if (TRUE) {
[17:27:19.390]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.390]                     {
[17:27:19.390]                       inherits <- base::inherits
[17:27:19.390]                       invokeRestart <- base::invokeRestart
[17:27:19.390]                       is.null <- base::is.null
[17:27:19.390]                       muffled <- FALSE
[17:27:19.390]                       if (inherits(cond, "message")) {
[17:27:19.390]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.390]                         if (muffled) 
[17:27:19.390]                           invokeRestart("muffleMessage")
[17:27:19.390]                       }
[17:27:19.390]                       else if (inherits(cond, "warning")) {
[17:27:19.390]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.390]                         if (muffled) 
[17:27:19.390]                           invokeRestart("muffleWarning")
[17:27:19.390]                       }
[17:27:19.390]                       else if (inherits(cond, "condition")) {
[17:27:19.390]                         if (!is.null(pattern)) {
[17:27:19.390]                           computeRestarts <- base::computeRestarts
[17:27:19.390]                           grepl <- base::grepl
[17:27:19.390]                           restarts <- computeRestarts(cond)
[17:27:19.390]                           for (restart in restarts) {
[17:27:19.390]                             name <- restart$name
[17:27:19.390]                             if (is.null(name)) 
[17:27:19.390]                               next
[17:27:19.390]                             if (!grepl(pattern, name)) 
[17:27:19.390]                               next
[17:27:19.390]                             invokeRestart(restart)
[17:27:19.390]                             muffled <- TRUE
[17:27:19.390]                             break
[17:27:19.390]                           }
[17:27:19.390]                         }
[17:27:19.390]                       }
[17:27:19.390]                       invisible(muffled)
[17:27:19.390]                     }
[17:27:19.390]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.390]                   }
[17:27:19.390]                 }
[17:27:19.390]             }
[17:27:19.390]         }))
[17:27:19.390]     }, error = function(ex) {
[17:27:19.390]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:19.390]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.390]                 ...future.rng), started = ...future.startTime, 
[17:27:19.390]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:19.390]             version = "1.8"), class = "FutureResult")
[17:27:19.390]     }, finally = {
[17:27:19.390]         if (!identical(...future.workdir, getwd())) 
[17:27:19.390]             setwd(...future.workdir)
[17:27:19.390]         {
[17:27:19.390]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:19.390]                 ...future.oldOptions$nwarnings <- NULL
[17:27:19.390]             }
[17:27:19.390]             base::options(...future.oldOptions)
[17:27:19.390]             if (.Platform$OS.type == "windows") {
[17:27:19.390]                 old_names <- names(...future.oldEnvVars)
[17:27:19.390]                 envs <- base::Sys.getenv()
[17:27:19.390]                 names <- names(envs)
[17:27:19.390]                 common <- intersect(names, old_names)
[17:27:19.390]                 added <- setdiff(names, old_names)
[17:27:19.390]                 removed <- setdiff(old_names, names)
[17:27:19.390]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:19.390]                   envs[common]]
[17:27:19.390]                 NAMES <- toupper(changed)
[17:27:19.390]                 args <- list()
[17:27:19.390]                 for (kk in seq_along(NAMES)) {
[17:27:19.390]                   name <- changed[[kk]]
[17:27:19.390]                   NAME <- NAMES[[kk]]
[17:27:19.390]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.390]                     next
[17:27:19.390]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.390]                 }
[17:27:19.390]                 NAMES <- toupper(added)
[17:27:19.390]                 for (kk in seq_along(NAMES)) {
[17:27:19.390]                   name <- added[[kk]]
[17:27:19.390]                   NAME <- NAMES[[kk]]
[17:27:19.390]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.390]                     next
[17:27:19.390]                   args[[name]] <- ""
[17:27:19.390]                 }
[17:27:19.390]                 NAMES <- toupper(removed)
[17:27:19.390]                 for (kk in seq_along(NAMES)) {
[17:27:19.390]                   name <- removed[[kk]]
[17:27:19.390]                   NAME <- NAMES[[kk]]
[17:27:19.390]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.390]                     next
[17:27:19.390]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.390]                 }
[17:27:19.390]                 if (length(args) > 0) 
[17:27:19.390]                   base::do.call(base::Sys.setenv, args = args)
[17:27:19.390]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:19.390]             }
[17:27:19.390]             else {
[17:27:19.390]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:19.390]             }
[17:27:19.390]             {
[17:27:19.390]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:19.390]                   0L) {
[17:27:19.390]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:19.390]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:19.390]                   base::options(opts)
[17:27:19.390]                 }
[17:27:19.390]                 {
[17:27:19.390]                   {
[17:27:19.390]                     NULL
[17:27:19.390]                     RNGkind("Mersenne-Twister")
[17:27:19.390]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:27:19.390]                       inherits = FALSE)
[17:27:19.390]                   }
[17:27:19.390]                   options(future.plan = NULL)
[17:27:19.390]                   if (is.na(NA_character_)) 
[17:27:19.390]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.390]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:19.390]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:19.390]                     .init = FALSE)
[17:27:19.390]                 }
[17:27:19.390]             }
[17:27:19.390]         }
[17:27:19.390]     })
[17:27:19.390]     if (TRUE) {
[17:27:19.390]         base::sink(type = "output", split = FALSE)
[17:27:19.390]         if (TRUE) {
[17:27:19.390]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:19.390]         }
[17:27:19.390]         else {
[17:27:19.390]             ...future.result["stdout"] <- base::list(NULL)
[17:27:19.390]         }
[17:27:19.390]         base::close(...future.stdout)
[17:27:19.390]         ...future.stdout <- NULL
[17:27:19.390]     }
[17:27:19.390]     ...future.result$conditions <- ...future.conditions
[17:27:19.390]     ...future.result$finished <- base::Sys.time()
[17:27:19.390]     ...future.result
[17:27:19.390] }
[17:27:19.397] assign_globals() ...
[17:27:19.397] List of 1
[17:27:19.397]  $ a: num 1
[17:27:19.397]  - attr(*, "where")=List of 1
[17:27:19.397]   ..$ a:<environment: R_EmptyEnv> 
[17:27:19.397]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:27:19.397]  - attr(*, "resolved")= logi FALSE
[17:27:19.397]  - attr(*, "total_size")= int 39
[17:27:19.397]  - attr(*, "already-done")= logi TRUE
[17:27:19.403] - copied 'a' to environment
[17:27:19.403] assign_globals() ... done
[17:27:19.404] plan(): Setting new future strategy stack:
[17:27:19.404] List of future strategies:
[17:27:19.404] 1. sequential:
[17:27:19.404]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.404]    - tweaked: FALSE
[17:27:19.404]    - call: NULL
[17:27:19.406] plan(): nbrOfWorkers() = 1
[17:27:19.408] plan(): Setting new future strategy stack:
[17:27:19.408] List of future strategies:
[17:27:19.408] 1. sequential:
[17:27:19.408]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.408]    - tweaked: FALSE
[17:27:19.408]    - call: plan(strategy)
[17:27:19.409] plan(): nbrOfWorkers() = 1
[17:27:19.410] SequentialFuture started (and completed)
[17:27:19.410] - Launch lazy future ... done
[17:27:19.410] run() for 'SequentialFuture' ... done
[17:27:19.411] getGlobalsAndPackages() ...
[17:27:19.411] Searching for globals...
[17:27:19.413] - globals found: [3] '{', '*', 'a'
[17:27:19.414] Searching for globals ... DONE
[17:27:19.414] Resolving globals: FALSE
[17:27:19.415] The total size of the 1 globals is 39 bytes (39 bytes)
[17:27:19.415] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 39 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (39 bytes of class 'numeric')
[17:27:19.416] - globals: [1] 'a'
[17:27:19.416] 
[17:27:19.416] getGlobalsAndPackages() ... DONE
[17:27:19.417] run() for 'Future' ...
[17:27:19.417] - state: 'created'
[17:27:19.418] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:27:19.421] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:27:19.422] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:27:19.422]   - Field: 'label'
[17:27:19.422]   - Field: 'local'
[17:27:19.423]   - Field: 'owner'
[17:27:19.423]   - Field: 'envir'
[17:27:19.423]   - Field: 'packages'
[17:27:19.424]   - Field: 'gc'
[17:27:19.424]   - Field: 'conditions'
[17:27:19.424]   - Field: 'expr'
[17:27:19.425]   - Field: 'uuid'
[17:27:19.425]   - Field: 'seed'
[17:27:19.425]   - Field: 'version'
[17:27:19.425]   - Field: 'result'
[17:27:19.426]   - Field: 'asynchronous'
[17:27:19.426]   - Field: 'calls'
[17:27:19.426]   - Field: 'globals'
[17:27:19.427]   - Field: 'stdout'
[17:27:19.427]   - Field: 'earlySignal'
[17:27:19.427]   - Field: 'lazy'
[17:27:19.428]   - Field: 'state'
[17:27:19.428] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:27:19.428] - Launch lazy future ...
[17:27:19.429] Packages needed by the future expression (n = 0): <none>
[17:27:19.429] Packages needed by future strategies (n = 0): <none>
[17:27:19.430] {
[17:27:19.430]     {
[17:27:19.430]         {
[17:27:19.430]             ...future.startTime <- base::Sys.time()
[17:27:19.430]             {
[17:27:19.430]                 {
[17:27:19.430]                   {
[17:27:19.430]                     base::local({
[17:27:19.430]                       has_future <- base::requireNamespace("future", 
[17:27:19.430]                         quietly = TRUE)
[17:27:19.430]                       if (has_future) {
[17:27:19.430]                         ns <- base::getNamespace("future")
[17:27:19.430]                         version <- ns[[".package"]][["version"]]
[17:27:19.430]                         if (is.null(version)) 
[17:27:19.430]                           version <- utils::packageVersion("future")
[17:27:19.430]                       }
[17:27:19.430]                       else {
[17:27:19.430]                         version <- NULL
[17:27:19.430]                       }
[17:27:19.430]                       if (!has_future || version < "1.8.0") {
[17:27:19.430]                         info <- base::c(r_version = base::gsub("R version ", 
[17:27:19.430]                           "", base::R.version$version.string), 
[17:27:19.430]                           platform = base::sprintf("%s (%s-bit)", 
[17:27:19.430]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:19.430]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:19.430]                             "release", "version")], collapse = " "), 
[17:27:19.430]                           hostname = base::Sys.info()[["nodename"]])
[17:27:19.430]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:27:19.430]                           info)
[17:27:19.430]                         info <- base::paste(info, collapse = "; ")
[17:27:19.430]                         if (!has_future) {
[17:27:19.430]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:19.430]                             info)
[17:27:19.430]                         }
[17:27:19.430]                         else {
[17:27:19.430]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:19.430]                             info, version)
[17:27:19.430]                         }
[17:27:19.430]                         base::stop(msg)
[17:27:19.430]                       }
[17:27:19.430]                     })
[17:27:19.430]                   }
[17:27:19.430]                   ...future.strategy.old <- future::plan("list")
[17:27:19.430]                   options(future.plan = NULL)
[17:27:19.430]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.430]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:19.430]                 }
[17:27:19.430]                 ...future.workdir <- getwd()
[17:27:19.430]             }
[17:27:19.430]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:19.430]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:19.430]         }
[17:27:19.430]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:19.430]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:19.430]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:19.430]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:19.430]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:19.430]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:19.430]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:19.430]             base::names(...future.oldOptions))
[17:27:19.430]     }
[17:27:19.430]     if (FALSE) {
[17:27:19.430]     }
[17:27:19.430]     else {
[17:27:19.430]         if (TRUE) {
[17:27:19.430]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:19.430]                 open = "w")
[17:27:19.430]         }
[17:27:19.430]         else {
[17:27:19.430]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:19.430]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:19.430]         }
[17:27:19.430]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:19.430]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:19.430]             base::sink(type = "output", split = FALSE)
[17:27:19.430]             base::close(...future.stdout)
[17:27:19.430]         }, add = TRUE)
[17:27:19.430]     }
[17:27:19.430]     ...future.frame <- base::sys.nframe()
[17:27:19.430]     ...future.conditions <- base::list()
[17:27:19.430]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:19.430]     if (FALSE) {
[17:27:19.430]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:19.430]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:19.430]     }
[17:27:19.430]     ...future.result <- base::tryCatch({
[17:27:19.430]         base::withCallingHandlers({
[17:27:19.430]             ...future.value <- base::withVisible(base::local({
[17:27:19.430]                 2 * a
[17:27:19.430]             }))
[17:27:19.430]             future::FutureResult(value = ...future.value$value, 
[17:27:19.430]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.430]                   ...future.rng), globalenv = if (FALSE) 
[17:27:19.430]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:19.430]                     ...future.globalenv.names))
[17:27:19.430]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:19.430]         }, condition = base::local({
[17:27:19.430]             c <- base::c
[17:27:19.430]             inherits <- base::inherits
[17:27:19.430]             invokeRestart <- base::invokeRestart
[17:27:19.430]             length <- base::length
[17:27:19.430]             list <- base::list
[17:27:19.430]             seq.int <- base::seq.int
[17:27:19.430]             signalCondition <- base::signalCondition
[17:27:19.430]             sys.calls <- base::sys.calls
[17:27:19.430]             `[[` <- base::`[[`
[17:27:19.430]             `+` <- base::`+`
[17:27:19.430]             `<<-` <- base::`<<-`
[17:27:19.430]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:19.430]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:19.430]                   3L)]
[17:27:19.430]             }
[17:27:19.430]             function(cond) {
[17:27:19.430]                 is_error <- inherits(cond, "error")
[17:27:19.430]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:19.430]                   NULL)
[17:27:19.430]                 if (is_error) {
[17:27:19.430]                   sessionInformation <- function() {
[17:27:19.430]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:19.430]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:19.430]                       search = base::search(), system = base::Sys.info())
[17:27:19.430]                   }
[17:27:19.430]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.430]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:19.430]                     cond$call), session = sessionInformation(), 
[17:27:19.430]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:19.430]                   signalCondition(cond)
[17:27:19.430]                 }
[17:27:19.430]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:19.430]                 "immediateCondition"))) {
[17:27:19.430]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:19.430]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.430]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:19.430]                   if (TRUE && !signal) {
[17:27:19.430]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.430]                     {
[17:27:19.430]                       inherits <- base::inherits
[17:27:19.430]                       invokeRestart <- base::invokeRestart
[17:27:19.430]                       is.null <- base::is.null
[17:27:19.430]                       muffled <- FALSE
[17:27:19.430]                       if (inherits(cond, "message")) {
[17:27:19.430]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.430]                         if (muffled) 
[17:27:19.430]                           invokeRestart("muffleMessage")
[17:27:19.430]                       }
[17:27:19.430]                       else if (inherits(cond, "warning")) {
[17:27:19.430]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.430]                         if (muffled) 
[17:27:19.430]                           invokeRestart("muffleWarning")
[17:27:19.430]                       }
[17:27:19.430]                       else if (inherits(cond, "condition")) {
[17:27:19.430]                         if (!is.null(pattern)) {
[17:27:19.430]                           computeRestarts <- base::computeRestarts
[17:27:19.430]                           grepl <- base::grepl
[17:27:19.430]                           restarts <- computeRestarts(cond)
[17:27:19.430]                           for (restart in restarts) {
[17:27:19.430]                             name <- restart$name
[17:27:19.430]                             if (is.null(name)) 
[17:27:19.430]                               next
[17:27:19.430]                             if (!grepl(pattern, name)) 
[17:27:19.430]                               next
[17:27:19.430]                             invokeRestart(restart)
[17:27:19.430]                             muffled <- TRUE
[17:27:19.430]                             break
[17:27:19.430]                           }
[17:27:19.430]                         }
[17:27:19.430]                       }
[17:27:19.430]                       invisible(muffled)
[17:27:19.430]                     }
[17:27:19.430]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.430]                   }
[17:27:19.430]                 }
[17:27:19.430]                 else {
[17:27:19.430]                   if (TRUE) {
[17:27:19.430]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.430]                     {
[17:27:19.430]                       inherits <- base::inherits
[17:27:19.430]                       invokeRestart <- base::invokeRestart
[17:27:19.430]                       is.null <- base::is.null
[17:27:19.430]                       muffled <- FALSE
[17:27:19.430]                       if (inherits(cond, "message")) {
[17:27:19.430]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.430]                         if (muffled) 
[17:27:19.430]                           invokeRestart("muffleMessage")
[17:27:19.430]                       }
[17:27:19.430]                       else if (inherits(cond, "warning")) {
[17:27:19.430]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.430]                         if (muffled) 
[17:27:19.430]                           invokeRestart("muffleWarning")
[17:27:19.430]                       }
[17:27:19.430]                       else if (inherits(cond, "condition")) {
[17:27:19.430]                         if (!is.null(pattern)) {
[17:27:19.430]                           computeRestarts <- base::computeRestarts
[17:27:19.430]                           grepl <- base::grepl
[17:27:19.430]                           restarts <- computeRestarts(cond)
[17:27:19.430]                           for (restart in restarts) {
[17:27:19.430]                             name <- restart$name
[17:27:19.430]                             if (is.null(name)) 
[17:27:19.430]                               next
[17:27:19.430]                             if (!grepl(pattern, name)) 
[17:27:19.430]                               next
[17:27:19.430]                             invokeRestart(restart)
[17:27:19.430]                             muffled <- TRUE
[17:27:19.430]                             break
[17:27:19.430]                           }
[17:27:19.430]                         }
[17:27:19.430]                       }
[17:27:19.430]                       invisible(muffled)
[17:27:19.430]                     }
[17:27:19.430]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.430]                   }
[17:27:19.430]                 }
[17:27:19.430]             }
[17:27:19.430]         }))
[17:27:19.430]     }, error = function(ex) {
[17:27:19.430]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:19.430]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.430]                 ...future.rng), started = ...future.startTime, 
[17:27:19.430]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:19.430]             version = "1.8"), class = "FutureResult")
[17:27:19.430]     }, finally = {
[17:27:19.430]         if (!identical(...future.workdir, getwd())) 
[17:27:19.430]             setwd(...future.workdir)
[17:27:19.430]         {
[17:27:19.430]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:19.430]                 ...future.oldOptions$nwarnings <- NULL
[17:27:19.430]             }
[17:27:19.430]             base::options(...future.oldOptions)
[17:27:19.430]             if (.Platform$OS.type == "windows") {
[17:27:19.430]                 old_names <- names(...future.oldEnvVars)
[17:27:19.430]                 envs <- base::Sys.getenv()
[17:27:19.430]                 names <- names(envs)
[17:27:19.430]                 common <- intersect(names, old_names)
[17:27:19.430]                 added <- setdiff(names, old_names)
[17:27:19.430]                 removed <- setdiff(old_names, names)
[17:27:19.430]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:19.430]                   envs[common]]
[17:27:19.430]                 NAMES <- toupper(changed)
[17:27:19.430]                 args <- list()
[17:27:19.430]                 for (kk in seq_along(NAMES)) {
[17:27:19.430]                   name <- changed[[kk]]
[17:27:19.430]                   NAME <- NAMES[[kk]]
[17:27:19.430]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.430]                     next
[17:27:19.430]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.430]                 }
[17:27:19.430]                 NAMES <- toupper(added)
[17:27:19.430]                 for (kk in seq_along(NAMES)) {
[17:27:19.430]                   name <- added[[kk]]
[17:27:19.430]                   NAME <- NAMES[[kk]]
[17:27:19.430]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.430]                     next
[17:27:19.430]                   args[[name]] <- ""
[17:27:19.430]                 }
[17:27:19.430]                 NAMES <- toupper(removed)
[17:27:19.430]                 for (kk in seq_along(NAMES)) {
[17:27:19.430]                   name <- removed[[kk]]
[17:27:19.430]                   NAME <- NAMES[[kk]]
[17:27:19.430]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.430]                     next
[17:27:19.430]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.430]                 }
[17:27:19.430]                 if (length(args) > 0) 
[17:27:19.430]                   base::do.call(base::Sys.setenv, args = args)
[17:27:19.430]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:19.430]             }
[17:27:19.430]             else {
[17:27:19.430]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:19.430]             }
[17:27:19.430]             {
[17:27:19.430]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:19.430]                   0L) {
[17:27:19.430]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:19.430]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:19.430]                   base::options(opts)
[17:27:19.430]                 }
[17:27:19.430]                 {
[17:27:19.430]                   {
[17:27:19.430]                     NULL
[17:27:19.430]                     RNGkind("Mersenne-Twister")
[17:27:19.430]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:27:19.430]                       inherits = FALSE)
[17:27:19.430]                   }
[17:27:19.430]                   options(future.plan = NULL)
[17:27:19.430]                   if (is.na(NA_character_)) 
[17:27:19.430]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.430]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:19.430]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:19.430]                     .init = FALSE)
[17:27:19.430]                 }
[17:27:19.430]             }
[17:27:19.430]         }
[17:27:19.430]     })
[17:27:19.430]     if (TRUE) {
[17:27:19.430]         base::sink(type = "output", split = FALSE)
[17:27:19.430]         if (TRUE) {
[17:27:19.430]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:19.430]         }
[17:27:19.430]         else {
[17:27:19.430]             ...future.result["stdout"] <- base::list(NULL)
[17:27:19.430]         }
[17:27:19.430]         base::close(...future.stdout)
[17:27:19.430]         ...future.stdout <- NULL
[17:27:19.430]     }
[17:27:19.430]     ...future.result$conditions <- ...future.conditions
[17:27:19.430]     ...future.result$finished <- base::Sys.time()
[17:27:19.430]     ...future.result
[17:27:19.430] }
[17:27:19.436] assign_globals() ...
[17:27:19.436] List of 1
[17:27:19.436]  $ a: num 1
[17:27:19.436]  - attr(*, "where")=List of 1
[17:27:19.436]   ..$ a:<environment: R_EmptyEnv> 
[17:27:19.436]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:27:19.436]  - attr(*, "resolved")= logi FALSE
[17:27:19.436]  - attr(*, "total_size")= int 39
[17:27:19.436]  - attr(*, "already-done")= logi TRUE
[17:27:19.444] - copied 'a' to environment
[17:27:19.444] assign_globals() ... done
[17:27:19.445] plan(): Setting new future strategy stack:
[17:27:19.445] List of future strategies:
[17:27:19.445] 1. sequential:
[17:27:19.445]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.445]    - tweaked: FALSE
[17:27:19.445]    - call: NULL
[17:27:19.446] plan(): nbrOfWorkers() = 1
[17:27:19.448] plan(): Setting new future strategy stack:
[17:27:19.449] List of future strategies:
[17:27:19.449] 1. sequential:
[17:27:19.449]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.449]    - tweaked: FALSE
[17:27:19.449]    - call: plan(strategy)
[17:27:19.451] plan(): nbrOfWorkers() = 1
[17:27:19.452] SequentialFuture started (and completed)
[17:27:19.452] - Launch lazy future ... done
[17:27:19.452] run() for 'SequentialFuture' ... done
[17:27:19.453] getGlobalsAndPackages() ...
[17:27:19.453] Searching for globals...
[17:27:19.456] - globals found: [3] '{', '*', 'a'
[17:27:19.456] Searching for globals ... DONE
[17:27:19.457] Resolving globals: FALSE
[17:27:19.458] The total size of the 1 globals is 39 bytes (39 bytes)
[17:27:19.459] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 39 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (39 bytes of class 'numeric')
[17:27:19.459] - globals: [1] 'a'
[17:27:19.460] 
[17:27:19.460] getGlobalsAndPackages() ... DONE
[17:27:19.461] run() for 'Future' ...
[17:27:19.461] - state: 'created'
[17:27:19.462] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:27:19.462] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:27:19.463] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:27:19.463]   - Field: 'label'
[17:27:19.463]   - Field: 'local'
[17:27:19.464]   - Field: 'owner'
[17:27:19.464]   - Field: 'envir'
[17:27:19.464]   - Field: 'packages'
[17:27:19.465]   - Field: 'gc'
[17:27:19.465]   - Field: 'conditions'
[17:27:19.466]   - Field: 'expr'
[17:27:19.466]   - Field: 'uuid'
[17:27:19.466]   - Field: 'seed'
[17:27:19.467]   - Field: 'version'
[17:27:19.467]   - Field: 'result'
[17:27:19.467]   - Field: 'asynchronous'
[17:27:19.468]   - Field: 'calls'
[17:27:19.468]   - Field: 'globals'
[17:27:19.468]   - Field: 'stdout'
[17:27:19.469]   - Field: 'earlySignal'
[17:27:19.469]   - Field: 'lazy'
[17:27:19.470]   - Field: 'state'
[17:27:19.470] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:27:19.470] - Launch lazy future ...
[17:27:19.471] Packages needed by the future expression (n = 0): <none>
[17:27:19.471] Packages needed by future strategies (n = 0): <none>
[17:27:19.472] {
[17:27:19.472]     {
[17:27:19.472]         {
[17:27:19.472]             ...future.startTime <- base::Sys.time()
[17:27:19.472]             {
[17:27:19.472]                 {
[17:27:19.472]                   {
[17:27:19.472]                     base::local({
[17:27:19.472]                       has_future <- base::requireNamespace("future", 
[17:27:19.472]                         quietly = TRUE)
[17:27:19.472]                       if (has_future) {
[17:27:19.472]                         ns <- base::getNamespace("future")
[17:27:19.472]                         version <- ns[[".package"]][["version"]]
[17:27:19.472]                         if (is.null(version)) 
[17:27:19.472]                           version <- utils::packageVersion("future")
[17:27:19.472]                       }
[17:27:19.472]                       else {
[17:27:19.472]                         version <- NULL
[17:27:19.472]                       }
[17:27:19.472]                       if (!has_future || version < "1.8.0") {
[17:27:19.472]                         info <- base::c(r_version = base::gsub("R version ", 
[17:27:19.472]                           "", base::R.version$version.string), 
[17:27:19.472]                           platform = base::sprintf("%s (%s-bit)", 
[17:27:19.472]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:19.472]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:19.472]                             "release", "version")], collapse = " "), 
[17:27:19.472]                           hostname = base::Sys.info()[["nodename"]])
[17:27:19.472]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:27:19.472]                           info)
[17:27:19.472]                         info <- base::paste(info, collapse = "; ")
[17:27:19.472]                         if (!has_future) {
[17:27:19.472]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:19.472]                             info)
[17:27:19.472]                         }
[17:27:19.472]                         else {
[17:27:19.472]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:19.472]                             info, version)
[17:27:19.472]                         }
[17:27:19.472]                         base::stop(msg)
[17:27:19.472]                       }
[17:27:19.472]                     })
[17:27:19.472]                   }
[17:27:19.472]                   ...future.strategy.old <- future::plan("list")
[17:27:19.472]                   options(future.plan = NULL)
[17:27:19.472]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.472]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:19.472]                 }
[17:27:19.472]                 ...future.workdir <- getwd()
[17:27:19.472]             }
[17:27:19.472]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:19.472]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:19.472]         }
[17:27:19.472]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:19.472]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:19.472]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:19.472]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:19.472]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:19.472]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:19.472]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:19.472]             base::names(...future.oldOptions))
[17:27:19.472]     }
[17:27:19.472]     if (FALSE) {
[17:27:19.472]     }
[17:27:19.472]     else {
[17:27:19.472]         if (TRUE) {
[17:27:19.472]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:19.472]                 open = "w")
[17:27:19.472]         }
[17:27:19.472]         else {
[17:27:19.472]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:19.472]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:19.472]         }
[17:27:19.472]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:19.472]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:19.472]             base::sink(type = "output", split = FALSE)
[17:27:19.472]             base::close(...future.stdout)
[17:27:19.472]         }, add = TRUE)
[17:27:19.472]     }
[17:27:19.472]     ...future.frame <- base::sys.nframe()
[17:27:19.472]     ...future.conditions <- base::list()
[17:27:19.472]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:19.472]     if (FALSE) {
[17:27:19.472]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:19.472]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:19.472]     }
[17:27:19.472]     ...future.result <- base::tryCatch({
[17:27:19.472]         base::withCallingHandlers({
[17:27:19.472]             ...future.value <- base::withVisible(base::local({
[17:27:19.472]                 2 * a
[17:27:19.472]             }))
[17:27:19.472]             future::FutureResult(value = ...future.value$value, 
[17:27:19.472]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.472]                   ...future.rng), globalenv = if (FALSE) 
[17:27:19.472]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:19.472]                     ...future.globalenv.names))
[17:27:19.472]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:19.472]         }, condition = base::local({
[17:27:19.472]             c <- base::c
[17:27:19.472]             inherits <- base::inherits
[17:27:19.472]             invokeRestart <- base::invokeRestart
[17:27:19.472]             length <- base::length
[17:27:19.472]             list <- base::list
[17:27:19.472]             seq.int <- base::seq.int
[17:27:19.472]             signalCondition <- base::signalCondition
[17:27:19.472]             sys.calls <- base::sys.calls
[17:27:19.472]             `[[` <- base::`[[`
[17:27:19.472]             `+` <- base::`+`
[17:27:19.472]             `<<-` <- base::`<<-`
[17:27:19.472]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:19.472]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:19.472]                   3L)]
[17:27:19.472]             }
[17:27:19.472]             function(cond) {
[17:27:19.472]                 is_error <- inherits(cond, "error")
[17:27:19.472]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:19.472]                   NULL)
[17:27:19.472]                 if (is_error) {
[17:27:19.472]                   sessionInformation <- function() {
[17:27:19.472]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:19.472]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:19.472]                       search = base::search(), system = base::Sys.info())
[17:27:19.472]                   }
[17:27:19.472]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.472]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:19.472]                     cond$call), session = sessionInformation(), 
[17:27:19.472]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:19.472]                   signalCondition(cond)
[17:27:19.472]                 }
[17:27:19.472]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:19.472]                 "immediateCondition"))) {
[17:27:19.472]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:19.472]                   ...future.conditions[[length(...future.conditions) + 
[17:27:19.472]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:19.472]                   if (TRUE && !signal) {
[17:27:19.472]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.472]                     {
[17:27:19.472]                       inherits <- base::inherits
[17:27:19.472]                       invokeRestart <- base::invokeRestart
[17:27:19.472]                       is.null <- base::is.null
[17:27:19.472]                       muffled <- FALSE
[17:27:19.472]                       if (inherits(cond, "message")) {
[17:27:19.472]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.472]                         if (muffled) 
[17:27:19.472]                           invokeRestart("muffleMessage")
[17:27:19.472]                       }
[17:27:19.472]                       else if (inherits(cond, "warning")) {
[17:27:19.472]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.472]                         if (muffled) 
[17:27:19.472]                           invokeRestart("muffleWarning")
[17:27:19.472]                       }
[17:27:19.472]                       else if (inherits(cond, "condition")) {
[17:27:19.472]                         if (!is.null(pattern)) {
[17:27:19.472]                           computeRestarts <- base::computeRestarts
[17:27:19.472]                           grepl <- base::grepl
[17:27:19.472]                           restarts <- computeRestarts(cond)
[17:27:19.472]                           for (restart in restarts) {
[17:27:19.472]                             name <- restart$name
[17:27:19.472]                             if (is.null(name)) 
[17:27:19.472]                               next
[17:27:19.472]                             if (!grepl(pattern, name)) 
[17:27:19.472]                               next
[17:27:19.472]                             invokeRestart(restart)
[17:27:19.472]                             muffled <- TRUE
[17:27:19.472]                             break
[17:27:19.472]                           }
[17:27:19.472]                         }
[17:27:19.472]                       }
[17:27:19.472]                       invisible(muffled)
[17:27:19.472]                     }
[17:27:19.472]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.472]                   }
[17:27:19.472]                 }
[17:27:19.472]                 else {
[17:27:19.472]                   if (TRUE) {
[17:27:19.472]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:19.472]                     {
[17:27:19.472]                       inherits <- base::inherits
[17:27:19.472]                       invokeRestart <- base::invokeRestart
[17:27:19.472]                       is.null <- base::is.null
[17:27:19.472]                       muffled <- FALSE
[17:27:19.472]                       if (inherits(cond, "message")) {
[17:27:19.472]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:19.472]                         if (muffled) 
[17:27:19.472]                           invokeRestart("muffleMessage")
[17:27:19.472]                       }
[17:27:19.472]                       else if (inherits(cond, "warning")) {
[17:27:19.472]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:19.472]                         if (muffled) 
[17:27:19.472]                           invokeRestart("muffleWarning")
[17:27:19.472]                       }
[17:27:19.472]                       else if (inherits(cond, "condition")) {
[17:27:19.472]                         if (!is.null(pattern)) {
[17:27:19.472]                           computeRestarts <- base::computeRestarts
[17:27:19.472]                           grepl <- base::grepl
[17:27:19.472]                           restarts <- computeRestarts(cond)
[17:27:19.472]                           for (restart in restarts) {
[17:27:19.472]                             name <- restart$name
[17:27:19.472]                             if (is.null(name)) 
[17:27:19.472]                               next
[17:27:19.472]                             if (!grepl(pattern, name)) 
[17:27:19.472]                               next
[17:27:19.472]                             invokeRestart(restart)
[17:27:19.472]                             muffled <- TRUE
[17:27:19.472]                             break
[17:27:19.472]                           }
[17:27:19.472]                         }
[17:27:19.472]                       }
[17:27:19.472]                       invisible(muffled)
[17:27:19.472]                     }
[17:27:19.472]                     muffleCondition(cond, pattern = "^muffle")
[17:27:19.472]                   }
[17:27:19.472]                 }
[17:27:19.472]             }
[17:27:19.472]         }))
[17:27:19.472]     }, error = function(ex) {
[17:27:19.472]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:19.472]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:19.472]                 ...future.rng), started = ...future.startTime, 
[17:27:19.472]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:19.472]             version = "1.8"), class = "FutureResult")
[17:27:19.472]     }, finally = {
[17:27:19.472]         if (!identical(...future.workdir, getwd())) 
[17:27:19.472]             setwd(...future.workdir)
[17:27:19.472]         {
[17:27:19.472]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:19.472]                 ...future.oldOptions$nwarnings <- NULL
[17:27:19.472]             }
[17:27:19.472]             base::options(...future.oldOptions)
[17:27:19.472]             if (.Platform$OS.type == "windows") {
[17:27:19.472]                 old_names <- names(...future.oldEnvVars)
[17:27:19.472]                 envs <- base::Sys.getenv()
[17:27:19.472]                 names <- names(envs)
[17:27:19.472]                 common <- intersect(names, old_names)
[17:27:19.472]                 added <- setdiff(names, old_names)
[17:27:19.472]                 removed <- setdiff(old_names, names)
[17:27:19.472]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:19.472]                   envs[common]]
[17:27:19.472]                 NAMES <- toupper(changed)
[17:27:19.472]                 args <- list()
[17:27:19.472]                 for (kk in seq_along(NAMES)) {
[17:27:19.472]                   name <- changed[[kk]]
[17:27:19.472]                   NAME <- NAMES[[kk]]
[17:27:19.472]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.472]                     next
[17:27:19.472]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.472]                 }
[17:27:19.472]                 NAMES <- toupper(added)
[17:27:19.472]                 for (kk in seq_along(NAMES)) {
[17:27:19.472]                   name <- added[[kk]]
[17:27:19.472]                   NAME <- NAMES[[kk]]
[17:27:19.472]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.472]                     next
[17:27:19.472]                   args[[name]] <- ""
[17:27:19.472]                 }
[17:27:19.472]                 NAMES <- toupper(removed)
[17:27:19.472]                 for (kk in seq_along(NAMES)) {
[17:27:19.472]                   name <- removed[[kk]]
[17:27:19.472]                   NAME <- NAMES[[kk]]
[17:27:19.472]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:19.472]                     next
[17:27:19.472]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:19.472]                 }
[17:27:19.472]                 if (length(args) > 0) 
[17:27:19.472]                   base::do.call(base::Sys.setenv, args = args)
[17:27:19.472]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:19.472]             }
[17:27:19.472]             else {
[17:27:19.472]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:19.472]             }
[17:27:19.472]             {
[17:27:19.472]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:19.472]                   0L) {
[17:27:19.472]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:19.472]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:19.472]                   base::options(opts)
[17:27:19.472]                 }
[17:27:19.472]                 {
[17:27:19.472]                   {
[17:27:19.472]                     NULL
[17:27:19.472]                     RNGkind("Mersenne-Twister")
[17:27:19.472]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:27:19.472]                       inherits = FALSE)
[17:27:19.472]                   }
[17:27:19.472]                   options(future.plan = NULL)
[17:27:19.472]                   if (is.na(NA_character_)) 
[17:27:19.472]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:19.472]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:19.472]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:19.472]                     .init = FALSE)
[17:27:19.472]                 }
[17:27:19.472]             }
[17:27:19.472]         }
[17:27:19.472]     })
[17:27:19.472]     if (TRUE) {
[17:27:19.472]         base::sink(type = "output", split = FALSE)
[17:27:19.472]         if (TRUE) {
[17:27:19.472]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:19.472]         }
[17:27:19.472]         else {
[17:27:19.472]             ...future.result["stdout"] <- base::list(NULL)
[17:27:19.472]         }
[17:27:19.472]         base::close(...future.stdout)
[17:27:19.472]         ...future.stdout <- NULL
[17:27:19.472]     }
[17:27:19.472]     ...future.result$conditions <- ...future.conditions
[17:27:19.472]     ...future.result$finished <- base::Sys.time()
[17:27:19.472]     ...future.result
[17:27:19.472] }
[17:27:19.479] assign_globals() ...
[17:27:19.480] List of 1
[17:27:19.480]  $ a: num 1
[17:27:19.480]  - attr(*, "where")=List of 1
[17:27:19.480]   ..$ a:<environment: R_EmptyEnv> 
[17:27:19.480]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[17:27:19.480]  - attr(*, "resolved")= logi FALSE
[17:27:19.480]  - attr(*, "total_size")= int 39
[17:27:19.480]  - attr(*, "already-done")= logi TRUE
[17:27:19.486] - copied 'a' to environment
[17:27:19.486] assign_globals() ... done
[17:27:19.487] plan(): Setting new future strategy stack:
[17:27:19.487] List of future strategies:
[17:27:19.487] 1. sequential:
[17:27:19.487]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.487]    - tweaked: FALSE
[17:27:19.487]    - call: NULL
[17:27:19.489] plan(): nbrOfWorkers() = 1
[17:27:19.495] plan(): Setting new future strategy stack:
[17:27:19.495] List of future strategies:
[17:27:19.495] 1. sequential:
[17:27:19.495]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:19.495]    - tweaked: FALSE
[17:27:19.495]    - call: plan(strategy)
[17:27:19.496] plan(): nbrOfWorkers() = 1
[17:27:19.497] SequentialFuture started (and completed)
[17:27:19.497] - Launch lazy future ... done
[17:27:19.498] run() for 'SequentialFuture' ... done
*** futureAssign() with 'sequential' futures ... DONE
Testing with 1 cores ... DONE
Testing with 2 cores ...
*** futureAssign() with 'multisession' futures ...
[17:27:19.510] plan(): Setting new future strategy stack:
[17:27:19.510] List of future strategies:
[17:27:19.510] 1. multisession:
[17:27:19.510]    - args: function (..., workers = availableCores(), lazy = FALSE, rscript_libs = .libPaths(), envir = parent.frame())
[17:27:19.510]    - tweaked: FALSE
[17:27:19.510]    - call: plan(strategy)
[17:27:19.511] plan(): plan_init() of 'multisession', 'cluster', 'multiprocess', 'future', 'function' ...
[17:27:19.511] multisession:
[17:27:19.511] - args: function (..., workers = availableCores(), lazy = FALSE, rscript_libs = .libPaths(), envir = parent.frame())
[17:27:19.511] - tweaked: FALSE
[17:27:19.511] - call: plan(strategy)
[17:27:19.517] getGlobalsAndPackages() ...
[17:27:19.517] Not searching for globals
[17:27:19.518] - globals: [0] <none>
[17:27:19.518] getGlobalsAndPackages() ... DONE
[17:27:19.519] [local output] makeClusterPSOCK() ...
[17:27:19.587] [local output] Workers: [n = 2] 'localhost', 'localhost'
[17:27:19.595] [local output] Base port: 24266
[17:27:19.596] [local output] Getting setup options for 2 cluster nodes ...
[17:27:19.596] [local output]  - Node #1 of 2 ...
[17:27:19.597] [local output] localMachine=TRUE => revtunnel=FALSE

[17:27:19.599] Testing if worker's PID can be inferred: '"D:/RCompile/recent/R/bin/x64/Rscript" -e "try(suppressWarnings(cat(Sys.getpid(),file=\"D:/temp/RtmpykI43s/worker.rank=1.parallelly.parent=32444.7ebc5e4f17f6.pid\")), silent = TRUE)" -e "file.exists(\"D:/temp/RtmpykI43s/worker.rank=1.parallelly.parent=32444.7ebc5e4f17f6.pid\")"'
[17:27:19.939] - Possible to infer worker's PID: TRUE
[17:27:19.940] [local output] Rscript port: 24266

[17:27:19.941] [local output]  - Node #2 of 2 ...
[17:27:19.942] [local output] localMachine=TRUE => revtunnel=FALSE

[17:27:19.944] [local output] Rscript port: 24266

[17:27:19.945] [local output] Getting setup options for 2 cluster nodes ... done
[17:27:19.945] [local output]  - Parallel setup requested for some PSOCK nodes
[17:27:19.946] [local output] Setting up PSOCK nodes in parallel
[17:27:19.947] List of 36
[17:27:19.947]  $ worker          : chr "localhost"
[17:27:19.947]   ..- attr(*, "localhost")= logi TRUE
[17:27:19.947]  $ master          : chr "localhost"
[17:27:19.947]  $ port            : int 24266
[17:27:19.947]  $ connectTimeout  : num 120
[17:27:19.947]  $ timeout         : num 120
[17:27:19.947]  $ rscript         : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\""
[17:27:19.947]  $ homogeneous     : logi TRUE
[17:27:19.947]  $ rscript_args    : chr "--default-packages=datasets,utils,grDevices,graphics,stats,methods -e \"#label=futureAssign.R:32444:CRANWIN3:CR"| __truncated__
[17:27:19.947]  $ rscript_envs    : NULL
[17:27:19.947]  $ rscript_libs    : chr [1:2] "D:/temp/RtmpsXpk4j/RLIBS_1097c668d2fda" "D:/RCompile/recent/R/library"
[17:27:19.947]  $ rscript_startup : NULL
[17:27:19.947]  $ rscript_sh      : chr [1:2] "cmd" "cmd"
[17:27:19.947]  $ default_packages: chr [1:6] "datasets" "utils" "grDevices" "graphics" ...
[17:27:19.947]  $ methods         : logi TRUE
[17:27:19.947]  $ socketOptions   : chr "no-delay"
[17:27:19.947]  $ useXDR          : logi FALSE
[17:27:19.947]  $ outfile         : chr "/dev/null"
[17:27:19.947]  $ renice          : int NA
[17:27:19.947]  $ rshcmd          : NULL
[17:27:19.947]  $ user            : chr(0) 
[17:27:19.947]  $ revtunnel       : logi FALSE
[17:27:19.947]  $ rshlogfile      : NULL
[17:27:19.947]  $ rshopts         : chr(0) 
[17:27:19.947]  $ rank            : int 1
[17:27:19.947]  $ manual          : logi FALSE
[17:27:19.947]  $ dryrun          : logi FALSE
[17:27:19.947]  $ quiet           : logi FALSE
[17:27:19.947]  $ setup_strategy  : chr "parallel"
[17:27:19.947]  $ local_cmd       : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "| __truncated__
[17:27:19.947]  $ pidfile         : chr "D:/temp/RtmpykI43s/worker.rank=1.parallelly.parent=32444.7ebc5e4f17f6.pid"
[17:27:19.947]  $ rshcmd_label    : NULL
[17:27:19.947]  $ rsh_call        : NULL
[17:27:19.947]  $ cmd             : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "| __truncated__
[17:27:19.947]  $ localMachine    : logi TRUE
[17:27:19.947]  $ make_fcn        :function (worker = getOption2("parallelly.localhost.hostname", "localhost"), 
[17:27:19.947]     master = NULL, port, connectTimeout = getOption2("parallelly.makeNodePSOCK.connectTimeout", 
[17:27:19.947]         2 * 60), timeout = getOption2("parallelly.makeNodePSOCK.timeout", 
[17:27:19.947]         30 * 24 * 60 * 60), rscript = NULL, homogeneous = NULL, rscript_args = NULL, 
[17:27:19.947]     rscript_envs = NULL, rscript_libs = NULL, rscript_startup = NULL, rscript_sh = c("auto", 
[17:27:19.947]         "cmd", "sh", "none"), default_packages = c("datasets", "utils", 
[17:27:19.947]         "grDevices", "graphics", "stats", if (methods) "methods"), methods = TRUE, 
[17:27:19.947]     socketOptions = getOption2("parallelly.makeNodePSOCK.socketOptions", 
[17:27:19.947]         "no-delay"), useXDR = getOption2("parallelly.makeNodePSOCK.useXDR", 
[17:27:19.947]         FALSE), outfile = "/dev/null", renice = NA_integer_, rshcmd = getOption2("parallelly.makeNodePSOCK.rshcmd", 
[17:27:19.947]         NULL), user = NULL, revtunnel = NA, rshlogfile = NULL, rshopts = getOption2("parallelly.makeNodePSOCK.rshopts", 
[17:27:19.947]         NULL), rank = 1L, manual = FALSE, dryrun = FALSE, quiet = FALSE, 
[17:27:19.947]     setup_strategy = getOption2("parallelly.makeNodePSOCK.setup_strategy", 
[17:27:19.947]         "parallel"), action = c("launch", "options"), verbose = FALSE)  
[17:27:19.947]  $ arguments       :List of 28
[17:27:19.947]   ..$ worker          : chr "localhost"
[17:27:19.947]   ..$ master          : NULL
[17:27:19.947]   ..$ port            : int 24266
[17:27:19.947]   ..$ connectTimeout  : num 120
[17:27:19.947]   ..$ timeout         : num 120
[17:27:19.947]   ..$ rscript         : NULL
[17:27:19.947]   ..$ homogeneous     : NULL
[17:27:19.947]   ..$ rscript_args    : NULL
[17:27:19.947]   ..$ rscript_envs    : NULL
[17:27:19.947]   ..$ rscript_libs    : chr [1:2] "D:/temp/RtmpsXpk4j/RLIBS_1097c668d2fda" "D:/RCompile/recent/R/library"
[17:27:19.947]   ..$ rscript_startup : NULL
[17:27:19.947]   ..$ rscript_sh      : chr "auto"
[17:27:19.947]   ..$ default_packages: chr [1:6] "datasets" "utils" "grDevices" "graphics" ...
[17:27:19.947]   ..$ methods         : logi TRUE
[17:27:19.947]   ..$ socketOptions   : chr "no-delay"
[17:27:19.947]   ..$ useXDR          : logi FALSE
[17:27:19.947]   ..$ outfile         : chr "/dev/null"
[17:27:19.947]   ..$ renice          : int NA
[17:27:19.947]   ..$ rshcmd          : NULL
[17:27:19.947]   ..$ user            : NULL
[17:27:19.947]   ..$ revtunnel       : logi NA
[17:27:19.947]   ..$ rshlogfile      : NULL
[17:27:19.947]   ..$ rshopts         : NULL
[17:27:19.947]   ..$ rank            : int 1
[17:27:19.947]   ..$ manual          : logi FALSE
[17:27:19.947]   ..$ dryrun          : logi FALSE
[17:27:19.947]   ..$ quiet           : logi FALSE
[17:27:19.947]   ..$ setup_strategy  : chr "parallel"
[17:27:19.947]  - attr(*, "class")= chr [1:2] "makeNodePSOCKOptions" "makeNodeOptions"
[17:27:19.984] [local output] System call to launch all workers:
[17:27:19.984] [local output] "D:/RCompile/recent/R/bin/x64/Rscript" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "#label=futureAssign.R:32444:CRANWIN3:CRAN" -e "try(suppressWarnings(cat(Sys.getpid(),file=\"D:/temp/RtmpykI43s/worker.rank=1.parallelly.parent=32444.7ebc5e4f17f6.pid\")), silent = TRUE)" -e "options(socketOptions = \"no-delay\")" -e ".libPaths(c(\"D:/temp/RtmpsXpk4j/RLIBS_1097c668d2fda\",\"D:/RCompile/recent/R/library\"))" -e "workRSOCK <- tryCatch(parallel:::.workRSOCK, error=function(e) parallel:::.slaveRSOCK); workRSOCK()" MASTER=localhost PORT=24266 OUT=/dev/null TIMEOUT=120 XDR=FALSE SETUPTIMEOUT=120 SETUPSTRATEGY=parallel
[17:27:19.985] [local output] Starting PSOCK main server
[17:27:19.995] [local output] Workers launched
[17:27:19.995] [local output] Waiting for workers to connect back
[17:27:19.995]  - [local output] 0 workers out of 2 ready
[17:27:20.293]  - [local output] 0 workers out of 2 ready
[17:27:20.294]  - [local output] 1 workers out of 2 ready
[17:27:20.295]  - [local output] 2 workers out of 2 ready
[17:27:20.295] [local output] Launching of 2 workers completed
[17:27:20.295] [local output] Number of nodes in cluster: 2
[17:27:20.296] [local output] Collecting session information from 2 workers
[17:27:20.297] [local output]  - Worker #1 of 2
[17:27:20.298] [local output]  - Worker #2 of 2
[17:27:20.298] [local output] makeClusterPSOCK() ... done
[17:27:20.314] Packages needed by the future expression (n = 0): <none>
[17:27:20.315] Packages needed by future strategies (n = 0): <none>
[17:27:20.316] {
[17:27:20.316]     {
[17:27:20.316]         {
[17:27:20.316]             ...future.startTime <- base::Sys.time()
[17:27:20.316]             {
[17:27:20.316]                 {
[17:27:20.316]                   {
[17:27:20.316]                     {
[17:27:20.316]                       base::local({
[17:27:20.316]                         has_future <- base::requireNamespace("future", 
[17:27:20.316]                           quietly = TRUE)
[17:27:20.316]                         if (has_future) {
[17:27:20.316]                           ns <- base::getNamespace("future")
[17:27:20.316]                           version <- ns[[".package"]][["version"]]
[17:27:20.316]                           if (is.null(version)) 
[17:27:20.316]                             version <- utils::packageVersion("future")
[17:27:20.316]                         }
[17:27:20.316]                         else {
[17:27:20.316]                           version <- NULL
[17:27:20.316]                         }
[17:27:20.316]                         if (!has_future || version < "1.8.0") {
[17:27:20.316]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:20.316]                             "", base::R.version$version.string), 
[17:27:20.316]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:20.316]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:20.316]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:20.316]                               "release", "version")], collapse = " "), 
[17:27:20.316]                             hostname = base::Sys.info()[["nodename"]])
[17:27:20.316]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:20.316]                             info)
[17:27:20.316]                           info <- base::paste(info, collapse = "; ")
[17:27:20.316]                           if (!has_future) {
[17:27:20.316]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:20.316]                               info)
[17:27:20.316]                           }
[17:27:20.316]                           else {
[17:27:20.316]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:20.316]                               info, version)
[17:27:20.316]                           }
[17:27:20.316]                           base::stop(msg)
[17:27:20.316]                         }
[17:27:20.316]                       })
[17:27:20.316]                     }
[17:27:20.316]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:20.316]                     base::options(mc.cores = 1L)
[17:27:20.316]                   }
[17:27:20.316]                   ...future.strategy.old <- future::plan("list")
[17:27:20.316]                   options(future.plan = NULL)
[17:27:20.316]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:20.316]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:20.316]                 }
[17:27:20.316]                 ...future.workdir <- getwd()
[17:27:20.316]             }
[17:27:20.316]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:20.316]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:20.316]         }
[17:27:20.316]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:20.316]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:20.316]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:20.316]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:20.316]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:20.316]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:20.316]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:20.316]             base::names(...future.oldOptions))
[17:27:20.316]     }
[17:27:20.316]     if (FALSE) {
[17:27:20.316]     }
[17:27:20.316]     else {
[17:27:20.316]         if (TRUE) {
[17:27:20.316]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:20.316]                 open = "w")
[17:27:20.316]         }
[17:27:20.316]         else {
[17:27:20.316]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:20.316]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:20.316]         }
[17:27:20.316]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:20.316]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:20.316]             base::sink(type = "output", split = FALSE)
[17:27:20.316]             base::close(...future.stdout)
[17:27:20.316]         }, add = TRUE)
[17:27:20.316]     }
[17:27:20.316]     ...future.frame <- base::sys.nframe()
[17:27:20.316]     ...future.conditions <- base::list()
[17:27:20.316]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:20.316]     if (FALSE) {
[17:27:20.316]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:20.316]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:20.316]     }
[17:27:20.316]     ...future.result <- base::tryCatch({
[17:27:20.316]         base::withCallingHandlers({
[17:27:20.316]             ...future.value <- base::withVisible(base::local({
[17:27:20.316]                 ...future.makeSendCondition <- base::local({
[17:27:20.316]                   sendCondition <- NULL
[17:27:20.316]                   function(frame = 1L) {
[17:27:20.316]                     if (is.function(sendCondition)) 
[17:27:20.316]                       return(sendCondition)
[17:27:20.316]                     ns <- getNamespace("parallel")
[17:27:20.316]                     if (exists("sendData", mode = "function", 
[17:27:20.316]                       envir = ns)) {
[17:27:20.316]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:20.316]                         envir = ns)
[17:27:20.316]                       envir <- sys.frame(frame)
[17:27:20.316]                       master <- NULL
[17:27:20.316]                       while (!identical(envir, .GlobalEnv) && 
[17:27:20.316]                         !identical(envir, emptyenv())) {
[17:27:20.316]                         if (exists("master", mode = "list", envir = envir, 
[17:27:20.316]                           inherits = FALSE)) {
[17:27:20.316]                           master <- get("master", mode = "list", 
[17:27:20.316]                             envir = envir, inherits = FALSE)
[17:27:20.316]                           if (inherits(master, c("SOCKnode", 
[17:27:20.316]                             "SOCK0node"))) {
[17:27:20.316]                             sendCondition <<- function(cond) {
[17:27:20.316]                               data <- list(type = "VALUE", value = cond, 
[17:27:20.316]                                 success = TRUE)
[17:27:20.316]                               parallel_sendData(master, data)
[17:27:20.316]                             }
[17:27:20.316]                             return(sendCondition)
[17:27:20.316]                           }
[17:27:20.316]                         }
[17:27:20.316]                         frame <- frame + 1L
[17:27:20.316]                         envir <- sys.frame(frame)
[17:27:20.316]                       }
[17:27:20.316]                     }
[17:27:20.316]                     sendCondition <<- function(cond) NULL
[17:27:20.316]                   }
[17:27:20.316]                 })
[17:27:20.316]                 withCallingHandlers({
[17:27:20.316]                   NA
[17:27:20.316]                 }, immediateCondition = function(cond) {
[17:27:20.316]                   sendCondition <- ...future.makeSendCondition()
[17:27:20.316]                   sendCondition(cond)
[17:27:20.316]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.316]                   {
[17:27:20.316]                     inherits <- base::inherits
[17:27:20.316]                     invokeRestart <- base::invokeRestart
[17:27:20.316]                     is.null <- base::is.null
[17:27:20.316]                     muffled <- FALSE
[17:27:20.316]                     if (inherits(cond, "message")) {
[17:27:20.316]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:20.316]                       if (muffled) 
[17:27:20.316]                         invokeRestart("muffleMessage")
[17:27:20.316]                     }
[17:27:20.316]                     else if (inherits(cond, "warning")) {
[17:27:20.316]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:20.316]                       if (muffled) 
[17:27:20.316]                         invokeRestart("muffleWarning")
[17:27:20.316]                     }
[17:27:20.316]                     else if (inherits(cond, "condition")) {
[17:27:20.316]                       if (!is.null(pattern)) {
[17:27:20.316]                         computeRestarts <- base::computeRestarts
[17:27:20.316]                         grepl <- base::grepl
[17:27:20.316]                         restarts <- computeRestarts(cond)
[17:27:20.316]                         for (restart in restarts) {
[17:27:20.316]                           name <- restart$name
[17:27:20.316]                           if (is.null(name)) 
[17:27:20.316]                             next
[17:27:20.316]                           if (!grepl(pattern, name)) 
[17:27:20.316]                             next
[17:27:20.316]                           invokeRestart(restart)
[17:27:20.316]                           muffled <- TRUE
[17:27:20.316]                           break
[17:27:20.316]                         }
[17:27:20.316]                       }
[17:27:20.316]                     }
[17:27:20.316]                     invisible(muffled)
[17:27:20.316]                   }
[17:27:20.316]                   muffleCondition(cond)
[17:27:20.316]                 })
[17:27:20.316]             }))
[17:27:20.316]             future::FutureResult(value = ...future.value$value, 
[17:27:20.316]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:20.316]                   ...future.rng), globalenv = if (FALSE) 
[17:27:20.316]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:20.316]                     ...future.globalenv.names))
[17:27:20.316]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:20.316]         }, condition = base::local({
[17:27:20.316]             c <- base::c
[17:27:20.316]             inherits <- base::inherits
[17:27:20.316]             invokeRestart <- base::invokeRestart
[17:27:20.316]             length <- base::length
[17:27:20.316]             list <- base::list
[17:27:20.316]             seq.int <- base::seq.int
[17:27:20.316]             signalCondition <- base::signalCondition
[17:27:20.316]             sys.calls <- base::sys.calls
[17:27:20.316]             `[[` <- base::`[[`
[17:27:20.316]             `+` <- base::`+`
[17:27:20.316]             `<<-` <- base::`<<-`
[17:27:20.316]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:20.316]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:20.316]                   3L)]
[17:27:20.316]             }
[17:27:20.316]             function(cond) {
[17:27:20.316]                 is_error <- inherits(cond, "error")
[17:27:20.316]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:20.316]                   NULL)
[17:27:20.316]                 if (is_error) {
[17:27:20.316]                   sessionInformation <- function() {
[17:27:20.316]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:20.316]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:20.316]                       search = base::search(), system = base::Sys.info())
[17:27:20.316]                   }
[17:27:20.316]                   ...future.conditions[[length(...future.conditions) + 
[17:27:20.316]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:20.316]                     cond$call), session = sessionInformation(), 
[17:27:20.316]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:20.316]                   signalCondition(cond)
[17:27:20.316]                 }
[17:27:20.316]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:20.316]                 "immediateCondition"))) {
[17:27:20.316]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:20.316]                   ...future.conditions[[length(...future.conditions) + 
[17:27:20.316]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:20.316]                   if (TRUE && !signal) {
[17:27:20.316]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.316]                     {
[17:27:20.316]                       inherits <- base::inherits
[17:27:20.316]                       invokeRestart <- base::invokeRestart
[17:27:20.316]                       is.null <- base::is.null
[17:27:20.316]                       muffled <- FALSE
[17:27:20.316]                       if (inherits(cond, "message")) {
[17:27:20.316]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:20.316]                         if (muffled) 
[17:27:20.316]                           invokeRestart("muffleMessage")
[17:27:20.316]                       }
[17:27:20.316]                       else if (inherits(cond, "warning")) {
[17:27:20.316]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:20.316]                         if (muffled) 
[17:27:20.316]                           invokeRestart("muffleWarning")
[17:27:20.316]                       }
[17:27:20.316]                       else if (inherits(cond, "condition")) {
[17:27:20.316]                         if (!is.null(pattern)) {
[17:27:20.316]                           computeRestarts <- base::computeRestarts
[17:27:20.316]                           grepl <- base::grepl
[17:27:20.316]                           restarts <- computeRestarts(cond)
[17:27:20.316]                           for (restart in restarts) {
[17:27:20.316]                             name <- restart$name
[17:27:20.316]                             if (is.null(name)) 
[17:27:20.316]                               next
[17:27:20.316]                             if (!grepl(pattern, name)) 
[17:27:20.316]                               next
[17:27:20.316]                             invokeRestart(restart)
[17:27:20.316]                             muffled <- TRUE
[17:27:20.316]                             break
[17:27:20.316]                           }
[17:27:20.316]                         }
[17:27:20.316]                       }
[17:27:20.316]                       invisible(muffled)
[17:27:20.316]                     }
[17:27:20.316]                     muffleCondition(cond, pattern = "^muffle")
[17:27:20.316]                   }
[17:27:20.316]                 }
[17:27:20.316]                 else {
[17:27:20.316]                   if (TRUE) {
[17:27:20.316]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.316]                     {
[17:27:20.316]                       inherits <- base::inherits
[17:27:20.316]                       invokeRestart <- base::invokeRestart
[17:27:20.316]                       is.null <- base::is.null
[17:27:20.316]                       muffled <- FALSE
[17:27:20.316]                       if (inherits(cond, "message")) {
[17:27:20.316]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:20.316]                         if (muffled) 
[17:27:20.316]                           invokeRestart("muffleMessage")
[17:27:20.316]                       }
[17:27:20.316]                       else if (inherits(cond, "warning")) {
[17:27:20.316]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:20.316]                         if (muffled) 
[17:27:20.316]                           invokeRestart("muffleWarning")
[17:27:20.316]                       }
[17:27:20.316]                       else if (inherits(cond, "condition")) {
[17:27:20.316]                         if (!is.null(pattern)) {
[17:27:20.316]                           computeRestarts <- base::computeRestarts
[17:27:20.316]                           grepl <- base::grepl
[17:27:20.316]                           restarts <- computeRestarts(cond)
[17:27:20.316]                           for (restart in restarts) {
[17:27:20.316]                             name <- restart$name
[17:27:20.316]                             if (is.null(name)) 
[17:27:20.316]                               next
[17:27:20.316]                             if (!grepl(pattern, name)) 
[17:27:20.316]                               next
[17:27:20.316]                             invokeRestart(restart)
[17:27:20.316]                             muffled <- TRUE
[17:27:20.316]                             break
[17:27:20.316]                           }
[17:27:20.316]                         }
[17:27:20.316]                       }
[17:27:20.316]                       invisible(muffled)
[17:27:20.316]                     }
[17:27:20.316]                     muffleCondition(cond, pattern = "^muffle")
[17:27:20.316]                   }
[17:27:20.316]                 }
[17:27:20.316]             }
[17:27:20.316]         }))
[17:27:20.316]     }, error = function(ex) {
[17:27:20.316]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:20.316]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:20.316]                 ...future.rng), started = ...future.startTime, 
[17:27:20.316]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:20.316]             version = "1.8"), class = "FutureResult")
[17:27:20.316]     }, finally = {
[17:27:20.316]         if (!identical(...future.workdir, getwd())) 
[17:27:20.316]             setwd(...future.workdir)
[17:27:20.316]         {
[17:27:20.316]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:20.316]                 ...future.oldOptions$nwarnings <- NULL
[17:27:20.316]             }
[17:27:20.316]             base::options(...future.oldOptions)
[17:27:20.316]             if (.Platform$OS.type == "windows") {
[17:27:20.316]                 old_names <- names(...future.oldEnvVars)
[17:27:20.316]                 envs <- base::Sys.getenv()
[17:27:20.316]                 names <- names(envs)
[17:27:20.316]                 common <- intersect(names, old_names)
[17:27:20.316]                 added <- setdiff(names, old_names)
[17:27:20.316]                 removed <- setdiff(old_names, names)
[17:27:20.316]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:20.316]                   envs[common]]
[17:27:20.316]                 NAMES <- toupper(changed)
[17:27:20.316]                 args <- list()
[17:27:20.316]                 for (kk in seq_along(NAMES)) {
[17:27:20.316]                   name <- changed[[kk]]
[17:27:20.316]                   NAME <- NAMES[[kk]]
[17:27:20.316]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.316]                     next
[17:27:20.316]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:20.316]                 }
[17:27:20.316]                 NAMES <- toupper(added)
[17:27:20.316]                 for (kk in seq_along(NAMES)) {
[17:27:20.316]                   name <- added[[kk]]
[17:27:20.316]                   NAME <- NAMES[[kk]]
[17:27:20.316]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.316]                     next
[17:27:20.316]                   args[[name]] <- ""
[17:27:20.316]                 }
[17:27:20.316]                 NAMES <- toupper(removed)
[17:27:20.316]                 for (kk in seq_along(NAMES)) {
[17:27:20.316]                   name <- removed[[kk]]
[17:27:20.316]                   NAME <- NAMES[[kk]]
[17:27:20.316]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.316]                     next
[17:27:20.316]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:20.316]                 }
[17:27:20.316]                 if (length(args) > 0) 
[17:27:20.316]                   base::do.call(base::Sys.setenv, args = args)
[17:27:20.316]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:20.316]             }
[17:27:20.316]             else {
[17:27:20.316]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:20.316]             }
[17:27:20.316]             {
[17:27:20.316]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:20.316]                   0L) {
[17:27:20.316]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:20.316]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:20.316]                   base::options(opts)
[17:27:20.316]                 }
[17:27:20.316]                 {
[17:27:20.316]                   {
[17:27:20.316]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:20.316]                     NULL
[17:27:20.316]                   }
[17:27:20.316]                   options(future.plan = NULL)
[17:27:20.316]                   if (is.na(NA_character_)) 
[17:27:20.316]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:20.316]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:20.316]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:20.316]                     .init = FALSE)
[17:27:20.316]                 }
[17:27:20.316]             }
[17:27:20.316]         }
[17:27:20.316]     })
[17:27:20.316]     if (TRUE) {
[17:27:20.316]         base::sink(type = "output", split = FALSE)
[17:27:20.316]         if (TRUE) {
[17:27:20.316]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:20.316]         }
[17:27:20.316]         else {
[17:27:20.316]             ...future.result["stdout"] <- base::list(NULL)
[17:27:20.316]         }
[17:27:20.316]         base::close(...future.stdout)
[17:27:20.316]         ...future.stdout <- NULL
[17:27:20.316]     }
[17:27:20.316]     ...future.result$conditions <- ...future.conditions
[17:27:20.316]     ...future.result$finished <- base::Sys.time()
[17:27:20.316]     ...future.result
[17:27:20.316] }
[17:27:20.442] MultisessionFuture started
[17:27:20.443] result() for ClusterFuture ...
[17:27:20.444] receiveMessageFromWorker() for ClusterFuture ...
[17:27:20.444] - Validating connection of MultisessionFuture
[17:27:20.529] - received message: FutureResult
[17:27:20.530] - Received FutureResult
[17:27:20.535] - Erased future from FutureRegistry
[17:27:20.535] result() for ClusterFuture ...
[17:27:20.535] - result already collected: FutureResult
[17:27:20.536] result() for ClusterFuture ... done
[17:27:20.536] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:20.536] result() for ClusterFuture ... done
[17:27:20.536] result() for ClusterFuture ...
[17:27:20.537] - result already collected: FutureResult
[17:27:20.537] result() for ClusterFuture ... done
[17:27:20.537] plan(): plan_init() of 'multisession', 'cluster', 'multiprocess', 'future', 'function' ... DONE
[17:27:20.540] plan(): nbrOfWorkers() = 2
[17:27:20.540] getGlobalsAndPackages() ...
[17:27:20.541] Searching for globals...
[17:27:20.542] - globals found: [1] '{'
[17:27:20.542] Searching for globals ... DONE
[17:27:20.542] Resolving globals: FALSE
[17:27:20.542] 
[17:27:20.543] 
[17:27:20.543] getGlobalsAndPackages() ... DONE
[17:27:20.544] run() for 'Future' ...
[17:27:20.544] - state: 'created'
[17:27:20.545] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:20.566] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:20.566] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:20.566]   - Field: 'node'
[17:27:20.566]   - Field: 'label'
[17:27:20.567]   - Field: 'local'
[17:27:20.567]   - Field: 'owner'
[17:27:20.567]   - Field: 'envir'
[17:27:20.567]   - Field: 'workers'
[17:27:20.567]   - Field: 'packages'
[17:27:20.568]   - Field: 'gc'
[17:27:20.568]   - Field: 'conditions'
[17:27:20.568]   - Field: 'persistent'
[17:27:20.568]   - Field: 'expr'
[17:27:20.568]   - Field: 'uuid'
[17:27:20.569]   - Field: 'seed'
[17:27:20.569]   - Field: 'version'
[17:27:20.569]   - Field: 'result'
[17:27:20.569]   - Field: 'asynchronous'
[17:27:20.569]   - Field: 'calls'
[17:27:20.570]   - Field: 'globals'
[17:27:20.570]   - Field: 'stdout'
[17:27:20.570]   - Field: 'earlySignal'
[17:27:20.570]   - Field: 'lazy'
[17:27:20.571]   - Field: 'state'
[17:27:20.571] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:20.571] - Launch lazy future ...
[17:27:20.571] Packages needed by the future expression (n = 0): <none>
[17:27:20.572] Packages needed by future strategies (n = 0): <none>
[17:27:20.572] {
[17:27:20.572]     {
[17:27:20.572]         {
[17:27:20.572]             ...future.startTime <- base::Sys.time()
[17:27:20.572]             {
[17:27:20.572]                 {
[17:27:20.572]                   {
[17:27:20.572]                     {
[17:27:20.572]                       base::local({
[17:27:20.572]                         has_future <- base::requireNamespace("future", 
[17:27:20.572]                           quietly = TRUE)
[17:27:20.572]                         if (has_future) {
[17:27:20.572]                           ns <- base::getNamespace("future")
[17:27:20.572]                           version <- ns[[".package"]][["version"]]
[17:27:20.572]                           if (is.null(version)) 
[17:27:20.572]                             version <- utils::packageVersion("future")
[17:27:20.572]                         }
[17:27:20.572]                         else {
[17:27:20.572]                           version <- NULL
[17:27:20.572]                         }
[17:27:20.572]                         if (!has_future || version < "1.8.0") {
[17:27:20.572]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:20.572]                             "", base::R.version$version.string), 
[17:27:20.572]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:20.572]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:20.572]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:20.572]                               "release", "version")], collapse = " "), 
[17:27:20.572]                             hostname = base::Sys.info()[["nodename"]])
[17:27:20.572]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:20.572]                             info)
[17:27:20.572]                           info <- base::paste(info, collapse = "; ")
[17:27:20.572]                           if (!has_future) {
[17:27:20.572]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:20.572]                               info)
[17:27:20.572]                           }
[17:27:20.572]                           else {
[17:27:20.572]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:20.572]                               info, version)
[17:27:20.572]                           }
[17:27:20.572]                           base::stop(msg)
[17:27:20.572]                         }
[17:27:20.572]                       })
[17:27:20.572]                     }
[17:27:20.572]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:20.572]                     base::options(mc.cores = 1L)
[17:27:20.572]                   }
[17:27:20.572]                   ...future.strategy.old <- future::plan("list")
[17:27:20.572]                   options(future.plan = NULL)
[17:27:20.572]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:20.572]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:20.572]                 }
[17:27:20.572]                 ...future.workdir <- getwd()
[17:27:20.572]             }
[17:27:20.572]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:20.572]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:20.572]         }
[17:27:20.572]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:20.572]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:20.572]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:20.572]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:20.572]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:20.572]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:20.572]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:20.572]             base::names(...future.oldOptions))
[17:27:20.572]     }
[17:27:20.572]     if (FALSE) {
[17:27:20.572]     }
[17:27:20.572]     else {
[17:27:20.572]         if (TRUE) {
[17:27:20.572]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:20.572]                 open = "w")
[17:27:20.572]         }
[17:27:20.572]         else {
[17:27:20.572]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:20.572]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:20.572]         }
[17:27:20.572]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:20.572]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:20.572]             base::sink(type = "output", split = FALSE)
[17:27:20.572]             base::close(...future.stdout)
[17:27:20.572]         }, add = TRUE)
[17:27:20.572]     }
[17:27:20.572]     ...future.frame <- base::sys.nframe()
[17:27:20.572]     ...future.conditions <- base::list()
[17:27:20.572]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:20.572]     if (FALSE) {
[17:27:20.572]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:20.572]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:20.572]     }
[17:27:20.572]     ...future.result <- base::tryCatch({
[17:27:20.572]         base::withCallingHandlers({
[17:27:20.572]             ...future.value <- base::withVisible(base::local({
[17:27:20.572]                 ...future.makeSendCondition <- base::local({
[17:27:20.572]                   sendCondition <- NULL
[17:27:20.572]                   function(frame = 1L) {
[17:27:20.572]                     if (is.function(sendCondition)) 
[17:27:20.572]                       return(sendCondition)
[17:27:20.572]                     ns <- getNamespace("parallel")
[17:27:20.572]                     if (exists("sendData", mode = "function", 
[17:27:20.572]                       envir = ns)) {
[17:27:20.572]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:20.572]                         envir = ns)
[17:27:20.572]                       envir <- sys.frame(frame)
[17:27:20.572]                       master <- NULL
[17:27:20.572]                       while (!identical(envir, .GlobalEnv) && 
[17:27:20.572]                         !identical(envir, emptyenv())) {
[17:27:20.572]                         if (exists("master", mode = "list", envir = envir, 
[17:27:20.572]                           inherits = FALSE)) {
[17:27:20.572]                           master <- get("master", mode = "list", 
[17:27:20.572]                             envir = envir, inherits = FALSE)
[17:27:20.572]                           if (inherits(master, c("SOCKnode", 
[17:27:20.572]                             "SOCK0node"))) {
[17:27:20.572]                             sendCondition <<- function(cond) {
[17:27:20.572]                               data <- list(type = "VALUE", value = cond, 
[17:27:20.572]                                 success = TRUE)
[17:27:20.572]                               parallel_sendData(master, data)
[17:27:20.572]                             }
[17:27:20.572]                             return(sendCondition)
[17:27:20.572]                           }
[17:27:20.572]                         }
[17:27:20.572]                         frame <- frame + 1L
[17:27:20.572]                         envir <- sys.frame(frame)
[17:27:20.572]                       }
[17:27:20.572]                     }
[17:27:20.572]                     sendCondition <<- function(cond) NULL
[17:27:20.572]                   }
[17:27:20.572]                 })
[17:27:20.572]                 withCallingHandlers({
[17:27:20.572]                   {
[17:27:20.572]                     2
[17:27:20.572]                   }
[17:27:20.572]                 }, immediateCondition = function(cond) {
[17:27:20.572]                   sendCondition <- ...future.makeSendCondition()
[17:27:20.572]                   sendCondition(cond)
[17:27:20.572]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.572]                   {
[17:27:20.572]                     inherits <- base::inherits
[17:27:20.572]                     invokeRestart <- base::invokeRestart
[17:27:20.572]                     is.null <- base::is.null
[17:27:20.572]                     muffled <- FALSE
[17:27:20.572]                     if (inherits(cond, "message")) {
[17:27:20.572]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:20.572]                       if (muffled) 
[17:27:20.572]                         invokeRestart("muffleMessage")
[17:27:20.572]                     }
[17:27:20.572]                     else if (inherits(cond, "warning")) {
[17:27:20.572]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:20.572]                       if (muffled) 
[17:27:20.572]                         invokeRestart("muffleWarning")
[17:27:20.572]                     }
[17:27:20.572]                     else if (inherits(cond, "condition")) {
[17:27:20.572]                       if (!is.null(pattern)) {
[17:27:20.572]                         computeRestarts <- base::computeRestarts
[17:27:20.572]                         grepl <- base::grepl
[17:27:20.572]                         restarts <- computeRestarts(cond)
[17:27:20.572]                         for (restart in restarts) {
[17:27:20.572]                           name <- restart$name
[17:27:20.572]                           if (is.null(name)) 
[17:27:20.572]                             next
[17:27:20.572]                           if (!grepl(pattern, name)) 
[17:27:20.572]                             next
[17:27:20.572]                           invokeRestart(restart)
[17:27:20.572]                           muffled <- TRUE
[17:27:20.572]                           break
[17:27:20.572]                         }
[17:27:20.572]                       }
[17:27:20.572]                     }
[17:27:20.572]                     invisible(muffled)
[17:27:20.572]                   }
[17:27:20.572]                   muffleCondition(cond)
[17:27:20.572]                 })
[17:27:20.572]             }))
[17:27:20.572]             future::FutureResult(value = ...future.value$value, 
[17:27:20.572]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:20.572]                   ...future.rng), globalenv = if (FALSE) 
[17:27:20.572]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:20.572]                     ...future.globalenv.names))
[17:27:20.572]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:20.572]         }, condition = base::local({
[17:27:20.572]             c <- base::c
[17:27:20.572]             inherits <- base::inherits
[17:27:20.572]             invokeRestart <- base::invokeRestart
[17:27:20.572]             length <- base::length
[17:27:20.572]             list <- base::list
[17:27:20.572]             seq.int <- base::seq.int
[17:27:20.572]             signalCondition <- base::signalCondition
[17:27:20.572]             sys.calls <- base::sys.calls
[17:27:20.572]             `[[` <- base::`[[`
[17:27:20.572]             `+` <- base::`+`
[17:27:20.572]             `<<-` <- base::`<<-`
[17:27:20.572]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:20.572]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:20.572]                   3L)]
[17:27:20.572]             }
[17:27:20.572]             function(cond) {
[17:27:20.572]                 is_error <- inherits(cond, "error")
[17:27:20.572]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:20.572]                   NULL)
[17:27:20.572]                 if (is_error) {
[17:27:20.572]                   sessionInformation <- function() {
[17:27:20.572]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:20.572]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:20.572]                       search = base::search(), system = base::Sys.info())
[17:27:20.572]                   }
[17:27:20.572]                   ...future.conditions[[length(...future.conditions) + 
[17:27:20.572]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:20.572]                     cond$call), session = sessionInformation(), 
[17:27:20.572]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:20.572]                   signalCondition(cond)
[17:27:20.572]                 }
[17:27:20.572]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:20.572]                 "immediateCondition"))) {
[17:27:20.572]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:20.572]                   ...future.conditions[[length(...future.conditions) + 
[17:27:20.572]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:20.572]                   if (TRUE && !signal) {
[17:27:20.572]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.572]                     {
[17:27:20.572]                       inherits <- base::inherits
[17:27:20.572]                       invokeRestart <- base::invokeRestart
[17:27:20.572]                       is.null <- base::is.null
[17:27:20.572]                       muffled <- FALSE
[17:27:20.572]                       if (inherits(cond, "message")) {
[17:27:20.572]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:20.572]                         if (muffled) 
[17:27:20.572]                           invokeRestart("muffleMessage")
[17:27:20.572]                       }
[17:27:20.572]                       else if (inherits(cond, "warning")) {
[17:27:20.572]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:20.572]                         if (muffled) 
[17:27:20.572]                           invokeRestart("muffleWarning")
[17:27:20.572]                       }
[17:27:20.572]                       else if (inherits(cond, "condition")) {
[17:27:20.572]                         if (!is.null(pattern)) {
[17:27:20.572]                           computeRestarts <- base::computeRestarts
[17:27:20.572]                           grepl <- base::grepl
[17:27:20.572]                           restarts <- computeRestarts(cond)
[17:27:20.572]                           for (restart in restarts) {
[17:27:20.572]                             name <- restart$name
[17:27:20.572]                             if (is.null(name)) 
[17:27:20.572]                               next
[17:27:20.572]                             if (!grepl(pattern, name)) 
[17:27:20.572]                               next
[17:27:20.572]                             invokeRestart(restart)
[17:27:20.572]                             muffled <- TRUE
[17:27:20.572]                             break
[17:27:20.572]                           }
[17:27:20.572]                         }
[17:27:20.572]                       }
[17:27:20.572]                       invisible(muffled)
[17:27:20.572]                     }
[17:27:20.572]                     muffleCondition(cond, pattern = "^muffle")
[17:27:20.572]                   }
[17:27:20.572]                 }
[17:27:20.572]                 else {
[17:27:20.572]                   if (TRUE) {
[17:27:20.572]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.572]                     {
[17:27:20.572]                       inherits <- base::inherits
[17:27:20.572]                       invokeRestart <- base::invokeRestart
[17:27:20.572]                       is.null <- base::is.null
[17:27:20.572]                       muffled <- FALSE
[17:27:20.572]                       if (inherits(cond, "message")) {
[17:27:20.572]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:20.572]                         if (muffled) 
[17:27:20.572]                           invokeRestart("muffleMessage")
[17:27:20.572]                       }
[17:27:20.572]                       else if (inherits(cond, "warning")) {
[17:27:20.572]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:20.572]                         if (muffled) 
[17:27:20.572]                           invokeRestart("muffleWarning")
[17:27:20.572]                       }
[17:27:20.572]                       else if (inherits(cond, "condition")) {
[17:27:20.572]                         if (!is.null(pattern)) {
[17:27:20.572]                           computeRestarts <- base::computeRestarts
[17:27:20.572]                           grepl <- base::grepl
[17:27:20.572]                           restarts <- computeRestarts(cond)
[17:27:20.572]                           for (restart in restarts) {
[17:27:20.572]                             name <- restart$name
[17:27:20.572]                             if (is.null(name)) 
[17:27:20.572]                               next
[17:27:20.572]                             if (!grepl(pattern, name)) 
[17:27:20.572]                               next
[17:27:20.572]                             invokeRestart(restart)
[17:27:20.572]                             muffled <- TRUE
[17:27:20.572]                             break
[17:27:20.572]                           }
[17:27:20.572]                         }
[17:27:20.572]                       }
[17:27:20.572]                       invisible(muffled)
[17:27:20.572]                     }
[17:27:20.572]                     muffleCondition(cond, pattern = "^muffle")
[17:27:20.572]                   }
[17:27:20.572]                 }
[17:27:20.572]             }
[17:27:20.572]         }))
[17:27:20.572]     }, error = function(ex) {
[17:27:20.572]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:20.572]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:20.572]                 ...future.rng), started = ...future.startTime, 
[17:27:20.572]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:20.572]             version = "1.8"), class = "FutureResult")
[17:27:20.572]     }, finally = {
[17:27:20.572]         if (!identical(...future.workdir, getwd())) 
[17:27:20.572]             setwd(...future.workdir)
[17:27:20.572]         {
[17:27:20.572]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:20.572]                 ...future.oldOptions$nwarnings <- NULL
[17:27:20.572]             }
[17:27:20.572]             base::options(...future.oldOptions)
[17:27:20.572]             if (.Platform$OS.type == "windows") {
[17:27:20.572]                 old_names <- names(...future.oldEnvVars)
[17:27:20.572]                 envs <- base::Sys.getenv()
[17:27:20.572]                 names <- names(envs)
[17:27:20.572]                 common <- intersect(names, old_names)
[17:27:20.572]                 added <- setdiff(names, old_names)
[17:27:20.572]                 removed <- setdiff(old_names, names)
[17:27:20.572]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:20.572]                   envs[common]]
[17:27:20.572]                 NAMES <- toupper(changed)
[17:27:20.572]                 args <- list()
[17:27:20.572]                 for (kk in seq_along(NAMES)) {
[17:27:20.572]                   name <- changed[[kk]]
[17:27:20.572]                   NAME <- NAMES[[kk]]
[17:27:20.572]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.572]                     next
[17:27:20.572]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:20.572]                 }
[17:27:20.572]                 NAMES <- toupper(added)
[17:27:20.572]                 for (kk in seq_along(NAMES)) {
[17:27:20.572]                   name <- added[[kk]]
[17:27:20.572]                   NAME <- NAMES[[kk]]
[17:27:20.572]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.572]                     next
[17:27:20.572]                   args[[name]] <- ""
[17:27:20.572]                 }
[17:27:20.572]                 NAMES <- toupper(removed)
[17:27:20.572]                 for (kk in seq_along(NAMES)) {
[17:27:20.572]                   name <- removed[[kk]]
[17:27:20.572]                   NAME <- NAMES[[kk]]
[17:27:20.572]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.572]                     next
[17:27:20.572]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:20.572]                 }
[17:27:20.572]                 if (length(args) > 0) 
[17:27:20.572]                   base::do.call(base::Sys.setenv, args = args)
[17:27:20.572]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:20.572]             }
[17:27:20.572]             else {
[17:27:20.572]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:20.572]             }
[17:27:20.572]             {
[17:27:20.572]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:20.572]                   0L) {
[17:27:20.572]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:20.572]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:20.572]                   base::options(opts)
[17:27:20.572]                 }
[17:27:20.572]                 {
[17:27:20.572]                   {
[17:27:20.572]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:20.572]                     NULL
[17:27:20.572]                   }
[17:27:20.572]                   options(future.plan = NULL)
[17:27:20.572]                   if (is.na(NA_character_)) 
[17:27:20.572]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:20.572]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:20.572]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:20.572]                     .init = FALSE)
[17:27:20.572]                 }
[17:27:20.572]             }
[17:27:20.572]         }
[17:27:20.572]     })
[17:27:20.572]     if (TRUE) {
[17:27:20.572]         base::sink(type = "output", split = FALSE)
[17:27:20.572]         if (TRUE) {
[17:27:20.572]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:20.572]         }
[17:27:20.572]         else {
[17:27:20.572]             ...future.result["stdout"] <- base::list(NULL)
[17:27:20.572]         }
[17:27:20.572]         base::close(...future.stdout)
[17:27:20.572]         ...future.stdout <- NULL
[17:27:20.572]     }
[17:27:20.572]     ...future.result$conditions <- ...future.conditions
[17:27:20.572]     ...future.result$finished <- base::Sys.time()
[17:27:20.572]     ...future.result
[17:27:20.572] }
[17:27:20.578] MultisessionFuture started
[17:27:20.579] - Launch lazy future ... done
[17:27:20.579] run() for 'MultisessionFuture' ... done
[17:27:20.579] getGlobalsAndPackages() ...
[17:27:20.580] Searching for globals...
[17:27:20.581] - globals found: [1] '{'
[17:27:20.581] Searching for globals ... DONE
[17:27:20.581] Resolving globals: FALSE
[17:27:20.582] 
[17:27:20.582] 
[17:27:20.582] getGlobalsAndPackages() ... DONE
[17:27:20.583] run() for 'Future' ...
[17:27:20.583] - state: 'created'
[17:27:20.584] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:20.601] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:20.602] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:20.602]   - Field: 'node'
[17:27:20.602]   - Field: 'label'
[17:27:20.603]   - Field: 'local'
[17:27:20.603]   - Field: 'owner'
[17:27:20.603]   - Field: 'envir'
[17:27:20.604]   - Field: 'workers'
[17:27:20.604]   - Field: 'packages'
[17:27:20.604]   - Field: 'gc'
[17:27:20.604]   - Field: 'conditions'
[17:27:20.605]   - Field: 'persistent'
[17:27:20.605]   - Field: 'expr'
[17:27:20.605]   - Field: 'uuid'
[17:27:20.606]   - Field: 'seed'
[17:27:20.606]   - Field: 'version'
[17:27:20.606]   - Field: 'result'
[17:27:20.606]   - Field: 'asynchronous'
[17:27:20.607]   - Field: 'calls'
[17:27:20.607]   - Field: 'globals'
[17:27:20.607]   - Field: 'stdout'
[17:27:20.608]   - Field: 'earlySignal'
[17:27:20.608]   - Field: 'lazy'
[17:27:20.608]   - Field: 'state'
[17:27:20.609] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:20.609] - Launch lazy future ...
[17:27:20.609] Packages needed by the future expression (n = 0): <none>
[17:27:20.610] Packages needed by future strategies (n = 0): <none>
[17:27:20.611] {
[17:27:20.611]     {
[17:27:20.611]         {
[17:27:20.611]             ...future.startTime <- base::Sys.time()
[17:27:20.611]             {
[17:27:20.611]                 {
[17:27:20.611]                   {
[17:27:20.611]                     {
[17:27:20.611]                       base::local({
[17:27:20.611]                         has_future <- base::requireNamespace("future", 
[17:27:20.611]                           quietly = TRUE)
[17:27:20.611]                         if (has_future) {
[17:27:20.611]                           ns <- base::getNamespace("future")
[17:27:20.611]                           version <- ns[[".package"]][["version"]]
[17:27:20.611]                           if (is.null(version)) 
[17:27:20.611]                             version <- utils::packageVersion("future")
[17:27:20.611]                         }
[17:27:20.611]                         else {
[17:27:20.611]                           version <- NULL
[17:27:20.611]                         }
[17:27:20.611]                         if (!has_future || version < "1.8.0") {
[17:27:20.611]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:20.611]                             "", base::R.version$version.string), 
[17:27:20.611]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:20.611]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:20.611]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:20.611]                               "release", "version")], collapse = " "), 
[17:27:20.611]                             hostname = base::Sys.info()[["nodename"]])
[17:27:20.611]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:20.611]                             info)
[17:27:20.611]                           info <- base::paste(info, collapse = "; ")
[17:27:20.611]                           if (!has_future) {
[17:27:20.611]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:20.611]                               info)
[17:27:20.611]                           }
[17:27:20.611]                           else {
[17:27:20.611]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:20.611]                               info, version)
[17:27:20.611]                           }
[17:27:20.611]                           base::stop(msg)
[17:27:20.611]                         }
[17:27:20.611]                       })
[17:27:20.611]                     }
[17:27:20.611]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:20.611]                     base::options(mc.cores = 1L)
[17:27:20.611]                   }
[17:27:20.611]                   ...future.strategy.old <- future::plan("list")
[17:27:20.611]                   options(future.plan = NULL)
[17:27:20.611]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:20.611]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:20.611]                 }
[17:27:20.611]                 ...future.workdir <- getwd()
[17:27:20.611]             }
[17:27:20.611]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:20.611]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:20.611]         }
[17:27:20.611]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:20.611]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:20.611]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:20.611]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:20.611]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:20.611]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:20.611]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:20.611]             base::names(...future.oldOptions))
[17:27:20.611]     }
[17:27:20.611]     if (FALSE) {
[17:27:20.611]     }
[17:27:20.611]     else {
[17:27:20.611]         if (TRUE) {
[17:27:20.611]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:20.611]                 open = "w")
[17:27:20.611]         }
[17:27:20.611]         else {
[17:27:20.611]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:20.611]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:20.611]         }
[17:27:20.611]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:20.611]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:20.611]             base::sink(type = "output", split = FALSE)
[17:27:20.611]             base::close(...future.stdout)
[17:27:20.611]         }, add = TRUE)
[17:27:20.611]     }
[17:27:20.611]     ...future.frame <- base::sys.nframe()
[17:27:20.611]     ...future.conditions <- base::list()
[17:27:20.611]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:20.611]     if (FALSE) {
[17:27:20.611]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:20.611]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:20.611]     }
[17:27:20.611]     ...future.result <- base::tryCatch({
[17:27:20.611]         base::withCallingHandlers({
[17:27:20.611]             ...future.value <- base::withVisible(base::local({
[17:27:20.611]                 ...future.makeSendCondition <- base::local({
[17:27:20.611]                   sendCondition <- NULL
[17:27:20.611]                   function(frame = 1L) {
[17:27:20.611]                     if (is.function(sendCondition)) 
[17:27:20.611]                       return(sendCondition)
[17:27:20.611]                     ns <- getNamespace("parallel")
[17:27:20.611]                     if (exists("sendData", mode = "function", 
[17:27:20.611]                       envir = ns)) {
[17:27:20.611]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:20.611]                         envir = ns)
[17:27:20.611]                       envir <- sys.frame(frame)
[17:27:20.611]                       master <- NULL
[17:27:20.611]                       while (!identical(envir, .GlobalEnv) && 
[17:27:20.611]                         !identical(envir, emptyenv())) {
[17:27:20.611]                         if (exists("master", mode = "list", envir = envir, 
[17:27:20.611]                           inherits = FALSE)) {
[17:27:20.611]                           master <- get("master", mode = "list", 
[17:27:20.611]                             envir = envir, inherits = FALSE)
[17:27:20.611]                           if (inherits(master, c("SOCKnode", 
[17:27:20.611]                             "SOCK0node"))) {
[17:27:20.611]                             sendCondition <<- function(cond) {
[17:27:20.611]                               data <- list(type = "VALUE", value = cond, 
[17:27:20.611]                                 success = TRUE)
[17:27:20.611]                               parallel_sendData(master, data)
[17:27:20.611]                             }
[17:27:20.611]                             return(sendCondition)
[17:27:20.611]                           }
[17:27:20.611]                         }
[17:27:20.611]                         frame <- frame + 1L
[17:27:20.611]                         envir <- sys.frame(frame)
[17:27:20.611]                       }
[17:27:20.611]                     }
[17:27:20.611]                     sendCondition <<- function(cond) NULL
[17:27:20.611]                   }
[17:27:20.611]                 })
[17:27:20.611]                 withCallingHandlers({
[17:27:20.611]                   {
[17:27:20.611]                     4
[17:27:20.611]                   }
[17:27:20.611]                 }, immediateCondition = function(cond) {
[17:27:20.611]                   sendCondition <- ...future.makeSendCondition()
[17:27:20.611]                   sendCondition(cond)
[17:27:20.611]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.611]                   {
[17:27:20.611]                     inherits <- base::inherits
[17:27:20.611]                     invokeRestart <- base::invokeRestart
[17:27:20.611]                     is.null <- base::is.null
[17:27:20.611]                     muffled <- FALSE
[17:27:20.611]                     if (inherits(cond, "message")) {
[17:27:20.611]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:20.611]                       if (muffled) 
[17:27:20.611]                         invokeRestart("muffleMessage")
[17:27:20.611]                     }
[17:27:20.611]                     else if (inherits(cond, "warning")) {
[17:27:20.611]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:20.611]                       if (muffled) 
[17:27:20.611]                         invokeRestart("muffleWarning")
[17:27:20.611]                     }
[17:27:20.611]                     else if (inherits(cond, "condition")) {
[17:27:20.611]                       if (!is.null(pattern)) {
[17:27:20.611]                         computeRestarts <- base::computeRestarts
[17:27:20.611]                         grepl <- base::grepl
[17:27:20.611]                         restarts <- computeRestarts(cond)
[17:27:20.611]                         for (restart in restarts) {
[17:27:20.611]                           name <- restart$name
[17:27:20.611]                           if (is.null(name)) 
[17:27:20.611]                             next
[17:27:20.611]                           if (!grepl(pattern, name)) 
[17:27:20.611]                             next
[17:27:20.611]                           invokeRestart(restart)
[17:27:20.611]                           muffled <- TRUE
[17:27:20.611]                           break
[17:27:20.611]                         }
[17:27:20.611]                       }
[17:27:20.611]                     }
[17:27:20.611]                     invisible(muffled)
[17:27:20.611]                   }
[17:27:20.611]                   muffleCondition(cond)
[17:27:20.611]                 })
[17:27:20.611]             }))
[17:27:20.611]             future::FutureResult(value = ...future.value$value, 
[17:27:20.611]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:20.611]                   ...future.rng), globalenv = if (FALSE) 
[17:27:20.611]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:20.611]                     ...future.globalenv.names))
[17:27:20.611]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:20.611]         }, condition = base::local({
[17:27:20.611]             c <- base::c
[17:27:20.611]             inherits <- base::inherits
[17:27:20.611]             invokeRestart <- base::invokeRestart
[17:27:20.611]             length <- base::length
[17:27:20.611]             list <- base::list
[17:27:20.611]             seq.int <- base::seq.int
[17:27:20.611]             signalCondition <- base::signalCondition
[17:27:20.611]             sys.calls <- base::sys.calls
[17:27:20.611]             `[[` <- base::`[[`
[17:27:20.611]             `+` <- base::`+`
[17:27:20.611]             `<<-` <- base::`<<-`
[17:27:20.611]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:20.611]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:20.611]                   3L)]
[17:27:20.611]             }
[17:27:20.611]             function(cond) {
[17:27:20.611]                 is_error <- inherits(cond, "error")
[17:27:20.611]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:20.611]                   NULL)
[17:27:20.611]                 if (is_error) {
[17:27:20.611]                   sessionInformation <- function() {
[17:27:20.611]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:20.611]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:20.611]                       search = base::search(), system = base::Sys.info())
[17:27:20.611]                   }
[17:27:20.611]                   ...future.conditions[[length(...future.conditions) + 
[17:27:20.611]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:20.611]                     cond$call), session = sessionInformation(), 
[17:27:20.611]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:20.611]                   signalCondition(cond)
[17:27:20.611]                 }
[17:27:20.611]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:20.611]                 "immediateCondition"))) {
[17:27:20.611]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:20.611]                   ...future.conditions[[length(...future.conditions) + 
[17:27:20.611]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:20.611]                   if (TRUE && !signal) {
[17:27:20.611]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.611]                     {
[17:27:20.611]                       inherits <- base::inherits
[17:27:20.611]                       invokeRestart <- base::invokeRestart
[17:27:20.611]                       is.null <- base::is.null
[17:27:20.611]                       muffled <- FALSE
[17:27:20.611]                       if (inherits(cond, "message")) {
[17:27:20.611]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:20.611]                         if (muffled) 
[17:27:20.611]                           invokeRestart("muffleMessage")
[17:27:20.611]                       }
[17:27:20.611]                       else if (inherits(cond, "warning")) {
[17:27:20.611]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:20.611]                         if (muffled) 
[17:27:20.611]                           invokeRestart("muffleWarning")
[17:27:20.611]                       }
[17:27:20.611]                       else if (inherits(cond, "condition")) {
[17:27:20.611]                         if (!is.null(pattern)) {
[17:27:20.611]                           computeRestarts <- base::computeRestarts
[17:27:20.611]                           grepl <- base::grepl
[17:27:20.611]                           restarts <- computeRestarts(cond)
[17:27:20.611]                           for (restart in restarts) {
[17:27:20.611]                             name <- restart$name
[17:27:20.611]                             if (is.null(name)) 
[17:27:20.611]                               next
[17:27:20.611]                             if (!grepl(pattern, name)) 
[17:27:20.611]                               next
[17:27:20.611]                             invokeRestart(restart)
[17:27:20.611]                             muffled <- TRUE
[17:27:20.611]                             break
[17:27:20.611]                           }
[17:27:20.611]                         }
[17:27:20.611]                       }
[17:27:20.611]                       invisible(muffled)
[17:27:20.611]                     }
[17:27:20.611]                     muffleCondition(cond, pattern = "^muffle")
[17:27:20.611]                   }
[17:27:20.611]                 }
[17:27:20.611]                 else {
[17:27:20.611]                   if (TRUE) {
[17:27:20.611]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.611]                     {
[17:27:20.611]                       inherits <- base::inherits
[17:27:20.611]                       invokeRestart <- base::invokeRestart
[17:27:20.611]                       is.null <- base::is.null
[17:27:20.611]                       muffled <- FALSE
[17:27:20.611]                       if (inherits(cond, "message")) {
[17:27:20.611]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:20.611]                         if (muffled) 
[17:27:20.611]                           invokeRestart("muffleMessage")
[17:27:20.611]                       }
[17:27:20.611]                       else if (inherits(cond, "warning")) {
[17:27:20.611]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:20.611]                         if (muffled) 
[17:27:20.611]                           invokeRestart("muffleWarning")
[17:27:20.611]                       }
[17:27:20.611]                       else if (inherits(cond, "condition")) {
[17:27:20.611]                         if (!is.null(pattern)) {
[17:27:20.611]                           computeRestarts <- base::computeRestarts
[17:27:20.611]                           grepl <- base::grepl
[17:27:20.611]                           restarts <- computeRestarts(cond)
[17:27:20.611]                           for (restart in restarts) {
[17:27:20.611]                             name <- restart$name
[17:27:20.611]                             if (is.null(name)) 
[17:27:20.611]                               next
[17:27:20.611]                             if (!grepl(pattern, name)) 
[17:27:20.611]                               next
[17:27:20.611]                             invokeRestart(restart)
[17:27:20.611]                             muffled <- TRUE
[17:27:20.611]                             break
[17:27:20.611]                           }
[17:27:20.611]                         }
[17:27:20.611]                       }
[17:27:20.611]                       invisible(muffled)
[17:27:20.611]                     }
[17:27:20.611]                     muffleCondition(cond, pattern = "^muffle")
[17:27:20.611]                   }
[17:27:20.611]                 }
[17:27:20.611]             }
[17:27:20.611]         }))
[17:27:20.611]     }, error = function(ex) {
[17:27:20.611]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:20.611]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:20.611]                 ...future.rng), started = ...future.startTime, 
[17:27:20.611]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:20.611]             version = "1.8"), class = "FutureResult")
[17:27:20.611]     }, finally = {
[17:27:20.611]         if (!identical(...future.workdir, getwd())) 
[17:27:20.611]             setwd(...future.workdir)
[17:27:20.611]         {
[17:27:20.611]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:20.611]                 ...future.oldOptions$nwarnings <- NULL
[17:27:20.611]             }
[17:27:20.611]             base::options(...future.oldOptions)
[17:27:20.611]             if (.Platform$OS.type == "windows") {
[17:27:20.611]                 old_names <- names(...future.oldEnvVars)
[17:27:20.611]                 envs <- base::Sys.getenv()
[17:27:20.611]                 names <- names(envs)
[17:27:20.611]                 common <- intersect(names, old_names)
[17:27:20.611]                 added <- setdiff(names, old_names)
[17:27:20.611]                 removed <- setdiff(old_names, names)
[17:27:20.611]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:20.611]                   envs[common]]
[17:27:20.611]                 NAMES <- toupper(changed)
[17:27:20.611]                 args <- list()
[17:27:20.611]                 for (kk in seq_along(NAMES)) {
[17:27:20.611]                   name <- changed[[kk]]
[17:27:20.611]                   NAME <- NAMES[[kk]]
[17:27:20.611]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.611]                     next
[17:27:20.611]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:20.611]                 }
[17:27:20.611]                 NAMES <- toupper(added)
[17:27:20.611]                 for (kk in seq_along(NAMES)) {
[17:27:20.611]                   name <- added[[kk]]
[17:27:20.611]                   NAME <- NAMES[[kk]]
[17:27:20.611]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.611]                     next
[17:27:20.611]                   args[[name]] <- ""
[17:27:20.611]                 }
[17:27:20.611]                 NAMES <- toupper(removed)
[17:27:20.611]                 for (kk in seq_along(NAMES)) {
[17:27:20.611]                   name <- removed[[kk]]
[17:27:20.611]                   NAME <- NAMES[[kk]]
[17:27:20.611]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.611]                     next
[17:27:20.611]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:20.611]                 }
[17:27:20.611]                 if (length(args) > 0) 
[17:27:20.611]                   base::do.call(base::Sys.setenv, args = args)
[17:27:20.611]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:20.611]             }
[17:27:20.611]             else {
[17:27:20.611]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:20.611]             }
[17:27:20.611]             {
[17:27:20.611]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:20.611]                   0L) {
[17:27:20.611]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:20.611]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:20.611]                   base::options(opts)
[17:27:20.611]                 }
[17:27:20.611]                 {
[17:27:20.611]                   {
[17:27:20.611]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:20.611]                     NULL
[17:27:20.611]                   }
[17:27:20.611]                   options(future.plan = NULL)
[17:27:20.611]                   if (is.na(NA_character_)) 
[17:27:20.611]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:20.611]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:20.611]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:20.611]                     .init = FALSE)
[17:27:20.611]                 }
[17:27:20.611]             }
[17:27:20.611]         }
[17:27:20.611]     })
[17:27:20.611]     if (TRUE) {
[17:27:20.611]         base::sink(type = "output", split = FALSE)
[17:27:20.611]         if (TRUE) {
[17:27:20.611]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:20.611]         }
[17:27:20.611]         else {
[17:27:20.611]             ...future.result["stdout"] <- base::list(NULL)
[17:27:20.611]         }
[17:27:20.611]         base::close(...future.stdout)
[17:27:20.611]         ...future.stdout <- NULL
[17:27:20.611]     }
[17:27:20.611]     ...future.result$conditions <- ...future.conditions
[17:27:20.611]     ...future.result$finished <- base::Sys.time()
[17:27:20.611]     ...future.result
[17:27:20.611] }
[17:27:20.732] MultisessionFuture started
[17:27:20.732] - Launch lazy future ... done
[17:27:20.733] run() for 'MultisessionFuture' ... done
[17:27:20.734] result() for ClusterFuture ...
[17:27:20.734] receiveMessageFromWorker() for ClusterFuture ...
[17:27:20.735] - Validating connection of MultisessionFuture
[17:27:20.735] - received message: FutureResult
[17:27:20.736] - Received FutureResult
[17:27:20.736] - Erased future from FutureRegistry
[17:27:20.737] result() for ClusterFuture ...
[17:27:20.737] - result already collected: FutureResult
[17:27:20.737] result() for ClusterFuture ... done
[17:27:20.738] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:20.738] result() for ClusterFuture ... done
[17:27:20.738] result() for ClusterFuture ...
[17:27:20.739] - result already collected: FutureResult
[17:27:20.739] result() for ClusterFuture ... done
u$a = 2
[17:27:20.740] result() for ClusterFuture ...
[17:27:20.740] receiveMessageFromWorker() for ClusterFuture ...
[17:27:20.741] - Validating connection of MultisessionFuture
[17:27:20.821] - received message: FutureResult
[17:27:20.822] - Received FutureResult
[17:27:20.822] - Erased future from FutureRegistry
[17:27:20.823] result() for ClusterFuture ...
[17:27:20.823] - result already collected: FutureResult
[17:27:20.823] result() for ClusterFuture ... done
[17:27:20.823] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:20.824] result() for ClusterFuture ... done
[17:27:20.824] result() for ClusterFuture ...
[17:27:20.824] - result already collected: FutureResult
[17:27:20.825] result() for ClusterFuture ... done
v$a = 4
[17:27:20.825] getGlobalsAndPackages() ...
[17:27:20.826] Searching for globals...
[17:27:20.828] - globals found: [3] '{', '*', 'a'
[17:27:20.828] Searching for globals ... DONE
[17:27:20.829] Resolving globals: FALSE
[17:27:20.830] The total size of the 1 globals is 39 bytes (39 bytes)
[17:27:20.831] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 39 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (39 bytes of class 'numeric')
[17:27:20.831] - globals: [1] 'a'
[17:27:20.831] 
[17:27:20.832] getGlobalsAndPackages() ... DONE
[17:27:20.832] run() for 'Future' ...
[17:27:20.833] - state: 'created'
[17:27:20.833] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:20.856] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:20.857] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:20.857]   - Field: 'node'
[17:27:20.857]   - Field: 'label'
[17:27:20.858]   - Field: 'local'
[17:27:20.858]   - Field: 'owner'
[17:27:20.858]   - Field: 'envir'
[17:27:20.859]   - Field: 'workers'
[17:27:20.859]   - Field: 'packages'
[17:27:20.859]   - Field: 'gc'
[17:27:20.860]   - Field: 'conditions'
[17:27:20.860]   - Field: 'persistent'
[17:27:20.860]   - Field: 'expr'
[17:27:20.861]   - Field: 'uuid'
[17:27:20.861]   - Field: 'seed'
[17:27:20.861]   - Field: 'version'
[17:27:20.862]   - Field: 'result'
[17:27:20.862]   - Field: 'asynchronous'
[17:27:20.863]   - Field: 'calls'
[17:27:20.863]   - Field: 'globals'
[17:27:20.863]   - Field: 'stdout'
[17:27:20.864]   - Field: 'earlySignal'
[17:27:20.864]   - Field: 'lazy'
[17:27:20.864]   - Field: 'state'
[17:27:20.865] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:20.865] - Launch lazy future ...
[17:27:20.866] Packages needed by the future expression (n = 0): <none>
[17:27:20.866] Packages needed by future strategies (n = 0): <none>
[17:27:20.867] {
[17:27:20.867]     {
[17:27:20.867]         {
[17:27:20.867]             ...future.startTime <- base::Sys.time()
[17:27:20.867]             {
[17:27:20.867]                 {
[17:27:20.867]                   {
[17:27:20.867]                     {
[17:27:20.867]                       base::local({
[17:27:20.867]                         has_future <- base::requireNamespace("future", 
[17:27:20.867]                           quietly = TRUE)
[17:27:20.867]                         if (has_future) {
[17:27:20.867]                           ns <- base::getNamespace("future")
[17:27:20.867]                           version <- ns[[".package"]][["version"]]
[17:27:20.867]                           if (is.null(version)) 
[17:27:20.867]                             version <- utils::packageVersion("future")
[17:27:20.867]                         }
[17:27:20.867]                         else {
[17:27:20.867]                           version <- NULL
[17:27:20.867]                         }
[17:27:20.867]                         if (!has_future || version < "1.8.0") {
[17:27:20.867]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:20.867]                             "", base::R.version$version.string), 
[17:27:20.867]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:20.867]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:20.867]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:20.867]                               "release", "version")], collapse = " "), 
[17:27:20.867]                             hostname = base::Sys.info()[["nodename"]])
[17:27:20.867]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:20.867]                             info)
[17:27:20.867]                           info <- base::paste(info, collapse = "; ")
[17:27:20.867]                           if (!has_future) {
[17:27:20.867]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:20.867]                               info)
[17:27:20.867]                           }
[17:27:20.867]                           else {
[17:27:20.867]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:20.867]                               info, version)
[17:27:20.867]                           }
[17:27:20.867]                           base::stop(msg)
[17:27:20.867]                         }
[17:27:20.867]                       })
[17:27:20.867]                     }
[17:27:20.867]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:20.867]                     base::options(mc.cores = 1L)
[17:27:20.867]                   }
[17:27:20.867]                   ...future.strategy.old <- future::plan("list")
[17:27:20.867]                   options(future.plan = NULL)
[17:27:20.867]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:20.867]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:20.867]                 }
[17:27:20.867]                 ...future.workdir <- getwd()
[17:27:20.867]             }
[17:27:20.867]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:20.867]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:20.867]         }
[17:27:20.867]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:20.867]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:20.867]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:20.867]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:20.867]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:20.867]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:20.867]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:20.867]             base::names(...future.oldOptions))
[17:27:20.867]     }
[17:27:20.867]     if (FALSE) {
[17:27:20.867]     }
[17:27:20.867]     else {
[17:27:20.867]         if (TRUE) {
[17:27:20.867]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:20.867]                 open = "w")
[17:27:20.867]         }
[17:27:20.867]         else {
[17:27:20.867]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:20.867]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:20.867]         }
[17:27:20.867]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:20.867]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:20.867]             base::sink(type = "output", split = FALSE)
[17:27:20.867]             base::close(...future.stdout)
[17:27:20.867]         }, add = TRUE)
[17:27:20.867]     }
[17:27:20.867]     ...future.frame <- base::sys.nframe()
[17:27:20.867]     ...future.conditions <- base::list()
[17:27:20.867]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:20.867]     if (FALSE) {
[17:27:20.867]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:20.867]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:20.867]     }
[17:27:20.867]     ...future.result <- base::tryCatch({
[17:27:20.867]         base::withCallingHandlers({
[17:27:20.867]             ...future.value <- base::withVisible(base::local({
[17:27:20.867]                 ...future.makeSendCondition <- base::local({
[17:27:20.867]                   sendCondition <- NULL
[17:27:20.867]                   function(frame = 1L) {
[17:27:20.867]                     if (is.function(sendCondition)) 
[17:27:20.867]                       return(sendCondition)
[17:27:20.867]                     ns <- getNamespace("parallel")
[17:27:20.867]                     if (exists("sendData", mode = "function", 
[17:27:20.867]                       envir = ns)) {
[17:27:20.867]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:20.867]                         envir = ns)
[17:27:20.867]                       envir <- sys.frame(frame)
[17:27:20.867]                       master <- NULL
[17:27:20.867]                       while (!identical(envir, .GlobalEnv) && 
[17:27:20.867]                         !identical(envir, emptyenv())) {
[17:27:20.867]                         if (exists("master", mode = "list", envir = envir, 
[17:27:20.867]                           inherits = FALSE)) {
[17:27:20.867]                           master <- get("master", mode = "list", 
[17:27:20.867]                             envir = envir, inherits = FALSE)
[17:27:20.867]                           if (inherits(master, c("SOCKnode", 
[17:27:20.867]                             "SOCK0node"))) {
[17:27:20.867]                             sendCondition <<- function(cond) {
[17:27:20.867]                               data <- list(type = "VALUE", value = cond, 
[17:27:20.867]                                 success = TRUE)
[17:27:20.867]                               parallel_sendData(master, data)
[17:27:20.867]                             }
[17:27:20.867]                             return(sendCondition)
[17:27:20.867]                           }
[17:27:20.867]                         }
[17:27:20.867]                         frame <- frame + 1L
[17:27:20.867]                         envir <- sys.frame(frame)
[17:27:20.867]                       }
[17:27:20.867]                     }
[17:27:20.867]                     sendCondition <<- function(cond) NULL
[17:27:20.867]                   }
[17:27:20.867]                 })
[17:27:20.867]                 withCallingHandlers({
[17:27:20.867]                   {
[17:27:20.867]                     2 * a
[17:27:20.867]                   }
[17:27:20.867]                 }, immediateCondition = function(cond) {
[17:27:20.867]                   sendCondition <- ...future.makeSendCondition()
[17:27:20.867]                   sendCondition(cond)
[17:27:20.867]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.867]                   {
[17:27:20.867]                     inherits <- base::inherits
[17:27:20.867]                     invokeRestart <- base::invokeRestart
[17:27:20.867]                     is.null <- base::is.null
[17:27:20.867]                     muffled <- FALSE
[17:27:20.867]                     if (inherits(cond, "message")) {
[17:27:20.867]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:20.867]                       if (muffled) 
[17:27:20.867]                         invokeRestart("muffleMessage")
[17:27:20.867]                     }
[17:27:20.867]                     else if (inherits(cond, "warning")) {
[17:27:20.867]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:20.867]                       if (muffled) 
[17:27:20.867]                         invokeRestart("muffleWarning")
[17:27:20.867]                     }
[17:27:20.867]                     else if (inherits(cond, "condition")) {
[17:27:20.867]                       if (!is.null(pattern)) {
[17:27:20.867]                         computeRestarts <- base::computeRestarts
[17:27:20.867]                         grepl <- base::grepl
[17:27:20.867]                         restarts <- computeRestarts(cond)
[17:27:20.867]                         for (restart in restarts) {
[17:27:20.867]                           name <- restart$name
[17:27:20.867]                           if (is.null(name)) 
[17:27:20.867]                             next
[17:27:20.867]                           if (!grepl(pattern, name)) 
[17:27:20.867]                             next
[17:27:20.867]                           invokeRestart(restart)
[17:27:20.867]                           muffled <- TRUE
[17:27:20.867]                           break
[17:27:20.867]                         }
[17:27:20.867]                       }
[17:27:20.867]                     }
[17:27:20.867]                     invisible(muffled)
[17:27:20.867]                   }
[17:27:20.867]                   muffleCondition(cond)
[17:27:20.867]                 })
[17:27:20.867]             }))
[17:27:20.867]             future::FutureResult(value = ...future.value$value, 
[17:27:20.867]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:20.867]                   ...future.rng), globalenv = if (FALSE) 
[17:27:20.867]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:20.867]                     ...future.globalenv.names))
[17:27:20.867]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:20.867]         }, condition = base::local({
[17:27:20.867]             c <- base::c
[17:27:20.867]             inherits <- base::inherits
[17:27:20.867]             invokeRestart <- base::invokeRestart
[17:27:20.867]             length <- base::length
[17:27:20.867]             list <- base::list
[17:27:20.867]             seq.int <- base::seq.int
[17:27:20.867]             signalCondition <- base::signalCondition
[17:27:20.867]             sys.calls <- base::sys.calls
[17:27:20.867]             `[[` <- base::`[[`
[17:27:20.867]             `+` <- base::`+`
[17:27:20.867]             `<<-` <- base::`<<-`
[17:27:20.867]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:20.867]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:20.867]                   3L)]
[17:27:20.867]             }
[17:27:20.867]             function(cond) {
[17:27:20.867]                 is_error <- inherits(cond, "error")
[17:27:20.867]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:20.867]                   NULL)
[17:27:20.867]                 if (is_error) {
[17:27:20.867]                   sessionInformation <- function() {
[17:27:20.867]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:20.867]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:20.867]                       search = base::search(), system = base::Sys.info())
[17:27:20.867]                   }
[17:27:20.867]                   ...future.conditions[[length(...future.conditions) + 
[17:27:20.867]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:20.867]                     cond$call), session = sessionInformation(), 
[17:27:20.867]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:20.867]                   signalCondition(cond)
[17:27:20.867]                 }
[17:27:20.867]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:20.867]                 "immediateCondition"))) {
[17:27:20.867]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:20.867]                   ...future.conditions[[length(...future.conditions) + 
[17:27:20.867]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:20.867]                   if (TRUE && !signal) {
[17:27:20.867]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.867]                     {
[17:27:20.867]                       inherits <- base::inherits
[17:27:20.867]                       invokeRestart <- base::invokeRestart
[17:27:20.867]                       is.null <- base::is.null
[17:27:20.867]                       muffled <- FALSE
[17:27:20.867]                       if (inherits(cond, "message")) {
[17:27:20.867]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:20.867]                         if (muffled) 
[17:27:20.867]                           invokeRestart("muffleMessage")
[17:27:20.867]                       }
[17:27:20.867]                       else if (inherits(cond, "warning")) {
[17:27:20.867]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:20.867]                         if (muffled) 
[17:27:20.867]                           invokeRestart("muffleWarning")
[17:27:20.867]                       }
[17:27:20.867]                       else if (inherits(cond, "condition")) {
[17:27:20.867]                         if (!is.null(pattern)) {
[17:27:20.867]                           computeRestarts <- base::computeRestarts
[17:27:20.867]                           grepl <- base::grepl
[17:27:20.867]                           restarts <- computeRestarts(cond)
[17:27:20.867]                           for (restart in restarts) {
[17:27:20.867]                             name <- restart$name
[17:27:20.867]                             if (is.null(name)) 
[17:27:20.867]                               next
[17:27:20.867]                             if (!grepl(pattern, name)) 
[17:27:20.867]                               next
[17:27:20.867]                             invokeRestart(restart)
[17:27:20.867]                             muffled <- TRUE
[17:27:20.867]                             break
[17:27:20.867]                           }
[17:27:20.867]                         }
[17:27:20.867]                       }
[17:27:20.867]                       invisible(muffled)
[17:27:20.867]                     }
[17:27:20.867]                     muffleCondition(cond, pattern = "^muffle")
[17:27:20.867]                   }
[17:27:20.867]                 }
[17:27:20.867]                 else {
[17:27:20.867]                   if (TRUE) {
[17:27:20.867]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.867]                     {
[17:27:20.867]                       inherits <- base::inherits
[17:27:20.867]                       invokeRestart <- base::invokeRestart
[17:27:20.867]                       is.null <- base::is.null
[17:27:20.867]                       muffled <- FALSE
[17:27:20.867]                       if (inherits(cond, "message")) {
[17:27:20.867]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:20.867]                         if (muffled) 
[17:27:20.867]                           invokeRestart("muffleMessage")
[17:27:20.867]                       }
[17:27:20.867]                       else if (inherits(cond, "warning")) {
[17:27:20.867]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:20.867]                         if (muffled) 
[17:27:20.867]                           invokeRestart("muffleWarning")
[17:27:20.867]                       }
[17:27:20.867]                       else if (inherits(cond, "condition")) {
[17:27:20.867]                         if (!is.null(pattern)) {
[17:27:20.867]                           computeRestarts <- base::computeRestarts
[17:27:20.867]                           grepl <- base::grepl
[17:27:20.867]                           restarts <- computeRestarts(cond)
[17:27:20.867]                           for (restart in restarts) {
[17:27:20.867]                             name <- restart$name
[17:27:20.867]                             if (is.null(name)) 
[17:27:20.867]                               next
[17:27:20.867]                             if (!grepl(pattern, name)) 
[17:27:20.867]                               next
[17:27:20.867]                             invokeRestart(restart)
[17:27:20.867]                             muffled <- TRUE
[17:27:20.867]                             break
[17:27:20.867]                           }
[17:27:20.867]                         }
[17:27:20.867]                       }
[17:27:20.867]                       invisible(muffled)
[17:27:20.867]                     }
[17:27:20.867]                     muffleCondition(cond, pattern = "^muffle")
[17:27:20.867]                   }
[17:27:20.867]                 }
[17:27:20.867]             }
[17:27:20.867]         }))
[17:27:20.867]     }, error = function(ex) {
[17:27:20.867]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:20.867]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:20.867]                 ...future.rng), started = ...future.startTime, 
[17:27:20.867]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:20.867]             version = "1.8"), class = "FutureResult")
[17:27:20.867]     }, finally = {
[17:27:20.867]         if (!identical(...future.workdir, getwd())) 
[17:27:20.867]             setwd(...future.workdir)
[17:27:20.867]         {
[17:27:20.867]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:20.867]                 ...future.oldOptions$nwarnings <- NULL
[17:27:20.867]             }
[17:27:20.867]             base::options(...future.oldOptions)
[17:27:20.867]             if (.Platform$OS.type == "windows") {
[17:27:20.867]                 old_names <- names(...future.oldEnvVars)
[17:27:20.867]                 envs <- base::Sys.getenv()
[17:27:20.867]                 names <- names(envs)
[17:27:20.867]                 common <- intersect(names, old_names)
[17:27:20.867]                 added <- setdiff(names, old_names)
[17:27:20.867]                 removed <- setdiff(old_names, names)
[17:27:20.867]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:20.867]                   envs[common]]
[17:27:20.867]                 NAMES <- toupper(changed)
[17:27:20.867]                 args <- list()
[17:27:20.867]                 for (kk in seq_along(NAMES)) {
[17:27:20.867]                   name <- changed[[kk]]
[17:27:20.867]                   NAME <- NAMES[[kk]]
[17:27:20.867]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.867]                     next
[17:27:20.867]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:20.867]                 }
[17:27:20.867]                 NAMES <- toupper(added)
[17:27:20.867]                 for (kk in seq_along(NAMES)) {
[17:27:20.867]                   name <- added[[kk]]
[17:27:20.867]                   NAME <- NAMES[[kk]]
[17:27:20.867]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.867]                     next
[17:27:20.867]                   args[[name]] <- ""
[17:27:20.867]                 }
[17:27:20.867]                 NAMES <- toupper(removed)
[17:27:20.867]                 for (kk in seq_along(NAMES)) {
[17:27:20.867]                   name <- removed[[kk]]
[17:27:20.867]                   NAME <- NAMES[[kk]]
[17:27:20.867]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.867]                     next
[17:27:20.867]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:20.867]                 }
[17:27:20.867]                 if (length(args) > 0) 
[17:27:20.867]                   base::do.call(base::Sys.setenv, args = args)
[17:27:20.867]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:20.867]             }
[17:27:20.867]             else {
[17:27:20.867]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:20.867]             }
[17:27:20.867]             {
[17:27:20.867]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:20.867]                   0L) {
[17:27:20.867]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:20.867]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:20.867]                   base::options(opts)
[17:27:20.867]                 }
[17:27:20.867]                 {
[17:27:20.867]                   {
[17:27:20.867]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:20.867]                     NULL
[17:27:20.867]                   }
[17:27:20.867]                   options(future.plan = NULL)
[17:27:20.867]                   if (is.na(NA_character_)) 
[17:27:20.867]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:20.867]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:20.867]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:20.867]                     .init = FALSE)
[17:27:20.867]                 }
[17:27:20.867]             }
[17:27:20.867]         }
[17:27:20.867]     })
[17:27:20.867]     if (TRUE) {
[17:27:20.867]         base::sink(type = "output", split = FALSE)
[17:27:20.867]         if (TRUE) {
[17:27:20.867]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:20.867]         }
[17:27:20.867]         else {
[17:27:20.867]             ...future.result["stdout"] <- base::list(NULL)
[17:27:20.867]         }
[17:27:20.867]         base::close(...future.stdout)
[17:27:20.867]         ...future.stdout <- NULL
[17:27:20.867]     }
[17:27:20.867]     ...future.result$conditions <- ...future.conditions
[17:27:20.867]     ...future.result$finished <- base::Sys.time()
[17:27:20.867]     ...future.result
[17:27:20.867] }
[17:27:20.877] Exporting 1 global objects (342 bytes) to cluster node #1 ...
[17:27:20.877] Exporting 'a' (39 bytes) to cluster node #1 ...
[17:27:20.878] Exporting 'a' (39 bytes) to cluster node #1 ... DONE
[17:27:20.878] Exporting 1 global objects (342 bytes) to cluster node #1 ... DONE
[17:27:20.879] MultisessionFuture started
[17:27:20.880] - Launch lazy future ... done
[17:27:20.880] run() for 'MultisessionFuture' ... done
[17:27:20.881] result() for ClusterFuture ...
[17:27:20.881] receiveMessageFromWorker() for ClusterFuture ...
[17:27:20.881] - Validating connection of MultisessionFuture
[17:27:20.906] - received message: FutureResult
[17:27:20.906] - Received FutureResult
[17:27:20.907] - Erased future from FutureRegistry
[17:27:20.907] result() for ClusterFuture ...
[17:27:20.908] - result already collected: FutureResult
[17:27:20.908] result() for ClusterFuture ... done
[17:27:20.908] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:20.909] result() for ClusterFuture ... done
[17:27:20.909] result() for ClusterFuture ...
[17:27:20.909] - result already collected: FutureResult
[17:27:20.910] result() for ClusterFuture ... done
[17:27:20.910] getGlobalsAndPackages() ...
[17:27:20.911] Searching for globals...
[17:27:20.913] - globals found: [3] '{', '*', 'a'
[17:27:20.913] Searching for globals ... DONE
[17:27:20.914] Resolving globals: FALSE
[17:27:20.915] The total size of the 1 globals is 39 bytes (39 bytes)
[17:27:20.915] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 39 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (39 bytes of class 'numeric')
[17:27:20.916] - globals: [1] 'a'
[17:27:20.916] 
[17:27:20.916] getGlobalsAndPackages() ... DONE
[17:27:20.917] run() for 'Future' ...
[17:27:20.917] - state: 'created'
[17:27:20.918] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:20.944] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:20.944] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:20.945]   - Field: 'node'
[17:27:20.945]   - Field: 'label'
[17:27:20.946]   - Field: 'local'
[17:27:20.946]   - Field: 'owner'
[17:27:20.946]   - Field: 'envir'
[17:27:20.947]   - Field: 'workers'
[17:27:20.947]   - Field: 'packages'
[17:27:20.947]   - Field: 'gc'
[17:27:20.948]   - Field: 'conditions'
[17:27:20.948]   - Field: 'persistent'
[17:27:20.948]   - Field: 'expr'
[17:27:20.949]   - Field: 'uuid'
[17:27:20.949]   - Field: 'seed'
[17:27:20.949]   - Field: 'version'
[17:27:20.950]   - Field: 'result'
[17:27:20.950]   - Field: 'asynchronous'
[17:27:20.951]   - Field: 'calls'
[17:27:20.951]   - Field: 'globals'
[17:27:20.951]   - Field: 'stdout'
[17:27:20.952]   - Field: 'earlySignal'
[17:27:20.952]   - Field: 'lazy'
[17:27:20.952]   - Field: 'state'
[17:27:20.953] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:20.953] - Launch lazy future ...
[17:27:20.954] Packages needed by the future expression (n = 0): <none>
[17:27:20.954] Packages needed by future strategies (n = 0): <none>
[17:27:20.955] {
[17:27:20.955]     {
[17:27:20.955]         {
[17:27:20.955]             ...future.startTime <- base::Sys.time()
[17:27:20.955]             {
[17:27:20.955]                 {
[17:27:20.955]                   {
[17:27:20.955]                     {
[17:27:20.955]                       base::local({
[17:27:20.955]                         has_future <- base::requireNamespace("future", 
[17:27:20.955]                           quietly = TRUE)
[17:27:20.955]                         if (has_future) {
[17:27:20.955]                           ns <- base::getNamespace("future")
[17:27:20.955]                           version <- ns[[".package"]][["version"]]
[17:27:20.955]                           if (is.null(version)) 
[17:27:20.955]                             version <- utils::packageVersion("future")
[17:27:20.955]                         }
[17:27:20.955]                         else {
[17:27:20.955]                           version <- NULL
[17:27:20.955]                         }
[17:27:20.955]                         if (!has_future || version < "1.8.0") {
[17:27:20.955]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:20.955]                             "", base::R.version$version.string), 
[17:27:20.955]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:20.955]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:20.955]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:20.955]                               "release", "version")], collapse = " "), 
[17:27:20.955]                             hostname = base::Sys.info()[["nodename"]])
[17:27:20.955]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:20.955]                             info)
[17:27:20.955]                           info <- base::paste(info, collapse = "; ")
[17:27:20.955]                           if (!has_future) {
[17:27:20.955]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:20.955]                               info)
[17:27:20.955]                           }
[17:27:20.955]                           else {
[17:27:20.955]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:20.955]                               info, version)
[17:27:20.955]                           }
[17:27:20.955]                           base::stop(msg)
[17:27:20.955]                         }
[17:27:20.955]                       })
[17:27:20.955]                     }
[17:27:20.955]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:20.955]                     base::options(mc.cores = 1L)
[17:27:20.955]                   }
[17:27:20.955]                   ...future.strategy.old <- future::plan("list")
[17:27:20.955]                   options(future.plan = NULL)
[17:27:20.955]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:20.955]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:20.955]                 }
[17:27:20.955]                 ...future.workdir <- getwd()
[17:27:20.955]             }
[17:27:20.955]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:20.955]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:20.955]         }
[17:27:20.955]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:20.955]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:20.955]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:20.955]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:20.955]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:20.955]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:20.955]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:20.955]             base::names(...future.oldOptions))
[17:27:20.955]     }
[17:27:20.955]     if (FALSE) {
[17:27:20.955]     }
[17:27:20.955]     else {
[17:27:20.955]         if (TRUE) {
[17:27:20.955]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:20.955]                 open = "w")
[17:27:20.955]         }
[17:27:20.955]         else {
[17:27:20.955]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:20.955]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:20.955]         }
[17:27:20.955]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:20.955]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:20.955]             base::sink(type = "output", split = FALSE)
[17:27:20.955]             base::close(...future.stdout)
[17:27:20.955]         }, add = TRUE)
[17:27:20.955]     }
[17:27:20.955]     ...future.frame <- base::sys.nframe()
[17:27:20.955]     ...future.conditions <- base::list()
[17:27:20.955]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:20.955]     if (FALSE) {
[17:27:20.955]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:20.955]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:20.955]     }
[17:27:20.955]     ...future.result <- base::tryCatch({
[17:27:20.955]         base::withCallingHandlers({
[17:27:20.955]             ...future.value <- base::withVisible(base::local({
[17:27:20.955]                 ...future.makeSendCondition <- base::local({
[17:27:20.955]                   sendCondition <- NULL
[17:27:20.955]                   function(frame = 1L) {
[17:27:20.955]                     if (is.function(sendCondition)) 
[17:27:20.955]                       return(sendCondition)
[17:27:20.955]                     ns <- getNamespace("parallel")
[17:27:20.955]                     if (exists("sendData", mode = "function", 
[17:27:20.955]                       envir = ns)) {
[17:27:20.955]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:20.955]                         envir = ns)
[17:27:20.955]                       envir <- sys.frame(frame)
[17:27:20.955]                       master <- NULL
[17:27:20.955]                       while (!identical(envir, .GlobalEnv) && 
[17:27:20.955]                         !identical(envir, emptyenv())) {
[17:27:20.955]                         if (exists("master", mode = "list", envir = envir, 
[17:27:20.955]                           inherits = FALSE)) {
[17:27:20.955]                           master <- get("master", mode = "list", 
[17:27:20.955]                             envir = envir, inherits = FALSE)
[17:27:20.955]                           if (inherits(master, c("SOCKnode", 
[17:27:20.955]                             "SOCK0node"))) {
[17:27:20.955]                             sendCondition <<- function(cond) {
[17:27:20.955]                               data <- list(type = "VALUE", value = cond, 
[17:27:20.955]                                 success = TRUE)
[17:27:20.955]                               parallel_sendData(master, data)
[17:27:20.955]                             }
[17:27:20.955]                             return(sendCondition)
[17:27:20.955]                           }
[17:27:20.955]                         }
[17:27:20.955]                         frame <- frame + 1L
[17:27:20.955]                         envir <- sys.frame(frame)
[17:27:20.955]                       }
[17:27:20.955]                     }
[17:27:20.955]                     sendCondition <<- function(cond) NULL
[17:27:20.955]                   }
[17:27:20.955]                 })
[17:27:20.955]                 withCallingHandlers({
[17:27:20.955]                   {
[17:27:20.955]                     2 * a
[17:27:20.955]                   }
[17:27:20.955]                 }, immediateCondition = function(cond) {
[17:27:20.955]                   sendCondition <- ...future.makeSendCondition()
[17:27:20.955]                   sendCondition(cond)
[17:27:20.955]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.955]                   {
[17:27:20.955]                     inherits <- base::inherits
[17:27:20.955]                     invokeRestart <- base::invokeRestart
[17:27:20.955]                     is.null <- base::is.null
[17:27:20.955]                     muffled <- FALSE
[17:27:20.955]                     if (inherits(cond, "message")) {
[17:27:20.955]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:20.955]                       if (muffled) 
[17:27:20.955]                         invokeRestart("muffleMessage")
[17:27:20.955]                     }
[17:27:20.955]                     else if (inherits(cond, "warning")) {
[17:27:20.955]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:20.955]                       if (muffled) 
[17:27:20.955]                         invokeRestart("muffleWarning")
[17:27:20.955]                     }
[17:27:20.955]                     else if (inherits(cond, "condition")) {
[17:27:20.955]                       if (!is.null(pattern)) {
[17:27:20.955]                         computeRestarts <- base::computeRestarts
[17:27:20.955]                         grepl <- base::grepl
[17:27:20.955]                         restarts <- computeRestarts(cond)
[17:27:20.955]                         for (restart in restarts) {
[17:27:20.955]                           name <- restart$name
[17:27:20.955]                           if (is.null(name)) 
[17:27:20.955]                             next
[17:27:20.955]                           if (!grepl(pattern, name)) 
[17:27:20.955]                             next
[17:27:20.955]                           invokeRestart(restart)
[17:27:20.955]                           muffled <- TRUE
[17:27:20.955]                           break
[17:27:20.955]                         }
[17:27:20.955]                       }
[17:27:20.955]                     }
[17:27:20.955]                     invisible(muffled)
[17:27:20.955]                   }
[17:27:20.955]                   muffleCondition(cond)
[17:27:20.955]                 })
[17:27:20.955]             }))
[17:27:20.955]             future::FutureResult(value = ...future.value$value, 
[17:27:20.955]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:20.955]                   ...future.rng), globalenv = if (FALSE) 
[17:27:20.955]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:20.955]                     ...future.globalenv.names))
[17:27:20.955]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:20.955]         }, condition = base::local({
[17:27:20.955]             c <- base::c
[17:27:20.955]             inherits <- base::inherits
[17:27:20.955]             invokeRestart <- base::invokeRestart
[17:27:20.955]             length <- base::length
[17:27:20.955]             list <- base::list
[17:27:20.955]             seq.int <- base::seq.int
[17:27:20.955]             signalCondition <- base::signalCondition
[17:27:20.955]             sys.calls <- base::sys.calls
[17:27:20.955]             `[[` <- base::`[[`
[17:27:20.955]             `+` <- base::`+`
[17:27:20.955]             `<<-` <- base::`<<-`
[17:27:20.955]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:20.955]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:20.955]                   3L)]
[17:27:20.955]             }
[17:27:20.955]             function(cond) {
[17:27:20.955]                 is_error <- inherits(cond, "error")
[17:27:20.955]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:20.955]                   NULL)
[17:27:20.955]                 if (is_error) {
[17:27:20.955]                   sessionInformation <- function() {
[17:27:20.955]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:20.955]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:20.955]                       search = base::search(), system = base::Sys.info())
[17:27:20.955]                   }
[17:27:20.955]                   ...future.conditions[[length(...future.conditions) + 
[17:27:20.955]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:20.955]                     cond$call), session = sessionInformation(), 
[17:27:20.955]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:20.955]                   signalCondition(cond)
[17:27:20.955]                 }
[17:27:20.955]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:20.955]                 "immediateCondition"))) {
[17:27:20.955]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:20.955]                   ...future.conditions[[length(...future.conditions) + 
[17:27:20.955]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:20.955]                   if (TRUE && !signal) {
[17:27:20.955]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.955]                     {
[17:27:20.955]                       inherits <- base::inherits
[17:27:20.955]                       invokeRestart <- base::invokeRestart
[17:27:20.955]                       is.null <- base::is.null
[17:27:20.955]                       muffled <- FALSE
[17:27:20.955]                       if (inherits(cond, "message")) {
[17:27:20.955]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:20.955]                         if (muffled) 
[17:27:20.955]                           invokeRestart("muffleMessage")
[17:27:20.955]                       }
[17:27:20.955]                       else if (inherits(cond, "warning")) {
[17:27:20.955]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:20.955]                         if (muffled) 
[17:27:20.955]                           invokeRestart("muffleWarning")
[17:27:20.955]                       }
[17:27:20.955]                       else if (inherits(cond, "condition")) {
[17:27:20.955]                         if (!is.null(pattern)) {
[17:27:20.955]                           computeRestarts <- base::computeRestarts
[17:27:20.955]                           grepl <- base::grepl
[17:27:20.955]                           restarts <- computeRestarts(cond)
[17:27:20.955]                           for (restart in restarts) {
[17:27:20.955]                             name <- restart$name
[17:27:20.955]                             if (is.null(name)) 
[17:27:20.955]                               next
[17:27:20.955]                             if (!grepl(pattern, name)) 
[17:27:20.955]                               next
[17:27:20.955]                             invokeRestart(restart)
[17:27:20.955]                             muffled <- TRUE
[17:27:20.955]                             break
[17:27:20.955]                           }
[17:27:20.955]                         }
[17:27:20.955]                       }
[17:27:20.955]                       invisible(muffled)
[17:27:20.955]                     }
[17:27:20.955]                     muffleCondition(cond, pattern = "^muffle")
[17:27:20.955]                   }
[17:27:20.955]                 }
[17:27:20.955]                 else {
[17:27:20.955]                   if (TRUE) {
[17:27:20.955]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:20.955]                     {
[17:27:20.955]                       inherits <- base::inherits
[17:27:20.955]                       invokeRestart <- base::invokeRestart
[17:27:20.955]                       is.null <- base::is.null
[17:27:20.955]                       muffled <- FALSE
[17:27:20.955]                       if (inherits(cond, "message")) {
[17:27:20.955]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:20.955]                         if (muffled) 
[17:27:20.955]                           invokeRestart("muffleMessage")
[17:27:20.955]                       }
[17:27:20.955]                       else if (inherits(cond, "warning")) {
[17:27:20.955]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:20.955]                         if (muffled) 
[17:27:20.955]                           invokeRestart("muffleWarning")
[17:27:20.955]                       }
[17:27:20.955]                       else if (inherits(cond, "condition")) {
[17:27:20.955]                         if (!is.null(pattern)) {
[17:27:20.955]                           computeRestarts <- base::computeRestarts
[17:27:20.955]                           grepl <- base::grepl
[17:27:20.955]                           restarts <- computeRestarts(cond)
[17:27:20.955]                           for (restart in restarts) {
[17:27:20.955]                             name <- restart$name
[17:27:20.955]                             if (is.null(name)) 
[17:27:20.955]                               next
[17:27:20.955]                             if (!grepl(pattern, name)) 
[17:27:20.955]                               next
[17:27:20.955]                             invokeRestart(restart)
[17:27:20.955]                             muffled <- TRUE
[17:27:20.955]                             break
[17:27:20.955]                           }
[17:27:20.955]                         }
[17:27:20.955]                       }
[17:27:20.955]                       invisible(muffled)
[17:27:20.955]                     }
[17:27:20.955]                     muffleCondition(cond, pattern = "^muffle")
[17:27:20.955]                   }
[17:27:20.955]                 }
[17:27:20.955]             }
[17:27:20.955]         }))
[17:27:20.955]     }, error = function(ex) {
[17:27:20.955]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:20.955]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:20.955]                 ...future.rng), started = ...future.startTime, 
[17:27:20.955]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:20.955]             version = "1.8"), class = "FutureResult")
[17:27:20.955]     }, finally = {
[17:27:20.955]         if (!identical(...future.workdir, getwd())) 
[17:27:20.955]             setwd(...future.workdir)
[17:27:20.955]         {
[17:27:20.955]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:20.955]                 ...future.oldOptions$nwarnings <- NULL
[17:27:20.955]             }
[17:27:20.955]             base::options(...future.oldOptions)
[17:27:20.955]             if (.Platform$OS.type == "windows") {
[17:27:20.955]                 old_names <- names(...future.oldEnvVars)
[17:27:20.955]                 envs <- base::Sys.getenv()
[17:27:20.955]                 names <- names(envs)
[17:27:20.955]                 common <- intersect(names, old_names)
[17:27:20.955]                 added <- setdiff(names, old_names)
[17:27:20.955]                 removed <- setdiff(old_names, names)
[17:27:20.955]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:20.955]                   envs[common]]
[17:27:20.955]                 NAMES <- toupper(changed)
[17:27:20.955]                 args <- list()
[17:27:20.955]                 for (kk in seq_along(NAMES)) {
[17:27:20.955]                   name <- changed[[kk]]
[17:27:20.955]                   NAME <- NAMES[[kk]]
[17:27:20.955]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.955]                     next
[17:27:20.955]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:20.955]                 }
[17:27:20.955]                 NAMES <- toupper(added)
[17:27:20.955]                 for (kk in seq_along(NAMES)) {
[17:27:20.955]                   name <- added[[kk]]
[17:27:20.955]                   NAME <- NAMES[[kk]]
[17:27:20.955]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.955]                     next
[17:27:20.955]                   args[[name]] <- ""
[17:27:20.955]                 }
[17:27:20.955]                 NAMES <- toupper(removed)
[17:27:20.955]                 for (kk in seq_along(NAMES)) {
[17:27:20.955]                   name <- removed[[kk]]
[17:27:20.955]                   NAME <- NAMES[[kk]]
[17:27:20.955]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:20.955]                     next
[17:27:20.955]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:20.955]                 }
[17:27:20.955]                 if (length(args) > 0) 
[17:27:20.955]                   base::do.call(base::Sys.setenv, args = args)
[17:27:20.955]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:20.955]             }
[17:27:20.955]             else {
[17:27:20.955]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:20.955]             }
[17:27:20.955]             {
[17:27:20.955]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:20.955]                   0L) {
[17:27:20.955]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:20.955]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:20.955]                   base::options(opts)
[17:27:20.955]                 }
[17:27:20.955]                 {
[17:27:20.955]                   {
[17:27:20.955]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:20.955]                     NULL
[17:27:20.955]                   }
[17:27:20.955]                   options(future.plan = NULL)
[17:27:20.955]                   if (is.na(NA_character_)) 
[17:27:20.955]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:20.955]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:20.955]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:20.955]                     .init = FALSE)
[17:27:20.955]                 }
[17:27:20.955]             }
[17:27:20.955]         }
[17:27:20.955]     })
[17:27:20.955]     if (TRUE) {
[17:27:20.955]         base::sink(type = "output", split = FALSE)
[17:27:20.955]         if (TRUE) {
[17:27:20.955]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:20.955]         }
[17:27:20.955]         else {
[17:27:20.955]             ...future.result["stdout"] <- base::list(NULL)
[17:27:20.955]         }
[17:27:20.955]         base::close(...future.stdout)
[17:27:20.955]         ...future.stdout <- NULL
[17:27:20.955]     }
[17:27:20.955]     ...future.result$conditions <- ...future.conditions
[17:27:20.955]     ...future.result$finished <- base::Sys.time()
[17:27:20.955]     ...future.result
[17:27:20.955] }
[17:27:20.965] Exporting 1 global objects (342 bytes) to cluster node #1 ...
[17:27:20.965] Exporting 'a' (39 bytes) to cluster node #1 ...
[17:27:20.966] Exporting 'a' (39 bytes) to cluster node #1 ... DONE
[17:27:20.967] Exporting 1 global objects (342 bytes) to cluster node #1 ... DONE
[17:27:20.968] MultisessionFuture started
[17:27:20.968] - Launch lazy future ... done
[17:27:20.969] run() for 'MultisessionFuture' ... done
[17:27:20.969] result() for ClusterFuture ...
[17:27:20.969] receiveMessageFromWorker() for ClusterFuture ...
[17:27:20.970] - Validating connection of MultisessionFuture
[17:27:20.994] - received message: FutureResult
[17:27:20.994] - Received FutureResult
[17:27:20.995] - Erased future from FutureRegistry
[17:27:20.995] result() for ClusterFuture ...
[17:27:20.995] - result already collected: FutureResult
[17:27:20.995] result() for ClusterFuture ... done
[17:27:20.996] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:20.996] result() for ClusterFuture ... done
[17:27:20.996] result() for ClusterFuture ...
[17:27:20.996] - result already collected: FutureResult
[17:27:20.997] result() for ClusterFuture ... done
[17:27:20.997] getGlobalsAndPackages() ...
[17:27:20.997] Searching for globals...
[17:27:20.999] - globals found: [3] '{', '*', 'a'
[17:27:20.999] Searching for globals ... DONE
[17:27:21.000] Resolving globals: FALSE
[17:27:21.000] The total size of the 1 globals is 39 bytes (39 bytes)
[17:27:21.001] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 39 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (39 bytes of class 'numeric')
[17:27:21.001] - globals: [1] 'a'
[17:27:21.001] 
[17:27:21.001] getGlobalsAndPackages() ... DONE
[17:27:21.002] run() for 'Future' ...
[17:27:21.002] - state: 'created'
[17:27:21.002] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:21.018] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:21.019] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:21.019]   - Field: 'node'
[17:27:21.019]   - Field: 'label'
[17:27:21.019]   - Field: 'local'
[17:27:21.019]   - Field: 'owner'
[17:27:21.020]   - Field: 'envir'
[17:27:21.020]   - Field: 'workers'
[17:27:21.020]   - Field: 'packages'
[17:27:21.020]   - Field: 'gc'
[17:27:21.020]   - Field: 'conditions'
[17:27:21.020]   - Field: 'persistent'
[17:27:21.021]   - Field: 'expr'
[17:27:21.021]   - Field: 'uuid'
[17:27:21.021]   - Field: 'seed'
[17:27:21.021]   - Field: 'version'
[17:27:21.021]   - Field: 'result'
[17:27:21.022]   - Field: 'asynchronous'
[17:27:21.022]   - Field: 'calls'
[17:27:21.022]   - Field: 'globals'
[17:27:21.022]   - Field: 'stdout'
[17:27:21.022]   - Field: 'earlySignal'
[17:27:21.023]   - Field: 'lazy'
[17:27:21.023]   - Field: 'state'
[17:27:21.023] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:21.023] - Launch lazy future ...
[17:27:21.024] Packages needed by the future expression (n = 0): <none>
[17:27:21.024] Packages needed by future strategies (n = 0): <none>
[17:27:21.024] {
[17:27:21.024]     {
[17:27:21.024]         {
[17:27:21.024]             ...future.startTime <- base::Sys.time()
[17:27:21.024]             {
[17:27:21.024]                 {
[17:27:21.024]                   {
[17:27:21.024]                     {
[17:27:21.024]                       base::local({
[17:27:21.024]                         has_future <- base::requireNamespace("future", 
[17:27:21.024]                           quietly = TRUE)
[17:27:21.024]                         if (has_future) {
[17:27:21.024]                           ns <- base::getNamespace("future")
[17:27:21.024]                           version <- ns[[".package"]][["version"]]
[17:27:21.024]                           if (is.null(version)) 
[17:27:21.024]                             version <- utils::packageVersion("future")
[17:27:21.024]                         }
[17:27:21.024]                         else {
[17:27:21.024]                           version <- NULL
[17:27:21.024]                         }
[17:27:21.024]                         if (!has_future || version < "1.8.0") {
[17:27:21.024]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:21.024]                             "", base::R.version$version.string), 
[17:27:21.024]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:21.024]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:21.024]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:21.024]                               "release", "version")], collapse = " "), 
[17:27:21.024]                             hostname = base::Sys.info()[["nodename"]])
[17:27:21.024]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:21.024]                             info)
[17:27:21.024]                           info <- base::paste(info, collapse = "; ")
[17:27:21.024]                           if (!has_future) {
[17:27:21.024]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:21.024]                               info)
[17:27:21.024]                           }
[17:27:21.024]                           else {
[17:27:21.024]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:21.024]                               info, version)
[17:27:21.024]                           }
[17:27:21.024]                           base::stop(msg)
[17:27:21.024]                         }
[17:27:21.024]                       })
[17:27:21.024]                     }
[17:27:21.024]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:21.024]                     base::options(mc.cores = 1L)
[17:27:21.024]                   }
[17:27:21.024]                   ...future.strategy.old <- future::plan("list")
[17:27:21.024]                   options(future.plan = NULL)
[17:27:21.024]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:21.024]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:21.024]                 }
[17:27:21.024]                 ...future.workdir <- getwd()
[17:27:21.024]             }
[17:27:21.024]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:21.024]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:21.024]         }
[17:27:21.024]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:21.024]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:21.024]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:21.024]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:21.024]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:21.024]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:21.024]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:21.024]             base::names(...future.oldOptions))
[17:27:21.024]     }
[17:27:21.024]     if (FALSE) {
[17:27:21.024]     }
[17:27:21.024]     else {
[17:27:21.024]         if (TRUE) {
[17:27:21.024]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:21.024]                 open = "w")
[17:27:21.024]         }
[17:27:21.024]         else {
[17:27:21.024]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:21.024]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:21.024]         }
[17:27:21.024]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:21.024]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:21.024]             base::sink(type = "output", split = FALSE)
[17:27:21.024]             base::close(...future.stdout)
[17:27:21.024]         }, add = TRUE)
[17:27:21.024]     }
[17:27:21.024]     ...future.frame <- base::sys.nframe()
[17:27:21.024]     ...future.conditions <- base::list()
[17:27:21.024]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:21.024]     if (FALSE) {
[17:27:21.024]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:21.024]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:21.024]     }
[17:27:21.024]     ...future.result <- base::tryCatch({
[17:27:21.024]         base::withCallingHandlers({
[17:27:21.024]             ...future.value <- base::withVisible(base::local({
[17:27:21.024]                 ...future.makeSendCondition <- base::local({
[17:27:21.024]                   sendCondition <- NULL
[17:27:21.024]                   function(frame = 1L) {
[17:27:21.024]                     if (is.function(sendCondition)) 
[17:27:21.024]                       return(sendCondition)
[17:27:21.024]                     ns <- getNamespace("parallel")
[17:27:21.024]                     if (exists("sendData", mode = "function", 
[17:27:21.024]                       envir = ns)) {
[17:27:21.024]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:21.024]                         envir = ns)
[17:27:21.024]                       envir <- sys.frame(frame)
[17:27:21.024]                       master <- NULL
[17:27:21.024]                       while (!identical(envir, .GlobalEnv) && 
[17:27:21.024]                         !identical(envir, emptyenv())) {
[17:27:21.024]                         if (exists("master", mode = "list", envir = envir, 
[17:27:21.024]                           inherits = FALSE)) {
[17:27:21.024]                           master <- get("master", mode = "list", 
[17:27:21.024]                             envir = envir, inherits = FALSE)
[17:27:21.024]                           if (inherits(master, c("SOCKnode", 
[17:27:21.024]                             "SOCK0node"))) {
[17:27:21.024]                             sendCondition <<- function(cond) {
[17:27:21.024]                               data <- list(type = "VALUE", value = cond, 
[17:27:21.024]                                 success = TRUE)
[17:27:21.024]                               parallel_sendData(master, data)
[17:27:21.024]                             }
[17:27:21.024]                             return(sendCondition)
[17:27:21.024]                           }
[17:27:21.024]                         }
[17:27:21.024]                         frame <- frame + 1L
[17:27:21.024]                         envir <- sys.frame(frame)
[17:27:21.024]                       }
[17:27:21.024]                     }
[17:27:21.024]                     sendCondition <<- function(cond) NULL
[17:27:21.024]                   }
[17:27:21.024]                 })
[17:27:21.024]                 withCallingHandlers({
[17:27:21.024]                   {
[17:27:21.024]                     2 * a
[17:27:21.024]                   }
[17:27:21.024]                 }, immediateCondition = function(cond) {
[17:27:21.024]                   sendCondition <- ...future.makeSendCondition()
[17:27:21.024]                   sendCondition(cond)
[17:27:21.024]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:21.024]                   {
[17:27:21.024]                     inherits <- base::inherits
[17:27:21.024]                     invokeRestart <- base::invokeRestart
[17:27:21.024]                     is.null <- base::is.null
[17:27:21.024]                     muffled <- FALSE
[17:27:21.024]                     if (inherits(cond, "message")) {
[17:27:21.024]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:21.024]                       if (muffled) 
[17:27:21.024]                         invokeRestart("muffleMessage")
[17:27:21.024]                     }
[17:27:21.024]                     else if (inherits(cond, "warning")) {
[17:27:21.024]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:21.024]                       if (muffled) 
[17:27:21.024]                         invokeRestart("muffleWarning")
[17:27:21.024]                     }
[17:27:21.024]                     else if (inherits(cond, "condition")) {
[17:27:21.024]                       if (!is.null(pattern)) {
[17:27:21.024]                         computeRestarts <- base::computeRestarts
[17:27:21.024]                         grepl <- base::grepl
[17:27:21.024]                         restarts <- computeRestarts(cond)
[17:27:21.024]                         for (restart in restarts) {
[17:27:21.024]                           name <- restart$name
[17:27:21.024]                           if (is.null(name)) 
[17:27:21.024]                             next
[17:27:21.024]                           if (!grepl(pattern, name)) 
[17:27:21.024]                             next
[17:27:21.024]                           invokeRestart(restart)
[17:27:21.024]                           muffled <- TRUE
[17:27:21.024]                           break
[17:27:21.024]                         }
[17:27:21.024]                       }
[17:27:21.024]                     }
[17:27:21.024]                     invisible(muffled)
[17:27:21.024]                   }
[17:27:21.024]                   muffleCondition(cond)
[17:27:21.024]                 })
[17:27:21.024]             }))
[17:27:21.024]             future::FutureResult(value = ...future.value$value, 
[17:27:21.024]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:21.024]                   ...future.rng), globalenv = if (FALSE) 
[17:27:21.024]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:21.024]                     ...future.globalenv.names))
[17:27:21.024]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:21.024]         }, condition = base::local({
[17:27:21.024]             c <- base::c
[17:27:21.024]             inherits <- base::inherits
[17:27:21.024]             invokeRestart <- base::invokeRestart
[17:27:21.024]             length <- base::length
[17:27:21.024]             list <- base::list
[17:27:21.024]             seq.int <- base::seq.int
[17:27:21.024]             signalCondition <- base::signalCondition
[17:27:21.024]             sys.calls <- base::sys.calls
[17:27:21.024]             `[[` <- base::`[[`
[17:27:21.024]             `+` <- base::`+`
[17:27:21.024]             `<<-` <- base::`<<-`
[17:27:21.024]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:21.024]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:21.024]                   3L)]
[17:27:21.024]             }
[17:27:21.024]             function(cond) {
[17:27:21.024]                 is_error <- inherits(cond, "error")
[17:27:21.024]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:21.024]                   NULL)
[17:27:21.024]                 if (is_error) {
[17:27:21.024]                   sessionInformation <- function() {
[17:27:21.024]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:21.024]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:21.024]                       search = base::search(), system = base::Sys.info())
[17:27:21.024]                   }
[17:27:21.024]                   ...future.conditions[[length(...future.conditions) + 
[17:27:21.024]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:21.024]                     cond$call), session = sessionInformation(), 
[17:27:21.024]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:21.024]                   signalCondition(cond)
[17:27:21.024]                 }
[17:27:21.024]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:21.024]                 "immediateCondition"))) {
[17:27:21.024]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:21.024]                   ...future.conditions[[length(...future.conditions) + 
[17:27:21.024]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:21.024]                   if (TRUE && !signal) {
[17:27:21.024]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:21.024]                     {
[17:27:21.024]                       inherits <- base::inherits
[17:27:21.024]                       invokeRestart <- base::invokeRestart
[17:27:21.024]                       is.null <- base::is.null
[17:27:21.024]                       muffled <- FALSE
[17:27:21.024]                       if (inherits(cond, "message")) {
[17:27:21.024]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:21.024]                         if (muffled) 
[17:27:21.024]                           invokeRestart("muffleMessage")
[17:27:21.024]                       }
[17:27:21.024]                       else if (inherits(cond, "warning")) {
[17:27:21.024]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:21.024]                         if (muffled) 
[17:27:21.024]                           invokeRestart("muffleWarning")
[17:27:21.024]                       }
[17:27:21.024]                       else if (inherits(cond, "condition")) {
[17:27:21.024]                         if (!is.null(pattern)) {
[17:27:21.024]                           computeRestarts <- base::computeRestarts
[17:27:21.024]                           grepl <- base::grepl
[17:27:21.024]                           restarts <- computeRestarts(cond)
[17:27:21.024]                           for (restart in restarts) {
[17:27:21.024]                             name <- restart$name
[17:27:21.024]                             if (is.null(name)) 
[17:27:21.024]                               next
[17:27:21.024]                             if (!grepl(pattern, name)) 
[17:27:21.024]                               next
[17:27:21.024]                             invokeRestart(restart)
[17:27:21.024]                             muffled <- TRUE
[17:27:21.024]                             break
[17:27:21.024]                           }
[17:27:21.024]                         }
[17:27:21.024]                       }
[17:27:21.024]                       invisible(muffled)
[17:27:21.024]                     }
[17:27:21.024]                     muffleCondition(cond, pattern = "^muffle")
[17:27:21.024]                   }
[17:27:21.024]                 }
[17:27:21.024]                 else {
[17:27:21.024]                   if (TRUE) {
[17:27:21.024]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:21.024]                     {
[17:27:21.024]                       inherits <- base::inherits
[17:27:21.024]                       invokeRestart <- base::invokeRestart
[17:27:21.024]                       is.null <- base::is.null
[17:27:21.024]                       muffled <- FALSE
[17:27:21.024]                       if (inherits(cond, "message")) {
[17:27:21.024]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:21.024]                         if (muffled) 
[17:27:21.024]                           invokeRestart("muffleMessage")
[17:27:21.024]                       }
[17:27:21.024]                       else if (inherits(cond, "warning")) {
[17:27:21.024]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:21.024]                         if (muffled) 
[17:27:21.024]                           invokeRestart("muffleWarning")
[17:27:21.024]                       }
[17:27:21.024]                       else if (inherits(cond, "condition")) {
[17:27:21.024]                         if (!is.null(pattern)) {
[17:27:21.024]                           computeRestarts <- base::computeRestarts
[17:27:21.024]                           grepl <- base::grepl
[17:27:21.024]                           restarts <- computeRestarts(cond)
[17:27:21.024]                           for (restart in restarts) {
[17:27:21.024]                             name <- restart$name
[17:27:21.024]                             if (is.null(name)) 
[17:27:21.024]                               next
[17:27:21.024]                             if (!grepl(pattern, name)) 
[17:27:21.024]                               next
[17:27:21.024]                             invokeRestart(restart)
[17:27:21.024]                             muffled <- TRUE
[17:27:21.024]                             break
[17:27:21.024]                           }
[17:27:21.024]                         }
[17:27:21.024]                       }
[17:27:21.024]                       invisible(muffled)
[17:27:21.024]                     }
[17:27:21.024]                     muffleCondition(cond, pattern = "^muffle")
[17:27:21.024]                   }
[17:27:21.024]                 }
[17:27:21.024]             }
[17:27:21.024]         }))
[17:27:21.024]     }, error = function(ex) {
[17:27:21.024]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:21.024]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:21.024]                 ...future.rng), started = ...future.startTime, 
[17:27:21.024]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:21.024]             version = "1.8"), class = "FutureResult")
[17:27:21.024]     }, finally = {
[17:27:21.024]         if (!identical(...future.workdir, getwd())) 
[17:27:21.024]             setwd(...future.workdir)
[17:27:21.024]         {
[17:27:21.024]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:21.024]                 ...future.oldOptions$nwarnings <- NULL
[17:27:21.024]             }
[17:27:21.024]             base::options(...future.oldOptions)
[17:27:21.024]             if (.Platform$OS.type == "windows") {
[17:27:21.024]                 old_names <- names(...future.oldEnvVars)
[17:27:21.024]                 envs <- base::Sys.getenv()
[17:27:21.024]                 names <- names(envs)
[17:27:21.024]                 common <- intersect(names, old_names)
[17:27:21.024]                 added <- setdiff(names, old_names)
[17:27:21.024]                 removed <- setdiff(old_names, names)
[17:27:21.024]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:21.024]                   envs[common]]
[17:27:21.024]                 NAMES <- toupper(changed)
[17:27:21.024]                 args <- list()
[17:27:21.024]                 for (kk in seq_along(NAMES)) {
[17:27:21.024]                   name <- changed[[kk]]
[17:27:21.024]                   NAME <- NAMES[[kk]]
[17:27:21.024]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:21.024]                     next
[17:27:21.024]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:21.024]                 }
[17:27:21.024]                 NAMES <- toupper(added)
[17:27:21.024]                 for (kk in seq_along(NAMES)) {
[17:27:21.024]                   name <- added[[kk]]
[17:27:21.024]                   NAME <- NAMES[[kk]]
[17:27:21.024]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:21.024]                     next
[17:27:21.024]                   args[[name]] <- ""
[17:27:21.024]                 }
[17:27:21.024]                 NAMES <- toupper(removed)
[17:27:21.024]                 for (kk in seq_along(NAMES)) {
[17:27:21.024]                   name <- removed[[kk]]
[17:27:21.024]                   NAME <- NAMES[[kk]]
[17:27:21.024]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:21.024]                     next
[17:27:21.024]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:21.024]                 }
[17:27:21.024]                 if (length(args) > 0) 
[17:27:21.024]                   base::do.call(base::Sys.setenv, args = args)
[17:27:21.024]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:21.024]             }
[17:27:21.024]             else {
[17:27:21.024]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:21.024]             }
[17:27:21.024]             {
[17:27:21.024]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:21.024]                   0L) {
[17:27:21.024]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:21.024]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:21.024]                   base::options(opts)
[17:27:21.024]                 }
[17:27:21.024]                 {
[17:27:21.024]                   {
[17:27:21.024]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:21.024]                     NULL
[17:27:21.024]                   }
[17:27:21.024]                   options(future.plan = NULL)
[17:27:21.024]                   if (is.na(NA_character_)) 
[17:27:21.024]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:21.024]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:21.024]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:21.024]                     .init = FALSE)
[17:27:21.024]                 }
[17:27:21.024]             }
[17:27:21.024]         }
[17:27:21.024]     })
[17:27:21.024]     if (TRUE) {
[17:27:21.024]         base::sink(type = "output", split = FALSE)
[17:27:21.024]         if (TRUE) {
[17:27:21.024]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:21.024]         }
[17:27:21.024]         else {
[17:27:21.024]             ...future.result["stdout"] <- base::list(NULL)
[17:27:21.024]         }
[17:27:21.024]         base::close(...future.stdout)
[17:27:21.024]         ...future.stdout <- NULL
[17:27:21.024]     }
[17:27:21.024]     ...future.result$conditions <- ...future.conditions
[17:27:21.024]     ...future.result$finished <- base::Sys.time()
[17:27:21.024]     ...future.result
[17:27:21.024] }
[17:27:21.031] Exporting 1 global objects (342 bytes) to cluster node #1 ...
[17:27:21.031] Exporting 'a' (39 bytes) to cluster node #1 ...
[17:27:21.032] Exporting 'a' (39 bytes) to cluster node #1 ... DONE
[17:27:21.032] Exporting 1 global objects (342 bytes) to cluster node #1 ... DONE
[17:27:21.033] MultisessionFuture started
[17:27:21.033] - Launch lazy future ... done
[17:27:21.033] run() for 'MultisessionFuture' ... done
[17:27:21.034] result() for ClusterFuture ...
[17:27:21.034] receiveMessageFromWorker() for ClusterFuture ...
[17:27:21.034] - Validating connection of MultisessionFuture
[17:27:21.058] - received message: FutureResult
[17:27:21.059] - Received FutureResult
[17:27:21.059] - Erased future from FutureRegistry
[17:27:21.060] result() for ClusterFuture ...
[17:27:21.060] - result already collected: FutureResult
[17:27:21.060] result() for ClusterFuture ... done
[17:27:21.061] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:21.061] result() for ClusterFuture ... done
[17:27:21.061] result() for ClusterFuture ...
[17:27:21.061] - result already collected: FutureResult
[17:27:21.062] result() for ClusterFuture ... done
[17:27:21.062] getGlobalsAndPackages() ...
[17:27:21.062] Searching for globals...
[17:27:21.064] - globals found: [3] '{', '*', 'a'
[17:27:21.065] Searching for globals ... DONE
[17:27:21.065] Resolving globals: FALSE
[17:27:21.066] The total size of the 1 globals is 39 bytes (39 bytes)
[17:27:21.067] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 39 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (39 bytes of class 'numeric')
[17:27:21.067] - globals: [1] 'a'
[17:27:21.067] 
[17:27:21.067] getGlobalsAndPackages() ... DONE
[17:27:21.068] run() for 'Future' ...
[17:27:21.068] - state: 'created'
[17:27:21.069] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:21.089] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:21.090] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:21.090]   - Field: 'node'
[17:27:21.091]   - Field: 'label'
[17:27:21.091]   - Field: 'local'
[17:27:21.091]   - Field: 'owner'
[17:27:21.091]   - Field: 'envir'
[17:27:21.092]   - Field: 'workers'
[17:27:21.092]   - Field: 'packages'
[17:27:21.092]   - Field: 'gc'
[17:27:21.093]   - Field: 'conditions'
[17:27:21.093]   - Field: 'persistent'
[17:27:21.093]   - Field: 'expr'
[17:27:21.094]   - Field: 'uuid'
[17:27:21.094]   - Field: 'seed'
[17:27:21.094]   - Field: 'version'
[17:27:21.095]   - Field: 'result'
[17:27:21.095]   - Field: 'asynchronous'
[17:27:21.096]   - Field: 'calls'
[17:27:21.096]   - Field: 'globals'
[17:27:21.096]   - Field: 'stdout'
[17:27:21.097]   - Field: 'earlySignal'
[17:27:21.097]   - Field: 'lazy'
[17:27:21.098]   - Field: 'state'
[17:27:21.098] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:21.098] - Launch lazy future ...
[17:27:21.099] Packages needed by the future expression (n = 0): <none>
[17:27:21.099] Packages needed by future strategies (n = 0): <none>
[17:27:21.101] {
[17:27:21.101]     {
[17:27:21.101]         {
[17:27:21.101]             ...future.startTime <- base::Sys.time()
[17:27:21.101]             {
[17:27:21.101]                 {
[17:27:21.101]                   {
[17:27:21.101]                     {
[17:27:21.101]                       base::local({
[17:27:21.101]                         has_future <- base::requireNamespace("future", 
[17:27:21.101]                           quietly = TRUE)
[17:27:21.101]                         if (has_future) {
[17:27:21.101]                           ns <- base::getNamespace("future")
[17:27:21.101]                           version <- ns[[".package"]][["version"]]
[17:27:21.101]                           if (is.null(version)) 
[17:27:21.101]                             version <- utils::packageVersion("future")
[17:27:21.101]                         }
[17:27:21.101]                         else {
[17:27:21.101]                           version <- NULL
[17:27:21.101]                         }
[17:27:21.101]                         if (!has_future || version < "1.8.0") {
[17:27:21.101]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:21.101]                             "", base::R.version$version.string), 
[17:27:21.101]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:21.101]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:21.101]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:21.101]                               "release", "version")], collapse = " "), 
[17:27:21.101]                             hostname = base::Sys.info()[["nodename"]])
[17:27:21.101]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:21.101]                             info)
[17:27:21.101]                           info <- base::paste(info, collapse = "; ")
[17:27:21.101]                           if (!has_future) {
[17:27:21.101]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:21.101]                               info)
[17:27:21.101]                           }
[17:27:21.101]                           else {
[17:27:21.101]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:21.101]                               info, version)
[17:27:21.101]                           }
[17:27:21.101]                           base::stop(msg)
[17:27:21.101]                         }
[17:27:21.101]                       })
[17:27:21.101]                     }
[17:27:21.101]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:21.101]                     base::options(mc.cores = 1L)
[17:27:21.101]                   }
[17:27:21.101]                   ...future.strategy.old <- future::plan("list")
[17:27:21.101]                   options(future.plan = NULL)
[17:27:21.101]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:21.101]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:21.101]                 }
[17:27:21.101]                 ...future.workdir <- getwd()
[17:27:21.101]             }
[17:27:21.101]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:21.101]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:21.101]         }
[17:27:21.101]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:21.101]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:21.101]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:21.101]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:21.101]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:21.101]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:21.101]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:21.101]             base::names(...future.oldOptions))
[17:27:21.101]     }
[17:27:21.101]     if (FALSE) {
[17:27:21.101]     }
[17:27:21.101]     else {
[17:27:21.101]         if (TRUE) {
[17:27:21.101]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:21.101]                 open = "w")
[17:27:21.101]         }
[17:27:21.101]         else {
[17:27:21.101]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:21.101]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:21.101]         }
[17:27:21.101]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:21.101]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:21.101]             base::sink(type = "output", split = FALSE)
[17:27:21.101]             base::close(...future.stdout)
[17:27:21.101]         }, add = TRUE)
[17:27:21.101]     }
[17:27:21.101]     ...future.frame <- base::sys.nframe()
[17:27:21.101]     ...future.conditions <- base::list()
[17:27:21.101]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:21.101]     if (FALSE) {
[17:27:21.101]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:21.101]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:21.101]     }
[17:27:21.101]     ...future.result <- base::tryCatch({
[17:27:21.101]         base::withCallingHandlers({
[17:27:21.101]             ...future.value <- base::withVisible(base::local({
[17:27:21.101]                 ...future.makeSendCondition <- base::local({
[17:27:21.101]                   sendCondition <- NULL
[17:27:21.101]                   function(frame = 1L) {
[17:27:21.101]                     if (is.function(sendCondition)) 
[17:27:21.101]                       return(sendCondition)
[17:27:21.101]                     ns <- getNamespace("parallel")
[17:27:21.101]                     if (exists("sendData", mode = "function", 
[17:27:21.101]                       envir = ns)) {
[17:27:21.101]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:21.101]                         envir = ns)
[17:27:21.101]                       envir <- sys.frame(frame)
[17:27:21.101]                       master <- NULL
[17:27:21.101]                       while (!identical(envir, .GlobalEnv) && 
[17:27:21.101]                         !identical(envir, emptyenv())) {
[17:27:21.101]                         if (exists("master", mode = "list", envir = envir, 
[17:27:21.101]                           inherits = FALSE)) {
[17:27:21.101]                           master <- get("master", mode = "list", 
[17:27:21.101]                             envir = envir, inherits = FALSE)
[17:27:21.101]                           if (inherits(master, c("SOCKnode", 
[17:27:21.101]                             "SOCK0node"))) {
[17:27:21.101]                             sendCondition <<- function(cond) {
[17:27:21.101]                               data <- list(type = "VALUE", value = cond, 
[17:27:21.101]                                 success = TRUE)
[17:27:21.101]                               parallel_sendData(master, data)
[17:27:21.101]                             }
[17:27:21.101]                             return(sendCondition)
[17:27:21.101]                           }
[17:27:21.101]                         }
[17:27:21.101]                         frame <- frame + 1L
[17:27:21.101]                         envir <- sys.frame(frame)
[17:27:21.101]                       }
[17:27:21.101]                     }
[17:27:21.101]                     sendCondition <<- function(cond) NULL
[17:27:21.101]                   }
[17:27:21.101]                 })
[17:27:21.101]                 withCallingHandlers({
[17:27:21.101]                   {
[17:27:21.101]                     2 * a
[17:27:21.101]                   }
[17:27:21.101]                 }, immediateCondition = function(cond) {
[17:27:21.101]                   sendCondition <- ...future.makeSendCondition()
[17:27:21.101]                   sendCondition(cond)
[17:27:21.101]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:21.101]                   {
[17:27:21.101]                     inherits <- base::inherits
[17:27:21.101]                     invokeRestart <- base::invokeRestart
[17:27:21.101]                     is.null <- base::is.null
[17:27:21.101]                     muffled <- FALSE
[17:27:21.101]                     if (inherits(cond, "message")) {
[17:27:21.101]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:21.101]                       if (muffled) 
[17:27:21.101]                         invokeRestart("muffleMessage")
[17:27:21.101]                     }
[17:27:21.101]                     else if (inherits(cond, "warning")) {
[17:27:21.101]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:21.101]                       if (muffled) 
[17:27:21.101]                         invokeRestart("muffleWarning")
[17:27:21.101]                     }
[17:27:21.101]                     else if (inherits(cond, "condition")) {
[17:27:21.101]                       if (!is.null(pattern)) {
[17:27:21.101]                         computeRestarts <- base::computeRestarts
[17:27:21.101]                         grepl <- base::grepl
[17:27:21.101]                         restarts <- computeRestarts(cond)
[17:27:21.101]                         for (restart in restarts) {
[17:27:21.101]                           name <- restart$name
[17:27:21.101]                           if (is.null(name)) 
[17:27:21.101]                             next
[17:27:21.101]                           if (!grepl(pattern, name)) 
[17:27:21.101]                             next
[17:27:21.101]                           invokeRestart(restart)
[17:27:21.101]                           muffled <- TRUE
[17:27:21.101]                           break
[17:27:21.101]                         }
[17:27:21.101]                       }
[17:27:21.101]                     }
[17:27:21.101]                     invisible(muffled)
[17:27:21.101]                   }
[17:27:21.101]                   muffleCondition(cond)
[17:27:21.101]                 })
[17:27:21.101]             }))
[17:27:21.101]             future::FutureResult(value = ...future.value$value, 
[17:27:21.101]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:21.101]                   ...future.rng), globalenv = if (FALSE) 
[17:27:21.101]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:21.101]                     ...future.globalenv.names))
[17:27:21.101]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:21.101]         }, condition = base::local({
[17:27:21.101]             c <- base::c
[17:27:21.101]             inherits <- base::inherits
[17:27:21.101]             invokeRestart <- base::invokeRestart
[17:27:21.101]             length <- base::length
[17:27:21.101]             list <- base::list
[17:27:21.101]             seq.int <- base::seq.int
[17:27:21.101]             signalCondition <- base::signalCondition
[17:27:21.101]             sys.calls <- base::sys.calls
[17:27:21.101]             `[[` <- base::`[[`
[17:27:21.101]             `+` <- base::`+`
[17:27:21.101]             `<<-` <- base::`<<-`
[17:27:21.101]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:21.101]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:21.101]                   3L)]
[17:27:21.101]             }
[17:27:21.101]             function(cond) {
[17:27:21.101]                 is_error <- inherits(cond, "error")
[17:27:21.101]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:21.101]                   NULL)
[17:27:21.101]                 if (is_error) {
[17:27:21.101]                   sessionInformation <- function() {
[17:27:21.101]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:21.101]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:21.101]                       search = base::search(), system = base::Sys.info())
[17:27:21.101]                   }
[17:27:21.101]                   ...future.conditions[[length(...future.conditions) + 
[17:27:21.101]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:21.101]                     cond$call), session = sessionInformation(), 
[17:27:21.101]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:21.101]                   signalCondition(cond)
[17:27:21.101]                 }
[17:27:21.101]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:21.101]                 "immediateCondition"))) {
[17:27:21.101]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:21.101]                   ...future.conditions[[length(...future.conditions) + 
[17:27:21.101]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:21.101]                   if (TRUE && !signal) {
[17:27:21.101]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:21.101]                     {
[17:27:21.101]                       inherits <- base::inherits
[17:27:21.101]                       invokeRestart <- base::invokeRestart
[17:27:21.101]                       is.null <- base::is.null
[17:27:21.101]                       muffled <- FALSE
[17:27:21.101]                       if (inherits(cond, "message")) {
[17:27:21.101]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:21.101]                         if (muffled) 
[17:27:21.101]                           invokeRestart("muffleMessage")
[17:27:21.101]                       }
[17:27:21.101]                       else if (inherits(cond, "warning")) {
[17:27:21.101]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:21.101]                         if (muffled) 
[17:27:21.101]                           invokeRestart("muffleWarning")
[17:27:21.101]                       }
[17:27:21.101]                       else if (inherits(cond, "condition")) {
[17:27:21.101]                         if (!is.null(pattern)) {
[17:27:21.101]                           computeRestarts <- base::computeRestarts
[17:27:21.101]                           grepl <- base::grepl
[17:27:21.101]                           restarts <- computeRestarts(cond)
[17:27:21.101]                           for (restart in restarts) {
[17:27:21.101]                             name <- restart$name
[17:27:21.101]                             if (is.null(name)) 
[17:27:21.101]                               next
[17:27:21.101]                             if (!grepl(pattern, name)) 
[17:27:21.101]                               next
[17:27:21.101]                             invokeRestart(restart)
[17:27:21.101]                             muffled <- TRUE
[17:27:21.101]                             break
[17:27:21.101]                           }
[17:27:21.101]                         }
[17:27:21.101]                       }
[17:27:21.101]                       invisible(muffled)
[17:27:21.101]                     }
[17:27:21.101]                     muffleCondition(cond, pattern = "^muffle")
[17:27:21.101]                   }
[17:27:21.101]                 }
[17:27:21.101]                 else {
[17:27:21.101]                   if (TRUE) {
[17:27:21.101]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:21.101]                     {
[17:27:21.101]                       inherits <- base::inherits
[17:27:21.101]                       invokeRestart <- base::invokeRestart
[17:27:21.101]                       is.null <- base::is.null
[17:27:21.101]                       muffled <- FALSE
[17:27:21.101]                       if (inherits(cond, "message")) {
[17:27:21.101]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:21.101]                         if (muffled) 
[17:27:21.101]                           invokeRestart("muffleMessage")
[17:27:21.101]                       }
[17:27:21.101]                       else if (inherits(cond, "warning")) {
[17:27:21.101]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:21.101]                         if (muffled) 
[17:27:21.101]                           invokeRestart("muffleWarning")
[17:27:21.101]                       }
[17:27:21.101]                       else if (inherits(cond, "condition")) {
[17:27:21.101]                         if (!is.null(pattern)) {
[17:27:21.101]                           computeRestarts <- base::computeRestarts
[17:27:21.101]                           grepl <- base::grepl
[17:27:21.101]                           restarts <- computeRestarts(cond)
[17:27:21.101]                           for (restart in restarts) {
[17:27:21.101]                             name <- restart$name
[17:27:21.101]                             if (is.null(name)) 
[17:27:21.101]                               next
[17:27:21.101]                             if (!grepl(pattern, name)) 
[17:27:21.101]                               next
[17:27:21.101]                             invokeRestart(restart)
[17:27:21.101]                             muffled <- TRUE
[17:27:21.101]                             break
[17:27:21.101]                           }
[17:27:21.101]                         }
[17:27:21.101]                       }
[17:27:21.101]                       invisible(muffled)
[17:27:21.101]                     }
[17:27:21.101]                     muffleCondition(cond, pattern = "^muffle")
[17:27:21.101]                   }
[17:27:21.101]                 }
[17:27:21.101]             }
[17:27:21.101]         }))
[17:27:21.101]     }, error = function(ex) {
[17:27:21.101]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:21.101]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:21.101]                 ...future.rng), started = ...future.startTime, 
[17:27:21.101]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:21.101]             version = "1.8"), class = "FutureResult")
[17:27:21.101]     }, finally = {
[17:27:21.101]         if (!identical(...future.workdir, getwd())) 
[17:27:21.101]             setwd(...future.workdir)
[17:27:21.101]         {
[17:27:21.101]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:21.101]                 ...future.oldOptions$nwarnings <- NULL
[17:27:21.101]             }
[17:27:21.101]             base::options(...future.oldOptions)
[17:27:21.101]             if (.Platform$OS.type == "windows") {
[17:27:21.101]                 old_names <- names(...future.oldEnvVars)
[17:27:21.101]                 envs <- base::Sys.getenv()
[17:27:21.101]                 names <- names(envs)
[17:27:21.101]                 common <- intersect(names, old_names)
[17:27:21.101]                 added <- setdiff(names, old_names)
[17:27:21.101]                 removed <- setdiff(old_names, names)
[17:27:21.101]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:21.101]                   envs[common]]
[17:27:21.101]                 NAMES <- toupper(changed)
[17:27:21.101]                 args <- list()
[17:27:21.101]                 for (kk in seq_along(NAMES)) {
[17:27:21.101]                   name <- changed[[kk]]
[17:27:21.101]                   NAME <- NAMES[[kk]]
[17:27:21.101]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:21.101]                     next
[17:27:21.101]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:21.101]                 }
[17:27:21.101]                 NAMES <- toupper(added)
[17:27:21.101]                 for (kk in seq_along(NAMES)) {
[17:27:21.101]                   name <- added[[kk]]
[17:27:21.101]                   NAME <- NAMES[[kk]]
[17:27:21.101]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:21.101]                     next
[17:27:21.101]                   args[[name]] <- ""
[17:27:21.101]                 }
[17:27:21.101]                 NAMES <- toupper(removed)
[17:27:21.101]                 for (kk in seq_along(NAMES)) {
[17:27:21.101]                   name <- removed[[kk]]
[17:27:21.101]                   NAME <- NAMES[[kk]]
[17:27:21.101]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:21.101]                     next
[17:27:21.101]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:21.101]                 }
[17:27:21.101]                 if (length(args) > 0) 
[17:27:21.101]                   base::do.call(base::Sys.setenv, args = args)
[17:27:21.101]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:21.101]             }
[17:27:21.101]             else {
[17:27:21.101]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:21.101]             }
[17:27:21.101]             {
[17:27:21.101]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:21.101]                   0L) {
[17:27:21.101]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:21.101]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:21.101]                   base::options(opts)
[17:27:21.101]                 }
[17:27:21.101]                 {
[17:27:21.101]                   {
[17:27:21.101]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:21.101]                     NULL
[17:27:21.101]                   }
[17:27:21.101]                   options(future.plan = NULL)
[17:27:21.101]                   if (is.na(NA_character_)) 
[17:27:21.101]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:21.101]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:21.101]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:21.101]                     .init = FALSE)
[17:27:21.101]                 }
[17:27:21.101]             }
[17:27:21.101]         }
[17:27:21.101]     })
[17:27:21.101]     if (TRUE) {
[17:27:21.101]         base::sink(type = "output", split = FALSE)
[17:27:21.101]         if (TRUE) {
[17:27:21.101]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:21.101]         }
[17:27:21.101]         else {
[17:27:21.101]             ...future.result["stdout"] <- base::list(NULL)
[17:27:21.101]         }
[17:27:21.101]         base::close(...future.stdout)
[17:27:21.101]         ...future.stdout <- NULL
[17:27:21.101]     }
[17:27:21.101]     ...future.result$conditions <- ...future.conditions
[17:27:21.101]     ...future.result$finished <- base::Sys.time()
[17:27:21.101]     ...future.result
[17:27:21.101] }
[17:27:21.111] Exporting 1 global objects (342 bytes) to cluster node #1 ...
[17:27:21.112] Exporting 'a' (39 bytes) to cluster node #1 ...
[17:27:21.112] Exporting 'a' (39 bytes) to cluster node #1 ... DONE
[17:27:21.113] Exporting 1 global objects (342 bytes) to cluster node #1 ... DONE
[17:27:21.114] MultisessionFuture started
[17:27:21.114] - Launch lazy future ... done
[17:27:21.114] run() for 'MultisessionFuture' ... done
[17:27:21.115] result() for ClusterFuture ...
[17:27:21.115] receiveMessageFromWorker() for ClusterFuture ...
[17:27:21.115] - Validating connection of MultisessionFuture
[17:27:21.143] - received message: FutureResult
[17:27:21.144] - Received FutureResult
[17:27:21.144] - Erased future from FutureRegistry
[17:27:21.144] result() for ClusterFuture ...
[17:27:21.144] - result already collected: FutureResult
[17:27:21.144] result() for ClusterFuture ... done
[17:27:21.145] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:21.145] result() for ClusterFuture ... done
[17:27:21.145] result() for ClusterFuture ...
[17:27:21.145] - result already collected: FutureResult
[17:27:21.145] result() for ClusterFuture ... done
[17:27:21.146] getGlobalsAndPackages() ...
[17:27:21.146] Searching for globals...
[17:27:21.147] - globals found: [3] '{', '*', 'a'
[17:27:21.148] Searching for globals ... DONE
[17:27:21.148] Resolving globals: FALSE
[17:27:21.148] The total size of the 1 globals is 39 bytes (39 bytes)
[17:27:21.149] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 39 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (39 bytes of class 'numeric')
[17:27:21.149] - globals: [1] 'a'
[17:27:21.149] 
[17:27:21.149] getGlobalsAndPackages() ... DONE
[17:27:21.150] run() for 'Future' ...
[17:27:21.150] - state: 'created'
[17:27:21.150] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:21.169] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:21.169] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:21.170]   - Field: 'node'
[17:27:21.170]   - Field: 'label'
[17:27:21.170]   - Field: 'local'
[17:27:21.171]   - Field: 'owner'
[17:27:21.171]   - Field: 'envir'
[17:27:21.172]   - Field: 'workers'
[17:27:21.172]   - Field: 'packages'
[17:27:21.172]   - Field: 'gc'
[17:27:21.173]   - Field: 'conditions'
[17:27:21.173]   - Field: 'persistent'
[17:27:21.173]   - Field: 'expr'
[17:27:21.174]   - Field: 'uuid'
[17:27:21.174]   - Field: 'seed'
[17:27:21.174]   - Field: 'version'
[17:27:21.175]   - Field: 'result'
[17:27:21.175]   - Field: 'asynchronous'
[17:27:21.175]   - Field: 'calls'
[17:27:21.176]   - Field: 'globals'
[17:27:21.176]   - Field: 'stdout'
[17:27:21.176]   - Field: 'earlySignal'
[17:27:21.177]   - Field: 'lazy'
[17:27:21.177]   - Field: 'state'
[17:27:21.177] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:21.178] - Launch lazy future ...
[17:27:21.178] Packages needed by the future expression (n = 0): <none>
[17:27:21.179] Packages needed by future strategies (n = 0): <none>
[17:27:21.180] {
[17:27:21.180]     {
[17:27:21.180]         {
[17:27:21.180]             ...future.startTime <- base::Sys.time()
[17:27:21.180]             {
[17:27:21.180]                 {
[17:27:21.180]                   {
[17:27:21.180]                     {
[17:27:21.180]                       base::local({
[17:27:21.180]                         has_future <- base::requireNamespace("future", 
[17:27:21.180]                           quietly = TRUE)
[17:27:21.180]                         if (has_future) {
[17:27:21.180]                           ns <- base::getNamespace("future")
[17:27:21.180]                           version <- ns[[".package"]][["version"]]
[17:27:21.180]                           if (is.null(version)) 
[17:27:21.180]                             version <- utils::packageVersion("future")
[17:27:21.180]                         }
[17:27:21.180]                         else {
[17:27:21.180]                           version <- NULL
[17:27:21.180]                         }
[17:27:21.180]                         if (!has_future || version < "1.8.0") {
[17:27:21.180]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:21.180]                             "", base::R.version$version.string), 
[17:27:21.180]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:21.180]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:21.180]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:21.180]                               "release", "version")], collapse = " "), 
[17:27:21.180]                             hostname = base::Sys.info()[["nodename"]])
[17:27:21.180]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:21.180]                             info)
[17:27:21.180]                           info <- base::paste(info, collapse = "; ")
[17:27:21.180]                           if (!has_future) {
[17:27:21.180]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:21.180]                               info)
[17:27:21.180]                           }
[17:27:21.180]                           else {
[17:27:21.180]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:21.180]                               info, version)
[17:27:21.180]                           }
[17:27:21.180]                           base::stop(msg)
[17:27:21.180]                         }
[17:27:21.180]                       })
[17:27:21.180]                     }
[17:27:21.180]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:21.180]                     base::options(mc.cores = 1L)
[17:27:21.180]                   }
[17:27:21.180]                   ...future.strategy.old <- future::plan("list")
[17:27:21.180]                   options(future.plan = NULL)
[17:27:21.180]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:21.180]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:21.180]                 }
[17:27:21.180]                 ...future.workdir <- getwd()
[17:27:21.180]             }
[17:27:21.180]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:21.180]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:21.180]         }
[17:27:21.180]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:21.180]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:21.180]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:21.180]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:21.180]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:21.180]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:21.180]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:21.180]             base::names(...future.oldOptions))
[17:27:21.180]     }
[17:27:21.180]     if (FALSE) {
[17:27:21.180]     }
[17:27:21.180]     else {
[17:27:21.180]         if (TRUE) {
[17:27:21.180]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:21.180]                 open = "w")
[17:27:21.180]         }
[17:27:21.180]         else {
[17:27:21.180]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:21.180]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:21.180]         }
[17:27:21.180]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:21.180]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:21.180]             base::sink(type = "output", split = FALSE)
[17:27:21.180]             base::close(...future.stdout)
[17:27:21.180]         }, add = TRUE)
[17:27:21.180]     }
[17:27:21.180]     ...future.frame <- base::sys.nframe()
[17:27:21.180]     ...future.conditions <- base::list()
[17:27:21.180]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:21.180]     if (FALSE) {
[17:27:21.180]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:21.180]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:21.180]     }
[17:27:21.180]     ...future.result <- base::tryCatch({
[17:27:21.180]         base::withCallingHandlers({
[17:27:21.180]             ...future.value <- base::withVisible(base::local({
[17:27:21.180]                 ...future.makeSendCondition <- base::local({
[17:27:21.180]                   sendCondition <- NULL
[17:27:21.180]                   function(frame = 1L) {
[17:27:21.180]                     if (is.function(sendCondition)) 
[17:27:21.180]                       return(sendCondition)
[17:27:21.180]                     ns <- getNamespace("parallel")
[17:27:21.180]                     if (exists("sendData", mode = "function", 
[17:27:21.180]                       envir = ns)) {
[17:27:21.180]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:21.180]                         envir = ns)
[17:27:21.180]                       envir <- sys.frame(frame)
[17:27:21.180]                       master <- NULL
[17:27:21.180]                       while (!identical(envir, .GlobalEnv) && 
[17:27:21.180]                         !identical(envir, emptyenv())) {
[17:27:21.180]                         if (exists("master", mode = "list", envir = envir, 
[17:27:21.180]                           inherits = FALSE)) {
[17:27:21.180]                           master <- get("master", mode = "list", 
[17:27:21.180]                             envir = envir, inherits = FALSE)
[17:27:21.180]                           if (inherits(master, c("SOCKnode", 
[17:27:21.180]                             "SOCK0node"))) {
[17:27:21.180]                             sendCondition <<- function(cond) {
[17:27:21.180]                               data <- list(type = "VALUE", value = cond, 
[17:27:21.180]                                 success = TRUE)
[17:27:21.180]                               parallel_sendData(master, data)
[17:27:21.180]                             }
[17:27:21.180]                             return(sendCondition)
[17:27:21.180]                           }
[17:27:21.180]                         }
[17:27:21.180]                         frame <- frame + 1L
[17:27:21.180]                         envir <- sys.frame(frame)
[17:27:21.180]                       }
[17:27:21.180]                     }
[17:27:21.180]                     sendCondition <<- function(cond) NULL
[17:27:21.180]                   }
[17:27:21.180]                 })
[17:27:21.180]                 withCallingHandlers({
[17:27:21.180]                   {
[17:27:21.180]                     2 * a
[17:27:21.180]                   }
[17:27:21.180]                 }, immediateCondition = function(cond) {
[17:27:21.180]                   sendCondition <- ...future.makeSendCondition()
[17:27:21.180]                   sendCondition(cond)
[17:27:21.180]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:21.180]                   {
[17:27:21.180]                     inherits <- base::inherits
[17:27:21.180]                     invokeRestart <- base::invokeRestart
[17:27:21.180]                     is.null <- base::is.null
[17:27:21.180]                     muffled <- FALSE
[17:27:21.180]                     if (inherits(cond, "message")) {
[17:27:21.180]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:21.180]                       if (muffled) 
[17:27:21.180]                         invokeRestart("muffleMessage")
[17:27:21.180]                     }
[17:27:21.180]                     else if (inherits(cond, "warning")) {
[17:27:21.180]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:21.180]                       if (muffled) 
[17:27:21.180]                         invokeRestart("muffleWarning")
[17:27:21.180]                     }
[17:27:21.180]                     else if (inherits(cond, "condition")) {
[17:27:21.180]                       if (!is.null(pattern)) {
[17:27:21.180]                         computeRestarts <- base::computeRestarts
[17:27:21.180]                         grepl <- base::grepl
[17:27:21.180]                         restarts <- computeRestarts(cond)
[17:27:21.180]                         for (restart in restarts) {
[17:27:21.180]                           name <- restart$name
[17:27:21.180]                           if (is.null(name)) 
[17:27:21.180]                             next
[17:27:21.180]                           if (!grepl(pattern, name)) 
[17:27:21.180]                             next
[17:27:21.180]                           invokeRestart(restart)
[17:27:21.180]                           muffled <- TRUE
[17:27:21.180]                           break
[17:27:21.180]                         }
[17:27:21.180]                       }
[17:27:21.180]                     }
[17:27:21.180]                     invisible(muffled)
[17:27:21.180]                   }
[17:27:21.180]                   muffleCondition(cond)
[17:27:21.180]                 })
[17:27:21.180]             }))
[17:27:21.180]             future::FutureResult(value = ...future.value$value, 
[17:27:21.180]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:21.180]                   ...future.rng), globalenv = if (FALSE) 
[17:27:21.180]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:21.180]                     ...future.globalenv.names))
[17:27:21.180]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:21.180]         }, condition = base::local({
[17:27:21.180]             c <- base::c
[17:27:21.180]             inherits <- base::inherits
[17:27:21.180]             invokeRestart <- base::invokeRestart
[17:27:21.180]             length <- base::length
[17:27:21.180]             list <- base::list
[17:27:21.180]             seq.int <- base::seq.int
[17:27:21.180]             signalCondition <- base::signalCondition
[17:27:21.180]             sys.calls <- base::sys.calls
[17:27:21.180]             `[[` <- base::`[[`
[17:27:21.180]             `+` <- base::`+`
[17:27:21.180]             `<<-` <- base::`<<-`
[17:27:21.180]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:21.180]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:21.180]                   3L)]
[17:27:21.180]             }
[17:27:21.180]             function(cond) {
[17:27:21.180]                 is_error <- inherits(cond, "error")
[17:27:21.180]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:21.180]                   NULL)
[17:27:21.180]                 if (is_error) {
[17:27:21.180]                   sessionInformation <- function() {
[17:27:21.180]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:21.180]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:21.180]                       search = base::search(), system = base::Sys.info())
[17:27:21.180]                   }
[17:27:21.180]                   ...future.conditions[[length(...future.conditions) + 
[17:27:21.180]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:21.180]                     cond$call), session = sessionInformation(), 
[17:27:21.180]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:21.180]                   signalCondition(cond)
[17:27:21.180]                 }
[17:27:21.180]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:21.180]                 "immediateCondition"))) {
[17:27:21.180]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:21.180]                   ...future.conditions[[length(...future.conditions) + 
[17:27:21.180]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:21.180]                   if (TRUE && !signal) {
[17:27:21.180]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:21.180]                     {
[17:27:21.180]                       inherits <- base::inherits
[17:27:21.180]                       invokeRestart <- base::invokeRestart
[17:27:21.180]                       is.null <- base::is.null
[17:27:21.180]                       muffled <- FALSE
[17:27:21.180]                       if (inherits(cond, "message")) {
[17:27:21.180]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:21.180]                         if (muffled) 
[17:27:21.180]                           invokeRestart("muffleMessage")
[17:27:21.180]                       }
[17:27:21.180]                       else if (inherits(cond, "warning")) {
[17:27:21.180]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:21.180]                         if (muffled) 
[17:27:21.180]                           invokeRestart("muffleWarning")
[17:27:21.180]                       }
[17:27:21.180]                       else if (inherits(cond, "condition")) {
[17:27:21.180]                         if (!is.null(pattern)) {
[17:27:21.180]                           computeRestarts <- base::computeRestarts
[17:27:21.180]                           grepl <- base::grepl
[17:27:21.180]                           restarts <- computeRestarts(cond)
[17:27:21.180]                           for (restart in restarts) {
[17:27:21.180]                             name <- restart$name
[17:27:21.180]                             if (is.null(name)) 
[17:27:21.180]                               next
[17:27:21.180]                             if (!grepl(pattern, name)) 
[17:27:21.180]                               next
[17:27:21.180]                             invokeRestart(restart)
[17:27:21.180]                             muffled <- TRUE
[17:27:21.180]                             break
[17:27:21.180]                           }
[17:27:21.180]                         }
[17:27:21.180]                       }
[17:27:21.180]                       invisible(muffled)
[17:27:21.180]                     }
[17:27:21.180]                     muffleCondition(cond, pattern = "^muffle")
[17:27:21.180]                   }
[17:27:21.180]                 }
[17:27:21.180]                 else {
[17:27:21.180]                   if (TRUE) {
[17:27:21.180]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:21.180]                     {
[17:27:21.180]                       inherits <- base::inherits
[17:27:21.180]                       invokeRestart <- base::invokeRestart
[17:27:21.180]                       is.null <- base::is.null
[17:27:21.180]                       muffled <- FALSE
[17:27:21.180]                       if (inherits(cond, "message")) {
[17:27:21.180]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:21.180]                         if (muffled) 
[17:27:21.180]                           invokeRestart("muffleMessage")
[17:27:21.180]                       }
[17:27:21.180]                       else if (inherits(cond, "warning")) {
[17:27:21.180]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:21.180]                         if (muffled) 
[17:27:21.180]                           invokeRestart("muffleWarning")
[17:27:21.180]                       }
[17:27:21.180]                       else if (inherits(cond, "condition")) {
[17:27:21.180]                         if (!is.null(pattern)) {
[17:27:21.180]                           computeRestarts <- base::computeRestarts
[17:27:21.180]                           grepl <- base::grepl
[17:27:21.180]                           restarts <- computeRestarts(cond)
[17:27:21.180]                           for (restart in restarts) {
[17:27:21.180]                             name <- restart$name
[17:27:21.180]                             if (is.null(name)) 
[17:27:21.180]                               next
[17:27:21.180]                             if (!grepl(pattern, name)) 
[17:27:21.180]                               next
[17:27:21.180]                             invokeRestart(restart)
[17:27:21.180]                             muffled <- TRUE
[17:27:21.180]                             break
[17:27:21.180]                           }
[17:27:21.180]                         }
[17:27:21.180]                       }
[17:27:21.180]                       invisible(muffled)
[17:27:21.180]                     }
[17:27:21.180]                     muffleCondition(cond, pattern = "^muffle")
[17:27:21.180]                   }
[17:27:21.180]                 }
[17:27:21.180]             }
[17:27:21.180]         }))
[17:27:21.180]     }, error = function(ex) {
[17:27:21.180]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:21.180]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:21.180]                 ...future.rng), started = ...future.startTime, 
[17:27:21.180]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:21.180]             version = "1.8"), class = "FutureResult")
[17:27:21.180]     }, finally = {
[17:27:21.180]         if (!identical(...future.workdir, getwd())) 
[17:27:21.180]             setwd(...future.workdir)
[17:27:21.180]         {
[17:27:21.180]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:21.180]                 ...future.oldOptions$nwarnings <- NULL
[17:27:21.180]             }
[17:27:21.180]             base::options(...future.oldOptions)
[17:27:21.180]             if (.Platform$OS.type == "windows") {
[17:27:21.180]                 old_names <- names(...future.oldEnvVars)
[17:27:21.180]                 envs <- base::Sys.getenv()
[17:27:21.180]                 names <- names(envs)
[17:27:21.180]                 common <- intersect(names, old_names)
[17:27:21.180]                 added <- setdiff(names, old_names)
[17:27:21.180]                 removed <- setdiff(old_names, names)
[17:27:21.180]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:21.180]                   envs[common]]
[17:27:21.180]                 NAMES <- toupper(changed)
[17:27:21.180]                 args <- list()
[17:27:21.180]                 for (kk in seq_along(NAMES)) {
[17:27:21.180]                   name <- changed[[kk]]
[17:27:21.180]                   NAME <- NAMES[[kk]]
[17:27:21.180]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:21.180]                     next
[17:27:21.180]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:21.180]                 }
[17:27:21.180]                 NAMES <- toupper(added)
[17:27:21.180]                 for (kk in seq_along(NAMES)) {
[17:27:21.180]                   name <- added[[kk]]
[17:27:21.180]                   NAME <- NAMES[[kk]]
[17:27:21.180]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:21.180]                     next
[17:27:21.180]                   args[[name]] <- ""
[17:27:21.180]                 }
[17:27:21.180]                 NAMES <- toupper(removed)
[17:27:21.180]                 for (kk in seq_along(NAMES)) {
[17:27:21.180]                   name <- removed[[kk]]
[17:27:21.180]                   NAME <- NAMES[[kk]]
[17:27:21.180]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:21.180]                     next
[17:27:21.180]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:21.180]                 }
[17:27:21.180]                 if (length(args) > 0) 
[17:27:21.180]                   base::do.call(base::Sys.setenv, args = args)
[17:27:21.180]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:21.180]             }
[17:27:21.180]             else {
[17:27:21.180]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:21.180]             }
[17:27:21.180]             {
[17:27:21.180]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:21.180]                   0L) {
[17:27:21.180]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:21.180]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:21.180]                   base::options(opts)
[17:27:21.180]                 }
[17:27:21.180]                 {
[17:27:21.180]                   {
[17:27:21.180]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:21.180]                     NULL
[17:27:21.180]                   }
[17:27:21.180]                   options(future.plan = NULL)
[17:27:21.180]                   if (is.na(NA_character_)) 
[17:27:21.180]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:21.180]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:21.180]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:21.180]                     .init = FALSE)
[17:27:21.180]                 }
[17:27:21.180]             }
[17:27:21.180]         }
[17:27:21.180]     })
[17:27:21.180]     if (TRUE) {
[17:27:21.180]         base::sink(type = "output", split = FALSE)
[17:27:21.180]         if (TRUE) {
[17:27:21.180]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:21.180]         }
[17:27:21.180]         else {
[17:27:21.180]             ...future.result["stdout"] <- base::list(NULL)
[17:27:21.180]         }
[17:27:21.180]         base::close(...future.stdout)
[17:27:21.180]         ...future.stdout <- NULL
[17:27:21.180]     }
[17:27:21.180]     ...future.result$conditions <- ...future.conditions
[17:27:21.180]     ...future.result$finished <- base::Sys.time()
[17:27:21.180]     ...future.result
[17:27:21.180] }
[17:27:21.190] Exporting 1 global objects (342 bytes) to cluster node #1 ...
[17:27:21.191] Exporting 'a' (39 bytes) to cluster node #1 ...
[17:27:21.192] Exporting 'a' (39 bytes) to cluster node #1 ... DONE
[17:27:21.192] Exporting 1 global objects (342 bytes) to cluster node #1 ... DONE
[17:27:21.193] MultisessionFuture started
[17:27:21.193] - Launch lazy future ... done
[17:27:21.193] run() for 'MultisessionFuture' ... done
[17:27:21.194] result() for ClusterFuture ...
[17:27:21.194] receiveMessageFromWorker() for ClusterFuture ...
[17:27:21.194] - Validating connection of MultisessionFuture
[17:27:21.215] - received message: FutureResult
[17:27:21.216] - Received FutureResult
[17:27:21.216] - Erased future from FutureRegistry
[17:27:21.216] result() for ClusterFuture ...
[17:27:21.216] - result already collected: FutureResult
[17:27:21.216] result() for ClusterFuture ... done
[17:27:21.216] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:21.217] result() for ClusterFuture ... done
[17:27:21.217] result() for ClusterFuture ...
[17:27:21.217] - result already collected: FutureResult
[17:27:21.217] result() for ClusterFuture ... done
*** futureAssign() with 'multisession' futures ... DONE
Testing with 2 cores ... DONE
> 
> message("*** futureAssign() - lazy = TRUE / FALSE ... DONE")
*** futureAssign() - lazy = TRUE / FALSE ... DONE
> 
> message("*** futureAssign() ... DONE")
*** futureAssign() ... DONE
> 
> source("incl/end.R")
[17:27:21.218] plan(): Setting new future strategy stack:
[17:27:21.218] List of future strategies:
[17:27:21.218] 1. FutureStrategy:
[17:27:21.218]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:21.218]    - tweaked: FALSE
[17:27:21.218]    - call: future::plan(oplan)
[17:27:21.227] plan(): nbrOfWorkers() = 1
Failed to undo environment variables:
 - Expected environment variables: [n=205] '!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_NOTE_MISSING_PACKAGE_ANCHORS_', '_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 
   1.20    0.23    2.53