R Under development (unstable) (2023-06-30 r84625 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> source("incl/start.R")
[18:01:28.962] plan(): Setting new future strategy stack:
[18:01:28.964] List of future strategies:
[18:01:28.964] 1. sequential:
[18:01:28.964]    - args: function (..., envir = parent.frame())
[18:01:28.964]    - tweaked: FALSE
[18:01:28.964]    - call: future::plan("sequential")
[18:01:28.980] 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)
[18:01:28.987] getGlobalsAndPackages() ...
[18:01:28.988] Searching for globals...
[18:01:28.995] - globals found: [2] '{', 'cat'
[18:01:28.995] Searching for globals ... DONE
[18:01:28.995] Resolving globals: FALSE
[18:01:28.996] 
[18:01:28.996] 
[18:01:28.996] 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))
[18:01:28.998] run() for 'Future' ...
[18:01:28.998] - state: 'created'
[18:01:28.998] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:01:28.999] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:01:28.999] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:01:28.999]   - Field: 'label'
[18:01:28.999]   - Field: 'local'
[18:01:28.999]   - Field: 'owner'
[18:01:29.000]   - Field: 'envir'
[18:01:29.000]   - Field: 'packages'
[18:01:29.000]   - Field: 'gc'
[18:01:29.000]   - Field: 'conditions'
[18:01:29.000]   - Field: 'expr'
[18:01:29.000]   - Field: 'uuid'
[18:01:29.001]   - Field: 'seed'
[18:01:29.001]   - Field: 'version'
[18:01:29.001]   - Field: 'result'
[18:01:29.001]   - Field: 'asynchronous'
[18:01:29.001]   - Field: 'calls'
[18:01:29.002]   - Field: 'globals'
[18:01:29.002]   - Field: 'stdout'
[18:01:29.002]   - Field: 'earlySignal'
[18:01:29.002]   - Field: 'lazy'
[18:01:29.002]   - Field: 'state'
[18:01:29.002] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:01:29.003] - Launch lazy future ...
[18:01:29.004] Packages needed by the future expression (n = 0): <none>
[18:01:29.004] Packages needed by future strategies (n = 0): <none>
[18:01:29.005] {
[18:01:29.005]     {
[18:01:29.005]         {
[18:01:29.005]             ...future.startTime <- base::Sys.time()
[18:01:29.005]             {
[18:01:29.005]                 {
[18:01:29.005]                   {
[18:01:29.005]                     base::local({
[18:01:29.005]                       has_future <- base::requireNamespace("future", 
[18:01:29.005]                         quietly = TRUE)
[18:01:29.005]                       if (has_future) {
[18:01:29.005]                         ns <- base::getNamespace("future")
[18:01:29.005]                         version <- ns[[".package"]][["version"]]
[18:01:29.005]                         if (is.null(version)) 
[18:01:29.005]                           version <- utils::packageVersion("future")
[18:01:29.005]                       }
[18:01:29.005]                       else {
[18:01:29.005]                         version <- NULL
[18:01:29.005]                       }
[18:01:29.005]                       if (!has_future || version < "1.8.0") {
[18:01:29.005]                         info <- base::c(r_version = base::gsub("R version ", 
[18:01:29.005]                           "", base::R.version$version.string), 
[18:01:29.005]                           platform = base::sprintf("%s (%s-bit)", 
[18:01:29.005]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:29.005]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:29.005]                             "release", "version")], collapse = " "), 
[18:01:29.005]                           hostname = base::Sys.info()[["nodename"]])
[18:01:29.005]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:01:29.005]                           info)
[18:01:29.005]                         info <- base::paste(info, collapse = "; ")
[18:01:29.005]                         if (!has_future) {
[18:01:29.005]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:29.005]                             info)
[18:01:29.005]                         }
[18:01:29.005]                         else {
[18:01:29.005]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:29.005]                             info, version)
[18:01:29.005]                         }
[18:01:29.005]                         base::stop(msg)
[18:01:29.005]                       }
[18:01:29.005]                     })
[18:01:29.005]                   }
[18:01:29.005]                   options(future.plan = NULL)
[18:01:29.005]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.005]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:29.005]                 }
[18:01:29.005]                 ...future.workdir <- getwd()
[18:01:29.005]             }
[18:01:29.005]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:29.005]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:29.005]         }
[18:01:29.005]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:29.005]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:29.005]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:29.005]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:29.005]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:29.005]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:29.005]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:29.005]             base::names(...future.oldOptions))
[18:01:29.005]     }
[18:01:29.005]     if (FALSE) {
[18:01:29.005]     }
[18:01:29.005]     else {
[18:01:29.005]         if (TRUE) {
[18:01:29.005]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:29.005]                 open = "w")
[18:01:29.005]         }
[18:01:29.005]         else {
[18:01:29.005]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:29.005]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:29.005]         }
[18:01:29.005]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:29.005]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:29.005]             base::sink(type = "output", split = FALSE)
[18:01:29.005]             base::close(...future.stdout)
[18:01:29.005]         }, add = TRUE)
[18:01:29.005]     }
[18:01:29.005]     ...future.frame <- base::sys.nframe()
[18:01:29.005]     ...future.conditions <- base::list()
[18:01:29.005]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:29.005]     if (FALSE) {
[18:01:29.005]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:29.005]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:29.005]     }
[18:01:29.005]     ...future.result <- base::tryCatch({
[18:01:29.005]         base::withCallingHandlers({
[18:01:29.005]             ...future.value <- base::withVisible(base::local({
[18:01:29.005]                 cat("Future assignment evaluated\n")
[18:01:29.005]                 2
[18:01:29.005]             }))
[18:01:29.005]             future::FutureResult(value = ...future.value$value, 
[18:01:29.005]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.005]                   ...future.rng), globalenv = if (FALSE) 
[18:01:29.005]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:29.005]                     ...future.globalenv.names))
[18:01:29.005]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:29.005]         }, condition = base::local({
[18:01:29.005]             c <- base::c
[18:01:29.005]             inherits <- base::inherits
[18:01:29.005]             invokeRestart <- base::invokeRestart
[18:01:29.005]             length <- base::length
[18:01:29.005]             list <- base::list
[18:01:29.005]             seq.int <- base::seq.int
[18:01:29.005]             signalCondition <- base::signalCondition
[18:01:29.005]             sys.calls <- base::sys.calls
[18:01:29.005]             `[[` <- base::`[[`
[18:01:29.005]             `+` <- base::`+`
[18:01:29.005]             `<<-` <- base::`<<-`
[18:01:29.005]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:29.005]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:29.005]                   3L)]
[18:01:29.005]             }
[18:01:29.005]             function(cond) {
[18:01:29.005]                 is_error <- inherits(cond, "error")
[18:01:29.005]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:29.005]                   NULL)
[18:01:29.005]                 if (is_error) {
[18:01:29.005]                   sessionInformation <- function() {
[18:01:29.005]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:29.005]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:29.005]                       search = base::search(), system = base::Sys.info())
[18:01:29.005]                   }
[18:01:29.005]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.005]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:29.005]                     cond$call), session = sessionInformation(), 
[18:01:29.005]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:29.005]                   signalCondition(cond)
[18:01:29.005]                 }
[18:01:29.005]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:29.005]                 "immediateCondition"))) {
[18:01:29.005]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:29.005]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.005]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:29.005]                   if (TRUE && !signal) {
[18:01:29.005]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.005]                     {
[18:01:29.005]                       inherits <- base::inherits
[18:01:29.005]                       invokeRestart <- base::invokeRestart
[18:01:29.005]                       is.null <- base::is.null
[18:01:29.005]                       muffled <- FALSE
[18:01:29.005]                       if (inherits(cond, "message")) {
[18:01:29.005]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.005]                         if (muffled) 
[18:01:29.005]                           invokeRestart("muffleMessage")
[18:01:29.005]                       }
[18:01:29.005]                       else if (inherits(cond, "warning")) {
[18:01:29.005]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.005]                         if (muffled) 
[18:01:29.005]                           invokeRestart("muffleWarning")
[18:01:29.005]                       }
[18:01:29.005]                       else if (inherits(cond, "condition")) {
[18:01:29.005]                         if (!is.null(pattern)) {
[18:01:29.005]                           computeRestarts <- base::computeRestarts
[18:01:29.005]                           grepl <- base::grepl
[18:01:29.005]                           restarts <- computeRestarts(cond)
[18:01:29.005]                           for (restart in restarts) {
[18:01:29.005]                             name <- restart$name
[18:01:29.005]                             if (is.null(name)) 
[18:01:29.005]                               next
[18:01:29.005]                             if (!grepl(pattern, name)) 
[18:01:29.005]                               next
[18:01:29.005]                             invokeRestart(restart)
[18:01:29.005]                             muffled <- TRUE
[18:01:29.005]                             break
[18:01:29.005]                           }
[18:01:29.005]                         }
[18:01:29.005]                       }
[18:01:29.005]                       invisible(muffled)
[18:01:29.005]                     }
[18:01:29.005]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.005]                   }
[18:01:29.005]                 }
[18:01:29.005]                 else {
[18:01:29.005]                   if (TRUE) {
[18:01:29.005]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.005]                     {
[18:01:29.005]                       inherits <- base::inherits
[18:01:29.005]                       invokeRestart <- base::invokeRestart
[18:01:29.005]                       is.null <- base::is.null
[18:01:29.005]                       muffled <- FALSE
[18:01:29.005]                       if (inherits(cond, "message")) {
[18:01:29.005]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.005]                         if (muffled) 
[18:01:29.005]                           invokeRestart("muffleMessage")
[18:01:29.005]                       }
[18:01:29.005]                       else if (inherits(cond, "warning")) {
[18:01:29.005]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.005]                         if (muffled) 
[18:01:29.005]                           invokeRestart("muffleWarning")
[18:01:29.005]                       }
[18:01:29.005]                       else if (inherits(cond, "condition")) {
[18:01:29.005]                         if (!is.null(pattern)) {
[18:01:29.005]                           computeRestarts <- base::computeRestarts
[18:01:29.005]                           grepl <- base::grepl
[18:01:29.005]                           restarts <- computeRestarts(cond)
[18:01:29.005]                           for (restart in restarts) {
[18:01:29.005]                             name <- restart$name
[18:01:29.005]                             if (is.null(name)) 
[18:01:29.005]                               next
[18:01:29.005]                             if (!grepl(pattern, name)) 
[18:01:29.005]                               next
[18:01:29.005]                             invokeRestart(restart)
[18:01:29.005]                             muffled <- TRUE
[18:01:29.005]                             break
[18:01:29.005]                           }
[18:01:29.005]                         }
[18:01:29.005]                       }
[18:01:29.005]                       invisible(muffled)
[18:01:29.005]                     }
[18:01:29.005]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.005]                   }
[18:01:29.005]                 }
[18:01:29.005]             }
[18:01:29.005]         }))
[18:01:29.005]     }, error = function(ex) {
[18:01:29.005]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:29.005]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.005]                 ...future.rng), started = ...future.startTime, 
[18:01:29.005]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:29.005]             version = "1.8"), class = "FutureResult")
[18:01:29.005]     }, finally = {
[18:01:29.005]         if (!identical(...future.workdir, getwd())) 
[18:01:29.005]             setwd(...future.workdir)
[18:01:29.005]         {
[18:01:29.005]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:29.005]                 ...future.oldOptions$nwarnings <- NULL
[18:01:29.005]             }
[18:01:29.005]             base::options(...future.oldOptions)
[18:01:29.005]             if (.Platform$OS.type == "windows") {
[18:01:29.005]                 old_names <- names(...future.oldEnvVars)
[18:01:29.005]                 envs <- base::Sys.getenv()
[18:01:29.005]                 names <- names(envs)
[18:01:29.005]                 common <- intersect(names, old_names)
[18:01:29.005]                 added <- setdiff(names, old_names)
[18:01:29.005]                 removed <- setdiff(old_names, names)
[18:01:29.005]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:29.005]                   envs[common]]
[18:01:29.005]                 NAMES <- toupper(changed)
[18:01:29.005]                 args <- list()
[18:01:29.005]                 for (kk in seq_along(NAMES)) {
[18:01:29.005]                   name <- changed[[kk]]
[18:01:29.005]                   NAME <- NAMES[[kk]]
[18:01:29.005]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.005]                     next
[18:01:29.005]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.005]                 }
[18:01:29.005]                 NAMES <- toupper(added)
[18:01:29.005]                 for (kk in seq_along(NAMES)) {
[18:01:29.005]                   name <- added[[kk]]
[18:01:29.005]                   NAME <- NAMES[[kk]]
[18:01:29.005]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.005]                     next
[18:01:29.005]                   args[[name]] <- ""
[18:01:29.005]                 }
[18:01:29.005]                 NAMES <- toupper(removed)
[18:01:29.005]                 for (kk in seq_along(NAMES)) {
[18:01:29.005]                   name <- removed[[kk]]
[18:01:29.005]                   NAME <- NAMES[[kk]]
[18:01:29.005]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.005]                     next
[18:01:29.005]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.005]                 }
[18:01:29.005]                 if (length(args) > 0) 
[18:01:29.005]                   base::do.call(base::Sys.setenv, args = args)
[18:01:29.005]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:29.005]             }
[18:01:29.005]             else {
[18:01:29.005]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:29.005]             }
[18:01:29.005]             {
[18:01:29.005]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:29.005]                   0L) {
[18:01:29.005]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:29.005]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:29.005]                   base::options(opts)
[18:01:29.005]                 }
[18:01:29.005]                 {
[18:01:29.005]                   {
[18:01:29.005]                     NULL
[18:01:29.005]                     RNGkind("Mersenne-Twister")
[18:01:29.005]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:01:29.005]                       inherits = FALSE)
[18:01:29.005]                   }
[18:01:29.005]                   options(future.plan = NULL)
[18:01:29.005]                   if (is.na(NA_character_)) 
[18:01:29.005]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.005]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:29.005]                   future::plan(list(function (..., envir = parent.frame()) 
[18:01:29.005]                   {
[18:01:29.005]                     future <- SequentialFuture(..., envir = envir)
[18:01:29.005]                     if (!future$lazy) 
[18:01:29.005]                       future <- run(future)
[18:01:29.005]                     invisible(future)
[18:01:29.005]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:29.005]                 }
[18:01:29.005]             }
[18:01:29.005]         }
[18:01:29.005]     })
[18:01:29.005]     if (TRUE) {
[18:01:29.005]         base::sink(type = "output", split = FALSE)
[18:01:29.005]         if (TRUE) {
[18:01:29.005]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:29.005]         }
[18:01:29.005]         else {
[18:01:29.005]             ...future.result["stdout"] <- base::list(NULL)
[18:01:29.005]         }
[18:01:29.005]         base::close(...future.stdout)
[18:01:29.005]         ...future.stdout <- NULL
[18:01:29.005]     }
[18:01:29.005]     ...future.result$conditions <- ...future.conditions
[18:01:29.005]     ...future.result$finished <- base::Sys.time()
[18:01:29.005]     ...future.result
[18:01:29.005] }
[18:01:29.009] plan(): Setting new future strategy stack:
[18:01:29.009] List of future strategies:
[18:01:29.009] 1. sequential:
[18:01:29.009]    - args: function (..., envir = parent.frame())
[18:01:29.009]    - tweaked: FALSE
[18:01:29.009]    - call: NULL
[18:01:29.010] plan(): nbrOfWorkers() = 1
[18:01:29.012] plan(): Setting new future strategy stack:
[18:01:29.012] List of future strategies:
[18:01:29.012] 1. sequential:
[18:01:29.012]    - args: function (..., envir = parent.frame())
[18:01:29.012]    - tweaked: FALSE
[18:01:29.012]    - call: future::plan("sequential")
[18:01:29.013] plan(): nbrOfWorkers() = 1
[18:01:29.013] SequentialFuture started (and completed)
[18:01:29.014] - Launch lazy future ... done
[18:01:29.014] run() for 'SequentialFuture' ... done
Future assignment evaluated
b = 2
> 
> ## The expression/value of 'a' is resolved at this point,
> ## because a delayed assignment (promise) was used.
> cat(sprintf("a = %s\n", a))
Delayed assignment evaluated
a = 1
> 
> stopifnot(identical(a, 1))
> stopifnot(identical(b, 2))
> 
> message("*** futureAssign() - sequential w/ lazy evaluation ... DONE")
*** futureAssign() - sequential w/ lazy evaluation ... DONE
> 
> 
> message("*** futureAssign() - lazy = TRUE / FALSE ...")
*** futureAssign() - lazy = TRUE / FALSE ...
> 
> for (cores in 1:availCores) {
+   ## Speed up CRAN checks: Skip on CRAN Windows 32-bit
+   if (!fullTest && isWin32) next
+   
+   message(sprintf("Testing with %d cores ...", cores))
+   options(mc.cores = cores)
+ 
+   for (strategy in supportedStrategies(cores)) {
+     message(sprintf("*** futureAssign() with %s futures ...", sQuote(strategy)))
+     plan(strategy)
+ 
+     ## Potential task name clashes
+     u <- new.env()
+     v <- new.env()
+     futureAssign("a", { 2 }, assign.env = u)
+     futureAssign("a", { 4 }, assign.env = v)
+     
+     cat(sprintf("u$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 ...
[18:01:29.046] plan(): Setting new future strategy stack:
[18:01:29.046] List of future strategies:
[18:01:29.046] 1. sequential:
[18:01:29.046]    - args: function (..., envir = parent.frame())
[18:01:29.046]    - tweaked: FALSE
[18:01:29.046]    - call: plan(strategy)
[18:01:29.060] plan(): nbrOfWorkers() = 1
[18:01:29.060] getGlobalsAndPackages() ...
[18:01:29.060] Searching for globals...
[18:01:29.061] - globals found: [1] '{'
[18:01:29.061] Searching for globals ... DONE
[18:01:29.061] Resolving globals: FALSE
[18:01:29.061] 
[18:01:29.062] 
[18:01:29.062] getGlobalsAndPackages() ... DONE
[18:01:29.062] run() for 'Future' ...
[18:01:29.062] - state: 'created'
[18:01:29.062] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:01:29.063] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:01:29.063] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:01:29.063]   - Field: 'label'
[18:01:29.063]   - Field: 'local'
[18:01:29.064]   - Field: 'owner'
[18:01:29.064]   - Field: 'envir'
[18:01:29.064]   - Field: 'packages'
[18:01:29.064]   - Field: 'gc'
[18:01:29.064]   - Field: 'conditions'
[18:01:29.064]   - Field: 'expr'
[18:01:29.065]   - Field: 'uuid'
[18:01:29.065]   - Field: 'seed'
[18:01:29.065]   - Field: 'version'
[18:01:29.065]   - Field: 'result'
[18:01:29.065]   - Field: 'asynchronous'
[18:01:29.065]   - Field: 'calls'
[18:01:29.066]   - Field: 'globals'
[18:01:29.066]   - Field: 'stdout'
[18:01:29.066]   - Field: 'earlySignal'
[18:01:29.066]   - Field: 'lazy'
[18:01:29.066]   - Field: 'state'
[18:01:29.067] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:01:29.067] - Launch lazy future ...
[18:01:29.067] Packages needed by the future expression (n = 0): <none>
[18:01:29.067] Packages needed by future strategies (n = 0): <none>
[18:01:29.068] {
[18:01:29.068]     {
[18:01:29.068]         {
[18:01:29.068]             ...future.startTime <- base::Sys.time()
[18:01:29.068]             {
[18:01:29.068]                 {
[18:01:29.068]                   {
[18:01:29.068]                     base::local({
[18:01:29.068]                       has_future <- base::requireNamespace("future", 
[18:01:29.068]                         quietly = TRUE)
[18:01:29.068]                       if (has_future) {
[18:01:29.068]                         ns <- base::getNamespace("future")
[18:01:29.068]                         version <- ns[[".package"]][["version"]]
[18:01:29.068]                         if (is.null(version)) 
[18:01:29.068]                           version <- utils::packageVersion("future")
[18:01:29.068]                       }
[18:01:29.068]                       else {
[18:01:29.068]                         version <- NULL
[18:01:29.068]                       }
[18:01:29.068]                       if (!has_future || version < "1.8.0") {
[18:01:29.068]                         info <- base::c(r_version = base::gsub("R version ", 
[18:01:29.068]                           "", base::R.version$version.string), 
[18:01:29.068]                           platform = base::sprintf("%s (%s-bit)", 
[18:01:29.068]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:29.068]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:29.068]                             "release", "version")], collapse = " "), 
[18:01:29.068]                           hostname = base::Sys.info()[["nodename"]])
[18:01:29.068]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:01:29.068]                           info)
[18:01:29.068]                         info <- base::paste(info, collapse = "; ")
[18:01:29.068]                         if (!has_future) {
[18:01:29.068]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:29.068]                             info)
[18:01:29.068]                         }
[18:01:29.068]                         else {
[18:01:29.068]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:29.068]                             info, version)
[18:01:29.068]                         }
[18:01:29.068]                         base::stop(msg)
[18:01:29.068]                       }
[18:01:29.068]                     })
[18:01:29.068]                   }
[18:01:29.068]                   options(future.plan = NULL)
[18:01:29.068]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.068]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:29.068]                 }
[18:01:29.068]                 ...future.workdir <- getwd()
[18:01:29.068]             }
[18:01:29.068]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:29.068]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:29.068]         }
[18:01:29.068]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:29.068]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:29.068]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:29.068]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:29.068]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:29.068]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:29.068]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:29.068]             base::names(...future.oldOptions))
[18:01:29.068]     }
[18:01:29.068]     if (FALSE) {
[18:01:29.068]     }
[18:01:29.068]     else {
[18:01:29.068]         if (TRUE) {
[18:01:29.068]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:29.068]                 open = "w")
[18:01:29.068]         }
[18:01:29.068]         else {
[18:01:29.068]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:29.068]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:29.068]         }
[18:01:29.068]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:29.068]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:29.068]             base::sink(type = "output", split = FALSE)
[18:01:29.068]             base::close(...future.stdout)
[18:01:29.068]         }, add = TRUE)
[18:01:29.068]     }
[18:01:29.068]     ...future.frame <- base::sys.nframe()
[18:01:29.068]     ...future.conditions <- base::list()
[18:01:29.068]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:29.068]     if (FALSE) {
[18:01:29.068]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:29.068]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:29.068]     }
[18:01:29.068]     ...future.result <- base::tryCatch({
[18:01:29.068]         base::withCallingHandlers({
[18:01:29.068]             ...future.value <- base::withVisible(base::local({
[18:01:29.068]                 2
[18:01:29.068]             }))
[18:01:29.068]             future::FutureResult(value = ...future.value$value, 
[18:01:29.068]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.068]                   ...future.rng), globalenv = if (FALSE) 
[18:01:29.068]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:29.068]                     ...future.globalenv.names))
[18:01:29.068]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:29.068]         }, condition = base::local({
[18:01:29.068]             c <- base::c
[18:01:29.068]             inherits <- base::inherits
[18:01:29.068]             invokeRestart <- base::invokeRestart
[18:01:29.068]             length <- base::length
[18:01:29.068]             list <- base::list
[18:01:29.068]             seq.int <- base::seq.int
[18:01:29.068]             signalCondition <- base::signalCondition
[18:01:29.068]             sys.calls <- base::sys.calls
[18:01:29.068]             `[[` <- base::`[[`
[18:01:29.068]             `+` <- base::`+`
[18:01:29.068]             `<<-` <- base::`<<-`
[18:01:29.068]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:29.068]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:29.068]                   3L)]
[18:01:29.068]             }
[18:01:29.068]             function(cond) {
[18:01:29.068]                 is_error <- inherits(cond, "error")
[18:01:29.068]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:29.068]                   NULL)
[18:01:29.068]                 if (is_error) {
[18:01:29.068]                   sessionInformation <- function() {
[18:01:29.068]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:29.068]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:29.068]                       search = base::search(), system = base::Sys.info())
[18:01:29.068]                   }
[18:01:29.068]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.068]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:29.068]                     cond$call), session = sessionInformation(), 
[18:01:29.068]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:29.068]                   signalCondition(cond)
[18:01:29.068]                 }
[18:01:29.068]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:29.068]                 "immediateCondition"))) {
[18:01:29.068]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:29.068]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.068]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:29.068]                   if (TRUE && !signal) {
[18:01:29.068]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.068]                     {
[18:01:29.068]                       inherits <- base::inherits
[18:01:29.068]                       invokeRestart <- base::invokeRestart
[18:01:29.068]                       is.null <- base::is.null
[18:01:29.068]                       muffled <- FALSE
[18:01:29.068]                       if (inherits(cond, "message")) {
[18:01:29.068]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.068]                         if (muffled) 
[18:01:29.068]                           invokeRestart("muffleMessage")
[18:01:29.068]                       }
[18:01:29.068]                       else if (inherits(cond, "warning")) {
[18:01:29.068]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.068]                         if (muffled) 
[18:01:29.068]                           invokeRestart("muffleWarning")
[18:01:29.068]                       }
[18:01:29.068]                       else if (inherits(cond, "condition")) {
[18:01:29.068]                         if (!is.null(pattern)) {
[18:01:29.068]                           computeRestarts <- base::computeRestarts
[18:01:29.068]                           grepl <- base::grepl
[18:01:29.068]                           restarts <- computeRestarts(cond)
[18:01:29.068]                           for (restart in restarts) {
[18:01:29.068]                             name <- restart$name
[18:01:29.068]                             if (is.null(name)) 
[18:01:29.068]                               next
[18:01:29.068]                             if (!grepl(pattern, name)) 
[18:01:29.068]                               next
[18:01:29.068]                             invokeRestart(restart)
[18:01:29.068]                             muffled <- TRUE
[18:01:29.068]                             break
[18:01:29.068]                           }
[18:01:29.068]                         }
[18:01:29.068]                       }
[18:01:29.068]                       invisible(muffled)
[18:01:29.068]                     }
[18:01:29.068]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.068]                   }
[18:01:29.068]                 }
[18:01:29.068]                 else {
[18:01:29.068]                   if (TRUE) {
[18:01:29.068]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.068]                     {
[18:01:29.068]                       inherits <- base::inherits
[18:01:29.068]                       invokeRestart <- base::invokeRestart
[18:01:29.068]                       is.null <- base::is.null
[18:01:29.068]                       muffled <- FALSE
[18:01:29.068]                       if (inherits(cond, "message")) {
[18:01:29.068]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.068]                         if (muffled) 
[18:01:29.068]                           invokeRestart("muffleMessage")
[18:01:29.068]                       }
[18:01:29.068]                       else if (inherits(cond, "warning")) {
[18:01:29.068]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.068]                         if (muffled) 
[18:01:29.068]                           invokeRestart("muffleWarning")
[18:01:29.068]                       }
[18:01:29.068]                       else if (inherits(cond, "condition")) {
[18:01:29.068]                         if (!is.null(pattern)) {
[18:01:29.068]                           computeRestarts <- base::computeRestarts
[18:01:29.068]                           grepl <- base::grepl
[18:01:29.068]                           restarts <- computeRestarts(cond)
[18:01:29.068]                           for (restart in restarts) {
[18:01:29.068]                             name <- restart$name
[18:01:29.068]                             if (is.null(name)) 
[18:01:29.068]                               next
[18:01:29.068]                             if (!grepl(pattern, name)) 
[18:01:29.068]                               next
[18:01:29.068]                             invokeRestart(restart)
[18:01:29.068]                             muffled <- TRUE
[18:01:29.068]                             break
[18:01:29.068]                           }
[18:01:29.068]                         }
[18:01:29.068]                       }
[18:01:29.068]                       invisible(muffled)
[18:01:29.068]                     }
[18:01:29.068]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.068]                   }
[18:01:29.068]                 }
[18:01:29.068]             }
[18:01:29.068]         }))
[18:01:29.068]     }, error = function(ex) {
[18:01:29.068]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:29.068]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.068]                 ...future.rng), started = ...future.startTime, 
[18:01:29.068]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:29.068]             version = "1.8"), class = "FutureResult")
[18:01:29.068]     }, finally = {
[18:01:29.068]         if (!identical(...future.workdir, getwd())) 
[18:01:29.068]             setwd(...future.workdir)
[18:01:29.068]         {
[18:01:29.068]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:29.068]                 ...future.oldOptions$nwarnings <- NULL
[18:01:29.068]             }
[18:01:29.068]             base::options(...future.oldOptions)
[18:01:29.068]             if (.Platform$OS.type == "windows") {
[18:01:29.068]                 old_names <- names(...future.oldEnvVars)
[18:01:29.068]                 envs <- base::Sys.getenv()
[18:01:29.068]                 names <- names(envs)
[18:01:29.068]                 common <- intersect(names, old_names)
[18:01:29.068]                 added <- setdiff(names, old_names)
[18:01:29.068]                 removed <- setdiff(old_names, names)
[18:01:29.068]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:29.068]                   envs[common]]
[18:01:29.068]                 NAMES <- toupper(changed)
[18:01:29.068]                 args <- list()
[18:01:29.068]                 for (kk in seq_along(NAMES)) {
[18:01:29.068]                   name <- changed[[kk]]
[18:01:29.068]                   NAME <- NAMES[[kk]]
[18:01:29.068]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.068]                     next
[18:01:29.068]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.068]                 }
[18:01:29.068]                 NAMES <- toupper(added)
[18:01:29.068]                 for (kk in seq_along(NAMES)) {
[18:01:29.068]                   name <- added[[kk]]
[18:01:29.068]                   NAME <- NAMES[[kk]]
[18:01:29.068]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.068]                     next
[18:01:29.068]                   args[[name]] <- ""
[18:01:29.068]                 }
[18:01:29.068]                 NAMES <- toupper(removed)
[18:01:29.068]                 for (kk in seq_along(NAMES)) {
[18:01:29.068]                   name <- removed[[kk]]
[18:01:29.068]                   NAME <- NAMES[[kk]]
[18:01:29.068]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.068]                     next
[18:01:29.068]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.068]                 }
[18:01:29.068]                 if (length(args) > 0) 
[18:01:29.068]                   base::do.call(base::Sys.setenv, args = args)
[18:01:29.068]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:29.068]             }
[18:01:29.068]             else {
[18:01:29.068]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:29.068]             }
[18:01:29.068]             {
[18:01:29.068]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:29.068]                   0L) {
[18:01:29.068]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:29.068]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:29.068]                   base::options(opts)
[18:01:29.068]                 }
[18:01:29.068]                 {
[18:01:29.068]                   {
[18:01:29.068]                     NULL
[18:01:29.068]                     RNGkind("Mersenne-Twister")
[18:01:29.068]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:01:29.068]                       inherits = FALSE)
[18:01:29.068]                   }
[18:01:29.068]                   options(future.plan = NULL)
[18:01:29.068]                   if (is.na(NA_character_)) 
[18:01:29.068]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.068]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:29.068]                   future::plan(list(function (..., envir = parent.frame()) 
[18:01:29.068]                   {
[18:01:29.068]                     future <- SequentialFuture(..., envir = envir)
[18:01:29.068]                     if (!future$lazy) 
[18:01:29.068]                       future <- run(future)
[18:01:29.068]                     invisible(future)
[18:01:29.068]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:29.068]                 }
[18:01:29.068]             }
[18:01:29.068]         }
[18:01:29.068]     })
[18:01:29.068]     if (TRUE) {
[18:01:29.068]         base::sink(type = "output", split = FALSE)
[18:01:29.068]         if (TRUE) {
[18:01:29.068]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:29.068]         }
[18:01:29.068]         else {
[18:01:29.068]             ...future.result["stdout"] <- base::list(NULL)
[18:01:29.068]         }
[18:01:29.068]         base::close(...future.stdout)
[18:01:29.068]         ...future.stdout <- NULL
[18:01:29.068]     }
[18:01:29.068]     ...future.result$conditions <- ...future.conditions
[18:01:29.068]     ...future.result$finished <- base::Sys.time()
[18:01:29.068]     ...future.result
[18:01:29.068] }
[18:01:29.072] plan(): Setting new future strategy stack:
[18:01:29.072] List of future strategies:
[18:01:29.072] 1. sequential:
[18:01:29.072]    - args: function (..., envir = parent.frame())
[18:01:29.072]    - tweaked: FALSE
[18:01:29.072]    - call: NULL
[18:01:29.072] plan(): nbrOfWorkers() = 1
[18:01:29.074] plan(): Setting new future strategy stack:
[18:01:29.074] List of future strategies:
[18:01:29.074] 1. sequential:
[18:01:29.074]    - args: function (..., envir = parent.frame())
[18:01:29.074]    - tweaked: FALSE
[18:01:29.074]    - call: plan(strategy)
[18:01:29.074] plan(): nbrOfWorkers() = 1
[18:01:29.074] SequentialFuture started (and completed)
[18:01:29.075] - Launch lazy future ... done
[18:01:29.075] run() for 'SequentialFuture' ... done
[18:01:29.075] getGlobalsAndPackages() ...
[18:01:29.075] Searching for globals...
[18:01:29.076] - globals found: [1] '{'
[18:01:29.076] Searching for globals ... DONE
[18:01:29.076] Resolving globals: FALSE
[18:01:29.077] 
[18:01:29.077] 
[18:01:29.077] getGlobalsAndPackages() ... DONE
[18:01:29.077] run() for 'Future' ...
[18:01:29.077] - state: 'created'
[18:01:29.078] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:01:29.078] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:01:29.078] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:01:29.078]   - Field: 'label'
[18:01:29.079]   - Field: 'local'
[18:01:29.079]   - Field: 'owner'
[18:01:29.079]   - Field: 'envir'
[18:01:29.079]   - Field: 'packages'
[18:01:29.079]   - Field: 'gc'
[18:01:29.079]   - Field: 'conditions'
[18:01:29.080]   - Field: 'expr'
[18:01:29.080]   - Field: 'uuid'
[18:01:29.080]   - Field: 'seed'
[18:01:29.080]   - Field: 'version'
[18:01:29.080]   - Field: 'result'
[18:01:29.080]   - Field: 'asynchronous'
[18:01:29.081]   - Field: 'calls'
[18:01:29.081]   - Field: 'globals'
[18:01:29.081]   - Field: 'stdout'
[18:01:29.081]   - Field: 'earlySignal'
[18:01:29.081]   - Field: 'lazy'
[18:01:29.082]   - Field: 'state'
[18:01:29.082] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:01:29.082] - Launch lazy future ...
[18:01:29.082] Packages needed by the future expression (n = 0): <none>
[18:01:29.082] Packages needed by future strategies (n = 0): <none>
[18:01:29.083] {
[18:01:29.083]     {
[18:01:29.083]         {
[18:01:29.083]             ...future.startTime <- base::Sys.time()
[18:01:29.083]             {
[18:01:29.083]                 {
[18:01:29.083]                   {
[18:01:29.083]                     base::local({
[18:01:29.083]                       has_future <- base::requireNamespace("future", 
[18:01:29.083]                         quietly = TRUE)
[18:01:29.083]                       if (has_future) {
[18:01:29.083]                         ns <- base::getNamespace("future")
[18:01:29.083]                         version <- ns[[".package"]][["version"]]
[18:01:29.083]                         if (is.null(version)) 
[18:01:29.083]                           version <- utils::packageVersion("future")
[18:01:29.083]                       }
[18:01:29.083]                       else {
[18:01:29.083]                         version <- NULL
[18:01:29.083]                       }
[18:01:29.083]                       if (!has_future || version < "1.8.0") {
[18:01:29.083]                         info <- base::c(r_version = base::gsub("R version ", 
[18:01:29.083]                           "", base::R.version$version.string), 
[18:01:29.083]                           platform = base::sprintf("%s (%s-bit)", 
[18:01:29.083]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:29.083]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:29.083]                             "release", "version")], collapse = " "), 
[18:01:29.083]                           hostname = base::Sys.info()[["nodename"]])
[18:01:29.083]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:01:29.083]                           info)
[18:01:29.083]                         info <- base::paste(info, collapse = "; ")
[18:01:29.083]                         if (!has_future) {
[18:01:29.083]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:29.083]                             info)
[18:01:29.083]                         }
[18:01:29.083]                         else {
[18:01:29.083]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:29.083]                             info, version)
[18:01:29.083]                         }
[18:01:29.083]                         base::stop(msg)
[18:01:29.083]                       }
[18:01:29.083]                     })
[18:01:29.083]                   }
[18:01:29.083]                   options(future.plan = NULL)
[18:01:29.083]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.083]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:29.083]                 }
[18:01:29.083]                 ...future.workdir <- getwd()
[18:01:29.083]             }
[18:01:29.083]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:29.083]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:29.083]         }
[18:01:29.083]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:29.083]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:29.083]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:29.083]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:29.083]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:29.083]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:29.083]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:29.083]             base::names(...future.oldOptions))
[18:01:29.083]     }
[18:01:29.083]     if (FALSE) {
[18:01:29.083]     }
[18:01:29.083]     else {
[18:01:29.083]         if (TRUE) {
[18:01:29.083]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:29.083]                 open = "w")
[18:01:29.083]         }
[18:01:29.083]         else {
[18:01:29.083]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:29.083]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:29.083]         }
[18:01:29.083]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:29.083]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:29.083]             base::sink(type = "output", split = FALSE)
[18:01:29.083]             base::close(...future.stdout)
[18:01:29.083]         }, add = TRUE)
[18:01:29.083]     }
[18:01:29.083]     ...future.frame <- base::sys.nframe()
[18:01:29.083]     ...future.conditions <- base::list()
[18:01:29.083]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:29.083]     if (FALSE) {
[18:01:29.083]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:29.083]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:29.083]     }
[18:01:29.083]     ...future.result <- base::tryCatch({
[18:01:29.083]         base::withCallingHandlers({
[18:01:29.083]             ...future.value <- base::withVisible(base::local({
[18:01:29.083]                 4
[18:01:29.083]             }))
[18:01:29.083]             future::FutureResult(value = ...future.value$value, 
[18:01:29.083]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.083]                   ...future.rng), globalenv = if (FALSE) 
[18:01:29.083]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:29.083]                     ...future.globalenv.names))
[18:01:29.083]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:29.083]         }, condition = base::local({
[18:01:29.083]             c <- base::c
[18:01:29.083]             inherits <- base::inherits
[18:01:29.083]             invokeRestart <- base::invokeRestart
[18:01:29.083]             length <- base::length
[18:01:29.083]             list <- base::list
[18:01:29.083]             seq.int <- base::seq.int
[18:01:29.083]             signalCondition <- base::signalCondition
[18:01:29.083]             sys.calls <- base::sys.calls
[18:01:29.083]             `[[` <- base::`[[`
[18:01:29.083]             `+` <- base::`+`
[18:01:29.083]             `<<-` <- base::`<<-`
[18:01:29.083]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:29.083]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:29.083]                   3L)]
[18:01:29.083]             }
[18:01:29.083]             function(cond) {
[18:01:29.083]                 is_error <- inherits(cond, "error")
[18:01:29.083]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:29.083]                   NULL)
[18:01:29.083]                 if (is_error) {
[18:01:29.083]                   sessionInformation <- function() {
[18:01:29.083]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:29.083]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:29.083]                       search = base::search(), system = base::Sys.info())
[18:01:29.083]                   }
[18:01:29.083]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.083]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:29.083]                     cond$call), session = sessionInformation(), 
[18:01:29.083]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:29.083]                   signalCondition(cond)
[18:01:29.083]                 }
[18:01:29.083]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:29.083]                 "immediateCondition"))) {
[18:01:29.083]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:29.083]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.083]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:29.083]                   if (TRUE && !signal) {
[18:01:29.083]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.083]                     {
[18:01:29.083]                       inherits <- base::inherits
[18:01:29.083]                       invokeRestart <- base::invokeRestart
[18:01:29.083]                       is.null <- base::is.null
[18:01:29.083]                       muffled <- FALSE
[18:01:29.083]                       if (inherits(cond, "message")) {
[18:01:29.083]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.083]                         if (muffled) 
[18:01:29.083]                           invokeRestart("muffleMessage")
[18:01:29.083]                       }
[18:01:29.083]                       else if (inherits(cond, "warning")) {
[18:01:29.083]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.083]                         if (muffled) 
[18:01:29.083]                           invokeRestart("muffleWarning")
[18:01:29.083]                       }
[18:01:29.083]                       else if (inherits(cond, "condition")) {
[18:01:29.083]                         if (!is.null(pattern)) {
[18:01:29.083]                           computeRestarts <- base::computeRestarts
[18:01:29.083]                           grepl <- base::grepl
[18:01:29.083]                           restarts <- computeRestarts(cond)
[18:01:29.083]                           for (restart in restarts) {
[18:01:29.083]                             name <- restart$name
[18:01:29.083]                             if (is.null(name)) 
[18:01:29.083]                               next
[18:01:29.083]                             if (!grepl(pattern, name)) 
[18:01:29.083]                               next
[18:01:29.083]                             invokeRestart(restart)
[18:01:29.083]                             muffled <- TRUE
[18:01:29.083]                             break
[18:01:29.083]                           }
[18:01:29.083]                         }
[18:01:29.083]                       }
[18:01:29.083]                       invisible(muffled)
[18:01:29.083]                     }
[18:01:29.083]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.083]                   }
[18:01:29.083]                 }
[18:01:29.083]                 else {
[18:01:29.083]                   if (TRUE) {
[18:01:29.083]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.083]                     {
[18:01:29.083]                       inherits <- base::inherits
[18:01:29.083]                       invokeRestart <- base::invokeRestart
[18:01:29.083]                       is.null <- base::is.null
[18:01:29.083]                       muffled <- FALSE
[18:01:29.083]                       if (inherits(cond, "message")) {
[18:01:29.083]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.083]                         if (muffled) 
[18:01:29.083]                           invokeRestart("muffleMessage")
[18:01:29.083]                       }
[18:01:29.083]                       else if (inherits(cond, "warning")) {
[18:01:29.083]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.083]                         if (muffled) 
[18:01:29.083]                           invokeRestart("muffleWarning")
[18:01:29.083]                       }
[18:01:29.083]                       else if (inherits(cond, "condition")) {
[18:01:29.083]                         if (!is.null(pattern)) {
[18:01:29.083]                           computeRestarts <- base::computeRestarts
[18:01:29.083]                           grepl <- base::grepl
[18:01:29.083]                           restarts <- computeRestarts(cond)
[18:01:29.083]                           for (restart in restarts) {
[18:01:29.083]                             name <- restart$name
[18:01:29.083]                             if (is.null(name)) 
[18:01:29.083]                               next
[18:01:29.083]                             if (!grepl(pattern, name)) 
[18:01:29.083]                               next
[18:01:29.083]                             invokeRestart(restart)
[18:01:29.083]                             muffled <- TRUE
[18:01:29.083]                             break
[18:01:29.083]                           }
[18:01:29.083]                         }
[18:01:29.083]                       }
[18:01:29.083]                       invisible(muffled)
[18:01:29.083]                     }
[18:01:29.083]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.083]                   }
[18:01:29.083]                 }
[18:01:29.083]             }
[18:01:29.083]         }))
[18:01:29.083]     }, error = function(ex) {
[18:01:29.083]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:29.083]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.083]                 ...future.rng), started = ...future.startTime, 
[18:01:29.083]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:29.083]             version = "1.8"), class = "FutureResult")
[18:01:29.083]     }, finally = {
[18:01:29.083]         if (!identical(...future.workdir, getwd())) 
[18:01:29.083]             setwd(...future.workdir)
[18:01:29.083]         {
[18:01:29.083]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:29.083]                 ...future.oldOptions$nwarnings <- NULL
[18:01:29.083]             }
[18:01:29.083]             base::options(...future.oldOptions)
[18:01:29.083]             if (.Platform$OS.type == "windows") {
[18:01:29.083]                 old_names <- names(...future.oldEnvVars)
[18:01:29.083]                 envs <- base::Sys.getenv()
[18:01:29.083]                 names <- names(envs)
[18:01:29.083]                 common <- intersect(names, old_names)
[18:01:29.083]                 added <- setdiff(names, old_names)
[18:01:29.083]                 removed <- setdiff(old_names, names)
[18:01:29.083]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:29.083]                   envs[common]]
[18:01:29.083]                 NAMES <- toupper(changed)
[18:01:29.083]                 args <- list()
[18:01:29.083]                 for (kk in seq_along(NAMES)) {
[18:01:29.083]                   name <- changed[[kk]]
[18:01:29.083]                   NAME <- NAMES[[kk]]
[18:01:29.083]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.083]                     next
[18:01:29.083]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.083]                 }
[18:01:29.083]                 NAMES <- toupper(added)
[18:01:29.083]                 for (kk in seq_along(NAMES)) {
[18:01:29.083]                   name <- added[[kk]]
[18:01:29.083]                   NAME <- NAMES[[kk]]
[18:01:29.083]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.083]                     next
[18:01:29.083]                   args[[name]] <- ""
[18:01:29.083]                 }
[18:01:29.083]                 NAMES <- toupper(removed)
[18:01:29.083]                 for (kk in seq_along(NAMES)) {
[18:01:29.083]                   name <- removed[[kk]]
[18:01:29.083]                   NAME <- NAMES[[kk]]
[18:01:29.083]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.083]                     next
[18:01:29.083]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.083]                 }
[18:01:29.083]                 if (length(args) > 0) 
[18:01:29.083]                   base::do.call(base::Sys.setenv, args = args)
[18:01:29.083]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:29.083]             }
[18:01:29.083]             else {
[18:01:29.083]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:29.083]             }
[18:01:29.083]             {
[18:01:29.083]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:29.083]                   0L) {
[18:01:29.083]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:29.083]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:29.083]                   base::options(opts)
[18:01:29.083]                 }
[18:01:29.083]                 {
[18:01:29.083]                   {
[18:01:29.083]                     NULL
[18:01:29.083]                     RNGkind("Mersenne-Twister")
[18:01:29.083]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:01:29.083]                       inherits = FALSE)
[18:01:29.083]                   }
[18:01:29.083]                   options(future.plan = NULL)
[18:01:29.083]                   if (is.na(NA_character_)) 
[18:01:29.083]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.083]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:29.083]                   future::plan(list(function (..., envir = parent.frame()) 
[18:01:29.083]                   {
[18:01:29.083]                     future <- SequentialFuture(..., envir = envir)
[18:01:29.083]                     if (!future$lazy) 
[18:01:29.083]                       future <- run(future)
[18:01:29.083]                     invisible(future)
[18:01:29.083]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:29.083]                 }
[18:01:29.083]             }
[18:01:29.083]         }
[18:01:29.083]     })
[18:01:29.083]     if (TRUE) {
[18:01:29.083]         base::sink(type = "output", split = FALSE)
[18:01:29.083]         if (TRUE) {
[18:01:29.083]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:29.083]         }
[18:01:29.083]         else {
[18:01:29.083]             ...future.result["stdout"] <- base::list(NULL)
[18:01:29.083]         }
[18:01:29.083]         base::close(...future.stdout)
[18:01:29.083]         ...future.stdout <- NULL
[18:01:29.083]     }
[18:01:29.083]     ...future.result$conditions <- ...future.conditions
[18:01:29.083]     ...future.result$finished <- base::Sys.time()
[18:01:29.083]     ...future.result
[18:01:29.083] }
[18:01:29.087] plan(): Setting new future strategy stack:
[18:01:29.087] List of future strategies:
[18:01:29.087] 1. sequential:
[18:01:29.087]    - args: function (..., envir = parent.frame())
[18:01:29.087]    - tweaked: FALSE
[18:01:29.087]    - call: NULL
[18:01:29.088] plan(): nbrOfWorkers() = 1
[18:01:29.089] plan(): Setting new future strategy stack:
[18:01:29.089] List of future strategies:
[18:01:29.089] 1. sequential:
[18:01:29.089]    - args: function (..., envir = parent.frame())
[18:01:29.089]    - tweaked: FALSE
[18:01:29.089]    - call: plan(strategy)
[18:01:29.090] plan(): nbrOfWorkers() = 1
[18:01:29.091] SequentialFuture started (and completed)
[18:01:29.091] - Launch lazy future ... done
[18:01:29.091] run() for 'SequentialFuture' ... done
u$a = 2
v$a = 4
[18:01:29.091] getGlobalsAndPackages() ...
[18:01:29.092] Searching for globals...
[18:01:29.093] - globals found: [3] '{', '*', 'a'
[18:01:29.093] Searching for globals ... DONE
[18:01:29.093] Resolving globals: FALSE
[18:01:29.094] The total size of the 1 globals is 56 bytes (56 bytes)
[18:01:29.095] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[18:01:29.095] - globals: [1] 'a'
[18:01:29.095] 
[18:01:29.095] getGlobalsAndPackages() ... DONE
[18:01:29.095] run() for 'Future' ...
[18:01:29.096] - state: 'created'
[18:01:29.096] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:01:29.096] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:01:29.096] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:01:29.096]   - Field: 'label'
[18:01:29.097]   - Field: 'local'
[18:01:29.097]   - Field: 'owner'
[18:01:29.097]   - Field: 'envir'
[18:01:29.097]   - Field: 'packages'
[18:01:29.097]   - Field: 'gc'
[18:01:29.098]   - Field: 'conditions'
[18:01:29.098]   - Field: 'expr'
[18:01:29.098]   - Field: 'uuid'
[18:01:29.098]   - Field: 'seed'
[18:01:29.098]   - Field: 'version'
[18:01:29.098]   - Field: 'result'
[18:01:29.099]   - Field: 'asynchronous'
[18:01:29.099]   - Field: 'calls'
[18:01:29.099]   - Field: 'globals'
[18:01:29.099]   - Field: 'stdout'
[18:01:29.099]   - Field: 'earlySignal'
[18:01:29.099]   - Field: 'lazy'
[18:01:29.100]   - Field: 'state'
[18:01:29.100] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:01:29.100] - Launch lazy future ...
[18:01:29.100] Packages needed by the future expression (n = 0): <none>
[18:01:29.100] Packages needed by future strategies (n = 0): <none>
[18:01:29.101] {
[18:01:29.101]     {
[18:01:29.101]         {
[18:01:29.101]             ...future.startTime <- base::Sys.time()
[18:01:29.101]             {
[18:01:29.101]                 {
[18:01:29.101]                   {
[18:01:29.101]                     base::local({
[18:01:29.101]                       has_future <- base::requireNamespace("future", 
[18:01:29.101]                         quietly = TRUE)
[18:01:29.101]                       if (has_future) {
[18:01:29.101]                         ns <- base::getNamespace("future")
[18:01:29.101]                         version <- ns[[".package"]][["version"]]
[18:01:29.101]                         if (is.null(version)) 
[18:01:29.101]                           version <- utils::packageVersion("future")
[18:01:29.101]                       }
[18:01:29.101]                       else {
[18:01:29.101]                         version <- NULL
[18:01:29.101]                       }
[18:01:29.101]                       if (!has_future || version < "1.8.0") {
[18:01:29.101]                         info <- base::c(r_version = base::gsub("R version ", 
[18:01:29.101]                           "", base::R.version$version.string), 
[18:01:29.101]                           platform = base::sprintf("%s (%s-bit)", 
[18:01:29.101]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:29.101]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:29.101]                             "release", "version")], collapse = " "), 
[18:01:29.101]                           hostname = base::Sys.info()[["nodename"]])
[18:01:29.101]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:01:29.101]                           info)
[18:01:29.101]                         info <- base::paste(info, collapse = "; ")
[18:01:29.101]                         if (!has_future) {
[18:01:29.101]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:29.101]                             info)
[18:01:29.101]                         }
[18:01:29.101]                         else {
[18:01:29.101]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:29.101]                             info, version)
[18:01:29.101]                         }
[18:01:29.101]                         base::stop(msg)
[18:01:29.101]                       }
[18:01:29.101]                     })
[18:01:29.101]                   }
[18:01:29.101]                   options(future.plan = NULL)
[18:01:29.101]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.101]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:29.101]                 }
[18:01:29.101]                 ...future.workdir <- getwd()
[18:01:29.101]             }
[18:01:29.101]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:29.101]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:29.101]         }
[18:01:29.101]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:29.101]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:29.101]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:29.101]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:29.101]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:29.101]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:29.101]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:29.101]             base::names(...future.oldOptions))
[18:01:29.101]     }
[18:01:29.101]     if (FALSE) {
[18:01:29.101]     }
[18:01:29.101]     else {
[18:01:29.101]         if (TRUE) {
[18:01:29.101]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:29.101]                 open = "w")
[18:01:29.101]         }
[18:01:29.101]         else {
[18:01:29.101]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:29.101]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:29.101]         }
[18:01:29.101]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:29.101]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:29.101]             base::sink(type = "output", split = FALSE)
[18:01:29.101]             base::close(...future.stdout)
[18:01:29.101]         }, add = TRUE)
[18:01:29.101]     }
[18:01:29.101]     ...future.frame <- base::sys.nframe()
[18:01:29.101]     ...future.conditions <- base::list()
[18:01:29.101]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:29.101]     if (FALSE) {
[18:01:29.101]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:29.101]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:29.101]     }
[18:01:29.101]     ...future.result <- base::tryCatch({
[18:01:29.101]         base::withCallingHandlers({
[18:01:29.101]             ...future.value <- base::withVisible(base::local({
[18:01:29.101]                 2 * a
[18:01:29.101]             }))
[18:01:29.101]             future::FutureResult(value = ...future.value$value, 
[18:01:29.101]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.101]                   ...future.rng), globalenv = if (FALSE) 
[18:01:29.101]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:29.101]                     ...future.globalenv.names))
[18:01:29.101]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:29.101]         }, condition = base::local({
[18:01:29.101]             c <- base::c
[18:01:29.101]             inherits <- base::inherits
[18:01:29.101]             invokeRestart <- base::invokeRestart
[18:01:29.101]             length <- base::length
[18:01:29.101]             list <- base::list
[18:01:29.101]             seq.int <- base::seq.int
[18:01:29.101]             signalCondition <- base::signalCondition
[18:01:29.101]             sys.calls <- base::sys.calls
[18:01:29.101]             `[[` <- base::`[[`
[18:01:29.101]             `+` <- base::`+`
[18:01:29.101]             `<<-` <- base::`<<-`
[18:01:29.101]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:29.101]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:29.101]                   3L)]
[18:01:29.101]             }
[18:01:29.101]             function(cond) {
[18:01:29.101]                 is_error <- inherits(cond, "error")
[18:01:29.101]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:29.101]                   NULL)
[18:01:29.101]                 if (is_error) {
[18:01:29.101]                   sessionInformation <- function() {
[18:01:29.101]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:29.101]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:29.101]                       search = base::search(), system = base::Sys.info())
[18:01:29.101]                   }
[18:01:29.101]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.101]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:29.101]                     cond$call), session = sessionInformation(), 
[18:01:29.101]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:29.101]                   signalCondition(cond)
[18:01:29.101]                 }
[18:01:29.101]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:29.101]                 "immediateCondition"))) {
[18:01:29.101]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:29.101]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.101]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:29.101]                   if (TRUE && !signal) {
[18:01:29.101]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.101]                     {
[18:01:29.101]                       inherits <- base::inherits
[18:01:29.101]                       invokeRestart <- base::invokeRestart
[18:01:29.101]                       is.null <- base::is.null
[18:01:29.101]                       muffled <- FALSE
[18:01:29.101]                       if (inherits(cond, "message")) {
[18:01:29.101]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.101]                         if (muffled) 
[18:01:29.101]                           invokeRestart("muffleMessage")
[18:01:29.101]                       }
[18:01:29.101]                       else if (inherits(cond, "warning")) {
[18:01:29.101]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.101]                         if (muffled) 
[18:01:29.101]                           invokeRestart("muffleWarning")
[18:01:29.101]                       }
[18:01:29.101]                       else if (inherits(cond, "condition")) {
[18:01:29.101]                         if (!is.null(pattern)) {
[18:01:29.101]                           computeRestarts <- base::computeRestarts
[18:01:29.101]                           grepl <- base::grepl
[18:01:29.101]                           restarts <- computeRestarts(cond)
[18:01:29.101]                           for (restart in restarts) {
[18:01:29.101]                             name <- restart$name
[18:01:29.101]                             if (is.null(name)) 
[18:01:29.101]                               next
[18:01:29.101]                             if (!grepl(pattern, name)) 
[18:01:29.101]                               next
[18:01:29.101]                             invokeRestart(restart)
[18:01:29.101]                             muffled <- TRUE
[18:01:29.101]                             break
[18:01:29.101]                           }
[18:01:29.101]                         }
[18:01:29.101]                       }
[18:01:29.101]                       invisible(muffled)
[18:01:29.101]                     }
[18:01:29.101]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.101]                   }
[18:01:29.101]                 }
[18:01:29.101]                 else {
[18:01:29.101]                   if (TRUE) {
[18:01:29.101]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.101]                     {
[18:01:29.101]                       inherits <- base::inherits
[18:01:29.101]                       invokeRestart <- base::invokeRestart
[18:01:29.101]                       is.null <- base::is.null
[18:01:29.101]                       muffled <- FALSE
[18:01:29.101]                       if (inherits(cond, "message")) {
[18:01:29.101]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.101]                         if (muffled) 
[18:01:29.101]                           invokeRestart("muffleMessage")
[18:01:29.101]                       }
[18:01:29.101]                       else if (inherits(cond, "warning")) {
[18:01:29.101]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.101]                         if (muffled) 
[18:01:29.101]                           invokeRestart("muffleWarning")
[18:01:29.101]                       }
[18:01:29.101]                       else if (inherits(cond, "condition")) {
[18:01:29.101]                         if (!is.null(pattern)) {
[18:01:29.101]                           computeRestarts <- base::computeRestarts
[18:01:29.101]                           grepl <- base::grepl
[18:01:29.101]                           restarts <- computeRestarts(cond)
[18:01:29.101]                           for (restart in restarts) {
[18:01:29.101]                             name <- restart$name
[18:01:29.101]                             if (is.null(name)) 
[18:01:29.101]                               next
[18:01:29.101]                             if (!grepl(pattern, name)) 
[18:01:29.101]                               next
[18:01:29.101]                             invokeRestart(restart)
[18:01:29.101]                             muffled <- TRUE
[18:01:29.101]                             break
[18:01:29.101]                           }
[18:01:29.101]                         }
[18:01:29.101]                       }
[18:01:29.101]                       invisible(muffled)
[18:01:29.101]                     }
[18:01:29.101]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.101]                   }
[18:01:29.101]                 }
[18:01:29.101]             }
[18:01:29.101]         }))
[18:01:29.101]     }, error = function(ex) {
[18:01:29.101]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:29.101]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.101]                 ...future.rng), started = ...future.startTime, 
[18:01:29.101]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:29.101]             version = "1.8"), class = "FutureResult")
[18:01:29.101]     }, finally = {
[18:01:29.101]         if (!identical(...future.workdir, getwd())) 
[18:01:29.101]             setwd(...future.workdir)
[18:01:29.101]         {
[18:01:29.101]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:29.101]                 ...future.oldOptions$nwarnings <- NULL
[18:01:29.101]             }
[18:01:29.101]             base::options(...future.oldOptions)
[18:01:29.101]             if (.Platform$OS.type == "windows") {
[18:01:29.101]                 old_names <- names(...future.oldEnvVars)
[18:01:29.101]                 envs <- base::Sys.getenv()
[18:01:29.101]                 names <- names(envs)
[18:01:29.101]                 common <- intersect(names, old_names)
[18:01:29.101]                 added <- setdiff(names, old_names)
[18:01:29.101]                 removed <- setdiff(old_names, names)
[18:01:29.101]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:29.101]                   envs[common]]
[18:01:29.101]                 NAMES <- toupper(changed)
[18:01:29.101]                 args <- list()
[18:01:29.101]                 for (kk in seq_along(NAMES)) {
[18:01:29.101]                   name <- changed[[kk]]
[18:01:29.101]                   NAME <- NAMES[[kk]]
[18:01:29.101]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.101]                     next
[18:01:29.101]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.101]                 }
[18:01:29.101]                 NAMES <- toupper(added)
[18:01:29.101]                 for (kk in seq_along(NAMES)) {
[18:01:29.101]                   name <- added[[kk]]
[18:01:29.101]                   NAME <- NAMES[[kk]]
[18:01:29.101]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.101]                     next
[18:01:29.101]                   args[[name]] <- ""
[18:01:29.101]                 }
[18:01:29.101]                 NAMES <- toupper(removed)
[18:01:29.101]                 for (kk in seq_along(NAMES)) {
[18:01:29.101]                   name <- removed[[kk]]
[18:01:29.101]                   NAME <- NAMES[[kk]]
[18:01:29.101]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.101]                     next
[18:01:29.101]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.101]                 }
[18:01:29.101]                 if (length(args) > 0) 
[18:01:29.101]                   base::do.call(base::Sys.setenv, args = args)
[18:01:29.101]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:29.101]             }
[18:01:29.101]             else {
[18:01:29.101]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:29.101]             }
[18:01:29.101]             {
[18:01:29.101]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:29.101]                   0L) {
[18:01:29.101]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:29.101]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:29.101]                   base::options(opts)
[18:01:29.101]                 }
[18:01:29.101]                 {
[18:01:29.101]                   {
[18:01:29.101]                     NULL
[18:01:29.101]                     RNGkind("Mersenne-Twister")
[18:01:29.101]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:01:29.101]                       inherits = FALSE)
[18:01:29.101]                   }
[18:01:29.101]                   options(future.plan = NULL)
[18:01:29.101]                   if (is.na(NA_character_)) 
[18:01:29.101]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.101]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:29.101]                   future::plan(list(function (..., envir = parent.frame()) 
[18:01:29.101]                   {
[18:01:29.101]                     future <- SequentialFuture(..., envir = envir)
[18:01:29.101]                     if (!future$lazy) 
[18:01:29.101]                       future <- run(future)
[18:01:29.101]                     invisible(future)
[18:01:29.101]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:29.101]                 }
[18:01:29.101]             }
[18:01:29.101]         }
[18:01:29.101]     })
[18:01:29.101]     if (TRUE) {
[18:01:29.101]         base::sink(type = "output", split = FALSE)
[18:01:29.101]         if (TRUE) {
[18:01:29.101]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:29.101]         }
[18:01:29.101]         else {
[18:01:29.101]             ...future.result["stdout"] <- base::list(NULL)
[18:01:29.101]         }
[18:01:29.101]         base::close(...future.stdout)
[18:01:29.101]         ...future.stdout <- NULL
[18:01:29.101]     }
[18:01:29.101]     ...future.result$conditions <- ...future.conditions
[18:01:29.101]     ...future.result$finished <- base::Sys.time()
[18:01:29.101]     ...future.result
[18:01:29.101] }
[18:01:29.105] assign_globals() ...
[18:01:29.105] List of 1
[18:01:29.105]  $ a: num 1
[18:01:29.105]  - attr(*, "where")=List of 1
[18:01:29.105]   ..$ a:<environment: R_EmptyEnv> 
[18:01:29.105]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[18:01:29.105]  - attr(*, "resolved")= logi FALSE
[18:01:29.105]  - attr(*, "total_size")= num 56
[18:01:29.105]  - attr(*, "already-done")= logi TRUE
[18:01:29.111] - copied 'a' to environment
[18:01:29.111] assign_globals() ... done
[18:01:29.111] plan(): Setting new future strategy stack:
[18:01:29.111] List of future strategies:
[18:01:29.111] 1. sequential:
[18:01:29.111]    - args: function (..., envir = parent.frame())
[18:01:29.111]    - tweaked: FALSE
[18:01:29.111]    - call: NULL
[18:01:29.112] plan(): nbrOfWorkers() = 1
[18:01:29.113] plan(): Setting new future strategy stack:
[18:01:29.113] List of future strategies:
[18:01:29.113] 1. sequential:
[18:01:29.113]    - args: function (..., envir = parent.frame())
[18:01:29.113]    - tweaked: FALSE
[18:01:29.113]    - call: plan(strategy)
[18:01:29.113] plan(): nbrOfWorkers() = 1
[18:01:29.114] SequentialFuture started (and completed)
[18:01:29.114] - Launch lazy future ... done
[18:01:29.114] run() for 'SequentialFuture' ... done
[18:01:29.114] getGlobalsAndPackages() ...
[18:01:29.115] Searching for globals...
[18:01:29.116] - globals found: [3] '{', '*', 'a'
[18:01:29.116] Searching for globals ... DONE
[18:01:29.116] Resolving globals: FALSE
[18:01:29.116] The total size of the 1 globals is 56 bytes (56 bytes)
[18:01:29.117] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[18:01:29.117] - globals: [1] 'a'
[18:01:29.117] 
[18:01:29.117] getGlobalsAndPackages() ... DONE
[18:01:29.118] run() for 'Future' ...
[18:01:29.118] - state: 'created'
[18:01:29.118] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:01:29.119] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:01:29.119] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:01:29.119]   - Field: 'label'
[18:01:29.119]   - Field: 'local'
[18:01:29.119]   - Field: 'owner'
[18:01:29.119]   - Field: 'envir'
[18:01:29.120]   - Field: 'packages'
[18:01:29.120]   - Field: 'gc'
[18:01:29.120]   - Field: 'conditions'
[18:01:29.120]   - Field: 'expr'
[18:01:29.120]   - Field: 'uuid'
[18:01:29.121]   - Field: 'seed'
[18:01:29.121]   - Field: 'version'
[18:01:29.121]   - Field: 'result'
[18:01:29.121]   - Field: 'asynchronous'
[18:01:29.121]   - Field: 'calls'
[18:01:29.121]   - Field: 'globals'
[18:01:29.122]   - Field: 'stdout'
[18:01:29.122]   - Field: 'earlySignal'
[18:01:29.122]   - Field: 'lazy'
[18:01:29.122]   - Field: 'state'
[18:01:29.122] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:01:29.122] - Launch lazy future ...
[18:01:29.123] Packages needed by the future expression (n = 0): <none>
[18:01:29.123] Packages needed by future strategies (n = 0): <none>
[18:01:29.123] {
[18:01:29.123]     {
[18:01:29.123]         {
[18:01:29.123]             ...future.startTime <- base::Sys.time()
[18:01:29.123]             {
[18:01:29.123]                 {
[18:01:29.123]                   {
[18:01:29.123]                     base::local({
[18:01:29.123]                       has_future <- base::requireNamespace("future", 
[18:01:29.123]                         quietly = TRUE)
[18:01:29.123]                       if (has_future) {
[18:01:29.123]                         ns <- base::getNamespace("future")
[18:01:29.123]                         version <- ns[[".package"]][["version"]]
[18:01:29.123]                         if (is.null(version)) 
[18:01:29.123]                           version <- utils::packageVersion("future")
[18:01:29.123]                       }
[18:01:29.123]                       else {
[18:01:29.123]                         version <- NULL
[18:01:29.123]                       }
[18:01:29.123]                       if (!has_future || version < "1.8.0") {
[18:01:29.123]                         info <- base::c(r_version = base::gsub("R version ", 
[18:01:29.123]                           "", base::R.version$version.string), 
[18:01:29.123]                           platform = base::sprintf("%s (%s-bit)", 
[18:01:29.123]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:29.123]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:29.123]                             "release", "version")], collapse = " "), 
[18:01:29.123]                           hostname = base::Sys.info()[["nodename"]])
[18:01:29.123]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:01:29.123]                           info)
[18:01:29.123]                         info <- base::paste(info, collapse = "; ")
[18:01:29.123]                         if (!has_future) {
[18:01:29.123]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:29.123]                             info)
[18:01:29.123]                         }
[18:01:29.123]                         else {
[18:01:29.123]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:29.123]                             info, version)
[18:01:29.123]                         }
[18:01:29.123]                         base::stop(msg)
[18:01:29.123]                       }
[18:01:29.123]                     })
[18:01:29.123]                   }
[18:01:29.123]                   options(future.plan = NULL)
[18:01:29.123]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.123]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:29.123]                 }
[18:01:29.123]                 ...future.workdir <- getwd()
[18:01:29.123]             }
[18:01:29.123]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:29.123]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:29.123]         }
[18:01:29.123]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:29.123]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:29.123]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:29.123]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:29.123]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:29.123]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:29.123]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:29.123]             base::names(...future.oldOptions))
[18:01:29.123]     }
[18:01:29.123]     if (FALSE) {
[18:01:29.123]     }
[18:01:29.123]     else {
[18:01:29.123]         if (TRUE) {
[18:01:29.123]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:29.123]                 open = "w")
[18:01:29.123]         }
[18:01:29.123]         else {
[18:01:29.123]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:29.123]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:29.123]         }
[18:01:29.123]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:29.123]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:29.123]             base::sink(type = "output", split = FALSE)
[18:01:29.123]             base::close(...future.stdout)
[18:01:29.123]         }, add = TRUE)
[18:01:29.123]     }
[18:01:29.123]     ...future.frame <- base::sys.nframe()
[18:01:29.123]     ...future.conditions <- base::list()
[18:01:29.123]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:29.123]     if (FALSE) {
[18:01:29.123]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:29.123]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:29.123]     }
[18:01:29.123]     ...future.result <- base::tryCatch({
[18:01:29.123]         base::withCallingHandlers({
[18:01:29.123]             ...future.value <- base::withVisible(base::local({
[18:01:29.123]                 2 * a
[18:01:29.123]             }))
[18:01:29.123]             future::FutureResult(value = ...future.value$value, 
[18:01:29.123]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.123]                   ...future.rng), globalenv = if (FALSE) 
[18:01:29.123]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:29.123]                     ...future.globalenv.names))
[18:01:29.123]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:29.123]         }, condition = base::local({
[18:01:29.123]             c <- base::c
[18:01:29.123]             inherits <- base::inherits
[18:01:29.123]             invokeRestart <- base::invokeRestart
[18:01:29.123]             length <- base::length
[18:01:29.123]             list <- base::list
[18:01:29.123]             seq.int <- base::seq.int
[18:01:29.123]             signalCondition <- base::signalCondition
[18:01:29.123]             sys.calls <- base::sys.calls
[18:01:29.123]             `[[` <- base::`[[`
[18:01:29.123]             `+` <- base::`+`
[18:01:29.123]             `<<-` <- base::`<<-`
[18:01:29.123]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:29.123]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:29.123]                   3L)]
[18:01:29.123]             }
[18:01:29.123]             function(cond) {
[18:01:29.123]                 is_error <- inherits(cond, "error")
[18:01:29.123]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:29.123]                   NULL)
[18:01:29.123]                 if (is_error) {
[18:01:29.123]                   sessionInformation <- function() {
[18:01:29.123]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:29.123]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:29.123]                       search = base::search(), system = base::Sys.info())
[18:01:29.123]                   }
[18:01:29.123]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.123]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:29.123]                     cond$call), session = sessionInformation(), 
[18:01:29.123]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:29.123]                   signalCondition(cond)
[18:01:29.123]                 }
[18:01:29.123]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:29.123]                 "immediateCondition"))) {
[18:01:29.123]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:29.123]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.123]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:29.123]                   if (TRUE && !signal) {
[18:01:29.123]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.123]                     {
[18:01:29.123]                       inherits <- base::inherits
[18:01:29.123]                       invokeRestart <- base::invokeRestart
[18:01:29.123]                       is.null <- base::is.null
[18:01:29.123]                       muffled <- FALSE
[18:01:29.123]                       if (inherits(cond, "message")) {
[18:01:29.123]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.123]                         if (muffled) 
[18:01:29.123]                           invokeRestart("muffleMessage")
[18:01:29.123]                       }
[18:01:29.123]                       else if (inherits(cond, "warning")) {
[18:01:29.123]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.123]                         if (muffled) 
[18:01:29.123]                           invokeRestart("muffleWarning")
[18:01:29.123]                       }
[18:01:29.123]                       else if (inherits(cond, "condition")) {
[18:01:29.123]                         if (!is.null(pattern)) {
[18:01:29.123]                           computeRestarts <- base::computeRestarts
[18:01:29.123]                           grepl <- base::grepl
[18:01:29.123]                           restarts <- computeRestarts(cond)
[18:01:29.123]                           for (restart in restarts) {
[18:01:29.123]                             name <- restart$name
[18:01:29.123]                             if (is.null(name)) 
[18:01:29.123]                               next
[18:01:29.123]                             if (!grepl(pattern, name)) 
[18:01:29.123]                               next
[18:01:29.123]                             invokeRestart(restart)
[18:01:29.123]                             muffled <- TRUE
[18:01:29.123]                             break
[18:01:29.123]                           }
[18:01:29.123]                         }
[18:01:29.123]                       }
[18:01:29.123]                       invisible(muffled)
[18:01:29.123]                     }
[18:01:29.123]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.123]                   }
[18:01:29.123]                 }
[18:01:29.123]                 else {
[18:01:29.123]                   if (TRUE) {
[18:01:29.123]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.123]                     {
[18:01:29.123]                       inherits <- base::inherits
[18:01:29.123]                       invokeRestart <- base::invokeRestart
[18:01:29.123]                       is.null <- base::is.null
[18:01:29.123]                       muffled <- FALSE
[18:01:29.123]                       if (inherits(cond, "message")) {
[18:01:29.123]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.123]                         if (muffled) 
[18:01:29.123]                           invokeRestart("muffleMessage")
[18:01:29.123]                       }
[18:01:29.123]                       else if (inherits(cond, "warning")) {
[18:01:29.123]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.123]                         if (muffled) 
[18:01:29.123]                           invokeRestart("muffleWarning")
[18:01:29.123]                       }
[18:01:29.123]                       else if (inherits(cond, "condition")) {
[18:01:29.123]                         if (!is.null(pattern)) {
[18:01:29.123]                           computeRestarts <- base::computeRestarts
[18:01:29.123]                           grepl <- base::grepl
[18:01:29.123]                           restarts <- computeRestarts(cond)
[18:01:29.123]                           for (restart in restarts) {
[18:01:29.123]                             name <- restart$name
[18:01:29.123]                             if (is.null(name)) 
[18:01:29.123]                               next
[18:01:29.123]                             if (!grepl(pattern, name)) 
[18:01:29.123]                               next
[18:01:29.123]                             invokeRestart(restart)
[18:01:29.123]                             muffled <- TRUE
[18:01:29.123]                             break
[18:01:29.123]                           }
[18:01:29.123]                         }
[18:01:29.123]                       }
[18:01:29.123]                       invisible(muffled)
[18:01:29.123]                     }
[18:01:29.123]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.123]                   }
[18:01:29.123]                 }
[18:01:29.123]             }
[18:01:29.123]         }))
[18:01:29.123]     }, error = function(ex) {
[18:01:29.123]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:29.123]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.123]                 ...future.rng), started = ...future.startTime, 
[18:01:29.123]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:29.123]             version = "1.8"), class = "FutureResult")
[18:01:29.123]     }, finally = {
[18:01:29.123]         if (!identical(...future.workdir, getwd())) 
[18:01:29.123]             setwd(...future.workdir)
[18:01:29.123]         {
[18:01:29.123]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:29.123]                 ...future.oldOptions$nwarnings <- NULL
[18:01:29.123]             }
[18:01:29.123]             base::options(...future.oldOptions)
[18:01:29.123]             if (.Platform$OS.type == "windows") {
[18:01:29.123]                 old_names <- names(...future.oldEnvVars)
[18:01:29.123]                 envs <- base::Sys.getenv()
[18:01:29.123]                 names <- names(envs)
[18:01:29.123]                 common <- intersect(names, old_names)
[18:01:29.123]                 added <- setdiff(names, old_names)
[18:01:29.123]                 removed <- setdiff(old_names, names)
[18:01:29.123]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:29.123]                   envs[common]]
[18:01:29.123]                 NAMES <- toupper(changed)
[18:01:29.123]                 args <- list()
[18:01:29.123]                 for (kk in seq_along(NAMES)) {
[18:01:29.123]                   name <- changed[[kk]]
[18:01:29.123]                   NAME <- NAMES[[kk]]
[18:01:29.123]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.123]                     next
[18:01:29.123]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.123]                 }
[18:01:29.123]                 NAMES <- toupper(added)
[18:01:29.123]                 for (kk in seq_along(NAMES)) {
[18:01:29.123]                   name <- added[[kk]]
[18:01:29.123]                   NAME <- NAMES[[kk]]
[18:01:29.123]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.123]                     next
[18:01:29.123]                   args[[name]] <- ""
[18:01:29.123]                 }
[18:01:29.123]                 NAMES <- toupper(removed)
[18:01:29.123]                 for (kk in seq_along(NAMES)) {
[18:01:29.123]                   name <- removed[[kk]]
[18:01:29.123]                   NAME <- NAMES[[kk]]
[18:01:29.123]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.123]                     next
[18:01:29.123]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.123]                 }
[18:01:29.123]                 if (length(args) > 0) 
[18:01:29.123]                   base::do.call(base::Sys.setenv, args = args)
[18:01:29.123]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:29.123]             }
[18:01:29.123]             else {
[18:01:29.123]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:29.123]             }
[18:01:29.123]             {
[18:01:29.123]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:29.123]                   0L) {
[18:01:29.123]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:29.123]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:29.123]                   base::options(opts)
[18:01:29.123]                 }
[18:01:29.123]                 {
[18:01:29.123]                   {
[18:01:29.123]                     NULL
[18:01:29.123]                     RNGkind("Mersenne-Twister")
[18:01:29.123]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:01:29.123]                       inherits = FALSE)
[18:01:29.123]                   }
[18:01:29.123]                   options(future.plan = NULL)
[18:01:29.123]                   if (is.na(NA_character_)) 
[18:01:29.123]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.123]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:29.123]                   future::plan(list(function (..., envir = parent.frame()) 
[18:01:29.123]                   {
[18:01:29.123]                     future <- SequentialFuture(..., envir = envir)
[18:01:29.123]                     if (!future$lazy) 
[18:01:29.123]                       future <- run(future)
[18:01:29.123]                     invisible(future)
[18:01:29.123]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:29.123]                 }
[18:01:29.123]             }
[18:01:29.123]         }
[18:01:29.123]     })
[18:01:29.123]     if (TRUE) {
[18:01:29.123]         base::sink(type = "output", split = FALSE)
[18:01:29.123]         if (TRUE) {
[18:01:29.123]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:29.123]         }
[18:01:29.123]         else {
[18:01:29.123]             ...future.result["stdout"] <- base::list(NULL)
[18:01:29.123]         }
[18:01:29.123]         base::close(...future.stdout)
[18:01:29.123]         ...future.stdout <- NULL
[18:01:29.123]     }
[18:01:29.123]     ...future.result$conditions <- ...future.conditions
[18:01:29.123]     ...future.result$finished <- base::Sys.time()
[18:01:29.123]     ...future.result
[18:01:29.123] }
[18:01:29.127] assign_globals() ...
[18:01:29.127] List of 1
[18:01:29.127]  $ a: num 1
[18:01:29.127]  - attr(*, "where")=List of 1
[18:01:29.127]   ..$ a:<environment: R_EmptyEnv> 
[18:01:29.127]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[18:01:29.127]  - attr(*, "resolved")= logi FALSE
[18:01:29.127]  - attr(*, "total_size")= num 56
[18:01:29.127]  - attr(*, "already-done")= logi TRUE
[18:01:29.131] - copied 'a' to environment
[18:01:29.131] assign_globals() ... done
[18:01:29.131] plan(): Setting new future strategy stack:
[18:01:29.131] List of future strategies:
[18:01:29.131] 1. sequential:
[18:01:29.131]    - args: function (..., envir = parent.frame())
[18:01:29.131]    - tweaked: FALSE
[18:01:29.131]    - call: NULL
[18:01:29.132] plan(): nbrOfWorkers() = 1
[18:01:29.133] plan(): Setting new future strategy stack:
[18:01:29.133] List of future strategies:
[18:01:29.133] 1. sequential:
[18:01:29.133]    - args: function (..., envir = parent.frame())
[18:01:29.133]    - tweaked: FALSE
[18:01:29.133]    - call: plan(strategy)
[18:01:29.134] plan(): nbrOfWorkers() = 1
[18:01:29.134] SequentialFuture started (and completed)
[18:01:29.134] - Launch lazy future ... done
[18:01:29.134] run() for 'SequentialFuture' ... done
[18:01:29.135] getGlobalsAndPackages() ...
[18:01:29.135] Searching for globals...
[18:01:29.137] - globals found: [3] '{', '*', 'a'
[18:01:29.137] Searching for globals ... DONE
[18:01:29.137] Resolving globals: FALSE
[18:01:29.138] The total size of the 1 globals is 56 bytes (56 bytes)
[18:01:29.138] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[18:01:29.138] - globals: [1] 'a'
[18:01:29.139] 
[18:01:29.139] getGlobalsAndPackages() ... DONE
[18:01:29.139] run() for 'Future' ...
[18:01:29.139] - state: 'created'
[18:01:29.139] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:01:29.140] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:01:29.140] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:01:29.140]   - Field: 'label'
[18:01:29.140]   - Field: 'local'
[18:01:29.140]   - Field: 'owner'
[18:01:29.141]   - Field: 'envir'
[18:01:29.141]   - Field: 'packages'
[18:01:29.141]   - Field: 'gc'
[18:01:29.141]   - Field: 'conditions'
[18:01:29.141]   - Field: 'expr'
[18:01:29.142]   - Field: 'uuid'
[18:01:29.142]   - Field: 'seed'
[18:01:29.142]   - Field: 'version'
[18:01:29.142]   - Field: 'result'
[18:01:29.142]   - Field: 'asynchronous'
[18:01:29.142]   - Field: 'calls'
[18:01:29.143]   - Field: 'globals'
[18:01:29.143]   - Field: 'stdout'
[18:01:29.143]   - Field: 'earlySignal'
[18:01:29.143]   - Field: 'lazy'
[18:01:29.143]   - Field: 'state'
[18:01:29.143] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:01:29.144] - Launch lazy future ...
[18:01:29.144] Packages needed by the future expression (n = 0): <none>
[18:01:29.144] Packages needed by future strategies (n = 0): <none>
[18:01:29.145] {
[18:01:29.145]     {
[18:01:29.145]         {
[18:01:29.145]             ...future.startTime <- base::Sys.time()
[18:01:29.145]             {
[18:01:29.145]                 {
[18:01:29.145]                   {
[18:01:29.145]                     base::local({
[18:01:29.145]                       has_future <- base::requireNamespace("future", 
[18:01:29.145]                         quietly = TRUE)
[18:01:29.145]                       if (has_future) {
[18:01:29.145]                         ns <- base::getNamespace("future")
[18:01:29.145]                         version <- ns[[".package"]][["version"]]
[18:01:29.145]                         if (is.null(version)) 
[18:01:29.145]                           version <- utils::packageVersion("future")
[18:01:29.145]                       }
[18:01:29.145]                       else {
[18:01:29.145]                         version <- NULL
[18:01:29.145]                       }
[18:01:29.145]                       if (!has_future || version < "1.8.0") {
[18:01:29.145]                         info <- base::c(r_version = base::gsub("R version ", 
[18:01:29.145]                           "", base::R.version$version.string), 
[18:01:29.145]                           platform = base::sprintf("%s (%s-bit)", 
[18:01:29.145]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:29.145]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:29.145]                             "release", "version")], collapse = " "), 
[18:01:29.145]                           hostname = base::Sys.info()[["nodename"]])
[18:01:29.145]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:01:29.145]                           info)
[18:01:29.145]                         info <- base::paste(info, collapse = "; ")
[18:01:29.145]                         if (!has_future) {
[18:01:29.145]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:29.145]                             info)
[18:01:29.145]                         }
[18:01:29.145]                         else {
[18:01:29.145]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:29.145]                             info, version)
[18:01:29.145]                         }
[18:01:29.145]                         base::stop(msg)
[18:01:29.145]                       }
[18:01:29.145]                     })
[18:01:29.145]                   }
[18:01:29.145]                   options(future.plan = NULL)
[18:01:29.145]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.145]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:29.145]                 }
[18:01:29.145]                 ...future.workdir <- getwd()
[18:01:29.145]             }
[18:01:29.145]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:29.145]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:29.145]         }
[18:01:29.145]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:29.145]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:29.145]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:29.145]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:29.145]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:29.145]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:29.145]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:29.145]             base::names(...future.oldOptions))
[18:01:29.145]     }
[18:01:29.145]     if (FALSE) {
[18:01:29.145]     }
[18:01:29.145]     else {
[18:01:29.145]         if (TRUE) {
[18:01:29.145]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:29.145]                 open = "w")
[18:01:29.145]         }
[18:01:29.145]         else {
[18:01:29.145]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:29.145]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:29.145]         }
[18:01:29.145]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:29.145]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:29.145]             base::sink(type = "output", split = FALSE)
[18:01:29.145]             base::close(...future.stdout)
[18:01:29.145]         }, add = TRUE)
[18:01:29.145]     }
[18:01:29.145]     ...future.frame <- base::sys.nframe()
[18:01:29.145]     ...future.conditions <- base::list()
[18:01:29.145]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:29.145]     if (FALSE) {
[18:01:29.145]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:29.145]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:29.145]     }
[18:01:29.145]     ...future.result <- base::tryCatch({
[18:01:29.145]         base::withCallingHandlers({
[18:01:29.145]             ...future.value <- base::withVisible(base::local({
[18:01:29.145]                 2 * a
[18:01:29.145]             }))
[18:01:29.145]             future::FutureResult(value = ...future.value$value, 
[18:01:29.145]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.145]                   ...future.rng), globalenv = if (FALSE) 
[18:01:29.145]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:29.145]                     ...future.globalenv.names))
[18:01:29.145]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:29.145]         }, condition = base::local({
[18:01:29.145]             c <- base::c
[18:01:29.145]             inherits <- base::inherits
[18:01:29.145]             invokeRestart <- base::invokeRestart
[18:01:29.145]             length <- base::length
[18:01:29.145]             list <- base::list
[18:01:29.145]             seq.int <- base::seq.int
[18:01:29.145]             signalCondition <- base::signalCondition
[18:01:29.145]             sys.calls <- base::sys.calls
[18:01:29.145]             `[[` <- base::`[[`
[18:01:29.145]             `+` <- base::`+`
[18:01:29.145]             `<<-` <- base::`<<-`
[18:01:29.145]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:29.145]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:29.145]                   3L)]
[18:01:29.145]             }
[18:01:29.145]             function(cond) {
[18:01:29.145]                 is_error <- inherits(cond, "error")
[18:01:29.145]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:29.145]                   NULL)
[18:01:29.145]                 if (is_error) {
[18:01:29.145]                   sessionInformation <- function() {
[18:01:29.145]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:29.145]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:29.145]                       search = base::search(), system = base::Sys.info())
[18:01:29.145]                   }
[18:01:29.145]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.145]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:29.145]                     cond$call), session = sessionInformation(), 
[18:01:29.145]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:29.145]                   signalCondition(cond)
[18:01:29.145]                 }
[18:01:29.145]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:29.145]                 "immediateCondition"))) {
[18:01:29.145]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:29.145]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.145]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:29.145]                   if (TRUE && !signal) {
[18:01:29.145]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.145]                     {
[18:01:29.145]                       inherits <- base::inherits
[18:01:29.145]                       invokeRestart <- base::invokeRestart
[18:01:29.145]                       is.null <- base::is.null
[18:01:29.145]                       muffled <- FALSE
[18:01:29.145]                       if (inherits(cond, "message")) {
[18:01:29.145]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.145]                         if (muffled) 
[18:01:29.145]                           invokeRestart("muffleMessage")
[18:01:29.145]                       }
[18:01:29.145]                       else if (inherits(cond, "warning")) {
[18:01:29.145]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.145]                         if (muffled) 
[18:01:29.145]                           invokeRestart("muffleWarning")
[18:01:29.145]                       }
[18:01:29.145]                       else if (inherits(cond, "condition")) {
[18:01:29.145]                         if (!is.null(pattern)) {
[18:01:29.145]                           computeRestarts <- base::computeRestarts
[18:01:29.145]                           grepl <- base::grepl
[18:01:29.145]                           restarts <- computeRestarts(cond)
[18:01:29.145]                           for (restart in restarts) {
[18:01:29.145]                             name <- restart$name
[18:01:29.145]                             if (is.null(name)) 
[18:01:29.145]                               next
[18:01:29.145]                             if (!grepl(pattern, name)) 
[18:01:29.145]                               next
[18:01:29.145]                             invokeRestart(restart)
[18:01:29.145]                             muffled <- TRUE
[18:01:29.145]                             break
[18:01:29.145]                           }
[18:01:29.145]                         }
[18:01:29.145]                       }
[18:01:29.145]                       invisible(muffled)
[18:01:29.145]                     }
[18:01:29.145]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.145]                   }
[18:01:29.145]                 }
[18:01:29.145]                 else {
[18:01:29.145]                   if (TRUE) {
[18:01:29.145]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.145]                     {
[18:01:29.145]                       inherits <- base::inherits
[18:01:29.145]                       invokeRestart <- base::invokeRestart
[18:01:29.145]                       is.null <- base::is.null
[18:01:29.145]                       muffled <- FALSE
[18:01:29.145]                       if (inherits(cond, "message")) {
[18:01:29.145]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.145]                         if (muffled) 
[18:01:29.145]                           invokeRestart("muffleMessage")
[18:01:29.145]                       }
[18:01:29.145]                       else if (inherits(cond, "warning")) {
[18:01:29.145]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.145]                         if (muffled) 
[18:01:29.145]                           invokeRestart("muffleWarning")
[18:01:29.145]                       }
[18:01:29.145]                       else if (inherits(cond, "condition")) {
[18:01:29.145]                         if (!is.null(pattern)) {
[18:01:29.145]                           computeRestarts <- base::computeRestarts
[18:01:29.145]                           grepl <- base::grepl
[18:01:29.145]                           restarts <- computeRestarts(cond)
[18:01:29.145]                           for (restart in restarts) {
[18:01:29.145]                             name <- restart$name
[18:01:29.145]                             if (is.null(name)) 
[18:01:29.145]                               next
[18:01:29.145]                             if (!grepl(pattern, name)) 
[18:01:29.145]                               next
[18:01:29.145]                             invokeRestart(restart)
[18:01:29.145]                             muffled <- TRUE
[18:01:29.145]                             break
[18:01:29.145]                           }
[18:01:29.145]                         }
[18:01:29.145]                       }
[18:01:29.145]                       invisible(muffled)
[18:01:29.145]                     }
[18:01:29.145]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.145]                   }
[18:01:29.145]                 }
[18:01:29.145]             }
[18:01:29.145]         }))
[18:01:29.145]     }, error = function(ex) {
[18:01:29.145]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:29.145]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.145]                 ...future.rng), started = ...future.startTime, 
[18:01:29.145]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:29.145]             version = "1.8"), class = "FutureResult")
[18:01:29.145]     }, finally = {
[18:01:29.145]         if (!identical(...future.workdir, getwd())) 
[18:01:29.145]             setwd(...future.workdir)
[18:01:29.145]         {
[18:01:29.145]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:29.145]                 ...future.oldOptions$nwarnings <- NULL
[18:01:29.145]             }
[18:01:29.145]             base::options(...future.oldOptions)
[18:01:29.145]             if (.Platform$OS.type == "windows") {
[18:01:29.145]                 old_names <- names(...future.oldEnvVars)
[18:01:29.145]                 envs <- base::Sys.getenv()
[18:01:29.145]                 names <- names(envs)
[18:01:29.145]                 common <- intersect(names, old_names)
[18:01:29.145]                 added <- setdiff(names, old_names)
[18:01:29.145]                 removed <- setdiff(old_names, names)
[18:01:29.145]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:29.145]                   envs[common]]
[18:01:29.145]                 NAMES <- toupper(changed)
[18:01:29.145]                 args <- list()
[18:01:29.145]                 for (kk in seq_along(NAMES)) {
[18:01:29.145]                   name <- changed[[kk]]
[18:01:29.145]                   NAME <- NAMES[[kk]]
[18:01:29.145]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.145]                     next
[18:01:29.145]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.145]                 }
[18:01:29.145]                 NAMES <- toupper(added)
[18:01:29.145]                 for (kk in seq_along(NAMES)) {
[18:01:29.145]                   name <- added[[kk]]
[18:01:29.145]                   NAME <- NAMES[[kk]]
[18:01:29.145]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.145]                     next
[18:01:29.145]                   args[[name]] <- ""
[18:01:29.145]                 }
[18:01:29.145]                 NAMES <- toupper(removed)
[18:01:29.145]                 for (kk in seq_along(NAMES)) {
[18:01:29.145]                   name <- removed[[kk]]
[18:01:29.145]                   NAME <- NAMES[[kk]]
[18:01:29.145]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.145]                     next
[18:01:29.145]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.145]                 }
[18:01:29.145]                 if (length(args) > 0) 
[18:01:29.145]                   base::do.call(base::Sys.setenv, args = args)
[18:01:29.145]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:29.145]             }
[18:01:29.145]             else {
[18:01:29.145]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:29.145]             }
[18:01:29.145]             {
[18:01:29.145]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:29.145]                   0L) {
[18:01:29.145]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:29.145]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:29.145]                   base::options(opts)
[18:01:29.145]                 }
[18:01:29.145]                 {
[18:01:29.145]                   {
[18:01:29.145]                     NULL
[18:01:29.145]                     RNGkind("Mersenne-Twister")
[18:01:29.145]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:01:29.145]                       inherits = FALSE)
[18:01:29.145]                   }
[18:01:29.145]                   options(future.plan = NULL)
[18:01:29.145]                   if (is.na(NA_character_)) 
[18:01:29.145]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.145]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:29.145]                   future::plan(list(function (..., envir = parent.frame()) 
[18:01:29.145]                   {
[18:01:29.145]                     future <- SequentialFuture(..., envir = envir)
[18:01:29.145]                     if (!future$lazy) 
[18:01:29.145]                       future <- run(future)
[18:01:29.145]                     invisible(future)
[18:01:29.145]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:29.145]                 }
[18:01:29.145]             }
[18:01:29.145]         }
[18:01:29.145]     })
[18:01:29.145]     if (TRUE) {
[18:01:29.145]         base::sink(type = "output", split = FALSE)
[18:01:29.145]         if (TRUE) {
[18:01:29.145]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:29.145]         }
[18:01:29.145]         else {
[18:01:29.145]             ...future.result["stdout"] <- base::list(NULL)
[18:01:29.145]         }
[18:01:29.145]         base::close(...future.stdout)
[18:01:29.145]         ...future.stdout <- NULL
[18:01:29.145]     }
[18:01:29.145]     ...future.result$conditions <- ...future.conditions
[18:01:29.145]     ...future.result$finished <- base::Sys.time()
[18:01:29.145]     ...future.result
[18:01:29.145] }
[18:01:29.148] assign_globals() ...
[18:01:29.148] List of 1
[18:01:29.148]  $ a: num 1
[18:01:29.148]  - attr(*, "where")=List of 1
[18:01:29.148]   ..$ a:<environment: R_EmptyEnv> 
[18:01:29.148]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[18:01:29.148]  - attr(*, "resolved")= logi FALSE
[18:01:29.148]  - attr(*, "total_size")= num 56
[18:01:29.148]  - attr(*, "already-done")= logi TRUE
[18:01:29.151] - copied 'a' to environment
[18:01:29.152] assign_globals() ... done
[18:01:29.152] plan(): Setting new future strategy stack:
[18:01:29.152] List of future strategies:
[18:01:29.152] 1. sequential:
[18:01:29.152]    - args: function (..., envir = parent.frame())
[18:01:29.152]    - tweaked: FALSE
[18:01:29.152]    - call: NULL
[18:01:29.153] plan(): nbrOfWorkers() = 1
[18:01:29.154] plan(): Setting new future strategy stack:
[18:01:29.154] List of future strategies:
[18:01:29.154] 1. sequential:
[18:01:29.154]    - args: function (..., envir = parent.frame())
[18:01:29.154]    - tweaked: FALSE
[18:01:29.154]    - call: plan(strategy)
[18:01:29.154] plan(): nbrOfWorkers() = 1
[18:01:29.155] SequentialFuture started (and completed)
[18:01:29.155] - Launch lazy future ... done
[18:01:29.155] run() for 'SequentialFuture' ... done
[18:01:29.155] getGlobalsAndPackages() ...
[18:01:29.155] Searching for globals...
[18:01:29.156] - globals found: [3] '{', '*', 'a'
[18:01:29.157] Searching for globals ... DONE
[18:01:29.157] Resolving globals: FALSE
[18:01:29.157] The total size of the 1 globals is 56 bytes (56 bytes)
[18:01:29.158] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[18:01:29.158] - globals: [1] 'a'
[18:01:29.158] 
[18:01:29.158] getGlobalsAndPackages() ... DONE
[18:01:29.159] run() for 'Future' ...
[18:01:29.159] - state: 'created'
[18:01:29.159] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:01:29.159] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:01:29.160] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:01:29.160]   - Field: 'label'
[18:01:29.160]   - Field: 'local'
[18:01:29.160]   - Field: 'owner'
[18:01:29.160]   - Field: 'envir'
[18:01:29.160]   - Field: 'packages'
[18:01:29.161]   - Field: 'gc'
[18:01:29.161]   - Field: 'conditions'
[18:01:29.161]   - Field: 'expr'
[18:01:29.161]   - Field: 'uuid'
[18:01:29.161]   - Field: 'seed'
[18:01:29.161]   - Field: 'version'
[18:01:29.162]   - Field: 'result'
[18:01:29.162]   - Field: 'asynchronous'
[18:01:29.162]   - Field: 'calls'
[18:01:29.162]   - Field: 'globals'
[18:01:29.162]   - Field: 'stdout'
[18:01:29.162]   - Field: 'earlySignal'
[18:01:29.163]   - Field: 'lazy'
[18:01:29.163]   - Field: 'state'
[18:01:29.163] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:01:29.163] - Launch lazy future ...
[18:01:29.163] Packages needed by the future expression (n = 0): <none>
[18:01:29.164] Packages needed by future strategies (n = 0): <none>
[18:01:29.164] {
[18:01:29.164]     {
[18:01:29.164]         {
[18:01:29.164]             ...future.startTime <- base::Sys.time()
[18:01:29.164]             {
[18:01:29.164]                 {
[18:01:29.164]                   {
[18:01:29.164]                     base::local({
[18:01:29.164]                       has_future <- base::requireNamespace("future", 
[18:01:29.164]                         quietly = TRUE)
[18:01:29.164]                       if (has_future) {
[18:01:29.164]                         ns <- base::getNamespace("future")
[18:01:29.164]                         version <- ns[[".package"]][["version"]]
[18:01:29.164]                         if (is.null(version)) 
[18:01:29.164]                           version <- utils::packageVersion("future")
[18:01:29.164]                       }
[18:01:29.164]                       else {
[18:01:29.164]                         version <- NULL
[18:01:29.164]                       }
[18:01:29.164]                       if (!has_future || version < "1.8.0") {
[18:01:29.164]                         info <- base::c(r_version = base::gsub("R version ", 
[18:01:29.164]                           "", base::R.version$version.string), 
[18:01:29.164]                           platform = base::sprintf("%s (%s-bit)", 
[18:01:29.164]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:29.164]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:29.164]                             "release", "version")], collapse = " "), 
[18:01:29.164]                           hostname = base::Sys.info()[["nodename"]])
[18:01:29.164]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:01:29.164]                           info)
[18:01:29.164]                         info <- base::paste(info, collapse = "; ")
[18:01:29.164]                         if (!has_future) {
[18:01:29.164]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:29.164]                             info)
[18:01:29.164]                         }
[18:01:29.164]                         else {
[18:01:29.164]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:29.164]                             info, version)
[18:01:29.164]                         }
[18:01:29.164]                         base::stop(msg)
[18:01:29.164]                       }
[18:01:29.164]                     })
[18:01:29.164]                   }
[18:01:29.164]                   options(future.plan = NULL)
[18:01:29.164]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.164]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:29.164]                 }
[18:01:29.164]                 ...future.workdir <- getwd()
[18:01:29.164]             }
[18:01:29.164]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:29.164]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:29.164]         }
[18:01:29.164]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:29.164]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:29.164]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:29.164]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:29.164]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:29.164]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:29.164]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:29.164]             base::names(...future.oldOptions))
[18:01:29.164]     }
[18:01:29.164]     if (FALSE) {
[18:01:29.164]     }
[18:01:29.164]     else {
[18:01:29.164]         if (TRUE) {
[18:01:29.164]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:29.164]                 open = "w")
[18:01:29.164]         }
[18:01:29.164]         else {
[18:01:29.164]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:29.164]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:29.164]         }
[18:01:29.164]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:29.164]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:29.164]             base::sink(type = "output", split = FALSE)
[18:01:29.164]             base::close(...future.stdout)
[18:01:29.164]         }, add = TRUE)
[18:01:29.164]     }
[18:01:29.164]     ...future.frame <- base::sys.nframe()
[18:01:29.164]     ...future.conditions <- base::list()
[18:01:29.164]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:29.164]     if (FALSE) {
[18:01:29.164]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:29.164]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:29.164]     }
[18:01:29.164]     ...future.result <- base::tryCatch({
[18:01:29.164]         base::withCallingHandlers({
[18:01:29.164]             ...future.value <- base::withVisible(base::local({
[18:01:29.164]                 2 * a
[18:01:29.164]             }))
[18:01:29.164]             future::FutureResult(value = ...future.value$value, 
[18:01:29.164]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.164]                   ...future.rng), globalenv = if (FALSE) 
[18:01:29.164]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:29.164]                     ...future.globalenv.names))
[18:01:29.164]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:29.164]         }, condition = base::local({
[18:01:29.164]             c <- base::c
[18:01:29.164]             inherits <- base::inherits
[18:01:29.164]             invokeRestart <- base::invokeRestart
[18:01:29.164]             length <- base::length
[18:01:29.164]             list <- base::list
[18:01:29.164]             seq.int <- base::seq.int
[18:01:29.164]             signalCondition <- base::signalCondition
[18:01:29.164]             sys.calls <- base::sys.calls
[18:01:29.164]             `[[` <- base::`[[`
[18:01:29.164]             `+` <- base::`+`
[18:01:29.164]             `<<-` <- base::`<<-`
[18:01:29.164]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:29.164]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:29.164]                   3L)]
[18:01:29.164]             }
[18:01:29.164]             function(cond) {
[18:01:29.164]                 is_error <- inherits(cond, "error")
[18:01:29.164]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:29.164]                   NULL)
[18:01:29.164]                 if (is_error) {
[18:01:29.164]                   sessionInformation <- function() {
[18:01:29.164]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:29.164]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:29.164]                       search = base::search(), system = base::Sys.info())
[18:01:29.164]                   }
[18:01:29.164]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.164]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:29.164]                     cond$call), session = sessionInformation(), 
[18:01:29.164]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:29.164]                   signalCondition(cond)
[18:01:29.164]                 }
[18:01:29.164]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:29.164]                 "immediateCondition"))) {
[18:01:29.164]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:29.164]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.164]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:29.164]                   if (TRUE && !signal) {
[18:01:29.164]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.164]                     {
[18:01:29.164]                       inherits <- base::inherits
[18:01:29.164]                       invokeRestart <- base::invokeRestart
[18:01:29.164]                       is.null <- base::is.null
[18:01:29.164]                       muffled <- FALSE
[18:01:29.164]                       if (inherits(cond, "message")) {
[18:01:29.164]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.164]                         if (muffled) 
[18:01:29.164]                           invokeRestart("muffleMessage")
[18:01:29.164]                       }
[18:01:29.164]                       else if (inherits(cond, "warning")) {
[18:01:29.164]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.164]                         if (muffled) 
[18:01:29.164]                           invokeRestart("muffleWarning")
[18:01:29.164]                       }
[18:01:29.164]                       else if (inherits(cond, "condition")) {
[18:01:29.164]                         if (!is.null(pattern)) {
[18:01:29.164]                           computeRestarts <- base::computeRestarts
[18:01:29.164]                           grepl <- base::grepl
[18:01:29.164]                           restarts <- computeRestarts(cond)
[18:01:29.164]                           for (restart in restarts) {
[18:01:29.164]                             name <- restart$name
[18:01:29.164]                             if (is.null(name)) 
[18:01:29.164]                               next
[18:01:29.164]                             if (!grepl(pattern, name)) 
[18:01:29.164]                               next
[18:01:29.164]                             invokeRestart(restart)
[18:01:29.164]                             muffled <- TRUE
[18:01:29.164]                             break
[18:01:29.164]                           }
[18:01:29.164]                         }
[18:01:29.164]                       }
[18:01:29.164]                       invisible(muffled)
[18:01:29.164]                     }
[18:01:29.164]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.164]                   }
[18:01:29.164]                 }
[18:01:29.164]                 else {
[18:01:29.164]                   if (TRUE) {
[18:01:29.164]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.164]                     {
[18:01:29.164]                       inherits <- base::inherits
[18:01:29.164]                       invokeRestart <- base::invokeRestart
[18:01:29.164]                       is.null <- base::is.null
[18:01:29.164]                       muffled <- FALSE
[18:01:29.164]                       if (inherits(cond, "message")) {
[18:01:29.164]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.164]                         if (muffled) 
[18:01:29.164]                           invokeRestart("muffleMessage")
[18:01:29.164]                       }
[18:01:29.164]                       else if (inherits(cond, "warning")) {
[18:01:29.164]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.164]                         if (muffled) 
[18:01:29.164]                           invokeRestart("muffleWarning")
[18:01:29.164]                       }
[18:01:29.164]                       else if (inherits(cond, "condition")) {
[18:01:29.164]                         if (!is.null(pattern)) {
[18:01:29.164]                           computeRestarts <- base::computeRestarts
[18:01:29.164]                           grepl <- base::grepl
[18:01:29.164]                           restarts <- computeRestarts(cond)
[18:01:29.164]                           for (restart in restarts) {
[18:01:29.164]                             name <- restart$name
[18:01:29.164]                             if (is.null(name)) 
[18:01:29.164]                               next
[18:01:29.164]                             if (!grepl(pattern, name)) 
[18:01:29.164]                               next
[18:01:29.164]                             invokeRestart(restart)
[18:01:29.164]                             muffled <- TRUE
[18:01:29.164]                             break
[18:01:29.164]                           }
[18:01:29.164]                         }
[18:01:29.164]                       }
[18:01:29.164]                       invisible(muffled)
[18:01:29.164]                     }
[18:01:29.164]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.164]                   }
[18:01:29.164]                 }
[18:01:29.164]             }
[18:01:29.164]         }))
[18:01:29.164]     }, error = function(ex) {
[18:01:29.164]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:29.164]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.164]                 ...future.rng), started = ...future.startTime, 
[18:01:29.164]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:29.164]             version = "1.8"), class = "FutureResult")
[18:01:29.164]     }, finally = {
[18:01:29.164]         if (!identical(...future.workdir, getwd())) 
[18:01:29.164]             setwd(...future.workdir)
[18:01:29.164]         {
[18:01:29.164]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:29.164]                 ...future.oldOptions$nwarnings <- NULL
[18:01:29.164]             }
[18:01:29.164]             base::options(...future.oldOptions)
[18:01:29.164]             if (.Platform$OS.type == "windows") {
[18:01:29.164]                 old_names <- names(...future.oldEnvVars)
[18:01:29.164]                 envs <- base::Sys.getenv()
[18:01:29.164]                 names <- names(envs)
[18:01:29.164]                 common <- intersect(names, old_names)
[18:01:29.164]                 added <- setdiff(names, old_names)
[18:01:29.164]                 removed <- setdiff(old_names, names)
[18:01:29.164]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:29.164]                   envs[common]]
[18:01:29.164]                 NAMES <- toupper(changed)
[18:01:29.164]                 args <- list()
[18:01:29.164]                 for (kk in seq_along(NAMES)) {
[18:01:29.164]                   name <- changed[[kk]]
[18:01:29.164]                   NAME <- NAMES[[kk]]
[18:01:29.164]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.164]                     next
[18:01:29.164]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.164]                 }
[18:01:29.164]                 NAMES <- toupper(added)
[18:01:29.164]                 for (kk in seq_along(NAMES)) {
[18:01:29.164]                   name <- added[[kk]]
[18:01:29.164]                   NAME <- NAMES[[kk]]
[18:01:29.164]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.164]                     next
[18:01:29.164]                   args[[name]] <- ""
[18:01:29.164]                 }
[18:01:29.164]                 NAMES <- toupper(removed)
[18:01:29.164]                 for (kk in seq_along(NAMES)) {
[18:01:29.164]                   name <- removed[[kk]]
[18:01:29.164]                   NAME <- NAMES[[kk]]
[18:01:29.164]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.164]                     next
[18:01:29.164]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.164]                 }
[18:01:29.164]                 if (length(args) > 0) 
[18:01:29.164]                   base::do.call(base::Sys.setenv, args = args)
[18:01:29.164]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:29.164]             }
[18:01:29.164]             else {
[18:01:29.164]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:29.164]             }
[18:01:29.164]             {
[18:01:29.164]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:29.164]                   0L) {
[18:01:29.164]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:29.164]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:29.164]                   base::options(opts)
[18:01:29.164]                 }
[18:01:29.164]                 {
[18:01:29.164]                   {
[18:01:29.164]                     NULL
[18:01:29.164]                     RNGkind("Mersenne-Twister")
[18:01:29.164]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:01:29.164]                       inherits = FALSE)
[18:01:29.164]                   }
[18:01:29.164]                   options(future.plan = NULL)
[18:01:29.164]                   if (is.na(NA_character_)) 
[18:01:29.164]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.164]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:29.164]                   future::plan(list(function (..., envir = parent.frame()) 
[18:01:29.164]                   {
[18:01:29.164]                     future <- SequentialFuture(..., envir = envir)
[18:01:29.164]                     if (!future$lazy) 
[18:01:29.164]                       future <- run(future)
[18:01:29.164]                     invisible(future)
[18:01:29.164]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:29.164]                 }
[18:01:29.164]             }
[18:01:29.164]         }
[18:01:29.164]     })
[18:01:29.164]     if (TRUE) {
[18:01:29.164]         base::sink(type = "output", split = FALSE)
[18:01:29.164]         if (TRUE) {
[18:01:29.164]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:29.164]         }
[18:01:29.164]         else {
[18:01:29.164]             ...future.result["stdout"] <- base::list(NULL)
[18:01:29.164]         }
[18:01:29.164]         base::close(...future.stdout)
[18:01:29.164]         ...future.stdout <- NULL
[18:01:29.164]     }
[18:01:29.164]     ...future.result$conditions <- ...future.conditions
[18:01:29.164]     ...future.result$finished <- base::Sys.time()
[18:01:29.164]     ...future.result
[18:01:29.164] }
[18:01:29.168] assign_globals() ...
[18:01:29.168] List of 1
[18:01:29.168]  $ a: num 1
[18:01:29.168]  - attr(*, "where")=List of 1
[18:01:29.168]   ..$ a:<environment: R_EmptyEnv> 
[18:01:29.168]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[18:01:29.168]  - attr(*, "resolved")= logi FALSE
[18:01:29.168]  - attr(*, "total_size")= num 56
[18:01:29.168]  - attr(*, "already-done")= logi TRUE
[18:01:29.171] - copied 'a' to environment
[18:01:29.171] assign_globals() ... done
[18:01:29.172] plan(): Setting new future strategy stack:
[18:01:29.172] List of future strategies:
[18:01:29.172] 1. sequential:
[18:01:29.172]    - args: function (..., envir = parent.frame())
[18:01:29.172]    - tweaked: FALSE
[18:01:29.172]    - call: NULL
[18:01:29.172] plan(): nbrOfWorkers() = 1
[18:01:29.173] plan(): Setting new future strategy stack:
[18:01:29.173] List of future strategies:
[18:01:29.173] 1. sequential:
[18:01:29.173]    - args: function (..., envir = parent.frame())
[18:01:29.173]    - tweaked: FALSE
[18:01:29.173]    - call: plan(strategy)
[18:01:29.174] plan(): nbrOfWorkers() = 1
[18:01:29.174] SequentialFuture started (and completed)
[18:01:29.174] - Launch lazy future ... done
[18:01:29.175] run() for 'SequentialFuture' ... done
[18:01:29.175] getGlobalsAndPackages() ...
[18:01:29.175] Searching for globals...
[18:01:29.176] - globals found: [3] '{', '*', 'a'
[18:01:29.176] Searching for globals ... DONE
[18:01:29.176] Resolving globals: FALSE
[18:01:29.178] The total size of the 1 globals is 56 bytes (56 bytes)
[18:01:29.178] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[18:01:29.178] - globals: [1] 'a'
[18:01:29.179] 
[18:01:29.179] getGlobalsAndPackages() ... DONE
[18:01:29.179] run() for 'Future' ...
[18:01:29.179] - state: 'created'
[18:01:29.180] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:01:29.180] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:01:29.180] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:01:29.180]   - Field: 'label'
[18:01:29.180]   - Field: 'local'
[18:01:29.181]   - Field: 'owner'
[18:01:29.181]   - Field: 'envir'
[18:01:29.181]   - Field: 'packages'
[18:01:29.181]   - Field: 'gc'
[18:01:29.181]   - Field: 'conditions'
[18:01:29.182]   - Field: 'expr'
[18:01:29.182]   - Field: 'uuid'
[18:01:29.182]   - Field: 'seed'
[18:01:29.182]   - Field: 'version'
[18:01:29.182]   - Field: 'result'
[18:01:29.182]   - Field: 'asynchronous'
[18:01:29.183]   - Field: 'calls'
[18:01:29.183]   - Field: 'globals'
[18:01:29.183]   - Field: 'stdout'
[18:01:29.183]   - Field: 'earlySignal'
[18:01:29.183]   - Field: 'lazy'
[18:01:29.183]   - Field: 'state'
[18:01:29.184] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:01:29.184] - Launch lazy future ...
[18:01:29.184] Packages needed by the future expression (n = 0): <none>
[18:01:29.184] Packages needed by future strategies (n = 0): <none>
[18:01:29.185] {
[18:01:29.185]     {
[18:01:29.185]         {
[18:01:29.185]             ...future.startTime <- base::Sys.time()
[18:01:29.185]             {
[18:01:29.185]                 {
[18:01:29.185]                   {
[18:01:29.185]                     base::local({
[18:01:29.185]                       has_future <- base::requireNamespace("future", 
[18:01:29.185]                         quietly = TRUE)
[18:01:29.185]                       if (has_future) {
[18:01:29.185]                         ns <- base::getNamespace("future")
[18:01:29.185]                         version <- ns[[".package"]][["version"]]
[18:01:29.185]                         if (is.null(version)) 
[18:01:29.185]                           version <- utils::packageVersion("future")
[18:01:29.185]                       }
[18:01:29.185]                       else {
[18:01:29.185]                         version <- NULL
[18:01:29.185]                       }
[18:01:29.185]                       if (!has_future || version < "1.8.0") {
[18:01:29.185]                         info <- base::c(r_version = base::gsub("R version ", 
[18:01:29.185]                           "", base::R.version$version.string), 
[18:01:29.185]                           platform = base::sprintf("%s (%s-bit)", 
[18:01:29.185]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:29.185]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:29.185]                             "release", "version")], collapse = " "), 
[18:01:29.185]                           hostname = base::Sys.info()[["nodename"]])
[18:01:29.185]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:01:29.185]                           info)
[18:01:29.185]                         info <- base::paste(info, collapse = "; ")
[18:01:29.185]                         if (!has_future) {
[18:01:29.185]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:29.185]                             info)
[18:01:29.185]                         }
[18:01:29.185]                         else {
[18:01:29.185]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:29.185]                             info, version)
[18:01:29.185]                         }
[18:01:29.185]                         base::stop(msg)
[18:01:29.185]                       }
[18:01:29.185]                     })
[18:01:29.185]                   }
[18:01:29.185]                   options(future.plan = NULL)
[18:01:29.185]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.185]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:29.185]                 }
[18:01:29.185]                 ...future.workdir <- getwd()
[18:01:29.185]             }
[18:01:29.185]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:29.185]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:29.185]         }
[18:01:29.185]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:29.185]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:29.185]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:29.185]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:29.185]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:29.185]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:29.185]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:29.185]             base::names(...future.oldOptions))
[18:01:29.185]     }
[18:01:29.185]     if (FALSE) {
[18:01:29.185]     }
[18:01:29.185]     else {
[18:01:29.185]         if (TRUE) {
[18:01:29.185]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:29.185]                 open = "w")
[18:01:29.185]         }
[18:01:29.185]         else {
[18:01:29.185]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:29.185]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:29.185]         }
[18:01:29.185]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:29.185]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:29.185]             base::sink(type = "output", split = FALSE)
[18:01:29.185]             base::close(...future.stdout)
[18:01:29.185]         }, add = TRUE)
[18:01:29.185]     }
[18:01:29.185]     ...future.frame <- base::sys.nframe()
[18:01:29.185]     ...future.conditions <- base::list()
[18:01:29.185]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:29.185]     if (FALSE) {
[18:01:29.185]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:29.185]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:29.185]     }
[18:01:29.185]     ...future.result <- base::tryCatch({
[18:01:29.185]         base::withCallingHandlers({
[18:01:29.185]             ...future.value <- base::withVisible(base::local({
[18:01:29.185]                 2 * a
[18:01:29.185]             }))
[18:01:29.185]             future::FutureResult(value = ...future.value$value, 
[18:01:29.185]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.185]                   ...future.rng), globalenv = if (FALSE) 
[18:01:29.185]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:29.185]                     ...future.globalenv.names))
[18:01:29.185]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:29.185]         }, condition = base::local({
[18:01:29.185]             c <- base::c
[18:01:29.185]             inherits <- base::inherits
[18:01:29.185]             invokeRestart <- base::invokeRestart
[18:01:29.185]             length <- base::length
[18:01:29.185]             list <- base::list
[18:01:29.185]             seq.int <- base::seq.int
[18:01:29.185]             signalCondition <- base::signalCondition
[18:01:29.185]             sys.calls <- base::sys.calls
[18:01:29.185]             `[[` <- base::`[[`
[18:01:29.185]             `+` <- base::`+`
[18:01:29.185]             `<<-` <- base::`<<-`
[18:01:29.185]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:29.185]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:29.185]                   3L)]
[18:01:29.185]             }
[18:01:29.185]             function(cond) {
[18:01:29.185]                 is_error <- inherits(cond, "error")
[18:01:29.185]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:29.185]                   NULL)
[18:01:29.185]                 if (is_error) {
[18:01:29.185]                   sessionInformation <- function() {
[18:01:29.185]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:29.185]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:29.185]                       search = base::search(), system = base::Sys.info())
[18:01:29.185]                   }
[18:01:29.185]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.185]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:29.185]                     cond$call), session = sessionInformation(), 
[18:01:29.185]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:29.185]                   signalCondition(cond)
[18:01:29.185]                 }
[18:01:29.185]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:29.185]                 "immediateCondition"))) {
[18:01:29.185]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:29.185]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.185]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:29.185]                   if (TRUE && !signal) {
[18:01:29.185]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.185]                     {
[18:01:29.185]                       inherits <- base::inherits
[18:01:29.185]                       invokeRestart <- base::invokeRestart
[18:01:29.185]                       is.null <- base::is.null
[18:01:29.185]                       muffled <- FALSE
[18:01:29.185]                       if (inherits(cond, "message")) {
[18:01:29.185]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.185]                         if (muffled) 
[18:01:29.185]                           invokeRestart("muffleMessage")
[18:01:29.185]                       }
[18:01:29.185]                       else if (inherits(cond, "warning")) {
[18:01:29.185]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.185]                         if (muffled) 
[18:01:29.185]                           invokeRestart("muffleWarning")
[18:01:29.185]                       }
[18:01:29.185]                       else if (inherits(cond, "condition")) {
[18:01:29.185]                         if (!is.null(pattern)) {
[18:01:29.185]                           computeRestarts <- base::computeRestarts
[18:01:29.185]                           grepl <- base::grepl
[18:01:29.185]                           restarts <- computeRestarts(cond)
[18:01:29.185]                           for (restart in restarts) {
[18:01:29.185]                             name <- restart$name
[18:01:29.185]                             if (is.null(name)) 
[18:01:29.185]                               next
[18:01:29.185]                             if (!grepl(pattern, name)) 
[18:01:29.185]                               next
[18:01:29.185]                             invokeRestart(restart)
[18:01:29.185]                             muffled <- TRUE
[18:01:29.185]                             break
[18:01:29.185]                           }
[18:01:29.185]                         }
[18:01:29.185]                       }
[18:01:29.185]                       invisible(muffled)
[18:01:29.185]                     }
[18:01:29.185]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.185]                   }
[18:01:29.185]                 }
[18:01:29.185]                 else {
[18:01:29.185]                   if (TRUE) {
[18:01:29.185]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.185]                     {
[18:01:29.185]                       inherits <- base::inherits
[18:01:29.185]                       invokeRestart <- base::invokeRestart
[18:01:29.185]                       is.null <- base::is.null
[18:01:29.185]                       muffled <- FALSE
[18:01:29.185]                       if (inherits(cond, "message")) {
[18:01:29.185]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.185]                         if (muffled) 
[18:01:29.185]                           invokeRestart("muffleMessage")
[18:01:29.185]                       }
[18:01:29.185]                       else if (inherits(cond, "warning")) {
[18:01:29.185]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.185]                         if (muffled) 
[18:01:29.185]                           invokeRestart("muffleWarning")
[18:01:29.185]                       }
[18:01:29.185]                       else if (inherits(cond, "condition")) {
[18:01:29.185]                         if (!is.null(pattern)) {
[18:01:29.185]                           computeRestarts <- base::computeRestarts
[18:01:29.185]                           grepl <- base::grepl
[18:01:29.185]                           restarts <- computeRestarts(cond)
[18:01:29.185]                           for (restart in restarts) {
[18:01:29.185]                             name <- restart$name
[18:01:29.185]                             if (is.null(name)) 
[18:01:29.185]                               next
[18:01:29.185]                             if (!grepl(pattern, name)) 
[18:01:29.185]                               next
[18:01:29.185]                             invokeRestart(restart)
[18:01:29.185]                             muffled <- TRUE
[18:01:29.185]                             break
[18:01:29.185]                           }
[18:01:29.185]                         }
[18:01:29.185]                       }
[18:01:29.185]                       invisible(muffled)
[18:01:29.185]                     }
[18:01:29.185]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.185]                   }
[18:01:29.185]                 }
[18:01:29.185]             }
[18:01:29.185]         }))
[18:01:29.185]     }, error = function(ex) {
[18:01:29.185]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:29.185]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.185]                 ...future.rng), started = ...future.startTime, 
[18:01:29.185]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:29.185]             version = "1.8"), class = "FutureResult")
[18:01:29.185]     }, finally = {
[18:01:29.185]         if (!identical(...future.workdir, getwd())) 
[18:01:29.185]             setwd(...future.workdir)
[18:01:29.185]         {
[18:01:29.185]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:29.185]                 ...future.oldOptions$nwarnings <- NULL
[18:01:29.185]             }
[18:01:29.185]             base::options(...future.oldOptions)
[18:01:29.185]             if (.Platform$OS.type == "windows") {
[18:01:29.185]                 old_names <- names(...future.oldEnvVars)
[18:01:29.185]                 envs <- base::Sys.getenv()
[18:01:29.185]                 names <- names(envs)
[18:01:29.185]                 common <- intersect(names, old_names)
[18:01:29.185]                 added <- setdiff(names, old_names)
[18:01:29.185]                 removed <- setdiff(old_names, names)
[18:01:29.185]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:29.185]                   envs[common]]
[18:01:29.185]                 NAMES <- toupper(changed)
[18:01:29.185]                 args <- list()
[18:01:29.185]                 for (kk in seq_along(NAMES)) {
[18:01:29.185]                   name <- changed[[kk]]
[18:01:29.185]                   NAME <- NAMES[[kk]]
[18:01:29.185]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.185]                     next
[18:01:29.185]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.185]                 }
[18:01:29.185]                 NAMES <- toupper(added)
[18:01:29.185]                 for (kk in seq_along(NAMES)) {
[18:01:29.185]                   name <- added[[kk]]
[18:01:29.185]                   NAME <- NAMES[[kk]]
[18:01:29.185]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.185]                     next
[18:01:29.185]                   args[[name]] <- ""
[18:01:29.185]                 }
[18:01:29.185]                 NAMES <- toupper(removed)
[18:01:29.185]                 for (kk in seq_along(NAMES)) {
[18:01:29.185]                   name <- removed[[kk]]
[18:01:29.185]                   NAME <- NAMES[[kk]]
[18:01:29.185]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.185]                     next
[18:01:29.185]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.185]                 }
[18:01:29.185]                 if (length(args) > 0) 
[18:01:29.185]                   base::do.call(base::Sys.setenv, args = args)
[18:01:29.185]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:29.185]             }
[18:01:29.185]             else {
[18:01:29.185]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:29.185]             }
[18:01:29.185]             {
[18:01:29.185]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:29.185]                   0L) {
[18:01:29.185]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:29.185]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:29.185]                   base::options(opts)
[18:01:29.185]                 }
[18:01:29.185]                 {
[18:01:29.185]                   {
[18:01:29.185]                     NULL
[18:01:29.185]                     RNGkind("Mersenne-Twister")
[18:01:29.185]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:01:29.185]                       inherits = FALSE)
[18:01:29.185]                   }
[18:01:29.185]                   options(future.plan = NULL)
[18:01:29.185]                   if (is.na(NA_character_)) 
[18:01:29.185]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.185]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:29.185]                   future::plan(list(function (..., envir = parent.frame()) 
[18:01:29.185]                   {
[18:01:29.185]                     future <- SequentialFuture(..., envir = envir)
[18:01:29.185]                     if (!future$lazy) 
[18:01:29.185]                       future <- run(future)
[18:01:29.185]                     invisible(future)
[18:01:29.185]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:29.185]                 }
[18:01:29.185]             }
[18:01:29.185]         }
[18:01:29.185]     })
[18:01:29.185]     if (TRUE) {
[18:01:29.185]         base::sink(type = "output", split = FALSE)
[18:01:29.185]         if (TRUE) {
[18:01:29.185]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:29.185]         }
[18:01:29.185]         else {
[18:01:29.185]             ...future.result["stdout"] <- base::list(NULL)
[18:01:29.185]         }
[18:01:29.185]         base::close(...future.stdout)
[18:01:29.185]         ...future.stdout <- NULL
[18:01:29.185]     }
[18:01:29.185]     ...future.result$conditions <- ...future.conditions
[18:01:29.185]     ...future.result$finished <- base::Sys.time()
[18:01:29.185]     ...future.result
[18:01:29.185] }
[18:01:29.189] assign_globals() ...
[18:01:29.189] List of 1
[18:01:29.189]  $ a: num 1
[18:01:29.189]  - attr(*, "where")=List of 1
[18:01:29.189]   ..$ a:<environment: R_EmptyEnv> 
[18:01:29.189]  - attr(*, "class")= chr [1:3] "FutureGlobals" "Globals" "list"
[18:01:29.189]  - attr(*, "resolved")= logi FALSE
[18:01:29.189]  - attr(*, "total_size")= num 56
[18:01:29.189]  - attr(*, "already-done")= logi TRUE
[18:01:29.192] - copied 'a' to environment
[18:01:29.192] assign_globals() ... done
[18:01:29.192] plan(): Setting new future strategy stack:
[18:01:29.192] List of future strategies:
[18:01:29.192] 1. sequential:
[18:01:29.192]    - args: function (..., envir = parent.frame())
[18:01:29.192]    - tweaked: FALSE
[18:01:29.192]    - call: NULL
[18:01:29.193] plan(): nbrOfWorkers() = 1
[18:01:29.194] plan(): Setting new future strategy stack:
[18:01:29.194] List of future strategies:
[18:01:29.194] 1. sequential:
[18:01:29.194]    - args: function (..., envir = parent.frame())
[18:01:29.194]    - tweaked: FALSE
[18:01:29.194]    - call: plan(strategy)
[18:01:29.195] plan(): nbrOfWorkers() = 1
[18:01:29.195] SequentialFuture started (and completed)
[18:01:29.195] - Launch lazy future ... done
[18:01:29.195] run() for 'SequentialFuture' ... done
*** futureAssign() with 'sequential' futures ... DONE
Testing with 1 cores ... DONE
Testing with 2 cores ...
*** futureAssign() with 'multisession' futures ...
[18:01:29.201] plan(): Setting new future strategy stack:
[18:01:29.202] List of future strategies:
[18:01:29.202] 1. multisession:
[18:01:29.202]    - args: function (..., workers = availableCores(), lazy = FALSE, rscript_libs = .libPaths(), envir = parent.frame())
[18:01:29.202]    - tweaked: FALSE
[18:01:29.202]    - call: plan(strategy)
[18:01:29.202] plan(): plan_init() of 'multisession', 'cluster', 'multiprocess', 'future', 'function' ...
[18:01:29.202] multisession:
[18:01:29.202] - args: function (..., workers = availableCores(), lazy = FALSE, rscript_libs = .libPaths(), envir = parent.frame())
[18:01:29.202] - tweaked: FALSE
[18:01:29.202] - call: plan(strategy)
[18:01:29.207] getGlobalsAndPackages() ...
[18:01:29.207] Not searching for globals
[18:01:29.207] - globals: [0] <none>
[18:01:29.207] getGlobalsAndPackages() ... DONE
[18:01:29.208] [local output] makeClusterPSOCK() ...
[18:01:29.238] [local output] Workers: [n = 2] 'localhost', 'localhost'
[18:01:29.245] [local output] Base port: 30848
[18:01:29.245] [local output] Getting setup options for 2 cluster nodes ...
[18:01:29.245] [local output]  - Node 1 of 2 ...
[18:01:29.245] [local output] localMachine=TRUE => revtunnel=FALSE

[18:01:29.247] Testing if worker's PID can be inferred: '"D:/RCompile/recent/R/bin/x64/Rscript" -e "try(suppressWarnings(cat(Sys.getpid(),file=\"D:/temp/RtmpwbHUUM/worker.rank=1.parallelly.parent=165640.287082fda3bb8.pid\")), silent = TRUE)" -e "file.exists(\"D:/temp/RtmpwbHUUM/worker.rank=1.parallelly.parent=165640.287082fda3bb8.pid\")"'
[18:01:29.687] - Possible to infer worker's PID: TRUE
[18:01:29.688] [local output] Rscript port: 30848

[18:01:29.688] [local output]  - Node 2 of 2 ...
[18:01:29.689] [local output] localMachine=TRUE => revtunnel=FALSE

[18:01:29.690] [local output] Rscript port: 30848

[18:01:29.690] [local output] Getting setup options for 2 cluster nodes ... done
[18:01:29.691] [local output]  - Parallel setup requested for some PSOCK nodes
[18:01:29.691] [local output] Setting up PSOCK nodes in parallel
[18:01:29.692] List of 36
[18:01:29.692]  $ worker          : chr "localhost"
[18:01:29.692]   ..- attr(*, "localhost")= logi TRUE
[18:01:29.692]  $ master          : chr "localhost"
[18:01:29.692]  $ port            : int 30848
[18:01:29.692]  $ connectTimeout  : num 120
[18:01:29.692]  $ timeout         : num 120
[18:01:29.692]  $ rscript         : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\""
[18:01:29.692]  $ homogeneous     : logi TRUE
[18:01:29.692]  $ rscript_args    : chr "--default-packages=datasets,utils,grDevices,graphics,stats,methods -e \"#label=futureAssign.R:165640:CRANWIN3:C"| __truncated__
[18:01:29.692]  $ rscript_envs    : NULL
[18:01:29.692]  $ rscript_libs    : chr [1:2] "D:/temp/Rtmp67Lu9b/RLIBS_19fe819742e2c" "D:/RCompile/recent/R/library"
[18:01:29.692]  $ rscript_startup : NULL
[18:01:29.692]  $ rscript_sh      : chr "cmd"
[18:01:29.692]  $ default_packages: chr [1:6] "datasets" "utils" "grDevices" "graphics" ...
[18:01:29.692]  $ methods         : logi TRUE
[18:01:29.692]  $ socketOptions   : chr "no-delay"
[18:01:29.692]  $ useXDR          : logi FALSE
[18:01:29.692]  $ outfile         : chr "/dev/null"
[18:01:29.692]  $ renice          : int NA
[18:01:29.692]  $ rshcmd          : NULL
[18:01:29.692]  $ user            : chr(0) 
[18:01:29.692]  $ revtunnel       : logi FALSE
[18:01:29.692]  $ rshlogfile      : NULL
[18:01:29.692]  $ rshopts         : chr(0) 
[18:01:29.692]  $ rank            : int 1
[18:01:29.692]  $ manual          : logi FALSE
[18:01:29.692]  $ dryrun          : logi FALSE
[18:01:29.692]  $ quiet           : logi FALSE
[18:01:29.692]  $ setup_strategy  : chr "parallel"
[18:01:29.692]  $ local_cmd       : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "| __truncated__
[18:01:29.692]  $ pidfile         : chr "D:/temp/RtmpwbHUUM/worker.rank=1.parallelly.parent=165640.287082fda3bb8.pid"
[18:01:29.692]  $ rshcmd_label    : NULL
[18:01:29.692]  $ rsh_call        : NULL
[18:01:29.692]  $ cmd             : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "| __truncated__
[18:01:29.692]  $ localMachine    : logi TRUE
[18:01:29.692]  $ make_fcn        :function (worker = getOption2("parallelly.localhost.hostname", "localhost"), 
[18:01:29.692]     master = NULL, port, connectTimeout = getOption2("parallelly.makeNodePSOCK.connectTimeout", 
[18:01:29.692]         2 * 60), timeout = getOption2("parallelly.makeNodePSOCK.timeout", 
[18:01:29.692]         30 * 24 * 60 * 60), rscript = NULL, homogeneous = NULL, rscript_args = NULL, 
[18:01:29.692]     rscript_envs = NULL, rscript_libs = NULL, rscript_startup = NULL, rscript_sh = c("auto", 
[18:01:29.692]         "cmd", "sh"), default_packages = c("datasets", "utils", "grDevices", 
[18:01:29.692]         "graphics", "stats", if (methods) "methods"), methods = TRUE, socketOptions = getOption2("parallelly.makeNodePSOCK.socketOptions", 
[18:01:29.692]         "no-delay"), useXDR = getOption2("parallelly.makeNodePSOCK.useXDR", 
[18:01:29.692]         FALSE), outfile = "/dev/null", renice = NA_integer_, rshcmd = getOption2("parallelly.makeNodePSOCK.rshcmd", 
[18:01:29.692]         NULL), user = NULL, revtunnel = NA, rshlogfile = NULL, rshopts = getOption2("parallelly.makeNodePSOCK.rshopts", 
[18:01:29.692]         NULL), rank = 1L, manual = FALSE, dryrun = FALSE, quiet = FALSE, 
[18:01:29.692]     setup_strategy = getOption2("parallelly.makeNodePSOCK.setup_strategy", 
[18:01:29.692]         "parallel"), action = c("launch", "options"), verbose = FALSE)  
[18:01:29.692]  $ arguments       :List of 28
[18:01:29.692]   ..$ worker          : chr "localhost"
[18:01:29.692]   ..$ master          : NULL
[18:01:29.692]   ..$ port            : int 30848
[18:01:29.692]   ..$ connectTimeout  : num 120
[18:01:29.692]   ..$ timeout         : num 120
[18:01:29.692]   ..$ rscript         : NULL
[18:01:29.692]   ..$ homogeneous     : NULL
[18:01:29.692]   ..$ rscript_args    : NULL
[18:01:29.692]   ..$ rscript_envs    : NULL
[18:01:29.692]   ..$ rscript_libs    : chr [1:2] "D:/temp/Rtmp67Lu9b/RLIBS_19fe819742e2c" "D:/RCompile/recent/R/library"
[18:01:29.692]   ..$ rscript_startup : NULL
[18:01:29.692]   ..$ rscript_sh      : chr [1:3] "auto" "cmd" "sh"
[18:01:29.692]   ..$ default_packages: chr [1:6] "datasets" "utils" "grDevices" "graphics" ...
[18:01:29.692]   ..$ methods         : logi TRUE
[18:01:29.692]   ..$ socketOptions   : chr "no-delay"
[18:01:29.692]   ..$ useXDR          : logi FALSE
[18:01:29.692]   ..$ outfile         : chr "/dev/null"
[18:01:29.692]   ..$ renice          : int NA
[18:01:29.692]   ..$ rshcmd          : NULL
[18:01:29.692]   ..$ user            : NULL
[18:01:29.692]   ..$ revtunnel       : logi NA
[18:01:29.692]   ..$ rshlogfile      : NULL
[18:01:29.692]   ..$ rshopts         : NULL
[18:01:29.692]   ..$ rank            : int 1
[18:01:29.692]   ..$ manual          : logi FALSE
[18:01:29.692]   ..$ dryrun          : logi FALSE
[18:01:29.692]   ..$ quiet           : logi FALSE
[18:01:29.692]   ..$ setup_strategy  : chr "parallel"
[18:01:29.692]  - attr(*, "class")= chr [1:2] "makeNodePSOCKOptions" "makeNodeOptions"
[18:01:29.713] [local output] System call to launch all workers:
[18:01:29.713] [local output] "D:/RCompile/recent/R/bin/x64/Rscript" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "#label=futureAssign.R:165640:CRANWIN3:CRAN" -e "try(suppressWarnings(cat(Sys.getpid(),file=\"D:/temp/RtmpwbHUUM/worker.rank=1.parallelly.parent=165640.287082fda3bb8.pid\")), silent = TRUE)" -e "options(socketOptions = \"no-delay\")" -e ".libPaths(c(\"D:/temp/Rtmp67Lu9b/RLIBS_19fe819742e2c\",\"D:/RCompile/recent/R/library\"))" -e "workRSOCK <- tryCatch(parallel:::.workRSOCK, error=function(e) parallel:::.slaveRSOCK); workRSOCK()" MASTER=localhost PORT=30848 OUT=/dev/null TIMEOUT=120 XDR=FALSE SETUPTIMEOUT=120 SETUPSTRATEGY=parallel
[18:01:29.713] [local output] Starting PSOCK main server
[18:01:29.723] [local output] Workers launched
[18:01:29.724] [local output] Waiting for workers to connect back
[18:01:29.724]  - [local output] 0 workers out of 2 ready
[18:01:29.899]  - [local output] 0 workers out of 2 ready
[18:01:29.900]  - [local output] 1 workers out of 2 ready
[18:01:29.905]  - [local output] 1 workers out of 2 ready
[18:01:29.906]  - [local output] 2 workers out of 2 ready
[18:01:29.906] [local output] Launching of workers completed
[18:01:29.906] [local output] Collecting session information from workers
[18:01:29.907] [local output]  - Worker #1 of 2
[18:01:29.908] [local output]  - Worker #2 of 2
[18:01:29.909] [local output] makeClusterPSOCK() ... done
[18:01:29.922] Packages needed by the future expression (n = 0): <none>
[18:01:29.922] Packages needed by future strategies (n = 0): <none>
[18:01:29.923] {
[18:01:29.923]     {
[18:01:29.923]         {
[18:01:29.923]             ...future.startTime <- base::Sys.time()
[18:01:29.923]             {
[18:01:29.923]                 {
[18:01:29.923]                   {
[18:01:29.923]                     {
[18:01:29.923]                       base::local({
[18:01:29.923]                         has_future <- base::requireNamespace("future", 
[18:01:29.923]                           quietly = TRUE)
[18:01:29.923]                         if (has_future) {
[18:01:29.923]                           ns <- base::getNamespace("future")
[18:01:29.923]                           version <- ns[[".package"]][["version"]]
[18:01:29.923]                           if (is.null(version)) 
[18:01:29.923]                             version <- utils::packageVersion("future")
[18:01:29.923]                         }
[18:01:29.923]                         else {
[18:01:29.923]                           version <- NULL
[18:01:29.923]                         }
[18:01:29.923]                         if (!has_future || version < "1.8.0") {
[18:01:29.923]                           info <- base::c(r_version = base::gsub("R version ", 
[18:01:29.923]                             "", base::R.version$version.string), 
[18:01:29.923]                             platform = base::sprintf("%s (%s-bit)", 
[18:01:29.923]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:29.923]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:29.923]                               "release", "version")], collapse = " "), 
[18:01:29.923]                             hostname = base::Sys.info()[["nodename"]])
[18:01:29.923]                           info <- base::sprintf("%s: %s", base::names(info), 
[18:01:29.923]                             info)
[18:01:29.923]                           info <- base::paste(info, collapse = "; ")
[18:01:29.923]                           if (!has_future) {
[18:01:29.923]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:29.923]                               info)
[18:01:29.923]                           }
[18:01:29.923]                           else {
[18:01:29.923]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:29.923]                               info, version)
[18:01:29.923]                           }
[18:01:29.923]                           base::stop(msg)
[18:01:29.923]                         }
[18:01:29.923]                       })
[18:01:29.923]                     }
[18:01:29.923]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[18:01:29.923]                     base::options(mc.cores = 1L)
[18:01:29.923]                   }
[18:01:29.923]                   options(future.plan = NULL)
[18:01:29.923]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.923]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:29.923]                 }
[18:01:29.923]                 ...future.workdir <- getwd()
[18:01:29.923]             }
[18:01:29.923]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:29.923]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:29.923]         }
[18:01:29.923]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:29.923]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:29.923]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:29.923]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:29.923]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:29.923]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:29.923]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:29.923]             base::names(...future.oldOptions))
[18:01:29.923]     }
[18:01:29.923]     if (FALSE) {
[18:01:29.923]     }
[18:01:29.923]     else {
[18:01:29.923]         if (TRUE) {
[18:01:29.923]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:29.923]                 open = "w")
[18:01:29.923]         }
[18:01:29.923]         else {
[18:01:29.923]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:29.923]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:29.923]         }
[18:01:29.923]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:29.923]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:29.923]             base::sink(type = "output", split = FALSE)
[18:01:29.923]             base::close(...future.stdout)
[18:01:29.923]         }, add = TRUE)
[18:01:29.923]     }
[18:01:29.923]     ...future.frame <- base::sys.nframe()
[18:01:29.923]     ...future.conditions <- base::list()
[18:01:29.923]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:29.923]     if (FALSE) {
[18:01:29.923]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:29.923]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:29.923]     }
[18:01:29.923]     ...future.result <- base::tryCatch({
[18:01:29.923]         base::withCallingHandlers({
[18:01:29.923]             ...future.value <- base::withVisible(base::local({
[18:01:29.923]                 ...future.makeSendCondition <- local({
[18:01:29.923]                   sendCondition <- NULL
[18:01:29.923]                   function(frame = 1L) {
[18:01:29.923]                     if (is.function(sendCondition)) 
[18:01:29.923]                       return(sendCondition)
[18:01:29.923]                     ns <- getNamespace("parallel")
[18:01:29.923]                     if (exists("sendData", mode = "function", 
[18:01:29.923]                       envir = ns)) {
[18:01:29.923]                       parallel_sendData <- get("sendData", mode = "function", 
[18:01:29.923]                         envir = ns)
[18:01:29.923]                       envir <- sys.frame(frame)
[18:01:29.923]                       master <- NULL
[18:01:29.923]                       while (!identical(envir, .GlobalEnv) && 
[18:01:29.923]                         !identical(envir, emptyenv())) {
[18:01:29.923]                         if (exists("master", mode = "list", envir = envir, 
[18:01:29.923]                           inherits = FALSE)) {
[18:01:29.923]                           master <- get("master", mode = "list", 
[18:01:29.923]                             envir = envir, inherits = FALSE)
[18:01:29.923]                           if (inherits(master, c("SOCKnode", 
[18:01:29.923]                             "SOCK0node"))) {
[18:01:29.923]                             sendCondition <<- function(cond) {
[18:01:29.923]                               data <- list(type = "VALUE", value = cond, 
[18:01:29.923]                                 success = TRUE)
[18:01:29.923]                               parallel_sendData(master, data)
[18:01:29.923]                             }
[18:01:29.923]                             return(sendCondition)
[18:01:29.923]                           }
[18:01:29.923]                         }
[18:01:29.923]                         frame <- frame + 1L
[18:01:29.923]                         envir <- sys.frame(frame)
[18:01:29.923]                       }
[18:01:29.923]                     }
[18:01:29.923]                     sendCondition <<- function(cond) NULL
[18:01:29.923]                   }
[18:01:29.923]                 })
[18:01:29.923]                 withCallingHandlers({
[18:01:29.923]                   NA
[18:01:29.923]                 }, immediateCondition = function(cond) {
[18:01:29.923]                   sendCondition <- ...future.makeSendCondition()
[18:01:29.923]                   sendCondition(cond)
[18:01:29.923]                   muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.923]                   {
[18:01:29.923]                     inherits <- base::inherits
[18:01:29.923]                     invokeRestart <- base::invokeRestart
[18:01:29.923]                     is.null <- base::is.null
[18:01:29.923]                     muffled <- FALSE
[18:01:29.923]                     if (inherits(cond, "message")) {
[18:01:29.923]                       muffled <- grepl(pattern, "muffleMessage")
[18:01:29.923]                       if (muffled) 
[18:01:29.923]                         invokeRestart("muffleMessage")
[18:01:29.923]                     }
[18:01:29.923]                     else if (inherits(cond, "warning")) {
[18:01:29.923]                       muffled <- grepl(pattern, "muffleWarning")
[18:01:29.923]                       if (muffled) 
[18:01:29.923]                         invokeRestart("muffleWarning")
[18:01:29.923]                     }
[18:01:29.923]                     else if (inherits(cond, "condition")) {
[18:01:29.923]                       if (!is.null(pattern)) {
[18:01:29.923]                         computeRestarts <- base::computeRestarts
[18:01:29.923]                         grepl <- base::grepl
[18:01:29.923]                         restarts <- computeRestarts(cond)
[18:01:29.923]                         for (restart in restarts) {
[18:01:29.923]                           name <- restart$name
[18:01:29.923]                           if (is.null(name)) 
[18:01:29.923]                             next
[18:01:29.923]                           if (!grepl(pattern, name)) 
[18:01:29.923]                             next
[18:01:29.923]                           invokeRestart(restart)
[18:01:29.923]                           muffled <- TRUE
[18:01:29.923]                           break
[18:01:29.923]                         }
[18:01:29.923]                       }
[18:01:29.923]                     }
[18:01:29.923]                     invisible(muffled)
[18:01:29.923]                   }
[18:01:29.923]                   muffleCondition(cond)
[18:01:29.923]                 })
[18:01:29.923]             }))
[18:01:29.923]             future::FutureResult(value = ...future.value$value, 
[18:01:29.923]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.923]                   ...future.rng), globalenv = if (FALSE) 
[18:01:29.923]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:29.923]                     ...future.globalenv.names))
[18:01:29.923]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:29.923]         }, condition = base::local({
[18:01:29.923]             c <- base::c
[18:01:29.923]             inherits <- base::inherits
[18:01:29.923]             invokeRestart <- base::invokeRestart
[18:01:29.923]             length <- base::length
[18:01:29.923]             list <- base::list
[18:01:29.923]             seq.int <- base::seq.int
[18:01:29.923]             signalCondition <- base::signalCondition
[18:01:29.923]             sys.calls <- base::sys.calls
[18:01:29.923]             `[[` <- base::`[[`
[18:01:29.923]             `+` <- base::`+`
[18:01:29.923]             `<<-` <- base::`<<-`
[18:01:29.923]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:29.923]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:29.923]                   3L)]
[18:01:29.923]             }
[18:01:29.923]             function(cond) {
[18:01:29.923]                 is_error <- inherits(cond, "error")
[18:01:29.923]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:29.923]                   NULL)
[18:01:29.923]                 if (is_error) {
[18:01:29.923]                   sessionInformation <- function() {
[18:01:29.923]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:29.923]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:29.923]                       search = base::search(), system = base::Sys.info())
[18:01:29.923]                   }
[18:01:29.923]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.923]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:29.923]                     cond$call), session = sessionInformation(), 
[18:01:29.923]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:29.923]                   signalCondition(cond)
[18:01:29.923]                 }
[18:01:29.923]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:29.923]                 "immediateCondition"))) {
[18:01:29.923]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:29.923]                   ...future.conditions[[length(...future.conditions) + 
[18:01:29.923]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:29.923]                   if (TRUE && !signal) {
[18:01:29.923]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.923]                     {
[18:01:29.923]                       inherits <- base::inherits
[18:01:29.923]                       invokeRestart <- base::invokeRestart
[18:01:29.923]                       is.null <- base::is.null
[18:01:29.923]                       muffled <- FALSE
[18:01:29.923]                       if (inherits(cond, "message")) {
[18:01:29.923]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.923]                         if (muffled) 
[18:01:29.923]                           invokeRestart("muffleMessage")
[18:01:29.923]                       }
[18:01:29.923]                       else if (inherits(cond, "warning")) {
[18:01:29.923]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.923]                         if (muffled) 
[18:01:29.923]                           invokeRestart("muffleWarning")
[18:01:29.923]                       }
[18:01:29.923]                       else if (inherits(cond, "condition")) {
[18:01:29.923]                         if (!is.null(pattern)) {
[18:01:29.923]                           computeRestarts <- base::computeRestarts
[18:01:29.923]                           grepl <- base::grepl
[18:01:29.923]                           restarts <- computeRestarts(cond)
[18:01:29.923]                           for (restart in restarts) {
[18:01:29.923]                             name <- restart$name
[18:01:29.923]                             if (is.null(name)) 
[18:01:29.923]                               next
[18:01:29.923]                             if (!grepl(pattern, name)) 
[18:01:29.923]                               next
[18:01:29.923]                             invokeRestart(restart)
[18:01:29.923]                             muffled <- TRUE
[18:01:29.923]                             break
[18:01:29.923]                           }
[18:01:29.923]                         }
[18:01:29.923]                       }
[18:01:29.923]                       invisible(muffled)
[18:01:29.923]                     }
[18:01:29.923]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.923]                   }
[18:01:29.923]                 }
[18:01:29.923]                 else {
[18:01:29.923]                   if (TRUE) {
[18:01:29.923]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:29.923]                     {
[18:01:29.923]                       inherits <- base::inherits
[18:01:29.923]                       invokeRestart <- base::invokeRestart
[18:01:29.923]                       is.null <- base::is.null
[18:01:29.923]                       muffled <- FALSE
[18:01:29.923]                       if (inherits(cond, "message")) {
[18:01:29.923]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:29.923]                         if (muffled) 
[18:01:29.923]                           invokeRestart("muffleMessage")
[18:01:29.923]                       }
[18:01:29.923]                       else if (inherits(cond, "warning")) {
[18:01:29.923]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:29.923]                         if (muffled) 
[18:01:29.923]                           invokeRestart("muffleWarning")
[18:01:29.923]                       }
[18:01:29.923]                       else if (inherits(cond, "condition")) {
[18:01:29.923]                         if (!is.null(pattern)) {
[18:01:29.923]                           computeRestarts <- base::computeRestarts
[18:01:29.923]                           grepl <- base::grepl
[18:01:29.923]                           restarts <- computeRestarts(cond)
[18:01:29.923]                           for (restart in restarts) {
[18:01:29.923]                             name <- restart$name
[18:01:29.923]                             if (is.null(name)) 
[18:01:29.923]                               next
[18:01:29.923]                             if (!grepl(pattern, name)) 
[18:01:29.923]                               next
[18:01:29.923]                             invokeRestart(restart)
[18:01:29.923]                             muffled <- TRUE
[18:01:29.923]                             break
[18:01:29.923]                           }
[18:01:29.923]                         }
[18:01:29.923]                       }
[18:01:29.923]                       invisible(muffled)
[18:01:29.923]                     }
[18:01:29.923]                     muffleCondition(cond, pattern = "^muffle")
[18:01:29.923]                   }
[18:01:29.923]                 }
[18:01:29.923]             }
[18:01:29.923]         }))
[18:01:29.923]     }, error = function(ex) {
[18:01:29.923]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:29.923]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:29.923]                 ...future.rng), started = ...future.startTime, 
[18:01:29.923]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:29.923]             version = "1.8"), class = "FutureResult")
[18:01:29.923]     }, finally = {
[18:01:29.923]         if (!identical(...future.workdir, getwd())) 
[18:01:29.923]             setwd(...future.workdir)
[18:01:29.923]         {
[18:01:29.923]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:29.923]                 ...future.oldOptions$nwarnings <- NULL
[18:01:29.923]             }
[18:01:29.923]             base::options(...future.oldOptions)
[18:01:29.923]             if (.Platform$OS.type == "windows") {
[18:01:29.923]                 old_names <- names(...future.oldEnvVars)
[18:01:29.923]                 envs <- base::Sys.getenv()
[18:01:29.923]                 names <- names(envs)
[18:01:29.923]                 common <- intersect(names, old_names)
[18:01:29.923]                 added <- setdiff(names, old_names)
[18:01:29.923]                 removed <- setdiff(old_names, names)
[18:01:29.923]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:29.923]                   envs[common]]
[18:01:29.923]                 NAMES <- toupper(changed)
[18:01:29.923]                 args <- list()
[18:01:29.923]                 for (kk in seq_along(NAMES)) {
[18:01:29.923]                   name <- changed[[kk]]
[18:01:29.923]                   NAME <- NAMES[[kk]]
[18:01:29.923]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.923]                     next
[18:01:29.923]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.923]                 }
[18:01:29.923]                 NAMES <- toupper(added)
[18:01:29.923]                 for (kk in seq_along(NAMES)) {
[18:01:29.923]                   name <- added[[kk]]
[18:01:29.923]                   NAME <- NAMES[[kk]]
[18:01:29.923]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.923]                     next
[18:01:29.923]                   args[[name]] <- ""
[18:01:29.923]                 }
[18:01:29.923]                 NAMES <- toupper(removed)
[18:01:29.923]                 for (kk in seq_along(NAMES)) {
[18:01:29.923]                   name <- removed[[kk]]
[18:01:29.923]                   NAME <- NAMES[[kk]]
[18:01:29.923]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:29.923]                     next
[18:01:29.923]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:29.923]                 }
[18:01:29.923]                 if (length(args) > 0) 
[18:01:29.923]                   base::do.call(base::Sys.setenv, args = args)
[18:01:29.923]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:29.923]             }
[18:01:29.923]             else {
[18:01:29.923]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:29.923]             }
[18:01:29.923]             {
[18:01:29.923]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:29.923]                   0L) {
[18:01:29.923]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:29.923]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:29.923]                   base::options(opts)
[18:01:29.923]                 }
[18:01:29.923]                 {
[18:01:29.923]                   {
[18:01:29.923]                     base::options(mc.cores = ...future.mc.cores.old)
[18:01:29.923]                     NULL
[18:01:29.923]                   }
[18:01:29.923]                   options(future.plan = NULL)
[18:01:29.923]                   if (is.na(NA_character_)) 
[18:01:29.923]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:29.923]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:29.923]                   future::plan(list(function (..., workers = availableCores(), 
[18:01:29.923]                     lazy = FALSE, rscript_libs = .libPaths(), 
[18:01:29.923]                     envir = parent.frame()) 
[18:01:29.923]                   {
[18:01:29.923]                     if (is.function(workers)) 
[18:01:29.923]                       workers <- workers()
[18:01:29.923]                     workers <- structure(as.integer(workers), 
[18:01:29.923]                       class = class(workers))
[18:01:29.923]                     stop_if_not(length(workers) == 1, is.finite(workers), 
[18:01:29.923]                       workers >= 1)
[18:01:29.923]                     if (workers == 1L && !inherits(workers, "AsIs")) {
[18:01:29.923]                       return(sequential(..., lazy = TRUE, envir = envir))
[18:01:29.923]                     }
[18:01:29.923]                     future <- MultisessionFuture(..., workers = workers, 
[18:01:29.923]                       lazy = lazy, rscript_libs = rscript_libs, 
[18:01:29.923]                       envir = envir)
[18:01:29.923]                     if (!future$lazy) 
[18:01:29.923]                       future <- run(future)
[18:01:29.923]                     invisible(future)
[18:01:29.923]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:29.923]                 }
[18:01:29.923]             }
[18:01:29.923]         }
[18:01:29.923]     })
[18:01:29.923]     if (TRUE) {
[18:01:29.923]         base::sink(type = "output", split = FALSE)
[18:01:29.923]         if (TRUE) {
[18:01:29.923]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:29.923]         }
[18:01:29.923]         else {
[18:01:29.923]             ...future.result["stdout"] <- base::list(NULL)
[18:01:29.923]         }
[18:01:29.923]         base::close(...future.stdout)
[18:01:29.923]         ...future.stdout <- NULL
[18:01:29.923]     }
[18:01:29.923]     ...future.result$conditions <- ...future.conditions
[18:01:29.923]     ...future.result$finished <- base::Sys.time()
[18:01:29.923]     ...future.result
[18:01:29.923] }
[18:01:30.011] MultisessionFuture started
[18:01:30.011] result() for ClusterFuture ...
[18:01:30.012] receiveMessageFromWorker() for ClusterFuture ...
[18:01:30.012] - Validating connection of MultisessionFuture
[18:01:30.070] - received message: FutureResult
[18:01:30.070] - Received FutureResult
[18:01:30.073] - Erased future from FutureRegistry
[18:01:30.074] result() for ClusterFuture ...
[18:01:30.074] - result already collected: FutureResult
[18:01:30.074] result() for ClusterFuture ... done
[18:01:30.074] receiveMessageFromWorker() for ClusterFuture ... done
[18:01:30.074] result() for ClusterFuture ... done
[18:01:30.075] result() for ClusterFuture ...
[18:01:30.075] - result already collected: FutureResult
[18:01:30.075] result() for ClusterFuture ... done
[18:01:30.075] plan(): plan_init() of 'multisession', 'cluster', 'multiprocess', 'future', 'function' ... DONE
[18:01:30.078] plan(): nbrOfWorkers() = 2
[18:01:30.078] getGlobalsAndPackages() ...
[18:01:30.078] Searching for globals...
[18:01:30.079] - globals found: [1] '{'
[18:01:30.080] Searching for globals ... DONE
[18:01:30.080] Resolving globals: FALSE
[18:01:30.080] 
[18:01:30.080] 
[18:01:30.081] getGlobalsAndPackages() ... DONE
[18:01:30.081] run() for 'Future' ...
[18:01:30.081] - state: 'created'
[18:01:30.081] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[18:01:30.096] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[18:01:30.096] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[18:01:30.096]   - Field: 'node'
[18:01:30.096]   - Field: 'label'
[18:01:30.096]   - Field: 'local'
[18:01:30.097]   - Field: 'owner'
[18:01:30.097]   - Field: 'envir'
[18:01:30.097]   - Field: 'workers'
[18:01:30.097]   - Field: 'packages'
[18:01:30.097]   - Field: 'gc'
[18:01:30.098]   - Field: 'conditions'
[18:01:30.098]   - Field: 'persistent'
[18:01:30.098]   - Field: 'expr'
[18:01:30.098]   - Field: 'uuid'
[18:01:30.098]   - Field: 'seed'
[18:01:30.099]   - Field: 'version'
[18:01:30.099]   - Field: 'result'
[18:01:30.099]   - Field: 'asynchronous'
[18:01:30.099]   - Field: 'calls'
[18:01:30.099]   - Field: 'globals'
[18:01:30.100]   - Field: 'stdout'
[18:01:30.100]   - Field: 'earlySignal'
[18:01:30.100]   - Field: 'lazy'
[18:01:30.100]   - Field: 'state'
[18:01:30.100] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[18:01:30.101] - Launch lazy future ...
[18:01:30.101] Packages needed by the future expression (n = 0): <none>
[18:01:30.101] Packages needed by future strategies (n = 0): <none>
[18:01:30.102] {
[18:01:30.102]     {
[18:01:30.102]         {
[18:01:30.102]             ...future.startTime <- base::Sys.time()
[18:01:30.102]             {
[18:01:30.102]                 {
[18:01:30.102]                   {
[18:01:30.102]                     {
[18:01:30.102]                       base::local({
[18:01:30.102]                         has_future <- base::requireNamespace("future", 
[18:01:30.102]                           quietly = TRUE)
[18:01:30.102]                         if (has_future) {
[18:01:30.102]                           ns <- base::getNamespace("future")
[18:01:30.102]                           version <- ns[[".package"]][["version"]]
[18:01:30.102]                           if (is.null(version)) 
[18:01:30.102]                             version <- utils::packageVersion("future")
[18:01:30.102]                         }
[18:01:30.102]                         else {
[18:01:30.102]                           version <- NULL
[18:01:30.102]                         }
[18:01:30.102]                         if (!has_future || version < "1.8.0") {
[18:01:30.102]                           info <- base::c(r_version = base::gsub("R version ", 
[18:01:30.102]                             "", base::R.version$version.string), 
[18:01:30.102]                             platform = base::sprintf("%s (%s-bit)", 
[18:01:30.102]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:30.102]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:30.102]                               "release", "version")], collapse = " "), 
[18:01:30.102]                             hostname = base::Sys.info()[["nodename"]])
[18:01:30.102]                           info <- base::sprintf("%s: %s", base::names(info), 
[18:01:30.102]                             info)
[18:01:30.102]                           info <- base::paste(info, collapse = "; ")
[18:01:30.102]                           if (!has_future) {
[18:01:30.102]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:30.102]                               info)
[18:01:30.102]                           }
[18:01:30.102]                           else {
[18:01:30.102]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:30.102]                               info, version)
[18:01:30.102]                           }
[18:01:30.102]                           base::stop(msg)
[18:01:30.102]                         }
[18:01:30.102]                       })
[18:01:30.102]                     }
[18:01:30.102]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[18:01:30.102]                     base::options(mc.cores = 1L)
[18:01:30.102]                   }
[18:01:30.102]                   options(future.plan = NULL)
[18:01:30.102]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.102]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:30.102]                 }
[18:01:30.102]                 ...future.workdir <- getwd()
[18:01:30.102]             }
[18:01:30.102]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:30.102]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:30.102]         }
[18:01:30.102]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:30.102]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:30.102]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:30.102]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:30.102]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:30.102]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:30.102]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:30.102]             base::names(...future.oldOptions))
[18:01:30.102]     }
[18:01:30.102]     if (FALSE) {
[18:01:30.102]     }
[18:01:30.102]     else {
[18:01:30.102]         if (TRUE) {
[18:01:30.102]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:30.102]                 open = "w")
[18:01:30.102]         }
[18:01:30.102]         else {
[18:01:30.102]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:30.102]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:30.102]         }
[18:01:30.102]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:30.102]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:30.102]             base::sink(type = "output", split = FALSE)
[18:01:30.102]             base::close(...future.stdout)
[18:01:30.102]         }, add = TRUE)
[18:01:30.102]     }
[18:01:30.102]     ...future.frame <- base::sys.nframe()
[18:01:30.102]     ...future.conditions <- base::list()
[18:01:30.102]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:30.102]     if (FALSE) {
[18:01:30.102]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:30.102]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:30.102]     }
[18:01:30.102]     ...future.result <- base::tryCatch({
[18:01:30.102]         base::withCallingHandlers({
[18:01:30.102]             ...future.value <- base::withVisible(base::local({
[18:01:30.102]                 ...future.makeSendCondition <- local({
[18:01:30.102]                   sendCondition <- NULL
[18:01:30.102]                   function(frame = 1L) {
[18:01:30.102]                     if (is.function(sendCondition)) 
[18:01:30.102]                       return(sendCondition)
[18:01:30.102]                     ns <- getNamespace("parallel")
[18:01:30.102]                     if (exists("sendData", mode = "function", 
[18:01:30.102]                       envir = ns)) {
[18:01:30.102]                       parallel_sendData <- get("sendData", mode = "function", 
[18:01:30.102]                         envir = ns)
[18:01:30.102]                       envir <- sys.frame(frame)
[18:01:30.102]                       master <- NULL
[18:01:30.102]                       while (!identical(envir, .GlobalEnv) && 
[18:01:30.102]                         !identical(envir, emptyenv())) {
[18:01:30.102]                         if (exists("master", mode = "list", envir = envir, 
[18:01:30.102]                           inherits = FALSE)) {
[18:01:30.102]                           master <- get("master", mode = "list", 
[18:01:30.102]                             envir = envir, inherits = FALSE)
[18:01:30.102]                           if (inherits(master, c("SOCKnode", 
[18:01:30.102]                             "SOCK0node"))) {
[18:01:30.102]                             sendCondition <<- function(cond) {
[18:01:30.102]                               data <- list(type = "VALUE", value = cond, 
[18:01:30.102]                                 success = TRUE)
[18:01:30.102]                               parallel_sendData(master, data)
[18:01:30.102]                             }
[18:01:30.102]                             return(sendCondition)
[18:01:30.102]                           }
[18:01:30.102]                         }
[18:01:30.102]                         frame <- frame + 1L
[18:01:30.102]                         envir <- sys.frame(frame)
[18:01:30.102]                       }
[18:01:30.102]                     }
[18:01:30.102]                     sendCondition <<- function(cond) NULL
[18:01:30.102]                   }
[18:01:30.102]                 })
[18:01:30.102]                 withCallingHandlers({
[18:01:30.102]                   {
[18:01:30.102]                     2
[18:01:30.102]                   }
[18:01:30.102]                 }, immediateCondition = function(cond) {
[18:01:30.102]                   sendCondition <- ...future.makeSendCondition()
[18:01:30.102]                   sendCondition(cond)
[18:01:30.102]                   muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.102]                   {
[18:01:30.102]                     inherits <- base::inherits
[18:01:30.102]                     invokeRestart <- base::invokeRestart
[18:01:30.102]                     is.null <- base::is.null
[18:01:30.102]                     muffled <- FALSE
[18:01:30.102]                     if (inherits(cond, "message")) {
[18:01:30.102]                       muffled <- grepl(pattern, "muffleMessage")
[18:01:30.102]                       if (muffled) 
[18:01:30.102]                         invokeRestart("muffleMessage")
[18:01:30.102]                     }
[18:01:30.102]                     else if (inherits(cond, "warning")) {
[18:01:30.102]                       muffled <- grepl(pattern, "muffleWarning")
[18:01:30.102]                       if (muffled) 
[18:01:30.102]                         invokeRestart("muffleWarning")
[18:01:30.102]                     }
[18:01:30.102]                     else if (inherits(cond, "condition")) {
[18:01:30.102]                       if (!is.null(pattern)) {
[18:01:30.102]                         computeRestarts <- base::computeRestarts
[18:01:30.102]                         grepl <- base::grepl
[18:01:30.102]                         restarts <- computeRestarts(cond)
[18:01:30.102]                         for (restart in restarts) {
[18:01:30.102]                           name <- restart$name
[18:01:30.102]                           if (is.null(name)) 
[18:01:30.102]                             next
[18:01:30.102]                           if (!grepl(pattern, name)) 
[18:01:30.102]                             next
[18:01:30.102]                           invokeRestart(restart)
[18:01:30.102]                           muffled <- TRUE
[18:01:30.102]                           break
[18:01:30.102]                         }
[18:01:30.102]                       }
[18:01:30.102]                     }
[18:01:30.102]                     invisible(muffled)
[18:01:30.102]                   }
[18:01:30.102]                   muffleCondition(cond)
[18:01:30.102]                 })
[18:01:30.102]             }))
[18:01:30.102]             future::FutureResult(value = ...future.value$value, 
[18:01:30.102]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.102]                   ...future.rng), globalenv = if (FALSE) 
[18:01:30.102]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:30.102]                     ...future.globalenv.names))
[18:01:30.102]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:30.102]         }, condition = base::local({
[18:01:30.102]             c <- base::c
[18:01:30.102]             inherits <- base::inherits
[18:01:30.102]             invokeRestart <- base::invokeRestart
[18:01:30.102]             length <- base::length
[18:01:30.102]             list <- base::list
[18:01:30.102]             seq.int <- base::seq.int
[18:01:30.102]             signalCondition <- base::signalCondition
[18:01:30.102]             sys.calls <- base::sys.calls
[18:01:30.102]             `[[` <- base::`[[`
[18:01:30.102]             `+` <- base::`+`
[18:01:30.102]             `<<-` <- base::`<<-`
[18:01:30.102]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:30.102]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:30.102]                   3L)]
[18:01:30.102]             }
[18:01:30.102]             function(cond) {
[18:01:30.102]                 is_error <- inherits(cond, "error")
[18:01:30.102]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:30.102]                   NULL)
[18:01:30.102]                 if (is_error) {
[18:01:30.102]                   sessionInformation <- function() {
[18:01:30.102]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:30.102]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:30.102]                       search = base::search(), system = base::Sys.info())
[18:01:30.102]                   }
[18:01:30.102]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.102]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:30.102]                     cond$call), session = sessionInformation(), 
[18:01:30.102]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:30.102]                   signalCondition(cond)
[18:01:30.102]                 }
[18:01:30.102]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:30.102]                 "immediateCondition"))) {
[18:01:30.102]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:30.102]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.102]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:30.102]                   if (TRUE && !signal) {
[18:01:30.102]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.102]                     {
[18:01:30.102]                       inherits <- base::inherits
[18:01:30.102]                       invokeRestart <- base::invokeRestart
[18:01:30.102]                       is.null <- base::is.null
[18:01:30.102]                       muffled <- FALSE
[18:01:30.102]                       if (inherits(cond, "message")) {
[18:01:30.102]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.102]                         if (muffled) 
[18:01:30.102]                           invokeRestart("muffleMessage")
[18:01:30.102]                       }
[18:01:30.102]                       else if (inherits(cond, "warning")) {
[18:01:30.102]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.102]                         if (muffled) 
[18:01:30.102]                           invokeRestart("muffleWarning")
[18:01:30.102]                       }
[18:01:30.102]                       else if (inherits(cond, "condition")) {
[18:01:30.102]                         if (!is.null(pattern)) {
[18:01:30.102]                           computeRestarts <- base::computeRestarts
[18:01:30.102]                           grepl <- base::grepl
[18:01:30.102]                           restarts <- computeRestarts(cond)
[18:01:30.102]                           for (restart in restarts) {
[18:01:30.102]                             name <- restart$name
[18:01:30.102]                             if (is.null(name)) 
[18:01:30.102]                               next
[18:01:30.102]                             if (!grepl(pattern, name)) 
[18:01:30.102]                               next
[18:01:30.102]                             invokeRestart(restart)
[18:01:30.102]                             muffled <- TRUE
[18:01:30.102]                             break
[18:01:30.102]                           }
[18:01:30.102]                         }
[18:01:30.102]                       }
[18:01:30.102]                       invisible(muffled)
[18:01:30.102]                     }
[18:01:30.102]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.102]                   }
[18:01:30.102]                 }
[18:01:30.102]                 else {
[18:01:30.102]                   if (TRUE) {
[18:01:30.102]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.102]                     {
[18:01:30.102]                       inherits <- base::inherits
[18:01:30.102]                       invokeRestart <- base::invokeRestart
[18:01:30.102]                       is.null <- base::is.null
[18:01:30.102]                       muffled <- FALSE
[18:01:30.102]                       if (inherits(cond, "message")) {
[18:01:30.102]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.102]                         if (muffled) 
[18:01:30.102]                           invokeRestart("muffleMessage")
[18:01:30.102]                       }
[18:01:30.102]                       else if (inherits(cond, "warning")) {
[18:01:30.102]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.102]                         if (muffled) 
[18:01:30.102]                           invokeRestart("muffleWarning")
[18:01:30.102]                       }
[18:01:30.102]                       else if (inherits(cond, "condition")) {
[18:01:30.102]                         if (!is.null(pattern)) {
[18:01:30.102]                           computeRestarts <- base::computeRestarts
[18:01:30.102]                           grepl <- base::grepl
[18:01:30.102]                           restarts <- computeRestarts(cond)
[18:01:30.102]                           for (restart in restarts) {
[18:01:30.102]                             name <- restart$name
[18:01:30.102]                             if (is.null(name)) 
[18:01:30.102]                               next
[18:01:30.102]                             if (!grepl(pattern, name)) 
[18:01:30.102]                               next
[18:01:30.102]                             invokeRestart(restart)
[18:01:30.102]                             muffled <- TRUE
[18:01:30.102]                             break
[18:01:30.102]                           }
[18:01:30.102]                         }
[18:01:30.102]                       }
[18:01:30.102]                       invisible(muffled)
[18:01:30.102]                     }
[18:01:30.102]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.102]                   }
[18:01:30.102]                 }
[18:01:30.102]             }
[18:01:30.102]         }))
[18:01:30.102]     }, error = function(ex) {
[18:01:30.102]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:30.102]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.102]                 ...future.rng), started = ...future.startTime, 
[18:01:30.102]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:30.102]             version = "1.8"), class = "FutureResult")
[18:01:30.102]     }, finally = {
[18:01:30.102]         if (!identical(...future.workdir, getwd())) 
[18:01:30.102]             setwd(...future.workdir)
[18:01:30.102]         {
[18:01:30.102]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:30.102]                 ...future.oldOptions$nwarnings <- NULL
[18:01:30.102]             }
[18:01:30.102]             base::options(...future.oldOptions)
[18:01:30.102]             if (.Platform$OS.type == "windows") {
[18:01:30.102]                 old_names <- names(...future.oldEnvVars)
[18:01:30.102]                 envs <- base::Sys.getenv()
[18:01:30.102]                 names <- names(envs)
[18:01:30.102]                 common <- intersect(names, old_names)
[18:01:30.102]                 added <- setdiff(names, old_names)
[18:01:30.102]                 removed <- setdiff(old_names, names)
[18:01:30.102]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:30.102]                   envs[common]]
[18:01:30.102]                 NAMES <- toupper(changed)
[18:01:30.102]                 args <- list()
[18:01:30.102]                 for (kk in seq_along(NAMES)) {
[18:01:30.102]                   name <- changed[[kk]]
[18:01:30.102]                   NAME <- NAMES[[kk]]
[18:01:30.102]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.102]                     next
[18:01:30.102]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.102]                 }
[18:01:30.102]                 NAMES <- toupper(added)
[18:01:30.102]                 for (kk in seq_along(NAMES)) {
[18:01:30.102]                   name <- added[[kk]]
[18:01:30.102]                   NAME <- NAMES[[kk]]
[18:01:30.102]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.102]                     next
[18:01:30.102]                   args[[name]] <- ""
[18:01:30.102]                 }
[18:01:30.102]                 NAMES <- toupper(removed)
[18:01:30.102]                 for (kk in seq_along(NAMES)) {
[18:01:30.102]                   name <- removed[[kk]]
[18:01:30.102]                   NAME <- NAMES[[kk]]
[18:01:30.102]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.102]                     next
[18:01:30.102]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.102]                 }
[18:01:30.102]                 if (length(args) > 0) 
[18:01:30.102]                   base::do.call(base::Sys.setenv, args = args)
[18:01:30.102]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:30.102]             }
[18:01:30.102]             else {
[18:01:30.102]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:30.102]             }
[18:01:30.102]             {
[18:01:30.102]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:30.102]                   0L) {
[18:01:30.102]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:30.102]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:30.102]                   base::options(opts)
[18:01:30.102]                 }
[18:01:30.102]                 {
[18:01:30.102]                   {
[18:01:30.102]                     base::options(mc.cores = ...future.mc.cores.old)
[18:01:30.102]                     NULL
[18:01:30.102]                   }
[18:01:30.102]                   options(future.plan = NULL)
[18:01:30.102]                   if (is.na(NA_character_)) 
[18:01:30.102]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.102]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:30.102]                   future::plan(list(function (..., workers = availableCores(), 
[18:01:30.102]                     lazy = FALSE, rscript_libs = .libPaths(), 
[18:01:30.102]                     envir = parent.frame()) 
[18:01:30.102]                   {
[18:01:30.102]                     if (is.function(workers)) 
[18:01:30.102]                       workers <- workers()
[18:01:30.102]                     workers <- structure(as.integer(workers), 
[18:01:30.102]                       class = class(workers))
[18:01:30.102]                     stop_if_not(length(workers) == 1, is.finite(workers), 
[18:01:30.102]                       workers >= 1)
[18:01:30.102]                     if (workers == 1L && !inherits(workers, "AsIs")) {
[18:01:30.102]                       return(sequential(..., lazy = TRUE, envir = envir))
[18:01:30.102]                     }
[18:01:30.102]                     future <- MultisessionFuture(..., workers = workers, 
[18:01:30.102]                       lazy = lazy, rscript_libs = rscript_libs, 
[18:01:30.102]                       envir = envir)
[18:01:30.102]                     if (!future$lazy) 
[18:01:30.102]                       future <- run(future)
[18:01:30.102]                     invisible(future)
[18:01:30.102]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:30.102]                 }
[18:01:30.102]             }
[18:01:30.102]         }
[18:01:30.102]     })
[18:01:30.102]     if (TRUE) {
[18:01:30.102]         base::sink(type = "output", split = FALSE)
[18:01:30.102]         if (TRUE) {
[18:01:30.102]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:30.102]         }
[18:01:30.102]         else {
[18:01:30.102]             ...future.result["stdout"] <- base::list(NULL)
[18:01:30.102]         }
[18:01:30.102]         base::close(...future.stdout)
[18:01:30.102]         ...future.stdout <- NULL
[18:01:30.102]     }
[18:01:30.102]     ...future.result$conditions <- ...future.conditions
[18:01:30.102]     ...future.result$finished <- base::Sys.time()
[18:01:30.102]     ...future.result
[18:01:30.102] }
[18:01:30.108] MultisessionFuture started
[18:01:30.108] - Launch lazy future ... done
[18:01:30.108] run() for 'MultisessionFuture' ... done
[18:01:30.109] getGlobalsAndPackages() ...
[18:01:30.109] Searching for globals...
[18:01:30.110] - globals found: [1] '{'
[18:01:30.110] Searching for globals ... DONE
[18:01:30.110] Resolving globals: FALSE
[18:01:30.111] 
[18:01:30.111] 
[18:01:30.111] getGlobalsAndPackages() ... DONE
[18:01:30.111] run() for 'Future' ...
[18:01:30.112] - state: 'created'
[18:01:30.112] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[18:01:30.126] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[18:01:30.126] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[18:01:30.126]   - Field: 'node'
[18:01:30.127]   - Field: 'label'
[18:01:30.127]   - Field: 'local'
[18:01:30.127]   - Field: 'owner'
[18:01:30.127]   - Field: 'envir'
[18:01:30.127]   - Field: 'workers'
[18:01:30.128]   - Field: 'packages'
[18:01:30.128]   - Field: 'gc'
[18:01:30.128]   - Field: 'conditions'
[18:01:30.128]   - Field: 'persistent'
[18:01:30.128]   - Field: 'expr'
[18:01:30.129]   - Field: 'uuid'
[18:01:30.129]   - Field: 'seed'
[18:01:30.129]   - Field: 'version'
[18:01:30.129]   - Field: 'result'
[18:01:30.129]   - Field: 'asynchronous'
[18:01:30.130]   - Field: 'calls'
[18:01:30.130]   - Field: 'globals'
[18:01:30.130]   - Field: 'stdout'
[18:01:30.130]   - Field: 'earlySignal'
[18:01:30.130]   - Field: 'lazy'
[18:01:30.131]   - Field: 'state'
[18:01:30.131] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[18:01:30.131] - Launch lazy future ...
[18:01:30.131] Packages needed by the future expression (n = 0): <none>
[18:01:30.132] Packages needed by future strategies (n = 0): <none>
[18:01:30.132] {
[18:01:30.132]     {
[18:01:30.132]         {
[18:01:30.132]             ...future.startTime <- base::Sys.time()
[18:01:30.132]             {
[18:01:30.132]                 {
[18:01:30.132]                   {
[18:01:30.132]                     {
[18:01:30.132]                       base::local({
[18:01:30.132]                         has_future <- base::requireNamespace("future", 
[18:01:30.132]                           quietly = TRUE)
[18:01:30.132]                         if (has_future) {
[18:01:30.132]                           ns <- base::getNamespace("future")
[18:01:30.132]                           version <- ns[[".package"]][["version"]]
[18:01:30.132]                           if (is.null(version)) 
[18:01:30.132]                             version <- utils::packageVersion("future")
[18:01:30.132]                         }
[18:01:30.132]                         else {
[18:01:30.132]                           version <- NULL
[18:01:30.132]                         }
[18:01:30.132]                         if (!has_future || version < "1.8.0") {
[18:01:30.132]                           info <- base::c(r_version = base::gsub("R version ", 
[18:01:30.132]                             "", base::R.version$version.string), 
[18:01:30.132]                             platform = base::sprintf("%s (%s-bit)", 
[18:01:30.132]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:30.132]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:30.132]                               "release", "version")], collapse = " "), 
[18:01:30.132]                             hostname = base::Sys.info()[["nodename"]])
[18:01:30.132]                           info <- base::sprintf("%s: %s", base::names(info), 
[18:01:30.132]                             info)
[18:01:30.132]                           info <- base::paste(info, collapse = "; ")
[18:01:30.132]                           if (!has_future) {
[18:01:30.132]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:30.132]                               info)
[18:01:30.132]                           }
[18:01:30.132]                           else {
[18:01:30.132]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:30.132]                               info, version)
[18:01:30.132]                           }
[18:01:30.132]                           base::stop(msg)
[18:01:30.132]                         }
[18:01:30.132]                       })
[18:01:30.132]                     }
[18:01:30.132]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[18:01:30.132]                     base::options(mc.cores = 1L)
[18:01:30.132]                   }
[18:01:30.132]                   options(future.plan = NULL)
[18:01:30.132]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.132]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:30.132]                 }
[18:01:30.132]                 ...future.workdir <- getwd()
[18:01:30.132]             }
[18:01:30.132]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:30.132]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:30.132]         }
[18:01:30.132]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:30.132]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:30.132]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:30.132]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:30.132]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:30.132]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:30.132]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:30.132]             base::names(...future.oldOptions))
[18:01:30.132]     }
[18:01:30.132]     if (FALSE) {
[18:01:30.132]     }
[18:01:30.132]     else {
[18:01:30.132]         if (TRUE) {
[18:01:30.132]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:30.132]                 open = "w")
[18:01:30.132]         }
[18:01:30.132]         else {
[18:01:30.132]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:30.132]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:30.132]         }
[18:01:30.132]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:30.132]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:30.132]             base::sink(type = "output", split = FALSE)
[18:01:30.132]             base::close(...future.stdout)
[18:01:30.132]         }, add = TRUE)
[18:01:30.132]     }
[18:01:30.132]     ...future.frame <- base::sys.nframe()
[18:01:30.132]     ...future.conditions <- base::list()
[18:01:30.132]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:30.132]     if (FALSE) {
[18:01:30.132]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:30.132]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:30.132]     }
[18:01:30.132]     ...future.result <- base::tryCatch({
[18:01:30.132]         base::withCallingHandlers({
[18:01:30.132]             ...future.value <- base::withVisible(base::local({
[18:01:30.132]                 ...future.makeSendCondition <- local({
[18:01:30.132]                   sendCondition <- NULL
[18:01:30.132]                   function(frame = 1L) {
[18:01:30.132]                     if (is.function(sendCondition)) 
[18:01:30.132]                       return(sendCondition)
[18:01:30.132]                     ns <- getNamespace("parallel")
[18:01:30.132]                     if (exists("sendData", mode = "function", 
[18:01:30.132]                       envir = ns)) {
[18:01:30.132]                       parallel_sendData <- get("sendData", mode = "function", 
[18:01:30.132]                         envir = ns)
[18:01:30.132]                       envir <- sys.frame(frame)
[18:01:30.132]                       master <- NULL
[18:01:30.132]                       while (!identical(envir, .GlobalEnv) && 
[18:01:30.132]                         !identical(envir, emptyenv())) {
[18:01:30.132]                         if (exists("master", mode = "list", envir = envir, 
[18:01:30.132]                           inherits = FALSE)) {
[18:01:30.132]                           master <- get("master", mode = "list", 
[18:01:30.132]                             envir = envir, inherits = FALSE)
[18:01:30.132]                           if (inherits(master, c("SOCKnode", 
[18:01:30.132]                             "SOCK0node"))) {
[18:01:30.132]                             sendCondition <<- function(cond) {
[18:01:30.132]                               data <- list(type = "VALUE", value = cond, 
[18:01:30.132]                                 success = TRUE)
[18:01:30.132]                               parallel_sendData(master, data)
[18:01:30.132]                             }
[18:01:30.132]                             return(sendCondition)
[18:01:30.132]                           }
[18:01:30.132]                         }
[18:01:30.132]                         frame <- frame + 1L
[18:01:30.132]                         envir <- sys.frame(frame)
[18:01:30.132]                       }
[18:01:30.132]                     }
[18:01:30.132]                     sendCondition <<- function(cond) NULL
[18:01:30.132]                   }
[18:01:30.132]                 })
[18:01:30.132]                 withCallingHandlers({
[18:01:30.132]                   {
[18:01:30.132]                     4
[18:01:30.132]                   }
[18:01:30.132]                 }, immediateCondition = function(cond) {
[18:01:30.132]                   sendCondition <- ...future.makeSendCondition()
[18:01:30.132]                   sendCondition(cond)
[18:01:30.132]                   muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.132]                   {
[18:01:30.132]                     inherits <- base::inherits
[18:01:30.132]                     invokeRestart <- base::invokeRestart
[18:01:30.132]                     is.null <- base::is.null
[18:01:30.132]                     muffled <- FALSE
[18:01:30.132]                     if (inherits(cond, "message")) {
[18:01:30.132]                       muffled <- grepl(pattern, "muffleMessage")
[18:01:30.132]                       if (muffled) 
[18:01:30.132]                         invokeRestart("muffleMessage")
[18:01:30.132]                     }
[18:01:30.132]                     else if (inherits(cond, "warning")) {
[18:01:30.132]                       muffled <- grepl(pattern, "muffleWarning")
[18:01:30.132]                       if (muffled) 
[18:01:30.132]                         invokeRestart("muffleWarning")
[18:01:30.132]                     }
[18:01:30.132]                     else if (inherits(cond, "condition")) {
[18:01:30.132]                       if (!is.null(pattern)) {
[18:01:30.132]                         computeRestarts <- base::computeRestarts
[18:01:30.132]                         grepl <- base::grepl
[18:01:30.132]                         restarts <- computeRestarts(cond)
[18:01:30.132]                         for (restart in restarts) {
[18:01:30.132]                           name <- restart$name
[18:01:30.132]                           if (is.null(name)) 
[18:01:30.132]                             next
[18:01:30.132]                           if (!grepl(pattern, name)) 
[18:01:30.132]                             next
[18:01:30.132]                           invokeRestart(restart)
[18:01:30.132]                           muffled <- TRUE
[18:01:30.132]                           break
[18:01:30.132]                         }
[18:01:30.132]                       }
[18:01:30.132]                     }
[18:01:30.132]                     invisible(muffled)
[18:01:30.132]                   }
[18:01:30.132]                   muffleCondition(cond)
[18:01:30.132]                 })
[18:01:30.132]             }))
[18:01:30.132]             future::FutureResult(value = ...future.value$value, 
[18:01:30.132]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.132]                   ...future.rng), globalenv = if (FALSE) 
[18:01:30.132]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:30.132]                     ...future.globalenv.names))
[18:01:30.132]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:30.132]         }, condition = base::local({
[18:01:30.132]             c <- base::c
[18:01:30.132]             inherits <- base::inherits
[18:01:30.132]             invokeRestart <- base::invokeRestart
[18:01:30.132]             length <- base::length
[18:01:30.132]             list <- base::list
[18:01:30.132]             seq.int <- base::seq.int
[18:01:30.132]             signalCondition <- base::signalCondition
[18:01:30.132]             sys.calls <- base::sys.calls
[18:01:30.132]             `[[` <- base::`[[`
[18:01:30.132]             `+` <- base::`+`
[18:01:30.132]             `<<-` <- base::`<<-`
[18:01:30.132]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:30.132]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:30.132]                   3L)]
[18:01:30.132]             }
[18:01:30.132]             function(cond) {
[18:01:30.132]                 is_error <- inherits(cond, "error")
[18:01:30.132]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:30.132]                   NULL)
[18:01:30.132]                 if (is_error) {
[18:01:30.132]                   sessionInformation <- function() {
[18:01:30.132]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:30.132]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:30.132]                       search = base::search(), system = base::Sys.info())
[18:01:30.132]                   }
[18:01:30.132]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.132]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:30.132]                     cond$call), session = sessionInformation(), 
[18:01:30.132]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:30.132]                   signalCondition(cond)
[18:01:30.132]                 }
[18:01:30.132]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:30.132]                 "immediateCondition"))) {
[18:01:30.132]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:30.132]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.132]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:30.132]                   if (TRUE && !signal) {
[18:01:30.132]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.132]                     {
[18:01:30.132]                       inherits <- base::inherits
[18:01:30.132]                       invokeRestart <- base::invokeRestart
[18:01:30.132]                       is.null <- base::is.null
[18:01:30.132]                       muffled <- FALSE
[18:01:30.132]                       if (inherits(cond, "message")) {
[18:01:30.132]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.132]                         if (muffled) 
[18:01:30.132]                           invokeRestart("muffleMessage")
[18:01:30.132]                       }
[18:01:30.132]                       else if (inherits(cond, "warning")) {
[18:01:30.132]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.132]                         if (muffled) 
[18:01:30.132]                           invokeRestart("muffleWarning")
[18:01:30.132]                       }
[18:01:30.132]                       else if (inherits(cond, "condition")) {
[18:01:30.132]                         if (!is.null(pattern)) {
[18:01:30.132]                           computeRestarts <- base::computeRestarts
[18:01:30.132]                           grepl <- base::grepl
[18:01:30.132]                           restarts <- computeRestarts(cond)
[18:01:30.132]                           for (restart in restarts) {
[18:01:30.132]                             name <- restart$name
[18:01:30.132]                             if (is.null(name)) 
[18:01:30.132]                               next
[18:01:30.132]                             if (!grepl(pattern, name)) 
[18:01:30.132]                               next
[18:01:30.132]                             invokeRestart(restart)
[18:01:30.132]                             muffled <- TRUE
[18:01:30.132]                             break
[18:01:30.132]                           }
[18:01:30.132]                         }
[18:01:30.132]                       }
[18:01:30.132]                       invisible(muffled)
[18:01:30.132]                     }
[18:01:30.132]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.132]                   }
[18:01:30.132]                 }
[18:01:30.132]                 else {
[18:01:30.132]                   if (TRUE) {
[18:01:30.132]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.132]                     {
[18:01:30.132]                       inherits <- base::inherits
[18:01:30.132]                       invokeRestart <- base::invokeRestart
[18:01:30.132]                       is.null <- base::is.null
[18:01:30.132]                       muffled <- FALSE
[18:01:30.132]                       if (inherits(cond, "message")) {
[18:01:30.132]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.132]                         if (muffled) 
[18:01:30.132]                           invokeRestart("muffleMessage")
[18:01:30.132]                       }
[18:01:30.132]                       else if (inherits(cond, "warning")) {
[18:01:30.132]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.132]                         if (muffled) 
[18:01:30.132]                           invokeRestart("muffleWarning")
[18:01:30.132]                       }
[18:01:30.132]                       else if (inherits(cond, "condition")) {
[18:01:30.132]                         if (!is.null(pattern)) {
[18:01:30.132]                           computeRestarts <- base::computeRestarts
[18:01:30.132]                           grepl <- base::grepl
[18:01:30.132]                           restarts <- computeRestarts(cond)
[18:01:30.132]                           for (restart in restarts) {
[18:01:30.132]                             name <- restart$name
[18:01:30.132]                             if (is.null(name)) 
[18:01:30.132]                               next
[18:01:30.132]                             if (!grepl(pattern, name)) 
[18:01:30.132]                               next
[18:01:30.132]                             invokeRestart(restart)
[18:01:30.132]                             muffled <- TRUE
[18:01:30.132]                             break
[18:01:30.132]                           }
[18:01:30.132]                         }
[18:01:30.132]                       }
[18:01:30.132]                       invisible(muffled)
[18:01:30.132]                     }
[18:01:30.132]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.132]                   }
[18:01:30.132]                 }
[18:01:30.132]             }
[18:01:30.132]         }))
[18:01:30.132]     }, error = function(ex) {
[18:01:30.132]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:30.132]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.132]                 ...future.rng), started = ...future.startTime, 
[18:01:30.132]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:30.132]             version = "1.8"), class = "FutureResult")
[18:01:30.132]     }, finally = {
[18:01:30.132]         if (!identical(...future.workdir, getwd())) 
[18:01:30.132]             setwd(...future.workdir)
[18:01:30.132]         {
[18:01:30.132]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:30.132]                 ...future.oldOptions$nwarnings <- NULL
[18:01:30.132]             }
[18:01:30.132]             base::options(...future.oldOptions)
[18:01:30.132]             if (.Platform$OS.type == "windows") {
[18:01:30.132]                 old_names <- names(...future.oldEnvVars)
[18:01:30.132]                 envs <- base::Sys.getenv()
[18:01:30.132]                 names <- names(envs)
[18:01:30.132]                 common <- intersect(names, old_names)
[18:01:30.132]                 added <- setdiff(names, old_names)
[18:01:30.132]                 removed <- setdiff(old_names, names)
[18:01:30.132]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:30.132]                   envs[common]]
[18:01:30.132]                 NAMES <- toupper(changed)
[18:01:30.132]                 args <- list()
[18:01:30.132]                 for (kk in seq_along(NAMES)) {
[18:01:30.132]                   name <- changed[[kk]]
[18:01:30.132]                   NAME <- NAMES[[kk]]
[18:01:30.132]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.132]                     next
[18:01:30.132]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.132]                 }
[18:01:30.132]                 NAMES <- toupper(added)
[18:01:30.132]                 for (kk in seq_along(NAMES)) {
[18:01:30.132]                   name <- added[[kk]]
[18:01:30.132]                   NAME <- NAMES[[kk]]
[18:01:30.132]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.132]                     next
[18:01:30.132]                   args[[name]] <- ""
[18:01:30.132]                 }
[18:01:30.132]                 NAMES <- toupper(removed)
[18:01:30.132]                 for (kk in seq_along(NAMES)) {
[18:01:30.132]                   name <- removed[[kk]]
[18:01:30.132]                   NAME <- NAMES[[kk]]
[18:01:30.132]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.132]                     next
[18:01:30.132]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.132]                 }
[18:01:30.132]                 if (length(args) > 0) 
[18:01:30.132]                   base::do.call(base::Sys.setenv, args = args)
[18:01:30.132]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:30.132]             }
[18:01:30.132]             else {
[18:01:30.132]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:30.132]             }
[18:01:30.132]             {
[18:01:30.132]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:30.132]                   0L) {
[18:01:30.132]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:30.132]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:30.132]                   base::options(opts)
[18:01:30.132]                 }
[18:01:30.132]                 {
[18:01:30.132]                   {
[18:01:30.132]                     base::options(mc.cores = ...future.mc.cores.old)
[18:01:30.132]                     NULL
[18:01:30.132]                   }
[18:01:30.132]                   options(future.plan = NULL)
[18:01:30.132]                   if (is.na(NA_character_)) 
[18:01:30.132]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.132]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:30.132]                   future::plan(list(function (..., workers = availableCores(), 
[18:01:30.132]                     lazy = FALSE, rscript_libs = .libPaths(), 
[18:01:30.132]                     envir = parent.frame()) 
[18:01:30.132]                   {
[18:01:30.132]                     if (is.function(workers)) 
[18:01:30.132]                       workers <- workers()
[18:01:30.132]                     workers <- structure(as.integer(workers), 
[18:01:30.132]                       class = class(workers))
[18:01:30.132]                     stop_if_not(length(workers) == 1, is.finite(workers), 
[18:01:30.132]                       workers >= 1)
[18:01:30.132]                     if (workers == 1L && !inherits(workers, "AsIs")) {
[18:01:30.132]                       return(sequential(..., lazy = TRUE, envir = envir))
[18:01:30.132]                     }
[18:01:30.132]                     future <- MultisessionFuture(..., workers = workers, 
[18:01:30.132]                       lazy = lazy, rscript_libs = rscript_libs, 
[18:01:30.132]                       envir = envir)
[18:01:30.132]                     if (!future$lazy) 
[18:01:30.132]                       future <- run(future)
[18:01:30.132]                     invisible(future)
[18:01:30.132]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:30.132]                 }
[18:01:30.132]             }
[18:01:30.132]         }
[18:01:30.132]     })
[18:01:30.132]     if (TRUE) {
[18:01:30.132]         base::sink(type = "output", split = FALSE)
[18:01:30.132]         if (TRUE) {
[18:01:30.132]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:30.132]         }
[18:01:30.132]         else {
[18:01:30.132]             ...future.result["stdout"] <- base::list(NULL)
[18:01:30.132]         }
[18:01:30.132]         base::close(...future.stdout)
[18:01:30.132]         ...future.stdout <- NULL
[18:01:30.132]     }
[18:01:30.132]     ...future.result$conditions <- ...future.conditions
[18:01:30.132]     ...future.result$finished <- base::Sys.time()
[18:01:30.132]     ...future.result
[18:01:30.132] }
[18:01:30.225] MultisessionFuture started
[18:01:30.225] - Launch lazy future ... done
[18:01:30.226] run() for 'MultisessionFuture' ... done
[18:01:30.226] result() for ClusterFuture ...
[18:01:30.226] receiveMessageFromWorker() for ClusterFuture ...
[18:01:30.226] - Validating connection of MultisessionFuture
[18:01:30.227] - received message: FutureResult
[18:01:30.227] - Received FutureResult
[18:01:30.227] - Erased future from FutureRegistry
[18:01:30.227] result() for ClusterFuture ...
[18:01:30.228] - result already collected: FutureResult
[18:01:30.228] result() for ClusterFuture ... done
[18:01:30.228] receiveMessageFromWorker() for ClusterFuture ... done
[18:01:30.228] result() for ClusterFuture ... done
[18:01:30.228] result() for ClusterFuture ...
[18:01:30.228] - result already collected: FutureResult
[18:01:30.229] result() for ClusterFuture ... done
u$a = 2
[18:01:30.229] result() for ClusterFuture ...
[18:01:30.229] receiveMessageFromWorker() for ClusterFuture ...
[18:01:30.229] - Validating connection of MultisessionFuture
[18:01:30.288] - received message: FutureResult
[18:01:30.289] - Received FutureResult
[18:01:30.289] - Erased future from FutureRegistry
[18:01:30.289] result() for ClusterFuture ...
[18:01:30.289] - result already collected: FutureResult
[18:01:30.289] result() for ClusterFuture ... done
[18:01:30.290] receiveMessageFromWorker() for ClusterFuture ... done
[18:01:30.290] result() for ClusterFuture ... done
[18:01:30.290] result() for ClusterFuture ...
[18:01:30.290] - result already collected: FutureResult
[18:01:30.290] result() for ClusterFuture ... done
v$a = 4
[18:01:30.291] getGlobalsAndPackages() ...
[18:01:30.291] Searching for globals...
[18:01:30.293] - globals found: [3] '{', '*', 'a'
[18:01:30.293] Searching for globals ... DONE
[18:01:30.293] Resolving globals: FALSE
[18:01:30.294] The total size of the 1 globals is 56 bytes (56 bytes)
[18:01:30.294] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[18:01:30.294] - globals: [1] 'a'
[18:01:30.295] 
[18:01:30.295] getGlobalsAndPackages() ... DONE
[18:01:30.295] run() for 'Future' ...
[18:01:30.295] - state: 'created'
[18:01:30.296] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[18:01:30.310] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[18:01:30.311] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[18:01:30.311]   - Field: 'node'
[18:01:30.311]   - Field: 'label'
[18:01:30.311]   - Field: 'local'
[18:01:30.311]   - Field: 'owner'
[18:01:30.312]   - Field: 'envir'
[18:01:30.312]   - Field: 'workers'
[18:01:30.312]   - Field: 'packages'
[18:01:30.312]   - Field: 'gc'
[18:01:30.313]   - Field: 'conditions'
[18:01:30.313]   - Field: 'persistent'
[18:01:30.313]   - Field: 'expr'
[18:01:30.313]   - Field: 'uuid'
[18:01:30.313]   - Field: 'seed'
[18:01:30.314]   - Field: 'version'
[18:01:30.314]   - Field: 'result'
[18:01:30.314]   - Field: 'asynchronous'
[18:01:30.314]   - Field: 'calls'
[18:01:30.314]   - Field: 'globals'
[18:01:30.315]   - Field: 'stdout'
[18:01:30.315]   - Field: 'earlySignal'
[18:01:30.315]   - Field: 'lazy'
[18:01:30.315]   - Field: 'state'
[18:01:30.315] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[18:01:30.316] - Launch lazy future ...
[18:01:30.316] Packages needed by the future expression (n = 0): <none>
[18:01:30.316] Packages needed by future strategies (n = 0): <none>
[18:01:30.317] {
[18:01:30.317]     {
[18:01:30.317]         {
[18:01:30.317]             ...future.startTime <- base::Sys.time()
[18:01:30.317]             {
[18:01:30.317]                 {
[18:01:30.317]                   {
[18:01:30.317]                     {
[18:01:30.317]                       base::local({
[18:01:30.317]                         has_future <- base::requireNamespace("future", 
[18:01:30.317]                           quietly = TRUE)
[18:01:30.317]                         if (has_future) {
[18:01:30.317]                           ns <- base::getNamespace("future")
[18:01:30.317]                           version <- ns[[".package"]][["version"]]
[18:01:30.317]                           if (is.null(version)) 
[18:01:30.317]                             version <- utils::packageVersion("future")
[18:01:30.317]                         }
[18:01:30.317]                         else {
[18:01:30.317]                           version <- NULL
[18:01:30.317]                         }
[18:01:30.317]                         if (!has_future || version < "1.8.0") {
[18:01:30.317]                           info <- base::c(r_version = base::gsub("R version ", 
[18:01:30.317]                             "", base::R.version$version.string), 
[18:01:30.317]                             platform = base::sprintf("%s (%s-bit)", 
[18:01:30.317]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:30.317]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:30.317]                               "release", "version")], collapse = " "), 
[18:01:30.317]                             hostname = base::Sys.info()[["nodename"]])
[18:01:30.317]                           info <- base::sprintf("%s: %s", base::names(info), 
[18:01:30.317]                             info)
[18:01:30.317]                           info <- base::paste(info, collapse = "; ")
[18:01:30.317]                           if (!has_future) {
[18:01:30.317]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:30.317]                               info)
[18:01:30.317]                           }
[18:01:30.317]                           else {
[18:01:30.317]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:30.317]                               info, version)
[18:01:30.317]                           }
[18:01:30.317]                           base::stop(msg)
[18:01:30.317]                         }
[18:01:30.317]                       })
[18:01:30.317]                     }
[18:01:30.317]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[18:01:30.317]                     base::options(mc.cores = 1L)
[18:01:30.317]                   }
[18:01:30.317]                   options(future.plan = NULL)
[18:01:30.317]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.317]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:30.317]                 }
[18:01:30.317]                 ...future.workdir <- getwd()
[18:01:30.317]             }
[18:01:30.317]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:30.317]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:30.317]         }
[18:01:30.317]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:30.317]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:30.317]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:30.317]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:30.317]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:30.317]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:30.317]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:30.317]             base::names(...future.oldOptions))
[18:01:30.317]     }
[18:01:30.317]     if (FALSE) {
[18:01:30.317]     }
[18:01:30.317]     else {
[18:01:30.317]         if (TRUE) {
[18:01:30.317]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:30.317]                 open = "w")
[18:01:30.317]         }
[18:01:30.317]         else {
[18:01:30.317]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:30.317]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:30.317]         }
[18:01:30.317]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:30.317]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:30.317]             base::sink(type = "output", split = FALSE)
[18:01:30.317]             base::close(...future.stdout)
[18:01:30.317]         }, add = TRUE)
[18:01:30.317]     }
[18:01:30.317]     ...future.frame <- base::sys.nframe()
[18:01:30.317]     ...future.conditions <- base::list()
[18:01:30.317]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:30.317]     if (FALSE) {
[18:01:30.317]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:30.317]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:30.317]     }
[18:01:30.317]     ...future.result <- base::tryCatch({
[18:01:30.317]         base::withCallingHandlers({
[18:01:30.317]             ...future.value <- base::withVisible(base::local({
[18:01:30.317]                 ...future.makeSendCondition <- local({
[18:01:30.317]                   sendCondition <- NULL
[18:01:30.317]                   function(frame = 1L) {
[18:01:30.317]                     if (is.function(sendCondition)) 
[18:01:30.317]                       return(sendCondition)
[18:01:30.317]                     ns <- getNamespace("parallel")
[18:01:30.317]                     if (exists("sendData", mode = "function", 
[18:01:30.317]                       envir = ns)) {
[18:01:30.317]                       parallel_sendData <- get("sendData", mode = "function", 
[18:01:30.317]                         envir = ns)
[18:01:30.317]                       envir <- sys.frame(frame)
[18:01:30.317]                       master <- NULL
[18:01:30.317]                       while (!identical(envir, .GlobalEnv) && 
[18:01:30.317]                         !identical(envir, emptyenv())) {
[18:01:30.317]                         if (exists("master", mode = "list", envir = envir, 
[18:01:30.317]                           inherits = FALSE)) {
[18:01:30.317]                           master <- get("master", mode = "list", 
[18:01:30.317]                             envir = envir, inherits = FALSE)
[18:01:30.317]                           if (inherits(master, c("SOCKnode", 
[18:01:30.317]                             "SOCK0node"))) {
[18:01:30.317]                             sendCondition <<- function(cond) {
[18:01:30.317]                               data <- list(type = "VALUE", value = cond, 
[18:01:30.317]                                 success = TRUE)
[18:01:30.317]                               parallel_sendData(master, data)
[18:01:30.317]                             }
[18:01:30.317]                             return(sendCondition)
[18:01:30.317]                           }
[18:01:30.317]                         }
[18:01:30.317]                         frame <- frame + 1L
[18:01:30.317]                         envir <- sys.frame(frame)
[18:01:30.317]                       }
[18:01:30.317]                     }
[18:01:30.317]                     sendCondition <<- function(cond) NULL
[18:01:30.317]                   }
[18:01:30.317]                 })
[18:01:30.317]                 withCallingHandlers({
[18:01:30.317]                   {
[18:01:30.317]                     2 * a
[18:01:30.317]                   }
[18:01:30.317]                 }, immediateCondition = function(cond) {
[18:01:30.317]                   sendCondition <- ...future.makeSendCondition()
[18:01:30.317]                   sendCondition(cond)
[18:01:30.317]                   muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.317]                   {
[18:01:30.317]                     inherits <- base::inherits
[18:01:30.317]                     invokeRestart <- base::invokeRestart
[18:01:30.317]                     is.null <- base::is.null
[18:01:30.317]                     muffled <- FALSE
[18:01:30.317]                     if (inherits(cond, "message")) {
[18:01:30.317]                       muffled <- grepl(pattern, "muffleMessage")
[18:01:30.317]                       if (muffled) 
[18:01:30.317]                         invokeRestart("muffleMessage")
[18:01:30.317]                     }
[18:01:30.317]                     else if (inherits(cond, "warning")) {
[18:01:30.317]                       muffled <- grepl(pattern, "muffleWarning")
[18:01:30.317]                       if (muffled) 
[18:01:30.317]                         invokeRestart("muffleWarning")
[18:01:30.317]                     }
[18:01:30.317]                     else if (inherits(cond, "condition")) {
[18:01:30.317]                       if (!is.null(pattern)) {
[18:01:30.317]                         computeRestarts <- base::computeRestarts
[18:01:30.317]                         grepl <- base::grepl
[18:01:30.317]                         restarts <- computeRestarts(cond)
[18:01:30.317]                         for (restart in restarts) {
[18:01:30.317]                           name <- restart$name
[18:01:30.317]                           if (is.null(name)) 
[18:01:30.317]                             next
[18:01:30.317]                           if (!grepl(pattern, name)) 
[18:01:30.317]                             next
[18:01:30.317]                           invokeRestart(restart)
[18:01:30.317]                           muffled <- TRUE
[18:01:30.317]                           break
[18:01:30.317]                         }
[18:01:30.317]                       }
[18:01:30.317]                     }
[18:01:30.317]                     invisible(muffled)
[18:01:30.317]                   }
[18:01:30.317]                   muffleCondition(cond)
[18:01:30.317]                 })
[18:01:30.317]             }))
[18:01:30.317]             future::FutureResult(value = ...future.value$value, 
[18:01:30.317]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.317]                   ...future.rng), globalenv = if (FALSE) 
[18:01:30.317]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:30.317]                     ...future.globalenv.names))
[18:01:30.317]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:30.317]         }, condition = base::local({
[18:01:30.317]             c <- base::c
[18:01:30.317]             inherits <- base::inherits
[18:01:30.317]             invokeRestart <- base::invokeRestart
[18:01:30.317]             length <- base::length
[18:01:30.317]             list <- base::list
[18:01:30.317]             seq.int <- base::seq.int
[18:01:30.317]             signalCondition <- base::signalCondition
[18:01:30.317]             sys.calls <- base::sys.calls
[18:01:30.317]             `[[` <- base::`[[`
[18:01:30.317]             `+` <- base::`+`
[18:01:30.317]             `<<-` <- base::`<<-`
[18:01:30.317]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:30.317]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:30.317]                   3L)]
[18:01:30.317]             }
[18:01:30.317]             function(cond) {
[18:01:30.317]                 is_error <- inherits(cond, "error")
[18:01:30.317]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:30.317]                   NULL)
[18:01:30.317]                 if (is_error) {
[18:01:30.317]                   sessionInformation <- function() {
[18:01:30.317]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:30.317]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:30.317]                       search = base::search(), system = base::Sys.info())
[18:01:30.317]                   }
[18:01:30.317]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.317]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:30.317]                     cond$call), session = sessionInformation(), 
[18:01:30.317]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:30.317]                   signalCondition(cond)
[18:01:30.317]                 }
[18:01:30.317]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:30.317]                 "immediateCondition"))) {
[18:01:30.317]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:30.317]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.317]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:30.317]                   if (TRUE && !signal) {
[18:01:30.317]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.317]                     {
[18:01:30.317]                       inherits <- base::inherits
[18:01:30.317]                       invokeRestart <- base::invokeRestart
[18:01:30.317]                       is.null <- base::is.null
[18:01:30.317]                       muffled <- FALSE
[18:01:30.317]                       if (inherits(cond, "message")) {
[18:01:30.317]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.317]                         if (muffled) 
[18:01:30.317]                           invokeRestart("muffleMessage")
[18:01:30.317]                       }
[18:01:30.317]                       else if (inherits(cond, "warning")) {
[18:01:30.317]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.317]                         if (muffled) 
[18:01:30.317]                           invokeRestart("muffleWarning")
[18:01:30.317]                       }
[18:01:30.317]                       else if (inherits(cond, "condition")) {
[18:01:30.317]                         if (!is.null(pattern)) {
[18:01:30.317]                           computeRestarts <- base::computeRestarts
[18:01:30.317]                           grepl <- base::grepl
[18:01:30.317]                           restarts <- computeRestarts(cond)
[18:01:30.317]                           for (restart in restarts) {
[18:01:30.317]                             name <- restart$name
[18:01:30.317]                             if (is.null(name)) 
[18:01:30.317]                               next
[18:01:30.317]                             if (!grepl(pattern, name)) 
[18:01:30.317]                               next
[18:01:30.317]                             invokeRestart(restart)
[18:01:30.317]                             muffled <- TRUE
[18:01:30.317]                             break
[18:01:30.317]                           }
[18:01:30.317]                         }
[18:01:30.317]                       }
[18:01:30.317]                       invisible(muffled)
[18:01:30.317]                     }
[18:01:30.317]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.317]                   }
[18:01:30.317]                 }
[18:01:30.317]                 else {
[18:01:30.317]                   if (TRUE) {
[18:01:30.317]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.317]                     {
[18:01:30.317]                       inherits <- base::inherits
[18:01:30.317]                       invokeRestart <- base::invokeRestart
[18:01:30.317]                       is.null <- base::is.null
[18:01:30.317]                       muffled <- FALSE
[18:01:30.317]                       if (inherits(cond, "message")) {
[18:01:30.317]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.317]                         if (muffled) 
[18:01:30.317]                           invokeRestart("muffleMessage")
[18:01:30.317]                       }
[18:01:30.317]                       else if (inherits(cond, "warning")) {
[18:01:30.317]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.317]                         if (muffled) 
[18:01:30.317]                           invokeRestart("muffleWarning")
[18:01:30.317]                       }
[18:01:30.317]                       else if (inherits(cond, "condition")) {
[18:01:30.317]                         if (!is.null(pattern)) {
[18:01:30.317]                           computeRestarts <- base::computeRestarts
[18:01:30.317]                           grepl <- base::grepl
[18:01:30.317]                           restarts <- computeRestarts(cond)
[18:01:30.317]                           for (restart in restarts) {
[18:01:30.317]                             name <- restart$name
[18:01:30.317]                             if (is.null(name)) 
[18:01:30.317]                               next
[18:01:30.317]                             if (!grepl(pattern, name)) 
[18:01:30.317]                               next
[18:01:30.317]                             invokeRestart(restart)
[18:01:30.317]                             muffled <- TRUE
[18:01:30.317]                             break
[18:01:30.317]                           }
[18:01:30.317]                         }
[18:01:30.317]                       }
[18:01:30.317]                       invisible(muffled)
[18:01:30.317]                     }
[18:01:30.317]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.317]                   }
[18:01:30.317]                 }
[18:01:30.317]             }
[18:01:30.317]         }))
[18:01:30.317]     }, error = function(ex) {
[18:01:30.317]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:30.317]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.317]                 ...future.rng), started = ...future.startTime, 
[18:01:30.317]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:30.317]             version = "1.8"), class = "FutureResult")
[18:01:30.317]     }, finally = {
[18:01:30.317]         if (!identical(...future.workdir, getwd())) 
[18:01:30.317]             setwd(...future.workdir)
[18:01:30.317]         {
[18:01:30.317]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:30.317]                 ...future.oldOptions$nwarnings <- NULL
[18:01:30.317]             }
[18:01:30.317]             base::options(...future.oldOptions)
[18:01:30.317]             if (.Platform$OS.type == "windows") {
[18:01:30.317]                 old_names <- names(...future.oldEnvVars)
[18:01:30.317]                 envs <- base::Sys.getenv()
[18:01:30.317]                 names <- names(envs)
[18:01:30.317]                 common <- intersect(names, old_names)
[18:01:30.317]                 added <- setdiff(names, old_names)
[18:01:30.317]                 removed <- setdiff(old_names, names)
[18:01:30.317]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:30.317]                   envs[common]]
[18:01:30.317]                 NAMES <- toupper(changed)
[18:01:30.317]                 args <- list()
[18:01:30.317]                 for (kk in seq_along(NAMES)) {
[18:01:30.317]                   name <- changed[[kk]]
[18:01:30.317]                   NAME <- NAMES[[kk]]
[18:01:30.317]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.317]                     next
[18:01:30.317]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.317]                 }
[18:01:30.317]                 NAMES <- toupper(added)
[18:01:30.317]                 for (kk in seq_along(NAMES)) {
[18:01:30.317]                   name <- added[[kk]]
[18:01:30.317]                   NAME <- NAMES[[kk]]
[18:01:30.317]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.317]                     next
[18:01:30.317]                   args[[name]] <- ""
[18:01:30.317]                 }
[18:01:30.317]                 NAMES <- toupper(removed)
[18:01:30.317]                 for (kk in seq_along(NAMES)) {
[18:01:30.317]                   name <- removed[[kk]]
[18:01:30.317]                   NAME <- NAMES[[kk]]
[18:01:30.317]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.317]                     next
[18:01:30.317]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.317]                 }
[18:01:30.317]                 if (length(args) > 0) 
[18:01:30.317]                   base::do.call(base::Sys.setenv, args = args)
[18:01:30.317]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:30.317]             }
[18:01:30.317]             else {
[18:01:30.317]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:30.317]             }
[18:01:30.317]             {
[18:01:30.317]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:30.317]                   0L) {
[18:01:30.317]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:30.317]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:30.317]                   base::options(opts)
[18:01:30.317]                 }
[18:01:30.317]                 {
[18:01:30.317]                   {
[18:01:30.317]                     base::options(mc.cores = ...future.mc.cores.old)
[18:01:30.317]                     NULL
[18:01:30.317]                   }
[18:01:30.317]                   options(future.plan = NULL)
[18:01:30.317]                   if (is.na(NA_character_)) 
[18:01:30.317]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.317]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:30.317]                   future::plan(list(function (..., workers = availableCores(), 
[18:01:30.317]                     lazy = FALSE, rscript_libs = .libPaths(), 
[18:01:30.317]                     envir = parent.frame()) 
[18:01:30.317]                   {
[18:01:30.317]                     if (is.function(workers)) 
[18:01:30.317]                       workers <- workers()
[18:01:30.317]                     workers <- structure(as.integer(workers), 
[18:01:30.317]                       class = class(workers))
[18:01:30.317]                     stop_if_not(length(workers) == 1, is.finite(workers), 
[18:01:30.317]                       workers >= 1)
[18:01:30.317]                     if (workers == 1L && !inherits(workers, "AsIs")) {
[18:01:30.317]                       return(sequential(..., lazy = TRUE, envir = envir))
[18:01:30.317]                     }
[18:01:30.317]                     future <- MultisessionFuture(..., workers = workers, 
[18:01:30.317]                       lazy = lazy, rscript_libs = rscript_libs, 
[18:01:30.317]                       envir = envir)
[18:01:30.317]                     if (!future$lazy) 
[18:01:30.317]                       future <- run(future)
[18:01:30.317]                     invisible(future)
[18:01:30.317]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:30.317]                 }
[18:01:30.317]             }
[18:01:30.317]         }
[18:01:30.317]     })
[18:01:30.317]     if (TRUE) {
[18:01:30.317]         base::sink(type = "output", split = FALSE)
[18:01:30.317]         if (TRUE) {
[18:01:30.317]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:30.317]         }
[18:01:30.317]         else {
[18:01:30.317]             ...future.result["stdout"] <- base::list(NULL)
[18:01:30.317]         }
[18:01:30.317]         base::close(...future.stdout)
[18:01:30.317]         ...future.stdout <- NULL
[18:01:30.317]     }
[18:01:30.317]     ...future.result$conditions <- ...future.conditions
[18:01:30.317]     ...future.result$finished <- base::Sys.time()
[18:01:30.317]     ...future.result
[18:01:30.317] }
[18:01:30.322] Exporting 1 global objects (56 bytes) to cluster node #1 ...
[18:01:30.323] Exporting 'a' (56 bytes) to cluster node #1 ...
[18:01:30.323] Exporting 'a' (56 bytes) to cluster node #1 ... DONE
[18:01:30.323] Exporting 1 global objects (56 bytes) to cluster node #1 ... DONE
[18:01:30.324] MultisessionFuture started
[18:01:30.324] - Launch lazy future ... done
[18:01:30.325] run() for 'MultisessionFuture' ... done
[18:01:30.325] result() for ClusterFuture ...
[18:01:30.325] receiveMessageFromWorker() for ClusterFuture ...
[18:01:30.325] - Validating connection of MultisessionFuture
[18:01:30.340] - received message: FutureResult
[18:01:30.340] - Received FutureResult
[18:01:30.341] - Erased future from FutureRegistry
[18:01:30.341] result() for ClusterFuture ...
[18:01:30.341] - result already collected: FutureResult
[18:01:30.341] result() for ClusterFuture ... done
[18:01:30.341] receiveMessageFromWorker() for ClusterFuture ... done
[18:01:30.341] result() for ClusterFuture ... done
[18:01:30.342] result() for ClusterFuture ...
[18:01:30.342] - result already collected: FutureResult
[18:01:30.342] result() for ClusterFuture ... done
[18:01:30.342] getGlobalsAndPackages() ...
[18:01:30.342] Searching for globals...
[18:01:30.343] - globals found: [3] '{', '*', 'a'
[18:01:30.344] Searching for globals ... DONE
[18:01:30.344] Resolving globals: FALSE
[18:01:30.344] The total size of the 1 globals is 56 bytes (56 bytes)
[18:01:30.345] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[18:01:30.345] - globals: [1] 'a'
[18:01:30.345] 
[18:01:30.345] getGlobalsAndPackages() ... DONE
[18:01:30.346] run() for 'Future' ...
[18:01:30.346] - state: 'created'
[18:01:30.346] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[18:01:30.360] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[18:01:30.360] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[18:01:30.360]   - Field: 'node'
[18:01:30.361]   - Field: 'label'
[18:01:30.361]   - Field: 'local'
[18:01:30.361]   - Field: 'owner'
[18:01:30.361]   - Field: 'envir'
[18:01:30.361]   - Field: 'workers'
[18:01:30.361]   - Field: 'packages'
[18:01:30.362]   - Field: 'gc'
[18:01:30.362]   - Field: 'conditions'
[18:01:30.362]   - Field: 'persistent'
[18:01:30.362]   - Field: 'expr'
[18:01:30.362]   - Field: 'uuid'
[18:01:30.363]   - Field: 'seed'
[18:01:30.363]   - Field: 'version'
[18:01:30.363]   - Field: 'result'
[18:01:30.363]   - Field: 'asynchronous'
[18:01:30.363]   - Field: 'calls'
[18:01:30.363]   - Field: 'globals'
[18:01:30.364]   - Field: 'stdout'
[18:01:30.364]   - Field: 'earlySignal'
[18:01:30.364]   - Field: 'lazy'
[18:01:30.364]   - Field: 'state'
[18:01:30.364] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[18:01:30.364] - Launch lazy future ...
[18:01:30.365] Packages needed by the future expression (n = 0): <none>
[18:01:30.365] Packages needed by future strategies (n = 0): <none>
[18:01:30.366] {
[18:01:30.366]     {
[18:01:30.366]         {
[18:01:30.366]             ...future.startTime <- base::Sys.time()
[18:01:30.366]             {
[18:01:30.366]                 {
[18:01:30.366]                   {
[18:01:30.366]                     {
[18:01:30.366]                       base::local({
[18:01:30.366]                         has_future <- base::requireNamespace("future", 
[18:01:30.366]                           quietly = TRUE)
[18:01:30.366]                         if (has_future) {
[18:01:30.366]                           ns <- base::getNamespace("future")
[18:01:30.366]                           version <- ns[[".package"]][["version"]]
[18:01:30.366]                           if (is.null(version)) 
[18:01:30.366]                             version <- utils::packageVersion("future")
[18:01:30.366]                         }
[18:01:30.366]                         else {
[18:01:30.366]                           version <- NULL
[18:01:30.366]                         }
[18:01:30.366]                         if (!has_future || version < "1.8.0") {
[18:01:30.366]                           info <- base::c(r_version = base::gsub("R version ", 
[18:01:30.366]                             "", base::R.version$version.string), 
[18:01:30.366]                             platform = base::sprintf("%s (%s-bit)", 
[18:01:30.366]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:30.366]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:30.366]                               "release", "version")], collapse = " "), 
[18:01:30.366]                             hostname = base::Sys.info()[["nodename"]])
[18:01:30.366]                           info <- base::sprintf("%s: %s", base::names(info), 
[18:01:30.366]                             info)
[18:01:30.366]                           info <- base::paste(info, collapse = "; ")
[18:01:30.366]                           if (!has_future) {
[18:01:30.366]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:30.366]                               info)
[18:01:30.366]                           }
[18:01:30.366]                           else {
[18:01:30.366]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:30.366]                               info, version)
[18:01:30.366]                           }
[18:01:30.366]                           base::stop(msg)
[18:01:30.366]                         }
[18:01:30.366]                       })
[18:01:30.366]                     }
[18:01:30.366]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[18:01:30.366]                     base::options(mc.cores = 1L)
[18:01:30.366]                   }
[18:01:30.366]                   options(future.plan = NULL)
[18:01:30.366]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.366]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:30.366]                 }
[18:01:30.366]                 ...future.workdir <- getwd()
[18:01:30.366]             }
[18:01:30.366]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:30.366]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:30.366]         }
[18:01:30.366]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:30.366]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:30.366]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:30.366]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:30.366]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:30.366]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:30.366]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:30.366]             base::names(...future.oldOptions))
[18:01:30.366]     }
[18:01:30.366]     if (FALSE) {
[18:01:30.366]     }
[18:01:30.366]     else {
[18:01:30.366]         if (TRUE) {
[18:01:30.366]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:30.366]                 open = "w")
[18:01:30.366]         }
[18:01:30.366]         else {
[18:01:30.366]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:30.366]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:30.366]         }
[18:01:30.366]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:30.366]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:30.366]             base::sink(type = "output", split = FALSE)
[18:01:30.366]             base::close(...future.stdout)
[18:01:30.366]         }, add = TRUE)
[18:01:30.366]     }
[18:01:30.366]     ...future.frame <- base::sys.nframe()
[18:01:30.366]     ...future.conditions <- base::list()
[18:01:30.366]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:30.366]     if (FALSE) {
[18:01:30.366]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:30.366]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:30.366]     }
[18:01:30.366]     ...future.result <- base::tryCatch({
[18:01:30.366]         base::withCallingHandlers({
[18:01:30.366]             ...future.value <- base::withVisible(base::local({
[18:01:30.366]                 ...future.makeSendCondition <- local({
[18:01:30.366]                   sendCondition <- NULL
[18:01:30.366]                   function(frame = 1L) {
[18:01:30.366]                     if (is.function(sendCondition)) 
[18:01:30.366]                       return(sendCondition)
[18:01:30.366]                     ns <- getNamespace("parallel")
[18:01:30.366]                     if (exists("sendData", mode = "function", 
[18:01:30.366]                       envir = ns)) {
[18:01:30.366]                       parallel_sendData <- get("sendData", mode = "function", 
[18:01:30.366]                         envir = ns)
[18:01:30.366]                       envir <- sys.frame(frame)
[18:01:30.366]                       master <- NULL
[18:01:30.366]                       while (!identical(envir, .GlobalEnv) && 
[18:01:30.366]                         !identical(envir, emptyenv())) {
[18:01:30.366]                         if (exists("master", mode = "list", envir = envir, 
[18:01:30.366]                           inherits = FALSE)) {
[18:01:30.366]                           master <- get("master", mode = "list", 
[18:01:30.366]                             envir = envir, inherits = FALSE)
[18:01:30.366]                           if (inherits(master, c("SOCKnode", 
[18:01:30.366]                             "SOCK0node"))) {
[18:01:30.366]                             sendCondition <<- function(cond) {
[18:01:30.366]                               data <- list(type = "VALUE", value = cond, 
[18:01:30.366]                                 success = TRUE)
[18:01:30.366]                               parallel_sendData(master, data)
[18:01:30.366]                             }
[18:01:30.366]                             return(sendCondition)
[18:01:30.366]                           }
[18:01:30.366]                         }
[18:01:30.366]                         frame <- frame + 1L
[18:01:30.366]                         envir <- sys.frame(frame)
[18:01:30.366]                       }
[18:01:30.366]                     }
[18:01:30.366]                     sendCondition <<- function(cond) NULL
[18:01:30.366]                   }
[18:01:30.366]                 })
[18:01:30.366]                 withCallingHandlers({
[18:01:30.366]                   {
[18:01:30.366]                     2 * a
[18:01:30.366]                   }
[18:01:30.366]                 }, immediateCondition = function(cond) {
[18:01:30.366]                   sendCondition <- ...future.makeSendCondition()
[18:01:30.366]                   sendCondition(cond)
[18:01:30.366]                   muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.366]                   {
[18:01:30.366]                     inherits <- base::inherits
[18:01:30.366]                     invokeRestart <- base::invokeRestart
[18:01:30.366]                     is.null <- base::is.null
[18:01:30.366]                     muffled <- FALSE
[18:01:30.366]                     if (inherits(cond, "message")) {
[18:01:30.366]                       muffled <- grepl(pattern, "muffleMessage")
[18:01:30.366]                       if (muffled) 
[18:01:30.366]                         invokeRestart("muffleMessage")
[18:01:30.366]                     }
[18:01:30.366]                     else if (inherits(cond, "warning")) {
[18:01:30.366]                       muffled <- grepl(pattern, "muffleWarning")
[18:01:30.366]                       if (muffled) 
[18:01:30.366]                         invokeRestart("muffleWarning")
[18:01:30.366]                     }
[18:01:30.366]                     else if (inherits(cond, "condition")) {
[18:01:30.366]                       if (!is.null(pattern)) {
[18:01:30.366]                         computeRestarts <- base::computeRestarts
[18:01:30.366]                         grepl <- base::grepl
[18:01:30.366]                         restarts <- computeRestarts(cond)
[18:01:30.366]                         for (restart in restarts) {
[18:01:30.366]                           name <- restart$name
[18:01:30.366]                           if (is.null(name)) 
[18:01:30.366]                             next
[18:01:30.366]                           if (!grepl(pattern, name)) 
[18:01:30.366]                             next
[18:01:30.366]                           invokeRestart(restart)
[18:01:30.366]                           muffled <- TRUE
[18:01:30.366]                           break
[18:01:30.366]                         }
[18:01:30.366]                       }
[18:01:30.366]                     }
[18:01:30.366]                     invisible(muffled)
[18:01:30.366]                   }
[18:01:30.366]                   muffleCondition(cond)
[18:01:30.366]                 })
[18:01:30.366]             }))
[18:01:30.366]             future::FutureResult(value = ...future.value$value, 
[18:01:30.366]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.366]                   ...future.rng), globalenv = if (FALSE) 
[18:01:30.366]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:30.366]                     ...future.globalenv.names))
[18:01:30.366]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:30.366]         }, condition = base::local({
[18:01:30.366]             c <- base::c
[18:01:30.366]             inherits <- base::inherits
[18:01:30.366]             invokeRestart <- base::invokeRestart
[18:01:30.366]             length <- base::length
[18:01:30.366]             list <- base::list
[18:01:30.366]             seq.int <- base::seq.int
[18:01:30.366]             signalCondition <- base::signalCondition
[18:01:30.366]             sys.calls <- base::sys.calls
[18:01:30.366]             `[[` <- base::`[[`
[18:01:30.366]             `+` <- base::`+`
[18:01:30.366]             `<<-` <- base::`<<-`
[18:01:30.366]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:30.366]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:30.366]                   3L)]
[18:01:30.366]             }
[18:01:30.366]             function(cond) {
[18:01:30.366]                 is_error <- inherits(cond, "error")
[18:01:30.366]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:30.366]                   NULL)
[18:01:30.366]                 if (is_error) {
[18:01:30.366]                   sessionInformation <- function() {
[18:01:30.366]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:30.366]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:30.366]                       search = base::search(), system = base::Sys.info())
[18:01:30.366]                   }
[18:01:30.366]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.366]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:30.366]                     cond$call), session = sessionInformation(), 
[18:01:30.366]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:30.366]                   signalCondition(cond)
[18:01:30.366]                 }
[18:01:30.366]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:30.366]                 "immediateCondition"))) {
[18:01:30.366]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:30.366]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.366]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:30.366]                   if (TRUE && !signal) {
[18:01:30.366]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.366]                     {
[18:01:30.366]                       inherits <- base::inherits
[18:01:30.366]                       invokeRestart <- base::invokeRestart
[18:01:30.366]                       is.null <- base::is.null
[18:01:30.366]                       muffled <- FALSE
[18:01:30.366]                       if (inherits(cond, "message")) {
[18:01:30.366]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.366]                         if (muffled) 
[18:01:30.366]                           invokeRestart("muffleMessage")
[18:01:30.366]                       }
[18:01:30.366]                       else if (inherits(cond, "warning")) {
[18:01:30.366]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.366]                         if (muffled) 
[18:01:30.366]                           invokeRestart("muffleWarning")
[18:01:30.366]                       }
[18:01:30.366]                       else if (inherits(cond, "condition")) {
[18:01:30.366]                         if (!is.null(pattern)) {
[18:01:30.366]                           computeRestarts <- base::computeRestarts
[18:01:30.366]                           grepl <- base::grepl
[18:01:30.366]                           restarts <- computeRestarts(cond)
[18:01:30.366]                           for (restart in restarts) {
[18:01:30.366]                             name <- restart$name
[18:01:30.366]                             if (is.null(name)) 
[18:01:30.366]                               next
[18:01:30.366]                             if (!grepl(pattern, name)) 
[18:01:30.366]                               next
[18:01:30.366]                             invokeRestart(restart)
[18:01:30.366]                             muffled <- TRUE
[18:01:30.366]                             break
[18:01:30.366]                           }
[18:01:30.366]                         }
[18:01:30.366]                       }
[18:01:30.366]                       invisible(muffled)
[18:01:30.366]                     }
[18:01:30.366]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.366]                   }
[18:01:30.366]                 }
[18:01:30.366]                 else {
[18:01:30.366]                   if (TRUE) {
[18:01:30.366]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.366]                     {
[18:01:30.366]                       inherits <- base::inherits
[18:01:30.366]                       invokeRestart <- base::invokeRestart
[18:01:30.366]                       is.null <- base::is.null
[18:01:30.366]                       muffled <- FALSE
[18:01:30.366]                       if (inherits(cond, "message")) {
[18:01:30.366]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.366]                         if (muffled) 
[18:01:30.366]                           invokeRestart("muffleMessage")
[18:01:30.366]                       }
[18:01:30.366]                       else if (inherits(cond, "warning")) {
[18:01:30.366]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.366]                         if (muffled) 
[18:01:30.366]                           invokeRestart("muffleWarning")
[18:01:30.366]                       }
[18:01:30.366]                       else if (inherits(cond, "condition")) {
[18:01:30.366]                         if (!is.null(pattern)) {
[18:01:30.366]                           computeRestarts <- base::computeRestarts
[18:01:30.366]                           grepl <- base::grepl
[18:01:30.366]                           restarts <- computeRestarts(cond)
[18:01:30.366]                           for (restart in restarts) {
[18:01:30.366]                             name <- restart$name
[18:01:30.366]                             if (is.null(name)) 
[18:01:30.366]                               next
[18:01:30.366]                             if (!grepl(pattern, name)) 
[18:01:30.366]                               next
[18:01:30.366]                             invokeRestart(restart)
[18:01:30.366]                             muffled <- TRUE
[18:01:30.366]                             break
[18:01:30.366]                           }
[18:01:30.366]                         }
[18:01:30.366]                       }
[18:01:30.366]                       invisible(muffled)
[18:01:30.366]                     }
[18:01:30.366]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.366]                   }
[18:01:30.366]                 }
[18:01:30.366]             }
[18:01:30.366]         }))
[18:01:30.366]     }, error = function(ex) {
[18:01:30.366]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:30.366]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.366]                 ...future.rng), started = ...future.startTime, 
[18:01:30.366]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:30.366]             version = "1.8"), class = "FutureResult")
[18:01:30.366]     }, finally = {
[18:01:30.366]         if (!identical(...future.workdir, getwd())) 
[18:01:30.366]             setwd(...future.workdir)
[18:01:30.366]         {
[18:01:30.366]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:30.366]                 ...future.oldOptions$nwarnings <- NULL
[18:01:30.366]             }
[18:01:30.366]             base::options(...future.oldOptions)
[18:01:30.366]             if (.Platform$OS.type == "windows") {
[18:01:30.366]                 old_names <- names(...future.oldEnvVars)
[18:01:30.366]                 envs <- base::Sys.getenv()
[18:01:30.366]                 names <- names(envs)
[18:01:30.366]                 common <- intersect(names, old_names)
[18:01:30.366]                 added <- setdiff(names, old_names)
[18:01:30.366]                 removed <- setdiff(old_names, names)
[18:01:30.366]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:30.366]                   envs[common]]
[18:01:30.366]                 NAMES <- toupper(changed)
[18:01:30.366]                 args <- list()
[18:01:30.366]                 for (kk in seq_along(NAMES)) {
[18:01:30.366]                   name <- changed[[kk]]
[18:01:30.366]                   NAME <- NAMES[[kk]]
[18:01:30.366]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.366]                     next
[18:01:30.366]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.366]                 }
[18:01:30.366]                 NAMES <- toupper(added)
[18:01:30.366]                 for (kk in seq_along(NAMES)) {
[18:01:30.366]                   name <- added[[kk]]
[18:01:30.366]                   NAME <- NAMES[[kk]]
[18:01:30.366]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.366]                     next
[18:01:30.366]                   args[[name]] <- ""
[18:01:30.366]                 }
[18:01:30.366]                 NAMES <- toupper(removed)
[18:01:30.366]                 for (kk in seq_along(NAMES)) {
[18:01:30.366]                   name <- removed[[kk]]
[18:01:30.366]                   NAME <- NAMES[[kk]]
[18:01:30.366]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.366]                     next
[18:01:30.366]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.366]                 }
[18:01:30.366]                 if (length(args) > 0) 
[18:01:30.366]                   base::do.call(base::Sys.setenv, args = args)
[18:01:30.366]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:30.366]             }
[18:01:30.366]             else {
[18:01:30.366]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:30.366]             }
[18:01:30.366]             {
[18:01:30.366]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:30.366]                   0L) {
[18:01:30.366]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:30.366]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:30.366]                   base::options(opts)
[18:01:30.366]                 }
[18:01:30.366]                 {
[18:01:30.366]                   {
[18:01:30.366]                     base::options(mc.cores = ...future.mc.cores.old)
[18:01:30.366]                     NULL
[18:01:30.366]                   }
[18:01:30.366]                   options(future.plan = NULL)
[18:01:30.366]                   if (is.na(NA_character_)) 
[18:01:30.366]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.366]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:30.366]                   future::plan(list(function (..., workers = availableCores(), 
[18:01:30.366]                     lazy = FALSE, rscript_libs = .libPaths(), 
[18:01:30.366]                     envir = parent.frame()) 
[18:01:30.366]                   {
[18:01:30.366]                     if (is.function(workers)) 
[18:01:30.366]                       workers <- workers()
[18:01:30.366]                     workers <- structure(as.integer(workers), 
[18:01:30.366]                       class = class(workers))
[18:01:30.366]                     stop_if_not(length(workers) == 1, is.finite(workers), 
[18:01:30.366]                       workers >= 1)
[18:01:30.366]                     if (workers == 1L && !inherits(workers, "AsIs")) {
[18:01:30.366]                       return(sequential(..., lazy = TRUE, envir = envir))
[18:01:30.366]                     }
[18:01:30.366]                     future <- MultisessionFuture(..., workers = workers, 
[18:01:30.366]                       lazy = lazy, rscript_libs = rscript_libs, 
[18:01:30.366]                       envir = envir)
[18:01:30.366]                     if (!future$lazy) 
[18:01:30.366]                       future <- run(future)
[18:01:30.366]                     invisible(future)
[18:01:30.366]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:30.366]                 }
[18:01:30.366]             }
[18:01:30.366]         }
[18:01:30.366]     })
[18:01:30.366]     if (TRUE) {
[18:01:30.366]         base::sink(type = "output", split = FALSE)
[18:01:30.366]         if (TRUE) {
[18:01:30.366]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:30.366]         }
[18:01:30.366]         else {
[18:01:30.366]             ...future.result["stdout"] <- base::list(NULL)
[18:01:30.366]         }
[18:01:30.366]         base::close(...future.stdout)
[18:01:30.366]         ...future.stdout <- NULL
[18:01:30.366]     }
[18:01:30.366]     ...future.result$conditions <- ...future.conditions
[18:01:30.366]     ...future.result$finished <- base::Sys.time()
[18:01:30.366]     ...future.result
[18:01:30.366] }
[18:01:30.371] Exporting 1 global objects (56 bytes) to cluster node #1 ...
[18:01:30.371] Exporting 'a' (56 bytes) to cluster node #1 ...
[18:01:30.372] Exporting 'a' (56 bytes) to cluster node #1 ... DONE
[18:01:30.372] Exporting 1 global objects (56 bytes) to cluster node #1 ... DONE
[18:01:30.372] MultisessionFuture started
[18:01:30.373] - Launch lazy future ... done
[18:01:30.373] run() for 'MultisessionFuture' ... done
[18:01:30.373] result() for ClusterFuture ...
[18:01:30.373] receiveMessageFromWorker() for ClusterFuture ...
[18:01:30.373] - Validating connection of MultisessionFuture
[18:01:30.389] - received message: FutureResult
[18:01:30.390] - Received FutureResult
[18:01:30.390] - Erased future from FutureRegistry
[18:01:30.390] result() for ClusterFuture ...
[18:01:30.390] - result already collected: FutureResult
[18:01:30.390] result() for ClusterFuture ... done
[18:01:30.390] receiveMessageFromWorker() for ClusterFuture ... done
[18:01:30.390] result() for ClusterFuture ... done
[18:01:30.391] result() for ClusterFuture ...
[18:01:30.391] - result already collected: FutureResult
[18:01:30.391] result() for ClusterFuture ... done
[18:01:30.391] getGlobalsAndPackages() ...
[18:01:30.391] Searching for globals...
[18:01:30.392] - globals found: [3] '{', '*', 'a'
[18:01:30.393] Searching for globals ... DONE
[18:01:30.393] Resolving globals: FALSE
[18:01:30.393] The total size of the 1 globals is 56 bytes (56 bytes)
[18:01:30.394] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[18:01:30.394] - globals: [1] 'a'
[18:01:30.394] 
[18:01:30.394] getGlobalsAndPackages() ... DONE
[18:01:30.395] run() for 'Future' ...
[18:01:30.395] - state: 'created'
[18:01:30.395] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[18:01:30.409] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[18:01:30.409] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[18:01:30.409]   - Field: 'node'
[18:01:30.409]   - Field: 'label'
[18:01:30.409]   - Field: 'local'
[18:01:30.410]   - Field: 'owner'
[18:01:30.410]   - Field: 'envir'
[18:01:30.410]   - Field: 'workers'
[18:01:30.410]   - Field: 'packages'
[18:01:30.410]   - Field: 'gc'
[18:01:30.411]   - Field: 'conditions'
[18:01:30.411]   - Field: 'persistent'
[18:01:30.411]   - Field: 'expr'
[18:01:30.411]   - Field: 'uuid'
[18:01:30.411]   - Field: 'seed'
[18:01:30.411]   - Field: 'version'
[18:01:30.412]   - Field: 'result'
[18:01:30.412]   - Field: 'asynchronous'
[18:01:30.412]   - Field: 'calls'
[18:01:30.412]   - Field: 'globals'
[18:01:30.412]   - Field: 'stdout'
[18:01:30.412]   - Field: 'earlySignal'
[18:01:30.413]   - Field: 'lazy'
[18:01:30.413]   - Field: 'state'
[18:01:30.413] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[18:01:30.413] - Launch lazy future ...
[18:01:30.414] Packages needed by the future expression (n = 0): <none>
[18:01:30.414] Packages needed by future strategies (n = 0): <none>
[18:01:30.414] {
[18:01:30.414]     {
[18:01:30.414]         {
[18:01:30.414]             ...future.startTime <- base::Sys.time()
[18:01:30.414]             {
[18:01:30.414]                 {
[18:01:30.414]                   {
[18:01:30.414]                     {
[18:01:30.414]                       base::local({
[18:01:30.414]                         has_future <- base::requireNamespace("future", 
[18:01:30.414]                           quietly = TRUE)
[18:01:30.414]                         if (has_future) {
[18:01:30.414]                           ns <- base::getNamespace("future")
[18:01:30.414]                           version <- ns[[".package"]][["version"]]
[18:01:30.414]                           if (is.null(version)) 
[18:01:30.414]                             version <- utils::packageVersion("future")
[18:01:30.414]                         }
[18:01:30.414]                         else {
[18:01:30.414]                           version <- NULL
[18:01:30.414]                         }
[18:01:30.414]                         if (!has_future || version < "1.8.0") {
[18:01:30.414]                           info <- base::c(r_version = base::gsub("R version ", 
[18:01:30.414]                             "", base::R.version$version.string), 
[18:01:30.414]                             platform = base::sprintf("%s (%s-bit)", 
[18:01:30.414]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:30.414]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:30.414]                               "release", "version")], collapse = " "), 
[18:01:30.414]                             hostname = base::Sys.info()[["nodename"]])
[18:01:30.414]                           info <- base::sprintf("%s: %s", base::names(info), 
[18:01:30.414]                             info)
[18:01:30.414]                           info <- base::paste(info, collapse = "; ")
[18:01:30.414]                           if (!has_future) {
[18:01:30.414]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:30.414]                               info)
[18:01:30.414]                           }
[18:01:30.414]                           else {
[18:01:30.414]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:30.414]                               info, version)
[18:01:30.414]                           }
[18:01:30.414]                           base::stop(msg)
[18:01:30.414]                         }
[18:01:30.414]                       })
[18:01:30.414]                     }
[18:01:30.414]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[18:01:30.414]                     base::options(mc.cores = 1L)
[18:01:30.414]                   }
[18:01:30.414]                   options(future.plan = NULL)
[18:01:30.414]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.414]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:30.414]                 }
[18:01:30.414]                 ...future.workdir <- getwd()
[18:01:30.414]             }
[18:01:30.414]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:30.414]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:30.414]         }
[18:01:30.414]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:30.414]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:30.414]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:30.414]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:30.414]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:30.414]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:30.414]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:30.414]             base::names(...future.oldOptions))
[18:01:30.414]     }
[18:01:30.414]     if (FALSE) {
[18:01:30.414]     }
[18:01:30.414]     else {
[18:01:30.414]         if (TRUE) {
[18:01:30.414]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:30.414]                 open = "w")
[18:01:30.414]         }
[18:01:30.414]         else {
[18:01:30.414]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:30.414]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:30.414]         }
[18:01:30.414]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:30.414]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:30.414]             base::sink(type = "output", split = FALSE)
[18:01:30.414]             base::close(...future.stdout)
[18:01:30.414]         }, add = TRUE)
[18:01:30.414]     }
[18:01:30.414]     ...future.frame <- base::sys.nframe()
[18:01:30.414]     ...future.conditions <- base::list()
[18:01:30.414]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:30.414]     if (FALSE) {
[18:01:30.414]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:30.414]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:30.414]     }
[18:01:30.414]     ...future.result <- base::tryCatch({
[18:01:30.414]         base::withCallingHandlers({
[18:01:30.414]             ...future.value <- base::withVisible(base::local({
[18:01:30.414]                 ...future.makeSendCondition <- local({
[18:01:30.414]                   sendCondition <- NULL
[18:01:30.414]                   function(frame = 1L) {
[18:01:30.414]                     if (is.function(sendCondition)) 
[18:01:30.414]                       return(sendCondition)
[18:01:30.414]                     ns <- getNamespace("parallel")
[18:01:30.414]                     if (exists("sendData", mode = "function", 
[18:01:30.414]                       envir = ns)) {
[18:01:30.414]                       parallel_sendData <- get("sendData", mode = "function", 
[18:01:30.414]                         envir = ns)
[18:01:30.414]                       envir <- sys.frame(frame)
[18:01:30.414]                       master <- NULL
[18:01:30.414]                       while (!identical(envir, .GlobalEnv) && 
[18:01:30.414]                         !identical(envir, emptyenv())) {
[18:01:30.414]                         if (exists("master", mode = "list", envir = envir, 
[18:01:30.414]                           inherits = FALSE)) {
[18:01:30.414]                           master <- get("master", mode = "list", 
[18:01:30.414]                             envir = envir, inherits = FALSE)
[18:01:30.414]                           if (inherits(master, c("SOCKnode", 
[18:01:30.414]                             "SOCK0node"))) {
[18:01:30.414]                             sendCondition <<- function(cond) {
[18:01:30.414]                               data <- list(type = "VALUE", value = cond, 
[18:01:30.414]                                 success = TRUE)
[18:01:30.414]                               parallel_sendData(master, data)
[18:01:30.414]                             }
[18:01:30.414]                             return(sendCondition)
[18:01:30.414]                           }
[18:01:30.414]                         }
[18:01:30.414]                         frame <- frame + 1L
[18:01:30.414]                         envir <- sys.frame(frame)
[18:01:30.414]                       }
[18:01:30.414]                     }
[18:01:30.414]                     sendCondition <<- function(cond) NULL
[18:01:30.414]                   }
[18:01:30.414]                 })
[18:01:30.414]                 withCallingHandlers({
[18:01:30.414]                   {
[18:01:30.414]                     2 * a
[18:01:30.414]                   }
[18:01:30.414]                 }, immediateCondition = function(cond) {
[18:01:30.414]                   sendCondition <- ...future.makeSendCondition()
[18:01:30.414]                   sendCondition(cond)
[18:01:30.414]                   muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.414]                   {
[18:01:30.414]                     inherits <- base::inherits
[18:01:30.414]                     invokeRestart <- base::invokeRestart
[18:01:30.414]                     is.null <- base::is.null
[18:01:30.414]                     muffled <- FALSE
[18:01:30.414]                     if (inherits(cond, "message")) {
[18:01:30.414]                       muffled <- grepl(pattern, "muffleMessage")
[18:01:30.414]                       if (muffled) 
[18:01:30.414]                         invokeRestart("muffleMessage")
[18:01:30.414]                     }
[18:01:30.414]                     else if (inherits(cond, "warning")) {
[18:01:30.414]                       muffled <- grepl(pattern, "muffleWarning")
[18:01:30.414]                       if (muffled) 
[18:01:30.414]                         invokeRestart("muffleWarning")
[18:01:30.414]                     }
[18:01:30.414]                     else if (inherits(cond, "condition")) {
[18:01:30.414]                       if (!is.null(pattern)) {
[18:01:30.414]                         computeRestarts <- base::computeRestarts
[18:01:30.414]                         grepl <- base::grepl
[18:01:30.414]                         restarts <- computeRestarts(cond)
[18:01:30.414]                         for (restart in restarts) {
[18:01:30.414]                           name <- restart$name
[18:01:30.414]                           if (is.null(name)) 
[18:01:30.414]                             next
[18:01:30.414]                           if (!grepl(pattern, name)) 
[18:01:30.414]                             next
[18:01:30.414]                           invokeRestart(restart)
[18:01:30.414]                           muffled <- TRUE
[18:01:30.414]                           break
[18:01:30.414]                         }
[18:01:30.414]                       }
[18:01:30.414]                     }
[18:01:30.414]                     invisible(muffled)
[18:01:30.414]                   }
[18:01:30.414]                   muffleCondition(cond)
[18:01:30.414]                 })
[18:01:30.414]             }))
[18:01:30.414]             future::FutureResult(value = ...future.value$value, 
[18:01:30.414]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.414]                   ...future.rng), globalenv = if (FALSE) 
[18:01:30.414]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:30.414]                     ...future.globalenv.names))
[18:01:30.414]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:30.414]         }, condition = base::local({
[18:01:30.414]             c <- base::c
[18:01:30.414]             inherits <- base::inherits
[18:01:30.414]             invokeRestart <- base::invokeRestart
[18:01:30.414]             length <- base::length
[18:01:30.414]             list <- base::list
[18:01:30.414]             seq.int <- base::seq.int
[18:01:30.414]             signalCondition <- base::signalCondition
[18:01:30.414]             sys.calls <- base::sys.calls
[18:01:30.414]             `[[` <- base::`[[`
[18:01:30.414]             `+` <- base::`+`
[18:01:30.414]             `<<-` <- base::`<<-`
[18:01:30.414]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:30.414]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:30.414]                   3L)]
[18:01:30.414]             }
[18:01:30.414]             function(cond) {
[18:01:30.414]                 is_error <- inherits(cond, "error")
[18:01:30.414]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:30.414]                   NULL)
[18:01:30.414]                 if (is_error) {
[18:01:30.414]                   sessionInformation <- function() {
[18:01:30.414]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:30.414]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:30.414]                       search = base::search(), system = base::Sys.info())
[18:01:30.414]                   }
[18:01:30.414]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.414]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:30.414]                     cond$call), session = sessionInformation(), 
[18:01:30.414]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:30.414]                   signalCondition(cond)
[18:01:30.414]                 }
[18:01:30.414]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:30.414]                 "immediateCondition"))) {
[18:01:30.414]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:30.414]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.414]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:30.414]                   if (TRUE && !signal) {
[18:01:30.414]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.414]                     {
[18:01:30.414]                       inherits <- base::inherits
[18:01:30.414]                       invokeRestart <- base::invokeRestart
[18:01:30.414]                       is.null <- base::is.null
[18:01:30.414]                       muffled <- FALSE
[18:01:30.414]                       if (inherits(cond, "message")) {
[18:01:30.414]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.414]                         if (muffled) 
[18:01:30.414]                           invokeRestart("muffleMessage")
[18:01:30.414]                       }
[18:01:30.414]                       else if (inherits(cond, "warning")) {
[18:01:30.414]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.414]                         if (muffled) 
[18:01:30.414]                           invokeRestart("muffleWarning")
[18:01:30.414]                       }
[18:01:30.414]                       else if (inherits(cond, "condition")) {
[18:01:30.414]                         if (!is.null(pattern)) {
[18:01:30.414]                           computeRestarts <- base::computeRestarts
[18:01:30.414]                           grepl <- base::grepl
[18:01:30.414]                           restarts <- computeRestarts(cond)
[18:01:30.414]                           for (restart in restarts) {
[18:01:30.414]                             name <- restart$name
[18:01:30.414]                             if (is.null(name)) 
[18:01:30.414]                               next
[18:01:30.414]                             if (!grepl(pattern, name)) 
[18:01:30.414]                               next
[18:01:30.414]                             invokeRestart(restart)
[18:01:30.414]                             muffled <- TRUE
[18:01:30.414]                             break
[18:01:30.414]                           }
[18:01:30.414]                         }
[18:01:30.414]                       }
[18:01:30.414]                       invisible(muffled)
[18:01:30.414]                     }
[18:01:30.414]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.414]                   }
[18:01:30.414]                 }
[18:01:30.414]                 else {
[18:01:30.414]                   if (TRUE) {
[18:01:30.414]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.414]                     {
[18:01:30.414]                       inherits <- base::inherits
[18:01:30.414]                       invokeRestart <- base::invokeRestart
[18:01:30.414]                       is.null <- base::is.null
[18:01:30.414]                       muffled <- FALSE
[18:01:30.414]                       if (inherits(cond, "message")) {
[18:01:30.414]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.414]                         if (muffled) 
[18:01:30.414]                           invokeRestart("muffleMessage")
[18:01:30.414]                       }
[18:01:30.414]                       else if (inherits(cond, "warning")) {
[18:01:30.414]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.414]                         if (muffled) 
[18:01:30.414]                           invokeRestart("muffleWarning")
[18:01:30.414]                       }
[18:01:30.414]                       else if (inherits(cond, "condition")) {
[18:01:30.414]                         if (!is.null(pattern)) {
[18:01:30.414]                           computeRestarts <- base::computeRestarts
[18:01:30.414]                           grepl <- base::grepl
[18:01:30.414]                           restarts <- computeRestarts(cond)
[18:01:30.414]                           for (restart in restarts) {
[18:01:30.414]                             name <- restart$name
[18:01:30.414]                             if (is.null(name)) 
[18:01:30.414]                               next
[18:01:30.414]                             if (!grepl(pattern, name)) 
[18:01:30.414]                               next
[18:01:30.414]                             invokeRestart(restart)
[18:01:30.414]                             muffled <- TRUE
[18:01:30.414]                             break
[18:01:30.414]                           }
[18:01:30.414]                         }
[18:01:30.414]                       }
[18:01:30.414]                       invisible(muffled)
[18:01:30.414]                     }
[18:01:30.414]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.414]                   }
[18:01:30.414]                 }
[18:01:30.414]             }
[18:01:30.414]         }))
[18:01:30.414]     }, error = function(ex) {
[18:01:30.414]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:30.414]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.414]                 ...future.rng), started = ...future.startTime, 
[18:01:30.414]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:30.414]             version = "1.8"), class = "FutureResult")
[18:01:30.414]     }, finally = {
[18:01:30.414]         if (!identical(...future.workdir, getwd())) 
[18:01:30.414]             setwd(...future.workdir)
[18:01:30.414]         {
[18:01:30.414]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:30.414]                 ...future.oldOptions$nwarnings <- NULL
[18:01:30.414]             }
[18:01:30.414]             base::options(...future.oldOptions)
[18:01:30.414]             if (.Platform$OS.type == "windows") {
[18:01:30.414]                 old_names <- names(...future.oldEnvVars)
[18:01:30.414]                 envs <- base::Sys.getenv()
[18:01:30.414]                 names <- names(envs)
[18:01:30.414]                 common <- intersect(names, old_names)
[18:01:30.414]                 added <- setdiff(names, old_names)
[18:01:30.414]                 removed <- setdiff(old_names, names)
[18:01:30.414]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:30.414]                   envs[common]]
[18:01:30.414]                 NAMES <- toupper(changed)
[18:01:30.414]                 args <- list()
[18:01:30.414]                 for (kk in seq_along(NAMES)) {
[18:01:30.414]                   name <- changed[[kk]]
[18:01:30.414]                   NAME <- NAMES[[kk]]
[18:01:30.414]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.414]                     next
[18:01:30.414]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.414]                 }
[18:01:30.414]                 NAMES <- toupper(added)
[18:01:30.414]                 for (kk in seq_along(NAMES)) {
[18:01:30.414]                   name <- added[[kk]]
[18:01:30.414]                   NAME <- NAMES[[kk]]
[18:01:30.414]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.414]                     next
[18:01:30.414]                   args[[name]] <- ""
[18:01:30.414]                 }
[18:01:30.414]                 NAMES <- toupper(removed)
[18:01:30.414]                 for (kk in seq_along(NAMES)) {
[18:01:30.414]                   name <- removed[[kk]]
[18:01:30.414]                   NAME <- NAMES[[kk]]
[18:01:30.414]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.414]                     next
[18:01:30.414]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.414]                 }
[18:01:30.414]                 if (length(args) > 0) 
[18:01:30.414]                   base::do.call(base::Sys.setenv, args = args)
[18:01:30.414]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:30.414]             }
[18:01:30.414]             else {
[18:01:30.414]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:30.414]             }
[18:01:30.414]             {
[18:01:30.414]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:30.414]                   0L) {
[18:01:30.414]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:30.414]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:30.414]                   base::options(opts)
[18:01:30.414]                 }
[18:01:30.414]                 {
[18:01:30.414]                   {
[18:01:30.414]                     base::options(mc.cores = ...future.mc.cores.old)
[18:01:30.414]                     NULL
[18:01:30.414]                   }
[18:01:30.414]                   options(future.plan = NULL)
[18:01:30.414]                   if (is.na(NA_character_)) 
[18:01:30.414]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.414]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:30.414]                   future::plan(list(function (..., workers = availableCores(), 
[18:01:30.414]                     lazy = FALSE, rscript_libs = .libPaths(), 
[18:01:30.414]                     envir = parent.frame()) 
[18:01:30.414]                   {
[18:01:30.414]                     if (is.function(workers)) 
[18:01:30.414]                       workers <- workers()
[18:01:30.414]                     workers <- structure(as.integer(workers), 
[18:01:30.414]                       class = class(workers))
[18:01:30.414]                     stop_if_not(length(workers) == 1, is.finite(workers), 
[18:01:30.414]                       workers >= 1)
[18:01:30.414]                     if (workers == 1L && !inherits(workers, "AsIs")) {
[18:01:30.414]                       return(sequential(..., lazy = TRUE, envir = envir))
[18:01:30.414]                     }
[18:01:30.414]                     future <- MultisessionFuture(..., workers = workers, 
[18:01:30.414]                       lazy = lazy, rscript_libs = rscript_libs, 
[18:01:30.414]                       envir = envir)
[18:01:30.414]                     if (!future$lazy) 
[18:01:30.414]                       future <- run(future)
[18:01:30.414]                     invisible(future)
[18:01:30.414]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:30.414]                 }
[18:01:30.414]             }
[18:01:30.414]         }
[18:01:30.414]     })
[18:01:30.414]     if (TRUE) {
[18:01:30.414]         base::sink(type = "output", split = FALSE)
[18:01:30.414]         if (TRUE) {
[18:01:30.414]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:30.414]         }
[18:01:30.414]         else {
[18:01:30.414]             ...future.result["stdout"] <- base::list(NULL)
[18:01:30.414]         }
[18:01:30.414]         base::close(...future.stdout)
[18:01:30.414]         ...future.stdout <- NULL
[18:01:30.414]     }
[18:01:30.414]     ...future.result$conditions <- ...future.conditions
[18:01:30.414]     ...future.result$finished <- base::Sys.time()
[18:01:30.414]     ...future.result
[18:01:30.414] }
[18:01:30.420] Exporting 1 global objects (56 bytes) to cluster node #1 ...
[18:01:30.420] Exporting 'a' (56 bytes) to cluster node #1 ...
[18:01:30.420] Exporting 'a' (56 bytes) to cluster node #1 ... DONE
[18:01:30.420] Exporting 1 global objects (56 bytes) to cluster node #1 ... DONE
[18:01:30.421] MultisessionFuture started
[18:01:30.422] - Launch lazy future ... done
[18:01:30.422] run() for 'MultisessionFuture' ... done
[18:01:30.422] result() for ClusterFuture ...
[18:01:30.422] receiveMessageFromWorker() for ClusterFuture ...
[18:01:30.422] - Validating connection of MultisessionFuture
[18:01:30.437] - received message: FutureResult
[18:01:30.437] - Received FutureResult
[18:01:30.437] - Erased future from FutureRegistry
[18:01:30.438] result() for ClusterFuture ...
[18:01:30.438] - result already collected: FutureResult
[18:01:30.438] result() for ClusterFuture ... done
[18:01:30.438] receiveMessageFromWorker() for ClusterFuture ... done
[18:01:30.438] result() for ClusterFuture ... done
[18:01:30.438] result() for ClusterFuture ...
[18:01:30.439] - result already collected: FutureResult
[18:01:30.439] result() for ClusterFuture ... done
[18:01:30.439] getGlobalsAndPackages() ...
[18:01:30.439] Searching for globals...
[18:01:30.440] - globals found: [3] '{', '*', 'a'
[18:01:30.440] Searching for globals ... DONE
[18:01:30.441] Resolving globals: FALSE
[18:01:30.441] The total size of the 1 globals is 56 bytes (56 bytes)
[18:01:30.441] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[18:01:30.442] - globals: [1] 'a'
[18:01:30.442] 
[18:01:30.442] getGlobalsAndPackages() ... DONE
[18:01:30.442] run() for 'Future' ...
[18:01:30.443] - state: 'created'
[18:01:30.443] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[18:01:30.457] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[18:01:30.457] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[18:01:30.457]   - Field: 'node'
[18:01:30.457]   - Field: 'label'
[18:01:30.457]   - Field: 'local'
[18:01:30.458]   - Field: 'owner'
[18:01:30.458]   - Field: 'envir'
[18:01:30.458]   - Field: 'workers'
[18:01:30.458]   - Field: 'packages'
[18:01:30.458]   - Field: 'gc'
[18:01:30.459]   - Field: 'conditions'
[18:01:30.459]   - Field: 'persistent'
[18:01:30.459]   - Field: 'expr'
[18:01:30.459]   - Field: 'uuid'
[18:01:30.459]   - Field: 'seed'
[18:01:30.459]   - Field: 'version'
[18:01:30.460]   - Field: 'result'
[18:01:30.460]   - Field: 'asynchronous'
[18:01:30.460]   - Field: 'calls'
[18:01:30.460]   - Field: 'globals'
[18:01:30.460]   - Field: 'stdout'
[18:01:30.461]   - Field: 'earlySignal'
[18:01:30.461]   - Field: 'lazy'
[18:01:30.461]   - Field: 'state'
[18:01:30.461] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[18:01:30.461] - Launch lazy future ...
[18:01:30.462] Packages needed by the future expression (n = 0): <none>
[18:01:30.462] Packages needed by future strategies (n = 0): <none>
[18:01:30.462] {
[18:01:30.462]     {
[18:01:30.462]         {
[18:01:30.462]             ...future.startTime <- base::Sys.time()
[18:01:30.462]             {
[18:01:30.462]                 {
[18:01:30.462]                   {
[18:01:30.462]                     {
[18:01:30.462]                       base::local({
[18:01:30.462]                         has_future <- base::requireNamespace("future", 
[18:01:30.462]                           quietly = TRUE)
[18:01:30.462]                         if (has_future) {
[18:01:30.462]                           ns <- base::getNamespace("future")
[18:01:30.462]                           version <- ns[[".package"]][["version"]]
[18:01:30.462]                           if (is.null(version)) 
[18:01:30.462]                             version <- utils::packageVersion("future")
[18:01:30.462]                         }
[18:01:30.462]                         else {
[18:01:30.462]                           version <- NULL
[18:01:30.462]                         }
[18:01:30.462]                         if (!has_future || version < "1.8.0") {
[18:01:30.462]                           info <- base::c(r_version = base::gsub("R version ", 
[18:01:30.462]                             "", base::R.version$version.string), 
[18:01:30.462]                             platform = base::sprintf("%s (%s-bit)", 
[18:01:30.462]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:30.462]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:30.462]                               "release", "version")], collapse = " "), 
[18:01:30.462]                             hostname = base::Sys.info()[["nodename"]])
[18:01:30.462]                           info <- base::sprintf("%s: %s", base::names(info), 
[18:01:30.462]                             info)
[18:01:30.462]                           info <- base::paste(info, collapse = "; ")
[18:01:30.462]                           if (!has_future) {
[18:01:30.462]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:30.462]                               info)
[18:01:30.462]                           }
[18:01:30.462]                           else {
[18:01:30.462]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:30.462]                               info, version)
[18:01:30.462]                           }
[18:01:30.462]                           base::stop(msg)
[18:01:30.462]                         }
[18:01:30.462]                       })
[18:01:30.462]                     }
[18:01:30.462]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[18:01:30.462]                     base::options(mc.cores = 1L)
[18:01:30.462]                   }
[18:01:30.462]                   options(future.plan = NULL)
[18:01:30.462]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.462]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:30.462]                 }
[18:01:30.462]                 ...future.workdir <- getwd()
[18:01:30.462]             }
[18:01:30.462]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:30.462]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:30.462]         }
[18:01:30.462]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:30.462]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:30.462]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:30.462]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:30.462]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:30.462]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:30.462]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:30.462]             base::names(...future.oldOptions))
[18:01:30.462]     }
[18:01:30.462]     if (FALSE) {
[18:01:30.462]     }
[18:01:30.462]     else {
[18:01:30.462]         if (TRUE) {
[18:01:30.462]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:30.462]                 open = "w")
[18:01:30.462]         }
[18:01:30.462]         else {
[18:01:30.462]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:30.462]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:30.462]         }
[18:01:30.462]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:30.462]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:30.462]             base::sink(type = "output", split = FALSE)
[18:01:30.462]             base::close(...future.stdout)
[18:01:30.462]         }, add = TRUE)
[18:01:30.462]     }
[18:01:30.462]     ...future.frame <- base::sys.nframe()
[18:01:30.462]     ...future.conditions <- base::list()
[18:01:30.462]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:30.462]     if (FALSE) {
[18:01:30.462]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:30.462]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:30.462]     }
[18:01:30.462]     ...future.result <- base::tryCatch({
[18:01:30.462]         base::withCallingHandlers({
[18:01:30.462]             ...future.value <- base::withVisible(base::local({
[18:01:30.462]                 ...future.makeSendCondition <- local({
[18:01:30.462]                   sendCondition <- NULL
[18:01:30.462]                   function(frame = 1L) {
[18:01:30.462]                     if (is.function(sendCondition)) 
[18:01:30.462]                       return(sendCondition)
[18:01:30.462]                     ns <- getNamespace("parallel")
[18:01:30.462]                     if (exists("sendData", mode = "function", 
[18:01:30.462]                       envir = ns)) {
[18:01:30.462]                       parallel_sendData <- get("sendData", mode = "function", 
[18:01:30.462]                         envir = ns)
[18:01:30.462]                       envir <- sys.frame(frame)
[18:01:30.462]                       master <- NULL
[18:01:30.462]                       while (!identical(envir, .GlobalEnv) && 
[18:01:30.462]                         !identical(envir, emptyenv())) {
[18:01:30.462]                         if (exists("master", mode = "list", envir = envir, 
[18:01:30.462]                           inherits = FALSE)) {
[18:01:30.462]                           master <- get("master", mode = "list", 
[18:01:30.462]                             envir = envir, inherits = FALSE)
[18:01:30.462]                           if (inherits(master, c("SOCKnode", 
[18:01:30.462]                             "SOCK0node"))) {
[18:01:30.462]                             sendCondition <<- function(cond) {
[18:01:30.462]                               data <- list(type = "VALUE", value = cond, 
[18:01:30.462]                                 success = TRUE)
[18:01:30.462]                               parallel_sendData(master, data)
[18:01:30.462]                             }
[18:01:30.462]                             return(sendCondition)
[18:01:30.462]                           }
[18:01:30.462]                         }
[18:01:30.462]                         frame <- frame + 1L
[18:01:30.462]                         envir <- sys.frame(frame)
[18:01:30.462]                       }
[18:01:30.462]                     }
[18:01:30.462]                     sendCondition <<- function(cond) NULL
[18:01:30.462]                   }
[18:01:30.462]                 })
[18:01:30.462]                 withCallingHandlers({
[18:01:30.462]                   {
[18:01:30.462]                     2 * a
[18:01:30.462]                   }
[18:01:30.462]                 }, immediateCondition = function(cond) {
[18:01:30.462]                   sendCondition <- ...future.makeSendCondition()
[18:01:30.462]                   sendCondition(cond)
[18:01:30.462]                   muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.462]                   {
[18:01:30.462]                     inherits <- base::inherits
[18:01:30.462]                     invokeRestart <- base::invokeRestart
[18:01:30.462]                     is.null <- base::is.null
[18:01:30.462]                     muffled <- FALSE
[18:01:30.462]                     if (inherits(cond, "message")) {
[18:01:30.462]                       muffled <- grepl(pattern, "muffleMessage")
[18:01:30.462]                       if (muffled) 
[18:01:30.462]                         invokeRestart("muffleMessage")
[18:01:30.462]                     }
[18:01:30.462]                     else if (inherits(cond, "warning")) {
[18:01:30.462]                       muffled <- grepl(pattern, "muffleWarning")
[18:01:30.462]                       if (muffled) 
[18:01:30.462]                         invokeRestart("muffleWarning")
[18:01:30.462]                     }
[18:01:30.462]                     else if (inherits(cond, "condition")) {
[18:01:30.462]                       if (!is.null(pattern)) {
[18:01:30.462]                         computeRestarts <- base::computeRestarts
[18:01:30.462]                         grepl <- base::grepl
[18:01:30.462]                         restarts <- computeRestarts(cond)
[18:01:30.462]                         for (restart in restarts) {
[18:01:30.462]                           name <- restart$name
[18:01:30.462]                           if (is.null(name)) 
[18:01:30.462]                             next
[18:01:30.462]                           if (!grepl(pattern, name)) 
[18:01:30.462]                             next
[18:01:30.462]                           invokeRestart(restart)
[18:01:30.462]                           muffled <- TRUE
[18:01:30.462]                           break
[18:01:30.462]                         }
[18:01:30.462]                       }
[18:01:30.462]                     }
[18:01:30.462]                     invisible(muffled)
[18:01:30.462]                   }
[18:01:30.462]                   muffleCondition(cond)
[18:01:30.462]                 })
[18:01:30.462]             }))
[18:01:30.462]             future::FutureResult(value = ...future.value$value, 
[18:01:30.462]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.462]                   ...future.rng), globalenv = if (FALSE) 
[18:01:30.462]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:30.462]                     ...future.globalenv.names))
[18:01:30.462]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:30.462]         }, condition = base::local({
[18:01:30.462]             c <- base::c
[18:01:30.462]             inherits <- base::inherits
[18:01:30.462]             invokeRestart <- base::invokeRestart
[18:01:30.462]             length <- base::length
[18:01:30.462]             list <- base::list
[18:01:30.462]             seq.int <- base::seq.int
[18:01:30.462]             signalCondition <- base::signalCondition
[18:01:30.462]             sys.calls <- base::sys.calls
[18:01:30.462]             `[[` <- base::`[[`
[18:01:30.462]             `+` <- base::`+`
[18:01:30.462]             `<<-` <- base::`<<-`
[18:01:30.462]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:30.462]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:30.462]                   3L)]
[18:01:30.462]             }
[18:01:30.462]             function(cond) {
[18:01:30.462]                 is_error <- inherits(cond, "error")
[18:01:30.462]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:30.462]                   NULL)
[18:01:30.462]                 if (is_error) {
[18:01:30.462]                   sessionInformation <- function() {
[18:01:30.462]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:30.462]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:30.462]                       search = base::search(), system = base::Sys.info())
[18:01:30.462]                   }
[18:01:30.462]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.462]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:30.462]                     cond$call), session = sessionInformation(), 
[18:01:30.462]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:30.462]                   signalCondition(cond)
[18:01:30.462]                 }
[18:01:30.462]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:30.462]                 "immediateCondition"))) {
[18:01:30.462]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:30.462]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.462]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:30.462]                   if (TRUE && !signal) {
[18:01:30.462]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.462]                     {
[18:01:30.462]                       inherits <- base::inherits
[18:01:30.462]                       invokeRestart <- base::invokeRestart
[18:01:30.462]                       is.null <- base::is.null
[18:01:30.462]                       muffled <- FALSE
[18:01:30.462]                       if (inherits(cond, "message")) {
[18:01:30.462]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.462]                         if (muffled) 
[18:01:30.462]                           invokeRestart("muffleMessage")
[18:01:30.462]                       }
[18:01:30.462]                       else if (inherits(cond, "warning")) {
[18:01:30.462]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.462]                         if (muffled) 
[18:01:30.462]                           invokeRestart("muffleWarning")
[18:01:30.462]                       }
[18:01:30.462]                       else if (inherits(cond, "condition")) {
[18:01:30.462]                         if (!is.null(pattern)) {
[18:01:30.462]                           computeRestarts <- base::computeRestarts
[18:01:30.462]                           grepl <- base::grepl
[18:01:30.462]                           restarts <- computeRestarts(cond)
[18:01:30.462]                           for (restart in restarts) {
[18:01:30.462]                             name <- restart$name
[18:01:30.462]                             if (is.null(name)) 
[18:01:30.462]                               next
[18:01:30.462]                             if (!grepl(pattern, name)) 
[18:01:30.462]                               next
[18:01:30.462]                             invokeRestart(restart)
[18:01:30.462]                             muffled <- TRUE
[18:01:30.462]                             break
[18:01:30.462]                           }
[18:01:30.462]                         }
[18:01:30.462]                       }
[18:01:30.462]                       invisible(muffled)
[18:01:30.462]                     }
[18:01:30.462]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.462]                   }
[18:01:30.462]                 }
[18:01:30.462]                 else {
[18:01:30.462]                   if (TRUE) {
[18:01:30.462]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.462]                     {
[18:01:30.462]                       inherits <- base::inherits
[18:01:30.462]                       invokeRestart <- base::invokeRestart
[18:01:30.462]                       is.null <- base::is.null
[18:01:30.462]                       muffled <- FALSE
[18:01:30.462]                       if (inherits(cond, "message")) {
[18:01:30.462]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.462]                         if (muffled) 
[18:01:30.462]                           invokeRestart("muffleMessage")
[18:01:30.462]                       }
[18:01:30.462]                       else if (inherits(cond, "warning")) {
[18:01:30.462]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.462]                         if (muffled) 
[18:01:30.462]                           invokeRestart("muffleWarning")
[18:01:30.462]                       }
[18:01:30.462]                       else if (inherits(cond, "condition")) {
[18:01:30.462]                         if (!is.null(pattern)) {
[18:01:30.462]                           computeRestarts <- base::computeRestarts
[18:01:30.462]                           grepl <- base::grepl
[18:01:30.462]                           restarts <- computeRestarts(cond)
[18:01:30.462]                           for (restart in restarts) {
[18:01:30.462]                             name <- restart$name
[18:01:30.462]                             if (is.null(name)) 
[18:01:30.462]                               next
[18:01:30.462]                             if (!grepl(pattern, name)) 
[18:01:30.462]                               next
[18:01:30.462]                             invokeRestart(restart)
[18:01:30.462]                             muffled <- TRUE
[18:01:30.462]                             break
[18:01:30.462]                           }
[18:01:30.462]                         }
[18:01:30.462]                       }
[18:01:30.462]                       invisible(muffled)
[18:01:30.462]                     }
[18:01:30.462]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.462]                   }
[18:01:30.462]                 }
[18:01:30.462]             }
[18:01:30.462]         }))
[18:01:30.462]     }, error = function(ex) {
[18:01:30.462]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:30.462]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.462]                 ...future.rng), started = ...future.startTime, 
[18:01:30.462]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:30.462]             version = "1.8"), class = "FutureResult")
[18:01:30.462]     }, finally = {
[18:01:30.462]         if (!identical(...future.workdir, getwd())) 
[18:01:30.462]             setwd(...future.workdir)
[18:01:30.462]         {
[18:01:30.462]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:30.462]                 ...future.oldOptions$nwarnings <- NULL
[18:01:30.462]             }
[18:01:30.462]             base::options(...future.oldOptions)
[18:01:30.462]             if (.Platform$OS.type == "windows") {
[18:01:30.462]                 old_names <- names(...future.oldEnvVars)
[18:01:30.462]                 envs <- base::Sys.getenv()
[18:01:30.462]                 names <- names(envs)
[18:01:30.462]                 common <- intersect(names, old_names)
[18:01:30.462]                 added <- setdiff(names, old_names)
[18:01:30.462]                 removed <- setdiff(old_names, names)
[18:01:30.462]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:30.462]                   envs[common]]
[18:01:30.462]                 NAMES <- toupper(changed)
[18:01:30.462]                 args <- list()
[18:01:30.462]                 for (kk in seq_along(NAMES)) {
[18:01:30.462]                   name <- changed[[kk]]
[18:01:30.462]                   NAME <- NAMES[[kk]]
[18:01:30.462]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.462]                     next
[18:01:30.462]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.462]                 }
[18:01:30.462]                 NAMES <- toupper(added)
[18:01:30.462]                 for (kk in seq_along(NAMES)) {
[18:01:30.462]                   name <- added[[kk]]
[18:01:30.462]                   NAME <- NAMES[[kk]]
[18:01:30.462]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.462]                     next
[18:01:30.462]                   args[[name]] <- ""
[18:01:30.462]                 }
[18:01:30.462]                 NAMES <- toupper(removed)
[18:01:30.462]                 for (kk in seq_along(NAMES)) {
[18:01:30.462]                   name <- removed[[kk]]
[18:01:30.462]                   NAME <- NAMES[[kk]]
[18:01:30.462]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.462]                     next
[18:01:30.462]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.462]                 }
[18:01:30.462]                 if (length(args) > 0) 
[18:01:30.462]                   base::do.call(base::Sys.setenv, args = args)
[18:01:30.462]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:30.462]             }
[18:01:30.462]             else {
[18:01:30.462]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:30.462]             }
[18:01:30.462]             {
[18:01:30.462]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:30.462]                   0L) {
[18:01:30.462]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:30.462]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:30.462]                   base::options(opts)
[18:01:30.462]                 }
[18:01:30.462]                 {
[18:01:30.462]                   {
[18:01:30.462]                     base::options(mc.cores = ...future.mc.cores.old)
[18:01:30.462]                     NULL
[18:01:30.462]                   }
[18:01:30.462]                   options(future.plan = NULL)
[18:01:30.462]                   if (is.na(NA_character_)) 
[18:01:30.462]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.462]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:30.462]                   future::plan(list(function (..., workers = availableCores(), 
[18:01:30.462]                     lazy = FALSE, rscript_libs = .libPaths(), 
[18:01:30.462]                     envir = parent.frame()) 
[18:01:30.462]                   {
[18:01:30.462]                     if (is.function(workers)) 
[18:01:30.462]                       workers <- workers()
[18:01:30.462]                     workers <- structure(as.integer(workers), 
[18:01:30.462]                       class = class(workers))
[18:01:30.462]                     stop_if_not(length(workers) == 1, is.finite(workers), 
[18:01:30.462]                       workers >= 1)
[18:01:30.462]                     if (workers == 1L && !inherits(workers, "AsIs")) {
[18:01:30.462]                       return(sequential(..., lazy = TRUE, envir = envir))
[18:01:30.462]                     }
[18:01:30.462]                     future <- MultisessionFuture(..., workers = workers, 
[18:01:30.462]                       lazy = lazy, rscript_libs = rscript_libs, 
[18:01:30.462]                       envir = envir)
[18:01:30.462]                     if (!future$lazy) 
[18:01:30.462]                       future <- run(future)
[18:01:30.462]                     invisible(future)
[18:01:30.462]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:30.462]                 }
[18:01:30.462]             }
[18:01:30.462]         }
[18:01:30.462]     })
[18:01:30.462]     if (TRUE) {
[18:01:30.462]         base::sink(type = "output", split = FALSE)
[18:01:30.462]         if (TRUE) {
[18:01:30.462]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:30.462]         }
[18:01:30.462]         else {
[18:01:30.462]             ...future.result["stdout"] <- base::list(NULL)
[18:01:30.462]         }
[18:01:30.462]         base::close(...future.stdout)
[18:01:30.462]         ...future.stdout <- NULL
[18:01:30.462]     }
[18:01:30.462]     ...future.result$conditions <- ...future.conditions
[18:01:30.462]     ...future.result$finished <- base::Sys.time()
[18:01:30.462]     ...future.result
[18:01:30.462] }
[18:01:30.468] Exporting 1 global objects (56 bytes) to cluster node #1 ...
[18:01:30.468] Exporting 'a' (56 bytes) to cluster node #1 ...
[18:01:30.468] Exporting 'a' (56 bytes) to cluster node #1 ... DONE
[18:01:30.469] Exporting 1 global objects (56 bytes) to cluster node #1 ... DONE
[18:01:30.469] MultisessionFuture started
[18:01:30.469] - Launch lazy future ... done
[18:01:30.470] run() for 'MultisessionFuture' ... done
[18:01:30.470] result() for ClusterFuture ...
[18:01:30.470] receiveMessageFromWorker() for ClusterFuture ...
[18:01:30.470] - Validating connection of MultisessionFuture
[18:01:30.486] - received message: FutureResult
[18:01:30.486] - Received FutureResult
[18:01:30.486] - Erased future from FutureRegistry
[18:01:30.487] result() for ClusterFuture ...
[18:01:30.487] - result already collected: FutureResult
[18:01:30.487] result() for ClusterFuture ... done
[18:01:30.487] receiveMessageFromWorker() for ClusterFuture ... done
[18:01:30.487] result() for ClusterFuture ... done
[18:01:30.487] result() for ClusterFuture ...
[18:01:30.488] - result already collected: FutureResult
[18:01:30.488] result() for ClusterFuture ... done
[18:01:30.488] getGlobalsAndPackages() ...
[18:01:30.488] Searching for globals...
[18:01:30.489] - globals found: [3] '{', '*', 'a'
[18:01:30.489] Searching for globals ... DONE
[18:01:30.490] Resolving globals: FALSE
[18:01:30.490] The total size of the 1 globals is 56 bytes (56 bytes)
[18:01:30.491] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[18:01:30.491] - globals: [1] 'a'
[18:01:30.491] 
[18:01:30.491] getGlobalsAndPackages() ... DONE
[18:01:30.491] run() for 'Future' ...
[18:01:30.492] - state: 'created'
[18:01:30.492] - Future backend: 'FutureStrategy', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[18:01:30.506] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[18:01:30.506] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[18:01:30.506]   - Field: 'node'
[18:01:30.506]   - Field: 'label'
[18:01:30.506]   - Field: 'local'
[18:01:30.507]   - Field: 'owner'
[18:01:30.507]   - Field: 'envir'
[18:01:30.507]   - Field: 'workers'
[18:01:30.507]   - Field: 'packages'
[18:01:30.507]   - Field: 'gc'
[18:01:30.507]   - Field: 'conditions'
[18:01:30.508]   - Field: 'persistent'
[18:01:30.508]   - Field: 'expr'
[18:01:30.508]   - Field: 'uuid'
[18:01:30.508]   - Field: 'seed'
[18:01:30.508]   - Field: 'version'
[18:01:30.508]   - Field: 'result'
[18:01:30.509]   - Field: 'asynchronous'
[18:01:30.509]   - Field: 'calls'
[18:01:30.509]   - Field: 'globals'
[18:01:30.509]   - Field: 'stdout'
[18:01:30.509]   - Field: 'earlySignal'
[18:01:30.510]   - Field: 'lazy'
[18:01:30.510]   - Field: 'state'
[18:01:30.510] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[18:01:30.510] - Launch lazy future ...
[18:01:30.510] Packages needed by the future expression (n = 0): <none>
[18:01:30.511] Packages needed by future strategies (n = 0): <none>
[18:01:30.511] {
[18:01:30.511]     {
[18:01:30.511]         {
[18:01:30.511]             ...future.startTime <- base::Sys.time()
[18:01:30.511]             {
[18:01:30.511]                 {
[18:01:30.511]                   {
[18:01:30.511]                     {
[18:01:30.511]                       base::local({
[18:01:30.511]                         has_future <- base::requireNamespace("future", 
[18:01:30.511]                           quietly = TRUE)
[18:01:30.511]                         if (has_future) {
[18:01:30.511]                           ns <- base::getNamespace("future")
[18:01:30.511]                           version <- ns[[".package"]][["version"]]
[18:01:30.511]                           if (is.null(version)) 
[18:01:30.511]                             version <- utils::packageVersion("future")
[18:01:30.511]                         }
[18:01:30.511]                         else {
[18:01:30.511]                           version <- NULL
[18:01:30.511]                         }
[18:01:30.511]                         if (!has_future || version < "1.8.0") {
[18:01:30.511]                           info <- base::c(r_version = base::gsub("R version ", 
[18:01:30.511]                             "", base::R.version$version.string), 
[18:01:30.511]                             platform = base::sprintf("%s (%s-bit)", 
[18:01:30.511]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:30.511]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:30.511]                               "release", "version")], collapse = " "), 
[18:01:30.511]                             hostname = base::Sys.info()[["nodename"]])
[18:01:30.511]                           info <- base::sprintf("%s: %s", base::names(info), 
[18:01:30.511]                             info)
[18:01:30.511]                           info <- base::paste(info, collapse = "; ")
[18:01:30.511]                           if (!has_future) {
[18:01:30.511]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:30.511]                               info)
[18:01:30.511]                           }
[18:01:30.511]                           else {
[18:01:30.511]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:30.511]                               info, version)
[18:01:30.511]                           }
[18:01:30.511]                           base::stop(msg)
[18:01:30.511]                         }
[18:01:30.511]                       })
[18:01:30.511]                     }
[18:01:30.511]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[18:01:30.511]                     base::options(mc.cores = 1L)
[18:01:30.511]                   }
[18:01:30.511]                   options(future.plan = NULL)
[18:01:30.511]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.511]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:30.511]                 }
[18:01:30.511]                 ...future.workdir <- getwd()
[18:01:30.511]             }
[18:01:30.511]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:30.511]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:30.511]         }
[18:01:30.511]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:30.511]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:30.511]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:30.511]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:30.511]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:30.511]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:30.511]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:30.511]             base::names(...future.oldOptions))
[18:01:30.511]     }
[18:01:30.511]     if (FALSE) {
[18:01:30.511]     }
[18:01:30.511]     else {
[18:01:30.511]         if (TRUE) {
[18:01:30.511]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:30.511]                 open = "w")
[18:01:30.511]         }
[18:01:30.511]         else {
[18:01:30.511]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:30.511]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:30.511]         }
[18:01:30.511]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:30.511]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:30.511]             base::sink(type = "output", split = FALSE)
[18:01:30.511]             base::close(...future.stdout)
[18:01:30.511]         }, add = TRUE)
[18:01:30.511]     }
[18:01:30.511]     ...future.frame <- base::sys.nframe()
[18:01:30.511]     ...future.conditions <- base::list()
[18:01:30.511]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:30.511]     if (FALSE) {
[18:01:30.511]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:30.511]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:30.511]     }
[18:01:30.511]     ...future.result <- base::tryCatch({
[18:01:30.511]         base::withCallingHandlers({
[18:01:30.511]             ...future.value <- base::withVisible(base::local({
[18:01:30.511]                 ...future.makeSendCondition <- local({
[18:01:30.511]                   sendCondition <- NULL
[18:01:30.511]                   function(frame = 1L) {
[18:01:30.511]                     if (is.function(sendCondition)) 
[18:01:30.511]                       return(sendCondition)
[18:01:30.511]                     ns <- getNamespace("parallel")
[18:01:30.511]                     if (exists("sendData", mode = "function", 
[18:01:30.511]                       envir = ns)) {
[18:01:30.511]                       parallel_sendData <- get("sendData", mode = "function", 
[18:01:30.511]                         envir = ns)
[18:01:30.511]                       envir <- sys.frame(frame)
[18:01:30.511]                       master <- NULL
[18:01:30.511]                       while (!identical(envir, .GlobalEnv) && 
[18:01:30.511]                         !identical(envir, emptyenv())) {
[18:01:30.511]                         if (exists("master", mode = "list", envir = envir, 
[18:01:30.511]                           inherits = FALSE)) {
[18:01:30.511]                           master <- get("master", mode = "list", 
[18:01:30.511]                             envir = envir, inherits = FALSE)
[18:01:30.511]                           if (inherits(master, c("SOCKnode", 
[18:01:30.511]                             "SOCK0node"))) {
[18:01:30.511]                             sendCondition <<- function(cond) {
[18:01:30.511]                               data <- list(type = "VALUE", value = cond, 
[18:01:30.511]                                 success = TRUE)
[18:01:30.511]                               parallel_sendData(master, data)
[18:01:30.511]                             }
[18:01:30.511]                             return(sendCondition)
[18:01:30.511]                           }
[18:01:30.511]                         }
[18:01:30.511]                         frame <- frame + 1L
[18:01:30.511]                         envir <- sys.frame(frame)
[18:01:30.511]                       }
[18:01:30.511]                     }
[18:01:30.511]                     sendCondition <<- function(cond) NULL
[18:01:30.511]                   }
[18:01:30.511]                 })
[18:01:30.511]                 withCallingHandlers({
[18:01:30.511]                   {
[18:01:30.511]                     2 * a
[18:01:30.511]                   }
[18:01:30.511]                 }, immediateCondition = function(cond) {
[18:01:30.511]                   sendCondition <- ...future.makeSendCondition()
[18:01:30.511]                   sendCondition(cond)
[18:01:30.511]                   muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.511]                   {
[18:01:30.511]                     inherits <- base::inherits
[18:01:30.511]                     invokeRestart <- base::invokeRestart
[18:01:30.511]                     is.null <- base::is.null
[18:01:30.511]                     muffled <- FALSE
[18:01:30.511]                     if (inherits(cond, "message")) {
[18:01:30.511]                       muffled <- grepl(pattern, "muffleMessage")
[18:01:30.511]                       if (muffled) 
[18:01:30.511]                         invokeRestart("muffleMessage")
[18:01:30.511]                     }
[18:01:30.511]                     else if (inherits(cond, "warning")) {
[18:01:30.511]                       muffled <- grepl(pattern, "muffleWarning")
[18:01:30.511]                       if (muffled) 
[18:01:30.511]                         invokeRestart("muffleWarning")
[18:01:30.511]                     }
[18:01:30.511]                     else if (inherits(cond, "condition")) {
[18:01:30.511]                       if (!is.null(pattern)) {
[18:01:30.511]                         computeRestarts <- base::computeRestarts
[18:01:30.511]                         grepl <- base::grepl
[18:01:30.511]                         restarts <- computeRestarts(cond)
[18:01:30.511]                         for (restart in restarts) {
[18:01:30.511]                           name <- restart$name
[18:01:30.511]                           if (is.null(name)) 
[18:01:30.511]                             next
[18:01:30.511]                           if (!grepl(pattern, name)) 
[18:01:30.511]                             next
[18:01:30.511]                           invokeRestart(restart)
[18:01:30.511]                           muffled <- TRUE
[18:01:30.511]                           break
[18:01:30.511]                         }
[18:01:30.511]                       }
[18:01:30.511]                     }
[18:01:30.511]                     invisible(muffled)
[18:01:30.511]                   }
[18:01:30.511]                   muffleCondition(cond)
[18:01:30.511]                 })
[18:01:30.511]             }))
[18:01:30.511]             future::FutureResult(value = ...future.value$value, 
[18:01:30.511]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.511]                   ...future.rng), globalenv = if (FALSE) 
[18:01:30.511]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:30.511]                     ...future.globalenv.names))
[18:01:30.511]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:30.511]         }, condition = base::local({
[18:01:30.511]             c <- base::c
[18:01:30.511]             inherits <- base::inherits
[18:01:30.511]             invokeRestart <- base::invokeRestart
[18:01:30.511]             length <- base::length
[18:01:30.511]             list <- base::list
[18:01:30.511]             seq.int <- base::seq.int
[18:01:30.511]             signalCondition <- base::signalCondition
[18:01:30.511]             sys.calls <- base::sys.calls
[18:01:30.511]             `[[` <- base::`[[`
[18:01:30.511]             `+` <- base::`+`
[18:01:30.511]             `<<-` <- base::`<<-`
[18:01:30.511]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:30.511]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:30.511]                   3L)]
[18:01:30.511]             }
[18:01:30.511]             function(cond) {
[18:01:30.511]                 is_error <- inherits(cond, "error")
[18:01:30.511]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:30.511]                   NULL)
[18:01:30.511]                 if (is_error) {
[18:01:30.511]                   sessionInformation <- function() {
[18:01:30.511]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:30.511]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:30.511]                       search = base::search(), system = base::Sys.info())
[18:01:30.511]                   }
[18:01:30.511]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.511]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:30.511]                     cond$call), session = sessionInformation(), 
[18:01:30.511]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:30.511]                   signalCondition(cond)
[18:01:30.511]                 }
[18:01:30.511]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:30.511]                 "immediateCondition"))) {
[18:01:30.511]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:30.511]                   ...future.conditions[[length(...future.conditions) + 
[18:01:30.511]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:30.511]                   if (TRUE && !signal) {
[18:01:30.511]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.511]                     {
[18:01:30.511]                       inherits <- base::inherits
[18:01:30.511]                       invokeRestart <- base::invokeRestart
[18:01:30.511]                       is.null <- base::is.null
[18:01:30.511]                       muffled <- FALSE
[18:01:30.511]                       if (inherits(cond, "message")) {
[18:01:30.511]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.511]                         if (muffled) 
[18:01:30.511]                           invokeRestart("muffleMessage")
[18:01:30.511]                       }
[18:01:30.511]                       else if (inherits(cond, "warning")) {
[18:01:30.511]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.511]                         if (muffled) 
[18:01:30.511]                           invokeRestart("muffleWarning")
[18:01:30.511]                       }
[18:01:30.511]                       else if (inherits(cond, "condition")) {
[18:01:30.511]                         if (!is.null(pattern)) {
[18:01:30.511]                           computeRestarts <- base::computeRestarts
[18:01:30.511]                           grepl <- base::grepl
[18:01:30.511]                           restarts <- computeRestarts(cond)
[18:01:30.511]                           for (restart in restarts) {
[18:01:30.511]                             name <- restart$name
[18:01:30.511]                             if (is.null(name)) 
[18:01:30.511]                               next
[18:01:30.511]                             if (!grepl(pattern, name)) 
[18:01:30.511]                               next
[18:01:30.511]                             invokeRestart(restart)
[18:01:30.511]                             muffled <- TRUE
[18:01:30.511]                             break
[18:01:30.511]                           }
[18:01:30.511]                         }
[18:01:30.511]                       }
[18:01:30.511]                       invisible(muffled)
[18:01:30.511]                     }
[18:01:30.511]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.511]                   }
[18:01:30.511]                 }
[18:01:30.511]                 else {
[18:01:30.511]                   if (TRUE) {
[18:01:30.511]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:30.511]                     {
[18:01:30.511]                       inherits <- base::inherits
[18:01:30.511]                       invokeRestart <- base::invokeRestart
[18:01:30.511]                       is.null <- base::is.null
[18:01:30.511]                       muffled <- FALSE
[18:01:30.511]                       if (inherits(cond, "message")) {
[18:01:30.511]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:30.511]                         if (muffled) 
[18:01:30.511]                           invokeRestart("muffleMessage")
[18:01:30.511]                       }
[18:01:30.511]                       else if (inherits(cond, "warning")) {
[18:01:30.511]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:30.511]                         if (muffled) 
[18:01:30.511]                           invokeRestart("muffleWarning")
[18:01:30.511]                       }
[18:01:30.511]                       else if (inherits(cond, "condition")) {
[18:01:30.511]                         if (!is.null(pattern)) {
[18:01:30.511]                           computeRestarts <- base::computeRestarts
[18:01:30.511]                           grepl <- base::grepl
[18:01:30.511]                           restarts <- computeRestarts(cond)
[18:01:30.511]                           for (restart in restarts) {
[18:01:30.511]                             name <- restart$name
[18:01:30.511]                             if (is.null(name)) 
[18:01:30.511]                               next
[18:01:30.511]                             if (!grepl(pattern, name)) 
[18:01:30.511]                               next
[18:01:30.511]                             invokeRestart(restart)
[18:01:30.511]                             muffled <- TRUE
[18:01:30.511]                             break
[18:01:30.511]                           }
[18:01:30.511]                         }
[18:01:30.511]                       }
[18:01:30.511]                       invisible(muffled)
[18:01:30.511]                     }
[18:01:30.511]                     muffleCondition(cond, pattern = "^muffle")
[18:01:30.511]                   }
[18:01:30.511]                 }
[18:01:30.511]             }
[18:01:30.511]         }))
[18:01:30.511]     }, error = function(ex) {
[18:01:30.511]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:30.511]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:30.511]                 ...future.rng), started = ...future.startTime, 
[18:01:30.511]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:30.511]             version = "1.8"), class = "FutureResult")
[18:01:30.511]     }, finally = {
[18:01:30.511]         if (!identical(...future.workdir, getwd())) 
[18:01:30.511]             setwd(...future.workdir)
[18:01:30.511]         {
[18:01:30.511]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:30.511]                 ...future.oldOptions$nwarnings <- NULL
[18:01:30.511]             }
[18:01:30.511]             base::options(...future.oldOptions)
[18:01:30.511]             if (.Platform$OS.type == "windows") {
[18:01:30.511]                 old_names <- names(...future.oldEnvVars)
[18:01:30.511]                 envs <- base::Sys.getenv()
[18:01:30.511]                 names <- names(envs)
[18:01:30.511]                 common <- intersect(names, old_names)
[18:01:30.511]                 added <- setdiff(names, old_names)
[18:01:30.511]                 removed <- setdiff(old_names, names)
[18:01:30.511]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:30.511]                   envs[common]]
[18:01:30.511]                 NAMES <- toupper(changed)
[18:01:30.511]                 args <- list()
[18:01:30.511]                 for (kk in seq_along(NAMES)) {
[18:01:30.511]                   name <- changed[[kk]]
[18:01:30.511]                   NAME <- NAMES[[kk]]
[18:01:30.511]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.511]                     next
[18:01:30.511]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.511]                 }
[18:01:30.511]                 NAMES <- toupper(added)
[18:01:30.511]                 for (kk in seq_along(NAMES)) {
[18:01:30.511]                   name <- added[[kk]]
[18:01:30.511]                   NAME <- NAMES[[kk]]
[18:01:30.511]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.511]                     next
[18:01:30.511]                   args[[name]] <- ""
[18:01:30.511]                 }
[18:01:30.511]                 NAMES <- toupper(removed)
[18:01:30.511]                 for (kk in seq_along(NAMES)) {
[18:01:30.511]                   name <- removed[[kk]]
[18:01:30.511]                   NAME <- NAMES[[kk]]
[18:01:30.511]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:30.511]                     next
[18:01:30.511]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:30.511]                 }
[18:01:30.511]                 if (length(args) > 0) 
[18:01:30.511]                   base::do.call(base::Sys.setenv, args = args)
[18:01:30.511]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:30.511]             }
[18:01:30.511]             else {
[18:01:30.511]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:30.511]             }
[18:01:30.511]             {
[18:01:30.511]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:30.511]                   0L) {
[18:01:30.511]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:30.511]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:30.511]                   base::options(opts)
[18:01:30.511]                 }
[18:01:30.511]                 {
[18:01:30.511]                   {
[18:01:30.511]                     base::options(mc.cores = ...future.mc.cores.old)
[18:01:30.511]                     NULL
[18:01:30.511]                   }
[18:01:30.511]                   options(future.plan = NULL)
[18:01:30.511]                   if (is.na(NA_character_)) 
[18:01:30.511]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:30.511]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:30.511]                   future::plan(list(function (..., workers = availableCores(), 
[18:01:30.511]                     lazy = FALSE, rscript_libs = .libPaths(), 
[18:01:30.511]                     envir = parent.frame()) 
[18:01:30.511]                   {
[18:01:30.511]                     if (is.function(workers)) 
[18:01:30.511]                       workers <- workers()
[18:01:30.511]                     workers <- structure(as.integer(workers), 
[18:01:30.511]                       class = class(workers))
[18:01:30.511]                     stop_if_not(length(workers) == 1, is.finite(workers), 
[18:01:30.511]                       workers >= 1)
[18:01:30.511]                     if (workers == 1L && !inherits(workers, "AsIs")) {
[18:01:30.511]                       return(sequential(..., lazy = TRUE, envir = envir))
[18:01:30.511]                     }
[18:01:30.511]                     future <- MultisessionFuture(..., workers = workers, 
[18:01:30.511]                       lazy = lazy, rscript_libs = rscript_libs, 
[18:01:30.511]                       envir = envir)
[18:01:30.511]                     if (!future$lazy) 
[18:01:30.511]                       future <- run(future)
[18:01:30.511]                     invisible(future)
[18:01:30.511]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:30.511]                 }
[18:01:30.511]             }
[18:01:30.511]         }
[18:01:30.511]     })
[18:01:30.511]     if (TRUE) {
[18:01:30.511]         base::sink(type = "output", split = FALSE)
[18:01:30.511]         if (TRUE) {
[18:01:30.511]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:30.511]         }
[18:01:30.511]         else {
[18:01:30.511]             ...future.result["stdout"] <- base::list(NULL)
[18:01:30.511]         }
[18:01:30.511]         base::close(...future.stdout)
[18:01:30.511]         ...future.stdout <- NULL
[18:01:30.511]     }
[18:01:30.511]     ...future.result$conditions <- ...future.conditions
[18:01:30.511]     ...future.result$finished <- base::Sys.time()
[18:01:30.511]     ...future.result
[18:01:30.511] }
[18:01:30.517] Exporting 1 global objects (56 bytes) to cluster node #1 ...
[18:01:30.517] Exporting 'a' (56 bytes) to cluster node #1 ...
[18:01:30.517] Exporting 'a' (56 bytes) to cluster node #1 ... DONE
[18:01:30.518] Exporting 1 global objects (56 bytes) to cluster node #1 ... DONE
[18:01:30.518] MultisessionFuture started
[18:01:30.518] - Launch lazy future ... done
[18:01:30.519] run() for 'MultisessionFuture' ... done
[18:01:30.519] result() for ClusterFuture ...
[18:01:30.519] receiveMessageFromWorker() for ClusterFuture ...
[18:01:30.519] - Validating connection of MultisessionFuture
[18:01:30.535] - received message: FutureResult
[18:01:30.535] - Received FutureResult
[18:01:30.535] - Erased future from FutureRegistry
[18:01:30.535] result() for ClusterFuture ...
[18:01:30.535] - result already collected: FutureResult
[18:01:30.535] result() for ClusterFuture ... done
[18:01:30.536] receiveMessageFromWorker() for ClusterFuture ... done
[18:01:30.536] result() for ClusterFuture ... done
[18:01:30.536] result() for ClusterFuture ...
[18:01:30.536] - result already collected: FutureResult
[18:01:30.536] 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")
[18:01:30.538] plan(): Setting new future strategy stack:
[18:01:30.538] List of future strategies:
[18:01:30.538] 1. FutureStrategy:
[18:01:30.538]    - args: function (..., envir = parent.frame())
[18:01:30.538]    - tweaked: FALSE
[18:01:30.538]    - call: future::plan(oplan)
[18:01:30.539] plan(): nbrOfWorkers() = 1
Failed to undo environment variables:
 - Expected environment variables: [n=201] '!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', 'OMP_THREAD_LIMIT', 'OS', 'PATH', 'PATHEXT', 'PROCESSOR_ARCHITECTURE', 'PROCESSOR_IDENTIFIER', 'PROCESSOR_LEVEL', 'PROCESSOR_REVISION', 'PROGRAMFILES', 'PROMPT', 'PSModulePath', 'PUBLIC', 'PWD', 'ProgramData', 'ProgramFiles(x86)', 'ProgramW6432', 'RETICULATE_AUTOCONFIGURE', 'RTOOLS43_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_RTOOLS43_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_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_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_SUBDIRS_STRICT_', '_R_CHECK_SUGGESTS_ONLY_', '_R_CHECK_SYSTEM_CLOCK_', '_R_CHECK_TESTS_NLINES_', '_R_CHECK_TEST_TIMING_', '_R_CHECK_TIMINGS_', '_R_CHECK_TOPLEVEL_FILES_', '_R_CHECK_UNDOC_USE_ALL_NAMES_', '_R_CHECK_UNSAFE_CALLS_', '_R_CHECK_URLS_SHOW_301_STATUS_', '_R_CHECK_VC_DIRS_', '_R_CHECK_VIGNETTES_NLINES_', '_R_CHECK_VIGNETTES_SKIP_RUN_MAYBE_', '_R_CHECK_VIGNETTE_TIMING_', '_R_CHECK_VIGNETTE_TITLES_', '_R_CHECK_WINDOWS_DEVICE_', '_R_CHECK_XREFS_USE_ALIASES_FROM_CRAN_', '_R_CLASS_MATRIX_ARRAY_', '_R_INSTALL_TIME_PATCHES_', '_R_S3_METHOD_LOOKUP_BASEENV_AFTER_GLOBALENV_', '_R_SHLIB_BUILD_OBJECTS_SYMBOL_TABLES_', '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 
   0.76    0.10    1.84