R Under development (unstable) (2023-12-20 r85713 ucrt) -- "Unsuffered Consequences"
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> source("incl/start.R")
[01:28:17.694] plan(): Setting new future strategy stack:
[01:28:17.696] List of future strategies:
[01:28:17.696] 1. sequential:
[01:28:17.696]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[01:28:17.696]    - tweaked: FALSE
[01:28:17.696]    - call: future::plan("sequential")
[01:28:17.724] plan(): nbrOfWorkers() = 1
> 
> ## Local functions
> usedNodes <- function(future) {
+   ## Number of unresolved cluster futures
+   workers <- future$workers
+   reg <- sprintf("workers-%s", attr(workers, "name"))
+   c(used = length(future:::FutureRegistry(reg, action = "list")), total = length(workers))
+ }
> 
> ## This test requires at least two background processes
> plan(multisession, workers = 2L)
[01:28:17.736] plan(): Setting new future strategy stack:
[01:28:17.736] List of future strategies:
[01:28:17.736] 1. multisession:
[01:28:17.736]    - args: function (..., workers = 2L, envir = parent.frame())
[01:28:17.736]    - tweaked: TRUE
[01:28:17.736]    - call: plan(multisession, workers = 2L)
[01:28:17.752] plan(): plan_init() of 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function' ...
[01:28:17.752] multisession:
[01:28:17.752] - args: function (..., workers = 2L, envir = parent.frame())
[01:28:17.752] - tweaked: TRUE
[01:28:17.752] - call: plan(multisession, workers = 2L)
[01:28:17.757] getGlobalsAndPackages() ...
[01:28:17.757] Not searching for globals
[01:28:17.757] - globals: [0] <none>
[01:28:17.758] getGlobalsAndPackages() ... DONE
[01:28:17.758] [local output] makeClusterPSOCK() ...
[01:28:17.853] [local output] Workers: [n = 2] 'localhost', 'localhost'
[01:28:17.860] [local output] Base port: 39961
[01:28:17.860] [local output] Getting setup options for 2 cluster nodes ...
[01:28:17.861] [local output]  - Node 1 of 2 ...
[01:28:17.861] [local output] localMachine=TRUE => revtunnel=FALSE

[01:28:17.863] Testing if worker's PID can be inferred: '"D:/RCompile/recent/R/bin/x64/Rscript" -e "try(suppressWarnings(cat(Sys.getpid(),file=\"D:/temp/RtmpMlj1kB/worker.rank=1.parallelly.parent=13708.358c49a86a1.pid\")), silent = TRUE)" -e "file.exists(\"D:/temp/RtmpMlj1kB/worker.rank=1.parallelly.parent=13708.358c49a86a1.pid\")"'
[01:28:18.199] - Possible to infer worker's PID: TRUE
[01:28:18.200] [local output] Rscript port: 39961

[01:28:18.200] [local output]  - Node 2 of 2 ...
[01:28:18.201] [local output] localMachine=TRUE => revtunnel=FALSE

[01:28:18.202] [local output] Rscript port: 39961

[01:28:18.203] [local output] Getting setup options for 2 cluster nodes ... done
[01:28:18.203] [local output]  - Parallel setup requested for some PSOCK nodes
[01:28:18.204] [local output] Setting up PSOCK nodes in parallel
[01:28:18.204] List of 36
[01:28:18.204]  $ worker          : chr "localhost"
[01:28:18.204]   ..- attr(*, "localhost")= logi TRUE
[01:28:18.204]  $ master          : chr "localhost"
[01:28:18.204]  $ port            : int 39961
[01:28:18.204]  $ connectTimeout  : num 120
[01:28:18.204]  $ timeout         : num 120
[01:28:18.204]  $ rscript         : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\""
[01:28:18.204]  $ homogeneous     : logi TRUE
[01:28:18.204]  $ rscript_args    : chr "--default-packages=datasets,utils,grDevices,graphics,stats,methods -e \"#label=invalid-owner.R:13708:CRANWIN3:C"| __truncated__
[01:28:18.204]  $ rscript_envs    : NULL
[01:28:18.204]  $ rscript_libs    : chr [1:2] "D:/temp/RtmpCIb4qz/RLIBS_32fc52ae7b47" "D:/RCompile/recent/R/library"
[01:28:18.204]  $ rscript_startup : NULL
[01:28:18.204]  $ rscript_sh      : chr "cmd"
[01:28:18.204]  $ default_packages: chr [1:6] "datasets" "utils" "grDevices" "graphics" ...
[01:28:18.204]  $ methods         : logi TRUE
[01:28:18.204]  $ socketOptions   : chr "no-delay"
[01:28:18.204]  $ useXDR          : logi FALSE
[01:28:18.204]  $ outfile         : chr "/dev/null"
[01:28:18.204]  $ renice          : int NA
[01:28:18.204]  $ rshcmd          : NULL
[01:28:18.204]  $ user            : chr(0) 
[01:28:18.204]  $ revtunnel       : logi FALSE
[01:28:18.204]  $ rshlogfile      : NULL
[01:28:18.204]  $ rshopts         : chr(0) 
[01:28:18.204]  $ rank            : int 1
[01:28:18.204]  $ manual          : logi FALSE
[01:28:18.204]  $ dryrun          : logi FALSE
[01:28:18.204]  $ quiet           : logi FALSE
[01:28:18.204]  $ setup_strategy  : chr "parallel"
[01:28:18.204]  $ local_cmd       : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "| __truncated__
[01:28:18.204]  $ pidfile         : chr "D:/temp/RtmpMlj1kB/worker.rank=1.parallelly.parent=13708.358c49a86a1.pid"
[01:28:18.204]  $ rshcmd_label    : NULL
[01:28:18.204]  $ rsh_call        : NULL
[01:28:18.204]  $ cmd             : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "| __truncated__
[01:28:18.204]  $ localMachine    : logi TRUE
[01:28:18.204]  $ make_fcn        :function (worker = getOption2("parallelly.localhost.hostname", "localhost"), 
[01:28:18.204]     master = NULL, port, connectTimeout = getOption2("parallelly.makeNodePSOCK.connectTimeout", 
[01:28:18.204]         2 * 60), timeout = getOption2("parallelly.makeNodePSOCK.timeout", 
[01:28:18.204]         30 * 24 * 60 * 60), rscript = NULL, homogeneous = NULL, rscript_args = NULL, 
[01:28:18.204]     rscript_envs = NULL, rscript_libs = NULL, rscript_startup = NULL, rscript_sh = c("auto", 
[01:28:18.204]         "cmd", "sh"), default_packages = c("datasets", "utils", "grDevices", 
[01:28:18.204]         "graphics", "stats", if (methods) "methods"), methods = TRUE, socketOptions = getOption2("parallelly.makeNodePSOCK.socketOptions", 
[01:28:18.204]         "no-delay"), useXDR = getOption2("parallelly.makeNodePSOCK.useXDR", 
[01:28:18.204]         FALSE), outfile = "/dev/null", renice = NA_integer_, rshcmd = getOption2("parallelly.makeNodePSOCK.rshcmd", 
[01:28:18.204]         NULL), user = NULL, revtunnel = NA, rshlogfile = NULL, rshopts = getOption2("parallelly.makeNodePSOCK.rshopts", 
[01:28:18.204]         NULL), rank = 1L, manual = FALSE, dryrun = FALSE, quiet = FALSE, 
[01:28:18.204]     setup_strategy = getOption2("parallelly.makeNodePSOCK.setup_strategy", 
[01:28:18.204]         "parallel"), action = c("launch", "options"), verbose = FALSE)  
[01:28:18.204]  $ arguments       :List of 28
[01:28:18.204]   ..$ worker          : chr "localhost"
[01:28:18.204]   ..$ master          : NULL
[01:28:18.204]   ..$ port            : int 39961
[01:28:18.204]   ..$ connectTimeout  : num 120
[01:28:18.204]   ..$ timeout         : num 120
[01:28:18.204]   ..$ rscript         : NULL
[01:28:18.204]   ..$ homogeneous     : NULL
[01:28:18.204]   ..$ rscript_args    : NULL
[01:28:18.204]   ..$ rscript_envs    : NULL
[01:28:18.204]   ..$ rscript_libs    : chr [1:2] "D:/temp/RtmpCIb4qz/RLIBS_32fc52ae7b47" "D:/RCompile/recent/R/library"
[01:28:18.204]   ..$ rscript_startup : NULL
[01:28:18.204]   ..$ rscript_sh      : chr [1:3] "auto" "cmd" "sh"
[01:28:18.204]   ..$ default_packages: chr [1:6] "datasets" "utils" "grDevices" "graphics" ...
[01:28:18.204]   ..$ methods         : logi TRUE
[01:28:18.204]   ..$ socketOptions   : chr "no-delay"
[01:28:18.204]   ..$ useXDR          : logi FALSE
[01:28:18.204]   ..$ outfile         : chr "/dev/null"
[01:28:18.204]   ..$ renice          : int NA
[01:28:18.204]   ..$ rshcmd          : NULL
[01:28:18.204]   ..$ user            : NULL
[01:28:18.204]   ..$ revtunnel       : logi NA
[01:28:18.204]   ..$ rshlogfile      : NULL
[01:28:18.204]   ..$ rshopts         : NULL
[01:28:18.204]   ..$ rank            : int 1
[01:28:18.204]   ..$ manual          : logi FALSE
[01:28:18.204]   ..$ dryrun          : logi FALSE
[01:28:18.204]   ..$ quiet           : logi FALSE
[01:28:18.204]   ..$ setup_strategy  : chr "parallel"
[01:28:18.204]  - attr(*, "class")= chr [1:2] "makeNodePSOCKOptions" "makeNodeOptions"
[01:28:18.228] [local output] System call to launch all workers:
[01:28:18.229] [local output] "D:/RCompile/recent/R/bin/x64/Rscript" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "#label=invalid-owner.R:13708:CRANWIN3:CRAN" -e "try(suppressWarnings(cat(Sys.getpid(),file=\"D:/temp/RtmpMlj1kB/worker.rank=1.parallelly.parent=13708.358c49a86a1.pid\")), silent = TRUE)" -e "options(socketOptions = \"no-delay\")" -e ".libPaths(c(\"D:/temp/RtmpCIb4qz/RLIBS_32fc52ae7b47\",\"D:/RCompile/recent/R/library\"))" -e "workRSOCK <- tryCatch(parallel:::.workRSOCK, error=function(e) parallel:::.slaveRSOCK); workRSOCK()" MASTER=localhost PORT=39961 OUT=/dev/null TIMEOUT=120 XDR=FALSE SETUPTIMEOUT=120 SETUPSTRATEGY=parallel
[01:28:18.229] [local output] Starting PSOCK main server
[01:28:18.235] [local output] Workers launched
[01:28:18.235] [local output] Waiting for workers to connect back
[01:28:18.236]  - [local output] 0 workers out of 2 ready
[01:28:18.418]  - [local output] 0 workers out of 2 ready
[01:28:18.419]  - [local output] 1 workers out of 2 ready
[01:28:18.424]  - [local output] 1 workers out of 2 ready
[01:28:18.425]  - [local output] 2 workers out of 2 ready
[01:28:18.425] [local output] Launching of workers completed
[01:28:18.425] [local output] Collecting session information from workers
[01:28:18.426] [local output]  - Worker #1 of 2
[01:28:18.427] [local output]  - Worker #2 of 2
[01:28:18.427] [local output] makeClusterPSOCK() ... done
[01:28:18.441] Packages needed by the future expression (n = 0): <none>
[01:28:18.441] Packages needed by future strategies (n = 0): <none>
[01:28:18.442] {
[01:28:18.442]     {
[01:28:18.442]         {
[01:28:18.442]             ...future.startTime <- base::Sys.time()
[01:28:18.442]             {
[01:28:18.442]                 {
[01:28:18.442]                   {
[01:28:18.442]                     {
[01:28:18.442]                       base::local({
[01:28:18.442]                         has_future <- base::requireNamespace("future", 
[01:28:18.442]                           quietly = TRUE)
[01:28:18.442]                         if (has_future) {
[01:28:18.442]                           ns <- base::getNamespace("future")
[01:28:18.442]                           version <- ns[[".package"]][["version"]]
[01:28:18.442]                           if (is.null(version)) 
[01:28:18.442]                             version <- utils::packageVersion("future")
[01:28:18.442]                         }
[01:28:18.442]                         else {
[01:28:18.442]                           version <- NULL
[01:28:18.442]                         }
[01:28:18.442]                         if (!has_future || version < "1.8.0") {
[01:28:18.442]                           info <- base::c(r_version = base::gsub("R version ", 
[01:28:18.442]                             "", base::R.version$version.string), 
[01:28:18.442]                             platform = base::sprintf("%s (%s-bit)", 
[01:28:18.442]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[01:28:18.442]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[01:28:18.442]                               "release", "version")], collapse = " "), 
[01:28:18.442]                             hostname = base::Sys.info()[["nodename"]])
[01:28:18.442]                           info <- base::sprintf("%s: %s", base::names(info), 
[01:28:18.442]                             info)
[01:28:18.442]                           info <- base::paste(info, collapse = "; ")
[01:28:18.442]                           if (!has_future) {
[01:28:18.442]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[01:28:18.442]                               info)
[01:28:18.442]                           }
[01:28:18.442]                           else {
[01:28:18.442]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[01:28:18.442]                               info, version)
[01:28:18.442]                           }
[01:28:18.442]                           base::stop(msg)
[01:28:18.442]                         }
[01:28:18.442]                       })
[01:28:18.442]                     }
[01:28:18.442]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[01:28:18.442]                     base::options(mc.cores = 1L)
[01:28:18.442]                   }
[01:28:18.442]                   options(future.plan = NULL)
[01:28:18.442]                   Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.442]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[01:28:18.442]                 }
[01:28:18.442]                 ...future.workdir <- getwd()
[01:28:18.442]             }
[01:28:18.442]             ...future.oldOptions <- base::as.list(base::.Options)
[01:28:18.442]             ...future.oldEnvVars <- base::Sys.getenv()
[01:28:18.442]         }
[01:28:18.442]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[01:28:18.442]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[01:28:18.442]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[01:28:18.442]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[01:28:18.442]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[01:28:18.442]             future.stdout.windows.reencode = NULL, width = 80L)
[01:28:18.442]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[01:28:18.442]             base::names(...future.oldOptions))
[01:28:18.442]     }
[01:28:18.442]     if (FALSE) {
[01:28:18.442]     }
[01:28:18.442]     else {
[01:28:18.442]         if (TRUE) {
[01:28:18.442]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[01:28:18.442]                 open = "w")
[01:28:18.442]         }
[01:28:18.442]         else {
[01:28:18.442]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[01:28:18.442]                 windows = "NUL", "/dev/null"), open = "w")
[01:28:18.442]         }
[01:28:18.442]         base::sink(...future.stdout, type = "output", split = FALSE)
[01:28:18.442]         base::on.exit(if (!base::is.null(...future.stdout)) {
[01:28:18.442]             base::sink(type = "output", split = FALSE)
[01:28:18.442]             base::close(...future.stdout)
[01:28:18.442]         }, add = TRUE)
[01:28:18.442]     }
[01:28:18.442]     ...future.frame <- base::sys.nframe()
[01:28:18.442]     ...future.conditions <- base::list()
[01:28:18.442]     ...future.rng <- base::globalenv()$.Random.seed
[01:28:18.442]     if (FALSE) {
[01:28:18.442]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[01:28:18.442]             "...future.value", "...future.globalenv.names", ".Random.seed")
[01:28:18.442]     }
[01:28:18.442]     ...future.result <- base::tryCatch({
[01:28:18.442]         base::withCallingHandlers({
[01:28:18.442]             ...future.value <- base::withVisible(base::local({
[01:28:18.442]                 ...future.makeSendCondition <- base::local({
[01:28:18.442]                   sendCondition <- NULL
[01:28:18.442]                   function(frame = 1L) {
[01:28:18.442]                     if (is.function(sendCondition)) 
[01:28:18.442]                       return(sendCondition)
[01:28:18.442]                     ns <- getNamespace("parallel")
[01:28:18.442]                     if (exists("sendData", mode = "function", 
[01:28:18.442]                       envir = ns)) {
[01:28:18.442]                       parallel_sendData <- get("sendData", mode = "function", 
[01:28:18.442]                         envir = ns)
[01:28:18.442]                       envir <- sys.frame(frame)
[01:28:18.442]                       master <- NULL
[01:28:18.442]                       while (!identical(envir, .GlobalEnv) && 
[01:28:18.442]                         !identical(envir, emptyenv())) {
[01:28:18.442]                         if (exists("master", mode = "list", envir = envir, 
[01:28:18.442]                           inherits = FALSE)) {
[01:28:18.442]                           master <- get("master", mode = "list", 
[01:28:18.442]                             envir = envir, inherits = FALSE)
[01:28:18.442]                           if (inherits(master, c("SOCKnode", 
[01:28:18.442]                             "SOCK0node"))) {
[01:28:18.442]                             sendCondition <<- function(cond) {
[01:28:18.442]                               data <- list(type = "VALUE", value = cond, 
[01:28:18.442]                                 success = TRUE)
[01:28:18.442]                               parallel_sendData(master, data)
[01:28:18.442]                             }
[01:28:18.442]                             return(sendCondition)
[01:28:18.442]                           }
[01:28:18.442]                         }
[01:28:18.442]                         frame <- frame + 1L
[01:28:18.442]                         envir <- sys.frame(frame)
[01:28:18.442]                       }
[01:28:18.442]                     }
[01:28:18.442]                     sendCondition <<- function(cond) NULL
[01:28:18.442]                   }
[01:28:18.442]                 })
[01:28:18.442]                 withCallingHandlers({
[01:28:18.442]                   NA
[01:28:18.442]                 }, immediateCondition = function(cond) {
[01:28:18.442]                   sendCondition <- ...future.makeSendCondition()
[01:28:18.442]                   sendCondition(cond)
[01:28:18.442]                   muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.442]                   {
[01:28:18.442]                     inherits <- base::inherits
[01:28:18.442]                     invokeRestart <- base::invokeRestart
[01:28:18.442]                     is.null <- base::is.null
[01:28:18.442]                     muffled <- FALSE
[01:28:18.442]                     if (inherits(cond, "message")) {
[01:28:18.442]                       muffled <- grepl(pattern, "muffleMessage")
[01:28:18.442]                       if (muffled) 
[01:28:18.442]                         invokeRestart("muffleMessage")
[01:28:18.442]                     }
[01:28:18.442]                     else if (inherits(cond, "warning")) {
[01:28:18.442]                       muffled <- grepl(pattern, "muffleWarning")
[01:28:18.442]                       if (muffled) 
[01:28:18.442]                         invokeRestart("muffleWarning")
[01:28:18.442]                     }
[01:28:18.442]                     else if (inherits(cond, "condition")) {
[01:28:18.442]                       if (!is.null(pattern)) {
[01:28:18.442]                         computeRestarts <- base::computeRestarts
[01:28:18.442]                         grepl <- base::grepl
[01:28:18.442]                         restarts <- computeRestarts(cond)
[01:28:18.442]                         for (restart in restarts) {
[01:28:18.442]                           name <- restart$name
[01:28:18.442]                           if (is.null(name)) 
[01:28:18.442]                             next
[01:28:18.442]                           if (!grepl(pattern, name)) 
[01:28:18.442]                             next
[01:28:18.442]                           invokeRestart(restart)
[01:28:18.442]                           muffled <- TRUE
[01:28:18.442]                           break
[01:28:18.442]                         }
[01:28:18.442]                       }
[01:28:18.442]                     }
[01:28:18.442]                     invisible(muffled)
[01:28:18.442]                   }
[01:28:18.442]                   muffleCondition(cond)
[01:28:18.442]                 })
[01:28:18.442]             }))
[01:28:18.442]             future::FutureResult(value = ...future.value$value, 
[01:28:18.442]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.442]                   ...future.rng), globalenv = if (FALSE) 
[01:28:18.442]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[01:28:18.442]                     ...future.globalenv.names))
[01:28:18.442]                 else NULL, started = ...future.startTime, version = "1.8")
[01:28:18.442]         }, condition = base::local({
[01:28:18.442]             c <- base::c
[01:28:18.442]             inherits <- base::inherits
[01:28:18.442]             invokeRestart <- base::invokeRestart
[01:28:18.442]             length <- base::length
[01:28:18.442]             list <- base::list
[01:28:18.442]             seq.int <- base::seq.int
[01:28:18.442]             signalCondition <- base::signalCondition
[01:28:18.442]             sys.calls <- base::sys.calls
[01:28:18.442]             `[[` <- base::`[[`
[01:28:18.442]             `+` <- base::`+`
[01:28:18.442]             `<<-` <- base::`<<-`
[01:28:18.442]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[01:28:18.442]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[01:28:18.442]                   3L)]
[01:28:18.442]             }
[01:28:18.442]             function(cond) {
[01:28:18.442]                 is_error <- inherits(cond, "error")
[01:28:18.442]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[01:28:18.442]                   NULL)
[01:28:18.442]                 if (is_error) {
[01:28:18.442]                   sessionInformation <- function() {
[01:28:18.442]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[01:28:18.442]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[01:28:18.442]                       search = base::search(), system = base::Sys.info())
[01:28:18.442]                   }
[01:28:18.442]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.442]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[01:28:18.442]                     cond$call), session = sessionInformation(), 
[01:28:18.442]                     timestamp = base::Sys.time(), signaled = 0L)
[01:28:18.442]                   signalCondition(cond)
[01:28:18.442]                 }
[01:28:18.442]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[01:28:18.442]                 "immediateCondition"))) {
[01:28:18.442]                   signal <- TRUE && inherits(cond, "immediateCondition")
[01:28:18.442]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.442]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[01:28:18.442]                   if (TRUE && !signal) {
[01:28:18.442]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.442]                     {
[01:28:18.442]                       inherits <- base::inherits
[01:28:18.442]                       invokeRestart <- base::invokeRestart
[01:28:18.442]                       is.null <- base::is.null
[01:28:18.442]                       muffled <- FALSE
[01:28:18.442]                       if (inherits(cond, "message")) {
[01:28:18.442]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.442]                         if (muffled) 
[01:28:18.442]                           invokeRestart("muffleMessage")
[01:28:18.442]                       }
[01:28:18.442]                       else if (inherits(cond, "warning")) {
[01:28:18.442]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.442]                         if (muffled) 
[01:28:18.442]                           invokeRestart("muffleWarning")
[01:28:18.442]                       }
[01:28:18.442]                       else if (inherits(cond, "condition")) {
[01:28:18.442]                         if (!is.null(pattern)) {
[01:28:18.442]                           computeRestarts <- base::computeRestarts
[01:28:18.442]                           grepl <- base::grepl
[01:28:18.442]                           restarts <- computeRestarts(cond)
[01:28:18.442]                           for (restart in restarts) {
[01:28:18.442]                             name <- restart$name
[01:28:18.442]                             if (is.null(name)) 
[01:28:18.442]                               next
[01:28:18.442]                             if (!grepl(pattern, name)) 
[01:28:18.442]                               next
[01:28:18.442]                             invokeRestart(restart)
[01:28:18.442]                             muffled <- TRUE
[01:28:18.442]                             break
[01:28:18.442]                           }
[01:28:18.442]                         }
[01:28:18.442]                       }
[01:28:18.442]                       invisible(muffled)
[01:28:18.442]                     }
[01:28:18.442]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.442]                   }
[01:28:18.442]                 }
[01:28:18.442]                 else {
[01:28:18.442]                   if (TRUE) {
[01:28:18.442]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.442]                     {
[01:28:18.442]                       inherits <- base::inherits
[01:28:18.442]                       invokeRestart <- base::invokeRestart
[01:28:18.442]                       is.null <- base::is.null
[01:28:18.442]                       muffled <- FALSE
[01:28:18.442]                       if (inherits(cond, "message")) {
[01:28:18.442]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.442]                         if (muffled) 
[01:28:18.442]                           invokeRestart("muffleMessage")
[01:28:18.442]                       }
[01:28:18.442]                       else if (inherits(cond, "warning")) {
[01:28:18.442]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.442]                         if (muffled) 
[01:28:18.442]                           invokeRestart("muffleWarning")
[01:28:18.442]                       }
[01:28:18.442]                       else if (inherits(cond, "condition")) {
[01:28:18.442]                         if (!is.null(pattern)) {
[01:28:18.442]                           computeRestarts <- base::computeRestarts
[01:28:18.442]                           grepl <- base::grepl
[01:28:18.442]                           restarts <- computeRestarts(cond)
[01:28:18.442]                           for (restart in restarts) {
[01:28:18.442]                             name <- restart$name
[01:28:18.442]                             if (is.null(name)) 
[01:28:18.442]                               next
[01:28:18.442]                             if (!grepl(pattern, name)) 
[01:28:18.442]                               next
[01:28:18.442]                             invokeRestart(restart)
[01:28:18.442]                             muffled <- TRUE
[01:28:18.442]                             break
[01:28:18.442]                           }
[01:28:18.442]                         }
[01:28:18.442]                       }
[01:28:18.442]                       invisible(muffled)
[01:28:18.442]                     }
[01:28:18.442]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.442]                   }
[01:28:18.442]                 }
[01:28:18.442]             }
[01:28:18.442]         }))
[01:28:18.442]     }, error = function(ex) {
[01:28:18.442]         base::structure(base::list(value = NULL, visible = NULL, 
[01:28:18.442]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.442]                 ...future.rng), started = ...future.startTime, 
[01:28:18.442]             finished = Sys.time(), session_uuid = NA_character_, 
[01:28:18.442]             version = "1.8"), class = "FutureResult")
[01:28:18.442]     }, finally = {
[01:28:18.442]         if (!identical(...future.workdir, getwd())) 
[01:28:18.442]             setwd(...future.workdir)
[01:28:18.442]         {
[01:28:18.442]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[01:28:18.442]                 ...future.oldOptions$nwarnings <- NULL
[01:28:18.442]             }
[01:28:18.442]             base::options(...future.oldOptions)
[01:28:18.442]             if (.Platform$OS.type == "windows") {
[01:28:18.442]                 old_names <- names(...future.oldEnvVars)
[01:28:18.442]                 envs <- base::Sys.getenv()
[01:28:18.442]                 names <- names(envs)
[01:28:18.442]                 common <- intersect(names, old_names)
[01:28:18.442]                 added <- setdiff(names, old_names)
[01:28:18.442]                 removed <- setdiff(old_names, names)
[01:28:18.442]                 changed <- common[...future.oldEnvVars[common] != 
[01:28:18.442]                   envs[common]]
[01:28:18.442]                 NAMES <- toupper(changed)
[01:28:18.442]                 args <- list()
[01:28:18.442]                 for (kk in seq_along(NAMES)) {
[01:28:18.442]                   name <- changed[[kk]]
[01:28:18.442]                   NAME <- NAMES[[kk]]
[01:28:18.442]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.442]                     next
[01:28:18.442]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.442]                 }
[01:28:18.442]                 NAMES <- toupper(added)
[01:28:18.442]                 for (kk in seq_along(NAMES)) {
[01:28:18.442]                   name <- added[[kk]]
[01:28:18.442]                   NAME <- NAMES[[kk]]
[01:28:18.442]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.442]                     next
[01:28:18.442]                   args[[name]] <- ""
[01:28:18.442]                 }
[01:28:18.442]                 NAMES <- toupper(removed)
[01:28:18.442]                 for (kk in seq_along(NAMES)) {
[01:28:18.442]                   name <- removed[[kk]]
[01:28:18.442]                   NAME <- NAMES[[kk]]
[01:28:18.442]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.442]                     next
[01:28:18.442]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.442]                 }
[01:28:18.442]                 if (length(args) > 0) 
[01:28:18.442]                   base::do.call(base::Sys.setenv, args = args)
[01:28:18.442]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[01:28:18.442]             }
[01:28:18.442]             else {
[01:28:18.442]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[01:28:18.442]             }
[01:28:18.442]             {
[01:28:18.442]                 if (base::length(...future.futureOptionsAdded) > 
[01:28:18.442]                   0L) {
[01:28:18.442]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[01:28:18.442]                   base::names(opts) <- ...future.futureOptionsAdded
[01:28:18.442]                   base::options(opts)
[01:28:18.442]                 }
[01:28:18.442]                 {
[01:28:18.442]                   {
[01:28:18.442]                     base::options(mc.cores = ...future.mc.cores.old)
[01:28:18.442]                     NULL
[01:28:18.442]                   }
[01:28:18.442]                   options(future.plan = NULL)
[01:28:18.442]                   if (is.na(NA_character_)) 
[01:28:18.442]                     Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.442]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[01:28:18.442]                   future::plan(list(function (..., workers = 2L, 
[01:28:18.442]                     envir = parent.frame()) 
[01:28:18.442]                   strategy(..., workers = workers, envir = envir)), 
[01:28:18.442]                     .cleanup = FALSE, .init = FALSE)
[01:28:18.442]                 }
[01:28:18.442]             }
[01:28:18.442]         }
[01:28:18.442]     })
[01:28:18.442]     if (TRUE) {
[01:28:18.442]         base::sink(type = "output", split = FALSE)
[01:28:18.442]         if (TRUE) {
[01:28:18.442]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[01:28:18.442]         }
[01:28:18.442]         else {
[01:28:18.442]             ...future.result["stdout"] <- base::list(NULL)
[01:28:18.442]         }
[01:28:18.442]         base::close(...future.stdout)
[01:28:18.442]         ...future.stdout <- NULL
[01:28:18.442]     }
[01:28:18.442]     ...future.result$conditions <- ...future.conditions
[01:28:18.442]     ...future.result$finished <- base::Sys.time()
[01:28:18.442]     ...future.result
[01:28:18.442] }
[01:28:18.522] MultisessionFuture started
[01:28:18.523] result() for ClusterFuture ...
[01:28:18.523] receiveMessageFromWorker() for ClusterFuture ...
[01:28:18.524] - Validating connection of MultisessionFuture
[01:28:18.576] - received message: FutureResult
[01:28:18.577] - Received FutureResult
[01:28:18.580] - Erased future from FutureRegistry
[01:28:18.581] result() for ClusterFuture ...
[01:28:18.581] - result already collected: FutureResult
[01:28:18.581] result() for ClusterFuture ... done
[01:28:18.581] receiveMessageFromWorker() for ClusterFuture ... done
[01:28:18.581] result() for ClusterFuture ... done
[01:28:18.582] result() for ClusterFuture ...
[01:28:18.582] - result already collected: FutureResult
[01:28:18.582] result() for ClusterFuture ... done
[01:28:18.582] plan(): plan_init() of 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function' ... DONE
[01:28:18.583] plan(): nbrOfWorkers() = 2
> 
> message("*** future() - invalid ownership ...")
*** future() - invalid ownership ...
> 
> ## This R process
> session_uuid <- future:::session_uuid(attributes = TRUE)
> cat(sprintf("Main R process: %s\n", session_uuid))
Main R process: e2c891c4-cab0-ea03-2a69-bb67514aebf9
> 
> message("- Asserting ownership ...")
- Asserting ownership ...
> 
> message("Creating future #1:")
Creating future #1:
> f1 <- future({ future:::session_uuid(attributes = TRUE) })
[01:28:18.583] getGlobalsAndPackages() ...
[01:28:18.583] Searching for globals...
[01:28:18.592] - globals found: [2] '{', ':::'
[01:28:18.592] Searching for globals ... DONE
[01:28:18.593] Resolving globals: FALSE
[01:28:18.593] 
[01:28:18.594] 
[01:28:18.594] getGlobalsAndPackages() ... DONE
[01:28:18.594] run() for 'Future' ...
[01:28:18.595] - state: 'created'
[01:28:18.595] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[01:28:18.608] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[01:28:18.608] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[01:28:18.608]   - Field: 'node'
[01:28:18.608]   - Field: 'label'
[01:28:18.608]   - Field: 'local'
[01:28:18.609]   - Field: 'owner'
[01:28:18.609]   - Field: 'envir'
[01:28:18.609]   - Field: 'workers'
[01:28:18.609]   - Field: 'packages'
[01:28:18.609]   - Field: 'gc'
[01:28:18.610]   - Field: 'conditions'
[01:28:18.610]   - Field: 'persistent'
[01:28:18.610]   - Field: 'expr'
[01:28:18.610]   - Field: 'uuid'
[01:28:18.610]   - Field: 'seed'
[01:28:18.611]   - Field: 'version'
[01:28:18.611]   - Field: 'result'
[01:28:18.611]   - Field: 'asynchronous'
[01:28:18.611]   - Field: 'calls'
[01:28:18.612]   - Field: 'globals'
[01:28:18.612]   - Field: 'stdout'
[01:28:18.612]   - Field: 'earlySignal'
[01:28:18.612]   - Field: 'lazy'
[01:28:18.612]   - Field: 'state'
[01:28:18.613] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[01:28:18.613] - Launch lazy future ...
[01:28:18.613] Packages needed by the future expression (n = 0): <none>
[01:28:18.613] Packages needed by future strategies (n = 0): <none>
[01:28:18.614] {
[01:28:18.614]     {
[01:28:18.614]         {
[01:28:18.614]             ...future.startTime <- base::Sys.time()
[01:28:18.614]             {
[01:28:18.614]                 {
[01:28:18.614]                   {
[01:28:18.614]                     {
[01:28:18.614]                       base::local({
[01:28:18.614]                         has_future <- base::requireNamespace("future", 
[01:28:18.614]                           quietly = TRUE)
[01:28:18.614]                         if (has_future) {
[01:28:18.614]                           ns <- base::getNamespace("future")
[01:28:18.614]                           version <- ns[[".package"]][["version"]]
[01:28:18.614]                           if (is.null(version)) 
[01:28:18.614]                             version <- utils::packageVersion("future")
[01:28:18.614]                         }
[01:28:18.614]                         else {
[01:28:18.614]                           version <- NULL
[01:28:18.614]                         }
[01:28:18.614]                         if (!has_future || version < "1.8.0") {
[01:28:18.614]                           info <- base::c(r_version = base::gsub("R version ", 
[01:28:18.614]                             "", base::R.version$version.string), 
[01:28:18.614]                             platform = base::sprintf("%s (%s-bit)", 
[01:28:18.614]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[01:28:18.614]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[01:28:18.614]                               "release", "version")], collapse = " "), 
[01:28:18.614]                             hostname = base::Sys.info()[["nodename"]])
[01:28:18.614]                           info <- base::sprintf("%s: %s", base::names(info), 
[01:28:18.614]                             info)
[01:28:18.614]                           info <- base::paste(info, collapse = "; ")
[01:28:18.614]                           if (!has_future) {
[01:28:18.614]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[01:28:18.614]                               info)
[01:28:18.614]                           }
[01:28:18.614]                           else {
[01:28:18.614]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[01:28:18.614]                               info, version)
[01:28:18.614]                           }
[01:28:18.614]                           base::stop(msg)
[01:28:18.614]                         }
[01:28:18.614]                       })
[01:28:18.614]                     }
[01:28:18.614]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[01:28:18.614]                     base::options(mc.cores = 1L)
[01:28:18.614]                   }
[01:28:18.614]                   options(future.plan = NULL)
[01:28:18.614]                   Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.614]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[01:28:18.614]                 }
[01:28:18.614]                 ...future.workdir <- getwd()
[01:28:18.614]             }
[01:28:18.614]             ...future.oldOptions <- base::as.list(base::.Options)
[01:28:18.614]             ...future.oldEnvVars <- base::Sys.getenv()
[01:28:18.614]         }
[01:28:18.614]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[01:28:18.614]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[01:28:18.614]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[01:28:18.614]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[01:28:18.614]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[01:28:18.614]             future.stdout.windows.reencode = NULL, width = 80L)
[01:28:18.614]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[01:28:18.614]             base::names(...future.oldOptions))
[01:28:18.614]     }
[01:28:18.614]     if (FALSE) {
[01:28:18.614]     }
[01:28:18.614]     else {
[01:28:18.614]         if (TRUE) {
[01:28:18.614]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[01:28:18.614]                 open = "w")
[01:28:18.614]         }
[01:28:18.614]         else {
[01:28:18.614]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[01:28:18.614]                 windows = "NUL", "/dev/null"), open = "w")
[01:28:18.614]         }
[01:28:18.614]         base::sink(...future.stdout, type = "output", split = FALSE)
[01:28:18.614]         base::on.exit(if (!base::is.null(...future.stdout)) {
[01:28:18.614]             base::sink(type = "output", split = FALSE)
[01:28:18.614]             base::close(...future.stdout)
[01:28:18.614]         }, add = TRUE)
[01:28:18.614]     }
[01:28:18.614]     ...future.frame <- base::sys.nframe()
[01:28:18.614]     ...future.conditions <- base::list()
[01:28:18.614]     ...future.rng <- base::globalenv()$.Random.seed
[01:28:18.614]     if (FALSE) {
[01:28:18.614]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[01:28:18.614]             "...future.value", "...future.globalenv.names", ".Random.seed")
[01:28:18.614]     }
[01:28:18.614]     ...future.result <- base::tryCatch({
[01:28:18.614]         base::withCallingHandlers({
[01:28:18.614]             ...future.value <- base::withVisible(base::local({
[01:28:18.614]                 ...future.makeSendCondition <- base::local({
[01:28:18.614]                   sendCondition <- NULL
[01:28:18.614]                   function(frame = 1L) {
[01:28:18.614]                     if (is.function(sendCondition)) 
[01:28:18.614]                       return(sendCondition)
[01:28:18.614]                     ns <- getNamespace("parallel")
[01:28:18.614]                     if (exists("sendData", mode = "function", 
[01:28:18.614]                       envir = ns)) {
[01:28:18.614]                       parallel_sendData <- get("sendData", mode = "function", 
[01:28:18.614]                         envir = ns)
[01:28:18.614]                       envir <- sys.frame(frame)
[01:28:18.614]                       master <- NULL
[01:28:18.614]                       while (!identical(envir, .GlobalEnv) && 
[01:28:18.614]                         !identical(envir, emptyenv())) {
[01:28:18.614]                         if (exists("master", mode = "list", envir = envir, 
[01:28:18.614]                           inherits = FALSE)) {
[01:28:18.614]                           master <- get("master", mode = "list", 
[01:28:18.614]                             envir = envir, inherits = FALSE)
[01:28:18.614]                           if (inherits(master, c("SOCKnode", 
[01:28:18.614]                             "SOCK0node"))) {
[01:28:18.614]                             sendCondition <<- function(cond) {
[01:28:18.614]                               data <- list(type = "VALUE", value = cond, 
[01:28:18.614]                                 success = TRUE)
[01:28:18.614]                               parallel_sendData(master, data)
[01:28:18.614]                             }
[01:28:18.614]                             return(sendCondition)
[01:28:18.614]                           }
[01:28:18.614]                         }
[01:28:18.614]                         frame <- frame + 1L
[01:28:18.614]                         envir <- sys.frame(frame)
[01:28:18.614]                       }
[01:28:18.614]                     }
[01:28:18.614]                     sendCondition <<- function(cond) NULL
[01:28:18.614]                   }
[01:28:18.614]                 })
[01:28:18.614]                 withCallingHandlers({
[01:28:18.614]                   {
[01:28:18.614]                     future:::session_uuid(attributes = TRUE)
[01:28:18.614]                   }
[01:28:18.614]                 }, immediateCondition = function(cond) {
[01:28:18.614]                   sendCondition <- ...future.makeSendCondition()
[01:28:18.614]                   sendCondition(cond)
[01:28:18.614]                   muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.614]                   {
[01:28:18.614]                     inherits <- base::inherits
[01:28:18.614]                     invokeRestart <- base::invokeRestart
[01:28:18.614]                     is.null <- base::is.null
[01:28:18.614]                     muffled <- FALSE
[01:28:18.614]                     if (inherits(cond, "message")) {
[01:28:18.614]                       muffled <- grepl(pattern, "muffleMessage")
[01:28:18.614]                       if (muffled) 
[01:28:18.614]                         invokeRestart("muffleMessage")
[01:28:18.614]                     }
[01:28:18.614]                     else if (inherits(cond, "warning")) {
[01:28:18.614]                       muffled <- grepl(pattern, "muffleWarning")
[01:28:18.614]                       if (muffled) 
[01:28:18.614]                         invokeRestart("muffleWarning")
[01:28:18.614]                     }
[01:28:18.614]                     else if (inherits(cond, "condition")) {
[01:28:18.614]                       if (!is.null(pattern)) {
[01:28:18.614]                         computeRestarts <- base::computeRestarts
[01:28:18.614]                         grepl <- base::grepl
[01:28:18.614]                         restarts <- computeRestarts(cond)
[01:28:18.614]                         for (restart in restarts) {
[01:28:18.614]                           name <- restart$name
[01:28:18.614]                           if (is.null(name)) 
[01:28:18.614]                             next
[01:28:18.614]                           if (!grepl(pattern, name)) 
[01:28:18.614]                             next
[01:28:18.614]                           invokeRestart(restart)
[01:28:18.614]                           muffled <- TRUE
[01:28:18.614]                           break
[01:28:18.614]                         }
[01:28:18.614]                       }
[01:28:18.614]                     }
[01:28:18.614]                     invisible(muffled)
[01:28:18.614]                   }
[01:28:18.614]                   muffleCondition(cond)
[01:28:18.614]                 })
[01:28:18.614]             }))
[01:28:18.614]             future::FutureResult(value = ...future.value$value, 
[01:28:18.614]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.614]                   ...future.rng), globalenv = if (FALSE) 
[01:28:18.614]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[01:28:18.614]                     ...future.globalenv.names))
[01:28:18.614]                 else NULL, started = ...future.startTime, version = "1.8")
[01:28:18.614]         }, condition = base::local({
[01:28:18.614]             c <- base::c
[01:28:18.614]             inherits <- base::inherits
[01:28:18.614]             invokeRestart <- base::invokeRestart
[01:28:18.614]             length <- base::length
[01:28:18.614]             list <- base::list
[01:28:18.614]             seq.int <- base::seq.int
[01:28:18.614]             signalCondition <- base::signalCondition
[01:28:18.614]             sys.calls <- base::sys.calls
[01:28:18.614]             `[[` <- base::`[[`
[01:28:18.614]             `+` <- base::`+`
[01:28:18.614]             `<<-` <- base::`<<-`
[01:28:18.614]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[01:28:18.614]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[01:28:18.614]                   3L)]
[01:28:18.614]             }
[01:28:18.614]             function(cond) {
[01:28:18.614]                 is_error <- inherits(cond, "error")
[01:28:18.614]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[01:28:18.614]                   NULL)
[01:28:18.614]                 if (is_error) {
[01:28:18.614]                   sessionInformation <- function() {
[01:28:18.614]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[01:28:18.614]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[01:28:18.614]                       search = base::search(), system = base::Sys.info())
[01:28:18.614]                   }
[01:28:18.614]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.614]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[01:28:18.614]                     cond$call), session = sessionInformation(), 
[01:28:18.614]                     timestamp = base::Sys.time(), signaled = 0L)
[01:28:18.614]                   signalCondition(cond)
[01:28:18.614]                 }
[01:28:18.614]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[01:28:18.614]                 "immediateCondition"))) {
[01:28:18.614]                   signal <- TRUE && inherits(cond, "immediateCondition")
[01:28:18.614]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.614]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[01:28:18.614]                   if (TRUE && !signal) {
[01:28:18.614]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.614]                     {
[01:28:18.614]                       inherits <- base::inherits
[01:28:18.614]                       invokeRestart <- base::invokeRestart
[01:28:18.614]                       is.null <- base::is.null
[01:28:18.614]                       muffled <- FALSE
[01:28:18.614]                       if (inherits(cond, "message")) {
[01:28:18.614]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.614]                         if (muffled) 
[01:28:18.614]                           invokeRestart("muffleMessage")
[01:28:18.614]                       }
[01:28:18.614]                       else if (inherits(cond, "warning")) {
[01:28:18.614]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.614]                         if (muffled) 
[01:28:18.614]                           invokeRestart("muffleWarning")
[01:28:18.614]                       }
[01:28:18.614]                       else if (inherits(cond, "condition")) {
[01:28:18.614]                         if (!is.null(pattern)) {
[01:28:18.614]                           computeRestarts <- base::computeRestarts
[01:28:18.614]                           grepl <- base::grepl
[01:28:18.614]                           restarts <- computeRestarts(cond)
[01:28:18.614]                           for (restart in restarts) {
[01:28:18.614]                             name <- restart$name
[01:28:18.614]                             if (is.null(name)) 
[01:28:18.614]                               next
[01:28:18.614]                             if (!grepl(pattern, name)) 
[01:28:18.614]                               next
[01:28:18.614]                             invokeRestart(restart)
[01:28:18.614]                             muffled <- TRUE
[01:28:18.614]                             break
[01:28:18.614]                           }
[01:28:18.614]                         }
[01:28:18.614]                       }
[01:28:18.614]                       invisible(muffled)
[01:28:18.614]                     }
[01:28:18.614]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.614]                   }
[01:28:18.614]                 }
[01:28:18.614]                 else {
[01:28:18.614]                   if (TRUE) {
[01:28:18.614]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.614]                     {
[01:28:18.614]                       inherits <- base::inherits
[01:28:18.614]                       invokeRestart <- base::invokeRestart
[01:28:18.614]                       is.null <- base::is.null
[01:28:18.614]                       muffled <- FALSE
[01:28:18.614]                       if (inherits(cond, "message")) {
[01:28:18.614]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.614]                         if (muffled) 
[01:28:18.614]                           invokeRestart("muffleMessage")
[01:28:18.614]                       }
[01:28:18.614]                       else if (inherits(cond, "warning")) {
[01:28:18.614]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.614]                         if (muffled) 
[01:28:18.614]                           invokeRestart("muffleWarning")
[01:28:18.614]                       }
[01:28:18.614]                       else if (inherits(cond, "condition")) {
[01:28:18.614]                         if (!is.null(pattern)) {
[01:28:18.614]                           computeRestarts <- base::computeRestarts
[01:28:18.614]                           grepl <- base::grepl
[01:28:18.614]                           restarts <- computeRestarts(cond)
[01:28:18.614]                           for (restart in restarts) {
[01:28:18.614]                             name <- restart$name
[01:28:18.614]                             if (is.null(name)) 
[01:28:18.614]                               next
[01:28:18.614]                             if (!grepl(pattern, name)) 
[01:28:18.614]                               next
[01:28:18.614]                             invokeRestart(restart)
[01:28:18.614]                             muffled <- TRUE
[01:28:18.614]                             break
[01:28:18.614]                           }
[01:28:18.614]                         }
[01:28:18.614]                       }
[01:28:18.614]                       invisible(muffled)
[01:28:18.614]                     }
[01:28:18.614]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.614]                   }
[01:28:18.614]                 }
[01:28:18.614]             }
[01:28:18.614]         }))
[01:28:18.614]     }, error = function(ex) {
[01:28:18.614]         base::structure(base::list(value = NULL, visible = NULL, 
[01:28:18.614]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.614]                 ...future.rng), started = ...future.startTime, 
[01:28:18.614]             finished = Sys.time(), session_uuid = NA_character_, 
[01:28:18.614]             version = "1.8"), class = "FutureResult")
[01:28:18.614]     }, finally = {
[01:28:18.614]         if (!identical(...future.workdir, getwd())) 
[01:28:18.614]             setwd(...future.workdir)
[01:28:18.614]         {
[01:28:18.614]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[01:28:18.614]                 ...future.oldOptions$nwarnings <- NULL
[01:28:18.614]             }
[01:28:18.614]             base::options(...future.oldOptions)
[01:28:18.614]             if (.Platform$OS.type == "windows") {
[01:28:18.614]                 old_names <- names(...future.oldEnvVars)
[01:28:18.614]                 envs <- base::Sys.getenv()
[01:28:18.614]                 names <- names(envs)
[01:28:18.614]                 common <- intersect(names, old_names)
[01:28:18.614]                 added <- setdiff(names, old_names)
[01:28:18.614]                 removed <- setdiff(old_names, names)
[01:28:18.614]                 changed <- common[...future.oldEnvVars[common] != 
[01:28:18.614]                   envs[common]]
[01:28:18.614]                 NAMES <- toupper(changed)
[01:28:18.614]                 args <- list()
[01:28:18.614]                 for (kk in seq_along(NAMES)) {
[01:28:18.614]                   name <- changed[[kk]]
[01:28:18.614]                   NAME <- NAMES[[kk]]
[01:28:18.614]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.614]                     next
[01:28:18.614]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.614]                 }
[01:28:18.614]                 NAMES <- toupper(added)
[01:28:18.614]                 for (kk in seq_along(NAMES)) {
[01:28:18.614]                   name <- added[[kk]]
[01:28:18.614]                   NAME <- NAMES[[kk]]
[01:28:18.614]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.614]                     next
[01:28:18.614]                   args[[name]] <- ""
[01:28:18.614]                 }
[01:28:18.614]                 NAMES <- toupper(removed)
[01:28:18.614]                 for (kk in seq_along(NAMES)) {
[01:28:18.614]                   name <- removed[[kk]]
[01:28:18.614]                   NAME <- NAMES[[kk]]
[01:28:18.614]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.614]                     next
[01:28:18.614]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.614]                 }
[01:28:18.614]                 if (length(args) > 0) 
[01:28:18.614]                   base::do.call(base::Sys.setenv, args = args)
[01:28:18.614]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[01:28:18.614]             }
[01:28:18.614]             else {
[01:28:18.614]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[01:28:18.614]             }
[01:28:18.614]             {
[01:28:18.614]                 if (base::length(...future.futureOptionsAdded) > 
[01:28:18.614]                   0L) {
[01:28:18.614]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[01:28:18.614]                   base::names(opts) <- ...future.futureOptionsAdded
[01:28:18.614]                   base::options(opts)
[01:28:18.614]                 }
[01:28:18.614]                 {
[01:28:18.614]                   {
[01:28:18.614]                     base::options(mc.cores = ...future.mc.cores.old)
[01:28:18.614]                     NULL
[01:28:18.614]                   }
[01:28:18.614]                   options(future.plan = NULL)
[01:28:18.614]                   if (is.na(NA_character_)) 
[01:28:18.614]                     Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.614]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[01:28:18.614]                   future::plan(list(function (..., workers = 2L, 
[01:28:18.614]                     envir = parent.frame()) 
[01:28:18.614]                   strategy(..., workers = workers, envir = envir)), 
[01:28:18.614]                     .cleanup = FALSE, .init = FALSE)
[01:28:18.614]                 }
[01:28:18.614]             }
[01:28:18.614]         }
[01:28:18.614]     })
[01:28:18.614]     if (TRUE) {
[01:28:18.614]         base::sink(type = "output", split = FALSE)
[01:28:18.614]         if (TRUE) {
[01:28:18.614]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[01:28:18.614]         }
[01:28:18.614]         else {
[01:28:18.614]             ...future.result["stdout"] <- base::list(NULL)
[01:28:18.614]         }
[01:28:18.614]         base::close(...future.stdout)
[01:28:18.614]         ...future.stdout <- NULL
[01:28:18.614]     }
[01:28:18.614]     ...future.result$conditions <- ...future.conditions
[01:28:18.614]     ...future.result$finished <- base::Sys.time()
[01:28:18.614]     ...future.result
[01:28:18.614] }
[01:28:18.620] MultisessionFuture started
[01:28:18.620] - Launch lazy future ... done
[01:28:18.621] run() for 'MultisessionFuture' ... done
> stopifnot(inherits(f1, "MultisessionFuture"))
> cat(sprintf("Future #1 session: %d\n", f1$node))
Future #1 session: 1
> v1 <- value(f1)
[01:28:18.621] result() for ClusterFuture ...
[01:28:18.621] receiveMessageFromWorker() for ClusterFuture ...
[01:28:18.621] - Validating connection of MultisessionFuture
[01:28:18.644] - received message: FutureResult
[01:28:18.644] - Received FutureResult
[01:28:18.645] - Erased future from FutureRegistry
[01:28:18.645] result() for ClusterFuture ...
[01:28:18.645] - result already collected: FutureResult
[01:28:18.645] result() for ClusterFuture ... done
[01:28:18.645] receiveMessageFromWorker() for ClusterFuture ... done
[01:28:18.646] result() for ClusterFuture ... done
[01:28:18.646] result() for ClusterFuture ...
[01:28:18.646] - result already collected: FutureResult
[01:28:18.646] result() for ClusterFuture ... done
> cat(sprintf("Future #1 R process: %s\n", v1))
Future #1 R process: e8be5f7e-7200-d71b-df57-c58b26cabcdb
> stopifnot(v1 != session_uuid)
> 
> message("Creating future #2:")
Creating future #2:
> f2 <- future({ future:::session_uuid(attributes = TRUE) })
[01:28:18.647] getGlobalsAndPackages() ...
[01:28:18.647] Searching for globals...
[01:28:18.648] - globals found: [2] '{', ':::'
[01:28:18.648] Searching for globals ... DONE
[01:28:18.649] Resolving globals: FALSE
[01:28:18.649] 
[01:28:18.649] 
[01:28:18.650] getGlobalsAndPackages() ... DONE
[01:28:18.650] run() for 'Future' ...
[01:28:18.650] - state: 'created'
[01:28:18.650] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[01:28:18.663] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[01:28:18.664] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[01:28:18.664]   - Field: 'node'
[01:28:18.664]   - Field: 'label'
[01:28:18.664]   - Field: 'local'
[01:28:18.664]   - Field: 'owner'
[01:28:18.665]   - Field: 'envir'
[01:28:18.665]   - Field: 'workers'
[01:28:18.665]   - Field: 'packages'
[01:28:18.665]   - Field: 'gc'
[01:28:18.665]   - Field: 'conditions'
[01:28:18.666]   - Field: 'persistent'
[01:28:18.666]   - Field: 'expr'
[01:28:18.666]   - Field: 'uuid'
[01:28:18.666]   - Field: 'seed'
[01:28:18.666]   - Field: 'version'
[01:28:18.667]   - Field: 'result'
[01:28:18.667]   - Field: 'asynchronous'
[01:28:18.667]   - Field: 'calls'
[01:28:18.667]   - Field: 'globals'
[01:28:18.667]   - Field: 'stdout'
[01:28:18.668]   - Field: 'earlySignal'
[01:28:18.668]   - Field: 'lazy'
[01:28:18.668]   - Field: 'state'
[01:28:18.668] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[01:28:18.668] - Launch lazy future ...
[01:28:18.669] Packages needed by the future expression (n = 0): <none>
[01:28:18.669] Packages needed by future strategies (n = 0): <none>
[01:28:18.670] {
[01:28:18.670]     {
[01:28:18.670]         {
[01:28:18.670]             ...future.startTime <- base::Sys.time()
[01:28:18.670]             {
[01:28:18.670]                 {
[01:28:18.670]                   {
[01:28:18.670]                     {
[01:28:18.670]                       base::local({
[01:28:18.670]                         has_future <- base::requireNamespace("future", 
[01:28:18.670]                           quietly = TRUE)
[01:28:18.670]                         if (has_future) {
[01:28:18.670]                           ns <- base::getNamespace("future")
[01:28:18.670]                           version <- ns[[".package"]][["version"]]
[01:28:18.670]                           if (is.null(version)) 
[01:28:18.670]                             version <- utils::packageVersion("future")
[01:28:18.670]                         }
[01:28:18.670]                         else {
[01:28:18.670]                           version <- NULL
[01:28:18.670]                         }
[01:28:18.670]                         if (!has_future || version < "1.8.0") {
[01:28:18.670]                           info <- base::c(r_version = base::gsub("R version ", 
[01:28:18.670]                             "", base::R.version$version.string), 
[01:28:18.670]                             platform = base::sprintf("%s (%s-bit)", 
[01:28:18.670]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[01:28:18.670]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[01:28:18.670]                               "release", "version")], collapse = " "), 
[01:28:18.670]                             hostname = base::Sys.info()[["nodename"]])
[01:28:18.670]                           info <- base::sprintf("%s: %s", base::names(info), 
[01:28:18.670]                             info)
[01:28:18.670]                           info <- base::paste(info, collapse = "; ")
[01:28:18.670]                           if (!has_future) {
[01:28:18.670]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[01:28:18.670]                               info)
[01:28:18.670]                           }
[01:28:18.670]                           else {
[01:28:18.670]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[01:28:18.670]                               info, version)
[01:28:18.670]                           }
[01:28:18.670]                           base::stop(msg)
[01:28:18.670]                         }
[01:28:18.670]                       })
[01:28:18.670]                     }
[01:28:18.670]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[01:28:18.670]                     base::options(mc.cores = 1L)
[01:28:18.670]                   }
[01:28:18.670]                   options(future.plan = NULL)
[01:28:18.670]                   Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.670]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[01:28:18.670]                 }
[01:28:18.670]                 ...future.workdir <- getwd()
[01:28:18.670]             }
[01:28:18.670]             ...future.oldOptions <- base::as.list(base::.Options)
[01:28:18.670]             ...future.oldEnvVars <- base::Sys.getenv()
[01:28:18.670]         }
[01:28:18.670]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[01:28:18.670]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[01:28:18.670]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[01:28:18.670]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[01:28:18.670]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[01:28:18.670]             future.stdout.windows.reencode = NULL, width = 80L)
[01:28:18.670]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[01:28:18.670]             base::names(...future.oldOptions))
[01:28:18.670]     }
[01:28:18.670]     if (FALSE) {
[01:28:18.670]     }
[01:28:18.670]     else {
[01:28:18.670]         if (TRUE) {
[01:28:18.670]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[01:28:18.670]                 open = "w")
[01:28:18.670]         }
[01:28:18.670]         else {
[01:28:18.670]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[01:28:18.670]                 windows = "NUL", "/dev/null"), open = "w")
[01:28:18.670]         }
[01:28:18.670]         base::sink(...future.stdout, type = "output", split = FALSE)
[01:28:18.670]         base::on.exit(if (!base::is.null(...future.stdout)) {
[01:28:18.670]             base::sink(type = "output", split = FALSE)
[01:28:18.670]             base::close(...future.stdout)
[01:28:18.670]         }, add = TRUE)
[01:28:18.670]     }
[01:28:18.670]     ...future.frame <- base::sys.nframe()
[01:28:18.670]     ...future.conditions <- base::list()
[01:28:18.670]     ...future.rng <- base::globalenv()$.Random.seed
[01:28:18.670]     if (FALSE) {
[01:28:18.670]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[01:28:18.670]             "...future.value", "...future.globalenv.names", ".Random.seed")
[01:28:18.670]     }
[01:28:18.670]     ...future.result <- base::tryCatch({
[01:28:18.670]         base::withCallingHandlers({
[01:28:18.670]             ...future.value <- base::withVisible(base::local({
[01:28:18.670]                 ...future.makeSendCondition <- base::local({
[01:28:18.670]                   sendCondition <- NULL
[01:28:18.670]                   function(frame = 1L) {
[01:28:18.670]                     if (is.function(sendCondition)) 
[01:28:18.670]                       return(sendCondition)
[01:28:18.670]                     ns <- getNamespace("parallel")
[01:28:18.670]                     if (exists("sendData", mode = "function", 
[01:28:18.670]                       envir = ns)) {
[01:28:18.670]                       parallel_sendData <- get("sendData", mode = "function", 
[01:28:18.670]                         envir = ns)
[01:28:18.670]                       envir <- sys.frame(frame)
[01:28:18.670]                       master <- NULL
[01:28:18.670]                       while (!identical(envir, .GlobalEnv) && 
[01:28:18.670]                         !identical(envir, emptyenv())) {
[01:28:18.670]                         if (exists("master", mode = "list", envir = envir, 
[01:28:18.670]                           inherits = FALSE)) {
[01:28:18.670]                           master <- get("master", mode = "list", 
[01:28:18.670]                             envir = envir, inherits = FALSE)
[01:28:18.670]                           if (inherits(master, c("SOCKnode", 
[01:28:18.670]                             "SOCK0node"))) {
[01:28:18.670]                             sendCondition <<- function(cond) {
[01:28:18.670]                               data <- list(type = "VALUE", value = cond, 
[01:28:18.670]                                 success = TRUE)
[01:28:18.670]                               parallel_sendData(master, data)
[01:28:18.670]                             }
[01:28:18.670]                             return(sendCondition)
[01:28:18.670]                           }
[01:28:18.670]                         }
[01:28:18.670]                         frame <- frame + 1L
[01:28:18.670]                         envir <- sys.frame(frame)
[01:28:18.670]                       }
[01:28:18.670]                     }
[01:28:18.670]                     sendCondition <<- function(cond) NULL
[01:28:18.670]                   }
[01:28:18.670]                 })
[01:28:18.670]                 withCallingHandlers({
[01:28:18.670]                   {
[01:28:18.670]                     future:::session_uuid(attributes = TRUE)
[01:28:18.670]                   }
[01:28:18.670]                 }, immediateCondition = function(cond) {
[01:28:18.670]                   sendCondition <- ...future.makeSendCondition()
[01:28:18.670]                   sendCondition(cond)
[01:28:18.670]                   muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.670]                   {
[01:28:18.670]                     inherits <- base::inherits
[01:28:18.670]                     invokeRestart <- base::invokeRestart
[01:28:18.670]                     is.null <- base::is.null
[01:28:18.670]                     muffled <- FALSE
[01:28:18.670]                     if (inherits(cond, "message")) {
[01:28:18.670]                       muffled <- grepl(pattern, "muffleMessage")
[01:28:18.670]                       if (muffled) 
[01:28:18.670]                         invokeRestart("muffleMessage")
[01:28:18.670]                     }
[01:28:18.670]                     else if (inherits(cond, "warning")) {
[01:28:18.670]                       muffled <- grepl(pattern, "muffleWarning")
[01:28:18.670]                       if (muffled) 
[01:28:18.670]                         invokeRestart("muffleWarning")
[01:28:18.670]                     }
[01:28:18.670]                     else if (inherits(cond, "condition")) {
[01:28:18.670]                       if (!is.null(pattern)) {
[01:28:18.670]                         computeRestarts <- base::computeRestarts
[01:28:18.670]                         grepl <- base::grepl
[01:28:18.670]                         restarts <- computeRestarts(cond)
[01:28:18.670]                         for (restart in restarts) {
[01:28:18.670]                           name <- restart$name
[01:28:18.670]                           if (is.null(name)) 
[01:28:18.670]                             next
[01:28:18.670]                           if (!grepl(pattern, name)) 
[01:28:18.670]                             next
[01:28:18.670]                           invokeRestart(restart)
[01:28:18.670]                           muffled <- TRUE
[01:28:18.670]                           break
[01:28:18.670]                         }
[01:28:18.670]                       }
[01:28:18.670]                     }
[01:28:18.670]                     invisible(muffled)
[01:28:18.670]                   }
[01:28:18.670]                   muffleCondition(cond)
[01:28:18.670]                 })
[01:28:18.670]             }))
[01:28:18.670]             future::FutureResult(value = ...future.value$value, 
[01:28:18.670]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.670]                   ...future.rng), globalenv = if (FALSE) 
[01:28:18.670]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[01:28:18.670]                     ...future.globalenv.names))
[01:28:18.670]                 else NULL, started = ...future.startTime, version = "1.8")
[01:28:18.670]         }, condition = base::local({
[01:28:18.670]             c <- base::c
[01:28:18.670]             inherits <- base::inherits
[01:28:18.670]             invokeRestart <- base::invokeRestart
[01:28:18.670]             length <- base::length
[01:28:18.670]             list <- base::list
[01:28:18.670]             seq.int <- base::seq.int
[01:28:18.670]             signalCondition <- base::signalCondition
[01:28:18.670]             sys.calls <- base::sys.calls
[01:28:18.670]             `[[` <- base::`[[`
[01:28:18.670]             `+` <- base::`+`
[01:28:18.670]             `<<-` <- base::`<<-`
[01:28:18.670]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[01:28:18.670]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[01:28:18.670]                   3L)]
[01:28:18.670]             }
[01:28:18.670]             function(cond) {
[01:28:18.670]                 is_error <- inherits(cond, "error")
[01:28:18.670]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[01:28:18.670]                   NULL)
[01:28:18.670]                 if (is_error) {
[01:28:18.670]                   sessionInformation <- function() {
[01:28:18.670]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[01:28:18.670]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[01:28:18.670]                       search = base::search(), system = base::Sys.info())
[01:28:18.670]                   }
[01:28:18.670]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.670]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[01:28:18.670]                     cond$call), session = sessionInformation(), 
[01:28:18.670]                     timestamp = base::Sys.time(), signaled = 0L)
[01:28:18.670]                   signalCondition(cond)
[01:28:18.670]                 }
[01:28:18.670]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[01:28:18.670]                 "immediateCondition"))) {
[01:28:18.670]                   signal <- TRUE && inherits(cond, "immediateCondition")
[01:28:18.670]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.670]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[01:28:18.670]                   if (TRUE && !signal) {
[01:28:18.670]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.670]                     {
[01:28:18.670]                       inherits <- base::inherits
[01:28:18.670]                       invokeRestart <- base::invokeRestart
[01:28:18.670]                       is.null <- base::is.null
[01:28:18.670]                       muffled <- FALSE
[01:28:18.670]                       if (inherits(cond, "message")) {
[01:28:18.670]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.670]                         if (muffled) 
[01:28:18.670]                           invokeRestart("muffleMessage")
[01:28:18.670]                       }
[01:28:18.670]                       else if (inherits(cond, "warning")) {
[01:28:18.670]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.670]                         if (muffled) 
[01:28:18.670]                           invokeRestart("muffleWarning")
[01:28:18.670]                       }
[01:28:18.670]                       else if (inherits(cond, "condition")) {
[01:28:18.670]                         if (!is.null(pattern)) {
[01:28:18.670]                           computeRestarts <- base::computeRestarts
[01:28:18.670]                           grepl <- base::grepl
[01:28:18.670]                           restarts <- computeRestarts(cond)
[01:28:18.670]                           for (restart in restarts) {
[01:28:18.670]                             name <- restart$name
[01:28:18.670]                             if (is.null(name)) 
[01:28:18.670]                               next
[01:28:18.670]                             if (!grepl(pattern, name)) 
[01:28:18.670]                               next
[01:28:18.670]                             invokeRestart(restart)
[01:28:18.670]                             muffled <- TRUE
[01:28:18.670]                             break
[01:28:18.670]                           }
[01:28:18.670]                         }
[01:28:18.670]                       }
[01:28:18.670]                       invisible(muffled)
[01:28:18.670]                     }
[01:28:18.670]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.670]                   }
[01:28:18.670]                 }
[01:28:18.670]                 else {
[01:28:18.670]                   if (TRUE) {
[01:28:18.670]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.670]                     {
[01:28:18.670]                       inherits <- base::inherits
[01:28:18.670]                       invokeRestart <- base::invokeRestart
[01:28:18.670]                       is.null <- base::is.null
[01:28:18.670]                       muffled <- FALSE
[01:28:18.670]                       if (inherits(cond, "message")) {
[01:28:18.670]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.670]                         if (muffled) 
[01:28:18.670]                           invokeRestart("muffleMessage")
[01:28:18.670]                       }
[01:28:18.670]                       else if (inherits(cond, "warning")) {
[01:28:18.670]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.670]                         if (muffled) 
[01:28:18.670]                           invokeRestart("muffleWarning")
[01:28:18.670]                       }
[01:28:18.670]                       else if (inherits(cond, "condition")) {
[01:28:18.670]                         if (!is.null(pattern)) {
[01:28:18.670]                           computeRestarts <- base::computeRestarts
[01:28:18.670]                           grepl <- base::grepl
[01:28:18.670]                           restarts <- computeRestarts(cond)
[01:28:18.670]                           for (restart in restarts) {
[01:28:18.670]                             name <- restart$name
[01:28:18.670]                             if (is.null(name)) 
[01:28:18.670]                               next
[01:28:18.670]                             if (!grepl(pattern, name)) 
[01:28:18.670]                               next
[01:28:18.670]                             invokeRestart(restart)
[01:28:18.670]                             muffled <- TRUE
[01:28:18.670]                             break
[01:28:18.670]                           }
[01:28:18.670]                         }
[01:28:18.670]                       }
[01:28:18.670]                       invisible(muffled)
[01:28:18.670]                     }
[01:28:18.670]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.670]                   }
[01:28:18.670]                 }
[01:28:18.670]             }
[01:28:18.670]         }))
[01:28:18.670]     }, error = function(ex) {
[01:28:18.670]         base::structure(base::list(value = NULL, visible = NULL, 
[01:28:18.670]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.670]                 ...future.rng), started = ...future.startTime, 
[01:28:18.670]             finished = Sys.time(), session_uuid = NA_character_, 
[01:28:18.670]             version = "1.8"), class = "FutureResult")
[01:28:18.670]     }, finally = {
[01:28:18.670]         if (!identical(...future.workdir, getwd())) 
[01:28:18.670]             setwd(...future.workdir)
[01:28:18.670]         {
[01:28:18.670]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[01:28:18.670]                 ...future.oldOptions$nwarnings <- NULL
[01:28:18.670]             }
[01:28:18.670]             base::options(...future.oldOptions)
[01:28:18.670]             if (.Platform$OS.type == "windows") {
[01:28:18.670]                 old_names <- names(...future.oldEnvVars)
[01:28:18.670]                 envs <- base::Sys.getenv()
[01:28:18.670]                 names <- names(envs)
[01:28:18.670]                 common <- intersect(names, old_names)
[01:28:18.670]                 added <- setdiff(names, old_names)
[01:28:18.670]                 removed <- setdiff(old_names, names)
[01:28:18.670]                 changed <- common[...future.oldEnvVars[common] != 
[01:28:18.670]                   envs[common]]
[01:28:18.670]                 NAMES <- toupper(changed)
[01:28:18.670]                 args <- list()
[01:28:18.670]                 for (kk in seq_along(NAMES)) {
[01:28:18.670]                   name <- changed[[kk]]
[01:28:18.670]                   NAME <- NAMES[[kk]]
[01:28:18.670]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.670]                     next
[01:28:18.670]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.670]                 }
[01:28:18.670]                 NAMES <- toupper(added)
[01:28:18.670]                 for (kk in seq_along(NAMES)) {
[01:28:18.670]                   name <- added[[kk]]
[01:28:18.670]                   NAME <- NAMES[[kk]]
[01:28:18.670]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.670]                     next
[01:28:18.670]                   args[[name]] <- ""
[01:28:18.670]                 }
[01:28:18.670]                 NAMES <- toupper(removed)
[01:28:18.670]                 for (kk in seq_along(NAMES)) {
[01:28:18.670]                   name <- removed[[kk]]
[01:28:18.670]                   NAME <- NAMES[[kk]]
[01:28:18.670]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.670]                     next
[01:28:18.670]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.670]                 }
[01:28:18.670]                 if (length(args) > 0) 
[01:28:18.670]                   base::do.call(base::Sys.setenv, args = args)
[01:28:18.670]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[01:28:18.670]             }
[01:28:18.670]             else {
[01:28:18.670]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[01:28:18.670]             }
[01:28:18.670]             {
[01:28:18.670]                 if (base::length(...future.futureOptionsAdded) > 
[01:28:18.670]                   0L) {
[01:28:18.670]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[01:28:18.670]                   base::names(opts) <- ...future.futureOptionsAdded
[01:28:18.670]                   base::options(opts)
[01:28:18.670]                 }
[01:28:18.670]                 {
[01:28:18.670]                   {
[01:28:18.670]                     base::options(mc.cores = ...future.mc.cores.old)
[01:28:18.670]                     NULL
[01:28:18.670]                   }
[01:28:18.670]                   options(future.plan = NULL)
[01:28:18.670]                   if (is.na(NA_character_)) 
[01:28:18.670]                     Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.670]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[01:28:18.670]                   future::plan(list(function (..., workers = 2L, 
[01:28:18.670]                     envir = parent.frame()) 
[01:28:18.670]                   strategy(..., workers = workers, envir = envir)), 
[01:28:18.670]                     .cleanup = FALSE, .init = FALSE)
[01:28:18.670]                 }
[01:28:18.670]             }
[01:28:18.670]         }
[01:28:18.670]     })
[01:28:18.670]     if (TRUE) {
[01:28:18.670]         base::sink(type = "output", split = FALSE)
[01:28:18.670]         if (TRUE) {
[01:28:18.670]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[01:28:18.670]         }
[01:28:18.670]         else {
[01:28:18.670]             ...future.result["stdout"] <- base::list(NULL)
[01:28:18.670]         }
[01:28:18.670]         base::close(...future.stdout)
[01:28:18.670]         ...future.stdout <- NULL
[01:28:18.670]     }
[01:28:18.670]     ...future.result$conditions <- ...future.conditions
[01:28:18.670]     ...future.result$finished <- base::Sys.time()
[01:28:18.670]     ...future.result
[01:28:18.670] }
[01:28:18.679] MultisessionFuture started
[01:28:18.679] - Launch lazy future ... done
[01:28:18.679] run() for 'MultisessionFuture' ... done
> stopifnot(inherits(f2, "MultisessionFuture"))
> cat(sprintf("Future #2 session: %d\n", f2$node))
Future #2 session: 1
> v2 <- value(f2)
[01:28:18.679] result() for ClusterFuture ...
[01:28:18.679] receiveMessageFromWorker() for ClusterFuture ...
[01:28:18.680] - Validating connection of MultisessionFuture
[01:28:18.693] - received message: FutureResult
[01:28:18.693] - Received FutureResult
[01:28:18.693] - Erased future from FutureRegistry
[01:28:18.693] result() for ClusterFuture ...
[01:28:18.693] - result already collected: FutureResult
[01:28:18.693] result() for ClusterFuture ... done
[01:28:18.694] receiveMessageFromWorker() for ClusterFuture ... done
[01:28:18.694] result() for ClusterFuture ... done
[01:28:18.694] result() for ClusterFuture ...
[01:28:18.694] - result already collected: FutureResult
[01:28:18.694] result() for ClusterFuture ... done
> cat(sprintf("Future #2 R process: %s\n", v2))
Future #2 R process: e8be5f7e-7200-d71b-df57-c58b26cabcdb
> stopifnot(v2 != session_uuid)
> 
> message("Creating future #3:")
Creating future #3:
> f3 <- future({ f1$owner })
[01:28:18.695] getGlobalsAndPackages() ...
[01:28:18.695] Searching for globals...
[01:28:18.696] - globals found: [3] '{', '$', 'f1'
[01:28:18.696] Searching for globals ... DONE
[01:28:18.696] Resolving globals: FALSE
[01:28:18.700] The total size of the 1 globals is 1.58 MiB (1653440 bytes)
[01:28:18.700] The total size of the 1 globals exported for future expression ('{; f1$owner; }') is 1.58 MiB.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'f1' (1.58 MiB of class 'environment')
[01:28:18.701] - globals: [1] 'f1'
[01:28:18.701] 
[01:28:18.701] getGlobalsAndPackages() ... DONE
[01:28:18.701] run() for 'Future' ...
[01:28:18.701] - state: 'created'
[01:28:18.702] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[01:28:18.714] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[01:28:18.714] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[01:28:18.714]   - Field: 'node'
[01:28:18.714]   - Field: 'label'
[01:28:18.715]   - Field: 'local'
[01:28:18.715]   - Field: 'owner'
[01:28:18.715]   - Field: 'envir'
[01:28:18.715]   - Field: 'workers'
[01:28:18.715]   - Field: 'packages'
[01:28:18.716]   - Field: 'gc'
[01:28:18.716]   - Field: 'conditions'
[01:28:18.716]   - Field: 'persistent'
[01:28:18.716]   - Field: 'expr'
[01:28:18.716]   - Field: 'uuid'
[01:28:18.716]   - Field: 'seed'
[01:28:18.717]   - Field: 'version'
[01:28:18.717]   - Field: 'result'
[01:28:18.717]   - Field: 'asynchronous'
[01:28:18.717]   - Field: 'calls'
[01:28:18.717]   - Field: 'globals'
[01:28:18.717]   - Field: 'stdout'
[01:28:18.718]   - Field: 'earlySignal'
[01:28:18.718]   - Field: 'lazy'
[01:28:18.718]   - Field: 'state'
[01:28:18.718] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[01:28:18.718] - Launch lazy future ...
[01:28:18.719] Packages needed by the future expression (n = 0): <none>
[01:28:18.719] Packages needed by future strategies (n = 0): <none>
[01:28:18.719] {
[01:28:18.719]     {
[01:28:18.719]         {
[01:28:18.719]             ...future.startTime <- base::Sys.time()
[01:28:18.719]             {
[01:28:18.719]                 {
[01:28:18.719]                   {
[01:28:18.719]                     {
[01:28:18.719]                       base::local({
[01:28:18.719]                         has_future <- base::requireNamespace("future", 
[01:28:18.719]                           quietly = TRUE)
[01:28:18.719]                         if (has_future) {
[01:28:18.719]                           ns <- base::getNamespace("future")
[01:28:18.719]                           version <- ns[[".package"]][["version"]]
[01:28:18.719]                           if (is.null(version)) 
[01:28:18.719]                             version <- utils::packageVersion("future")
[01:28:18.719]                         }
[01:28:18.719]                         else {
[01:28:18.719]                           version <- NULL
[01:28:18.719]                         }
[01:28:18.719]                         if (!has_future || version < "1.8.0") {
[01:28:18.719]                           info <- base::c(r_version = base::gsub("R version ", 
[01:28:18.719]                             "", base::R.version$version.string), 
[01:28:18.719]                             platform = base::sprintf("%s (%s-bit)", 
[01:28:18.719]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[01:28:18.719]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[01:28:18.719]                               "release", "version")], collapse = " "), 
[01:28:18.719]                             hostname = base::Sys.info()[["nodename"]])
[01:28:18.719]                           info <- base::sprintf("%s: %s", base::names(info), 
[01:28:18.719]                             info)
[01:28:18.719]                           info <- base::paste(info, collapse = "; ")
[01:28:18.719]                           if (!has_future) {
[01:28:18.719]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[01:28:18.719]                               info)
[01:28:18.719]                           }
[01:28:18.719]                           else {
[01:28:18.719]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[01:28:18.719]                               info, version)
[01:28:18.719]                           }
[01:28:18.719]                           base::stop(msg)
[01:28:18.719]                         }
[01:28:18.719]                       })
[01:28:18.719]                     }
[01:28:18.719]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[01:28:18.719]                     base::options(mc.cores = 1L)
[01:28:18.719]                   }
[01:28:18.719]                   options(future.plan = NULL)
[01:28:18.719]                   Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.719]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[01:28:18.719]                 }
[01:28:18.719]                 ...future.workdir <- getwd()
[01:28:18.719]             }
[01:28:18.719]             ...future.oldOptions <- base::as.list(base::.Options)
[01:28:18.719]             ...future.oldEnvVars <- base::Sys.getenv()
[01:28:18.719]         }
[01:28:18.719]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[01:28:18.719]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[01:28:18.719]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[01:28:18.719]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[01:28:18.719]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[01:28:18.719]             future.stdout.windows.reencode = NULL, width = 80L)
[01:28:18.719]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[01:28:18.719]             base::names(...future.oldOptions))
[01:28:18.719]     }
[01:28:18.719]     if (FALSE) {
[01:28:18.719]     }
[01:28:18.719]     else {
[01:28:18.719]         if (TRUE) {
[01:28:18.719]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[01:28:18.719]                 open = "w")
[01:28:18.719]         }
[01:28:18.719]         else {
[01:28:18.719]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[01:28:18.719]                 windows = "NUL", "/dev/null"), open = "w")
[01:28:18.719]         }
[01:28:18.719]         base::sink(...future.stdout, type = "output", split = FALSE)
[01:28:18.719]         base::on.exit(if (!base::is.null(...future.stdout)) {
[01:28:18.719]             base::sink(type = "output", split = FALSE)
[01:28:18.719]             base::close(...future.stdout)
[01:28:18.719]         }, add = TRUE)
[01:28:18.719]     }
[01:28:18.719]     ...future.frame <- base::sys.nframe()
[01:28:18.719]     ...future.conditions <- base::list()
[01:28:18.719]     ...future.rng <- base::globalenv()$.Random.seed
[01:28:18.719]     if (FALSE) {
[01:28:18.719]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[01:28:18.719]             "...future.value", "...future.globalenv.names", ".Random.seed")
[01:28:18.719]     }
[01:28:18.719]     ...future.result <- base::tryCatch({
[01:28:18.719]         base::withCallingHandlers({
[01:28:18.719]             ...future.value <- base::withVisible(base::local({
[01:28:18.719]                 ...future.makeSendCondition <- base::local({
[01:28:18.719]                   sendCondition <- NULL
[01:28:18.719]                   function(frame = 1L) {
[01:28:18.719]                     if (is.function(sendCondition)) 
[01:28:18.719]                       return(sendCondition)
[01:28:18.719]                     ns <- getNamespace("parallel")
[01:28:18.719]                     if (exists("sendData", mode = "function", 
[01:28:18.719]                       envir = ns)) {
[01:28:18.719]                       parallel_sendData <- get("sendData", mode = "function", 
[01:28:18.719]                         envir = ns)
[01:28:18.719]                       envir <- sys.frame(frame)
[01:28:18.719]                       master <- NULL
[01:28:18.719]                       while (!identical(envir, .GlobalEnv) && 
[01:28:18.719]                         !identical(envir, emptyenv())) {
[01:28:18.719]                         if (exists("master", mode = "list", envir = envir, 
[01:28:18.719]                           inherits = FALSE)) {
[01:28:18.719]                           master <- get("master", mode = "list", 
[01:28:18.719]                             envir = envir, inherits = FALSE)
[01:28:18.719]                           if (inherits(master, c("SOCKnode", 
[01:28:18.719]                             "SOCK0node"))) {
[01:28:18.719]                             sendCondition <<- function(cond) {
[01:28:18.719]                               data <- list(type = "VALUE", value = cond, 
[01:28:18.719]                                 success = TRUE)
[01:28:18.719]                               parallel_sendData(master, data)
[01:28:18.719]                             }
[01:28:18.719]                             return(sendCondition)
[01:28:18.719]                           }
[01:28:18.719]                         }
[01:28:18.719]                         frame <- frame + 1L
[01:28:18.719]                         envir <- sys.frame(frame)
[01:28:18.719]                       }
[01:28:18.719]                     }
[01:28:18.719]                     sendCondition <<- function(cond) NULL
[01:28:18.719]                   }
[01:28:18.719]                 })
[01:28:18.719]                 withCallingHandlers({
[01:28:18.719]                   {
[01:28:18.719]                     f1$owner
[01:28:18.719]                   }
[01:28:18.719]                 }, immediateCondition = function(cond) {
[01:28:18.719]                   sendCondition <- ...future.makeSendCondition()
[01:28:18.719]                   sendCondition(cond)
[01:28:18.719]                   muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.719]                   {
[01:28:18.719]                     inherits <- base::inherits
[01:28:18.719]                     invokeRestart <- base::invokeRestart
[01:28:18.719]                     is.null <- base::is.null
[01:28:18.719]                     muffled <- FALSE
[01:28:18.719]                     if (inherits(cond, "message")) {
[01:28:18.719]                       muffled <- grepl(pattern, "muffleMessage")
[01:28:18.719]                       if (muffled) 
[01:28:18.719]                         invokeRestart("muffleMessage")
[01:28:18.719]                     }
[01:28:18.719]                     else if (inherits(cond, "warning")) {
[01:28:18.719]                       muffled <- grepl(pattern, "muffleWarning")
[01:28:18.719]                       if (muffled) 
[01:28:18.719]                         invokeRestart("muffleWarning")
[01:28:18.719]                     }
[01:28:18.719]                     else if (inherits(cond, "condition")) {
[01:28:18.719]                       if (!is.null(pattern)) {
[01:28:18.719]                         computeRestarts <- base::computeRestarts
[01:28:18.719]                         grepl <- base::grepl
[01:28:18.719]                         restarts <- computeRestarts(cond)
[01:28:18.719]                         for (restart in restarts) {
[01:28:18.719]                           name <- restart$name
[01:28:18.719]                           if (is.null(name)) 
[01:28:18.719]                             next
[01:28:18.719]                           if (!grepl(pattern, name)) 
[01:28:18.719]                             next
[01:28:18.719]                           invokeRestart(restart)
[01:28:18.719]                           muffled <- TRUE
[01:28:18.719]                           break
[01:28:18.719]                         }
[01:28:18.719]                       }
[01:28:18.719]                     }
[01:28:18.719]                     invisible(muffled)
[01:28:18.719]                   }
[01:28:18.719]                   muffleCondition(cond)
[01:28:18.719]                 })
[01:28:18.719]             }))
[01:28:18.719]             future::FutureResult(value = ...future.value$value, 
[01:28:18.719]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.719]                   ...future.rng), globalenv = if (FALSE) 
[01:28:18.719]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[01:28:18.719]                     ...future.globalenv.names))
[01:28:18.719]                 else NULL, started = ...future.startTime, version = "1.8")
[01:28:18.719]         }, condition = base::local({
[01:28:18.719]             c <- base::c
[01:28:18.719]             inherits <- base::inherits
[01:28:18.719]             invokeRestart <- base::invokeRestart
[01:28:18.719]             length <- base::length
[01:28:18.719]             list <- base::list
[01:28:18.719]             seq.int <- base::seq.int
[01:28:18.719]             signalCondition <- base::signalCondition
[01:28:18.719]             sys.calls <- base::sys.calls
[01:28:18.719]             `[[` <- base::`[[`
[01:28:18.719]             `+` <- base::`+`
[01:28:18.719]             `<<-` <- base::`<<-`
[01:28:18.719]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[01:28:18.719]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[01:28:18.719]                   3L)]
[01:28:18.719]             }
[01:28:18.719]             function(cond) {
[01:28:18.719]                 is_error <- inherits(cond, "error")
[01:28:18.719]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[01:28:18.719]                   NULL)
[01:28:18.719]                 if (is_error) {
[01:28:18.719]                   sessionInformation <- function() {
[01:28:18.719]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[01:28:18.719]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[01:28:18.719]                       search = base::search(), system = base::Sys.info())
[01:28:18.719]                   }
[01:28:18.719]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.719]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[01:28:18.719]                     cond$call), session = sessionInformation(), 
[01:28:18.719]                     timestamp = base::Sys.time(), signaled = 0L)
[01:28:18.719]                   signalCondition(cond)
[01:28:18.719]                 }
[01:28:18.719]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[01:28:18.719]                 "immediateCondition"))) {
[01:28:18.719]                   signal <- TRUE && inherits(cond, "immediateCondition")
[01:28:18.719]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.719]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[01:28:18.719]                   if (TRUE && !signal) {
[01:28:18.719]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.719]                     {
[01:28:18.719]                       inherits <- base::inherits
[01:28:18.719]                       invokeRestart <- base::invokeRestart
[01:28:18.719]                       is.null <- base::is.null
[01:28:18.719]                       muffled <- FALSE
[01:28:18.719]                       if (inherits(cond, "message")) {
[01:28:18.719]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.719]                         if (muffled) 
[01:28:18.719]                           invokeRestart("muffleMessage")
[01:28:18.719]                       }
[01:28:18.719]                       else if (inherits(cond, "warning")) {
[01:28:18.719]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.719]                         if (muffled) 
[01:28:18.719]                           invokeRestart("muffleWarning")
[01:28:18.719]                       }
[01:28:18.719]                       else if (inherits(cond, "condition")) {
[01:28:18.719]                         if (!is.null(pattern)) {
[01:28:18.719]                           computeRestarts <- base::computeRestarts
[01:28:18.719]                           grepl <- base::grepl
[01:28:18.719]                           restarts <- computeRestarts(cond)
[01:28:18.719]                           for (restart in restarts) {
[01:28:18.719]                             name <- restart$name
[01:28:18.719]                             if (is.null(name)) 
[01:28:18.719]                               next
[01:28:18.719]                             if (!grepl(pattern, name)) 
[01:28:18.719]                               next
[01:28:18.719]                             invokeRestart(restart)
[01:28:18.719]                             muffled <- TRUE
[01:28:18.719]                             break
[01:28:18.719]                           }
[01:28:18.719]                         }
[01:28:18.719]                       }
[01:28:18.719]                       invisible(muffled)
[01:28:18.719]                     }
[01:28:18.719]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.719]                   }
[01:28:18.719]                 }
[01:28:18.719]                 else {
[01:28:18.719]                   if (TRUE) {
[01:28:18.719]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.719]                     {
[01:28:18.719]                       inherits <- base::inherits
[01:28:18.719]                       invokeRestart <- base::invokeRestart
[01:28:18.719]                       is.null <- base::is.null
[01:28:18.719]                       muffled <- FALSE
[01:28:18.719]                       if (inherits(cond, "message")) {
[01:28:18.719]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.719]                         if (muffled) 
[01:28:18.719]                           invokeRestart("muffleMessage")
[01:28:18.719]                       }
[01:28:18.719]                       else if (inherits(cond, "warning")) {
[01:28:18.719]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.719]                         if (muffled) 
[01:28:18.719]                           invokeRestart("muffleWarning")
[01:28:18.719]                       }
[01:28:18.719]                       else if (inherits(cond, "condition")) {
[01:28:18.719]                         if (!is.null(pattern)) {
[01:28:18.719]                           computeRestarts <- base::computeRestarts
[01:28:18.719]                           grepl <- base::grepl
[01:28:18.719]                           restarts <- computeRestarts(cond)
[01:28:18.719]                           for (restart in restarts) {
[01:28:18.719]                             name <- restart$name
[01:28:18.719]                             if (is.null(name)) 
[01:28:18.719]                               next
[01:28:18.719]                             if (!grepl(pattern, name)) 
[01:28:18.719]                               next
[01:28:18.719]                             invokeRestart(restart)
[01:28:18.719]                             muffled <- TRUE
[01:28:18.719]                             break
[01:28:18.719]                           }
[01:28:18.719]                         }
[01:28:18.719]                       }
[01:28:18.719]                       invisible(muffled)
[01:28:18.719]                     }
[01:28:18.719]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.719]                   }
[01:28:18.719]                 }
[01:28:18.719]             }
[01:28:18.719]         }))
[01:28:18.719]     }, error = function(ex) {
[01:28:18.719]         base::structure(base::list(value = NULL, visible = NULL, 
[01:28:18.719]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.719]                 ...future.rng), started = ...future.startTime, 
[01:28:18.719]             finished = Sys.time(), session_uuid = NA_character_, 
[01:28:18.719]             version = "1.8"), class = "FutureResult")
[01:28:18.719]     }, finally = {
[01:28:18.719]         if (!identical(...future.workdir, getwd())) 
[01:28:18.719]             setwd(...future.workdir)
[01:28:18.719]         {
[01:28:18.719]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[01:28:18.719]                 ...future.oldOptions$nwarnings <- NULL
[01:28:18.719]             }
[01:28:18.719]             base::options(...future.oldOptions)
[01:28:18.719]             if (.Platform$OS.type == "windows") {
[01:28:18.719]                 old_names <- names(...future.oldEnvVars)
[01:28:18.719]                 envs <- base::Sys.getenv()
[01:28:18.719]                 names <- names(envs)
[01:28:18.719]                 common <- intersect(names, old_names)
[01:28:18.719]                 added <- setdiff(names, old_names)
[01:28:18.719]                 removed <- setdiff(old_names, names)
[01:28:18.719]                 changed <- common[...future.oldEnvVars[common] != 
[01:28:18.719]                   envs[common]]
[01:28:18.719]                 NAMES <- toupper(changed)
[01:28:18.719]                 args <- list()
[01:28:18.719]                 for (kk in seq_along(NAMES)) {
[01:28:18.719]                   name <- changed[[kk]]
[01:28:18.719]                   NAME <- NAMES[[kk]]
[01:28:18.719]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.719]                     next
[01:28:18.719]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.719]                 }
[01:28:18.719]                 NAMES <- toupper(added)
[01:28:18.719]                 for (kk in seq_along(NAMES)) {
[01:28:18.719]                   name <- added[[kk]]
[01:28:18.719]                   NAME <- NAMES[[kk]]
[01:28:18.719]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.719]                     next
[01:28:18.719]                   args[[name]] <- ""
[01:28:18.719]                 }
[01:28:18.719]                 NAMES <- toupper(removed)
[01:28:18.719]                 for (kk in seq_along(NAMES)) {
[01:28:18.719]                   name <- removed[[kk]]
[01:28:18.719]                   NAME <- NAMES[[kk]]
[01:28:18.719]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.719]                     next
[01:28:18.719]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.719]                 }
[01:28:18.719]                 if (length(args) > 0) 
[01:28:18.719]                   base::do.call(base::Sys.setenv, args = args)
[01:28:18.719]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[01:28:18.719]             }
[01:28:18.719]             else {
[01:28:18.719]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[01:28:18.719]             }
[01:28:18.719]             {
[01:28:18.719]                 if (base::length(...future.futureOptionsAdded) > 
[01:28:18.719]                   0L) {
[01:28:18.719]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[01:28:18.719]                   base::names(opts) <- ...future.futureOptionsAdded
[01:28:18.719]                   base::options(opts)
[01:28:18.719]                 }
[01:28:18.719]                 {
[01:28:18.719]                   {
[01:28:18.719]                     base::options(mc.cores = ...future.mc.cores.old)
[01:28:18.719]                     NULL
[01:28:18.719]                   }
[01:28:18.719]                   options(future.plan = NULL)
[01:28:18.719]                   if (is.na(NA_character_)) 
[01:28:18.719]                     Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.719]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[01:28:18.719]                   future::plan(list(function (..., workers = 2L, 
[01:28:18.719]                     envir = parent.frame()) 
[01:28:18.719]                   strategy(..., workers = workers, envir = envir)), 
[01:28:18.719]                     .cleanup = FALSE, .init = FALSE)
[01:28:18.719]                 }
[01:28:18.719]             }
[01:28:18.719]         }
[01:28:18.719]     })
[01:28:18.719]     if (TRUE) {
[01:28:18.719]         base::sink(type = "output", split = FALSE)
[01:28:18.719]         if (TRUE) {
[01:28:18.719]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[01:28:18.719]         }
[01:28:18.719]         else {
[01:28:18.719]             ...future.result["stdout"] <- base::list(NULL)
[01:28:18.719]         }
[01:28:18.719]         base::close(...future.stdout)
[01:28:18.719]         ...future.stdout <- NULL
[01:28:18.719]     }
[01:28:18.719]     ...future.result$conditions <- ...future.conditions
[01:28:18.719]     ...future.result$finished <- base::Sys.time()
[01:28:18.719]     ...future.result
[01:28:18.719] }
[01:28:18.724] Exporting 1 global objects (1.58 MiB) to cluster node #1 ...
[01:28:18.727] Exporting 'f1' (1.58 MiB) to cluster node #1 ...
[01:28:18.738] Exporting 'f1' (1.58 MiB) to cluster node #1 ... DONE
[01:28:18.738] Exporting 1 global objects (1.58 MiB) to cluster node #1 ... DONE
[01:28:18.739] MultisessionFuture started
[01:28:18.739] - Launch lazy future ... done
[01:28:18.739] run() for 'MultisessionFuture' ... done
> stopifnot(inherits(f3, "MultisessionFuture"))
> cat(sprintf("Future #3 session: %d\n", f3$node))
Future #3 session: 1
> v3 <- value(f3)
[01:28:18.739] result() for ClusterFuture ...
[01:28:18.740] receiveMessageFromWorker() for ClusterFuture ...
[01:28:18.740] - Validating connection of MultisessionFuture
[01:28:18.754] - received message: FutureResult
[01:28:18.754] - Received FutureResult
[01:28:18.755] - Erased future from FutureRegistry
[01:28:18.755] result() for ClusterFuture ...
[01:28:18.755] - result already collected: FutureResult
[01:28:18.755] result() for ClusterFuture ... done
[01:28:18.755] receiveMessageFromWorker() for ClusterFuture ... done
[01:28:18.755] result() for ClusterFuture ... done
[01:28:18.756] result() for ClusterFuture ...
[01:28:18.756] - result already collected: FutureResult
[01:28:18.756] result() for ClusterFuture ... done
> cat(sprintf("Future #3 owner: %s\n", v3))
Future #3 owner: e2c891c4-cab0-ea03-2a69-bb67514aebf9
> stopifnot(v3 == session_uuid)
> 
> message("Creating future #4:")
Creating future #4:
> f4 <- future({ f1$owner })
[01:28:18.756] getGlobalsAndPackages() ...
[01:28:18.757] Searching for globals...
[01:28:18.758] - globals found: [3] '{', '$', 'f1'
[01:28:18.758] Searching for globals ... DONE
[01:28:18.758] Resolving globals: FALSE
[01:28:18.761] The total size of the 1 globals is 1.58 MiB (1656256 bytes)
[01:28:18.761] The total size of the 1 globals exported for future expression ('{; f1$owner; }') is 1.58 MiB.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'f1' (1.58 MiB of class 'environment')
[01:28:18.761] - globals: [1] 'f1'
[01:28:18.761] 
[01:28:18.762] getGlobalsAndPackages() ... DONE
[01:28:18.762] run() for 'Future' ...
[01:28:18.762] - state: 'created'
[01:28:18.762] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[01:28:18.775] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[01:28:18.775] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[01:28:18.776]   - Field: 'node'
[01:28:18.776]   - Field: 'label'
[01:28:18.776]   - Field: 'local'
[01:28:18.776]   - Field: 'owner'
[01:28:18.776]   - Field: 'envir'
[01:28:18.777]   - Field: 'workers'
[01:28:18.777]   - Field: 'packages'
[01:28:18.777]   - Field: 'gc'
[01:28:18.777]   - Field: 'conditions'
[01:28:18.777]   - Field: 'persistent'
[01:28:18.778]   - Field: 'expr'
[01:28:18.778]   - Field: 'uuid'
[01:28:18.778]   - Field: 'seed'
[01:28:18.778]   - Field: 'version'
[01:28:18.778]   - Field: 'result'
[01:28:18.778]   - Field: 'asynchronous'
[01:28:18.779]   - Field: 'calls'
[01:28:18.779]   - Field: 'globals'
[01:28:18.779]   - Field: 'stdout'
[01:28:18.779]   - Field: 'earlySignal'
[01:28:18.779]   - Field: 'lazy'
[01:28:18.779]   - Field: 'state'
[01:28:18.780] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[01:28:18.780] - Launch lazy future ...
[01:28:18.780] Packages needed by the future expression (n = 0): <none>
[01:28:18.780] Packages needed by future strategies (n = 0): <none>
[01:28:18.781] {
[01:28:18.781]     {
[01:28:18.781]         {
[01:28:18.781]             ...future.startTime <- base::Sys.time()
[01:28:18.781]             {
[01:28:18.781]                 {
[01:28:18.781]                   {
[01:28:18.781]                     {
[01:28:18.781]                       base::local({
[01:28:18.781]                         has_future <- base::requireNamespace("future", 
[01:28:18.781]                           quietly = TRUE)
[01:28:18.781]                         if (has_future) {
[01:28:18.781]                           ns <- base::getNamespace("future")
[01:28:18.781]                           version <- ns[[".package"]][["version"]]
[01:28:18.781]                           if (is.null(version)) 
[01:28:18.781]                             version <- utils::packageVersion("future")
[01:28:18.781]                         }
[01:28:18.781]                         else {
[01:28:18.781]                           version <- NULL
[01:28:18.781]                         }
[01:28:18.781]                         if (!has_future || version < "1.8.0") {
[01:28:18.781]                           info <- base::c(r_version = base::gsub("R version ", 
[01:28:18.781]                             "", base::R.version$version.string), 
[01:28:18.781]                             platform = base::sprintf("%s (%s-bit)", 
[01:28:18.781]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[01:28:18.781]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[01:28:18.781]                               "release", "version")], collapse = " "), 
[01:28:18.781]                             hostname = base::Sys.info()[["nodename"]])
[01:28:18.781]                           info <- base::sprintf("%s: %s", base::names(info), 
[01:28:18.781]                             info)
[01:28:18.781]                           info <- base::paste(info, collapse = "; ")
[01:28:18.781]                           if (!has_future) {
[01:28:18.781]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[01:28:18.781]                               info)
[01:28:18.781]                           }
[01:28:18.781]                           else {
[01:28:18.781]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[01:28:18.781]                               info, version)
[01:28:18.781]                           }
[01:28:18.781]                           base::stop(msg)
[01:28:18.781]                         }
[01:28:18.781]                       })
[01:28:18.781]                     }
[01:28:18.781]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[01:28:18.781]                     base::options(mc.cores = 1L)
[01:28:18.781]                   }
[01:28:18.781]                   options(future.plan = NULL)
[01:28:18.781]                   Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.781]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[01:28:18.781]                 }
[01:28:18.781]                 ...future.workdir <- getwd()
[01:28:18.781]             }
[01:28:18.781]             ...future.oldOptions <- base::as.list(base::.Options)
[01:28:18.781]             ...future.oldEnvVars <- base::Sys.getenv()
[01:28:18.781]         }
[01:28:18.781]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[01:28:18.781]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[01:28:18.781]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[01:28:18.781]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[01:28:18.781]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[01:28:18.781]             future.stdout.windows.reencode = NULL, width = 80L)
[01:28:18.781]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[01:28:18.781]             base::names(...future.oldOptions))
[01:28:18.781]     }
[01:28:18.781]     if (FALSE) {
[01:28:18.781]     }
[01:28:18.781]     else {
[01:28:18.781]         if (TRUE) {
[01:28:18.781]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[01:28:18.781]                 open = "w")
[01:28:18.781]         }
[01:28:18.781]         else {
[01:28:18.781]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[01:28:18.781]                 windows = "NUL", "/dev/null"), open = "w")
[01:28:18.781]         }
[01:28:18.781]         base::sink(...future.stdout, type = "output", split = FALSE)
[01:28:18.781]         base::on.exit(if (!base::is.null(...future.stdout)) {
[01:28:18.781]             base::sink(type = "output", split = FALSE)
[01:28:18.781]             base::close(...future.stdout)
[01:28:18.781]         }, add = TRUE)
[01:28:18.781]     }
[01:28:18.781]     ...future.frame <- base::sys.nframe()
[01:28:18.781]     ...future.conditions <- base::list()
[01:28:18.781]     ...future.rng <- base::globalenv()$.Random.seed
[01:28:18.781]     if (FALSE) {
[01:28:18.781]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[01:28:18.781]             "...future.value", "...future.globalenv.names", ".Random.seed")
[01:28:18.781]     }
[01:28:18.781]     ...future.result <- base::tryCatch({
[01:28:18.781]         base::withCallingHandlers({
[01:28:18.781]             ...future.value <- base::withVisible(base::local({
[01:28:18.781]                 ...future.makeSendCondition <- base::local({
[01:28:18.781]                   sendCondition <- NULL
[01:28:18.781]                   function(frame = 1L) {
[01:28:18.781]                     if (is.function(sendCondition)) 
[01:28:18.781]                       return(sendCondition)
[01:28:18.781]                     ns <- getNamespace("parallel")
[01:28:18.781]                     if (exists("sendData", mode = "function", 
[01:28:18.781]                       envir = ns)) {
[01:28:18.781]                       parallel_sendData <- get("sendData", mode = "function", 
[01:28:18.781]                         envir = ns)
[01:28:18.781]                       envir <- sys.frame(frame)
[01:28:18.781]                       master <- NULL
[01:28:18.781]                       while (!identical(envir, .GlobalEnv) && 
[01:28:18.781]                         !identical(envir, emptyenv())) {
[01:28:18.781]                         if (exists("master", mode = "list", envir = envir, 
[01:28:18.781]                           inherits = FALSE)) {
[01:28:18.781]                           master <- get("master", mode = "list", 
[01:28:18.781]                             envir = envir, inherits = FALSE)
[01:28:18.781]                           if (inherits(master, c("SOCKnode", 
[01:28:18.781]                             "SOCK0node"))) {
[01:28:18.781]                             sendCondition <<- function(cond) {
[01:28:18.781]                               data <- list(type = "VALUE", value = cond, 
[01:28:18.781]                                 success = TRUE)
[01:28:18.781]                               parallel_sendData(master, data)
[01:28:18.781]                             }
[01:28:18.781]                             return(sendCondition)
[01:28:18.781]                           }
[01:28:18.781]                         }
[01:28:18.781]                         frame <- frame + 1L
[01:28:18.781]                         envir <- sys.frame(frame)
[01:28:18.781]                       }
[01:28:18.781]                     }
[01:28:18.781]                     sendCondition <<- function(cond) NULL
[01:28:18.781]                   }
[01:28:18.781]                 })
[01:28:18.781]                 withCallingHandlers({
[01:28:18.781]                   {
[01:28:18.781]                     f1$owner
[01:28:18.781]                   }
[01:28:18.781]                 }, immediateCondition = function(cond) {
[01:28:18.781]                   sendCondition <- ...future.makeSendCondition()
[01:28:18.781]                   sendCondition(cond)
[01:28:18.781]                   muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.781]                   {
[01:28:18.781]                     inherits <- base::inherits
[01:28:18.781]                     invokeRestart <- base::invokeRestart
[01:28:18.781]                     is.null <- base::is.null
[01:28:18.781]                     muffled <- FALSE
[01:28:18.781]                     if (inherits(cond, "message")) {
[01:28:18.781]                       muffled <- grepl(pattern, "muffleMessage")
[01:28:18.781]                       if (muffled) 
[01:28:18.781]                         invokeRestart("muffleMessage")
[01:28:18.781]                     }
[01:28:18.781]                     else if (inherits(cond, "warning")) {
[01:28:18.781]                       muffled <- grepl(pattern, "muffleWarning")
[01:28:18.781]                       if (muffled) 
[01:28:18.781]                         invokeRestart("muffleWarning")
[01:28:18.781]                     }
[01:28:18.781]                     else if (inherits(cond, "condition")) {
[01:28:18.781]                       if (!is.null(pattern)) {
[01:28:18.781]                         computeRestarts <- base::computeRestarts
[01:28:18.781]                         grepl <- base::grepl
[01:28:18.781]                         restarts <- computeRestarts(cond)
[01:28:18.781]                         for (restart in restarts) {
[01:28:18.781]                           name <- restart$name
[01:28:18.781]                           if (is.null(name)) 
[01:28:18.781]                             next
[01:28:18.781]                           if (!grepl(pattern, name)) 
[01:28:18.781]                             next
[01:28:18.781]                           invokeRestart(restart)
[01:28:18.781]                           muffled <- TRUE
[01:28:18.781]                           break
[01:28:18.781]                         }
[01:28:18.781]                       }
[01:28:18.781]                     }
[01:28:18.781]                     invisible(muffled)
[01:28:18.781]                   }
[01:28:18.781]                   muffleCondition(cond)
[01:28:18.781]                 })
[01:28:18.781]             }))
[01:28:18.781]             future::FutureResult(value = ...future.value$value, 
[01:28:18.781]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.781]                   ...future.rng), globalenv = if (FALSE) 
[01:28:18.781]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[01:28:18.781]                     ...future.globalenv.names))
[01:28:18.781]                 else NULL, started = ...future.startTime, version = "1.8")
[01:28:18.781]         }, condition = base::local({
[01:28:18.781]             c <- base::c
[01:28:18.781]             inherits <- base::inherits
[01:28:18.781]             invokeRestart <- base::invokeRestart
[01:28:18.781]             length <- base::length
[01:28:18.781]             list <- base::list
[01:28:18.781]             seq.int <- base::seq.int
[01:28:18.781]             signalCondition <- base::signalCondition
[01:28:18.781]             sys.calls <- base::sys.calls
[01:28:18.781]             `[[` <- base::`[[`
[01:28:18.781]             `+` <- base::`+`
[01:28:18.781]             `<<-` <- base::`<<-`
[01:28:18.781]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[01:28:18.781]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[01:28:18.781]                   3L)]
[01:28:18.781]             }
[01:28:18.781]             function(cond) {
[01:28:18.781]                 is_error <- inherits(cond, "error")
[01:28:18.781]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[01:28:18.781]                   NULL)
[01:28:18.781]                 if (is_error) {
[01:28:18.781]                   sessionInformation <- function() {
[01:28:18.781]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[01:28:18.781]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[01:28:18.781]                       search = base::search(), system = base::Sys.info())
[01:28:18.781]                   }
[01:28:18.781]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.781]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[01:28:18.781]                     cond$call), session = sessionInformation(), 
[01:28:18.781]                     timestamp = base::Sys.time(), signaled = 0L)
[01:28:18.781]                   signalCondition(cond)
[01:28:18.781]                 }
[01:28:18.781]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[01:28:18.781]                 "immediateCondition"))) {
[01:28:18.781]                   signal <- TRUE && inherits(cond, "immediateCondition")
[01:28:18.781]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.781]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[01:28:18.781]                   if (TRUE && !signal) {
[01:28:18.781]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.781]                     {
[01:28:18.781]                       inherits <- base::inherits
[01:28:18.781]                       invokeRestart <- base::invokeRestart
[01:28:18.781]                       is.null <- base::is.null
[01:28:18.781]                       muffled <- FALSE
[01:28:18.781]                       if (inherits(cond, "message")) {
[01:28:18.781]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.781]                         if (muffled) 
[01:28:18.781]                           invokeRestart("muffleMessage")
[01:28:18.781]                       }
[01:28:18.781]                       else if (inherits(cond, "warning")) {
[01:28:18.781]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.781]                         if (muffled) 
[01:28:18.781]                           invokeRestart("muffleWarning")
[01:28:18.781]                       }
[01:28:18.781]                       else if (inherits(cond, "condition")) {
[01:28:18.781]                         if (!is.null(pattern)) {
[01:28:18.781]                           computeRestarts <- base::computeRestarts
[01:28:18.781]                           grepl <- base::grepl
[01:28:18.781]                           restarts <- computeRestarts(cond)
[01:28:18.781]                           for (restart in restarts) {
[01:28:18.781]                             name <- restart$name
[01:28:18.781]                             if (is.null(name)) 
[01:28:18.781]                               next
[01:28:18.781]                             if (!grepl(pattern, name)) 
[01:28:18.781]                               next
[01:28:18.781]                             invokeRestart(restart)
[01:28:18.781]                             muffled <- TRUE
[01:28:18.781]                             break
[01:28:18.781]                           }
[01:28:18.781]                         }
[01:28:18.781]                       }
[01:28:18.781]                       invisible(muffled)
[01:28:18.781]                     }
[01:28:18.781]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.781]                   }
[01:28:18.781]                 }
[01:28:18.781]                 else {
[01:28:18.781]                   if (TRUE) {
[01:28:18.781]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.781]                     {
[01:28:18.781]                       inherits <- base::inherits
[01:28:18.781]                       invokeRestart <- base::invokeRestart
[01:28:18.781]                       is.null <- base::is.null
[01:28:18.781]                       muffled <- FALSE
[01:28:18.781]                       if (inherits(cond, "message")) {
[01:28:18.781]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.781]                         if (muffled) 
[01:28:18.781]                           invokeRestart("muffleMessage")
[01:28:18.781]                       }
[01:28:18.781]                       else if (inherits(cond, "warning")) {
[01:28:18.781]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.781]                         if (muffled) 
[01:28:18.781]                           invokeRestart("muffleWarning")
[01:28:18.781]                       }
[01:28:18.781]                       else if (inherits(cond, "condition")) {
[01:28:18.781]                         if (!is.null(pattern)) {
[01:28:18.781]                           computeRestarts <- base::computeRestarts
[01:28:18.781]                           grepl <- base::grepl
[01:28:18.781]                           restarts <- computeRestarts(cond)
[01:28:18.781]                           for (restart in restarts) {
[01:28:18.781]                             name <- restart$name
[01:28:18.781]                             if (is.null(name)) 
[01:28:18.781]                               next
[01:28:18.781]                             if (!grepl(pattern, name)) 
[01:28:18.781]                               next
[01:28:18.781]                             invokeRestart(restart)
[01:28:18.781]                             muffled <- TRUE
[01:28:18.781]                             break
[01:28:18.781]                           }
[01:28:18.781]                         }
[01:28:18.781]                       }
[01:28:18.781]                       invisible(muffled)
[01:28:18.781]                     }
[01:28:18.781]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.781]                   }
[01:28:18.781]                 }
[01:28:18.781]             }
[01:28:18.781]         }))
[01:28:18.781]     }, error = function(ex) {
[01:28:18.781]         base::structure(base::list(value = NULL, visible = NULL, 
[01:28:18.781]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.781]                 ...future.rng), started = ...future.startTime, 
[01:28:18.781]             finished = Sys.time(), session_uuid = NA_character_, 
[01:28:18.781]             version = "1.8"), class = "FutureResult")
[01:28:18.781]     }, finally = {
[01:28:18.781]         if (!identical(...future.workdir, getwd())) 
[01:28:18.781]             setwd(...future.workdir)
[01:28:18.781]         {
[01:28:18.781]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[01:28:18.781]                 ...future.oldOptions$nwarnings <- NULL
[01:28:18.781]             }
[01:28:18.781]             base::options(...future.oldOptions)
[01:28:18.781]             if (.Platform$OS.type == "windows") {
[01:28:18.781]                 old_names <- names(...future.oldEnvVars)
[01:28:18.781]                 envs <- base::Sys.getenv()
[01:28:18.781]                 names <- names(envs)
[01:28:18.781]                 common <- intersect(names, old_names)
[01:28:18.781]                 added <- setdiff(names, old_names)
[01:28:18.781]                 removed <- setdiff(old_names, names)
[01:28:18.781]                 changed <- common[...future.oldEnvVars[common] != 
[01:28:18.781]                   envs[common]]
[01:28:18.781]                 NAMES <- toupper(changed)
[01:28:18.781]                 args <- list()
[01:28:18.781]                 for (kk in seq_along(NAMES)) {
[01:28:18.781]                   name <- changed[[kk]]
[01:28:18.781]                   NAME <- NAMES[[kk]]
[01:28:18.781]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.781]                     next
[01:28:18.781]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.781]                 }
[01:28:18.781]                 NAMES <- toupper(added)
[01:28:18.781]                 for (kk in seq_along(NAMES)) {
[01:28:18.781]                   name <- added[[kk]]
[01:28:18.781]                   NAME <- NAMES[[kk]]
[01:28:18.781]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.781]                     next
[01:28:18.781]                   args[[name]] <- ""
[01:28:18.781]                 }
[01:28:18.781]                 NAMES <- toupper(removed)
[01:28:18.781]                 for (kk in seq_along(NAMES)) {
[01:28:18.781]                   name <- removed[[kk]]
[01:28:18.781]                   NAME <- NAMES[[kk]]
[01:28:18.781]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.781]                     next
[01:28:18.781]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.781]                 }
[01:28:18.781]                 if (length(args) > 0) 
[01:28:18.781]                   base::do.call(base::Sys.setenv, args = args)
[01:28:18.781]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[01:28:18.781]             }
[01:28:18.781]             else {
[01:28:18.781]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[01:28:18.781]             }
[01:28:18.781]             {
[01:28:18.781]                 if (base::length(...future.futureOptionsAdded) > 
[01:28:18.781]                   0L) {
[01:28:18.781]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[01:28:18.781]                   base::names(opts) <- ...future.futureOptionsAdded
[01:28:18.781]                   base::options(opts)
[01:28:18.781]                 }
[01:28:18.781]                 {
[01:28:18.781]                   {
[01:28:18.781]                     base::options(mc.cores = ...future.mc.cores.old)
[01:28:18.781]                     NULL
[01:28:18.781]                   }
[01:28:18.781]                   options(future.plan = NULL)
[01:28:18.781]                   if (is.na(NA_character_)) 
[01:28:18.781]                     Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.781]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[01:28:18.781]                   future::plan(list(function (..., workers = 2L, 
[01:28:18.781]                     envir = parent.frame()) 
[01:28:18.781]                   strategy(..., workers = workers, envir = envir)), 
[01:28:18.781]                     .cleanup = FALSE, .init = FALSE)
[01:28:18.781]                 }
[01:28:18.781]             }
[01:28:18.781]         }
[01:28:18.781]     })
[01:28:18.781]     if (TRUE) {
[01:28:18.781]         base::sink(type = "output", split = FALSE)
[01:28:18.781]         if (TRUE) {
[01:28:18.781]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[01:28:18.781]         }
[01:28:18.781]         else {
[01:28:18.781]             ...future.result["stdout"] <- base::list(NULL)
[01:28:18.781]         }
[01:28:18.781]         base::close(...future.stdout)
[01:28:18.781]         ...future.stdout <- NULL
[01:28:18.781]     }
[01:28:18.781]     ...future.result$conditions <- ...future.conditions
[01:28:18.781]     ...future.result$finished <- base::Sys.time()
[01:28:18.781]     ...future.result
[01:28:18.781] }
[01:28:18.786] Exporting 1 global objects (1.58 MiB) to cluster node #1 ...
[01:28:18.788] Exporting 'f1' (1.58 MiB) to cluster node #1 ...
[01:28:18.800] Exporting 'f1' (1.58 MiB) to cluster node #1 ... DONE
[01:28:18.800] Exporting 1 global objects (1.58 MiB) to cluster node #1 ... DONE
[01:28:18.801] MultisessionFuture started
[01:28:18.801] - Launch lazy future ... done
[01:28:18.801] run() for 'MultisessionFuture' ... done
> stopifnot(inherits(f4, "MultisessionFuture"))
> cat(sprintf("Future #4 session: %d\n", f4$node))
Future #4 session: 1
> v4 <- value(f4)
[01:28:18.801] result() for ClusterFuture ...
[01:28:18.802] receiveMessageFromWorker() for ClusterFuture ...
[01:28:18.802] - Validating connection of MultisessionFuture
[01:28:18.816] - received message: FutureResult
[01:28:18.816] - Received FutureResult
[01:28:18.816] - Erased future from FutureRegistry
[01:28:18.816] result() for ClusterFuture ...
[01:28:18.817] - result already collected: FutureResult
[01:28:18.817] result() for ClusterFuture ... done
[01:28:18.817] receiveMessageFromWorker() for ClusterFuture ... done
[01:28:18.817] result() for ClusterFuture ... done
[01:28:18.817] result() for ClusterFuture ...
[01:28:18.817] - result already collected: FutureResult
[01:28:18.818] result() for ClusterFuture ... done
> cat(sprintf("Future #4 owner: %s\n", v4))
Future #4 owner: e2c891c4-cab0-ea03-2a69-bb67514aebf9
> stopifnot(v4 == session_uuid)
> 
> message("Creating future #5:")
Creating future #5:
> f5 <- future({ stopifnot(f1$owner != future:::session_uuid(attributes = TRUE)); "not-owner" })
[01:28:18.818] getGlobalsAndPackages() ...
[01:28:18.818] Searching for globals...
[01:28:18.820] - globals found: [6] '{', 'stopifnot', '!=', '$', 'f1', ':::'
[01:28:18.820] Searching for globals ... DONE
[01:28:18.820] Resolving globals: FALSE
[01:28:18.823] The total size of the 1 globals is 1.58 MiB (1659072 bytes)
[01:28:18.824] The total size of the 1 globals exported for future expression ('{; stopifnot(f1$owner != future:::session_uuid(attributes = TRUE)); "not-owner"; }') is 1.58 MiB.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'f1' (1.58 MiB of class 'environment')
[01:28:18.824] - globals: [1] 'f1'
[01:28:18.824] 
[01:28:18.824] getGlobalsAndPackages() ... DONE
[01:28:18.824] run() for 'Future' ...
[01:28:18.825] - state: 'created'
[01:28:18.825] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[01:28:18.837] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[01:28:18.837] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[01:28:18.837]   - Field: 'node'
[01:28:18.838]   - Field: 'label'
[01:28:18.838]   - Field: 'local'
[01:28:18.838]   - Field: 'owner'
[01:28:18.838]   - Field: 'envir'
[01:28:18.838]   - Field: 'workers'
[01:28:18.838]   - Field: 'packages'
[01:28:18.839]   - Field: 'gc'
[01:28:18.839]   - Field: 'conditions'
[01:28:18.839]   - Field: 'persistent'
[01:28:18.839]   - Field: 'expr'
[01:28:18.839]   - Field: 'uuid'
[01:28:18.840]   - Field: 'seed'
[01:28:18.840]   - Field: 'version'
[01:28:18.840]   - Field: 'result'
[01:28:18.840]   - Field: 'asynchronous'
[01:28:18.840]   - Field: 'calls'
[01:28:18.841]   - Field: 'globals'
[01:28:18.841]   - Field: 'stdout'
[01:28:18.841]   - Field: 'earlySignal'
[01:28:18.841]   - Field: 'lazy'
[01:28:18.841]   - Field: 'state'
[01:28:18.841] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[01:28:18.842] - Launch lazy future ...
[01:28:18.842] Packages needed by the future expression (n = 0): <none>
[01:28:18.842] Packages needed by future strategies (n = 0): <none>
[01:28:18.843] {
[01:28:18.843]     {
[01:28:18.843]         {
[01:28:18.843]             ...future.startTime <- base::Sys.time()
[01:28:18.843]             {
[01:28:18.843]                 {
[01:28:18.843]                   {
[01:28:18.843]                     {
[01:28:18.843]                       base::local({
[01:28:18.843]                         has_future <- base::requireNamespace("future", 
[01:28:18.843]                           quietly = TRUE)
[01:28:18.843]                         if (has_future) {
[01:28:18.843]                           ns <- base::getNamespace("future")
[01:28:18.843]                           version <- ns[[".package"]][["version"]]
[01:28:18.843]                           if (is.null(version)) 
[01:28:18.843]                             version <- utils::packageVersion("future")
[01:28:18.843]                         }
[01:28:18.843]                         else {
[01:28:18.843]                           version <- NULL
[01:28:18.843]                         }
[01:28:18.843]                         if (!has_future || version < "1.8.0") {
[01:28:18.843]                           info <- base::c(r_version = base::gsub("R version ", 
[01:28:18.843]                             "", base::R.version$version.string), 
[01:28:18.843]                             platform = base::sprintf("%s (%s-bit)", 
[01:28:18.843]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[01:28:18.843]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[01:28:18.843]                               "release", "version")], collapse = " "), 
[01:28:18.843]                             hostname = base::Sys.info()[["nodename"]])
[01:28:18.843]                           info <- base::sprintf("%s: %s", base::names(info), 
[01:28:18.843]                             info)
[01:28:18.843]                           info <- base::paste(info, collapse = "; ")
[01:28:18.843]                           if (!has_future) {
[01:28:18.843]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[01:28:18.843]                               info)
[01:28:18.843]                           }
[01:28:18.843]                           else {
[01:28:18.843]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[01:28:18.843]                               info, version)
[01:28:18.843]                           }
[01:28:18.843]                           base::stop(msg)
[01:28:18.843]                         }
[01:28:18.843]                       })
[01:28:18.843]                     }
[01:28:18.843]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[01:28:18.843]                     base::options(mc.cores = 1L)
[01:28:18.843]                   }
[01:28:18.843]                   options(future.plan = NULL)
[01:28:18.843]                   Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.843]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[01:28:18.843]                 }
[01:28:18.843]                 ...future.workdir <- getwd()
[01:28:18.843]             }
[01:28:18.843]             ...future.oldOptions <- base::as.list(base::.Options)
[01:28:18.843]             ...future.oldEnvVars <- base::Sys.getenv()
[01:28:18.843]         }
[01:28:18.843]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[01:28:18.843]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[01:28:18.843]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[01:28:18.843]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[01:28:18.843]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[01:28:18.843]             future.stdout.windows.reencode = NULL, width = 80L)
[01:28:18.843]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[01:28:18.843]             base::names(...future.oldOptions))
[01:28:18.843]     }
[01:28:18.843]     if (FALSE) {
[01:28:18.843]     }
[01:28:18.843]     else {
[01:28:18.843]         if (TRUE) {
[01:28:18.843]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[01:28:18.843]                 open = "w")
[01:28:18.843]         }
[01:28:18.843]         else {
[01:28:18.843]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[01:28:18.843]                 windows = "NUL", "/dev/null"), open = "w")
[01:28:18.843]         }
[01:28:18.843]         base::sink(...future.stdout, type = "output", split = FALSE)
[01:28:18.843]         base::on.exit(if (!base::is.null(...future.stdout)) {
[01:28:18.843]             base::sink(type = "output", split = FALSE)
[01:28:18.843]             base::close(...future.stdout)
[01:28:18.843]         }, add = TRUE)
[01:28:18.843]     }
[01:28:18.843]     ...future.frame <- base::sys.nframe()
[01:28:18.843]     ...future.conditions <- base::list()
[01:28:18.843]     ...future.rng <- base::globalenv()$.Random.seed
[01:28:18.843]     if (FALSE) {
[01:28:18.843]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[01:28:18.843]             "...future.value", "...future.globalenv.names", ".Random.seed")
[01:28:18.843]     }
[01:28:18.843]     ...future.result <- base::tryCatch({
[01:28:18.843]         base::withCallingHandlers({
[01:28:18.843]             ...future.value <- base::withVisible(base::local({
[01:28:18.843]                 ...future.makeSendCondition <- base::local({
[01:28:18.843]                   sendCondition <- NULL
[01:28:18.843]                   function(frame = 1L) {
[01:28:18.843]                     if (is.function(sendCondition)) 
[01:28:18.843]                       return(sendCondition)
[01:28:18.843]                     ns <- getNamespace("parallel")
[01:28:18.843]                     if (exists("sendData", mode = "function", 
[01:28:18.843]                       envir = ns)) {
[01:28:18.843]                       parallel_sendData <- get("sendData", mode = "function", 
[01:28:18.843]                         envir = ns)
[01:28:18.843]                       envir <- sys.frame(frame)
[01:28:18.843]                       master <- NULL
[01:28:18.843]                       while (!identical(envir, .GlobalEnv) && 
[01:28:18.843]                         !identical(envir, emptyenv())) {
[01:28:18.843]                         if (exists("master", mode = "list", envir = envir, 
[01:28:18.843]                           inherits = FALSE)) {
[01:28:18.843]                           master <- get("master", mode = "list", 
[01:28:18.843]                             envir = envir, inherits = FALSE)
[01:28:18.843]                           if (inherits(master, c("SOCKnode", 
[01:28:18.843]                             "SOCK0node"))) {
[01:28:18.843]                             sendCondition <<- function(cond) {
[01:28:18.843]                               data <- list(type = "VALUE", value = cond, 
[01:28:18.843]                                 success = TRUE)
[01:28:18.843]                               parallel_sendData(master, data)
[01:28:18.843]                             }
[01:28:18.843]                             return(sendCondition)
[01:28:18.843]                           }
[01:28:18.843]                         }
[01:28:18.843]                         frame <- frame + 1L
[01:28:18.843]                         envir <- sys.frame(frame)
[01:28:18.843]                       }
[01:28:18.843]                     }
[01:28:18.843]                     sendCondition <<- function(cond) NULL
[01:28:18.843]                   }
[01:28:18.843]                 })
[01:28:18.843]                 withCallingHandlers({
[01:28:18.843]                   {
[01:28:18.843]                     stopifnot(f1$owner != future:::session_uuid(attributes = TRUE))
[01:28:18.843]                     "not-owner"
[01:28:18.843]                   }
[01:28:18.843]                 }, immediateCondition = function(cond) {
[01:28:18.843]                   sendCondition <- ...future.makeSendCondition()
[01:28:18.843]                   sendCondition(cond)
[01:28:18.843]                   muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.843]                   {
[01:28:18.843]                     inherits <- base::inherits
[01:28:18.843]                     invokeRestart <- base::invokeRestart
[01:28:18.843]                     is.null <- base::is.null
[01:28:18.843]                     muffled <- FALSE
[01:28:18.843]                     if (inherits(cond, "message")) {
[01:28:18.843]                       muffled <- grepl(pattern, "muffleMessage")
[01:28:18.843]                       if (muffled) 
[01:28:18.843]                         invokeRestart("muffleMessage")
[01:28:18.843]                     }
[01:28:18.843]                     else if (inherits(cond, "warning")) {
[01:28:18.843]                       muffled <- grepl(pattern, "muffleWarning")
[01:28:18.843]                       if (muffled) 
[01:28:18.843]                         invokeRestart("muffleWarning")
[01:28:18.843]                     }
[01:28:18.843]                     else if (inherits(cond, "condition")) {
[01:28:18.843]                       if (!is.null(pattern)) {
[01:28:18.843]                         computeRestarts <- base::computeRestarts
[01:28:18.843]                         grepl <- base::grepl
[01:28:18.843]                         restarts <- computeRestarts(cond)
[01:28:18.843]                         for (restart in restarts) {
[01:28:18.843]                           name <- restart$name
[01:28:18.843]                           if (is.null(name)) 
[01:28:18.843]                             next
[01:28:18.843]                           if (!grepl(pattern, name)) 
[01:28:18.843]                             next
[01:28:18.843]                           invokeRestart(restart)
[01:28:18.843]                           muffled <- TRUE
[01:28:18.843]                           break
[01:28:18.843]                         }
[01:28:18.843]                       }
[01:28:18.843]                     }
[01:28:18.843]                     invisible(muffled)
[01:28:18.843]                   }
[01:28:18.843]                   muffleCondition(cond)
[01:28:18.843]                 })
[01:28:18.843]             }))
[01:28:18.843]             future::FutureResult(value = ...future.value$value, 
[01:28:18.843]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.843]                   ...future.rng), globalenv = if (FALSE) 
[01:28:18.843]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[01:28:18.843]                     ...future.globalenv.names))
[01:28:18.843]                 else NULL, started = ...future.startTime, version = "1.8")
[01:28:18.843]         }, condition = base::local({
[01:28:18.843]             c <- base::c
[01:28:18.843]             inherits <- base::inherits
[01:28:18.843]             invokeRestart <- base::invokeRestart
[01:28:18.843]             length <- base::length
[01:28:18.843]             list <- base::list
[01:28:18.843]             seq.int <- base::seq.int
[01:28:18.843]             signalCondition <- base::signalCondition
[01:28:18.843]             sys.calls <- base::sys.calls
[01:28:18.843]             `[[` <- base::`[[`
[01:28:18.843]             `+` <- base::`+`
[01:28:18.843]             `<<-` <- base::`<<-`
[01:28:18.843]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[01:28:18.843]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[01:28:18.843]                   3L)]
[01:28:18.843]             }
[01:28:18.843]             function(cond) {
[01:28:18.843]                 is_error <- inherits(cond, "error")
[01:28:18.843]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[01:28:18.843]                   NULL)
[01:28:18.843]                 if (is_error) {
[01:28:18.843]                   sessionInformation <- function() {
[01:28:18.843]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[01:28:18.843]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[01:28:18.843]                       search = base::search(), system = base::Sys.info())
[01:28:18.843]                   }
[01:28:18.843]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.843]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[01:28:18.843]                     cond$call), session = sessionInformation(), 
[01:28:18.843]                     timestamp = base::Sys.time(), signaled = 0L)
[01:28:18.843]                   signalCondition(cond)
[01:28:18.843]                 }
[01:28:18.843]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[01:28:18.843]                 "immediateCondition"))) {
[01:28:18.843]                   signal <- TRUE && inherits(cond, "immediateCondition")
[01:28:18.843]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.843]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[01:28:18.843]                   if (TRUE && !signal) {
[01:28:18.843]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.843]                     {
[01:28:18.843]                       inherits <- base::inherits
[01:28:18.843]                       invokeRestart <- base::invokeRestart
[01:28:18.843]                       is.null <- base::is.null
[01:28:18.843]                       muffled <- FALSE
[01:28:18.843]                       if (inherits(cond, "message")) {
[01:28:18.843]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.843]                         if (muffled) 
[01:28:18.843]                           invokeRestart("muffleMessage")
[01:28:18.843]                       }
[01:28:18.843]                       else if (inherits(cond, "warning")) {
[01:28:18.843]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.843]                         if (muffled) 
[01:28:18.843]                           invokeRestart("muffleWarning")
[01:28:18.843]                       }
[01:28:18.843]                       else if (inherits(cond, "condition")) {
[01:28:18.843]                         if (!is.null(pattern)) {
[01:28:18.843]                           computeRestarts <- base::computeRestarts
[01:28:18.843]                           grepl <- base::grepl
[01:28:18.843]                           restarts <- computeRestarts(cond)
[01:28:18.843]                           for (restart in restarts) {
[01:28:18.843]                             name <- restart$name
[01:28:18.843]                             if (is.null(name)) 
[01:28:18.843]                               next
[01:28:18.843]                             if (!grepl(pattern, name)) 
[01:28:18.843]                               next
[01:28:18.843]                             invokeRestart(restart)
[01:28:18.843]                             muffled <- TRUE
[01:28:18.843]                             break
[01:28:18.843]                           }
[01:28:18.843]                         }
[01:28:18.843]                       }
[01:28:18.843]                       invisible(muffled)
[01:28:18.843]                     }
[01:28:18.843]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.843]                   }
[01:28:18.843]                 }
[01:28:18.843]                 else {
[01:28:18.843]                   if (TRUE) {
[01:28:18.843]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.843]                     {
[01:28:18.843]                       inherits <- base::inherits
[01:28:18.843]                       invokeRestart <- base::invokeRestart
[01:28:18.843]                       is.null <- base::is.null
[01:28:18.843]                       muffled <- FALSE
[01:28:18.843]                       if (inherits(cond, "message")) {
[01:28:18.843]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.843]                         if (muffled) 
[01:28:18.843]                           invokeRestart("muffleMessage")
[01:28:18.843]                       }
[01:28:18.843]                       else if (inherits(cond, "warning")) {
[01:28:18.843]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.843]                         if (muffled) 
[01:28:18.843]                           invokeRestart("muffleWarning")
[01:28:18.843]                       }
[01:28:18.843]                       else if (inherits(cond, "condition")) {
[01:28:18.843]                         if (!is.null(pattern)) {
[01:28:18.843]                           computeRestarts <- base::computeRestarts
[01:28:18.843]                           grepl <- base::grepl
[01:28:18.843]                           restarts <- computeRestarts(cond)
[01:28:18.843]                           for (restart in restarts) {
[01:28:18.843]                             name <- restart$name
[01:28:18.843]                             if (is.null(name)) 
[01:28:18.843]                               next
[01:28:18.843]                             if (!grepl(pattern, name)) 
[01:28:18.843]                               next
[01:28:18.843]                             invokeRestart(restart)
[01:28:18.843]                             muffled <- TRUE
[01:28:18.843]                             break
[01:28:18.843]                           }
[01:28:18.843]                         }
[01:28:18.843]                       }
[01:28:18.843]                       invisible(muffled)
[01:28:18.843]                     }
[01:28:18.843]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.843]                   }
[01:28:18.843]                 }
[01:28:18.843]             }
[01:28:18.843]         }))
[01:28:18.843]     }, error = function(ex) {
[01:28:18.843]         base::structure(base::list(value = NULL, visible = NULL, 
[01:28:18.843]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.843]                 ...future.rng), started = ...future.startTime, 
[01:28:18.843]             finished = Sys.time(), session_uuid = NA_character_, 
[01:28:18.843]             version = "1.8"), class = "FutureResult")
[01:28:18.843]     }, finally = {
[01:28:18.843]         if (!identical(...future.workdir, getwd())) 
[01:28:18.843]             setwd(...future.workdir)
[01:28:18.843]         {
[01:28:18.843]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[01:28:18.843]                 ...future.oldOptions$nwarnings <- NULL
[01:28:18.843]             }
[01:28:18.843]             base::options(...future.oldOptions)
[01:28:18.843]             if (.Platform$OS.type == "windows") {
[01:28:18.843]                 old_names <- names(...future.oldEnvVars)
[01:28:18.843]                 envs <- base::Sys.getenv()
[01:28:18.843]                 names <- names(envs)
[01:28:18.843]                 common <- intersect(names, old_names)
[01:28:18.843]                 added <- setdiff(names, old_names)
[01:28:18.843]                 removed <- setdiff(old_names, names)
[01:28:18.843]                 changed <- common[...future.oldEnvVars[common] != 
[01:28:18.843]                   envs[common]]
[01:28:18.843]                 NAMES <- toupper(changed)
[01:28:18.843]                 args <- list()
[01:28:18.843]                 for (kk in seq_along(NAMES)) {
[01:28:18.843]                   name <- changed[[kk]]
[01:28:18.843]                   NAME <- NAMES[[kk]]
[01:28:18.843]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.843]                     next
[01:28:18.843]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.843]                 }
[01:28:18.843]                 NAMES <- toupper(added)
[01:28:18.843]                 for (kk in seq_along(NAMES)) {
[01:28:18.843]                   name <- added[[kk]]
[01:28:18.843]                   NAME <- NAMES[[kk]]
[01:28:18.843]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.843]                     next
[01:28:18.843]                   args[[name]] <- ""
[01:28:18.843]                 }
[01:28:18.843]                 NAMES <- toupper(removed)
[01:28:18.843]                 for (kk in seq_along(NAMES)) {
[01:28:18.843]                   name <- removed[[kk]]
[01:28:18.843]                   NAME <- NAMES[[kk]]
[01:28:18.843]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.843]                     next
[01:28:18.843]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.843]                 }
[01:28:18.843]                 if (length(args) > 0) 
[01:28:18.843]                   base::do.call(base::Sys.setenv, args = args)
[01:28:18.843]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[01:28:18.843]             }
[01:28:18.843]             else {
[01:28:18.843]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[01:28:18.843]             }
[01:28:18.843]             {
[01:28:18.843]                 if (base::length(...future.futureOptionsAdded) > 
[01:28:18.843]                   0L) {
[01:28:18.843]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[01:28:18.843]                   base::names(opts) <- ...future.futureOptionsAdded
[01:28:18.843]                   base::options(opts)
[01:28:18.843]                 }
[01:28:18.843]                 {
[01:28:18.843]                   {
[01:28:18.843]                     base::options(mc.cores = ...future.mc.cores.old)
[01:28:18.843]                     NULL
[01:28:18.843]                   }
[01:28:18.843]                   options(future.plan = NULL)
[01:28:18.843]                   if (is.na(NA_character_)) 
[01:28:18.843]                     Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.843]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[01:28:18.843]                   future::plan(list(function (..., workers = 2L, 
[01:28:18.843]                     envir = parent.frame()) 
[01:28:18.843]                   strategy(..., workers = workers, envir = envir)), 
[01:28:18.843]                     .cleanup = FALSE, .init = FALSE)
[01:28:18.843]                 }
[01:28:18.843]             }
[01:28:18.843]         }
[01:28:18.843]     })
[01:28:18.843]     if (TRUE) {
[01:28:18.843]         base::sink(type = "output", split = FALSE)
[01:28:18.843]         if (TRUE) {
[01:28:18.843]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[01:28:18.843]         }
[01:28:18.843]         else {
[01:28:18.843]             ...future.result["stdout"] <- base::list(NULL)
[01:28:18.843]         }
[01:28:18.843]         base::close(...future.stdout)
[01:28:18.843]         ...future.stdout <- NULL
[01:28:18.843]     }
[01:28:18.843]     ...future.result$conditions <- ...future.conditions
[01:28:18.843]     ...future.result$finished <- base::Sys.time()
[01:28:18.843]     ...future.result
[01:28:18.843] }
[01:28:18.848] Exporting 1 global objects (1.58 MiB) to cluster node #1 ...
[01:28:18.850] Exporting 'f1' (1.58 MiB) to cluster node #1 ...
[01:28:18.862] Exporting 'f1' (1.58 MiB) to cluster node #1 ... DONE
[01:28:18.862] Exporting 1 global objects (1.58 MiB) to cluster node #1 ... DONE
[01:28:18.862] MultisessionFuture started
[01:28:18.863] - Launch lazy future ... done
[01:28:18.863] run() for 'MultisessionFuture' ... done
> stopifnot(inherits(f5, "MultisessionFuture"))
> v5 <- value(f5)
[01:28:18.863] result() for ClusterFuture ...
[01:28:18.863] receiveMessageFromWorker() for ClusterFuture ...
[01:28:18.863] - Validating connection of MultisessionFuture
[01:28:18.876] - received message: FutureResult
[01:28:18.877] - Received FutureResult
[01:28:18.877] - Erased future from FutureRegistry
[01:28:18.877] result() for ClusterFuture ...
[01:28:18.877] - result already collected: FutureResult
[01:28:18.877] result() for ClusterFuture ... done
[01:28:18.877] receiveMessageFromWorker() for ClusterFuture ... done
[01:28:18.878] result() for ClusterFuture ... done
[01:28:18.878] result() for ClusterFuture ...
[01:28:18.878] - result already collected: FutureResult
[01:28:18.878] result() for ClusterFuture ... done
> stopifnot(v5 == "not-owner")
> 
> message("- Asserting ownership ... DONE")
- Asserting ownership ... DONE
> 
> 
> message("- Trying with invalid ownership ...")
- Trying with invalid ownership ...
> 
> message("Creating future #1:")
Creating future #1:
> f1 <- future({ 42L })
[01:28:18.879] getGlobalsAndPackages() ...
[01:28:18.879] Searching for globals...
[01:28:18.879] - globals found: [1] '{'
[01:28:18.880] Searching for globals ... DONE
[01:28:18.880] Resolving globals: FALSE
[01:28:18.880] 
[01:28:18.880] 
[01:28:18.881] getGlobalsAndPackages() ... DONE
[01:28:18.883] run() for 'Future' ...
[01:28:18.883] - state: 'created'
[01:28:18.883] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[01:28:18.895] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[01:28:18.895] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[01:28:18.895]   - Field: 'node'
[01:28:18.896]   - Field: 'label'
[01:28:18.896]   - Field: 'local'
[01:28:18.896]   - Field: 'owner'
[01:28:18.896]   - Field: 'envir'
[01:28:18.896]   - Field: 'workers'
[01:28:18.896]   - Field: 'packages'
[01:28:18.897]   - Field: 'gc'
[01:28:18.897]   - Field: 'conditions'
[01:28:18.897]   - Field: 'persistent'
[01:28:18.897]   - Field: 'expr'
[01:28:18.897]   - Field: 'uuid'
[01:28:18.897]   - Field: 'seed'
[01:28:18.898]   - Field: 'version'
[01:28:18.898]   - Field: 'result'
[01:28:18.898]   - Field: 'asynchronous'
[01:28:18.898]   - Field: 'calls'
[01:28:18.898]   - Field: 'globals'
[01:28:18.898]   - Field: 'stdout'
[01:28:18.899]   - Field: 'earlySignal'
[01:28:18.899]   - Field: 'lazy'
[01:28:18.899]   - Field: 'state'
[01:28:18.899] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[01:28:18.899] - Launch lazy future ...
[01:28:18.900] Packages needed by the future expression (n = 0): <none>
[01:28:18.900] Packages needed by future strategies (n = 0): <none>
[01:28:18.900] {
[01:28:18.900]     {
[01:28:18.900]         {
[01:28:18.900]             ...future.startTime <- base::Sys.time()
[01:28:18.900]             {
[01:28:18.900]                 {
[01:28:18.900]                   {
[01:28:18.900]                     {
[01:28:18.900]                       base::local({
[01:28:18.900]                         has_future <- base::requireNamespace("future", 
[01:28:18.900]                           quietly = TRUE)
[01:28:18.900]                         if (has_future) {
[01:28:18.900]                           ns <- base::getNamespace("future")
[01:28:18.900]                           version <- ns[[".package"]][["version"]]
[01:28:18.900]                           if (is.null(version)) 
[01:28:18.900]                             version <- utils::packageVersion("future")
[01:28:18.900]                         }
[01:28:18.900]                         else {
[01:28:18.900]                           version <- NULL
[01:28:18.900]                         }
[01:28:18.900]                         if (!has_future || version < "1.8.0") {
[01:28:18.900]                           info <- base::c(r_version = base::gsub("R version ", 
[01:28:18.900]                             "", base::R.version$version.string), 
[01:28:18.900]                             platform = base::sprintf("%s (%s-bit)", 
[01:28:18.900]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[01:28:18.900]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[01:28:18.900]                               "release", "version")], collapse = " "), 
[01:28:18.900]                             hostname = base::Sys.info()[["nodename"]])
[01:28:18.900]                           info <- base::sprintf("%s: %s", base::names(info), 
[01:28:18.900]                             info)
[01:28:18.900]                           info <- base::paste(info, collapse = "; ")
[01:28:18.900]                           if (!has_future) {
[01:28:18.900]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[01:28:18.900]                               info)
[01:28:18.900]                           }
[01:28:18.900]                           else {
[01:28:18.900]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[01:28:18.900]                               info, version)
[01:28:18.900]                           }
[01:28:18.900]                           base::stop(msg)
[01:28:18.900]                         }
[01:28:18.900]                       })
[01:28:18.900]                     }
[01:28:18.900]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[01:28:18.900]                     base::options(mc.cores = 1L)
[01:28:18.900]                   }
[01:28:18.900]                   options(future.plan = NULL)
[01:28:18.900]                   Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.900]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[01:28:18.900]                 }
[01:28:18.900]                 ...future.workdir <- getwd()
[01:28:18.900]             }
[01:28:18.900]             ...future.oldOptions <- base::as.list(base::.Options)
[01:28:18.900]             ...future.oldEnvVars <- base::Sys.getenv()
[01:28:18.900]         }
[01:28:18.900]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[01:28:18.900]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[01:28:18.900]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[01:28:18.900]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[01:28:18.900]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[01:28:18.900]             future.stdout.windows.reencode = NULL, width = 80L)
[01:28:18.900]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[01:28:18.900]             base::names(...future.oldOptions))
[01:28:18.900]     }
[01:28:18.900]     if (FALSE) {
[01:28:18.900]     }
[01:28:18.900]     else {
[01:28:18.900]         if (TRUE) {
[01:28:18.900]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[01:28:18.900]                 open = "w")
[01:28:18.900]         }
[01:28:18.900]         else {
[01:28:18.900]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[01:28:18.900]                 windows = "NUL", "/dev/null"), open = "w")
[01:28:18.900]         }
[01:28:18.900]         base::sink(...future.stdout, type = "output", split = FALSE)
[01:28:18.900]         base::on.exit(if (!base::is.null(...future.stdout)) {
[01:28:18.900]             base::sink(type = "output", split = FALSE)
[01:28:18.900]             base::close(...future.stdout)
[01:28:18.900]         }, add = TRUE)
[01:28:18.900]     }
[01:28:18.900]     ...future.frame <- base::sys.nframe()
[01:28:18.900]     ...future.conditions <- base::list()
[01:28:18.900]     ...future.rng <- base::globalenv()$.Random.seed
[01:28:18.900]     if (FALSE) {
[01:28:18.900]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[01:28:18.900]             "...future.value", "...future.globalenv.names", ".Random.seed")
[01:28:18.900]     }
[01:28:18.900]     ...future.result <- base::tryCatch({
[01:28:18.900]         base::withCallingHandlers({
[01:28:18.900]             ...future.value <- base::withVisible(base::local({
[01:28:18.900]                 ...future.makeSendCondition <- base::local({
[01:28:18.900]                   sendCondition <- NULL
[01:28:18.900]                   function(frame = 1L) {
[01:28:18.900]                     if (is.function(sendCondition)) 
[01:28:18.900]                       return(sendCondition)
[01:28:18.900]                     ns <- getNamespace("parallel")
[01:28:18.900]                     if (exists("sendData", mode = "function", 
[01:28:18.900]                       envir = ns)) {
[01:28:18.900]                       parallel_sendData <- get("sendData", mode = "function", 
[01:28:18.900]                         envir = ns)
[01:28:18.900]                       envir <- sys.frame(frame)
[01:28:18.900]                       master <- NULL
[01:28:18.900]                       while (!identical(envir, .GlobalEnv) && 
[01:28:18.900]                         !identical(envir, emptyenv())) {
[01:28:18.900]                         if (exists("master", mode = "list", envir = envir, 
[01:28:18.900]                           inherits = FALSE)) {
[01:28:18.900]                           master <- get("master", mode = "list", 
[01:28:18.900]                             envir = envir, inherits = FALSE)
[01:28:18.900]                           if (inherits(master, c("SOCKnode", 
[01:28:18.900]                             "SOCK0node"))) {
[01:28:18.900]                             sendCondition <<- function(cond) {
[01:28:18.900]                               data <- list(type = "VALUE", value = cond, 
[01:28:18.900]                                 success = TRUE)
[01:28:18.900]                               parallel_sendData(master, data)
[01:28:18.900]                             }
[01:28:18.900]                             return(sendCondition)
[01:28:18.900]                           }
[01:28:18.900]                         }
[01:28:18.900]                         frame <- frame + 1L
[01:28:18.900]                         envir <- sys.frame(frame)
[01:28:18.900]                       }
[01:28:18.900]                     }
[01:28:18.900]                     sendCondition <<- function(cond) NULL
[01:28:18.900]                   }
[01:28:18.900]                 })
[01:28:18.900]                 withCallingHandlers({
[01:28:18.900]                   {
[01:28:18.900]                     42L
[01:28:18.900]                   }
[01:28:18.900]                 }, immediateCondition = function(cond) {
[01:28:18.900]                   sendCondition <- ...future.makeSendCondition()
[01:28:18.900]                   sendCondition(cond)
[01:28:18.900]                   muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.900]                   {
[01:28:18.900]                     inherits <- base::inherits
[01:28:18.900]                     invokeRestart <- base::invokeRestart
[01:28:18.900]                     is.null <- base::is.null
[01:28:18.900]                     muffled <- FALSE
[01:28:18.900]                     if (inherits(cond, "message")) {
[01:28:18.900]                       muffled <- grepl(pattern, "muffleMessage")
[01:28:18.900]                       if (muffled) 
[01:28:18.900]                         invokeRestart("muffleMessage")
[01:28:18.900]                     }
[01:28:18.900]                     else if (inherits(cond, "warning")) {
[01:28:18.900]                       muffled <- grepl(pattern, "muffleWarning")
[01:28:18.900]                       if (muffled) 
[01:28:18.900]                         invokeRestart("muffleWarning")
[01:28:18.900]                     }
[01:28:18.900]                     else if (inherits(cond, "condition")) {
[01:28:18.900]                       if (!is.null(pattern)) {
[01:28:18.900]                         computeRestarts <- base::computeRestarts
[01:28:18.900]                         grepl <- base::grepl
[01:28:18.900]                         restarts <- computeRestarts(cond)
[01:28:18.900]                         for (restart in restarts) {
[01:28:18.900]                           name <- restart$name
[01:28:18.900]                           if (is.null(name)) 
[01:28:18.900]                             next
[01:28:18.900]                           if (!grepl(pattern, name)) 
[01:28:18.900]                             next
[01:28:18.900]                           invokeRestart(restart)
[01:28:18.900]                           muffled <- TRUE
[01:28:18.900]                           break
[01:28:18.900]                         }
[01:28:18.900]                       }
[01:28:18.900]                     }
[01:28:18.900]                     invisible(muffled)
[01:28:18.900]                   }
[01:28:18.900]                   muffleCondition(cond)
[01:28:18.900]                 })
[01:28:18.900]             }))
[01:28:18.900]             future::FutureResult(value = ...future.value$value, 
[01:28:18.900]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.900]                   ...future.rng), globalenv = if (FALSE) 
[01:28:18.900]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[01:28:18.900]                     ...future.globalenv.names))
[01:28:18.900]                 else NULL, started = ...future.startTime, version = "1.8")
[01:28:18.900]         }, condition = base::local({
[01:28:18.900]             c <- base::c
[01:28:18.900]             inherits <- base::inherits
[01:28:18.900]             invokeRestart <- base::invokeRestart
[01:28:18.900]             length <- base::length
[01:28:18.900]             list <- base::list
[01:28:18.900]             seq.int <- base::seq.int
[01:28:18.900]             signalCondition <- base::signalCondition
[01:28:18.900]             sys.calls <- base::sys.calls
[01:28:18.900]             `[[` <- base::`[[`
[01:28:18.900]             `+` <- base::`+`
[01:28:18.900]             `<<-` <- base::`<<-`
[01:28:18.900]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[01:28:18.900]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[01:28:18.900]                   3L)]
[01:28:18.900]             }
[01:28:18.900]             function(cond) {
[01:28:18.900]                 is_error <- inherits(cond, "error")
[01:28:18.900]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[01:28:18.900]                   NULL)
[01:28:18.900]                 if (is_error) {
[01:28:18.900]                   sessionInformation <- function() {
[01:28:18.900]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[01:28:18.900]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[01:28:18.900]                       search = base::search(), system = base::Sys.info())
[01:28:18.900]                   }
[01:28:18.900]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.900]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[01:28:18.900]                     cond$call), session = sessionInformation(), 
[01:28:18.900]                     timestamp = base::Sys.time(), signaled = 0L)
[01:28:18.900]                   signalCondition(cond)
[01:28:18.900]                 }
[01:28:18.900]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[01:28:18.900]                 "immediateCondition"))) {
[01:28:18.900]                   signal <- TRUE && inherits(cond, "immediateCondition")
[01:28:18.900]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.900]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[01:28:18.900]                   if (TRUE && !signal) {
[01:28:18.900]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.900]                     {
[01:28:18.900]                       inherits <- base::inherits
[01:28:18.900]                       invokeRestart <- base::invokeRestart
[01:28:18.900]                       is.null <- base::is.null
[01:28:18.900]                       muffled <- FALSE
[01:28:18.900]                       if (inherits(cond, "message")) {
[01:28:18.900]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.900]                         if (muffled) 
[01:28:18.900]                           invokeRestart("muffleMessage")
[01:28:18.900]                       }
[01:28:18.900]                       else if (inherits(cond, "warning")) {
[01:28:18.900]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.900]                         if (muffled) 
[01:28:18.900]                           invokeRestart("muffleWarning")
[01:28:18.900]                       }
[01:28:18.900]                       else if (inherits(cond, "condition")) {
[01:28:18.900]                         if (!is.null(pattern)) {
[01:28:18.900]                           computeRestarts <- base::computeRestarts
[01:28:18.900]                           grepl <- base::grepl
[01:28:18.900]                           restarts <- computeRestarts(cond)
[01:28:18.900]                           for (restart in restarts) {
[01:28:18.900]                             name <- restart$name
[01:28:18.900]                             if (is.null(name)) 
[01:28:18.900]                               next
[01:28:18.900]                             if (!grepl(pattern, name)) 
[01:28:18.900]                               next
[01:28:18.900]                             invokeRestart(restart)
[01:28:18.900]                             muffled <- TRUE
[01:28:18.900]                             break
[01:28:18.900]                           }
[01:28:18.900]                         }
[01:28:18.900]                       }
[01:28:18.900]                       invisible(muffled)
[01:28:18.900]                     }
[01:28:18.900]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.900]                   }
[01:28:18.900]                 }
[01:28:18.900]                 else {
[01:28:18.900]                   if (TRUE) {
[01:28:18.900]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.900]                     {
[01:28:18.900]                       inherits <- base::inherits
[01:28:18.900]                       invokeRestart <- base::invokeRestart
[01:28:18.900]                       is.null <- base::is.null
[01:28:18.900]                       muffled <- FALSE
[01:28:18.900]                       if (inherits(cond, "message")) {
[01:28:18.900]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.900]                         if (muffled) 
[01:28:18.900]                           invokeRestart("muffleMessage")
[01:28:18.900]                       }
[01:28:18.900]                       else if (inherits(cond, "warning")) {
[01:28:18.900]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.900]                         if (muffled) 
[01:28:18.900]                           invokeRestart("muffleWarning")
[01:28:18.900]                       }
[01:28:18.900]                       else if (inherits(cond, "condition")) {
[01:28:18.900]                         if (!is.null(pattern)) {
[01:28:18.900]                           computeRestarts <- base::computeRestarts
[01:28:18.900]                           grepl <- base::grepl
[01:28:18.900]                           restarts <- computeRestarts(cond)
[01:28:18.900]                           for (restart in restarts) {
[01:28:18.900]                             name <- restart$name
[01:28:18.900]                             if (is.null(name)) 
[01:28:18.900]                               next
[01:28:18.900]                             if (!grepl(pattern, name)) 
[01:28:18.900]                               next
[01:28:18.900]                             invokeRestart(restart)
[01:28:18.900]                             muffled <- TRUE
[01:28:18.900]                             break
[01:28:18.900]                           }
[01:28:18.900]                         }
[01:28:18.900]                       }
[01:28:18.900]                       invisible(muffled)
[01:28:18.900]                     }
[01:28:18.900]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.900]                   }
[01:28:18.900]                 }
[01:28:18.900]             }
[01:28:18.900]         }))
[01:28:18.900]     }, error = function(ex) {
[01:28:18.900]         base::structure(base::list(value = NULL, visible = NULL, 
[01:28:18.900]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.900]                 ...future.rng), started = ...future.startTime, 
[01:28:18.900]             finished = Sys.time(), session_uuid = NA_character_, 
[01:28:18.900]             version = "1.8"), class = "FutureResult")
[01:28:18.900]     }, finally = {
[01:28:18.900]         if (!identical(...future.workdir, getwd())) 
[01:28:18.900]             setwd(...future.workdir)
[01:28:18.900]         {
[01:28:18.900]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[01:28:18.900]                 ...future.oldOptions$nwarnings <- NULL
[01:28:18.900]             }
[01:28:18.900]             base::options(...future.oldOptions)
[01:28:18.900]             if (.Platform$OS.type == "windows") {
[01:28:18.900]                 old_names <- names(...future.oldEnvVars)
[01:28:18.900]                 envs <- base::Sys.getenv()
[01:28:18.900]                 names <- names(envs)
[01:28:18.900]                 common <- intersect(names, old_names)
[01:28:18.900]                 added <- setdiff(names, old_names)
[01:28:18.900]                 removed <- setdiff(old_names, names)
[01:28:18.900]                 changed <- common[...future.oldEnvVars[common] != 
[01:28:18.900]                   envs[common]]
[01:28:18.900]                 NAMES <- toupper(changed)
[01:28:18.900]                 args <- list()
[01:28:18.900]                 for (kk in seq_along(NAMES)) {
[01:28:18.900]                   name <- changed[[kk]]
[01:28:18.900]                   NAME <- NAMES[[kk]]
[01:28:18.900]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.900]                     next
[01:28:18.900]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.900]                 }
[01:28:18.900]                 NAMES <- toupper(added)
[01:28:18.900]                 for (kk in seq_along(NAMES)) {
[01:28:18.900]                   name <- added[[kk]]
[01:28:18.900]                   NAME <- NAMES[[kk]]
[01:28:18.900]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.900]                     next
[01:28:18.900]                   args[[name]] <- ""
[01:28:18.900]                 }
[01:28:18.900]                 NAMES <- toupper(removed)
[01:28:18.900]                 for (kk in seq_along(NAMES)) {
[01:28:18.900]                   name <- removed[[kk]]
[01:28:18.900]                   NAME <- NAMES[[kk]]
[01:28:18.900]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.900]                     next
[01:28:18.900]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.900]                 }
[01:28:18.900]                 if (length(args) > 0) 
[01:28:18.900]                   base::do.call(base::Sys.setenv, args = args)
[01:28:18.900]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[01:28:18.900]             }
[01:28:18.900]             else {
[01:28:18.900]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[01:28:18.900]             }
[01:28:18.900]             {
[01:28:18.900]                 if (base::length(...future.futureOptionsAdded) > 
[01:28:18.900]                   0L) {
[01:28:18.900]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[01:28:18.900]                   base::names(opts) <- ...future.futureOptionsAdded
[01:28:18.900]                   base::options(opts)
[01:28:18.900]                 }
[01:28:18.900]                 {
[01:28:18.900]                   {
[01:28:18.900]                     base::options(mc.cores = ...future.mc.cores.old)
[01:28:18.900]                     NULL
[01:28:18.900]                   }
[01:28:18.900]                   options(future.plan = NULL)
[01:28:18.900]                   if (is.na(NA_character_)) 
[01:28:18.900]                     Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.900]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[01:28:18.900]                   future::plan(list(function (..., workers = 2L, 
[01:28:18.900]                     envir = parent.frame()) 
[01:28:18.900]                   strategy(..., workers = workers, envir = envir)), 
[01:28:18.900]                     .cleanup = FALSE, .init = FALSE)
[01:28:18.900]                 }
[01:28:18.900]             }
[01:28:18.900]         }
[01:28:18.900]     })
[01:28:18.900]     if (TRUE) {
[01:28:18.900]         base::sink(type = "output", split = FALSE)
[01:28:18.900]         if (TRUE) {
[01:28:18.900]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[01:28:18.900]         }
[01:28:18.900]         else {
[01:28:18.900]             ...future.result["stdout"] <- base::list(NULL)
[01:28:18.900]         }
[01:28:18.900]         base::close(...future.stdout)
[01:28:18.900]         ...future.stdout <- NULL
[01:28:18.900]     }
[01:28:18.900]     ...future.result$conditions <- ...future.conditions
[01:28:18.900]     ...future.result$finished <- base::Sys.time()
[01:28:18.900]     ...future.result
[01:28:18.900] }
[01:28:18.906] MultisessionFuture started
[01:28:18.906] - Launch lazy future ... done
[01:28:18.906] run() for 'MultisessionFuture' ... done
> ## FIXME: print() calls resolved(), which triggers a result() collection,
> ## and future 'f1' to become resolved.  This means future 'f2' below
> ## may launch on the same worker as 'f1'.  So, don't resolve().
> # print(f1)
> cat(sprintf("Future #1 session: %d\n", f1$node))
Future #1 session: 1
> stopifnot(identical(f1$owner, session_uuid))
> print(usedNodes(f1))
 used total 
    1     2 
> 
> message("Creating future #2:")
Creating future #2:
> f2 <- future({ value(f1) })
[01:28:18.907] getGlobalsAndPackages() ...
[01:28:18.907] Searching for globals...
[01:28:18.908] - globals found: [3] '{', 'value', 'f1'
[01:28:18.908] Searching for globals ... DONE
[01:28:18.908] Resolving globals: FALSE
[01:28:18.911] The total size of the 1 globals is 1.57 MiB (1651464 bytes)
[01:28:18.911] The total size of the 1 globals exported for future expression ('{; value(f1); }') is 1.57 MiB.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'f1' (1.57 MiB of class 'environment')
[01:28:18.911] - globals: [1] 'f1'
[01:28:18.912] - packages: [1] 'future'
[01:28:18.912] getGlobalsAndPackages() ... DONE
[01:28:18.912] run() for 'Future' ...
[01:28:18.912] - state: 'created'
[01:28:18.913] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[01:28:18.925] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[01:28:18.925] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[01:28:18.925]   - Field: 'node'
[01:28:18.925]   - Field: 'label'
[01:28:18.925]   - Field: 'local'
[01:28:18.926]   - Field: 'owner'
[01:28:18.926]   - Field: 'envir'
[01:28:18.926]   - Field: 'workers'
[01:28:18.926]   - Field: 'packages'
[01:28:18.926]   - Field: 'gc'
[01:28:18.926]   - Field: 'conditions'
[01:28:18.927]   - Field: 'persistent'
[01:28:18.927]   - Field: 'expr'
[01:28:18.927]   - Field: 'uuid'
[01:28:18.927]   - Field: 'seed'
[01:28:18.927]   - Field: 'version'
[01:28:18.927]   - Field: 'result'
[01:28:18.928]   - Field: 'asynchronous'
[01:28:18.928]   - Field: 'calls'
[01:28:18.928]   - Field: 'globals'
[01:28:18.928]   - Field: 'stdout'
[01:28:18.928]   - Field: 'earlySignal'
[01:28:18.928]   - Field: 'lazy'
[01:28:18.929]   - Field: 'state'
[01:28:18.929] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[01:28:18.929] - Launch lazy future ...
[01:28:18.929] Packages needed by the future expression (n = 1): 'future'
[01:28:18.930] Packages needed by future strategies (n = 0): <none>
[01:28:18.930] {
[01:28:18.930]     {
[01:28:18.930]         {
[01:28:18.930]             ...future.startTime <- base::Sys.time()
[01:28:18.930]             {
[01:28:18.930]                 {
[01:28:18.930]                   {
[01:28:18.930]                     {
[01:28:18.930]                       {
[01:28:18.930]                         base::local({
[01:28:18.930]                           has_future <- base::requireNamespace("future", 
[01:28:18.930]                             quietly = TRUE)
[01:28:18.930]                           if (has_future) {
[01:28:18.930]                             ns <- base::getNamespace("future")
[01:28:18.930]                             version <- ns[[".package"]][["version"]]
[01:28:18.930]                             if (is.null(version)) 
[01:28:18.930]                               version <- utils::packageVersion("future")
[01:28:18.930]                           }
[01:28:18.930]                           else {
[01:28:18.930]                             version <- NULL
[01:28:18.930]                           }
[01:28:18.930]                           if (!has_future || version < "1.8.0") {
[01:28:18.930]                             info <- base::c(r_version = base::gsub("R version ", 
[01:28:18.930]                               "", base::R.version$version.string), 
[01:28:18.930]                               platform = base::sprintf("%s (%s-bit)", 
[01:28:18.930]                                 base::R.version$platform, 8 * 
[01:28:18.930]                                   base::.Machine$sizeof.pointer), 
[01:28:18.930]                               os = base::paste(base::Sys.info()[base::c("sysname", 
[01:28:18.930]                                 "release", "version")], collapse = " "), 
[01:28:18.930]                               hostname = base::Sys.info()[["nodename"]])
[01:28:18.930]                             info <- base::sprintf("%s: %s", base::names(info), 
[01:28:18.930]                               info)
[01:28:18.930]                             info <- base::paste(info, collapse = "; ")
[01:28:18.930]                             if (!has_future) {
[01:28:18.930]                               msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[01:28:18.930]                                 info)
[01:28:18.930]                             }
[01:28:18.930]                             else {
[01:28:18.930]                               msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[01:28:18.930]                                 info, version)
[01:28:18.930]                             }
[01:28:18.930]                             base::stop(msg)
[01:28:18.930]                           }
[01:28:18.930]                         })
[01:28:18.930]                       }
[01:28:18.930]                       ...future.mc.cores.old <- base::getOption("mc.cores")
[01:28:18.930]                       base::options(mc.cores = 1L)
[01:28:18.930]                     }
[01:28:18.930]                     base::local({
[01:28:18.930]                       for (pkg in "future") {
[01:28:18.930]                         base::loadNamespace(pkg)
[01:28:18.930]                         base::library(pkg, character.only = TRUE)
[01:28:18.930]                       }
[01:28:18.930]                     })
[01:28:18.930]                   }
[01:28:18.930]                   options(future.plan = NULL)
[01:28:18.930]                   Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.930]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[01:28:18.930]                 }
[01:28:18.930]                 ...future.workdir <- getwd()
[01:28:18.930]             }
[01:28:18.930]             ...future.oldOptions <- base::as.list(base::.Options)
[01:28:18.930]             ...future.oldEnvVars <- base::Sys.getenv()
[01:28:18.930]         }
[01:28:18.930]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[01:28:18.930]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[01:28:18.930]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[01:28:18.930]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[01:28:18.930]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[01:28:18.930]             future.stdout.windows.reencode = NULL, width = 80L)
[01:28:18.930]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[01:28:18.930]             base::names(...future.oldOptions))
[01:28:18.930]     }
[01:28:18.930]     if (FALSE) {
[01:28:18.930]     }
[01:28:18.930]     else {
[01:28:18.930]         if (TRUE) {
[01:28:18.930]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[01:28:18.930]                 open = "w")
[01:28:18.930]         }
[01:28:18.930]         else {
[01:28:18.930]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[01:28:18.930]                 windows = "NUL", "/dev/null"), open = "w")
[01:28:18.930]         }
[01:28:18.930]         base::sink(...future.stdout, type = "output", split = FALSE)
[01:28:18.930]         base::on.exit(if (!base::is.null(...future.stdout)) {
[01:28:18.930]             base::sink(type = "output", split = FALSE)
[01:28:18.930]             base::close(...future.stdout)
[01:28:18.930]         }, add = TRUE)
[01:28:18.930]     }
[01:28:18.930]     ...future.frame <- base::sys.nframe()
[01:28:18.930]     ...future.conditions <- base::list()
[01:28:18.930]     ...future.rng <- base::globalenv()$.Random.seed
[01:28:18.930]     if (FALSE) {
[01:28:18.930]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[01:28:18.930]             "...future.value", "...future.globalenv.names", ".Random.seed")
[01:28:18.930]     }
[01:28:18.930]     ...future.result <- base::tryCatch({
[01:28:18.930]         base::withCallingHandlers({
[01:28:18.930]             ...future.value <- base::withVisible(base::local({
[01:28:18.930]                 ...future.makeSendCondition <- base::local({
[01:28:18.930]                   sendCondition <- NULL
[01:28:18.930]                   function(frame = 1L) {
[01:28:18.930]                     if (is.function(sendCondition)) 
[01:28:18.930]                       return(sendCondition)
[01:28:18.930]                     ns <- getNamespace("parallel")
[01:28:18.930]                     if (exists("sendData", mode = "function", 
[01:28:18.930]                       envir = ns)) {
[01:28:18.930]                       parallel_sendData <- get("sendData", mode = "function", 
[01:28:18.930]                         envir = ns)
[01:28:18.930]                       envir <- sys.frame(frame)
[01:28:18.930]                       master <- NULL
[01:28:18.930]                       while (!identical(envir, .GlobalEnv) && 
[01:28:18.930]                         !identical(envir, emptyenv())) {
[01:28:18.930]                         if (exists("master", mode = "list", envir = envir, 
[01:28:18.930]                           inherits = FALSE)) {
[01:28:18.930]                           master <- get("master", mode = "list", 
[01:28:18.930]                             envir = envir, inherits = FALSE)
[01:28:18.930]                           if (inherits(master, c("SOCKnode", 
[01:28:18.930]                             "SOCK0node"))) {
[01:28:18.930]                             sendCondition <<- function(cond) {
[01:28:18.930]                               data <- list(type = "VALUE", value = cond, 
[01:28:18.930]                                 success = TRUE)
[01:28:18.930]                               parallel_sendData(master, data)
[01:28:18.930]                             }
[01:28:18.930]                             return(sendCondition)
[01:28:18.930]                           }
[01:28:18.930]                         }
[01:28:18.930]                         frame <- frame + 1L
[01:28:18.930]                         envir <- sys.frame(frame)
[01:28:18.930]                       }
[01:28:18.930]                     }
[01:28:18.930]                     sendCondition <<- function(cond) NULL
[01:28:18.930]                   }
[01:28:18.930]                 })
[01:28:18.930]                 withCallingHandlers({
[01:28:18.930]                   {
[01:28:18.930]                     value(f1)
[01:28:18.930]                   }
[01:28:18.930]                 }, immediateCondition = function(cond) {
[01:28:18.930]                   sendCondition <- ...future.makeSendCondition()
[01:28:18.930]                   sendCondition(cond)
[01:28:18.930]                   muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.930]                   {
[01:28:18.930]                     inherits <- base::inherits
[01:28:18.930]                     invokeRestart <- base::invokeRestart
[01:28:18.930]                     is.null <- base::is.null
[01:28:18.930]                     muffled <- FALSE
[01:28:18.930]                     if (inherits(cond, "message")) {
[01:28:18.930]                       muffled <- grepl(pattern, "muffleMessage")
[01:28:18.930]                       if (muffled) 
[01:28:18.930]                         invokeRestart("muffleMessage")
[01:28:18.930]                     }
[01:28:18.930]                     else if (inherits(cond, "warning")) {
[01:28:18.930]                       muffled <- grepl(pattern, "muffleWarning")
[01:28:18.930]                       if (muffled) 
[01:28:18.930]                         invokeRestart("muffleWarning")
[01:28:18.930]                     }
[01:28:18.930]                     else if (inherits(cond, "condition")) {
[01:28:18.930]                       if (!is.null(pattern)) {
[01:28:18.930]                         computeRestarts <- base::computeRestarts
[01:28:18.930]                         grepl <- base::grepl
[01:28:18.930]                         restarts <- computeRestarts(cond)
[01:28:18.930]                         for (restart in restarts) {
[01:28:18.930]                           name <- restart$name
[01:28:18.930]                           if (is.null(name)) 
[01:28:18.930]                             next
[01:28:18.930]                           if (!grepl(pattern, name)) 
[01:28:18.930]                             next
[01:28:18.930]                           invokeRestart(restart)
[01:28:18.930]                           muffled <- TRUE
[01:28:18.930]                           break
[01:28:18.930]                         }
[01:28:18.930]                       }
[01:28:18.930]                     }
[01:28:18.930]                     invisible(muffled)
[01:28:18.930]                   }
[01:28:18.930]                   muffleCondition(cond)
[01:28:18.930]                 })
[01:28:18.930]             }))
[01:28:18.930]             future::FutureResult(value = ...future.value$value, 
[01:28:18.930]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.930]                   ...future.rng), globalenv = if (FALSE) 
[01:28:18.930]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[01:28:18.930]                     ...future.globalenv.names))
[01:28:18.930]                 else NULL, started = ...future.startTime, version = "1.8")
[01:28:18.930]         }, condition = base::local({
[01:28:18.930]             c <- base::c
[01:28:18.930]             inherits <- base::inherits
[01:28:18.930]             invokeRestart <- base::invokeRestart
[01:28:18.930]             length <- base::length
[01:28:18.930]             list <- base::list
[01:28:18.930]             seq.int <- base::seq.int
[01:28:18.930]             signalCondition <- base::signalCondition
[01:28:18.930]             sys.calls <- base::sys.calls
[01:28:18.930]             `[[` <- base::`[[`
[01:28:18.930]             `+` <- base::`+`
[01:28:18.930]             `<<-` <- base::`<<-`
[01:28:18.930]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[01:28:18.930]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[01:28:18.930]                   3L)]
[01:28:18.930]             }
[01:28:18.930]             function(cond) {
[01:28:18.930]                 is_error <- inherits(cond, "error")
[01:28:18.930]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[01:28:18.930]                   NULL)
[01:28:18.930]                 if (is_error) {
[01:28:18.930]                   sessionInformation <- function() {
[01:28:18.930]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[01:28:18.930]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[01:28:18.930]                       search = base::search(), system = base::Sys.info())
[01:28:18.930]                   }
[01:28:18.930]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.930]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[01:28:18.930]                     cond$call), session = sessionInformation(), 
[01:28:18.930]                     timestamp = base::Sys.time(), signaled = 0L)
[01:28:18.930]                   signalCondition(cond)
[01:28:18.930]                 }
[01:28:18.930]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[01:28:18.930]                 "immediateCondition"))) {
[01:28:18.930]                   signal <- TRUE && inherits(cond, "immediateCondition")
[01:28:18.930]                   ...future.conditions[[length(...future.conditions) + 
[01:28:18.930]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[01:28:18.930]                   if (TRUE && !signal) {
[01:28:18.930]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.930]                     {
[01:28:18.930]                       inherits <- base::inherits
[01:28:18.930]                       invokeRestart <- base::invokeRestart
[01:28:18.930]                       is.null <- base::is.null
[01:28:18.930]                       muffled <- FALSE
[01:28:18.930]                       if (inherits(cond, "message")) {
[01:28:18.930]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.930]                         if (muffled) 
[01:28:18.930]                           invokeRestart("muffleMessage")
[01:28:18.930]                       }
[01:28:18.930]                       else if (inherits(cond, "warning")) {
[01:28:18.930]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.930]                         if (muffled) 
[01:28:18.930]                           invokeRestart("muffleWarning")
[01:28:18.930]                       }
[01:28:18.930]                       else if (inherits(cond, "condition")) {
[01:28:18.930]                         if (!is.null(pattern)) {
[01:28:18.930]                           computeRestarts <- base::computeRestarts
[01:28:18.930]                           grepl <- base::grepl
[01:28:18.930]                           restarts <- computeRestarts(cond)
[01:28:18.930]                           for (restart in restarts) {
[01:28:18.930]                             name <- restart$name
[01:28:18.930]                             if (is.null(name)) 
[01:28:18.930]                               next
[01:28:18.930]                             if (!grepl(pattern, name)) 
[01:28:18.930]                               next
[01:28:18.930]                             invokeRestart(restart)
[01:28:18.930]                             muffled <- TRUE
[01:28:18.930]                             break
[01:28:18.930]                           }
[01:28:18.930]                         }
[01:28:18.930]                       }
[01:28:18.930]                       invisible(muffled)
[01:28:18.930]                     }
[01:28:18.930]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.930]                   }
[01:28:18.930]                 }
[01:28:18.930]                 else {
[01:28:18.930]                   if (TRUE) {
[01:28:18.930]                     muffleCondition <- function (cond, pattern = "^muffle") 
[01:28:18.930]                     {
[01:28:18.930]                       inherits <- base::inherits
[01:28:18.930]                       invokeRestart <- base::invokeRestart
[01:28:18.930]                       is.null <- base::is.null
[01:28:18.930]                       muffled <- FALSE
[01:28:18.930]                       if (inherits(cond, "message")) {
[01:28:18.930]                         muffled <- grepl(pattern, "muffleMessage")
[01:28:18.930]                         if (muffled) 
[01:28:18.930]                           invokeRestart("muffleMessage")
[01:28:18.930]                       }
[01:28:18.930]                       else if (inherits(cond, "warning")) {
[01:28:18.930]                         muffled <- grepl(pattern, "muffleWarning")
[01:28:18.930]                         if (muffled) 
[01:28:18.930]                           invokeRestart("muffleWarning")
[01:28:18.930]                       }
[01:28:18.930]                       else if (inherits(cond, "condition")) {
[01:28:18.930]                         if (!is.null(pattern)) {
[01:28:18.930]                           computeRestarts <- base::computeRestarts
[01:28:18.930]                           grepl <- base::grepl
[01:28:18.930]                           restarts <- computeRestarts(cond)
[01:28:18.930]                           for (restart in restarts) {
[01:28:18.930]                             name <- restart$name
[01:28:18.930]                             if (is.null(name)) 
[01:28:18.930]                               next
[01:28:18.930]                             if (!grepl(pattern, name)) 
[01:28:18.930]                               next
[01:28:18.930]                             invokeRestart(restart)
[01:28:18.930]                             muffled <- TRUE
[01:28:18.930]                             break
[01:28:18.930]                           }
[01:28:18.930]                         }
[01:28:18.930]                       }
[01:28:18.930]                       invisible(muffled)
[01:28:18.930]                     }
[01:28:18.930]                     muffleCondition(cond, pattern = "^muffle")
[01:28:18.930]                   }
[01:28:18.930]                 }
[01:28:18.930]             }
[01:28:18.930]         }))
[01:28:18.930]     }, error = function(ex) {
[01:28:18.930]         base::structure(base::list(value = NULL, visible = NULL, 
[01:28:18.930]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[01:28:18.930]                 ...future.rng), started = ...future.startTime, 
[01:28:18.930]             finished = Sys.time(), session_uuid = NA_character_, 
[01:28:18.930]             version = "1.8"), class = "FutureResult")
[01:28:18.930]     }, finally = {
[01:28:18.930]         if (!identical(...future.workdir, getwd())) 
[01:28:18.930]             setwd(...future.workdir)
[01:28:18.930]         {
[01:28:18.930]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[01:28:18.930]                 ...future.oldOptions$nwarnings <- NULL
[01:28:18.930]             }
[01:28:18.930]             base::options(...future.oldOptions)
[01:28:18.930]             if (.Platform$OS.type == "windows") {
[01:28:18.930]                 old_names <- names(...future.oldEnvVars)
[01:28:18.930]                 envs <- base::Sys.getenv()
[01:28:18.930]                 names <- names(envs)
[01:28:18.930]                 common <- intersect(names, old_names)
[01:28:18.930]                 added <- setdiff(names, old_names)
[01:28:18.930]                 removed <- setdiff(old_names, names)
[01:28:18.930]                 changed <- common[...future.oldEnvVars[common] != 
[01:28:18.930]                   envs[common]]
[01:28:18.930]                 NAMES <- toupper(changed)
[01:28:18.930]                 args <- list()
[01:28:18.930]                 for (kk in seq_along(NAMES)) {
[01:28:18.930]                   name <- changed[[kk]]
[01:28:18.930]                   NAME <- NAMES[[kk]]
[01:28:18.930]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.930]                     next
[01:28:18.930]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.930]                 }
[01:28:18.930]                 NAMES <- toupper(added)
[01:28:18.930]                 for (kk in seq_along(NAMES)) {
[01:28:18.930]                   name <- added[[kk]]
[01:28:18.930]                   NAME <- NAMES[[kk]]
[01:28:18.930]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.930]                     next
[01:28:18.930]                   args[[name]] <- ""
[01:28:18.930]                 }
[01:28:18.930]                 NAMES <- toupper(removed)
[01:28:18.930]                 for (kk in seq_along(NAMES)) {
[01:28:18.930]                   name <- removed[[kk]]
[01:28:18.930]                   NAME <- NAMES[[kk]]
[01:28:18.930]                   if (name != NAME && is.element(NAME, old_names)) 
[01:28:18.930]                     next
[01:28:18.930]                   args[[name]] <- ...future.oldEnvVars[[name]]
[01:28:18.930]                 }
[01:28:18.930]                 if (length(args) > 0) 
[01:28:18.930]                   base::do.call(base::Sys.setenv, args = args)
[01:28:18.930]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[01:28:18.930]             }
[01:28:18.930]             else {
[01:28:18.930]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[01:28:18.930]             }
[01:28:18.930]             {
[01:28:18.930]                 if (base::length(...future.futureOptionsAdded) > 
[01:28:18.930]                   0L) {
[01:28:18.930]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[01:28:18.930]                   base::names(opts) <- ...future.futureOptionsAdded
[01:28:18.930]                   base::options(opts)
[01:28:18.930]                 }
[01:28:18.930]                 {
[01:28:18.930]                   {
[01:28:18.930]                     base::options(mc.cores = ...future.mc.cores.old)
[01:28:18.930]                     NULL
[01:28:18.930]                   }
[01:28:18.930]                   options(future.plan = NULL)
[01:28:18.930]                   if (is.na(NA_character_)) 
[01:28:18.930]                     Sys.unsetenv("R_FUTURE_PLAN")
[01:28:18.930]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[01:28:18.930]                   future::plan(list(function (..., workers = 2L, 
[01:28:18.930]                     envir = parent.frame()) 
[01:28:18.930]                   strategy(..., workers = workers, envir = envir)), 
[01:28:18.930]                     .cleanup = FALSE, .init = FALSE)
[01:28:18.930]                 }
[01:28:18.930]             }
[01:28:18.930]         }
[01:28:18.930]     })
[01:28:18.930]     if (TRUE) {
[01:28:18.930]         base::sink(type = "output", split = FALSE)
[01:28:18.930]         if (TRUE) {
[01:28:18.930]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[01:28:18.930]         }
[01:28:18.930]         else {
[01:28:18.930]             ...future.result["stdout"] <- base::list(NULL)
[01:28:18.930]         }
[01:28:18.930]         base::close(...future.stdout)
[01:28:18.930]         ...future.stdout <- NULL
[01:28:18.930]     }
[01:28:18.930]     ...future.result$conditions <- ...future.conditions
[01:28:18.930]     ...future.result$finished <- base::Sys.time()
[01:28:18.930]     ...future.result
[01:28:18.930] }
[01:28:19.010] Exporting 1 global objects (1.57 MiB) to cluster node #2 ...
[01:28:19.013] Exporting 'f1' (1.57 MiB) to cluster node #2 ...
[01:28:19.025] Exporting 'f1' (1.57 MiB) to cluster node #2 ... DONE
[01:28:19.025] Exporting 1 global objects (1.57 MiB) to cluster node #2 ... DONE
[01:28:19.026] MultisessionFuture started
[01:28:19.026] - Launch lazy future ... done
[01:28:19.026] run() for 'MultisessionFuture' ... done
> print(f2)
MultisessionFuture:
Label: '<none>'
Expression:
{
    value(f1)
}
Lazy evaluation: FALSE
Asynchronous evaluation: TRUE
Local evaluation: TRUE
Environment: R_GlobalEnv
Capture standard output: TRUE
Capture condition classes: 'condition' (excluding 'nothing')
Globals: 1 objects totaling 1.57 MiB (MultisessionFuture 'f1' of 1.57 MiB)
Packages: 1 packages ('future')
L'Ecuyer-CMRG RNG seed: <none> (seed = FALSE)
[01:28:19.086] receiveMessageFromWorker() for ClusterFuture ...
[01:28:19.087] - Validating connection of MultisessionFuture
[01:28:19.099] - received message: FutureResult
[01:28:19.099] - Received FutureResult
[01:28:19.099] - Erased future from FutureRegistry
[01:28:19.100] result() for ClusterFuture ...
[01:28:19.100] - result already collected: FutureResult
[01:28:19.100] result() for ClusterFuture ... done
[01:28:19.100] signalConditions() ...
[01:28:19.100]  - include = 'immediateCondition'
[01:28:19.100]  - exclude = 
[01:28:19.101]  - resignal = FALSE
[01:28:19.101]  - Number of conditions: 1
[01:28:19.101] signalConditions() ... done
[01:28:19.101] receiveMessageFromWorker() for ClusterFuture ... done
Resolved: TRUE
Value: <not collected>
Conditions captured: <none>
Early signaling: FALSE
Owner process: e2c891c4-cab0-ea03-2a69-bb67514aebf9
Class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
> cat(sprintf("Future #2 session: %d\n", f2$node))
Future #2 session: 2
> stopifnot(identical(f2$owner, session_uuid))
> print(usedNodes(f2))
 used total 
    1     2 
> 
> message("Getting value of future #2:")
Getting value of future #2:
> res <- tryCatch(value(f2), error = identity)
[01:28:19.105] result() for ClusterFuture ...
[01:28:19.105] - result already collected: FutureResult
[01:28:19.106] result() for ClusterFuture ... done
[01:28:19.106] result() for ClusterFuture ...
[01:28:19.106] - result already collected: FutureResult
[01:28:19.106] result() for ClusterFuture ... done
[01:28:19.106] signalConditions() ...
[01:28:19.106]  - include = 'immediateCondition'
[01:28:19.107]  - exclude = 
[01:28:19.107]  - resignal = FALSE
[01:28:19.107]  - Number of conditions: 1
[01:28:19.107] signalConditions() ... done
[01:28:19.107] Future state: 'finished'
[01:28:19.107] result() for ClusterFuture ...
[01:28:19.108] - result already collected: FutureResult
[01:28:19.108] result() for ClusterFuture ... done
[01:28:19.108] signalConditions() ...
[01:28:19.108]  - include = 'condition'
[01:28:19.108]  - exclude = 'immediateCondition'
[01:28:19.108]  - resignal = TRUE
[01:28:19.109]  - Number of conditions: 1
[01:28:19.109]  - Condition #1: 'FutureError', 'error', 'FutureCondition', 'condition'
[01:28:19.109] signalConditions() ... done
> print(res)
<FutureError: Invalid usage of futures: A future (here 'MultisessionFuture') whose value has not yet been collected can only be queried by the R process (e2c891c4-cab0-ea03-2a69-bb67514aebf9; pid 13708 on CRANWIN3) that created it, not by any other R processes (7393be36-4829-58a5-9386-48dee886e612; pid 10412 on CRANWIN3): {; 42L; }>


Future UUID: b2b9c9ca-d719-7d0b-bbed-52c94a9359a2


DEBUG: BEGIN TROUBLESHOOTING HELP
Future involved:
MultisessionFuture:
Label: '<none>'
Expression:
{
    42L
}
Lazy evaluation: FALSE
Asynchronous evaluation: TRUE
Local evaluation: TRUE
Environment: R_GlobalEnv
Capture standard output: TRUE
Capture condition classes: 'condition' (excluding 'nothing')
Globals: <none>
Packages: <none>
L'Ecuyer-CMRG RNG seed: <none> (seed = FALSE)
Resolved: FALSE
Value: <not collected>
Conditions captured: <none>
Early signaling: FALSE
Owner process: e2c891c4-cab0-ea03-2a69-bb67514aebf9
Class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'

DEBUG: END TROUBLESHOOTING HELP
> stopifnot(inherits(res, "error"))
> 
> v1 <- value(f1)
[01:28:19.110] result() for ClusterFuture ...
[01:28:19.110] receiveMessageFromWorker() for ClusterFuture ...
[01:28:19.111] - Validating connection of MultisessionFuture
[01:28:19.111] - received message: FutureResult
[01:28:19.111] - Received FutureResult
[01:28:19.111] - Erased future from FutureRegistry
[01:28:19.111] result() for ClusterFuture ...
[01:28:19.112] - result already collected: FutureResult
[01:28:19.112] result() for ClusterFuture ... done
[01:28:19.112] receiveMessageFromWorker() for ClusterFuture ... done
[01:28:19.112] result() for ClusterFuture ... done
[01:28:19.112] result() for ClusterFuture ...
[01:28:19.112] - result already collected: FutureResult
[01:28:19.112] result() for ClusterFuture ... done
> print(v1)
[1] 42
> stopifnot(v1 == 42L)
> 
> message("- Trying with invalid ownership ... DONE")
- Trying with invalid ownership ... DONE
> 
> message("*** future() - invalid ownership ... DONE")
*** future() - invalid ownership ... DONE
> 
> source("incl/end.R")
[01:28:19.114] plan(): Setting new future strategy stack:
[01:28:19.114] List of future strategies:
[01:28:19.114] 1. FutureStrategy:
[01:28:19.114]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[01:28:19.114]    - tweaked: FALSE
[01:28:19.114]    - call: future::plan(oplan)
[01:28:19.115] plan(): nbrOfWorkers() = 1
Failed to undo environment variables:
 - Expected environment variables: [n=204] '!ExitCode', 'ALLUSERSPROFILE', 'APPDATA', 'BIBINPUTS', 'BINDIR', 'BSTINPUTS', 'COMMONPROGRAMFILES', 'COMPUTERNAME', 'COMSPEC', 'CURL_CA_BUNDLE', 'CYGWIN', 'CommonProgramFiles(x86)', 'CommonProgramW6432', 'DriverData', 'HOME', 'HOMEDRIVE', 'HOMEPATH', 'JAGS_ROOT', 'JAVA_HOME', 'LANGUAGE', 'LC_COLLATE', 'LC_MONETARY', 'LC_TIME', 'LOCALAPPDATA', 'LOGONSERVER', 'LS_HOME', 'LS_LICENSE_PATH', 'MAKE', 'MAKEFLAGS', 'MAKELEVEL', 'MFLAGS', 'MSMPI_BENCHMARKS', 'MSMPI_BIN', 'MSYS2_ENV_CONV_EXCL', 'NUMBER_OF_PROCESSORS', 'OCL', 'OMP_THREAD_LIMIT', 'OS', 'PATH', 'PATHEXT', 'PROCESSOR_ARCHITECTURE', 'PROCESSOR_IDENTIFIER', 'PROCESSOR_LEVEL', 'PROCESSOR_REVISION', 'PROGRAMFILES', 'PROMPT', 'PSModulePath', 'PUBLIC', 'PWD', 'ProgramData', 'ProgramFiles(x86)', 'ProgramW6432', 'RTOOLS43_HOME', '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_MBCS_CONVERSION_FAILURE_', '_R_CHECK_NATIVE_ROUTINE_REGISTRATION_', '_R_CHECK_NEWS_IN_PLAIN_TEXT_', '_R_CHECK_NO_RECOMMENDED_', '_R_CHECK_NO_STOP_ON_TEST_ERROR_', '_R_CHECK_ORPHANED_', '_R_CHECK_OVERWRITE_REGISTERED_S3_METHODS_', '_R_CHECK_PACKAGES_USED_IGNORE_UNUSED_IMPORTS_', '_R_CHECK_PACKAGES_USED_IN_TESTS_USE_SUBDIRS_', '_R_CHECK_PACKAGE_DATASETS_SUPPRESS_NOTES_', '_R_CHECK_PACKAGE_NAME_', '_R_CHECK_PKG_SIZES_', '_R_CHECK_PKG_SIZES_THRESHOLD_', '_R_CHECK_PRAGMAS_', '_R_CHECK_RD_EXAMPLES_T_AND_F_', '_R_CHECK_RD_LINE_WIDTHS_', '_R_CHECK_RD_MATH_RENDERING_', '_R_CHECK_RD_NOTE_LOST_BRACES_', '_R_CHECK_RD_VALIDATE_RD2HTML_', '_R_CHECK_REPLACING_IMPORTS_', '_R_CHECK_R_DEPENDS_', '_R_CHECK_S3_METHODS_SHOW_POSSIBLE_ISSUES_', '_R_CHECK_SCREEN_DEVICE_', '_R_CHECK_SERIALIZATION_', '_R_CHECK_SHLIB_OPENMP_FLAGS_', '_R_CHECK_SRC_MINUS_W_IMPLICIT_', '_R_CHECK_SUBDIRS_NOCASE_', '_R_CHECK_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_', '__R_CHECK_DOC_FILES_NOTE_IF_ALL_SPECIAL__', 'maj.version', 'nextArg--timingsnextArg--install'
 - Environment variables still there: [n=0] 
 - Environment variables missing: [n=1] 'MAKEFLAGS'
Differences environment variable by environment variable:
List of 3
 $ name    : chr "MAKEFLAGS"
 $ expected: 'Dlist' chr ""
 $ actual  : 'Dlist' chr NA
> 
> proc.time()
   user  system elapsed 
   0.87    0.04    1.76