R Under development (unstable) (2024-03-25 r86192 ucrt) -- "Unsuffered Consequences"
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> source("incl/start.R")
[17:27:12.446] plan(): Setting new future strategy stack:
[17:27:12.447] List of future strategies:
[17:27:12.447] 1. sequential:
[17:27:12.447]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:12.447]    - tweaked: FALSE
[17:27:12.447]    - call: future::plan("sequential")
[17:27:12.463] 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)
[17:27:12.472] plan(): Setting new future strategy stack:
[17:27:12.472] List of future strategies:
[17:27:12.472] 1. multisession:
[17:27:12.472]    - args: function (..., workers = 2L, envir = parent.frame())
[17:27:12.472]    - tweaked: TRUE
[17:27:12.472]    - call: plan(multisession, workers = 2L)
[17:27:12.486] plan(): plan_init() of 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function' ...
[17:27:12.487] multisession:
[17:27:12.487] - args: function (..., workers = 2L, envir = parent.frame())
[17:27:12.487] - tweaked: TRUE
[17:27:12.487] - call: plan(multisession, workers = 2L)
[17:27:12.488] getGlobalsAndPackages() ...
[17:27:12.488] Not searching for globals
[17:27:12.489] - globals: [0] <none>
[17:27:12.489] getGlobalsAndPackages() ... DONE
[17:27:12.489] [local output] makeClusterPSOCK() ...
[17:27:12.518] [local output] Workers: [n = 2] 'localhost', 'localhost'
[17:27:12.524] [local output] Base port: 32418
[17:27:12.524] [local output] Getting setup options for 2 cluster nodes ...
[17:27:12.524] [local output]  - Node 1 of 2 ...
[17:27:12.525] [local output] localMachine=TRUE => revtunnel=FALSE

[17:27:12.526] Testing if worker's PID can be inferred: '"D:/RCompile/recent/R/bin/x64/Rscript" -e "try(suppressWarnings(cat(Sys.getpid(),file=\"D:/temp/Rtmpw50hfy/worker.rank=1.parallelly.parent=136844.2168c2e7e6d67.pid\")), silent = TRUE)" -e "file.exists(\"D:/temp/Rtmpw50hfy/worker.rank=1.parallelly.parent=136844.2168c2e7e6d67.pid\")"'
[17:27:12.963] - Possible to infer worker's PID: TRUE
[17:27:12.964] [local output] Rscript port: 32418

[17:27:12.964] [local output]  - Node 2 of 2 ...
[17:27:12.965] [local output] localMachine=TRUE => revtunnel=FALSE

[17:27:12.966] [local output] Rscript port: 32418

[17:27:12.966] [local output] Getting setup options for 2 cluster nodes ... done
[17:27:12.966] [local output]  - Parallel setup requested for some PSOCK nodes
[17:27:12.967] [local output] Setting up PSOCK nodes in parallel
[17:27:12.967] List of 36
[17:27:12.967]  $ worker          : chr "localhost"
[17:27:12.967]   ..- attr(*, "localhost")= logi TRUE
[17:27:12.967]  $ master          : chr "localhost"
[17:27:12.967]  $ port            : int 32418
[17:27:12.967]  $ connectTimeout  : num 120
[17:27:12.967]  $ timeout         : num 120
[17:27:12.967]  $ rscript         : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\""
[17:27:12.967]  $ homogeneous     : logi TRUE
[17:27:12.967]  $ rscript_args    : chr "--default-packages=datasets,utils,grDevices,graphics,stats,methods -e \"#label=invalid-owner.R:136844:CRANWIN3:"| __truncated__
[17:27:12.967]  $ rscript_envs    : NULL
[17:27:12.967]  $ rscript_libs    : chr [1:2] "D:/temp/RtmpAVtqMV/RLIBS_30708245f64e7" "D:/RCompile/recent/R/library"
[17:27:12.967]  $ rscript_startup : NULL
[17:27:12.967]  $ rscript_sh      : chr "cmd"
[17:27:12.967]  $ default_packages: chr [1:6] "datasets" "utils" "grDevices" "graphics" ...
[17:27:12.967]  $ methods         : logi TRUE
[17:27:12.967]  $ socketOptions   : chr "no-delay"
[17:27:12.967]  $ useXDR          : logi FALSE
[17:27:12.967]  $ outfile         : chr "/dev/null"
[17:27:12.967]  $ renice          : int NA
[17:27:12.967]  $ rshcmd          : NULL
[17:27:12.967]  $ user            : chr(0) 
[17:27:12.967]  $ revtunnel       : logi FALSE
[17:27:12.967]  $ rshlogfile      : NULL
[17:27:12.967]  $ rshopts         : chr(0) 
[17:27:12.967]  $ rank            : int 1
[17:27:12.967]  $ manual          : logi FALSE
[17:27:12.967]  $ dryrun          : logi FALSE
[17:27:12.967]  $ quiet           : logi FALSE
[17:27:12.967]  $ setup_strategy  : chr "parallel"
[17:27:12.967]  $ local_cmd       : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "| __truncated__
[17:27:12.967]  $ pidfile         : chr "D:/temp/Rtmpw50hfy/worker.rank=1.parallelly.parent=136844.2168c2e7e6d67.pid"
[17:27:12.967]  $ rshcmd_label    : NULL
[17:27:12.967]  $ rsh_call        : NULL
[17:27:12.967]  $ cmd             : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "| __truncated__
[17:27:12.967]  $ localMachine    : logi TRUE
[17:27:12.967]  $ make_fcn        :function (worker = getOption2("parallelly.localhost.hostname", "localhost"), 
[17:27:12.967]     master = NULL, port, connectTimeout = getOption2("parallelly.makeNodePSOCK.connectTimeout", 
[17:27:12.967]         2 * 60), timeout = getOption2("parallelly.makeNodePSOCK.timeout", 
[17:27:12.967]         30 * 24 * 60 * 60), rscript = NULL, homogeneous = NULL, rscript_args = NULL, 
[17:27:12.967]     rscript_envs = NULL, rscript_libs = NULL, rscript_startup = NULL, rscript_sh = c("auto", 
[17:27:12.967]         "cmd", "sh"), default_packages = c("datasets", "utils", "grDevices", 
[17:27:12.967]         "graphics", "stats", if (methods) "methods"), methods = TRUE, socketOptions = getOption2("parallelly.makeNodePSOCK.socketOptions", 
[17:27:12.967]         "no-delay"), useXDR = getOption2("parallelly.makeNodePSOCK.useXDR", 
[17:27:12.967]         FALSE), outfile = "/dev/null", renice = NA_integer_, rshcmd = getOption2("parallelly.makeNodePSOCK.rshcmd", 
[17:27:12.967]         NULL), user = NULL, revtunnel = NA, rshlogfile = NULL, rshopts = getOption2("parallelly.makeNodePSOCK.rshopts", 
[17:27:12.967]         NULL), rank = 1L, manual = FALSE, dryrun = FALSE, quiet = FALSE, 
[17:27:12.967]     setup_strategy = getOption2("parallelly.makeNodePSOCK.setup_strategy", 
[17:27:12.967]         "parallel"), action = c("launch", "options"), verbose = FALSE)  
[17:27:12.967]  $ arguments       :List of 28
[17:27:12.967]   ..$ worker          : chr "localhost"
[17:27:12.967]   ..$ master          : NULL
[17:27:12.967]   ..$ port            : int 32418
[17:27:12.967]   ..$ connectTimeout  : num 120
[17:27:12.967]   ..$ timeout         : num 120
[17:27:12.967]   ..$ rscript         : NULL
[17:27:12.967]   ..$ homogeneous     : NULL
[17:27:12.967]   ..$ rscript_args    : NULL
[17:27:12.967]   ..$ rscript_envs    : NULL
[17:27:12.967]   ..$ rscript_libs    : chr [1:2] "D:/temp/RtmpAVtqMV/RLIBS_30708245f64e7" "D:/RCompile/recent/R/library"
[17:27:12.967]   ..$ rscript_startup : NULL
[17:27:12.967]   ..$ rscript_sh      : chr [1:3] "auto" "cmd" "sh"
[17:27:12.967]   ..$ default_packages: chr [1:6] "datasets" "utils" "grDevices" "graphics" ...
[17:27:12.967]   ..$ methods         : logi TRUE
[17:27:12.967]   ..$ socketOptions   : chr "no-delay"
[17:27:12.967]   ..$ useXDR          : logi FALSE
[17:27:12.967]   ..$ outfile         : chr "/dev/null"
[17:27:12.967]   ..$ renice          : int NA
[17:27:12.967]   ..$ rshcmd          : NULL
[17:27:12.967]   ..$ user            : NULL
[17:27:12.967]   ..$ revtunnel       : logi NA
[17:27:12.967]   ..$ rshlogfile      : NULL
[17:27:12.967]   ..$ rshopts         : NULL
[17:27:12.967]   ..$ rank            : int 1
[17:27:12.967]   ..$ manual          : logi FALSE
[17:27:12.967]   ..$ dryrun          : logi FALSE
[17:27:12.967]   ..$ quiet           : logi FALSE
[17:27:12.967]   ..$ setup_strategy  : chr "parallel"
[17:27:12.967]  - attr(*, "class")= chr [1:2] "makeNodePSOCKOptions" "makeNodeOptions"
[17:27:12.991] [local output] System call to launch all workers:
[17:27:12.991] [local output] "D:/RCompile/recent/R/bin/x64/Rscript" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "#label=invalid-owner.R:136844:CRANWIN3:CRAN" -e "try(suppressWarnings(cat(Sys.getpid(),file=\"D:/temp/Rtmpw50hfy/worker.rank=1.parallelly.parent=136844.2168c2e7e6d67.pid\")), silent = TRUE)" -e "options(socketOptions = \"no-delay\")" -e ".libPaths(c(\"D:/temp/RtmpAVtqMV/RLIBS_30708245f64e7\",\"D:/RCompile/recent/R/library\"))" -e "workRSOCK <- tryCatch(parallel:::.workRSOCK, error=function(e) parallel:::.slaveRSOCK); workRSOCK()" MASTER=localhost PORT=32418 OUT=/dev/null TIMEOUT=120 XDR=FALSE SETUPTIMEOUT=120 SETUPSTRATEGY=parallel
[17:27:12.991] [local output] Starting PSOCK main server
[17:27:12.997] [local output] Workers launched
[17:27:12.997] [local output] Waiting for workers to connect back
[17:27:12.998]  - [local output] 0 workers out of 2 ready
[17:27:13.179]  - [local output] 0 workers out of 2 ready
[17:27:13.180]  - [local output] 1 workers out of 2 ready
[17:27:13.180]  - [local output] 2 workers out of 2 ready
[17:27:13.180] [local output] Launching of workers completed
[17:27:13.181] [local output] Collecting session information from workers
[17:27:13.182] [local output]  - Worker #1 of 2
[17:27:13.182] [local output]  - Worker #2 of 2
[17:27:13.183] [local output] makeClusterPSOCK() ... done
[17:27:13.196] Packages needed by the future expression (n = 0): <none>
[17:27:13.196] Packages needed by future strategies (n = 0): <none>
[17:27:13.197] {
[17:27:13.197]     {
[17:27:13.197]         {
[17:27:13.197]             ...future.startTime <- base::Sys.time()
[17:27:13.197]             {
[17:27:13.197]                 {
[17:27:13.197]                   {
[17:27:13.197]                     {
[17:27:13.197]                       base::local({
[17:27:13.197]                         has_future <- base::requireNamespace("future", 
[17:27:13.197]                           quietly = TRUE)
[17:27:13.197]                         if (has_future) {
[17:27:13.197]                           ns <- base::getNamespace("future")
[17:27:13.197]                           version <- ns[[".package"]][["version"]]
[17:27:13.197]                           if (is.null(version)) 
[17:27:13.197]                             version <- utils::packageVersion("future")
[17:27:13.197]                         }
[17:27:13.197]                         else {
[17:27:13.197]                           version <- NULL
[17:27:13.197]                         }
[17:27:13.197]                         if (!has_future || version < "1.8.0") {
[17:27:13.197]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:13.197]                             "", base::R.version$version.string), 
[17:27:13.197]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:13.197]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:13.197]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:13.197]                               "release", "version")], collapse = " "), 
[17:27:13.197]                             hostname = base::Sys.info()[["nodename"]])
[17:27:13.197]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:13.197]                             info)
[17:27:13.197]                           info <- base::paste(info, collapse = "; ")
[17:27:13.197]                           if (!has_future) {
[17:27:13.197]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:13.197]                               info)
[17:27:13.197]                           }
[17:27:13.197]                           else {
[17:27:13.197]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:13.197]                               info, version)
[17:27:13.197]                           }
[17:27:13.197]                           base::stop(msg)
[17:27:13.197]                         }
[17:27:13.197]                       })
[17:27:13.197]                     }
[17:27:13.197]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:13.197]                     base::options(mc.cores = 1L)
[17:27:13.197]                   }
[17:27:13.197]                   ...future.strategy.old <- future::plan("list")
[17:27:13.197]                   options(future.plan = NULL)
[17:27:13.197]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.197]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:13.197]                 }
[17:27:13.197]                 ...future.workdir <- getwd()
[17:27:13.197]             }
[17:27:13.197]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:13.197]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:13.197]         }
[17:27:13.197]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:13.197]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:13.197]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:13.197]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:13.197]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:13.197]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:13.197]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:13.197]             base::names(...future.oldOptions))
[17:27:13.197]     }
[17:27:13.197]     if (FALSE) {
[17:27:13.197]     }
[17:27:13.197]     else {
[17:27:13.197]         if (TRUE) {
[17:27:13.197]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:13.197]                 open = "w")
[17:27:13.197]         }
[17:27:13.197]         else {
[17:27:13.197]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:13.197]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:13.197]         }
[17:27:13.197]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:13.197]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:13.197]             base::sink(type = "output", split = FALSE)
[17:27:13.197]             base::close(...future.stdout)
[17:27:13.197]         }, add = TRUE)
[17:27:13.197]     }
[17:27:13.197]     ...future.frame <- base::sys.nframe()
[17:27:13.197]     ...future.conditions <- base::list()
[17:27:13.197]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:13.197]     if (FALSE) {
[17:27:13.197]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:13.197]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:13.197]     }
[17:27:13.197]     ...future.result <- base::tryCatch({
[17:27:13.197]         base::withCallingHandlers({
[17:27:13.197]             ...future.value <- base::withVisible(base::local({
[17:27:13.197]                 ...future.makeSendCondition <- base::local({
[17:27:13.197]                   sendCondition <- NULL
[17:27:13.197]                   function(frame = 1L) {
[17:27:13.197]                     if (is.function(sendCondition)) 
[17:27:13.197]                       return(sendCondition)
[17:27:13.197]                     ns <- getNamespace("parallel")
[17:27:13.197]                     if (exists("sendData", mode = "function", 
[17:27:13.197]                       envir = ns)) {
[17:27:13.197]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:13.197]                         envir = ns)
[17:27:13.197]                       envir <- sys.frame(frame)
[17:27:13.197]                       master <- NULL
[17:27:13.197]                       while (!identical(envir, .GlobalEnv) && 
[17:27:13.197]                         !identical(envir, emptyenv())) {
[17:27:13.197]                         if (exists("master", mode = "list", envir = envir, 
[17:27:13.197]                           inherits = FALSE)) {
[17:27:13.197]                           master <- get("master", mode = "list", 
[17:27:13.197]                             envir = envir, inherits = FALSE)
[17:27:13.197]                           if (inherits(master, c("SOCKnode", 
[17:27:13.197]                             "SOCK0node"))) {
[17:27:13.197]                             sendCondition <<- function(cond) {
[17:27:13.197]                               data <- list(type = "VALUE", value = cond, 
[17:27:13.197]                                 success = TRUE)
[17:27:13.197]                               parallel_sendData(master, data)
[17:27:13.197]                             }
[17:27:13.197]                             return(sendCondition)
[17:27:13.197]                           }
[17:27:13.197]                         }
[17:27:13.197]                         frame <- frame + 1L
[17:27:13.197]                         envir <- sys.frame(frame)
[17:27:13.197]                       }
[17:27:13.197]                     }
[17:27:13.197]                     sendCondition <<- function(cond) NULL
[17:27:13.197]                   }
[17:27:13.197]                 })
[17:27:13.197]                 withCallingHandlers({
[17:27:13.197]                   NA
[17:27:13.197]                 }, immediateCondition = function(cond) {
[17:27:13.197]                   sendCondition <- ...future.makeSendCondition()
[17:27:13.197]                   sendCondition(cond)
[17:27:13.197]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.197]                   {
[17:27:13.197]                     inherits <- base::inherits
[17:27:13.197]                     invokeRestart <- base::invokeRestart
[17:27:13.197]                     is.null <- base::is.null
[17:27:13.197]                     muffled <- FALSE
[17:27:13.197]                     if (inherits(cond, "message")) {
[17:27:13.197]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:13.197]                       if (muffled) 
[17:27:13.197]                         invokeRestart("muffleMessage")
[17:27:13.197]                     }
[17:27:13.197]                     else if (inherits(cond, "warning")) {
[17:27:13.197]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:13.197]                       if (muffled) 
[17:27:13.197]                         invokeRestart("muffleWarning")
[17:27:13.197]                     }
[17:27:13.197]                     else if (inherits(cond, "condition")) {
[17:27:13.197]                       if (!is.null(pattern)) {
[17:27:13.197]                         computeRestarts <- base::computeRestarts
[17:27:13.197]                         grepl <- base::grepl
[17:27:13.197]                         restarts <- computeRestarts(cond)
[17:27:13.197]                         for (restart in restarts) {
[17:27:13.197]                           name <- restart$name
[17:27:13.197]                           if (is.null(name)) 
[17:27:13.197]                             next
[17:27:13.197]                           if (!grepl(pattern, name)) 
[17:27:13.197]                             next
[17:27:13.197]                           invokeRestart(restart)
[17:27:13.197]                           muffled <- TRUE
[17:27:13.197]                           break
[17:27:13.197]                         }
[17:27:13.197]                       }
[17:27:13.197]                     }
[17:27:13.197]                     invisible(muffled)
[17:27:13.197]                   }
[17:27:13.197]                   muffleCondition(cond)
[17:27:13.197]                 })
[17:27:13.197]             }))
[17:27:13.197]             future::FutureResult(value = ...future.value$value, 
[17:27:13.197]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.197]                   ...future.rng), globalenv = if (FALSE) 
[17:27:13.197]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:13.197]                     ...future.globalenv.names))
[17:27:13.197]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:13.197]         }, condition = base::local({
[17:27:13.197]             c <- base::c
[17:27:13.197]             inherits <- base::inherits
[17:27:13.197]             invokeRestart <- base::invokeRestart
[17:27:13.197]             length <- base::length
[17:27:13.197]             list <- base::list
[17:27:13.197]             seq.int <- base::seq.int
[17:27:13.197]             signalCondition <- base::signalCondition
[17:27:13.197]             sys.calls <- base::sys.calls
[17:27:13.197]             `[[` <- base::`[[`
[17:27:13.197]             `+` <- base::`+`
[17:27:13.197]             `<<-` <- base::`<<-`
[17:27:13.197]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:13.197]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:13.197]                   3L)]
[17:27:13.197]             }
[17:27:13.197]             function(cond) {
[17:27:13.197]                 is_error <- inherits(cond, "error")
[17:27:13.197]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:13.197]                   NULL)
[17:27:13.197]                 if (is_error) {
[17:27:13.197]                   sessionInformation <- function() {
[17:27:13.197]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:13.197]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:13.197]                       search = base::search(), system = base::Sys.info())
[17:27:13.197]                   }
[17:27:13.197]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.197]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:13.197]                     cond$call), session = sessionInformation(), 
[17:27:13.197]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:13.197]                   signalCondition(cond)
[17:27:13.197]                 }
[17:27:13.197]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:13.197]                 "immediateCondition"))) {
[17:27:13.197]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:13.197]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.197]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:13.197]                   if (TRUE && !signal) {
[17:27:13.197]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.197]                     {
[17:27:13.197]                       inherits <- base::inherits
[17:27:13.197]                       invokeRestart <- base::invokeRestart
[17:27:13.197]                       is.null <- base::is.null
[17:27:13.197]                       muffled <- FALSE
[17:27:13.197]                       if (inherits(cond, "message")) {
[17:27:13.197]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.197]                         if (muffled) 
[17:27:13.197]                           invokeRestart("muffleMessage")
[17:27:13.197]                       }
[17:27:13.197]                       else if (inherits(cond, "warning")) {
[17:27:13.197]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.197]                         if (muffled) 
[17:27:13.197]                           invokeRestart("muffleWarning")
[17:27:13.197]                       }
[17:27:13.197]                       else if (inherits(cond, "condition")) {
[17:27:13.197]                         if (!is.null(pattern)) {
[17:27:13.197]                           computeRestarts <- base::computeRestarts
[17:27:13.197]                           grepl <- base::grepl
[17:27:13.197]                           restarts <- computeRestarts(cond)
[17:27:13.197]                           for (restart in restarts) {
[17:27:13.197]                             name <- restart$name
[17:27:13.197]                             if (is.null(name)) 
[17:27:13.197]                               next
[17:27:13.197]                             if (!grepl(pattern, name)) 
[17:27:13.197]                               next
[17:27:13.197]                             invokeRestart(restart)
[17:27:13.197]                             muffled <- TRUE
[17:27:13.197]                             break
[17:27:13.197]                           }
[17:27:13.197]                         }
[17:27:13.197]                       }
[17:27:13.197]                       invisible(muffled)
[17:27:13.197]                     }
[17:27:13.197]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.197]                   }
[17:27:13.197]                 }
[17:27:13.197]                 else {
[17:27:13.197]                   if (TRUE) {
[17:27:13.197]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.197]                     {
[17:27:13.197]                       inherits <- base::inherits
[17:27:13.197]                       invokeRestart <- base::invokeRestart
[17:27:13.197]                       is.null <- base::is.null
[17:27:13.197]                       muffled <- FALSE
[17:27:13.197]                       if (inherits(cond, "message")) {
[17:27:13.197]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.197]                         if (muffled) 
[17:27:13.197]                           invokeRestart("muffleMessage")
[17:27:13.197]                       }
[17:27:13.197]                       else if (inherits(cond, "warning")) {
[17:27:13.197]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.197]                         if (muffled) 
[17:27:13.197]                           invokeRestart("muffleWarning")
[17:27:13.197]                       }
[17:27:13.197]                       else if (inherits(cond, "condition")) {
[17:27:13.197]                         if (!is.null(pattern)) {
[17:27:13.197]                           computeRestarts <- base::computeRestarts
[17:27:13.197]                           grepl <- base::grepl
[17:27:13.197]                           restarts <- computeRestarts(cond)
[17:27:13.197]                           for (restart in restarts) {
[17:27:13.197]                             name <- restart$name
[17:27:13.197]                             if (is.null(name)) 
[17:27:13.197]                               next
[17:27:13.197]                             if (!grepl(pattern, name)) 
[17:27:13.197]                               next
[17:27:13.197]                             invokeRestart(restart)
[17:27:13.197]                             muffled <- TRUE
[17:27:13.197]                             break
[17:27:13.197]                           }
[17:27:13.197]                         }
[17:27:13.197]                       }
[17:27:13.197]                       invisible(muffled)
[17:27:13.197]                     }
[17:27:13.197]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.197]                   }
[17:27:13.197]                 }
[17:27:13.197]             }
[17:27:13.197]         }))
[17:27:13.197]     }, error = function(ex) {
[17:27:13.197]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:13.197]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.197]                 ...future.rng), started = ...future.startTime, 
[17:27:13.197]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:13.197]             version = "1.8"), class = "FutureResult")
[17:27:13.197]     }, finally = {
[17:27:13.197]         if (!identical(...future.workdir, getwd())) 
[17:27:13.197]             setwd(...future.workdir)
[17:27:13.197]         {
[17:27:13.197]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:13.197]                 ...future.oldOptions$nwarnings <- NULL
[17:27:13.197]             }
[17:27:13.197]             base::options(...future.oldOptions)
[17:27:13.197]             if (.Platform$OS.type == "windows") {
[17:27:13.197]                 old_names <- names(...future.oldEnvVars)
[17:27:13.197]                 envs <- base::Sys.getenv()
[17:27:13.197]                 names <- names(envs)
[17:27:13.197]                 common <- intersect(names, old_names)
[17:27:13.197]                 added <- setdiff(names, old_names)
[17:27:13.197]                 removed <- setdiff(old_names, names)
[17:27:13.197]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:13.197]                   envs[common]]
[17:27:13.197]                 NAMES <- toupper(changed)
[17:27:13.197]                 args <- list()
[17:27:13.197]                 for (kk in seq_along(NAMES)) {
[17:27:13.197]                   name <- changed[[kk]]
[17:27:13.197]                   NAME <- NAMES[[kk]]
[17:27:13.197]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.197]                     next
[17:27:13.197]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.197]                 }
[17:27:13.197]                 NAMES <- toupper(added)
[17:27:13.197]                 for (kk in seq_along(NAMES)) {
[17:27:13.197]                   name <- added[[kk]]
[17:27:13.197]                   NAME <- NAMES[[kk]]
[17:27:13.197]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.197]                     next
[17:27:13.197]                   args[[name]] <- ""
[17:27:13.197]                 }
[17:27:13.197]                 NAMES <- toupper(removed)
[17:27:13.197]                 for (kk in seq_along(NAMES)) {
[17:27:13.197]                   name <- removed[[kk]]
[17:27:13.197]                   NAME <- NAMES[[kk]]
[17:27:13.197]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.197]                     next
[17:27:13.197]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.197]                 }
[17:27:13.197]                 if (length(args) > 0) 
[17:27:13.197]                   base::do.call(base::Sys.setenv, args = args)
[17:27:13.197]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:13.197]             }
[17:27:13.197]             else {
[17:27:13.197]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:13.197]             }
[17:27:13.197]             {
[17:27:13.197]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:13.197]                   0L) {
[17:27:13.197]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:13.197]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:13.197]                   base::options(opts)
[17:27:13.197]                 }
[17:27:13.197]                 {
[17:27:13.197]                   {
[17:27:13.197]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:13.197]                     NULL
[17:27:13.197]                   }
[17:27:13.197]                   options(future.plan = NULL)
[17:27:13.197]                   if (is.na(NA_character_)) 
[17:27:13.197]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.197]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:13.197]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:13.197]                     .init = FALSE)
[17:27:13.197]                 }
[17:27:13.197]             }
[17:27:13.197]         }
[17:27:13.197]     })
[17:27:13.197]     if (TRUE) {
[17:27:13.197]         base::sink(type = "output", split = FALSE)
[17:27:13.197]         if (TRUE) {
[17:27:13.197]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:13.197]         }
[17:27:13.197]         else {
[17:27:13.197]             ...future.result["stdout"] <- base::list(NULL)
[17:27:13.197]         }
[17:27:13.197]         base::close(...future.stdout)
[17:27:13.197]         ...future.stdout <- NULL
[17:27:13.197]     }
[17:27:13.197]     ...future.result$conditions <- ...future.conditions
[17:27:13.197]     ...future.result$finished <- base::Sys.time()
[17:27:13.197]     ...future.result
[17:27:13.197] }
[17:27:13.286] MultisessionFuture started
[17:27:13.287] result() for ClusterFuture ...
[17:27:13.287] receiveMessageFromWorker() for ClusterFuture ...
[17:27:13.287] - Validating connection of MultisessionFuture
[17:27:13.340] - received message: FutureResult
[17:27:13.340] - Received FutureResult
[17:27:13.344] - Erased future from FutureRegistry
[17:27:13.345] result() for ClusterFuture ...
[17:27:13.345] - result already collected: FutureResult
[17:27:13.345] result() for ClusterFuture ... done
[17:27:13.345] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:13.345] result() for ClusterFuture ... done
[17:27:13.346] result() for ClusterFuture ...
[17:27:13.346] - result already collected: FutureResult
[17:27:13.346] result() for ClusterFuture ... done
[17:27:13.346] plan(): plan_init() of 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function' ... DONE
[17:27:13.347] 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: 4477bd64-8237-d939-32d3-b7829e37759b
> 
> message("- Asserting ownership ...")
- Asserting ownership ...
> 
> message("Creating future #1:")
Creating future #1:
> f1 <- future({ future:::session_uuid(attributes = TRUE) })
[17:27:13.347] getGlobalsAndPackages() ...
[17:27:13.348] Searching for globals...
[17:27:13.356] - globals found: [2] '{', ':::'
[17:27:13.357] Searching for globals ... DONE
[17:27:13.357] Resolving globals: FALSE
[17:27:13.358] 
[17:27:13.358] 
[17:27:13.358] getGlobalsAndPackages() ... DONE
[17:27:13.359] run() for 'Future' ...
[17:27:13.359] - state: 'created'
[17:27:13.359] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:13.372] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:13.372] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:13.372]   - Field: 'node'
[17:27:13.373]   - Field: 'label'
[17:27:13.373]   - Field: 'local'
[17:27:13.373]   - Field: 'owner'
[17:27:13.373]   - Field: 'envir'
[17:27:13.373]   - Field: 'workers'
[17:27:13.374]   - Field: 'packages'
[17:27:13.374]   - Field: 'gc'
[17:27:13.374]   - Field: 'conditions'
[17:27:13.374]   - Field: 'persistent'
[17:27:13.375]   - Field: 'expr'
[17:27:13.375]   - Field: 'uuid'
[17:27:13.375]   - Field: 'seed'
[17:27:13.375]   - Field: 'version'
[17:27:13.375]   - Field: 'result'
[17:27:13.376]   - Field: 'asynchronous'
[17:27:13.376]   - Field: 'calls'
[17:27:13.376]   - Field: 'globals'
[17:27:13.376]   - Field: 'stdout'
[17:27:13.376]   - Field: 'earlySignal'
[17:27:13.377]   - Field: 'lazy'
[17:27:13.377]   - Field: 'state'
[17:27:13.377] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:13.377] - Launch lazy future ...
[17:27:13.378] Packages needed by the future expression (n = 0): <none>
[17:27:13.378] Packages needed by future strategies (n = 0): <none>
[17:27:13.379] {
[17:27:13.379]     {
[17:27:13.379]         {
[17:27:13.379]             ...future.startTime <- base::Sys.time()
[17:27:13.379]             {
[17:27:13.379]                 {
[17:27:13.379]                   {
[17:27:13.379]                     {
[17:27:13.379]                       base::local({
[17:27:13.379]                         has_future <- base::requireNamespace("future", 
[17:27:13.379]                           quietly = TRUE)
[17:27:13.379]                         if (has_future) {
[17:27:13.379]                           ns <- base::getNamespace("future")
[17:27:13.379]                           version <- ns[[".package"]][["version"]]
[17:27:13.379]                           if (is.null(version)) 
[17:27:13.379]                             version <- utils::packageVersion("future")
[17:27:13.379]                         }
[17:27:13.379]                         else {
[17:27:13.379]                           version <- NULL
[17:27:13.379]                         }
[17:27:13.379]                         if (!has_future || version < "1.8.0") {
[17:27:13.379]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:13.379]                             "", base::R.version$version.string), 
[17:27:13.379]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:13.379]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:13.379]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:13.379]                               "release", "version")], collapse = " "), 
[17:27:13.379]                             hostname = base::Sys.info()[["nodename"]])
[17:27:13.379]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:13.379]                             info)
[17:27:13.379]                           info <- base::paste(info, collapse = "; ")
[17:27:13.379]                           if (!has_future) {
[17:27:13.379]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:13.379]                               info)
[17:27:13.379]                           }
[17:27:13.379]                           else {
[17:27:13.379]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:13.379]                               info, version)
[17:27:13.379]                           }
[17:27:13.379]                           base::stop(msg)
[17:27:13.379]                         }
[17:27:13.379]                       })
[17:27:13.379]                     }
[17:27:13.379]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:13.379]                     base::options(mc.cores = 1L)
[17:27:13.379]                   }
[17:27:13.379]                   ...future.strategy.old <- future::plan("list")
[17:27:13.379]                   options(future.plan = NULL)
[17:27:13.379]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.379]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:13.379]                 }
[17:27:13.379]                 ...future.workdir <- getwd()
[17:27:13.379]             }
[17:27:13.379]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:13.379]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:13.379]         }
[17:27:13.379]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:13.379]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:13.379]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:13.379]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:13.379]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:13.379]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:13.379]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:13.379]             base::names(...future.oldOptions))
[17:27:13.379]     }
[17:27:13.379]     if (FALSE) {
[17:27:13.379]     }
[17:27:13.379]     else {
[17:27:13.379]         if (TRUE) {
[17:27:13.379]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:13.379]                 open = "w")
[17:27:13.379]         }
[17:27:13.379]         else {
[17:27:13.379]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:13.379]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:13.379]         }
[17:27:13.379]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:13.379]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:13.379]             base::sink(type = "output", split = FALSE)
[17:27:13.379]             base::close(...future.stdout)
[17:27:13.379]         }, add = TRUE)
[17:27:13.379]     }
[17:27:13.379]     ...future.frame <- base::sys.nframe()
[17:27:13.379]     ...future.conditions <- base::list()
[17:27:13.379]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:13.379]     if (FALSE) {
[17:27:13.379]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:13.379]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:13.379]     }
[17:27:13.379]     ...future.result <- base::tryCatch({
[17:27:13.379]         base::withCallingHandlers({
[17:27:13.379]             ...future.value <- base::withVisible(base::local({
[17:27:13.379]                 ...future.makeSendCondition <- base::local({
[17:27:13.379]                   sendCondition <- NULL
[17:27:13.379]                   function(frame = 1L) {
[17:27:13.379]                     if (is.function(sendCondition)) 
[17:27:13.379]                       return(sendCondition)
[17:27:13.379]                     ns <- getNamespace("parallel")
[17:27:13.379]                     if (exists("sendData", mode = "function", 
[17:27:13.379]                       envir = ns)) {
[17:27:13.379]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:13.379]                         envir = ns)
[17:27:13.379]                       envir <- sys.frame(frame)
[17:27:13.379]                       master <- NULL
[17:27:13.379]                       while (!identical(envir, .GlobalEnv) && 
[17:27:13.379]                         !identical(envir, emptyenv())) {
[17:27:13.379]                         if (exists("master", mode = "list", envir = envir, 
[17:27:13.379]                           inherits = FALSE)) {
[17:27:13.379]                           master <- get("master", mode = "list", 
[17:27:13.379]                             envir = envir, inherits = FALSE)
[17:27:13.379]                           if (inherits(master, c("SOCKnode", 
[17:27:13.379]                             "SOCK0node"))) {
[17:27:13.379]                             sendCondition <<- function(cond) {
[17:27:13.379]                               data <- list(type = "VALUE", value = cond, 
[17:27:13.379]                                 success = TRUE)
[17:27:13.379]                               parallel_sendData(master, data)
[17:27:13.379]                             }
[17:27:13.379]                             return(sendCondition)
[17:27:13.379]                           }
[17:27:13.379]                         }
[17:27:13.379]                         frame <- frame + 1L
[17:27:13.379]                         envir <- sys.frame(frame)
[17:27:13.379]                       }
[17:27:13.379]                     }
[17:27:13.379]                     sendCondition <<- function(cond) NULL
[17:27:13.379]                   }
[17:27:13.379]                 })
[17:27:13.379]                 withCallingHandlers({
[17:27:13.379]                   {
[17:27:13.379]                     future:::session_uuid(attributes = TRUE)
[17:27:13.379]                   }
[17:27:13.379]                 }, immediateCondition = function(cond) {
[17:27:13.379]                   sendCondition <- ...future.makeSendCondition()
[17:27:13.379]                   sendCondition(cond)
[17:27:13.379]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.379]                   {
[17:27:13.379]                     inherits <- base::inherits
[17:27:13.379]                     invokeRestart <- base::invokeRestart
[17:27:13.379]                     is.null <- base::is.null
[17:27:13.379]                     muffled <- FALSE
[17:27:13.379]                     if (inherits(cond, "message")) {
[17:27:13.379]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:13.379]                       if (muffled) 
[17:27:13.379]                         invokeRestart("muffleMessage")
[17:27:13.379]                     }
[17:27:13.379]                     else if (inherits(cond, "warning")) {
[17:27:13.379]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:13.379]                       if (muffled) 
[17:27:13.379]                         invokeRestart("muffleWarning")
[17:27:13.379]                     }
[17:27:13.379]                     else if (inherits(cond, "condition")) {
[17:27:13.379]                       if (!is.null(pattern)) {
[17:27:13.379]                         computeRestarts <- base::computeRestarts
[17:27:13.379]                         grepl <- base::grepl
[17:27:13.379]                         restarts <- computeRestarts(cond)
[17:27:13.379]                         for (restart in restarts) {
[17:27:13.379]                           name <- restart$name
[17:27:13.379]                           if (is.null(name)) 
[17:27:13.379]                             next
[17:27:13.379]                           if (!grepl(pattern, name)) 
[17:27:13.379]                             next
[17:27:13.379]                           invokeRestart(restart)
[17:27:13.379]                           muffled <- TRUE
[17:27:13.379]                           break
[17:27:13.379]                         }
[17:27:13.379]                       }
[17:27:13.379]                     }
[17:27:13.379]                     invisible(muffled)
[17:27:13.379]                   }
[17:27:13.379]                   muffleCondition(cond)
[17:27:13.379]                 })
[17:27:13.379]             }))
[17:27:13.379]             future::FutureResult(value = ...future.value$value, 
[17:27:13.379]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.379]                   ...future.rng), globalenv = if (FALSE) 
[17:27:13.379]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:13.379]                     ...future.globalenv.names))
[17:27:13.379]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:13.379]         }, condition = base::local({
[17:27:13.379]             c <- base::c
[17:27:13.379]             inherits <- base::inherits
[17:27:13.379]             invokeRestart <- base::invokeRestart
[17:27:13.379]             length <- base::length
[17:27:13.379]             list <- base::list
[17:27:13.379]             seq.int <- base::seq.int
[17:27:13.379]             signalCondition <- base::signalCondition
[17:27:13.379]             sys.calls <- base::sys.calls
[17:27:13.379]             `[[` <- base::`[[`
[17:27:13.379]             `+` <- base::`+`
[17:27:13.379]             `<<-` <- base::`<<-`
[17:27:13.379]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:13.379]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:13.379]                   3L)]
[17:27:13.379]             }
[17:27:13.379]             function(cond) {
[17:27:13.379]                 is_error <- inherits(cond, "error")
[17:27:13.379]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:13.379]                   NULL)
[17:27:13.379]                 if (is_error) {
[17:27:13.379]                   sessionInformation <- function() {
[17:27:13.379]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:13.379]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:13.379]                       search = base::search(), system = base::Sys.info())
[17:27:13.379]                   }
[17:27:13.379]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.379]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:13.379]                     cond$call), session = sessionInformation(), 
[17:27:13.379]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:13.379]                   signalCondition(cond)
[17:27:13.379]                 }
[17:27:13.379]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:13.379]                 "immediateCondition"))) {
[17:27:13.379]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:13.379]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.379]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:13.379]                   if (TRUE && !signal) {
[17:27:13.379]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.379]                     {
[17:27:13.379]                       inherits <- base::inherits
[17:27:13.379]                       invokeRestart <- base::invokeRestart
[17:27:13.379]                       is.null <- base::is.null
[17:27:13.379]                       muffled <- FALSE
[17:27:13.379]                       if (inherits(cond, "message")) {
[17:27:13.379]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.379]                         if (muffled) 
[17:27:13.379]                           invokeRestart("muffleMessage")
[17:27:13.379]                       }
[17:27:13.379]                       else if (inherits(cond, "warning")) {
[17:27:13.379]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.379]                         if (muffled) 
[17:27:13.379]                           invokeRestart("muffleWarning")
[17:27:13.379]                       }
[17:27:13.379]                       else if (inherits(cond, "condition")) {
[17:27:13.379]                         if (!is.null(pattern)) {
[17:27:13.379]                           computeRestarts <- base::computeRestarts
[17:27:13.379]                           grepl <- base::grepl
[17:27:13.379]                           restarts <- computeRestarts(cond)
[17:27:13.379]                           for (restart in restarts) {
[17:27:13.379]                             name <- restart$name
[17:27:13.379]                             if (is.null(name)) 
[17:27:13.379]                               next
[17:27:13.379]                             if (!grepl(pattern, name)) 
[17:27:13.379]                               next
[17:27:13.379]                             invokeRestart(restart)
[17:27:13.379]                             muffled <- TRUE
[17:27:13.379]                             break
[17:27:13.379]                           }
[17:27:13.379]                         }
[17:27:13.379]                       }
[17:27:13.379]                       invisible(muffled)
[17:27:13.379]                     }
[17:27:13.379]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.379]                   }
[17:27:13.379]                 }
[17:27:13.379]                 else {
[17:27:13.379]                   if (TRUE) {
[17:27:13.379]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.379]                     {
[17:27:13.379]                       inherits <- base::inherits
[17:27:13.379]                       invokeRestart <- base::invokeRestart
[17:27:13.379]                       is.null <- base::is.null
[17:27:13.379]                       muffled <- FALSE
[17:27:13.379]                       if (inherits(cond, "message")) {
[17:27:13.379]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.379]                         if (muffled) 
[17:27:13.379]                           invokeRestart("muffleMessage")
[17:27:13.379]                       }
[17:27:13.379]                       else if (inherits(cond, "warning")) {
[17:27:13.379]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.379]                         if (muffled) 
[17:27:13.379]                           invokeRestart("muffleWarning")
[17:27:13.379]                       }
[17:27:13.379]                       else if (inherits(cond, "condition")) {
[17:27:13.379]                         if (!is.null(pattern)) {
[17:27:13.379]                           computeRestarts <- base::computeRestarts
[17:27:13.379]                           grepl <- base::grepl
[17:27:13.379]                           restarts <- computeRestarts(cond)
[17:27:13.379]                           for (restart in restarts) {
[17:27:13.379]                             name <- restart$name
[17:27:13.379]                             if (is.null(name)) 
[17:27:13.379]                               next
[17:27:13.379]                             if (!grepl(pattern, name)) 
[17:27:13.379]                               next
[17:27:13.379]                             invokeRestart(restart)
[17:27:13.379]                             muffled <- TRUE
[17:27:13.379]                             break
[17:27:13.379]                           }
[17:27:13.379]                         }
[17:27:13.379]                       }
[17:27:13.379]                       invisible(muffled)
[17:27:13.379]                     }
[17:27:13.379]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.379]                   }
[17:27:13.379]                 }
[17:27:13.379]             }
[17:27:13.379]         }))
[17:27:13.379]     }, error = function(ex) {
[17:27:13.379]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:13.379]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.379]                 ...future.rng), started = ...future.startTime, 
[17:27:13.379]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:13.379]             version = "1.8"), class = "FutureResult")
[17:27:13.379]     }, finally = {
[17:27:13.379]         if (!identical(...future.workdir, getwd())) 
[17:27:13.379]             setwd(...future.workdir)
[17:27:13.379]         {
[17:27:13.379]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:13.379]                 ...future.oldOptions$nwarnings <- NULL
[17:27:13.379]             }
[17:27:13.379]             base::options(...future.oldOptions)
[17:27:13.379]             if (.Platform$OS.type == "windows") {
[17:27:13.379]                 old_names <- names(...future.oldEnvVars)
[17:27:13.379]                 envs <- base::Sys.getenv()
[17:27:13.379]                 names <- names(envs)
[17:27:13.379]                 common <- intersect(names, old_names)
[17:27:13.379]                 added <- setdiff(names, old_names)
[17:27:13.379]                 removed <- setdiff(old_names, names)
[17:27:13.379]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:13.379]                   envs[common]]
[17:27:13.379]                 NAMES <- toupper(changed)
[17:27:13.379]                 args <- list()
[17:27:13.379]                 for (kk in seq_along(NAMES)) {
[17:27:13.379]                   name <- changed[[kk]]
[17:27:13.379]                   NAME <- NAMES[[kk]]
[17:27:13.379]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.379]                     next
[17:27:13.379]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.379]                 }
[17:27:13.379]                 NAMES <- toupper(added)
[17:27:13.379]                 for (kk in seq_along(NAMES)) {
[17:27:13.379]                   name <- added[[kk]]
[17:27:13.379]                   NAME <- NAMES[[kk]]
[17:27:13.379]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.379]                     next
[17:27:13.379]                   args[[name]] <- ""
[17:27:13.379]                 }
[17:27:13.379]                 NAMES <- toupper(removed)
[17:27:13.379]                 for (kk in seq_along(NAMES)) {
[17:27:13.379]                   name <- removed[[kk]]
[17:27:13.379]                   NAME <- NAMES[[kk]]
[17:27:13.379]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.379]                     next
[17:27:13.379]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.379]                 }
[17:27:13.379]                 if (length(args) > 0) 
[17:27:13.379]                   base::do.call(base::Sys.setenv, args = args)
[17:27:13.379]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:13.379]             }
[17:27:13.379]             else {
[17:27:13.379]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:13.379]             }
[17:27:13.379]             {
[17:27:13.379]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:13.379]                   0L) {
[17:27:13.379]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:13.379]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:13.379]                   base::options(opts)
[17:27:13.379]                 }
[17:27:13.379]                 {
[17:27:13.379]                   {
[17:27:13.379]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:13.379]                     NULL
[17:27:13.379]                   }
[17:27:13.379]                   options(future.plan = NULL)
[17:27:13.379]                   if (is.na(NA_character_)) 
[17:27:13.379]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.379]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:13.379]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:13.379]                     .init = FALSE)
[17:27:13.379]                 }
[17:27:13.379]             }
[17:27:13.379]         }
[17:27:13.379]     })
[17:27:13.379]     if (TRUE) {
[17:27:13.379]         base::sink(type = "output", split = FALSE)
[17:27:13.379]         if (TRUE) {
[17:27:13.379]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:13.379]         }
[17:27:13.379]         else {
[17:27:13.379]             ...future.result["stdout"] <- base::list(NULL)
[17:27:13.379]         }
[17:27:13.379]         base::close(...future.stdout)
[17:27:13.379]         ...future.stdout <- NULL
[17:27:13.379]     }
[17:27:13.379]     ...future.result$conditions <- ...future.conditions
[17:27:13.379]     ...future.result$finished <- base::Sys.time()
[17:27:13.379]     ...future.result
[17:27:13.379] }
[17:27:13.384] MultisessionFuture started
[17:27:13.385] - Launch lazy future ... done
[17:27:13.385] run() for 'MultisessionFuture' ... done
> stopifnot(inherits(f1, "MultisessionFuture"))
> cat(sprintf("Future #1 session: %d\n", f1$node))
Future #1 session: 1
> v1 <- value(f1)
[17:27:13.385] result() for ClusterFuture ...
[17:27:13.385] receiveMessageFromWorker() for ClusterFuture ...
[17:27:13.386] - Validating connection of MultisessionFuture
[17:27:13.400] - received message: FutureResult
[17:27:13.401] - Received FutureResult
[17:27:13.401] - Erased future from FutureRegistry
[17:27:13.401] result() for ClusterFuture ...
[17:27:13.401] - result already collected: FutureResult
[17:27:13.401] result() for ClusterFuture ... done
[17:27:13.402] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:13.402] result() for ClusterFuture ... done
[17:27:13.402] result() for ClusterFuture ...
[17:27:13.402] - result already collected: FutureResult
[17:27:13.402] result() for ClusterFuture ... done
> cat(sprintf("Future #1 R process: %s\n", v1))
Future #1 R process: ac79e6a3-8350-2d2a-591e-3c62684565a9
> stopifnot(v1 != session_uuid)
> 
> message("Creating future #2:")
Creating future #2:
> f2 <- future({ future:::session_uuid(attributes = TRUE) })
[17:27:13.403] getGlobalsAndPackages() ...
[17:27:13.403] Searching for globals...
[17:27:13.404] - globals found: [2] '{', ':::'
[17:27:13.404] Searching for globals ... DONE
[17:27:13.405] Resolving globals: FALSE
[17:27:13.405] 
[17:27:13.405] 
[17:27:13.405] getGlobalsAndPackages() ... DONE
[17:27:13.406] run() for 'Future' ...
[17:27:13.406] - state: 'created'
[17:27:13.406] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:13.418] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:13.418] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:13.419]   - Field: 'node'
[17:27:13.419]   - Field: 'label'
[17:27:13.419]   - Field: 'local'
[17:27:13.419]   - Field: 'owner'
[17:27:13.419]   - Field: 'envir'
[17:27:13.420]   - Field: 'workers'
[17:27:13.420]   - Field: 'packages'
[17:27:13.420]   - Field: 'gc'
[17:27:13.420]   - Field: 'conditions'
[17:27:13.420]   - Field: 'persistent'
[17:27:13.420]   - Field: 'expr'
[17:27:13.421]   - Field: 'uuid'
[17:27:13.421]   - Field: 'seed'
[17:27:13.421]   - Field: 'version'
[17:27:13.421]   - Field: 'result'
[17:27:13.421]   - Field: 'asynchronous'
[17:27:13.422]   - Field: 'calls'
[17:27:13.422]   - Field: 'globals'
[17:27:13.422]   - Field: 'stdout'
[17:27:13.422]   - Field: 'earlySignal'
[17:27:13.422]   - Field: 'lazy'
[17:27:13.423]   - Field: 'state'
[17:27:13.423] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:13.423] - Launch lazy future ...
[17:27:13.423] Packages needed by the future expression (n = 0): <none>
[17:27:13.424] Packages needed by future strategies (n = 0): <none>
[17:27:13.424] {
[17:27:13.424]     {
[17:27:13.424]         {
[17:27:13.424]             ...future.startTime <- base::Sys.time()
[17:27:13.424]             {
[17:27:13.424]                 {
[17:27:13.424]                   {
[17:27:13.424]                     {
[17:27:13.424]                       base::local({
[17:27:13.424]                         has_future <- base::requireNamespace("future", 
[17:27:13.424]                           quietly = TRUE)
[17:27:13.424]                         if (has_future) {
[17:27:13.424]                           ns <- base::getNamespace("future")
[17:27:13.424]                           version <- ns[[".package"]][["version"]]
[17:27:13.424]                           if (is.null(version)) 
[17:27:13.424]                             version <- utils::packageVersion("future")
[17:27:13.424]                         }
[17:27:13.424]                         else {
[17:27:13.424]                           version <- NULL
[17:27:13.424]                         }
[17:27:13.424]                         if (!has_future || version < "1.8.0") {
[17:27:13.424]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:13.424]                             "", base::R.version$version.string), 
[17:27:13.424]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:13.424]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:13.424]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:13.424]                               "release", "version")], collapse = " "), 
[17:27:13.424]                             hostname = base::Sys.info()[["nodename"]])
[17:27:13.424]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:13.424]                             info)
[17:27:13.424]                           info <- base::paste(info, collapse = "; ")
[17:27:13.424]                           if (!has_future) {
[17:27:13.424]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:13.424]                               info)
[17:27:13.424]                           }
[17:27:13.424]                           else {
[17:27:13.424]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:13.424]                               info, version)
[17:27:13.424]                           }
[17:27:13.424]                           base::stop(msg)
[17:27:13.424]                         }
[17:27:13.424]                       })
[17:27:13.424]                     }
[17:27:13.424]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:13.424]                     base::options(mc.cores = 1L)
[17:27:13.424]                   }
[17:27:13.424]                   ...future.strategy.old <- future::plan("list")
[17:27:13.424]                   options(future.plan = NULL)
[17:27:13.424]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.424]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:13.424]                 }
[17:27:13.424]                 ...future.workdir <- getwd()
[17:27:13.424]             }
[17:27:13.424]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:13.424]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:13.424]         }
[17:27:13.424]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:13.424]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:13.424]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:13.424]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:13.424]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:13.424]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:13.424]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:13.424]             base::names(...future.oldOptions))
[17:27:13.424]     }
[17:27:13.424]     if (FALSE) {
[17:27:13.424]     }
[17:27:13.424]     else {
[17:27:13.424]         if (TRUE) {
[17:27:13.424]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:13.424]                 open = "w")
[17:27:13.424]         }
[17:27:13.424]         else {
[17:27:13.424]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:13.424]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:13.424]         }
[17:27:13.424]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:13.424]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:13.424]             base::sink(type = "output", split = FALSE)
[17:27:13.424]             base::close(...future.stdout)
[17:27:13.424]         }, add = TRUE)
[17:27:13.424]     }
[17:27:13.424]     ...future.frame <- base::sys.nframe()
[17:27:13.424]     ...future.conditions <- base::list()
[17:27:13.424]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:13.424]     if (FALSE) {
[17:27:13.424]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:13.424]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:13.424]     }
[17:27:13.424]     ...future.result <- base::tryCatch({
[17:27:13.424]         base::withCallingHandlers({
[17:27:13.424]             ...future.value <- base::withVisible(base::local({
[17:27:13.424]                 ...future.makeSendCondition <- base::local({
[17:27:13.424]                   sendCondition <- NULL
[17:27:13.424]                   function(frame = 1L) {
[17:27:13.424]                     if (is.function(sendCondition)) 
[17:27:13.424]                       return(sendCondition)
[17:27:13.424]                     ns <- getNamespace("parallel")
[17:27:13.424]                     if (exists("sendData", mode = "function", 
[17:27:13.424]                       envir = ns)) {
[17:27:13.424]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:13.424]                         envir = ns)
[17:27:13.424]                       envir <- sys.frame(frame)
[17:27:13.424]                       master <- NULL
[17:27:13.424]                       while (!identical(envir, .GlobalEnv) && 
[17:27:13.424]                         !identical(envir, emptyenv())) {
[17:27:13.424]                         if (exists("master", mode = "list", envir = envir, 
[17:27:13.424]                           inherits = FALSE)) {
[17:27:13.424]                           master <- get("master", mode = "list", 
[17:27:13.424]                             envir = envir, inherits = FALSE)
[17:27:13.424]                           if (inherits(master, c("SOCKnode", 
[17:27:13.424]                             "SOCK0node"))) {
[17:27:13.424]                             sendCondition <<- function(cond) {
[17:27:13.424]                               data <- list(type = "VALUE", value = cond, 
[17:27:13.424]                                 success = TRUE)
[17:27:13.424]                               parallel_sendData(master, data)
[17:27:13.424]                             }
[17:27:13.424]                             return(sendCondition)
[17:27:13.424]                           }
[17:27:13.424]                         }
[17:27:13.424]                         frame <- frame + 1L
[17:27:13.424]                         envir <- sys.frame(frame)
[17:27:13.424]                       }
[17:27:13.424]                     }
[17:27:13.424]                     sendCondition <<- function(cond) NULL
[17:27:13.424]                   }
[17:27:13.424]                 })
[17:27:13.424]                 withCallingHandlers({
[17:27:13.424]                   {
[17:27:13.424]                     future:::session_uuid(attributes = TRUE)
[17:27:13.424]                   }
[17:27:13.424]                 }, immediateCondition = function(cond) {
[17:27:13.424]                   sendCondition <- ...future.makeSendCondition()
[17:27:13.424]                   sendCondition(cond)
[17:27:13.424]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.424]                   {
[17:27:13.424]                     inherits <- base::inherits
[17:27:13.424]                     invokeRestart <- base::invokeRestart
[17:27:13.424]                     is.null <- base::is.null
[17:27:13.424]                     muffled <- FALSE
[17:27:13.424]                     if (inherits(cond, "message")) {
[17:27:13.424]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:13.424]                       if (muffled) 
[17:27:13.424]                         invokeRestart("muffleMessage")
[17:27:13.424]                     }
[17:27:13.424]                     else if (inherits(cond, "warning")) {
[17:27:13.424]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:13.424]                       if (muffled) 
[17:27:13.424]                         invokeRestart("muffleWarning")
[17:27:13.424]                     }
[17:27:13.424]                     else if (inherits(cond, "condition")) {
[17:27:13.424]                       if (!is.null(pattern)) {
[17:27:13.424]                         computeRestarts <- base::computeRestarts
[17:27:13.424]                         grepl <- base::grepl
[17:27:13.424]                         restarts <- computeRestarts(cond)
[17:27:13.424]                         for (restart in restarts) {
[17:27:13.424]                           name <- restart$name
[17:27:13.424]                           if (is.null(name)) 
[17:27:13.424]                             next
[17:27:13.424]                           if (!grepl(pattern, name)) 
[17:27:13.424]                             next
[17:27:13.424]                           invokeRestart(restart)
[17:27:13.424]                           muffled <- TRUE
[17:27:13.424]                           break
[17:27:13.424]                         }
[17:27:13.424]                       }
[17:27:13.424]                     }
[17:27:13.424]                     invisible(muffled)
[17:27:13.424]                   }
[17:27:13.424]                   muffleCondition(cond)
[17:27:13.424]                 })
[17:27:13.424]             }))
[17:27:13.424]             future::FutureResult(value = ...future.value$value, 
[17:27:13.424]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.424]                   ...future.rng), globalenv = if (FALSE) 
[17:27:13.424]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:13.424]                     ...future.globalenv.names))
[17:27:13.424]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:13.424]         }, condition = base::local({
[17:27:13.424]             c <- base::c
[17:27:13.424]             inherits <- base::inherits
[17:27:13.424]             invokeRestart <- base::invokeRestart
[17:27:13.424]             length <- base::length
[17:27:13.424]             list <- base::list
[17:27:13.424]             seq.int <- base::seq.int
[17:27:13.424]             signalCondition <- base::signalCondition
[17:27:13.424]             sys.calls <- base::sys.calls
[17:27:13.424]             `[[` <- base::`[[`
[17:27:13.424]             `+` <- base::`+`
[17:27:13.424]             `<<-` <- base::`<<-`
[17:27:13.424]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:13.424]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:13.424]                   3L)]
[17:27:13.424]             }
[17:27:13.424]             function(cond) {
[17:27:13.424]                 is_error <- inherits(cond, "error")
[17:27:13.424]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:13.424]                   NULL)
[17:27:13.424]                 if (is_error) {
[17:27:13.424]                   sessionInformation <- function() {
[17:27:13.424]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:13.424]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:13.424]                       search = base::search(), system = base::Sys.info())
[17:27:13.424]                   }
[17:27:13.424]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.424]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:13.424]                     cond$call), session = sessionInformation(), 
[17:27:13.424]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:13.424]                   signalCondition(cond)
[17:27:13.424]                 }
[17:27:13.424]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:13.424]                 "immediateCondition"))) {
[17:27:13.424]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:13.424]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.424]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:13.424]                   if (TRUE && !signal) {
[17:27:13.424]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.424]                     {
[17:27:13.424]                       inherits <- base::inherits
[17:27:13.424]                       invokeRestart <- base::invokeRestart
[17:27:13.424]                       is.null <- base::is.null
[17:27:13.424]                       muffled <- FALSE
[17:27:13.424]                       if (inherits(cond, "message")) {
[17:27:13.424]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.424]                         if (muffled) 
[17:27:13.424]                           invokeRestart("muffleMessage")
[17:27:13.424]                       }
[17:27:13.424]                       else if (inherits(cond, "warning")) {
[17:27:13.424]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.424]                         if (muffled) 
[17:27:13.424]                           invokeRestart("muffleWarning")
[17:27:13.424]                       }
[17:27:13.424]                       else if (inherits(cond, "condition")) {
[17:27:13.424]                         if (!is.null(pattern)) {
[17:27:13.424]                           computeRestarts <- base::computeRestarts
[17:27:13.424]                           grepl <- base::grepl
[17:27:13.424]                           restarts <- computeRestarts(cond)
[17:27:13.424]                           for (restart in restarts) {
[17:27:13.424]                             name <- restart$name
[17:27:13.424]                             if (is.null(name)) 
[17:27:13.424]                               next
[17:27:13.424]                             if (!grepl(pattern, name)) 
[17:27:13.424]                               next
[17:27:13.424]                             invokeRestart(restart)
[17:27:13.424]                             muffled <- TRUE
[17:27:13.424]                             break
[17:27:13.424]                           }
[17:27:13.424]                         }
[17:27:13.424]                       }
[17:27:13.424]                       invisible(muffled)
[17:27:13.424]                     }
[17:27:13.424]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.424]                   }
[17:27:13.424]                 }
[17:27:13.424]                 else {
[17:27:13.424]                   if (TRUE) {
[17:27:13.424]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.424]                     {
[17:27:13.424]                       inherits <- base::inherits
[17:27:13.424]                       invokeRestart <- base::invokeRestart
[17:27:13.424]                       is.null <- base::is.null
[17:27:13.424]                       muffled <- FALSE
[17:27:13.424]                       if (inherits(cond, "message")) {
[17:27:13.424]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.424]                         if (muffled) 
[17:27:13.424]                           invokeRestart("muffleMessage")
[17:27:13.424]                       }
[17:27:13.424]                       else if (inherits(cond, "warning")) {
[17:27:13.424]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.424]                         if (muffled) 
[17:27:13.424]                           invokeRestart("muffleWarning")
[17:27:13.424]                       }
[17:27:13.424]                       else if (inherits(cond, "condition")) {
[17:27:13.424]                         if (!is.null(pattern)) {
[17:27:13.424]                           computeRestarts <- base::computeRestarts
[17:27:13.424]                           grepl <- base::grepl
[17:27:13.424]                           restarts <- computeRestarts(cond)
[17:27:13.424]                           for (restart in restarts) {
[17:27:13.424]                             name <- restart$name
[17:27:13.424]                             if (is.null(name)) 
[17:27:13.424]                               next
[17:27:13.424]                             if (!grepl(pattern, name)) 
[17:27:13.424]                               next
[17:27:13.424]                             invokeRestart(restart)
[17:27:13.424]                             muffled <- TRUE
[17:27:13.424]                             break
[17:27:13.424]                           }
[17:27:13.424]                         }
[17:27:13.424]                       }
[17:27:13.424]                       invisible(muffled)
[17:27:13.424]                     }
[17:27:13.424]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.424]                   }
[17:27:13.424]                 }
[17:27:13.424]             }
[17:27:13.424]         }))
[17:27:13.424]     }, error = function(ex) {
[17:27:13.424]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:13.424]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.424]                 ...future.rng), started = ...future.startTime, 
[17:27:13.424]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:13.424]             version = "1.8"), class = "FutureResult")
[17:27:13.424]     }, finally = {
[17:27:13.424]         if (!identical(...future.workdir, getwd())) 
[17:27:13.424]             setwd(...future.workdir)
[17:27:13.424]         {
[17:27:13.424]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:13.424]                 ...future.oldOptions$nwarnings <- NULL
[17:27:13.424]             }
[17:27:13.424]             base::options(...future.oldOptions)
[17:27:13.424]             if (.Platform$OS.type == "windows") {
[17:27:13.424]                 old_names <- names(...future.oldEnvVars)
[17:27:13.424]                 envs <- base::Sys.getenv()
[17:27:13.424]                 names <- names(envs)
[17:27:13.424]                 common <- intersect(names, old_names)
[17:27:13.424]                 added <- setdiff(names, old_names)
[17:27:13.424]                 removed <- setdiff(old_names, names)
[17:27:13.424]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:13.424]                   envs[common]]
[17:27:13.424]                 NAMES <- toupper(changed)
[17:27:13.424]                 args <- list()
[17:27:13.424]                 for (kk in seq_along(NAMES)) {
[17:27:13.424]                   name <- changed[[kk]]
[17:27:13.424]                   NAME <- NAMES[[kk]]
[17:27:13.424]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.424]                     next
[17:27:13.424]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.424]                 }
[17:27:13.424]                 NAMES <- toupper(added)
[17:27:13.424]                 for (kk in seq_along(NAMES)) {
[17:27:13.424]                   name <- added[[kk]]
[17:27:13.424]                   NAME <- NAMES[[kk]]
[17:27:13.424]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.424]                     next
[17:27:13.424]                   args[[name]] <- ""
[17:27:13.424]                 }
[17:27:13.424]                 NAMES <- toupper(removed)
[17:27:13.424]                 for (kk in seq_along(NAMES)) {
[17:27:13.424]                   name <- removed[[kk]]
[17:27:13.424]                   NAME <- NAMES[[kk]]
[17:27:13.424]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.424]                     next
[17:27:13.424]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.424]                 }
[17:27:13.424]                 if (length(args) > 0) 
[17:27:13.424]                   base::do.call(base::Sys.setenv, args = args)
[17:27:13.424]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:13.424]             }
[17:27:13.424]             else {
[17:27:13.424]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:13.424]             }
[17:27:13.424]             {
[17:27:13.424]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:13.424]                   0L) {
[17:27:13.424]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:13.424]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:13.424]                   base::options(opts)
[17:27:13.424]                 }
[17:27:13.424]                 {
[17:27:13.424]                   {
[17:27:13.424]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:13.424]                     NULL
[17:27:13.424]                   }
[17:27:13.424]                   options(future.plan = NULL)
[17:27:13.424]                   if (is.na(NA_character_)) 
[17:27:13.424]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.424]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:13.424]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:13.424]                     .init = FALSE)
[17:27:13.424]                 }
[17:27:13.424]             }
[17:27:13.424]         }
[17:27:13.424]     })
[17:27:13.424]     if (TRUE) {
[17:27:13.424]         base::sink(type = "output", split = FALSE)
[17:27:13.424]         if (TRUE) {
[17:27:13.424]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:13.424]         }
[17:27:13.424]         else {
[17:27:13.424]             ...future.result["stdout"] <- base::list(NULL)
[17:27:13.424]         }
[17:27:13.424]         base::close(...future.stdout)
[17:27:13.424]         ...future.stdout <- NULL
[17:27:13.424]     }
[17:27:13.424]     ...future.result$conditions <- ...future.conditions
[17:27:13.424]     ...future.result$finished <- base::Sys.time()
[17:27:13.424]     ...future.result
[17:27:13.424] }
[17:27:13.430] MultisessionFuture started
[17:27:13.430] - Launch lazy future ... done
[17:27:13.433] run() for 'MultisessionFuture' ... done
> stopifnot(inherits(f2, "MultisessionFuture"))
> cat(sprintf("Future #2 session: %d\n", f2$node))
Future #2 session: 1
> v2 <- value(f2)
[17:27:13.434] result() for ClusterFuture ...
[17:27:13.434] receiveMessageFromWorker() for ClusterFuture ...
[17:27:13.434] - Validating connection of MultisessionFuture
[17:27:13.444] - received message: FutureResult
[17:27:13.444] - Received FutureResult
[17:27:13.444] - Erased future from FutureRegistry
[17:27:13.444] result() for ClusterFuture ...
[17:27:13.444] - result already collected: FutureResult
[17:27:13.445] result() for ClusterFuture ... done
[17:27:13.445] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:13.445] result() for ClusterFuture ... done
[17:27:13.445] result() for ClusterFuture ...
[17:27:13.445] - result already collected: FutureResult
[17:27:13.445] result() for ClusterFuture ... done
> cat(sprintf("Future #2 R process: %s\n", v2))
Future #2 R process: ac79e6a3-8350-2d2a-591e-3c62684565a9
> stopifnot(v2 != session_uuid)
> 
> message("Creating future #3:")
Creating future #3:
> f3 <- future({ f1$owner })
[17:27:13.446] getGlobalsAndPackages() ...
[17:27:13.446] Searching for globals...
[17:27:13.447] - globals found: [3] '{', '$', 'f1'
[17:27:13.447] Searching for globals ... DONE
[17:27:13.447] Resolving globals: FALSE
[17:27:13.451] The total size of the 1 globals is 1.58 MiB (1659472 bytes)
[17:27:13.451] The total size of the 1 globals exported for future expression ('{; f1$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')
[17:27:13.451] - globals: [1] 'f1'
[17:27:13.452] 
[17:27:13.452] getGlobalsAndPackages() ... DONE
[17:27:13.452] run() for 'Future' ...
[17:27:13.452] - state: 'created'
[17:27:13.452] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:13.464] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:13.464] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:13.465]   - Field: 'node'
[17:27:13.465]   - Field: 'label'
[17:27:13.465]   - Field: 'local'
[17:27:13.465]   - Field: 'owner'
[17:27:13.465]   - Field: 'envir'
[17:27:13.466]   - Field: 'workers'
[17:27:13.466]   - Field: 'packages'
[17:27:13.466]   - Field: 'gc'
[17:27:13.466]   - Field: 'conditions'
[17:27:13.466]   - Field: 'persistent'
[17:27:13.466]   - Field: 'expr'
[17:27:13.467]   - Field: 'uuid'
[17:27:13.467]   - Field: 'seed'
[17:27:13.467]   - Field: 'version'
[17:27:13.467]   - Field: 'result'
[17:27:13.467]   - Field: 'asynchronous'
[17:27:13.467]   - Field: 'calls'
[17:27:13.468]   - Field: 'globals'
[17:27:13.468]   - Field: 'stdout'
[17:27:13.468]   - Field: 'earlySignal'
[17:27:13.468]   - Field: 'lazy'
[17:27:13.468]   - Field: 'state'
[17:27:13.469] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:13.469] - Launch lazy future ...
[17:27:13.469] Packages needed by the future expression (n = 0): <none>
[17:27:13.469] Packages needed by future strategies (n = 0): <none>
[17:27:13.470] {
[17:27:13.470]     {
[17:27:13.470]         {
[17:27:13.470]             ...future.startTime <- base::Sys.time()
[17:27:13.470]             {
[17:27:13.470]                 {
[17:27:13.470]                   {
[17:27:13.470]                     {
[17:27:13.470]                       base::local({
[17:27:13.470]                         has_future <- base::requireNamespace("future", 
[17:27:13.470]                           quietly = TRUE)
[17:27:13.470]                         if (has_future) {
[17:27:13.470]                           ns <- base::getNamespace("future")
[17:27:13.470]                           version <- ns[[".package"]][["version"]]
[17:27:13.470]                           if (is.null(version)) 
[17:27:13.470]                             version <- utils::packageVersion("future")
[17:27:13.470]                         }
[17:27:13.470]                         else {
[17:27:13.470]                           version <- NULL
[17:27:13.470]                         }
[17:27:13.470]                         if (!has_future || version < "1.8.0") {
[17:27:13.470]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:13.470]                             "", base::R.version$version.string), 
[17:27:13.470]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:13.470]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:13.470]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:13.470]                               "release", "version")], collapse = " "), 
[17:27:13.470]                             hostname = base::Sys.info()[["nodename"]])
[17:27:13.470]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:13.470]                             info)
[17:27:13.470]                           info <- base::paste(info, collapse = "; ")
[17:27:13.470]                           if (!has_future) {
[17:27:13.470]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:13.470]                               info)
[17:27:13.470]                           }
[17:27:13.470]                           else {
[17:27:13.470]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:13.470]                               info, version)
[17:27:13.470]                           }
[17:27:13.470]                           base::stop(msg)
[17:27:13.470]                         }
[17:27:13.470]                       })
[17:27:13.470]                     }
[17:27:13.470]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:13.470]                     base::options(mc.cores = 1L)
[17:27:13.470]                   }
[17:27:13.470]                   ...future.strategy.old <- future::plan("list")
[17:27:13.470]                   options(future.plan = NULL)
[17:27:13.470]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.470]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:13.470]                 }
[17:27:13.470]                 ...future.workdir <- getwd()
[17:27:13.470]             }
[17:27:13.470]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:13.470]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:13.470]         }
[17:27:13.470]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:13.470]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:13.470]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:13.470]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:13.470]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:13.470]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:13.470]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:13.470]             base::names(...future.oldOptions))
[17:27:13.470]     }
[17:27:13.470]     if (FALSE) {
[17:27:13.470]     }
[17:27:13.470]     else {
[17:27:13.470]         if (TRUE) {
[17:27:13.470]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:13.470]                 open = "w")
[17:27:13.470]         }
[17:27:13.470]         else {
[17:27:13.470]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:13.470]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:13.470]         }
[17:27:13.470]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:13.470]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:13.470]             base::sink(type = "output", split = FALSE)
[17:27:13.470]             base::close(...future.stdout)
[17:27:13.470]         }, add = TRUE)
[17:27:13.470]     }
[17:27:13.470]     ...future.frame <- base::sys.nframe()
[17:27:13.470]     ...future.conditions <- base::list()
[17:27:13.470]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:13.470]     if (FALSE) {
[17:27:13.470]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:13.470]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:13.470]     }
[17:27:13.470]     ...future.result <- base::tryCatch({
[17:27:13.470]         base::withCallingHandlers({
[17:27:13.470]             ...future.value <- base::withVisible(base::local({
[17:27:13.470]                 ...future.makeSendCondition <- base::local({
[17:27:13.470]                   sendCondition <- NULL
[17:27:13.470]                   function(frame = 1L) {
[17:27:13.470]                     if (is.function(sendCondition)) 
[17:27:13.470]                       return(sendCondition)
[17:27:13.470]                     ns <- getNamespace("parallel")
[17:27:13.470]                     if (exists("sendData", mode = "function", 
[17:27:13.470]                       envir = ns)) {
[17:27:13.470]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:13.470]                         envir = ns)
[17:27:13.470]                       envir <- sys.frame(frame)
[17:27:13.470]                       master <- NULL
[17:27:13.470]                       while (!identical(envir, .GlobalEnv) && 
[17:27:13.470]                         !identical(envir, emptyenv())) {
[17:27:13.470]                         if (exists("master", mode = "list", envir = envir, 
[17:27:13.470]                           inherits = FALSE)) {
[17:27:13.470]                           master <- get("master", mode = "list", 
[17:27:13.470]                             envir = envir, inherits = FALSE)
[17:27:13.470]                           if (inherits(master, c("SOCKnode", 
[17:27:13.470]                             "SOCK0node"))) {
[17:27:13.470]                             sendCondition <<- function(cond) {
[17:27:13.470]                               data <- list(type = "VALUE", value = cond, 
[17:27:13.470]                                 success = TRUE)
[17:27:13.470]                               parallel_sendData(master, data)
[17:27:13.470]                             }
[17:27:13.470]                             return(sendCondition)
[17:27:13.470]                           }
[17:27:13.470]                         }
[17:27:13.470]                         frame <- frame + 1L
[17:27:13.470]                         envir <- sys.frame(frame)
[17:27:13.470]                       }
[17:27:13.470]                     }
[17:27:13.470]                     sendCondition <<- function(cond) NULL
[17:27:13.470]                   }
[17:27:13.470]                 })
[17:27:13.470]                 withCallingHandlers({
[17:27:13.470]                   {
[17:27:13.470]                     f1$owner
[17:27:13.470]                   }
[17:27:13.470]                 }, immediateCondition = function(cond) {
[17:27:13.470]                   sendCondition <- ...future.makeSendCondition()
[17:27:13.470]                   sendCondition(cond)
[17:27:13.470]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.470]                   {
[17:27:13.470]                     inherits <- base::inherits
[17:27:13.470]                     invokeRestart <- base::invokeRestart
[17:27:13.470]                     is.null <- base::is.null
[17:27:13.470]                     muffled <- FALSE
[17:27:13.470]                     if (inherits(cond, "message")) {
[17:27:13.470]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:13.470]                       if (muffled) 
[17:27:13.470]                         invokeRestart("muffleMessage")
[17:27:13.470]                     }
[17:27:13.470]                     else if (inherits(cond, "warning")) {
[17:27:13.470]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:13.470]                       if (muffled) 
[17:27:13.470]                         invokeRestart("muffleWarning")
[17:27:13.470]                     }
[17:27:13.470]                     else if (inherits(cond, "condition")) {
[17:27:13.470]                       if (!is.null(pattern)) {
[17:27:13.470]                         computeRestarts <- base::computeRestarts
[17:27:13.470]                         grepl <- base::grepl
[17:27:13.470]                         restarts <- computeRestarts(cond)
[17:27:13.470]                         for (restart in restarts) {
[17:27:13.470]                           name <- restart$name
[17:27:13.470]                           if (is.null(name)) 
[17:27:13.470]                             next
[17:27:13.470]                           if (!grepl(pattern, name)) 
[17:27:13.470]                             next
[17:27:13.470]                           invokeRestart(restart)
[17:27:13.470]                           muffled <- TRUE
[17:27:13.470]                           break
[17:27:13.470]                         }
[17:27:13.470]                       }
[17:27:13.470]                     }
[17:27:13.470]                     invisible(muffled)
[17:27:13.470]                   }
[17:27:13.470]                   muffleCondition(cond)
[17:27:13.470]                 })
[17:27:13.470]             }))
[17:27:13.470]             future::FutureResult(value = ...future.value$value, 
[17:27:13.470]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.470]                   ...future.rng), globalenv = if (FALSE) 
[17:27:13.470]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:13.470]                     ...future.globalenv.names))
[17:27:13.470]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:13.470]         }, condition = base::local({
[17:27:13.470]             c <- base::c
[17:27:13.470]             inherits <- base::inherits
[17:27:13.470]             invokeRestart <- base::invokeRestart
[17:27:13.470]             length <- base::length
[17:27:13.470]             list <- base::list
[17:27:13.470]             seq.int <- base::seq.int
[17:27:13.470]             signalCondition <- base::signalCondition
[17:27:13.470]             sys.calls <- base::sys.calls
[17:27:13.470]             `[[` <- base::`[[`
[17:27:13.470]             `+` <- base::`+`
[17:27:13.470]             `<<-` <- base::`<<-`
[17:27:13.470]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:13.470]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:13.470]                   3L)]
[17:27:13.470]             }
[17:27:13.470]             function(cond) {
[17:27:13.470]                 is_error <- inherits(cond, "error")
[17:27:13.470]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:13.470]                   NULL)
[17:27:13.470]                 if (is_error) {
[17:27:13.470]                   sessionInformation <- function() {
[17:27:13.470]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:13.470]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:13.470]                       search = base::search(), system = base::Sys.info())
[17:27:13.470]                   }
[17:27:13.470]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.470]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:13.470]                     cond$call), session = sessionInformation(), 
[17:27:13.470]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:13.470]                   signalCondition(cond)
[17:27:13.470]                 }
[17:27:13.470]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:13.470]                 "immediateCondition"))) {
[17:27:13.470]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:13.470]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.470]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:13.470]                   if (TRUE && !signal) {
[17:27:13.470]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.470]                     {
[17:27:13.470]                       inherits <- base::inherits
[17:27:13.470]                       invokeRestart <- base::invokeRestart
[17:27:13.470]                       is.null <- base::is.null
[17:27:13.470]                       muffled <- FALSE
[17:27:13.470]                       if (inherits(cond, "message")) {
[17:27:13.470]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.470]                         if (muffled) 
[17:27:13.470]                           invokeRestart("muffleMessage")
[17:27:13.470]                       }
[17:27:13.470]                       else if (inherits(cond, "warning")) {
[17:27:13.470]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.470]                         if (muffled) 
[17:27:13.470]                           invokeRestart("muffleWarning")
[17:27:13.470]                       }
[17:27:13.470]                       else if (inherits(cond, "condition")) {
[17:27:13.470]                         if (!is.null(pattern)) {
[17:27:13.470]                           computeRestarts <- base::computeRestarts
[17:27:13.470]                           grepl <- base::grepl
[17:27:13.470]                           restarts <- computeRestarts(cond)
[17:27:13.470]                           for (restart in restarts) {
[17:27:13.470]                             name <- restart$name
[17:27:13.470]                             if (is.null(name)) 
[17:27:13.470]                               next
[17:27:13.470]                             if (!grepl(pattern, name)) 
[17:27:13.470]                               next
[17:27:13.470]                             invokeRestart(restart)
[17:27:13.470]                             muffled <- TRUE
[17:27:13.470]                             break
[17:27:13.470]                           }
[17:27:13.470]                         }
[17:27:13.470]                       }
[17:27:13.470]                       invisible(muffled)
[17:27:13.470]                     }
[17:27:13.470]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.470]                   }
[17:27:13.470]                 }
[17:27:13.470]                 else {
[17:27:13.470]                   if (TRUE) {
[17:27:13.470]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.470]                     {
[17:27:13.470]                       inherits <- base::inherits
[17:27:13.470]                       invokeRestart <- base::invokeRestart
[17:27:13.470]                       is.null <- base::is.null
[17:27:13.470]                       muffled <- FALSE
[17:27:13.470]                       if (inherits(cond, "message")) {
[17:27:13.470]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.470]                         if (muffled) 
[17:27:13.470]                           invokeRestart("muffleMessage")
[17:27:13.470]                       }
[17:27:13.470]                       else if (inherits(cond, "warning")) {
[17:27:13.470]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.470]                         if (muffled) 
[17:27:13.470]                           invokeRestart("muffleWarning")
[17:27:13.470]                       }
[17:27:13.470]                       else if (inherits(cond, "condition")) {
[17:27:13.470]                         if (!is.null(pattern)) {
[17:27:13.470]                           computeRestarts <- base::computeRestarts
[17:27:13.470]                           grepl <- base::grepl
[17:27:13.470]                           restarts <- computeRestarts(cond)
[17:27:13.470]                           for (restart in restarts) {
[17:27:13.470]                             name <- restart$name
[17:27:13.470]                             if (is.null(name)) 
[17:27:13.470]                               next
[17:27:13.470]                             if (!grepl(pattern, name)) 
[17:27:13.470]                               next
[17:27:13.470]                             invokeRestart(restart)
[17:27:13.470]                             muffled <- TRUE
[17:27:13.470]                             break
[17:27:13.470]                           }
[17:27:13.470]                         }
[17:27:13.470]                       }
[17:27:13.470]                       invisible(muffled)
[17:27:13.470]                     }
[17:27:13.470]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.470]                   }
[17:27:13.470]                 }
[17:27:13.470]             }
[17:27:13.470]         }))
[17:27:13.470]     }, error = function(ex) {
[17:27:13.470]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:13.470]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.470]                 ...future.rng), started = ...future.startTime, 
[17:27:13.470]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:13.470]             version = "1.8"), class = "FutureResult")
[17:27:13.470]     }, finally = {
[17:27:13.470]         if (!identical(...future.workdir, getwd())) 
[17:27:13.470]             setwd(...future.workdir)
[17:27:13.470]         {
[17:27:13.470]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:13.470]                 ...future.oldOptions$nwarnings <- NULL
[17:27:13.470]             }
[17:27:13.470]             base::options(...future.oldOptions)
[17:27:13.470]             if (.Platform$OS.type == "windows") {
[17:27:13.470]                 old_names <- names(...future.oldEnvVars)
[17:27:13.470]                 envs <- base::Sys.getenv()
[17:27:13.470]                 names <- names(envs)
[17:27:13.470]                 common <- intersect(names, old_names)
[17:27:13.470]                 added <- setdiff(names, old_names)
[17:27:13.470]                 removed <- setdiff(old_names, names)
[17:27:13.470]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:13.470]                   envs[common]]
[17:27:13.470]                 NAMES <- toupper(changed)
[17:27:13.470]                 args <- list()
[17:27:13.470]                 for (kk in seq_along(NAMES)) {
[17:27:13.470]                   name <- changed[[kk]]
[17:27:13.470]                   NAME <- NAMES[[kk]]
[17:27:13.470]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.470]                     next
[17:27:13.470]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.470]                 }
[17:27:13.470]                 NAMES <- toupper(added)
[17:27:13.470]                 for (kk in seq_along(NAMES)) {
[17:27:13.470]                   name <- added[[kk]]
[17:27:13.470]                   NAME <- NAMES[[kk]]
[17:27:13.470]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.470]                     next
[17:27:13.470]                   args[[name]] <- ""
[17:27:13.470]                 }
[17:27:13.470]                 NAMES <- toupper(removed)
[17:27:13.470]                 for (kk in seq_along(NAMES)) {
[17:27:13.470]                   name <- removed[[kk]]
[17:27:13.470]                   NAME <- NAMES[[kk]]
[17:27:13.470]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.470]                     next
[17:27:13.470]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.470]                 }
[17:27:13.470]                 if (length(args) > 0) 
[17:27:13.470]                   base::do.call(base::Sys.setenv, args = args)
[17:27:13.470]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:13.470]             }
[17:27:13.470]             else {
[17:27:13.470]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:13.470]             }
[17:27:13.470]             {
[17:27:13.470]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:13.470]                   0L) {
[17:27:13.470]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:13.470]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:13.470]                   base::options(opts)
[17:27:13.470]                 }
[17:27:13.470]                 {
[17:27:13.470]                   {
[17:27:13.470]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:13.470]                     NULL
[17:27:13.470]                   }
[17:27:13.470]                   options(future.plan = NULL)
[17:27:13.470]                   if (is.na(NA_character_)) 
[17:27:13.470]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.470]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:13.470]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:13.470]                     .init = FALSE)
[17:27:13.470]                 }
[17:27:13.470]             }
[17:27:13.470]         }
[17:27:13.470]     })
[17:27:13.470]     if (TRUE) {
[17:27:13.470]         base::sink(type = "output", split = FALSE)
[17:27:13.470]         if (TRUE) {
[17:27:13.470]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:13.470]         }
[17:27:13.470]         else {
[17:27:13.470]             ...future.result["stdout"] <- base::list(NULL)
[17:27:13.470]         }
[17:27:13.470]         base::close(...future.stdout)
[17:27:13.470]         ...future.stdout <- NULL
[17:27:13.470]     }
[17:27:13.470]     ...future.result$conditions <- ...future.conditions
[17:27:13.470]     ...future.result$finished <- base::Sys.time()
[17:27:13.470]     ...future.result
[17:27:13.470] }
[17:27:13.475] Exporting 1 global objects (1.58 MiB) to cluster node #1 ...
[17:27:13.477] Exporting 'f1' (1.58 MiB) to cluster node #1 ...
[17:27:13.489] Exporting 'f1' (1.58 MiB) to cluster node #1 ... DONE
[17:27:13.489] Exporting 1 global objects (1.58 MiB) to cluster node #1 ... DONE
[17:27:13.490] MultisessionFuture started
[17:27:13.490] - Launch lazy future ... done
[17:27:13.490] run() for 'MultisessionFuture' ... done
> stopifnot(inherits(f3, "MultisessionFuture"))
> cat(sprintf("Future #3 session: %d\n", f3$node))
Future #3 session: 1
> v3 <- value(f3)
[17:27:13.490] result() for ClusterFuture ...
[17:27:13.490] receiveMessageFromWorker() for ClusterFuture ...
[17:27:13.491] - Validating connection of MultisessionFuture
[17:27:13.504] - received message: FutureResult
[17:27:13.504] - Received FutureResult
[17:27:13.504] - Erased future from FutureRegistry
[17:27:13.504] result() for ClusterFuture ...
[17:27:13.504] - result already collected: FutureResult
[17:27:13.505] result() for ClusterFuture ... done
[17:27:13.505] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:13.505] result() for ClusterFuture ... done
[17:27:13.505] result() for ClusterFuture ...
[17:27:13.505] - result already collected: FutureResult
[17:27:13.505] result() for ClusterFuture ... done
> cat(sprintf("Future #3 owner: %s\n", v3))
Future #3 owner: 4477bd64-8237-d939-32d3-b7829e37759b
> stopifnot(v3 == session_uuid)
> 
> message("Creating future #4:")
Creating future #4:
> f4 <- future({ f1$owner })
[17:27:13.506] getGlobalsAndPackages() ...
[17:27:13.506] Searching for globals...
[17:27:13.507] - globals found: [3] '{', '$', 'f1'
[17:27:13.507] Searching for globals ... DONE
[17:27:13.507] Resolving globals: FALSE
[17:27:13.510] The total size of the 1 globals is 1.59 MiB (1662288 bytes)
[17:27:13.510] The total size of the 1 globals exported for future expression ('{; f1$owner; }') is 1.59 MiB.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'f1' (1.59 MiB of class 'environment')
[17:27:13.511] - globals: [1] 'f1'
[17:27:13.511] 
[17:27:13.511] getGlobalsAndPackages() ... DONE
[17:27:13.511] run() for 'Future' ...
[17:27:13.512] - state: 'created'
[17:27:13.512] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:13.524] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:13.524] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:13.524]   - Field: 'node'
[17:27:13.525]   - Field: 'label'
[17:27:13.525]   - Field: 'local'
[17:27:13.525]   - Field: 'owner'
[17:27:13.525]   - Field: 'envir'
[17:27:13.525]   - Field: 'workers'
[17:27:13.525]   - Field: 'packages'
[17:27:13.526]   - Field: 'gc'
[17:27:13.526]   - Field: 'conditions'
[17:27:13.526]   - Field: 'persistent'
[17:27:13.526]   - Field: 'expr'
[17:27:13.526]   - Field: 'uuid'
[17:27:13.526]   - Field: 'seed'
[17:27:13.527]   - Field: 'version'
[17:27:13.527]   - Field: 'result'
[17:27:13.527]   - Field: 'asynchronous'
[17:27:13.527]   - Field: 'calls'
[17:27:13.527]   - Field: 'globals'
[17:27:13.528]   - Field: 'stdout'
[17:27:13.528]   - Field: 'earlySignal'
[17:27:13.528]   - Field: 'lazy'
[17:27:13.528]   - Field: 'state'
[17:27:13.528] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:13.528] - Launch lazy future ...
[17:27:13.529] Packages needed by the future expression (n = 0): <none>
[17:27:13.529] Packages needed by future strategies (n = 0): <none>
[17:27:13.530] {
[17:27:13.530]     {
[17:27:13.530]         {
[17:27:13.530]             ...future.startTime <- base::Sys.time()
[17:27:13.530]             {
[17:27:13.530]                 {
[17:27:13.530]                   {
[17:27:13.530]                     {
[17:27:13.530]                       base::local({
[17:27:13.530]                         has_future <- base::requireNamespace("future", 
[17:27:13.530]                           quietly = TRUE)
[17:27:13.530]                         if (has_future) {
[17:27:13.530]                           ns <- base::getNamespace("future")
[17:27:13.530]                           version <- ns[[".package"]][["version"]]
[17:27:13.530]                           if (is.null(version)) 
[17:27:13.530]                             version <- utils::packageVersion("future")
[17:27:13.530]                         }
[17:27:13.530]                         else {
[17:27:13.530]                           version <- NULL
[17:27:13.530]                         }
[17:27:13.530]                         if (!has_future || version < "1.8.0") {
[17:27:13.530]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:13.530]                             "", base::R.version$version.string), 
[17:27:13.530]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:13.530]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:13.530]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:13.530]                               "release", "version")], collapse = " "), 
[17:27:13.530]                             hostname = base::Sys.info()[["nodename"]])
[17:27:13.530]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:13.530]                             info)
[17:27:13.530]                           info <- base::paste(info, collapse = "; ")
[17:27:13.530]                           if (!has_future) {
[17:27:13.530]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:13.530]                               info)
[17:27:13.530]                           }
[17:27:13.530]                           else {
[17:27:13.530]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:13.530]                               info, version)
[17:27:13.530]                           }
[17:27:13.530]                           base::stop(msg)
[17:27:13.530]                         }
[17:27:13.530]                       })
[17:27:13.530]                     }
[17:27:13.530]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:13.530]                     base::options(mc.cores = 1L)
[17:27:13.530]                   }
[17:27:13.530]                   ...future.strategy.old <- future::plan("list")
[17:27:13.530]                   options(future.plan = NULL)
[17:27:13.530]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.530]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:13.530]                 }
[17:27:13.530]                 ...future.workdir <- getwd()
[17:27:13.530]             }
[17:27:13.530]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:13.530]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:13.530]         }
[17:27:13.530]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:13.530]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:13.530]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:13.530]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:13.530]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:13.530]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:13.530]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:13.530]             base::names(...future.oldOptions))
[17:27:13.530]     }
[17:27:13.530]     if (FALSE) {
[17:27:13.530]     }
[17:27:13.530]     else {
[17:27:13.530]         if (TRUE) {
[17:27:13.530]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:13.530]                 open = "w")
[17:27:13.530]         }
[17:27:13.530]         else {
[17:27:13.530]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:13.530]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:13.530]         }
[17:27:13.530]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:13.530]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:13.530]             base::sink(type = "output", split = FALSE)
[17:27:13.530]             base::close(...future.stdout)
[17:27:13.530]         }, add = TRUE)
[17:27:13.530]     }
[17:27:13.530]     ...future.frame <- base::sys.nframe()
[17:27:13.530]     ...future.conditions <- base::list()
[17:27:13.530]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:13.530]     if (FALSE) {
[17:27:13.530]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:13.530]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:13.530]     }
[17:27:13.530]     ...future.result <- base::tryCatch({
[17:27:13.530]         base::withCallingHandlers({
[17:27:13.530]             ...future.value <- base::withVisible(base::local({
[17:27:13.530]                 ...future.makeSendCondition <- base::local({
[17:27:13.530]                   sendCondition <- NULL
[17:27:13.530]                   function(frame = 1L) {
[17:27:13.530]                     if (is.function(sendCondition)) 
[17:27:13.530]                       return(sendCondition)
[17:27:13.530]                     ns <- getNamespace("parallel")
[17:27:13.530]                     if (exists("sendData", mode = "function", 
[17:27:13.530]                       envir = ns)) {
[17:27:13.530]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:13.530]                         envir = ns)
[17:27:13.530]                       envir <- sys.frame(frame)
[17:27:13.530]                       master <- NULL
[17:27:13.530]                       while (!identical(envir, .GlobalEnv) && 
[17:27:13.530]                         !identical(envir, emptyenv())) {
[17:27:13.530]                         if (exists("master", mode = "list", envir = envir, 
[17:27:13.530]                           inherits = FALSE)) {
[17:27:13.530]                           master <- get("master", mode = "list", 
[17:27:13.530]                             envir = envir, inherits = FALSE)
[17:27:13.530]                           if (inherits(master, c("SOCKnode", 
[17:27:13.530]                             "SOCK0node"))) {
[17:27:13.530]                             sendCondition <<- function(cond) {
[17:27:13.530]                               data <- list(type = "VALUE", value = cond, 
[17:27:13.530]                                 success = TRUE)
[17:27:13.530]                               parallel_sendData(master, data)
[17:27:13.530]                             }
[17:27:13.530]                             return(sendCondition)
[17:27:13.530]                           }
[17:27:13.530]                         }
[17:27:13.530]                         frame <- frame + 1L
[17:27:13.530]                         envir <- sys.frame(frame)
[17:27:13.530]                       }
[17:27:13.530]                     }
[17:27:13.530]                     sendCondition <<- function(cond) NULL
[17:27:13.530]                   }
[17:27:13.530]                 })
[17:27:13.530]                 withCallingHandlers({
[17:27:13.530]                   {
[17:27:13.530]                     f1$owner
[17:27:13.530]                   }
[17:27:13.530]                 }, immediateCondition = function(cond) {
[17:27:13.530]                   sendCondition <- ...future.makeSendCondition()
[17:27:13.530]                   sendCondition(cond)
[17:27:13.530]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.530]                   {
[17:27:13.530]                     inherits <- base::inherits
[17:27:13.530]                     invokeRestart <- base::invokeRestart
[17:27:13.530]                     is.null <- base::is.null
[17:27:13.530]                     muffled <- FALSE
[17:27:13.530]                     if (inherits(cond, "message")) {
[17:27:13.530]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:13.530]                       if (muffled) 
[17:27:13.530]                         invokeRestart("muffleMessage")
[17:27:13.530]                     }
[17:27:13.530]                     else if (inherits(cond, "warning")) {
[17:27:13.530]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:13.530]                       if (muffled) 
[17:27:13.530]                         invokeRestart("muffleWarning")
[17:27:13.530]                     }
[17:27:13.530]                     else if (inherits(cond, "condition")) {
[17:27:13.530]                       if (!is.null(pattern)) {
[17:27:13.530]                         computeRestarts <- base::computeRestarts
[17:27:13.530]                         grepl <- base::grepl
[17:27:13.530]                         restarts <- computeRestarts(cond)
[17:27:13.530]                         for (restart in restarts) {
[17:27:13.530]                           name <- restart$name
[17:27:13.530]                           if (is.null(name)) 
[17:27:13.530]                             next
[17:27:13.530]                           if (!grepl(pattern, name)) 
[17:27:13.530]                             next
[17:27:13.530]                           invokeRestart(restart)
[17:27:13.530]                           muffled <- TRUE
[17:27:13.530]                           break
[17:27:13.530]                         }
[17:27:13.530]                       }
[17:27:13.530]                     }
[17:27:13.530]                     invisible(muffled)
[17:27:13.530]                   }
[17:27:13.530]                   muffleCondition(cond)
[17:27:13.530]                 })
[17:27:13.530]             }))
[17:27:13.530]             future::FutureResult(value = ...future.value$value, 
[17:27:13.530]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.530]                   ...future.rng), globalenv = if (FALSE) 
[17:27:13.530]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:13.530]                     ...future.globalenv.names))
[17:27:13.530]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:13.530]         }, condition = base::local({
[17:27:13.530]             c <- base::c
[17:27:13.530]             inherits <- base::inherits
[17:27:13.530]             invokeRestart <- base::invokeRestart
[17:27:13.530]             length <- base::length
[17:27:13.530]             list <- base::list
[17:27:13.530]             seq.int <- base::seq.int
[17:27:13.530]             signalCondition <- base::signalCondition
[17:27:13.530]             sys.calls <- base::sys.calls
[17:27:13.530]             `[[` <- base::`[[`
[17:27:13.530]             `+` <- base::`+`
[17:27:13.530]             `<<-` <- base::`<<-`
[17:27:13.530]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:13.530]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:13.530]                   3L)]
[17:27:13.530]             }
[17:27:13.530]             function(cond) {
[17:27:13.530]                 is_error <- inherits(cond, "error")
[17:27:13.530]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:13.530]                   NULL)
[17:27:13.530]                 if (is_error) {
[17:27:13.530]                   sessionInformation <- function() {
[17:27:13.530]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:13.530]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:13.530]                       search = base::search(), system = base::Sys.info())
[17:27:13.530]                   }
[17:27:13.530]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.530]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:13.530]                     cond$call), session = sessionInformation(), 
[17:27:13.530]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:13.530]                   signalCondition(cond)
[17:27:13.530]                 }
[17:27:13.530]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:13.530]                 "immediateCondition"))) {
[17:27:13.530]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:13.530]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.530]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:13.530]                   if (TRUE && !signal) {
[17:27:13.530]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.530]                     {
[17:27:13.530]                       inherits <- base::inherits
[17:27:13.530]                       invokeRestart <- base::invokeRestart
[17:27:13.530]                       is.null <- base::is.null
[17:27:13.530]                       muffled <- FALSE
[17:27:13.530]                       if (inherits(cond, "message")) {
[17:27:13.530]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.530]                         if (muffled) 
[17:27:13.530]                           invokeRestart("muffleMessage")
[17:27:13.530]                       }
[17:27:13.530]                       else if (inherits(cond, "warning")) {
[17:27:13.530]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.530]                         if (muffled) 
[17:27:13.530]                           invokeRestart("muffleWarning")
[17:27:13.530]                       }
[17:27:13.530]                       else if (inherits(cond, "condition")) {
[17:27:13.530]                         if (!is.null(pattern)) {
[17:27:13.530]                           computeRestarts <- base::computeRestarts
[17:27:13.530]                           grepl <- base::grepl
[17:27:13.530]                           restarts <- computeRestarts(cond)
[17:27:13.530]                           for (restart in restarts) {
[17:27:13.530]                             name <- restart$name
[17:27:13.530]                             if (is.null(name)) 
[17:27:13.530]                               next
[17:27:13.530]                             if (!grepl(pattern, name)) 
[17:27:13.530]                               next
[17:27:13.530]                             invokeRestart(restart)
[17:27:13.530]                             muffled <- TRUE
[17:27:13.530]                             break
[17:27:13.530]                           }
[17:27:13.530]                         }
[17:27:13.530]                       }
[17:27:13.530]                       invisible(muffled)
[17:27:13.530]                     }
[17:27:13.530]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.530]                   }
[17:27:13.530]                 }
[17:27:13.530]                 else {
[17:27:13.530]                   if (TRUE) {
[17:27:13.530]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.530]                     {
[17:27:13.530]                       inherits <- base::inherits
[17:27:13.530]                       invokeRestart <- base::invokeRestart
[17:27:13.530]                       is.null <- base::is.null
[17:27:13.530]                       muffled <- FALSE
[17:27:13.530]                       if (inherits(cond, "message")) {
[17:27:13.530]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.530]                         if (muffled) 
[17:27:13.530]                           invokeRestart("muffleMessage")
[17:27:13.530]                       }
[17:27:13.530]                       else if (inherits(cond, "warning")) {
[17:27:13.530]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.530]                         if (muffled) 
[17:27:13.530]                           invokeRestart("muffleWarning")
[17:27:13.530]                       }
[17:27:13.530]                       else if (inherits(cond, "condition")) {
[17:27:13.530]                         if (!is.null(pattern)) {
[17:27:13.530]                           computeRestarts <- base::computeRestarts
[17:27:13.530]                           grepl <- base::grepl
[17:27:13.530]                           restarts <- computeRestarts(cond)
[17:27:13.530]                           for (restart in restarts) {
[17:27:13.530]                             name <- restart$name
[17:27:13.530]                             if (is.null(name)) 
[17:27:13.530]                               next
[17:27:13.530]                             if (!grepl(pattern, name)) 
[17:27:13.530]                               next
[17:27:13.530]                             invokeRestart(restart)
[17:27:13.530]                             muffled <- TRUE
[17:27:13.530]                             break
[17:27:13.530]                           }
[17:27:13.530]                         }
[17:27:13.530]                       }
[17:27:13.530]                       invisible(muffled)
[17:27:13.530]                     }
[17:27:13.530]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.530]                   }
[17:27:13.530]                 }
[17:27:13.530]             }
[17:27:13.530]         }))
[17:27:13.530]     }, error = function(ex) {
[17:27:13.530]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:13.530]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.530]                 ...future.rng), started = ...future.startTime, 
[17:27:13.530]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:13.530]             version = "1.8"), class = "FutureResult")
[17:27:13.530]     }, finally = {
[17:27:13.530]         if (!identical(...future.workdir, getwd())) 
[17:27:13.530]             setwd(...future.workdir)
[17:27:13.530]         {
[17:27:13.530]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:13.530]                 ...future.oldOptions$nwarnings <- NULL
[17:27:13.530]             }
[17:27:13.530]             base::options(...future.oldOptions)
[17:27:13.530]             if (.Platform$OS.type == "windows") {
[17:27:13.530]                 old_names <- names(...future.oldEnvVars)
[17:27:13.530]                 envs <- base::Sys.getenv()
[17:27:13.530]                 names <- names(envs)
[17:27:13.530]                 common <- intersect(names, old_names)
[17:27:13.530]                 added <- setdiff(names, old_names)
[17:27:13.530]                 removed <- setdiff(old_names, names)
[17:27:13.530]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:13.530]                   envs[common]]
[17:27:13.530]                 NAMES <- toupper(changed)
[17:27:13.530]                 args <- list()
[17:27:13.530]                 for (kk in seq_along(NAMES)) {
[17:27:13.530]                   name <- changed[[kk]]
[17:27:13.530]                   NAME <- NAMES[[kk]]
[17:27:13.530]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.530]                     next
[17:27:13.530]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.530]                 }
[17:27:13.530]                 NAMES <- toupper(added)
[17:27:13.530]                 for (kk in seq_along(NAMES)) {
[17:27:13.530]                   name <- added[[kk]]
[17:27:13.530]                   NAME <- NAMES[[kk]]
[17:27:13.530]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.530]                     next
[17:27:13.530]                   args[[name]] <- ""
[17:27:13.530]                 }
[17:27:13.530]                 NAMES <- toupper(removed)
[17:27:13.530]                 for (kk in seq_along(NAMES)) {
[17:27:13.530]                   name <- removed[[kk]]
[17:27:13.530]                   NAME <- NAMES[[kk]]
[17:27:13.530]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.530]                     next
[17:27:13.530]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.530]                 }
[17:27:13.530]                 if (length(args) > 0) 
[17:27:13.530]                   base::do.call(base::Sys.setenv, args = args)
[17:27:13.530]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:13.530]             }
[17:27:13.530]             else {
[17:27:13.530]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:13.530]             }
[17:27:13.530]             {
[17:27:13.530]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:13.530]                   0L) {
[17:27:13.530]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:13.530]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:13.530]                   base::options(opts)
[17:27:13.530]                 }
[17:27:13.530]                 {
[17:27:13.530]                   {
[17:27:13.530]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:13.530]                     NULL
[17:27:13.530]                   }
[17:27:13.530]                   options(future.plan = NULL)
[17:27:13.530]                   if (is.na(NA_character_)) 
[17:27:13.530]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.530]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:13.530]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:13.530]                     .init = FALSE)
[17:27:13.530]                 }
[17:27:13.530]             }
[17:27:13.530]         }
[17:27:13.530]     })
[17:27:13.530]     if (TRUE) {
[17:27:13.530]         base::sink(type = "output", split = FALSE)
[17:27:13.530]         if (TRUE) {
[17:27:13.530]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:13.530]         }
[17:27:13.530]         else {
[17:27:13.530]             ...future.result["stdout"] <- base::list(NULL)
[17:27:13.530]         }
[17:27:13.530]         base::close(...future.stdout)
[17:27:13.530]         ...future.stdout <- NULL
[17:27:13.530]     }
[17:27:13.530]     ...future.result$conditions <- ...future.conditions
[17:27:13.530]     ...future.result$finished <- base::Sys.time()
[17:27:13.530]     ...future.result
[17:27:13.530] }
[17:27:13.535] Exporting 1 global objects (1.59 MiB) to cluster node #1 ...
[17:27:13.537] Exporting 'f1' (1.59 MiB) to cluster node #1 ...
[17:27:13.548] Exporting 'f1' (1.59 MiB) to cluster node #1 ... DONE
[17:27:13.548] Exporting 1 global objects (1.59 MiB) to cluster node #1 ... DONE
[17:27:13.549] MultisessionFuture started
[17:27:13.549] - Launch lazy future ... done
[17:27:13.549] run() for 'MultisessionFuture' ... done
> stopifnot(inherits(f4, "MultisessionFuture"))
> cat(sprintf("Future #4 session: %d\n", f4$node))
Future #4 session: 1
> v4 <- value(f4)
[17:27:13.549] result() for ClusterFuture ...
[17:27:13.549] receiveMessageFromWorker() for ClusterFuture ...
[17:27:13.550] - Validating connection of MultisessionFuture
[17:27:13.565] - received message: FutureResult
[17:27:13.565] - Received FutureResult
[17:27:13.565] - Erased future from FutureRegistry
[17:27:13.565] result() for ClusterFuture ...
[17:27:13.565] - result already collected: FutureResult
[17:27:13.566] result() for ClusterFuture ... done
[17:27:13.566] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:13.566] result() for ClusterFuture ... done
[17:27:13.566] result() for ClusterFuture ...
[17:27:13.566] - result already collected: FutureResult
[17:27:13.566] result() for ClusterFuture ... done
> cat(sprintf("Future #4 owner: %s\n", v4))
Future #4 owner: 4477bd64-8237-d939-32d3-b7829e37759b
> stopifnot(v4 == session_uuid)
> 
> message("Creating future #5:")
Creating future #5:
> f5 <- future({ stopifnot(f1$owner != future:::session_uuid(attributes = TRUE)); "not-owner" })
[17:27:13.567] getGlobalsAndPackages() ...
[17:27:13.567] Searching for globals...
[17:27:13.569] - globals found: [6] '{', 'stopifnot', '!=', '$', 'f1', ':::'
[17:27:13.569] Searching for globals ... DONE
[17:27:13.569] Resolving globals: FALSE
[17:27:13.572] The total size of the 1 globals is 1.59 MiB (1665104 bytes)
[17:27:13.573] The total size of the 1 globals exported for future expression ('{; stopifnot(f1$owner != future:::session_uuid(attributes = TRUE)); "not-owner"; }') is 1.59 MiB.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'f1' (1.59 MiB of class 'environment')
[17:27:13.573] - globals: [1] 'f1'
[17:27:13.573] 
[17:27:13.573] getGlobalsAndPackages() ... DONE
[17:27:13.573] run() for 'Future' ...
[17:27:13.574] - state: 'created'
[17:27:13.574] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:13.586] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:13.586] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:13.586]   - Field: 'node'
[17:27:13.586]   - Field: 'label'
[17:27:13.587]   - Field: 'local'
[17:27:13.587]   - Field: 'owner'
[17:27:13.587]   - Field: 'envir'
[17:27:13.587]   - Field: 'workers'
[17:27:13.587]   - Field: 'packages'
[17:27:13.588]   - Field: 'gc'
[17:27:13.588]   - Field: 'conditions'
[17:27:13.588]   - Field: 'persistent'
[17:27:13.588]   - Field: 'expr'
[17:27:13.588]   - Field: 'uuid'
[17:27:13.588]   - Field: 'seed'
[17:27:13.589]   - Field: 'version'
[17:27:13.589]   - Field: 'result'
[17:27:13.589]   - Field: 'asynchronous'
[17:27:13.589]   - Field: 'calls'
[17:27:13.589]   - Field: 'globals'
[17:27:13.590]   - Field: 'stdout'
[17:27:13.590]   - Field: 'earlySignal'
[17:27:13.590]   - Field: 'lazy'
[17:27:13.590]   - Field: 'state'
[17:27:13.590] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:13.590] - Launch lazy future ...
[17:27:13.591] Packages needed by the future expression (n = 0): <none>
[17:27:13.591] Packages needed by future strategies (n = 0): <none>
[17:27:13.592] {
[17:27:13.592]     {
[17:27:13.592]         {
[17:27:13.592]             ...future.startTime <- base::Sys.time()
[17:27:13.592]             {
[17:27:13.592]                 {
[17:27:13.592]                   {
[17:27:13.592]                     {
[17:27:13.592]                       base::local({
[17:27:13.592]                         has_future <- base::requireNamespace("future", 
[17:27:13.592]                           quietly = TRUE)
[17:27:13.592]                         if (has_future) {
[17:27:13.592]                           ns <- base::getNamespace("future")
[17:27:13.592]                           version <- ns[[".package"]][["version"]]
[17:27:13.592]                           if (is.null(version)) 
[17:27:13.592]                             version <- utils::packageVersion("future")
[17:27:13.592]                         }
[17:27:13.592]                         else {
[17:27:13.592]                           version <- NULL
[17:27:13.592]                         }
[17:27:13.592]                         if (!has_future || version < "1.8.0") {
[17:27:13.592]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:13.592]                             "", base::R.version$version.string), 
[17:27:13.592]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:13.592]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:13.592]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:13.592]                               "release", "version")], collapse = " "), 
[17:27:13.592]                             hostname = base::Sys.info()[["nodename"]])
[17:27:13.592]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:13.592]                             info)
[17:27:13.592]                           info <- base::paste(info, collapse = "; ")
[17:27:13.592]                           if (!has_future) {
[17:27:13.592]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:13.592]                               info)
[17:27:13.592]                           }
[17:27:13.592]                           else {
[17:27:13.592]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:13.592]                               info, version)
[17:27:13.592]                           }
[17:27:13.592]                           base::stop(msg)
[17:27:13.592]                         }
[17:27:13.592]                       })
[17:27:13.592]                     }
[17:27:13.592]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:13.592]                     base::options(mc.cores = 1L)
[17:27:13.592]                   }
[17:27:13.592]                   ...future.strategy.old <- future::plan("list")
[17:27:13.592]                   options(future.plan = NULL)
[17:27:13.592]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.592]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:13.592]                 }
[17:27:13.592]                 ...future.workdir <- getwd()
[17:27:13.592]             }
[17:27:13.592]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:13.592]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:13.592]         }
[17:27:13.592]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:13.592]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:13.592]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:13.592]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:13.592]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:13.592]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:13.592]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:13.592]             base::names(...future.oldOptions))
[17:27:13.592]     }
[17:27:13.592]     if (FALSE) {
[17:27:13.592]     }
[17:27:13.592]     else {
[17:27:13.592]         if (TRUE) {
[17:27:13.592]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:13.592]                 open = "w")
[17:27:13.592]         }
[17:27:13.592]         else {
[17:27:13.592]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:13.592]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:13.592]         }
[17:27:13.592]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:13.592]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:13.592]             base::sink(type = "output", split = FALSE)
[17:27:13.592]             base::close(...future.stdout)
[17:27:13.592]         }, add = TRUE)
[17:27:13.592]     }
[17:27:13.592]     ...future.frame <- base::sys.nframe()
[17:27:13.592]     ...future.conditions <- base::list()
[17:27:13.592]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:13.592]     if (FALSE) {
[17:27:13.592]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:13.592]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:13.592]     }
[17:27:13.592]     ...future.result <- base::tryCatch({
[17:27:13.592]         base::withCallingHandlers({
[17:27:13.592]             ...future.value <- base::withVisible(base::local({
[17:27:13.592]                 ...future.makeSendCondition <- base::local({
[17:27:13.592]                   sendCondition <- NULL
[17:27:13.592]                   function(frame = 1L) {
[17:27:13.592]                     if (is.function(sendCondition)) 
[17:27:13.592]                       return(sendCondition)
[17:27:13.592]                     ns <- getNamespace("parallel")
[17:27:13.592]                     if (exists("sendData", mode = "function", 
[17:27:13.592]                       envir = ns)) {
[17:27:13.592]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:13.592]                         envir = ns)
[17:27:13.592]                       envir <- sys.frame(frame)
[17:27:13.592]                       master <- NULL
[17:27:13.592]                       while (!identical(envir, .GlobalEnv) && 
[17:27:13.592]                         !identical(envir, emptyenv())) {
[17:27:13.592]                         if (exists("master", mode = "list", envir = envir, 
[17:27:13.592]                           inherits = FALSE)) {
[17:27:13.592]                           master <- get("master", mode = "list", 
[17:27:13.592]                             envir = envir, inherits = FALSE)
[17:27:13.592]                           if (inherits(master, c("SOCKnode", 
[17:27:13.592]                             "SOCK0node"))) {
[17:27:13.592]                             sendCondition <<- function(cond) {
[17:27:13.592]                               data <- list(type = "VALUE", value = cond, 
[17:27:13.592]                                 success = TRUE)
[17:27:13.592]                               parallel_sendData(master, data)
[17:27:13.592]                             }
[17:27:13.592]                             return(sendCondition)
[17:27:13.592]                           }
[17:27:13.592]                         }
[17:27:13.592]                         frame <- frame + 1L
[17:27:13.592]                         envir <- sys.frame(frame)
[17:27:13.592]                       }
[17:27:13.592]                     }
[17:27:13.592]                     sendCondition <<- function(cond) NULL
[17:27:13.592]                   }
[17:27:13.592]                 })
[17:27:13.592]                 withCallingHandlers({
[17:27:13.592]                   {
[17:27:13.592]                     stopifnot(f1$owner != future:::session_uuid(attributes = TRUE))
[17:27:13.592]                     "not-owner"
[17:27:13.592]                   }
[17:27:13.592]                 }, immediateCondition = function(cond) {
[17:27:13.592]                   sendCondition <- ...future.makeSendCondition()
[17:27:13.592]                   sendCondition(cond)
[17:27:13.592]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.592]                   {
[17:27:13.592]                     inherits <- base::inherits
[17:27:13.592]                     invokeRestart <- base::invokeRestart
[17:27:13.592]                     is.null <- base::is.null
[17:27:13.592]                     muffled <- FALSE
[17:27:13.592]                     if (inherits(cond, "message")) {
[17:27:13.592]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:13.592]                       if (muffled) 
[17:27:13.592]                         invokeRestart("muffleMessage")
[17:27:13.592]                     }
[17:27:13.592]                     else if (inherits(cond, "warning")) {
[17:27:13.592]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:13.592]                       if (muffled) 
[17:27:13.592]                         invokeRestart("muffleWarning")
[17:27:13.592]                     }
[17:27:13.592]                     else if (inherits(cond, "condition")) {
[17:27:13.592]                       if (!is.null(pattern)) {
[17:27:13.592]                         computeRestarts <- base::computeRestarts
[17:27:13.592]                         grepl <- base::grepl
[17:27:13.592]                         restarts <- computeRestarts(cond)
[17:27:13.592]                         for (restart in restarts) {
[17:27:13.592]                           name <- restart$name
[17:27:13.592]                           if (is.null(name)) 
[17:27:13.592]                             next
[17:27:13.592]                           if (!grepl(pattern, name)) 
[17:27:13.592]                             next
[17:27:13.592]                           invokeRestart(restart)
[17:27:13.592]                           muffled <- TRUE
[17:27:13.592]                           break
[17:27:13.592]                         }
[17:27:13.592]                       }
[17:27:13.592]                     }
[17:27:13.592]                     invisible(muffled)
[17:27:13.592]                   }
[17:27:13.592]                   muffleCondition(cond)
[17:27:13.592]                 })
[17:27:13.592]             }))
[17:27:13.592]             future::FutureResult(value = ...future.value$value, 
[17:27:13.592]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.592]                   ...future.rng), globalenv = if (FALSE) 
[17:27:13.592]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:13.592]                     ...future.globalenv.names))
[17:27:13.592]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:13.592]         }, condition = base::local({
[17:27:13.592]             c <- base::c
[17:27:13.592]             inherits <- base::inherits
[17:27:13.592]             invokeRestart <- base::invokeRestart
[17:27:13.592]             length <- base::length
[17:27:13.592]             list <- base::list
[17:27:13.592]             seq.int <- base::seq.int
[17:27:13.592]             signalCondition <- base::signalCondition
[17:27:13.592]             sys.calls <- base::sys.calls
[17:27:13.592]             `[[` <- base::`[[`
[17:27:13.592]             `+` <- base::`+`
[17:27:13.592]             `<<-` <- base::`<<-`
[17:27:13.592]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:13.592]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:13.592]                   3L)]
[17:27:13.592]             }
[17:27:13.592]             function(cond) {
[17:27:13.592]                 is_error <- inherits(cond, "error")
[17:27:13.592]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:13.592]                   NULL)
[17:27:13.592]                 if (is_error) {
[17:27:13.592]                   sessionInformation <- function() {
[17:27:13.592]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:13.592]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:13.592]                       search = base::search(), system = base::Sys.info())
[17:27:13.592]                   }
[17:27:13.592]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.592]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:13.592]                     cond$call), session = sessionInformation(), 
[17:27:13.592]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:13.592]                   signalCondition(cond)
[17:27:13.592]                 }
[17:27:13.592]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:13.592]                 "immediateCondition"))) {
[17:27:13.592]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:13.592]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.592]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:13.592]                   if (TRUE && !signal) {
[17:27:13.592]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.592]                     {
[17:27:13.592]                       inherits <- base::inherits
[17:27:13.592]                       invokeRestart <- base::invokeRestart
[17:27:13.592]                       is.null <- base::is.null
[17:27:13.592]                       muffled <- FALSE
[17:27:13.592]                       if (inherits(cond, "message")) {
[17:27:13.592]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.592]                         if (muffled) 
[17:27:13.592]                           invokeRestart("muffleMessage")
[17:27:13.592]                       }
[17:27:13.592]                       else if (inherits(cond, "warning")) {
[17:27:13.592]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.592]                         if (muffled) 
[17:27:13.592]                           invokeRestart("muffleWarning")
[17:27:13.592]                       }
[17:27:13.592]                       else if (inherits(cond, "condition")) {
[17:27:13.592]                         if (!is.null(pattern)) {
[17:27:13.592]                           computeRestarts <- base::computeRestarts
[17:27:13.592]                           grepl <- base::grepl
[17:27:13.592]                           restarts <- computeRestarts(cond)
[17:27:13.592]                           for (restart in restarts) {
[17:27:13.592]                             name <- restart$name
[17:27:13.592]                             if (is.null(name)) 
[17:27:13.592]                               next
[17:27:13.592]                             if (!grepl(pattern, name)) 
[17:27:13.592]                               next
[17:27:13.592]                             invokeRestart(restart)
[17:27:13.592]                             muffled <- TRUE
[17:27:13.592]                             break
[17:27:13.592]                           }
[17:27:13.592]                         }
[17:27:13.592]                       }
[17:27:13.592]                       invisible(muffled)
[17:27:13.592]                     }
[17:27:13.592]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.592]                   }
[17:27:13.592]                 }
[17:27:13.592]                 else {
[17:27:13.592]                   if (TRUE) {
[17:27:13.592]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.592]                     {
[17:27:13.592]                       inherits <- base::inherits
[17:27:13.592]                       invokeRestart <- base::invokeRestart
[17:27:13.592]                       is.null <- base::is.null
[17:27:13.592]                       muffled <- FALSE
[17:27:13.592]                       if (inherits(cond, "message")) {
[17:27:13.592]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.592]                         if (muffled) 
[17:27:13.592]                           invokeRestart("muffleMessage")
[17:27:13.592]                       }
[17:27:13.592]                       else if (inherits(cond, "warning")) {
[17:27:13.592]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.592]                         if (muffled) 
[17:27:13.592]                           invokeRestart("muffleWarning")
[17:27:13.592]                       }
[17:27:13.592]                       else if (inherits(cond, "condition")) {
[17:27:13.592]                         if (!is.null(pattern)) {
[17:27:13.592]                           computeRestarts <- base::computeRestarts
[17:27:13.592]                           grepl <- base::grepl
[17:27:13.592]                           restarts <- computeRestarts(cond)
[17:27:13.592]                           for (restart in restarts) {
[17:27:13.592]                             name <- restart$name
[17:27:13.592]                             if (is.null(name)) 
[17:27:13.592]                               next
[17:27:13.592]                             if (!grepl(pattern, name)) 
[17:27:13.592]                               next
[17:27:13.592]                             invokeRestart(restart)
[17:27:13.592]                             muffled <- TRUE
[17:27:13.592]                             break
[17:27:13.592]                           }
[17:27:13.592]                         }
[17:27:13.592]                       }
[17:27:13.592]                       invisible(muffled)
[17:27:13.592]                     }
[17:27:13.592]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.592]                   }
[17:27:13.592]                 }
[17:27:13.592]             }
[17:27:13.592]         }))
[17:27:13.592]     }, error = function(ex) {
[17:27:13.592]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:13.592]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.592]                 ...future.rng), started = ...future.startTime, 
[17:27:13.592]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:13.592]             version = "1.8"), class = "FutureResult")
[17:27:13.592]     }, finally = {
[17:27:13.592]         if (!identical(...future.workdir, getwd())) 
[17:27:13.592]             setwd(...future.workdir)
[17:27:13.592]         {
[17:27:13.592]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:13.592]                 ...future.oldOptions$nwarnings <- NULL
[17:27:13.592]             }
[17:27:13.592]             base::options(...future.oldOptions)
[17:27:13.592]             if (.Platform$OS.type == "windows") {
[17:27:13.592]                 old_names <- names(...future.oldEnvVars)
[17:27:13.592]                 envs <- base::Sys.getenv()
[17:27:13.592]                 names <- names(envs)
[17:27:13.592]                 common <- intersect(names, old_names)
[17:27:13.592]                 added <- setdiff(names, old_names)
[17:27:13.592]                 removed <- setdiff(old_names, names)
[17:27:13.592]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:13.592]                   envs[common]]
[17:27:13.592]                 NAMES <- toupper(changed)
[17:27:13.592]                 args <- list()
[17:27:13.592]                 for (kk in seq_along(NAMES)) {
[17:27:13.592]                   name <- changed[[kk]]
[17:27:13.592]                   NAME <- NAMES[[kk]]
[17:27:13.592]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.592]                     next
[17:27:13.592]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.592]                 }
[17:27:13.592]                 NAMES <- toupper(added)
[17:27:13.592]                 for (kk in seq_along(NAMES)) {
[17:27:13.592]                   name <- added[[kk]]
[17:27:13.592]                   NAME <- NAMES[[kk]]
[17:27:13.592]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.592]                     next
[17:27:13.592]                   args[[name]] <- ""
[17:27:13.592]                 }
[17:27:13.592]                 NAMES <- toupper(removed)
[17:27:13.592]                 for (kk in seq_along(NAMES)) {
[17:27:13.592]                   name <- removed[[kk]]
[17:27:13.592]                   NAME <- NAMES[[kk]]
[17:27:13.592]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.592]                     next
[17:27:13.592]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.592]                 }
[17:27:13.592]                 if (length(args) > 0) 
[17:27:13.592]                   base::do.call(base::Sys.setenv, args = args)
[17:27:13.592]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:13.592]             }
[17:27:13.592]             else {
[17:27:13.592]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:13.592]             }
[17:27:13.592]             {
[17:27:13.592]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:13.592]                   0L) {
[17:27:13.592]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:13.592]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:13.592]                   base::options(opts)
[17:27:13.592]                 }
[17:27:13.592]                 {
[17:27:13.592]                   {
[17:27:13.592]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:13.592]                     NULL
[17:27:13.592]                   }
[17:27:13.592]                   options(future.plan = NULL)
[17:27:13.592]                   if (is.na(NA_character_)) 
[17:27:13.592]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.592]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:13.592]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:13.592]                     .init = FALSE)
[17:27:13.592]                 }
[17:27:13.592]             }
[17:27:13.592]         }
[17:27:13.592]     })
[17:27:13.592]     if (TRUE) {
[17:27:13.592]         base::sink(type = "output", split = FALSE)
[17:27:13.592]         if (TRUE) {
[17:27:13.592]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:13.592]         }
[17:27:13.592]         else {
[17:27:13.592]             ...future.result["stdout"] <- base::list(NULL)
[17:27:13.592]         }
[17:27:13.592]         base::close(...future.stdout)
[17:27:13.592]         ...future.stdout <- NULL
[17:27:13.592]     }
[17:27:13.592]     ...future.result$conditions <- ...future.conditions
[17:27:13.592]     ...future.result$finished <- base::Sys.time()
[17:27:13.592]     ...future.result
[17:27:13.592] }
[17:27:13.597] Exporting 1 global objects (1.59 MiB) to cluster node #1 ...
[17:27:13.599] Exporting 'f1' (1.59 MiB) to cluster node #1 ...
[17:27:13.610] Exporting 'f1' (1.59 MiB) to cluster node #1 ... DONE
[17:27:13.610] Exporting 1 global objects (1.59 MiB) to cluster node #1 ... DONE
[17:27:13.611] MultisessionFuture started
[17:27:13.611] - Launch lazy future ... done
[17:27:13.611] run() for 'MultisessionFuture' ... done
> stopifnot(inherits(f5, "MultisessionFuture"))
> v5 <- value(f5)
[17:27:13.611] result() for ClusterFuture ...
[17:27:13.611] receiveMessageFromWorker() for ClusterFuture ...
[17:27:13.612] - Validating connection of MultisessionFuture
[17:27:13.624] - received message: FutureResult
[17:27:13.625] - Received FutureResult
[17:27:13.625] - Erased future from FutureRegistry
[17:27:13.625] result() for ClusterFuture ...
[17:27:13.625] - result already collected: FutureResult
[17:27:13.625] result() for ClusterFuture ... done
[17:27:13.625] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:13.626] result() for ClusterFuture ... done
[17:27:13.626] result() for ClusterFuture ...
[17:27:13.626] - result already collected: FutureResult
[17:27:13.626] 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 })
[17:27:13.627] getGlobalsAndPackages() ...
[17:27:13.627] Searching for globals...
[17:27:13.627] - globals found: [1] '{'
[17:27:13.628] Searching for globals ... DONE
[17:27:13.628] Resolving globals: FALSE
[17:27:13.628] 
[17:27:13.628] 
[17:27:13.629] getGlobalsAndPackages() ... DONE
[17:27:13.629] run() for 'Future' ...
[17:27:13.629] - state: 'created'
[17:27:13.629] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:13.643] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:13.643] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:13.643]   - Field: 'node'
[17:27:13.644]   - Field: 'label'
[17:27:13.644]   - Field: 'local'
[17:27:13.644]   - Field: 'owner'
[17:27:13.644]   - Field: 'envir'
[17:27:13.644]   - Field: 'workers'
[17:27:13.645]   - Field: 'packages'
[17:27:13.645]   - Field: 'gc'
[17:27:13.645]   - Field: 'conditions'
[17:27:13.645]   - Field: 'persistent'
[17:27:13.645]   - Field: 'expr'
[17:27:13.645]   - Field: 'uuid'
[17:27:13.646]   - Field: 'seed'
[17:27:13.646]   - Field: 'version'
[17:27:13.646]   - Field: 'result'
[17:27:13.646]   - Field: 'asynchronous'
[17:27:13.646]   - Field: 'calls'
[17:27:13.646]   - Field: 'globals'
[17:27:13.647]   - Field: 'stdout'
[17:27:13.647]   - Field: 'earlySignal'
[17:27:13.647]   - Field: 'lazy'
[17:27:13.647]   - Field: 'state'
[17:27:13.647] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:13.647] - Launch lazy future ...
[17:27:13.648] Packages needed by the future expression (n = 0): <none>
[17:27:13.648] Packages needed by future strategies (n = 0): <none>
[17:27:13.649] {
[17:27:13.649]     {
[17:27:13.649]         {
[17:27:13.649]             ...future.startTime <- base::Sys.time()
[17:27:13.649]             {
[17:27:13.649]                 {
[17:27:13.649]                   {
[17:27:13.649]                     {
[17:27:13.649]                       base::local({
[17:27:13.649]                         has_future <- base::requireNamespace("future", 
[17:27:13.649]                           quietly = TRUE)
[17:27:13.649]                         if (has_future) {
[17:27:13.649]                           ns <- base::getNamespace("future")
[17:27:13.649]                           version <- ns[[".package"]][["version"]]
[17:27:13.649]                           if (is.null(version)) 
[17:27:13.649]                             version <- utils::packageVersion("future")
[17:27:13.649]                         }
[17:27:13.649]                         else {
[17:27:13.649]                           version <- NULL
[17:27:13.649]                         }
[17:27:13.649]                         if (!has_future || version < "1.8.0") {
[17:27:13.649]                           info <- base::c(r_version = base::gsub("R version ", 
[17:27:13.649]                             "", base::R.version$version.string), 
[17:27:13.649]                             platform = base::sprintf("%s (%s-bit)", 
[17:27:13.649]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:27:13.649]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:13.649]                               "release", "version")], collapse = " "), 
[17:27:13.649]                             hostname = base::Sys.info()[["nodename"]])
[17:27:13.649]                           info <- base::sprintf("%s: %s", base::names(info), 
[17:27:13.649]                             info)
[17:27:13.649]                           info <- base::paste(info, collapse = "; ")
[17:27:13.649]                           if (!has_future) {
[17:27:13.649]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:13.649]                               info)
[17:27:13.649]                           }
[17:27:13.649]                           else {
[17:27:13.649]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:13.649]                               info, version)
[17:27:13.649]                           }
[17:27:13.649]                           base::stop(msg)
[17:27:13.649]                         }
[17:27:13.649]                       })
[17:27:13.649]                     }
[17:27:13.649]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:13.649]                     base::options(mc.cores = 1L)
[17:27:13.649]                   }
[17:27:13.649]                   ...future.strategy.old <- future::plan("list")
[17:27:13.649]                   options(future.plan = NULL)
[17:27:13.649]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.649]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:13.649]                 }
[17:27:13.649]                 ...future.workdir <- getwd()
[17:27:13.649]             }
[17:27:13.649]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:13.649]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:13.649]         }
[17:27:13.649]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:13.649]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:13.649]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:13.649]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:13.649]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:13.649]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:13.649]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:13.649]             base::names(...future.oldOptions))
[17:27:13.649]     }
[17:27:13.649]     if (FALSE) {
[17:27:13.649]     }
[17:27:13.649]     else {
[17:27:13.649]         if (TRUE) {
[17:27:13.649]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:13.649]                 open = "w")
[17:27:13.649]         }
[17:27:13.649]         else {
[17:27:13.649]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:13.649]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:13.649]         }
[17:27:13.649]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:13.649]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:13.649]             base::sink(type = "output", split = FALSE)
[17:27:13.649]             base::close(...future.stdout)
[17:27:13.649]         }, add = TRUE)
[17:27:13.649]     }
[17:27:13.649]     ...future.frame <- base::sys.nframe()
[17:27:13.649]     ...future.conditions <- base::list()
[17:27:13.649]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:13.649]     if (FALSE) {
[17:27:13.649]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:13.649]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:13.649]     }
[17:27:13.649]     ...future.result <- base::tryCatch({
[17:27:13.649]         base::withCallingHandlers({
[17:27:13.649]             ...future.value <- base::withVisible(base::local({
[17:27:13.649]                 ...future.makeSendCondition <- base::local({
[17:27:13.649]                   sendCondition <- NULL
[17:27:13.649]                   function(frame = 1L) {
[17:27:13.649]                     if (is.function(sendCondition)) 
[17:27:13.649]                       return(sendCondition)
[17:27:13.649]                     ns <- getNamespace("parallel")
[17:27:13.649]                     if (exists("sendData", mode = "function", 
[17:27:13.649]                       envir = ns)) {
[17:27:13.649]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:13.649]                         envir = ns)
[17:27:13.649]                       envir <- sys.frame(frame)
[17:27:13.649]                       master <- NULL
[17:27:13.649]                       while (!identical(envir, .GlobalEnv) && 
[17:27:13.649]                         !identical(envir, emptyenv())) {
[17:27:13.649]                         if (exists("master", mode = "list", envir = envir, 
[17:27:13.649]                           inherits = FALSE)) {
[17:27:13.649]                           master <- get("master", mode = "list", 
[17:27:13.649]                             envir = envir, inherits = FALSE)
[17:27:13.649]                           if (inherits(master, c("SOCKnode", 
[17:27:13.649]                             "SOCK0node"))) {
[17:27:13.649]                             sendCondition <<- function(cond) {
[17:27:13.649]                               data <- list(type = "VALUE", value = cond, 
[17:27:13.649]                                 success = TRUE)
[17:27:13.649]                               parallel_sendData(master, data)
[17:27:13.649]                             }
[17:27:13.649]                             return(sendCondition)
[17:27:13.649]                           }
[17:27:13.649]                         }
[17:27:13.649]                         frame <- frame + 1L
[17:27:13.649]                         envir <- sys.frame(frame)
[17:27:13.649]                       }
[17:27:13.649]                     }
[17:27:13.649]                     sendCondition <<- function(cond) NULL
[17:27:13.649]                   }
[17:27:13.649]                 })
[17:27:13.649]                 withCallingHandlers({
[17:27:13.649]                   {
[17:27:13.649]                     42L
[17:27:13.649]                   }
[17:27:13.649]                 }, immediateCondition = function(cond) {
[17:27:13.649]                   sendCondition <- ...future.makeSendCondition()
[17:27:13.649]                   sendCondition(cond)
[17:27:13.649]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.649]                   {
[17:27:13.649]                     inherits <- base::inherits
[17:27:13.649]                     invokeRestart <- base::invokeRestart
[17:27:13.649]                     is.null <- base::is.null
[17:27:13.649]                     muffled <- FALSE
[17:27:13.649]                     if (inherits(cond, "message")) {
[17:27:13.649]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:13.649]                       if (muffled) 
[17:27:13.649]                         invokeRestart("muffleMessage")
[17:27:13.649]                     }
[17:27:13.649]                     else if (inherits(cond, "warning")) {
[17:27:13.649]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:13.649]                       if (muffled) 
[17:27:13.649]                         invokeRestart("muffleWarning")
[17:27:13.649]                     }
[17:27:13.649]                     else if (inherits(cond, "condition")) {
[17:27:13.649]                       if (!is.null(pattern)) {
[17:27:13.649]                         computeRestarts <- base::computeRestarts
[17:27:13.649]                         grepl <- base::grepl
[17:27:13.649]                         restarts <- computeRestarts(cond)
[17:27:13.649]                         for (restart in restarts) {
[17:27:13.649]                           name <- restart$name
[17:27:13.649]                           if (is.null(name)) 
[17:27:13.649]                             next
[17:27:13.649]                           if (!grepl(pattern, name)) 
[17:27:13.649]                             next
[17:27:13.649]                           invokeRestart(restart)
[17:27:13.649]                           muffled <- TRUE
[17:27:13.649]                           break
[17:27:13.649]                         }
[17:27:13.649]                       }
[17:27:13.649]                     }
[17:27:13.649]                     invisible(muffled)
[17:27:13.649]                   }
[17:27:13.649]                   muffleCondition(cond)
[17:27:13.649]                 })
[17:27:13.649]             }))
[17:27:13.649]             future::FutureResult(value = ...future.value$value, 
[17:27:13.649]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.649]                   ...future.rng), globalenv = if (FALSE) 
[17:27:13.649]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:13.649]                     ...future.globalenv.names))
[17:27:13.649]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:13.649]         }, condition = base::local({
[17:27:13.649]             c <- base::c
[17:27:13.649]             inherits <- base::inherits
[17:27:13.649]             invokeRestart <- base::invokeRestart
[17:27:13.649]             length <- base::length
[17:27:13.649]             list <- base::list
[17:27:13.649]             seq.int <- base::seq.int
[17:27:13.649]             signalCondition <- base::signalCondition
[17:27:13.649]             sys.calls <- base::sys.calls
[17:27:13.649]             `[[` <- base::`[[`
[17:27:13.649]             `+` <- base::`+`
[17:27:13.649]             `<<-` <- base::`<<-`
[17:27:13.649]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:13.649]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:13.649]                   3L)]
[17:27:13.649]             }
[17:27:13.649]             function(cond) {
[17:27:13.649]                 is_error <- inherits(cond, "error")
[17:27:13.649]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:13.649]                   NULL)
[17:27:13.649]                 if (is_error) {
[17:27:13.649]                   sessionInformation <- function() {
[17:27:13.649]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:13.649]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:13.649]                       search = base::search(), system = base::Sys.info())
[17:27:13.649]                   }
[17:27:13.649]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.649]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:13.649]                     cond$call), session = sessionInformation(), 
[17:27:13.649]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:13.649]                   signalCondition(cond)
[17:27:13.649]                 }
[17:27:13.649]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:13.649]                 "immediateCondition"))) {
[17:27:13.649]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:13.649]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.649]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:13.649]                   if (TRUE && !signal) {
[17:27:13.649]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.649]                     {
[17:27:13.649]                       inherits <- base::inherits
[17:27:13.649]                       invokeRestart <- base::invokeRestart
[17:27:13.649]                       is.null <- base::is.null
[17:27:13.649]                       muffled <- FALSE
[17:27:13.649]                       if (inherits(cond, "message")) {
[17:27:13.649]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.649]                         if (muffled) 
[17:27:13.649]                           invokeRestart("muffleMessage")
[17:27:13.649]                       }
[17:27:13.649]                       else if (inherits(cond, "warning")) {
[17:27:13.649]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.649]                         if (muffled) 
[17:27:13.649]                           invokeRestart("muffleWarning")
[17:27:13.649]                       }
[17:27:13.649]                       else if (inherits(cond, "condition")) {
[17:27:13.649]                         if (!is.null(pattern)) {
[17:27:13.649]                           computeRestarts <- base::computeRestarts
[17:27:13.649]                           grepl <- base::grepl
[17:27:13.649]                           restarts <- computeRestarts(cond)
[17:27:13.649]                           for (restart in restarts) {
[17:27:13.649]                             name <- restart$name
[17:27:13.649]                             if (is.null(name)) 
[17:27:13.649]                               next
[17:27:13.649]                             if (!grepl(pattern, name)) 
[17:27:13.649]                               next
[17:27:13.649]                             invokeRestart(restart)
[17:27:13.649]                             muffled <- TRUE
[17:27:13.649]                             break
[17:27:13.649]                           }
[17:27:13.649]                         }
[17:27:13.649]                       }
[17:27:13.649]                       invisible(muffled)
[17:27:13.649]                     }
[17:27:13.649]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.649]                   }
[17:27:13.649]                 }
[17:27:13.649]                 else {
[17:27:13.649]                   if (TRUE) {
[17:27:13.649]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.649]                     {
[17:27:13.649]                       inherits <- base::inherits
[17:27:13.649]                       invokeRestart <- base::invokeRestart
[17:27:13.649]                       is.null <- base::is.null
[17:27:13.649]                       muffled <- FALSE
[17:27:13.649]                       if (inherits(cond, "message")) {
[17:27:13.649]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.649]                         if (muffled) 
[17:27:13.649]                           invokeRestart("muffleMessage")
[17:27:13.649]                       }
[17:27:13.649]                       else if (inherits(cond, "warning")) {
[17:27:13.649]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.649]                         if (muffled) 
[17:27:13.649]                           invokeRestart("muffleWarning")
[17:27:13.649]                       }
[17:27:13.649]                       else if (inherits(cond, "condition")) {
[17:27:13.649]                         if (!is.null(pattern)) {
[17:27:13.649]                           computeRestarts <- base::computeRestarts
[17:27:13.649]                           grepl <- base::grepl
[17:27:13.649]                           restarts <- computeRestarts(cond)
[17:27:13.649]                           for (restart in restarts) {
[17:27:13.649]                             name <- restart$name
[17:27:13.649]                             if (is.null(name)) 
[17:27:13.649]                               next
[17:27:13.649]                             if (!grepl(pattern, name)) 
[17:27:13.649]                               next
[17:27:13.649]                             invokeRestart(restart)
[17:27:13.649]                             muffled <- TRUE
[17:27:13.649]                             break
[17:27:13.649]                           }
[17:27:13.649]                         }
[17:27:13.649]                       }
[17:27:13.649]                       invisible(muffled)
[17:27:13.649]                     }
[17:27:13.649]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.649]                   }
[17:27:13.649]                 }
[17:27:13.649]             }
[17:27:13.649]         }))
[17:27:13.649]     }, error = function(ex) {
[17:27:13.649]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:13.649]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.649]                 ...future.rng), started = ...future.startTime, 
[17:27:13.649]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:13.649]             version = "1.8"), class = "FutureResult")
[17:27:13.649]     }, finally = {
[17:27:13.649]         if (!identical(...future.workdir, getwd())) 
[17:27:13.649]             setwd(...future.workdir)
[17:27:13.649]         {
[17:27:13.649]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:13.649]                 ...future.oldOptions$nwarnings <- NULL
[17:27:13.649]             }
[17:27:13.649]             base::options(...future.oldOptions)
[17:27:13.649]             if (.Platform$OS.type == "windows") {
[17:27:13.649]                 old_names <- names(...future.oldEnvVars)
[17:27:13.649]                 envs <- base::Sys.getenv()
[17:27:13.649]                 names <- names(envs)
[17:27:13.649]                 common <- intersect(names, old_names)
[17:27:13.649]                 added <- setdiff(names, old_names)
[17:27:13.649]                 removed <- setdiff(old_names, names)
[17:27:13.649]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:13.649]                   envs[common]]
[17:27:13.649]                 NAMES <- toupper(changed)
[17:27:13.649]                 args <- list()
[17:27:13.649]                 for (kk in seq_along(NAMES)) {
[17:27:13.649]                   name <- changed[[kk]]
[17:27:13.649]                   NAME <- NAMES[[kk]]
[17:27:13.649]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.649]                     next
[17:27:13.649]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.649]                 }
[17:27:13.649]                 NAMES <- toupper(added)
[17:27:13.649]                 for (kk in seq_along(NAMES)) {
[17:27:13.649]                   name <- added[[kk]]
[17:27:13.649]                   NAME <- NAMES[[kk]]
[17:27:13.649]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.649]                     next
[17:27:13.649]                   args[[name]] <- ""
[17:27:13.649]                 }
[17:27:13.649]                 NAMES <- toupper(removed)
[17:27:13.649]                 for (kk in seq_along(NAMES)) {
[17:27:13.649]                   name <- removed[[kk]]
[17:27:13.649]                   NAME <- NAMES[[kk]]
[17:27:13.649]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.649]                     next
[17:27:13.649]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.649]                 }
[17:27:13.649]                 if (length(args) > 0) 
[17:27:13.649]                   base::do.call(base::Sys.setenv, args = args)
[17:27:13.649]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:13.649]             }
[17:27:13.649]             else {
[17:27:13.649]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:13.649]             }
[17:27:13.649]             {
[17:27:13.649]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:13.649]                   0L) {
[17:27:13.649]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:13.649]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:13.649]                   base::options(opts)
[17:27:13.649]                 }
[17:27:13.649]                 {
[17:27:13.649]                   {
[17:27:13.649]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:13.649]                     NULL
[17:27:13.649]                   }
[17:27:13.649]                   options(future.plan = NULL)
[17:27:13.649]                   if (is.na(NA_character_)) 
[17:27:13.649]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.649]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:13.649]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:13.649]                     .init = FALSE)
[17:27:13.649]                 }
[17:27:13.649]             }
[17:27:13.649]         }
[17:27:13.649]     })
[17:27:13.649]     if (TRUE) {
[17:27:13.649]         base::sink(type = "output", split = FALSE)
[17:27:13.649]         if (TRUE) {
[17:27:13.649]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:13.649]         }
[17:27:13.649]         else {
[17:27:13.649]             ...future.result["stdout"] <- base::list(NULL)
[17:27:13.649]         }
[17:27:13.649]         base::close(...future.stdout)
[17:27:13.649]         ...future.stdout <- NULL
[17:27:13.649]     }
[17:27:13.649]     ...future.result$conditions <- ...future.conditions
[17:27:13.649]     ...future.result$finished <- base::Sys.time()
[17:27:13.649]     ...future.result
[17:27:13.649] }
[17:27:13.654] MultisessionFuture started
[17:27:13.654] - Launch lazy future ... done
[17:27:13.654] run() for 'MultisessionFuture' ... done
> ## FIXME: print() calls resolved(), which triggers a result() collection,
> ## and future 'f1' to become resolved.  This means future 'f2' below
> ## may launch on the same worker as 'f1'.  So, don't resolve().
> # print(f1)
> cat(sprintf("Future #1 session: %d\n", f1$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) })
[17:27:13.655] getGlobalsAndPackages() ...
[17:27:13.655] Searching for globals...
[17:27:13.656] - globals found: [3] '{', 'value', 'f1'
[17:27:13.656] Searching for globals ... DONE
[17:27:13.656] Resolving globals: FALSE
[17:27:13.659] The total size of the 1 globals is 1.58 MiB (1657496 bytes)
[17:27:13.660] The total size of the 1 globals exported for future expression ('{; value(f1); }') 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')
[17:27:13.660] - globals: [1] 'f1'
[17:27:13.660] - packages: [1] 'future'
[17:27:13.660] getGlobalsAndPackages() ... DONE
[17:27:13.660] run() for 'Future' ...
[17:27:13.661] - state: 'created'
[17:27:13.661] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[17:27:13.672] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[17:27:13.672] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[17:27:13.673]   - Field: 'node'
[17:27:13.673]   - Field: 'label'
[17:27:13.673]   - Field: 'local'
[17:27:13.673]   - Field: 'owner'
[17:27:13.673]   - Field: 'envir'
[17:27:13.674]   - Field: 'workers'
[17:27:13.674]   - Field: 'packages'
[17:27:13.674]   - Field: 'gc'
[17:27:13.674]   - Field: 'conditions'
[17:27:13.674]   - Field: 'persistent'
[17:27:13.674]   - Field: 'expr'
[17:27:13.675]   - Field: 'uuid'
[17:27:13.675]   - Field: 'seed'
[17:27:13.675]   - Field: 'version'
[17:27:13.675]   - Field: 'result'
[17:27:13.675]   - Field: 'asynchronous'
[17:27:13.675]   - Field: 'calls'
[17:27:13.676]   - Field: 'globals'
[17:27:13.676]   - Field: 'stdout'
[17:27:13.676]   - Field: 'earlySignal'
[17:27:13.676]   - Field: 'lazy'
[17:27:13.676]   - Field: 'state'
[17:27:13.677] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[17:27:13.677] - Launch lazy future ...
[17:27:13.677] Packages needed by the future expression (n = 1): 'future'
[17:27:13.677] Packages needed by future strategies (n = 0): <none>
[17:27:13.678] {
[17:27:13.678]     {
[17:27:13.678]         {
[17:27:13.678]             ...future.startTime <- base::Sys.time()
[17:27:13.678]             {
[17:27:13.678]                 {
[17:27:13.678]                   {
[17:27:13.678]                     {
[17:27:13.678]                       {
[17:27:13.678]                         base::local({
[17:27:13.678]                           has_future <- base::requireNamespace("future", 
[17:27:13.678]                             quietly = TRUE)
[17:27:13.678]                           if (has_future) {
[17:27:13.678]                             ns <- base::getNamespace("future")
[17:27:13.678]                             version <- ns[[".package"]][["version"]]
[17:27:13.678]                             if (is.null(version)) 
[17:27:13.678]                               version <- utils::packageVersion("future")
[17:27:13.678]                           }
[17:27:13.678]                           else {
[17:27:13.678]                             version <- NULL
[17:27:13.678]                           }
[17:27:13.678]                           if (!has_future || version < "1.8.0") {
[17:27:13.678]                             info <- base::c(r_version = base::gsub("R version ", 
[17:27:13.678]                               "", base::R.version$version.string), 
[17:27:13.678]                               platform = base::sprintf("%s (%s-bit)", 
[17:27:13.678]                                 base::R.version$platform, 8 * 
[17:27:13.678]                                   base::.Machine$sizeof.pointer), 
[17:27:13.678]                               os = base::paste(base::Sys.info()[base::c("sysname", 
[17:27:13.678]                                 "release", "version")], collapse = " "), 
[17:27:13.678]                               hostname = base::Sys.info()[["nodename"]])
[17:27:13.678]                             info <- base::sprintf("%s: %s", base::names(info), 
[17:27:13.678]                               info)
[17:27:13.678]                             info <- base::paste(info, collapse = "; ")
[17:27:13.678]                             if (!has_future) {
[17:27:13.678]                               msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:27:13.678]                                 info)
[17:27:13.678]                             }
[17:27:13.678]                             else {
[17:27:13.678]                               msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:27:13.678]                                 info, version)
[17:27:13.678]                             }
[17:27:13.678]                             base::stop(msg)
[17:27:13.678]                           }
[17:27:13.678]                         })
[17:27:13.678]                       }
[17:27:13.678]                       ...future.mc.cores.old <- base::getOption("mc.cores")
[17:27:13.678]                       base::options(mc.cores = 1L)
[17:27:13.678]                     }
[17:27:13.678]                     base::local({
[17:27:13.678]                       for (pkg in "future") {
[17:27:13.678]                         base::loadNamespace(pkg)
[17:27:13.678]                         base::library(pkg, character.only = TRUE)
[17:27:13.678]                       }
[17:27:13.678]                     })
[17:27:13.678]                   }
[17:27:13.678]                   ...future.strategy.old <- future::plan("list")
[17:27:13.678]                   options(future.plan = NULL)
[17:27:13.678]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.678]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:27:13.678]                 }
[17:27:13.678]                 ...future.workdir <- getwd()
[17:27:13.678]             }
[17:27:13.678]             ...future.oldOptions <- base::as.list(base::.Options)
[17:27:13.678]             ...future.oldEnvVars <- base::Sys.getenv()
[17:27:13.678]         }
[17:27:13.678]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:27:13.678]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:27:13.678]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:27:13.678]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:27:13.678]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:27:13.678]             future.stdout.windows.reencode = NULL, width = 80L)
[17:27:13.678]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:27:13.678]             base::names(...future.oldOptions))
[17:27:13.678]     }
[17:27:13.678]     if (FALSE) {
[17:27:13.678]     }
[17:27:13.678]     else {
[17:27:13.678]         if (TRUE) {
[17:27:13.678]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:27:13.678]                 open = "w")
[17:27:13.678]         }
[17:27:13.678]         else {
[17:27:13.678]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:27:13.678]                 windows = "NUL", "/dev/null"), open = "w")
[17:27:13.678]         }
[17:27:13.678]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:27:13.678]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:27:13.678]             base::sink(type = "output", split = FALSE)
[17:27:13.678]             base::close(...future.stdout)
[17:27:13.678]         }, add = TRUE)
[17:27:13.678]     }
[17:27:13.678]     ...future.frame <- base::sys.nframe()
[17:27:13.678]     ...future.conditions <- base::list()
[17:27:13.678]     ...future.rng <- base::globalenv()$.Random.seed
[17:27:13.678]     if (FALSE) {
[17:27:13.678]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:27:13.678]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:27:13.678]     }
[17:27:13.678]     ...future.result <- base::tryCatch({
[17:27:13.678]         base::withCallingHandlers({
[17:27:13.678]             ...future.value <- base::withVisible(base::local({
[17:27:13.678]                 ...future.makeSendCondition <- base::local({
[17:27:13.678]                   sendCondition <- NULL
[17:27:13.678]                   function(frame = 1L) {
[17:27:13.678]                     if (is.function(sendCondition)) 
[17:27:13.678]                       return(sendCondition)
[17:27:13.678]                     ns <- getNamespace("parallel")
[17:27:13.678]                     if (exists("sendData", mode = "function", 
[17:27:13.678]                       envir = ns)) {
[17:27:13.678]                       parallel_sendData <- get("sendData", mode = "function", 
[17:27:13.678]                         envir = ns)
[17:27:13.678]                       envir <- sys.frame(frame)
[17:27:13.678]                       master <- NULL
[17:27:13.678]                       while (!identical(envir, .GlobalEnv) && 
[17:27:13.678]                         !identical(envir, emptyenv())) {
[17:27:13.678]                         if (exists("master", mode = "list", envir = envir, 
[17:27:13.678]                           inherits = FALSE)) {
[17:27:13.678]                           master <- get("master", mode = "list", 
[17:27:13.678]                             envir = envir, inherits = FALSE)
[17:27:13.678]                           if (inherits(master, c("SOCKnode", 
[17:27:13.678]                             "SOCK0node"))) {
[17:27:13.678]                             sendCondition <<- function(cond) {
[17:27:13.678]                               data <- list(type = "VALUE", value = cond, 
[17:27:13.678]                                 success = TRUE)
[17:27:13.678]                               parallel_sendData(master, data)
[17:27:13.678]                             }
[17:27:13.678]                             return(sendCondition)
[17:27:13.678]                           }
[17:27:13.678]                         }
[17:27:13.678]                         frame <- frame + 1L
[17:27:13.678]                         envir <- sys.frame(frame)
[17:27:13.678]                       }
[17:27:13.678]                     }
[17:27:13.678]                     sendCondition <<- function(cond) NULL
[17:27:13.678]                   }
[17:27:13.678]                 })
[17:27:13.678]                 withCallingHandlers({
[17:27:13.678]                   {
[17:27:13.678]                     value(f1)
[17:27:13.678]                   }
[17:27:13.678]                 }, immediateCondition = function(cond) {
[17:27:13.678]                   sendCondition <- ...future.makeSendCondition()
[17:27:13.678]                   sendCondition(cond)
[17:27:13.678]                   muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.678]                   {
[17:27:13.678]                     inherits <- base::inherits
[17:27:13.678]                     invokeRestart <- base::invokeRestart
[17:27:13.678]                     is.null <- base::is.null
[17:27:13.678]                     muffled <- FALSE
[17:27:13.678]                     if (inherits(cond, "message")) {
[17:27:13.678]                       muffled <- grepl(pattern, "muffleMessage")
[17:27:13.678]                       if (muffled) 
[17:27:13.678]                         invokeRestart("muffleMessage")
[17:27:13.678]                     }
[17:27:13.678]                     else if (inherits(cond, "warning")) {
[17:27:13.678]                       muffled <- grepl(pattern, "muffleWarning")
[17:27:13.678]                       if (muffled) 
[17:27:13.678]                         invokeRestart("muffleWarning")
[17:27:13.678]                     }
[17:27:13.678]                     else if (inherits(cond, "condition")) {
[17:27:13.678]                       if (!is.null(pattern)) {
[17:27:13.678]                         computeRestarts <- base::computeRestarts
[17:27:13.678]                         grepl <- base::grepl
[17:27:13.678]                         restarts <- computeRestarts(cond)
[17:27:13.678]                         for (restart in restarts) {
[17:27:13.678]                           name <- restart$name
[17:27:13.678]                           if (is.null(name)) 
[17:27:13.678]                             next
[17:27:13.678]                           if (!grepl(pattern, name)) 
[17:27:13.678]                             next
[17:27:13.678]                           invokeRestart(restart)
[17:27:13.678]                           muffled <- TRUE
[17:27:13.678]                           break
[17:27:13.678]                         }
[17:27:13.678]                       }
[17:27:13.678]                     }
[17:27:13.678]                     invisible(muffled)
[17:27:13.678]                   }
[17:27:13.678]                   muffleCondition(cond)
[17:27:13.678]                 })
[17:27:13.678]             }))
[17:27:13.678]             future::FutureResult(value = ...future.value$value, 
[17:27:13.678]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.678]                   ...future.rng), globalenv = if (FALSE) 
[17:27:13.678]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:27:13.678]                     ...future.globalenv.names))
[17:27:13.678]                 else NULL, started = ...future.startTime, version = "1.8")
[17:27:13.678]         }, condition = base::local({
[17:27:13.678]             c <- base::c
[17:27:13.678]             inherits <- base::inherits
[17:27:13.678]             invokeRestart <- base::invokeRestart
[17:27:13.678]             length <- base::length
[17:27:13.678]             list <- base::list
[17:27:13.678]             seq.int <- base::seq.int
[17:27:13.678]             signalCondition <- base::signalCondition
[17:27:13.678]             sys.calls <- base::sys.calls
[17:27:13.678]             `[[` <- base::`[[`
[17:27:13.678]             `+` <- base::`+`
[17:27:13.678]             `<<-` <- base::`<<-`
[17:27:13.678]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:27:13.678]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:27:13.678]                   3L)]
[17:27:13.678]             }
[17:27:13.678]             function(cond) {
[17:27:13.678]                 is_error <- inherits(cond, "error")
[17:27:13.678]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:27:13.678]                   NULL)
[17:27:13.678]                 if (is_error) {
[17:27:13.678]                   sessionInformation <- function() {
[17:27:13.678]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:27:13.678]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:27:13.678]                       search = base::search(), system = base::Sys.info())
[17:27:13.678]                   }
[17:27:13.678]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.678]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:27:13.678]                     cond$call), session = sessionInformation(), 
[17:27:13.678]                     timestamp = base::Sys.time(), signaled = 0L)
[17:27:13.678]                   signalCondition(cond)
[17:27:13.678]                 }
[17:27:13.678]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:27:13.678]                 "immediateCondition"))) {
[17:27:13.678]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:27:13.678]                   ...future.conditions[[length(...future.conditions) + 
[17:27:13.678]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:27:13.678]                   if (TRUE && !signal) {
[17:27:13.678]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.678]                     {
[17:27:13.678]                       inherits <- base::inherits
[17:27:13.678]                       invokeRestart <- base::invokeRestart
[17:27:13.678]                       is.null <- base::is.null
[17:27:13.678]                       muffled <- FALSE
[17:27:13.678]                       if (inherits(cond, "message")) {
[17:27:13.678]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.678]                         if (muffled) 
[17:27:13.678]                           invokeRestart("muffleMessage")
[17:27:13.678]                       }
[17:27:13.678]                       else if (inherits(cond, "warning")) {
[17:27:13.678]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.678]                         if (muffled) 
[17:27:13.678]                           invokeRestart("muffleWarning")
[17:27:13.678]                       }
[17:27:13.678]                       else if (inherits(cond, "condition")) {
[17:27:13.678]                         if (!is.null(pattern)) {
[17:27:13.678]                           computeRestarts <- base::computeRestarts
[17:27:13.678]                           grepl <- base::grepl
[17:27:13.678]                           restarts <- computeRestarts(cond)
[17:27:13.678]                           for (restart in restarts) {
[17:27:13.678]                             name <- restart$name
[17:27:13.678]                             if (is.null(name)) 
[17:27:13.678]                               next
[17:27:13.678]                             if (!grepl(pattern, name)) 
[17:27:13.678]                               next
[17:27:13.678]                             invokeRestart(restart)
[17:27:13.678]                             muffled <- TRUE
[17:27:13.678]                             break
[17:27:13.678]                           }
[17:27:13.678]                         }
[17:27:13.678]                       }
[17:27:13.678]                       invisible(muffled)
[17:27:13.678]                     }
[17:27:13.678]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.678]                   }
[17:27:13.678]                 }
[17:27:13.678]                 else {
[17:27:13.678]                   if (TRUE) {
[17:27:13.678]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:27:13.678]                     {
[17:27:13.678]                       inherits <- base::inherits
[17:27:13.678]                       invokeRestart <- base::invokeRestart
[17:27:13.678]                       is.null <- base::is.null
[17:27:13.678]                       muffled <- FALSE
[17:27:13.678]                       if (inherits(cond, "message")) {
[17:27:13.678]                         muffled <- grepl(pattern, "muffleMessage")
[17:27:13.678]                         if (muffled) 
[17:27:13.678]                           invokeRestart("muffleMessage")
[17:27:13.678]                       }
[17:27:13.678]                       else if (inherits(cond, "warning")) {
[17:27:13.678]                         muffled <- grepl(pattern, "muffleWarning")
[17:27:13.678]                         if (muffled) 
[17:27:13.678]                           invokeRestart("muffleWarning")
[17:27:13.678]                       }
[17:27:13.678]                       else if (inherits(cond, "condition")) {
[17:27:13.678]                         if (!is.null(pattern)) {
[17:27:13.678]                           computeRestarts <- base::computeRestarts
[17:27:13.678]                           grepl <- base::grepl
[17:27:13.678]                           restarts <- computeRestarts(cond)
[17:27:13.678]                           for (restart in restarts) {
[17:27:13.678]                             name <- restart$name
[17:27:13.678]                             if (is.null(name)) 
[17:27:13.678]                               next
[17:27:13.678]                             if (!grepl(pattern, name)) 
[17:27:13.678]                               next
[17:27:13.678]                             invokeRestart(restart)
[17:27:13.678]                             muffled <- TRUE
[17:27:13.678]                             break
[17:27:13.678]                           }
[17:27:13.678]                         }
[17:27:13.678]                       }
[17:27:13.678]                       invisible(muffled)
[17:27:13.678]                     }
[17:27:13.678]                     muffleCondition(cond, pattern = "^muffle")
[17:27:13.678]                   }
[17:27:13.678]                 }
[17:27:13.678]             }
[17:27:13.678]         }))
[17:27:13.678]     }, error = function(ex) {
[17:27:13.678]         base::structure(base::list(value = NULL, visible = NULL, 
[17:27:13.678]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:27:13.678]                 ...future.rng), started = ...future.startTime, 
[17:27:13.678]             finished = Sys.time(), session_uuid = NA_character_, 
[17:27:13.678]             version = "1.8"), class = "FutureResult")
[17:27:13.678]     }, finally = {
[17:27:13.678]         if (!identical(...future.workdir, getwd())) 
[17:27:13.678]             setwd(...future.workdir)
[17:27:13.678]         {
[17:27:13.678]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:27:13.678]                 ...future.oldOptions$nwarnings <- NULL
[17:27:13.678]             }
[17:27:13.678]             base::options(...future.oldOptions)
[17:27:13.678]             if (.Platform$OS.type == "windows") {
[17:27:13.678]                 old_names <- names(...future.oldEnvVars)
[17:27:13.678]                 envs <- base::Sys.getenv()
[17:27:13.678]                 names <- names(envs)
[17:27:13.678]                 common <- intersect(names, old_names)
[17:27:13.678]                 added <- setdiff(names, old_names)
[17:27:13.678]                 removed <- setdiff(old_names, names)
[17:27:13.678]                 changed <- common[...future.oldEnvVars[common] != 
[17:27:13.678]                   envs[common]]
[17:27:13.678]                 NAMES <- toupper(changed)
[17:27:13.678]                 args <- list()
[17:27:13.678]                 for (kk in seq_along(NAMES)) {
[17:27:13.678]                   name <- changed[[kk]]
[17:27:13.678]                   NAME <- NAMES[[kk]]
[17:27:13.678]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.678]                     next
[17:27:13.678]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.678]                 }
[17:27:13.678]                 NAMES <- toupper(added)
[17:27:13.678]                 for (kk in seq_along(NAMES)) {
[17:27:13.678]                   name <- added[[kk]]
[17:27:13.678]                   NAME <- NAMES[[kk]]
[17:27:13.678]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.678]                     next
[17:27:13.678]                   args[[name]] <- ""
[17:27:13.678]                 }
[17:27:13.678]                 NAMES <- toupper(removed)
[17:27:13.678]                 for (kk in seq_along(NAMES)) {
[17:27:13.678]                   name <- removed[[kk]]
[17:27:13.678]                   NAME <- NAMES[[kk]]
[17:27:13.678]                   if (name != NAME && is.element(NAME, old_names)) 
[17:27:13.678]                     next
[17:27:13.678]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:27:13.678]                 }
[17:27:13.678]                 if (length(args) > 0) 
[17:27:13.678]                   base::do.call(base::Sys.setenv, args = args)
[17:27:13.678]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:27:13.678]             }
[17:27:13.678]             else {
[17:27:13.678]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:27:13.678]             }
[17:27:13.678]             {
[17:27:13.678]                 if (base::length(...future.futureOptionsAdded) > 
[17:27:13.678]                   0L) {
[17:27:13.678]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:27:13.678]                   base::names(opts) <- ...future.futureOptionsAdded
[17:27:13.678]                   base::options(opts)
[17:27:13.678]                 }
[17:27:13.678]                 {
[17:27:13.678]                   {
[17:27:13.678]                     base::options(mc.cores = ...future.mc.cores.old)
[17:27:13.678]                     NULL
[17:27:13.678]                   }
[17:27:13.678]                   options(future.plan = NULL)
[17:27:13.678]                   if (is.na(NA_character_)) 
[17:27:13.678]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:27:13.678]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:27:13.678]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:27:13.678]                     .init = FALSE)
[17:27:13.678]                 }
[17:27:13.678]             }
[17:27:13.678]         }
[17:27:13.678]     })
[17:27:13.678]     if (TRUE) {
[17:27:13.678]         base::sink(type = "output", split = FALSE)
[17:27:13.678]         if (TRUE) {
[17:27:13.678]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:27:13.678]         }
[17:27:13.678]         else {
[17:27:13.678]             ...future.result["stdout"] <- base::list(NULL)
[17:27:13.678]         }
[17:27:13.678]         base::close(...future.stdout)
[17:27:13.678]         ...future.stdout <- NULL
[17:27:13.678]     }
[17:27:13.678]     ...future.result$conditions <- ...future.conditions
[17:27:13.678]     ...future.result$finished <- base::Sys.time()
[17:27:13.678]     ...future.result
[17:27:13.678] }
[17:27:13.769] Exporting 1 global objects (1.58 MiB) to cluster node #2 ...
[17:27:13.772] Exporting 'f1' (1.58 MiB) to cluster node #2 ...
[17:27:13.783] Exporting 'f1' (1.58 MiB) to cluster node #2 ... DONE
[17:27:13.783] Exporting 1 global objects (1.58 MiB) to cluster node #2 ... DONE
[17:27:13.784] MultisessionFuture started
[17:27:13.784] - Launch lazy future ... done
[17:27:13.784] 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 1.58 MiB (MultisessionFuture 'f1' of 1.58 MiB)
Packages: 1 packages ('future')
L'Ecuyer-CMRG RNG seed: <none> (seed = FALSE)
[17:27:13.842] receiveMessageFromWorker() for ClusterFuture ...
[17:27:13.843] - Validating connection of MultisessionFuture
[17:27:13.855] - received message: FutureResult
[17:27:13.856] - Received FutureResult
[17:27:13.856] - Erased future from FutureRegistry
[17:27:13.856] result() for ClusterFuture ...
[17:27:13.856] - result already collected: FutureResult
[17:27:13.856] result() for ClusterFuture ... done
[17:27:13.857] signalConditions() ...
[17:27:13.857]  - include = 'immediateCondition'
[17:27:13.857]  - exclude = 
[17:27:13.857]  - resignal = FALSE
[17:27:13.857]  - Number of conditions: 1
[17:27:13.857] signalConditions() ... done
[17:27:13.858] receiveMessageFromWorker() for ClusterFuture ... done
Resolved: TRUE
Value: <not collected>
Conditions captured: <none>
Early signaling: FALSE
Owner process: 4477bd64-8237-d939-32d3-b7829e37759b
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)
[17:27:13.862] result() for ClusterFuture ...
[17:27:13.862] - result already collected: FutureResult
[17:27:13.862] result() for ClusterFuture ... done
[17:27:13.862] result() for ClusterFuture ...
[17:27:13.862] - result already collected: FutureResult
[17:27:13.862] result() for ClusterFuture ... done
[17:27:13.863] signalConditions() ...
[17:27:13.863]  - include = 'immediateCondition'
[17:27:13.863]  - exclude = 
[17:27:13.863]  - resignal = FALSE
[17:27:13.863]  - Number of conditions: 1
[17:27:13.863] signalConditions() ... done
[17:27:13.864] Future state: 'finished'
[17:27:13.864] result() for ClusterFuture ...
[17:27:13.864] - result already collected: FutureResult
[17:27:13.864] result() for ClusterFuture ... done
[17:27:13.864] signalConditions() ...
[17:27:13.865]  - include = 'condition'
[17:27:13.865]  - exclude = 'immediateCondition'
[17:27:13.865]  - resignal = TRUE
[17:27:13.865]  - Number of conditions: 1
[17:27:13.865]  - Condition #1: 'FutureError', 'error', 'FutureCondition', 'condition'
[17:27:13.865] 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 (4477bd64-8237-d939-32d3-b7829e37759b; pid 136844 on CRANWIN3) that created it, not by any other R processes (0b0e28cb-e494-54ad-2e06-e370afc35968; pid 145832 on CRANWIN3): {; 42L; }>


Future UUID: 21d81508-a524-6dd3-99f9-b0cf1eed99ee


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: 4477bd64-8237-d939-32d3-b7829e37759b
Class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'

DEBUG: END TROUBLESHOOTING HELP
> stopifnot(inherits(res, "error"))
> 
> v1 <- value(f1)
[17:27:13.867] result() for ClusterFuture ...
[17:27:13.867] receiveMessageFromWorker() for ClusterFuture ...
[17:27:13.867] - Validating connection of MultisessionFuture
[17:27:13.867] - received message: FutureResult
[17:27:13.867] - Received FutureResult
[17:27:13.868] - Erased future from FutureRegistry
[17:27:13.868] result() for ClusterFuture ...
[17:27:13.868] - result already collected: FutureResult
[17:27:13.868] result() for ClusterFuture ... done
[17:27:13.868] receiveMessageFromWorker() for ClusterFuture ... done
[17:27:13.868] result() for ClusterFuture ... done
[17:27:13.869] result() for ClusterFuture ...
[17:27:13.869] - result already collected: FutureResult
[17:27:13.869] 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")
[17:27:13.870] plan(): Setting new future strategy stack:
[17:27:13.870] List of future strategies:
[17:27:13.870] 1. FutureStrategy:
[17:27:13.870]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:27:13.870]    - tweaked: FALSE
[17:27:13.870]    - call: future::plan(oplan)
[17:27:13.871] plan(): nbrOfWorkers() = 1
Failed to undo environment variables:
 - Expected environment variables: [n=204] '!ExitCode', 'ALLUSERSPROFILE', 'APPDATA', 'BIBINPUTS', 'BINDIR', 'BSTINPUTS', 'COMMONPROGRAMFILES', 'COMPUTERNAME', 'COMSPEC', 'CURL_CA_BUNDLE', 'CYGWIN', 'CommonProgramFiles(x86)', 'CommonProgramW6432', 'DriverData', 'HOME', 'HOMEDRIVE', 'HOMEPATH', 'JAGS_ROOT', 'JAVA_HOME', 'LANGUAGE', 'LC_COLLATE', 'LC_MONETARY', 'LC_TIME', 'LOCALAPPDATA', 'LOGONSERVER', 'LS_HOME', 'LS_LICENSE_PATH', 'MAKE', 'MAKEFLAGS', 'MAKELEVEL', 'MFLAGS', 'MSMPI_BENCHMARKS', 'MSMPI_BIN', 'MSYS2_ENV_CONV_EXCL', 'NUMBER_OF_PROCESSORS', 'OCL', 'OMP_THREAD_LIMIT', 'OS', 'PATH', 'PATHEXT', 'PROCESSOR_ARCHITECTURE', 'PROCESSOR_IDENTIFIER', 'PROCESSOR_LEVEL', 'PROCESSOR_REVISION', 'PROGRAMFILES', 'PROMPT', 'PSModulePath', 'PUBLIC', 'PWD', 'ProgramData', 'ProgramFiles(x86)', 'ProgramW6432', 'RTOOLS43_HOME', 'RTOOLS44_HOME', 'R_ARCH', 'R_BROWSER', 'R_BZIPCMD', 'R_CMD', 'R_COMPILED_BY', 'R_CRAN_WEB', 'R_CUSTOM_TOOLS_PATH', 'R_CUSTOM_TOOLS_SOFT', 'R_DOC_DIR', 'R_ENVIRON_USER', 'R_GSCMD', 'R_GZIPCMD', 'R_HOME', 'R_INCLUDE_DIR', 'R_INSTALL_TAR', 'R_LIBS', 'R_LIBS_SITE', 'R_LIBS_USER', 'R_MAX_NUM_DLLS', 'R_OSTYPE', 'R_PAPERSIZE', 'R_PAPERSIZE_USER', 'R_PARALLELLY_MAKENODEPSOCK_AUTOKILL', 'R_PARALLELLY_MAKENODEPSOCK_CONNECTTIMEOUT', 'R_PARALLELLY_MAKENODEPSOCK_RSCRIPT_LABEL', 'R_PARALLELLY_MAKENODEPSOCK_SESSIONINFO_PKGS', 'R_PARALLELLY_MAKENODEPSOCK_TIMEOUT', 'R_PARALLELLY_RANDOM_PORTS', 'R_PARALLEL_PORT', 'R_RD4PDF', 'R_RTOOLS44_PATH', 'R_SCRIPT_LEGACY', 'R_SHARE_DIR', 'R_TESTS', 'R_UNZIPCMD', 'R_USER', 'R_VERSION', 'R_ZIPCMD', 'SED', 'SHLVL', 'SYSTEMDRIVE', 'SYSTEMROOT', 'TAR', 'TAR_OPTIONS', 'TEMP', 'TERM', 'TEXINPUTS', 'TMP', 'TMPDIR', 'USERDOMAIN', 'USERDOMAIN_ROAMINGPROFILE', 'USERNAME', 'USERPROFILE', 'WINDIR', '_', '_R_CHECK_AUTOCONF_', '_R_CHECK_BOGUS_RETURN_', '_R_CHECK_BROWSER_NONINTERACTIVE_', '_R_CHECK_BUILD_VIGNETTES_SEPARATELY_', '_R_CHECK_CODETOOLS_PROFILE_', '_R_CHECK_CODE_ASSIGN_TO_GLOBALENV_', '_R_CHECK_CODE_ATTACH_', '_R_CHECK_CODE_CLASS_IS_STRING_', '_R_CHECK_CODE_DATA_INTO_GLOBALENV_', '_R_CHECK_CODE_USAGE_VIA_NAMESPACES_', '_R_CHECK_CODE_USAGE_WITHOUT_LOADING_', '_R_CHECK_CODE_USAGE_WITH_ONLY_BASE_ATTACHED_', '_R_CHECK_CODOC_VARIABLES_IN_USAGES_', '_R_CHECK_COMPACT_DATA2_', '_R_CHECK_COMPILATION_FLAGS_', '_R_CHECK_CONNECTIONS_LEFT_OPEN_', '_R_CHECK_CRAN_INCOMING_', '_R_CHECK_CRAN_INCOMING_CHECK_FILE_URIS_', '_R_CHECK_CRAN_INCOMING_CHECK_URLS_IN_PARALLEL_', '_R_CHECK_CRAN_INCOMING_NOTE_GNU_MAKE_', '_R_CHECK_CRAN_INCOMING_REMOTE_', '_R_CHECK_CRAN_INCOMING_USE_ASPELL_', '_R_CHECK_DATALIST_', '_R_CHECK_DEPRECATED_DEFUNCT_', '_R_CHECK_DOC_SIZES2_', '_R_CHECK_DOT_FIRSTLIB_', '_R_CHECK_DOT_INTERNAL_', '_R_CHECK_EXAMPLE_TIMING_THRESHOLD_', '_R_CHECK_EXECUTABLES_', '_R_CHECK_EXECUTABLES_EXCLUSIONS_', '_R_CHECK_FF_CALLS_', '_R_CHECK_FF_DUP_', '_R_CHECK_FORCE_SUGGESTS_', '_R_CHECK_FUTURE_FILE_TIMESTAMPS_', '_R_CHECK_FUTURE_FILE_TIMESTAMPS_LEEWAY_', '_R_CHECK_HAVE_MYSQL_', '_R_CHECK_HAVE_ODBC_', '_R_CHECK_HAVE_PERL_', '_R_CHECK_HAVE_POSTGRES_', '_R_CHECK_INSTALL_DEPENDS_', '_R_CHECK_INTERNALS2_', '_R_CHECK_LENGTH_1_CONDITION_', '_R_CHECK_LICENSE_', '_R_CHECK_LIMIT_CORES_', '_R_CHECK_MATRIX_DATA_', '_R_CHECK_MBCS_CONVERSION_FAILURE_', '_R_CHECK_NATIVE_ROUTINE_REGISTRATION_', '_R_CHECK_NEWS_IN_PLAIN_TEXT_', '_R_CHECK_NO_RECOMMENDED_', '_R_CHECK_NO_STOP_ON_TEST_ERROR_', '_R_CHECK_ORPHANED_', '_R_CHECK_OVERWRITE_REGISTERED_S3_METHODS_', '_R_CHECK_PACKAGES_USED_IGNORE_UNUSED_IMPORTS_', '_R_CHECK_PACKAGES_USED_IN_TESTS_USE_SUBDIRS_', '_R_CHECK_PACKAGE_DATASETS_SUPPRESS_NOTES_', '_R_CHECK_PACKAGE_NAME_', '_R_CHECK_PKG_SIZES_', '_R_CHECK_PKG_SIZES_THRESHOLD_', '_R_CHECK_PRAGMAS_', '_R_CHECK_RD_EXAMPLES_T_AND_F_', '_R_CHECK_RD_LINE_WIDTHS_', '_R_CHECK_RD_MATH_RENDERING_', '_R_CHECK_RD_NOTE_LOST_BRACES_', '_R_CHECK_RD_VALIDATE_RD2HTML_', '_R_CHECK_REPLACING_IMPORTS_', '_R_CHECK_R_DEPENDS_', '_R_CHECK_S3_METHODS_SHOW_POSSIBLE_ISSUES_', '_R_CHECK_SCREEN_DEVICE_', '_R_CHECK_SERIALIZATION_', '_R_CHECK_SHLIB_OPENMP_FLAGS_', '_R_CHECK_SRC_MINUS_W_IMPLICIT_', '_R_CHECK_SUBDIRS_NOCASE_', '_R_CHECK_SUGGESTS_ONLY_', '_R_CHECK_SYSTEM_CLOCK_', '_R_CHECK_TESTS_NLINES_', '_R_CHECK_TEST_TIMING_', '_R_CHECK_TIMINGS_', '_R_CHECK_TOPLEVEL_FILES_', '_R_CHECK_UNDOC_USE_ALL_NAMES_', '_R_CHECK_UNSAFE_CALLS_', '_R_CHECK_URLS_SHOW_301_STATUS_', '_R_CHECK_VC_DIRS_', '_R_CHECK_VIGNETTES_NLINES_', '_R_CHECK_VIGNETTES_SKIP_RUN_MAYBE_', '_R_CHECK_VIGNETTE_TIMING_', '_R_CHECK_VIGNETTE_TITLES_', '_R_CHECK_WINDOWS_DEVICE_', '_R_CHECK_XREFS_USE_ALIASES_FROM_CRAN_', '_R_CLASS_MATRIX_ARRAY_', '_R_DEPRECATED_IS_R_', '_R_S3_METHOD_LOOKUP_BASEENV_AFTER_GLOBALENV_', '_R_SHLIB_BUILD_OBJECTS_SYMBOL_TABLES_', '__R_CHECK_DOC_FILES_NOTE_IF_ALL_SPECIAL__', 'maj.version', 'nextArg--timingsnextArg--install'
 - Environment variables still there: [n=0] 
 - Environment variables missing: [n=1] 'MAKEFLAGS'
Differences environment variable by environment variable:
List of 3
 $ name    : chr "MAKEFLAGS"
 $ expected: 'Dlist' chr ""
 $ actual  : 'Dlist' chr NA
> 
> proc.time()
   user  system elapsed 
   0.65    0.06    1.68