R Under development (unstable) (2024-05-14 r86553 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> source("incl/start.R")
Loading required package: future
[10:55:43.362] plan(): Setting new future strategy stack:
[10:55:43.363] List of future strategies:
[10:55:43.363] 1. mirai_multisession:
[10:55:43.363]    - args: function (expr, substitute = TRUE, envir = parent.frame(), ..., workers = availableCores())
[10:55:43.363]    - tweaked: FALSE
[10:55:43.363]    - call: future::plan(future.mirai::mirai_multisession)
[10:55:43.376] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ...
[10:55:43.376] < mirai | $data >
[10:55:43.381] getGlobalsAndPackages() ...
[10:55:43.382] Not searching for globals
[10:55:43.382] - globals: [0] <none>
[10:55:43.382] getGlobalsAndPackages() ... DONE
[10:55:43.383] getGlobalsAndPackages() ...
[10:55:43.383] 
[10:55:43.383] - globals: [0] <none>
[10:55:43.383] getGlobalsAndPackages() ... DONE
[10:55:43.665] Packages needed by the future expression (n = 0): <none>
[10:55:43.665] Packages needed by future strategies (n = 0): <none>
[10:55:43.667] {
[10:55:43.667]     {
[10:55:43.667]         {
[10:55:43.667]             ...future.startTime <- base::Sys.time()
[10:55:43.667]             {
[10:55:43.667]                 {
[10:55:43.667]                   {
[10:55:43.667]                     base::local({
[10:55:43.667]                       has_future <- base::requireNamespace("future", 
[10:55:43.667]                         quietly = TRUE)
[10:55:43.667]                       if (has_future) {
[10:55:43.667]                         ns <- base::getNamespace("future")
[10:55:43.667]                         version <- ns[[".package"]][["version"]]
[10:55:43.667]                         if (is.null(version)) 
[10:55:43.667]                           version <- utils::packageVersion("future")
[10:55:43.667]                       }
[10:55:43.667]                       else {
[10:55:43.667]                         version <- NULL
[10:55:43.667]                       }
[10:55:43.667]                       if (!has_future || version < "1.8.0") {
[10:55:43.667]                         info <- base::c(r_version = base::gsub("R version ", 
[10:55:43.667]                           "", base::R.version$version.string), 
[10:55:43.667]                           platform = base::sprintf("%s (%s-bit)", 
[10:55:43.667]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:55:43.667]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:55:43.667]                             "release", "version")], collapse = " "), 
[10:55:43.667]                           hostname = base::Sys.info()[["nodename"]])
[10:55:43.667]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:55:43.667]                           info)
[10:55:43.667]                         info <- base::paste(info, collapse = "; ")
[10:55:43.667]                         if (!has_future) {
[10:55:43.667]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:55:43.667]                             info)
[10:55:43.667]                         }
[10:55:43.667]                         else {
[10:55:43.667]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:55:43.667]                             info, version)
[10:55:43.667]                         }
[10:55:43.667]                         base::stop(msg)
[10:55:43.667]                       }
[10:55:43.667]                     })
[10:55:43.667]                   }
[10:55:43.667]                   ...future.strategy.old <- future::plan("list")
[10:55:43.667]                   options(future.plan = NULL)
[10:55:43.667]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:55:43.667]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:55:43.667]                 }
[10:55:43.667]                 ...future.workdir <- getwd()
[10:55:43.667]             }
[10:55:43.667]             ...future.oldOptions <- base::as.list(base::.Options)
[10:55:43.667]             ...future.oldEnvVars <- base::Sys.getenv()
[10:55:43.667]         }
[10:55:43.667]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[10:55:43.667]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:55:43.667]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[10:55:43.667]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[10:55:43.667]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:55:43.667]             future.stdout.windows.reencode = NULL, width = 80L)
[10:55:43.667]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:55:43.667]             base::names(...future.oldOptions))
[10:55:43.667]     }
[10:55:43.667]     if (FALSE) {
[10:55:43.667]     }
[10:55:43.667]     else {
[10:55:43.667]         if (TRUE) {
[10:55:43.667]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:55:43.667]                 open = "w")
[10:55:43.667]         }
[10:55:43.667]         else {
[10:55:43.667]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:55:43.667]                 windows = "NUL", "/dev/null"), open = "w")
[10:55:43.667]         }
[10:55:43.667]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:55:43.667]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:55:43.667]             base::sink(type = "output", split = FALSE)
[10:55:43.667]             base::close(...future.stdout)
[10:55:43.667]         }, add = TRUE)
[10:55:43.667]     }
[10:55:43.667]     ...future.frame <- base::sys.nframe()
[10:55:43.667]     ...future.conditions <- base::list()
[10:55:43.667]     ...future.rng <- base::globalenv()$.Random.seed
[10:55:43.667]     if (FALSE) {
[10:55:43.667]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:55:43.667]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:55:43.667]     }
[10:55:43.667]     ...future.result <- base::tryCatch({
[10:55:43.667]         base::withCallingHandlers({
[10:55:43.667]             ...future.value <- base::withVisible(base::local(NA))
[10:55:43.667]             future::FutureResult(value = ...future.value$value, 
[10:55:43.667]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:43.667]                   ...future.rng), globalenv = if (FALSE) 
[10:55:43.667]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:55:43.667]                     ...future.globalenv.names))
[10:55:43.667]                 else NULL, started = ...future.startTime, version = "1.8")
[10:55:43.667]         }, condition = base::local({
[10:55:43.667]             c <- base::c
[10:55:43.667]             inherits <- base::inherits
[10:55:43.667]             invokeRestart <- base::invokeRestart
[10:55:43.667]             length <- base::length
[10:55:43.667]             list <- base::list
[10:55:43.667]             seq.int <- base::seq.int
[10:55:43.667]             signalCondition <- base::signalCondition
[10:55:43.667]             sys.calls <- base::sys.calls
[10:55:43.667]             `[[` <- base::`[[`
[10:55:43.667]             `+` <- base::`+`
[10:55:43.667]             `<<-` <- base::`<<-`
[10:55:43.667]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:55:43.667]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:55:43.667]                   3L)]
[10:55:43.667]             }
[10:55:43.667]             function(cond) {
[10:55:43.667]                 is_error <- inherits(cond, "error")
[10:55:43.667]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:55:43.667]                   NULL)
[10:55:43.667]                 if (is_error) {
[10:55:43.667]                   sessionInformation <- function() {
[10:55:43.667]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:55:43.667]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:55:43.667]                       search = base::search(), system = base::Sys.info())
[10:55:43.667]                   }
[10:55:43.667]                   ...future.conditions[[length(...future.conditions) + 
[10:55:43.667]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:55:43.667]                     cond$call), session = sessionInformation(), 
[10:55:43.667]                     timestamp = base::Sys.time(), signaled = 0L)
[10:55:43.667]                   signalCondition(cond)
[10:55:43.667]                 }
[10:55:43.667]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:55:43.667]                   signal <- FALSE && inherits(cond, character(0))
[10:55:43.667]                   ...future.conditions[[length(...future.conditions) + 
[10:55:43.667]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:55:43.667]                   if (FALSE && !signal) {
[10:55:43.667]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:43.667]                     {
[10:55:43.667]                       inherits <- base::inherits
[10:55:43.667]                       invokeRestart <- base::invokeRestart
[10:55:43.667]                       is.null <- base::is.null
[10:55:43.667]                       muffled <- FALSE
[10:55:43.667]                       if (inherits(cond, "message")) {
[10:55:43.667]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:43.667]                         if (muffled) 
[10:55:43.667]                           invokeRestart("muffleMessage")
[10:55:43.667]                       }
[10:55:43.667]                       else if (inherits(cond, "warning")) {
[10:55:43.667]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:43.667]                         if (muffled) 
[10:55:43.667]                           invokeRestart("muffleWarning")
[10:55:43.667]                       }
[10:55:43.667]                       else if (inherits(cond, "condition")) {
[10:55:43.667]                         if (!is.null(pattern)) {
[10:55:43.667]                           computeRestarts <- base::computeRestarts
[10:55:43.667]                           grepl <- base::grepl
[10:55:43.667]                           restarts <- computeRestarts(cond)
[10:55:43.667]                           for (restart in restarts) {
[10:55:43.667]                             name <- restart$name
[10:55:43.667]                             if (is.null(name)) 
[10:55:43.667]                               next
[10:55:43.667]                             if (!grepl(pattern, name)) 
[10:55:43.667]                               next
[10:55:43.667]                             invokeRestart(restart)
[10:55:43.667]                             muffled <- TRUE
[10:55:43.667]                             break
[10:55:43.667]                           }
[10:55:43.667]                         }
[10:55:43.667]                       }
[10:55:43.667]                       invisible(muffled)
[10:55:43.667]                     }
[10:55:43.667]                     muffleCondition(cond, pattern = "^muffle")
[10:55:43.667]                   }
[10:55:43.667]                 }
[10:55:43.667]                 else {
[10:55:43.667]                   if (TRUE) {
[10:55:43.667]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:43.667]                     {
[10:55:43.667]                       inherits <- base::inherits
[10:55:43.667]                       invokeRestart <- base::invokeRestart
[10:55:43.667]                       is.null <- base::is.null
[10:55:43.667]                       muffled <- FALSE
[10:55:43.667]                       if (inherits(cond, "message")) {
[10:55:43.667]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:43.667]                         if (muffled) 
[10:55:43.667]                           invokeRestart("muffleMessage")
[10:55:43.667]                       }
[10:55:43.667]                       else if (inherits(cond, "warning")) {
[10:55:43.667]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:43.667]                         if (muffled) 
[10:55:43.667]                           invokeRestart("muffleWarning")
[10:55:43.667]                       }
[10:55:43.667]                       else if (inherits(cond, "condition")) {
[10:55:43.667]                         if (!is.null(pattern)) {
[10:55:43.667]                           computeRestarts <- base::computeRestarts
[10:55:43.667]                           grepl <- base::grepl
[10:55:43.667]                           restarts <- computeRestarts(cond)
[10:55:43.667]                           for (restart in restarts) {
[10:55:43.667]                             name <- restart$name
[10:55:43.667]                             if (is.null(name)) 
[10:55:43.667]                               next
[10:55:43.667]                             if (!grepl(pattern, name)) 
[10:55:43.667]                               next
[10:55:43.667]                             invokeRestart(restart)
[10:55:43.667]                             muffled <- TRUE
[10:55:43.667]                             break
[10:55:43.667]                           }
[10:55:43.667]                         }
[10:55:43.667]                       }
[10:55:43.667]                       invisible(muffled)
[10:55:43.667]                     }
[10:55:43.667]                     muffleCondition(cond, pattern = "^muffle")
[10:55:43.667]                   }
[10:55:43.667]                 }
[10:55:43.667]             }
[10:55:43.667]         }))
[10:55:43.667]     }, error = function(ex) {
[10:55:43.667]         base::structure(base::list(value = NULL, visible = NULL, 
[10:55:43.667]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:43.667]                 ...future.rng), started = ...future.startTime, 
[10:55:43.667]             finished = Sys.time(), session_uuid = NA_character_, 
[10:55:43.667]             version = "1.8"), class = "FutureResult")
[10:55:43.667]     }, finally = {
[10:55:43.667]         if (!identical(...future.workdir, getwd())) 
[10:55:43.667]             setwd(...future.workdir)
[10:55:43.667]         {
[10:55:43.667]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:55:43.667]                 ...future.oldOptions$nwarnings <- NULL
[10:55:43.667]             }
[10:55:43.667]             base::options(...future.oldOptions)
[10:55:43.667]             if (.Platform$OS.type == "windows") {
[10:55:43.667]                 old_names <- names(...future.oldEnvVars)
[10:55:43.667]                 envs <- base::Sys.getenv()
[10:55:43.667]                 names <- names(envs)
[10:55:43.667]                 common <- intersect(names, old_names)
[10:55:43.667]                 added <- setdiff(names, old_names)
[10:55:43.667]                 removed <- setdiff(old_names, names)
[10:55:43.667]                 changed <- common[...future.oldEnvVars[common] != 
[10:55:43.667]                   envs[common]]
[10:55:43.667]                 NAMES <- toupper(changed)
[10:55:43.667]                 args <- list()
[10:55:43.667]                 for (kk in seq_along(NAMES)) {
[10:55:43.667]                   name <- changed[[kk]]
[10:55:43.667]                   NAME <- NAMES[[kk]]
[10:55:43.667]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:43.667]                     next
[10:55:43.667]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:43.667]                 }
[10:55:43.667]                 NAMES <- toupper(added)
[10:55:43.667]                 for (kk in seq_along(NAMES)) {
[10:55:43.667]                   name <- added[[kk]]
[10:55:43.667]                   NAME <- NAMES[[kk]]
[10:55:43.667]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:43.667]                     next
[10:55:43.667]                   args[[name]] <- ""
[10:55:43.667]                 }
[10:55:43.667]                 NAMES <- toupper(removed)
[10:55:43.667]                 for (kk in seq_along(NAMES)) {
[10:55:43.667]                   name <- removed[[kk]]
[10:55:43.667]                   NAME <- NAMES[[kk]]
[10:55:43.667]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:43.667]                     next
[10:55:43.667]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:43.667]                 }
[10:55:43.667]                 if (length(args) > 0) 
[10:55:43.667]                   base::do.call(base::Sys.setenv, args = args)
[10:55:43.667]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:55:43.667]             }
[10:55:43.667]             else {
[10:55:43.667]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:55:43.667]             }
[10:55:43.667]             {
[10:55:43.667]                 if (base::length(...future.futureOptionsAdded) > 
[10:55:43.667]                   0L) {
[10:55:43.667]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:55:43.667]                   base::names(opts) <- ...future.futureOptionsAdded
[10:55:43.667]                   base::options(opts)
[10:55:43.667]                 }
[10:55:43.667]                 {
[10:55:43.667]                   NULL
[10:55:43.667]                   options(future.plan = NULL)
[10:55:43.667]                   if (is.na(NA_character_)) 
[10:55:43.667]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:55:43.667]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:55:43.667]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:55:43.667]                     .init = FALSE)
[10:55:43.667]                 }
[10:55:43.667]             }
[10:55:43.667]         }
[10:55:43.667]     })
[10:55:43.667]     if (TRUE) {
[10:55:43.667]         base::sink(type = "output", split = FALSE)
[10:55:43.667]         if (TRUE) {
[10:55:43.667]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:55:43.667]         }
[10:55:43.667]         else {
[10:55:43.667]             ...future.result["stdout"] <- base::list(NULL)
[10:55:43.667]         }
[10:55:43.667]         base::close(...future.stdout)
[10:55:43.667]         ...future.stdout <- NULL
[10:55:43.667]     }
[10:55:43.667]     ...future.result$conditions <- ...future.conditions
[10:55:43.667]     ...future.result$finished <- base::Sys.time()
[10:55:43.667]     ...future.result
[10:55:43.667] }
[10:55:43.784] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ... DONE
[10:55:43.785] plan(): nbrOfWorkers() = 2
> 
> message("*** Futures - lazy ...")
*** Futures - lazy ...
> 
> strategies <- c("mirai_cluster", "mirai_multisession")
> 
> for (strategy in strategies) {
+   mprintf("- plan('%s') ...", strategy)
+   plan(strategy)
+ 
+   a <- 42
+   f <- future(2 * a, lazy = TRUE)
+   a <- 21
+   v <- value(f)
+   stopifnot(v == 84)
+ 
+   a <- 42
+   v %<-% { 2 * a } %lazy% TRUE
+   a <- 21
+   stopifnot(v == 84)
+ 
+   mprintf("- plan('%s') ... DONE", strategy)
+ } ## for (strategy ...)
[10:55:43.793] - plan('mirai_cluster') ...[10:55:43.794] plan(): Setting new future strategy stack:
[10:55:43.794] List of future strategies:
[10:55:43.794] 1. mirai_cluster:
[10:55:43.794]    - args: function (expr, substitute = TRUE, envir = parent.frame(), ..., workers = "<NULL>")
[10:55:43.794]    - tweaked: FALSE
[10:55:43.794]    - call: plan(strategy)
[10:55:43.810] plan(): plan_init() of 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ...
[10:55:43.810] < mirai | $data >
[10:55:43.811] getGlobalsAndPackages() ...
[10:55:43.811] Not searching for globals
[10:55:43.811] - globals: [0] <none>
[10:55:43.811] getGlobalsAndPackages() ... DONE
[10:55:43.811] getGlobalsAndPackages() ...
[10:55:43.811] 
[10:55:43.812] - globals: [0] <none>
[10:55:43.812] getGlobalsAndPackages() ... DONE
[10:55:43.812] Packages needed by the future expression (n = 0): <none>
[10:55:43.812] Packages needed by future strategies (n = 0): <none>
[10:55:43.813] {
[10:55:43.813]     {
[10:55:43.813]         {
[10:55:43.813]             ...future.startTime <- base::Sys.time()
[10:55:43.813]             {
[10:55:43.813]                 {
[10:55:43.813]                   {
[10:55:43.813]                     base::local({
[10:55:43.813]                       has_future <- base::requireNamespace("future", 
[10:55:43.813]                         quietly = TRUE)
[10:55:43.813]                       if (has_future) {
[10:55:43.813]                         ns <- base::getNamespace("future")
[10:55:43.813]                         version <- ns[[".package"]][["version"]]
[10:55:43.813]                         if (is.null(version)) 
[10:55:43.813]                           version <- utils::packageVersion("future")
[10:55:43.813]                       }
[10:55:43.813]                       else {
[10:55:43.813]                         version <- NULL
[10:55:43.813]                       }
[10:55:43.813]                       if (!has_future || version < "1.8.0") {
[10:55:43.813]                         info <- base::c(r_version = base::gsub("R version ", 
[10:55:43.813]                           "", base::R.version$version.string), 
[10:55:43.813]                           platform = base::sprintf("%s (%s-bit)", 
[10:55:43.813]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:55:43.813]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:55:43.813]                             "release", "version")], collapse = " "), 
[10:55:43.813]                           hostname = base::Sys.info()[["nodename"]])
[10:55:43.813]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:55:43.813]                           info)
[10:55:43.813]                         info <- base::paste(info, collapse = "; ")
[10:55:43.813]                         if (!has_future) {
[10:55:43.813]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:55:43.813]                             info)
[10:55:43.813]                         }
[10:55:43.813]                         else {
[10:55:43.813]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:55:43.813]                             info, version)
[10:55:43.813]                         }
[10:55:43.813]                         base::stop(msg)
[10:55:43.813]                       }
[10:55:43.813]                     })
[10:55:43.813]                   }
[10:55:43.813]                   ...future.strategy.old <- future::plan("list")
[10:55:43.813]                   options(future.plan = NULL)
[10:55:43.813]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:55:43.813]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:55:43.813]                 }
[10:55:43.813]                 ...future.workdir <- getwd()
[10:55:43.813]             }
[10:55:43.813]             ...future.oldOptions <- base::as.list(base::.Options)
[10:55:43.813]             ...future.oldEnvVars <- base::Sys.getenv()
[10:55:43.813]         }
[10:55:43.813]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[10:55:43.813]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:55:43.813]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[10:55:43.813]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[10:55:43.813]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:55:43.813]             future.stdout.windows.reencode = NULL, width = 80L)
[10:55:43.813]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:55:43.813]             base::names(...future.oldOptions))
[10:55:43.813]     }
[10:55:43.813]     if (FALSE) {
[10:55:43.813]     }
[10:55:43.813]     else {
[10:55:43.813]         if (TRUE) {
[10:55:43.813]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:55:43.813]                 open = "w")
[10:55:43.813]         }
[10:55:43.813]         else {
[10:55:43.813]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:55:43.813]                 windows = "NUL", "/dev/null"), open = "w")
[10:55:43.813]         }
[10:55:43.813]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:55:43.813]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:55:43.813]             base::sink(type = "output", split = FALSE)
[10:55:43.813]             base::close(...future.stdout)
[10:55:43.813]         }, add = TRUE)
[10:55:43.813]     }
[10:55:43.813]     ...future.frame <- base::sys.nframe()
[10:55:43.813]     ...future.conditions <- base::list()
[10:55:43.813]     ...future.rng <- base::globalenv()$.Random.seed
[10:55:43.813]     if (FALSE) {
[10:55:43.813]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:55:43.813]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:55:43.813]     }
[10:55:43.813]     ...future.result <- base::tryCatch({
[10:55:43.813]         base::withCallingHandlers({
[10:55:43.813]             ...future.value <- base::withVisible(base::local(NA))
[10:55:43.813]             future::FutureResult(value = ...future.value$value, 
[10:55:43.813]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:43.813]                   ...future.rng), globalenv = if (FALSE) 
[10:55:43.813]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:55:43.813]                     ...future.globalenv.names))
[10:55:43.813]                 else NULL, started = ...future.startTime, version = "1.8")
[10:55:43.813]         }, condition = base::local({
[10:55:43.813]             c <- base::c
[10:55:43.813]             inherits <- base::inherits
[10:55:43.813]             invokeRestart <- base::invokeRestart
[10:55:43.813]             length <- base::length
[10:55:43.813]             list <- base::list
[10:55:43.813]             seq.int <- base::seq.int
[10:55:43.813]             signalCondition <- base::signalCondition
[10:55:43.813]             sys.calls <- base::sys.calls
[10:55:43.813]             `[[` <- base::`[[`
[10:55:43.813]             `+` <- base::`+`
[10:55:43.813]             `<<-` <- base::`<<-`
[10:55:43.813]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:55:43.813]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:55:43.813]                   3L)]
[10:55:43.813]             }
[10:55:43.813]             function(cond) {
[10:55:43.813]                 is_error <- inherits(cond, "error")
[10:55:43.813]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:55:43.813]                   NULL)
[10:55:43.813]                 if (is_error) {
[10:55:43.813]                   sessionInformation <- function() {
[10:55:43.813]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:55:43.813]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:55:43.813]                       search = base::search(), system = base::Sys.info())
[10:55:43.813]                   }
[10:55:43.813]                   ...future.conditions[[length(...future.conditions) + 
[10:55:43.813]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:55:43.813]                     cond$call), session = sessionInformation(), 
[10:55:43.813]                     timestamp = base::Sys.time(), signaled = 0L)
[10:55:43.813]                   signalCondition(cond)
[10:55:43.813]                 }
[10:55:43.813]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:55:43.813]                   signal <- FALSE && inherits(cond, character(0))
[10:55:43.813]                   ...future.conditions[[length(...future.conditions) + 
[10:55:43.813]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:55:43.813]                   if (FALSE && !signal) {
[10:55:43.813]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:43.813]                     {
[10:55:43.813]                       inherits <- base::inherits
[10:55:43.813]                       invokeRestart <- base::invokeRestart
[10:55:43.813]                       is.null <- base::is.null
[10:55:43.813]                       muffled <- FALSE
[10:55:43.813]                       if (inherits(cond, "message")) {
[10:55:43.813]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:43.813]                         if (muffled) 
[10:55:43.813]                           invokeRestart("muffleMessage")
[10:55:43.813]                       }
[10:55:43.813]                       else if (inherits(cond, "warning")) {
[10:55:43.813]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:43.813]                         if (muffled) 
[10:55:43.813]                           invokeRestart("muffleWarning")
[10:55:43.813]                       }
[10:55:43.813]                       else if (inherits(cond, "condition")) {
[10:55:43.813]                         if (!is.null(pattern)) {
[10:55:43.813]                           computeRestarts <- base::computeRestarts
[10:55:43.813]                           grepl <- base::grepl
[10:55:43.813]                           restarts <- computeRestarts(cond)
[10:55:43.813]                           for (restart in restarts) {
[10:55:43.813]                             name <- restart$name
[10:55:43.813]                             if (is.null(name)) 
[10:55:43.813]                               next
[10:55:43.813]                             if (!grepl(pattern, name)) 
[10:55:43.813]                               next
[10:55:43.813]                             invokeRestart(restart)
[10:55:43.813]                             muffled <- TRUE
[10:55:43.813]                             break
[10:55:43.813]                           }
[10:55:43.813]                         }
[10:55:43.813]                       }
[10:55:43.813]                       invisible(muffled)
[10:55:43.813]                     }
[10:55:43.813]                     muffleCondition(cond, pattern = "^muffle")
[10:55:43.813]                   }
[10:55:43.813]                 }
[10:55:43.813]                 else {
[10:55:43.813]                   if (TRUE) {
[10:55:43.813]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:43.813]                     {
[10:55:43.813]                       inherits <- base::inherits
[10:55:43.813]                       invokeRestart <- base::invokeRestart
[10:55:43.813]                       is.null <- base::is.null
[10:55:43.813]                       muffled <- FALSE
[10:55:43.813]                       if (inherits(cond, "message")) {
[10:55:43.813]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:43.813]                         if (muffled) 
[10:55:43.813]                           invokeRestart("muffleMessage")
[10:55:43.813]                       }
[10:55:43.813]                       else if (inherits(cond, "warning")) {
[10:55:43.813]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:43.813]                         if (muffled) 
[10:55:43.813]                           invokeRestart("muffleWarning")
[10:55:43.813]                       }
[10:55:43.813]                       else if (inherits(cond, "condition")) {
[10:55:43.813]                         if (!is.null(pattern)) {
[10:55:43.813]                           computeRestarts <- base::computeRestarts
[10:55:43.813]                           grepl <- base::grepl
[10:55:43.813]                           restarts <- computeRestarts(cond)
[10:55:43.813]                           for (restart in restarts) {
[10:55:43.813]                             name <- restart$name
[10:55:43.813]                             if (is.null(name)) 
[10:55:43.813]                               next
[10:55:43.813]                             if (!grepl(pattern, name)) 
[10:55:43.813]                               next
[10:55:43.813]                             invokeRestart(restart)
[10:55:43.813]                             muffled <- TRUE
[10:55:43.813]                             break
[10:55:43.813]                           }
[10:55:43.813]                         }
[10:55:43.813]                       }
[10:55:43.813]                       invisible(muffled)
[10:55:43.813]                     }
[10:55:43.813]                     muffleCondition(cond, pattern = "^muffle")
[10:55:43.813]                   }
[10:55:43.813]                 }
[10:55:43.813]             }
[10:55:43.813]         }))
[10:55:43.813]     }, error = function(ex) {
[10:55:43.813]         base::structure(base::list(value = NULL, visible = NULL, 
[10:55:43.813]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:43.813]                 ...future.rng), started = ...future.startTime, 
[10:55:43.813]             finished = Sys.time(), session_uuid = NA_character_, 
[10:55:43.813]             version = "1.8"), class = "FutureResult")
[10:55:43.813]     }, finally = {
[10:55:43.813]         if (!identical(...future.workdir, getwd())) 
[10:55:43.813]             setwd(...future.workdir)
[10:55:43.813]         {
[10:55:43.813]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:55:43.813]                 ...future.oldOptions$nwarnings <- NULL
[10:55:43.813]             }
[10:55:43.813]             base::options(...future.oldOptions)
[10:55:43.813]             if (.Platform$OS.type == "windows") {
[10:55:43.813]                 old_names <- names(...future.oldEnvVars)
[10:55:43.813]                 envs <- base::Sys.getenv()
[10:55:43.813]                 names <- names(envs)
[10:55:43.813]                 common <- intersect(names, old_names)
[10:55:43.813]                 added <- setdiff(names, old_names)
[10:55:43.813]                 removed <- setdiff(old_names, names)
[10:55:43.813]                 changed <- common[...future.oldEnvVars[common] != 
[10:55:43.813]                   envs[common]]
[10:55:43.813]                 NAMES <- toupper(changed)
[10:55:43.813]                 args <- list()
[10:55:43.813]                 for (kk in seq_along(NAMES)) {
[10:55:43.813]                   name <- changed[[kk]]
[10:55:43.813]                   NAME <- NAMES[[kk]]
[10:55:43.813]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:43.813]                     next
[10:55:43.813]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:43.813]                 }
[10:55:43.813]                 NAMES <- toupper(added)
[10:55:43.813]                 for (kk in seq_along(NAMES)) {
[10:55:43.813]                   name <- added[[kk]]
[10:55:43.813]                   NAME <- NAMES[[kk]]
[10:55:43.813]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:43.813]                     next
[10:55:43.813]                   args[[name]] <- ""
[10:55:43.813]                 }
[10:55:43.813]                 NAMES <- toupper(removed)
[10:55:43.813]                 for (kk in seq_along(NAMES)) {
[10:55:43.813]                   name <- removed[[kk]]
[10:55:43.813]                   NAME <- NAMES[[kk]]
[10:55:43.813]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:43.813]                     next
[10:55:43.813]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:43.813]                 }
[10:55:43.813]                 if (length(args) > 0) 
[10:55:43.813]                   base::do.call(base::Sys.setenv, args = args)
[10:55:43.813]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:55:43.813]             }
[10:55:43.813]             else {
[10:55:43.813]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:55:43.813]             }
[10:55:43.813]             {
[10:55:43.813]                 if (base::length(...future.futureOptionsAdded) > 
[10:55:43.813]                   0L) {
[10:55:43.813]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:55:43.813]                   base::names(opts) <- ...future.futureOptionsAdded
[10:55:43.813]                   base::options(opts)
[10:55:43.813]                 }
[10:55:43.813]                 {
[10:55:43.813]                   NULL
[10:55:43.813]                   options(future.plan = NULL)
[10:55:43.813]                   if (is.na(NA_character_)) 
[10:55:43.813]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:55:43.813]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:55:43.813]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:55:43.813]                     .init = FALSE)
[10:55:43.813]                 }
[10:55:43.813]             }
[10:55:43.813]         }
[10:55:43.813]     })
[10:55:43.813]     if (TRUE) {
[10:55:43.813]         base::sink(type = "output", split = FALSE)
[10:55:43.813]         if (TRUE) {
[10:55:43.813]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:55:43.813]         }
[10:55:43.813]         else {
[10:55:43.813]             ...future.result["stdout"] <- base::list(NULL)
[10:55:43.813]         }
[10:55:43.813]         base::close(...future.stdout)
[10:55:43.813]         ...future.stdout <- NULL
[10:55:43.813]     }
[10:55:43.813]     ...future.result$conditions <- ...future.conditions
[10:55:43.813]     ...future.result$finished <- base::Sys.time()
[10:55:43.813]     ...future.result
[10:55:43.813] }
[10:55:43.986] plan(): plan_init() of 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ... DONE
[10:55:43.987] plan(): nbrOfWorkers() = 2
[10:55:43.987] getGlobalsAndPackages() ...
[10:55:43.987] Searching for globals...
[10:55:43.991] - globals found: [2] '*', 'a'
[10:55:43.992] Searching for globals ... DONE
[10:55:43.992] Resolving globals: FALSE
[10:55:43.993] The total size of the 1 globals is 56 bytes (56 bytes)
[10:55:43.994] The total size of the 1 globals exported for future expression ('2 * a') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[10:55:43.994] - globals: [1] 'a'
[10:55:43.994] 
[10:55:43.994] getGlobalsAndPackages() ... DONE
[10:55:43.995] run() for 'Future' ...
[10:55:43.995] - state: 'created'
[10:55:43.995] - Future backend: 'FutureStrategy', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[10:55:43.996] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[10:55:43.996] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[10:55:43.996]   - Field: 'label'
[10:55:43.996]   - Field: 'local'
[10:55:43.997]   - Field: 'owner'
[10:55:43.997]   - Field: 'envir'
[10:55:43.997]   - Field: 'packages'
[10:55:43.997]   - Field: 'gc'
[10:55:43.997]   - Field: 'conditions'
[10:55:43.997]   - Field: 'expr'
[10:55:43.998]   - Field: 'uuid'
[10:55:43.998]   - Field: 'seed'
[10:55:43.998]   - Field: 'version'
[10:55:43.998]   - Field: 'result'
[10:55:43.998]   - Field: 'asynchronous'
[10:55:43.998]   - Field: 'calls'
[10:55:43.999]   - Field: 'globals'
[10:55:43.999]   - Field: 'stdout'
[10:55:43.999]   - Field: 'earlySignal'
[10:55:43.999]   - Field: 'lazy'
[10:55:43.999]   - Field: 'state'
[10:55:43.999]   - Field: '.cluster'
[10:55:44.000] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[10:55:44.000] - Launch lazy future ...
[10:55:44.000] Packages needed by the future expression (n = 0): <none>
[10:55:44.000] Packages needed by future strategies (n = 0): <none>
[10:55:44.001] {
[10:55:44.001]     {
[10:55:44.001]         {
[10:55:44.001]             ...future.startTime <- base::Sys.time()
[10:55:44.001]             {
[10:55:44.001]                 {
[10:55:44.001]                   {
[10:55:44.001]                     base::local({
[10:55:44.001]                       has_future <- base::requireNamespace("future", 
[10:55:44.001]                         quietly = TRUE)
[10:55:44.001]                       if (has_future) {
[10:55:44.001]                         ns <- base::getNamespace("future")
[10:55:44.001]                         version <- ns[[".package"]][["version"]]
[10:55:44.001]                         if (is.null(version)) 
[10:55:44.001]                           version <- utils::packageVersion("future")
[10:55:44.001]                       }
[10:55:44.001]                       else {
[10:55:44.001]                         version <- NULL
[10:55:44.001]                       }
[10:55:44.001]                       if (!has_future || version < "1.8.0") {
[10:55:44.001]                         info <- base::c(r_version = base::gsub("R version ", 
[10:55:44.001]                           "", base::R.version$version.string), 
[10:55:44.001]                           platform = base::sprintf("%s (%s-bit)", 
[10:55:44.001]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:55:44.001]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:55:44.001]                             "release", "version")], collapse = " "), 
[10:55:44.001]                           hostname = base::Sys.info()[["nodename"]])
[10:55:44.001]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:55:44.001]                           info)
[10:55:44.001]                         info <- base::paste(info, collapse = "; ")
[10:55:44.001]                         if (!has_future) {
[10:55:44.001]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:55:44.001]                             info)
[10:55:44.001]                         }
[10:55:44.001]                         else {
[10:55:44.001]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:55:44.001]                             info, version)
[10:55:44.001]                         }
[10:55:44.001]                         base::stop(msg)
[10:55:44.001]                       }
[10:55:44.001]                     })
[10:55:44.001]                   }
[10:55:44.001]                   ...future.strategy.old <- future::plan("list")
[10:55:44.001]                   options(future.plan = NULL)
[10:55:44.001]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:55:44.001]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:55:44.001]                 }
[10:55:44.001]                 ...future.workdir <- getwd()
[10:55:44.001]             }
[10:55:44.001]             ...future.oldOptions <- base::as.list(base::.Options)
[10:55:44.001]             ...future.oldEnvVars <- base::Sys.getenv()
[10:55:44.001]         }
[10:55:44.001]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[10:55:44.001]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:55:44.001]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[10:55:44.001]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[10:55:44.001]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:55:44.001]             future.stdout.windows.reencode = NULL, width = 80L)
[10:55:44.001]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:55:44.001]             base::names(...future.oldOptions))
[10:55:44.001]     }
[10:55:44.001]     if (FALSE) {
[10:55:44.001]     }
[10:55:44.001]     else {
[10:55:44.001]         if (TRUE) {
[10:55:44.001]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:55:44.001]                 open = "w")
[10:55:44.001]         }
[10:55:44.001]         else {
[10:55:44.001]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:55:44.001]                 windows = "NUL", "/dev/null"), open = "w")
[10:55:44.001]         }
[10:55:44.001]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:55:44.001]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:55:44.001]             base::sink(type = "output", split = FALSE)
[10:55:44.001]             base::close(...future.stdout)
[10:55:44.001]         }, add = TRUE)
[10:55:44.001]     }
[10:55:44.001]     ...future.frame <- base::sys.nframe()
[10:55:44.001]     ...future.conditions <- base::list()
[10:55:44.001]     ...future.rng <- base::globalenv()$.Random.seed
[10:55:44.001]     if (FALSE) {
[10:55:44.001]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:55:44.001]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:55:44.001]     }
[10:55:44.001]     ...future.result <- base::tryCatch({
[10:55:44.001]         base::withCallingHandlers({
[10:55:44.001]             ...future.value <- base::withVisible(base::local(2 * 
[10:55:44.001]                 a))
[10:55:44.001]             future::FutureResult(value = ...future.value$value, 
[10:55:44.001]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:44.001]                   ...future.rng), globalenv = if (FALSE) 
[10:55:44.001]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:55:44.001]                     ...future.globalenv.names))
[10:55:44.001]                 else NULL, started = ...future.startTime, version = "1.8")
[10:55:44.001]         }, condition = base::local({
[10:55:44.001]             c <- base::c
[10:55:44.001]             inherits <- base::inherits
[10:55:44.001]             invokeRestart <- base::invokeRestart
[10:55:44.001]             length <- base::length
[10:55:44.001]             list <- base::list
[10:55:44.001]             seq.int <- base::seq.int
[10:55:44.001]             signalCondition <- base::signalCondition
[10:55:44.001]             sys.calls <- base::sys.calls
[10:55:44.001]             `[[` <- base::`[[`
[10:55:44.001]             `+` <- base::`+`
[10:55:44.001]             `<<-` <- base::`<<-`
[10:55:44.001]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:55:44.001]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:55:44.001]                   3L)]
[10:55:44.001]             }
[10:55:44.001]             function(cond) {
[10:55:44.001]                 is_error <- inherits(cond, "error")
[10:55:44.001]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:55:44.001]                   NULL)
[10:55:44.001]                 if (is_error) {
[10:55:44.001]                   sessionInformation <- function() {
[10:55:44.001]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:55:44.001]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:55:44.001]                       search = base::search(), system = base::Sys.info())
[10:55:44.001]                   }
[10:55:44.001]                   ...future.conditions[[length(...future.conditions) + 
[10:55:44.001]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:55:44.001]                     cond$call), session = sessionInformation(), 
[10:55:44.001]                     timestamp = base::Sys.time(), signaled = 0L)
[10:55:44.001]                   signalCondition(cond)
[10:55:44.001]                 }
[10:55:44.001]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:55:44.001]                   signal <- FALSE && inherits(cond, character(0))
[10:55:44.001]                   ...future.conditions[[length(...future.conditions) + 
[10:55:44.001]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:55:44.001]                   if (FALSE && !signal) {
[10:55:44.001]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:44.001]                     {
[10:55:44.001]                       inherits <- base::inherits
[10:55:44.001]                       invokeRestart <- base::invokeRestart
[10:55:44.001]                       is.null <- base::is.null
[10:55:44.001]                       muffled <- FALSE
[10:55:44.001]                       if (inherits(cond, "message")) {
[10:55:44.001]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:44.001]                         if (muffled) 
[10:55:44.001]                           invokeRestart("muffleMessage")
[10:55:44.001]                       }
[10:55:44.001]                       else if (inherits(cond, "warning")) {
[10:55:44.001]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:44.001]                         if (muffled) 
[10:55:44.001]                           invokeRestart("muffleWarning")
[10:55:44.001]                       }
[10:55:44.001]                       else if (inherits(cond, "condition")) {
[10:55:44.001]                         if (!is.null(pattern)) {
[10:55:44.001]                           computeRestarts <- base::computeRestarts
[10:55:44.001]                           grepl <- base::grepl
[10:55:44.001]                           restarts <- computeRestarts(cond)
[10:55:44.001]                           for (restart in restarts) {
[10:55:44.001]                             name <- restart$name
[10:55:44.001]                             if (is.null(name)) 
[10:55:44.001]                               next
[10:55:44.001]                             if (!grepl(pattern, name)) 
[10:55:44.001]                               next
[10:55:44.001]                             invokeRestart(restart)
[10:55:44.001]                             muffled <- TRUE
[10:55:44.001]                             break
[10:55:44.001]                           }
[10:55:44.001]                         }
[10:55:44.001]                       }
[10:55:44.001]                       invisible(muffled)
[10:55:44.001]                     }
[10:55:44.001]                     muffleCondition(cond, pattern = "^muffle")
[10:55:44.001]                   }
[10:55:44.001]                 }
[10:55:44.001]                 else {
[10:55:44.001]                   if (TRUE) {
[10:55:44.001]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:44.001]                     {
[10:55:44.001]                       inherits <- base::inherits
[10:55:44.001]                       invokeRestart <- base::invokeRestart
[10:55:44.001]                       is.null <- base::is.null
[10:55:44.001]                       muffled <- FALSE
[10:55:44.001]                       if (inherits(cond, "message")) {
[10:55:44.001]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:44.001]                         if (muffled) 
[10:55:44.001]                           invokeRestart("muffleMessage")
[10:55:44.001]                       }
[10:55:44.001]                       else if (inherits(cond, "warning")) {
[10:55:44.001]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:44.001]                         if (muffled) 
[10:55:44.001]                           invokeRestart("muffleWarning")
[10:55:44.001]                       }
[10:55:44.001]                       else if (inherits(cond, "condition")) {
[10:55:44.001]                         if (!is.null(pattern)) {
[10:55:44.001]                           computeRestarts <- base::computeRestarts
[10:55:44.001]                           grepl <- base::grepl
[10:55:44.001]                           restarts <- computeRestarts(cond)
[10:55:44.001]                           for (restart in restarts) {
[10:55:44.001]                             name <- restart$name
[10:55:44.001]                             if (is.null(name)) 
[10:55:44.001]                               next
[10:55:44.001]                             if (!grepl(pattern, name)) 
[10:55:44.001]                               next
[10:55:44.001]                             invokeRestart(restart)
[10:55:44.001]                             muffled <- TRUE
[10:55:44.001]                             break
[10:55:44.001]                           }
[10:55:44.001]                         }
[10:55:44.001]                       }
[10:55:44.001]                       invisible(muffled)
[10:55:44.001]                     }
[10:55:44.001]                     muffleCondition(cond, pattern = "^muffle")
[10:55:44.001]                   }
[10:55:44.001]                 }
[10:55:44.001]             }
[10:55:44.001]         }))
[10:55:44.001]     }, error = function(ex) {
[10:55:44.001]         base::structure(base::list(value = NULL, visible = NULL, 
[10:55:44.001]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:44.001]                 ...future.rng), started = ...future.startTime, 
[10:55:44.001]             finished = Sys.time(), session_uuid = NA_character_, 
[10:55:44.001]             version = "1.8"), class = "FutureResult")
[10:55:44.001]     }, finally = {
[10:55:44.001]         if (!identical(...future.workdir, getwd())) 
[10:55:44.001]             setwd(...future.workdir)
[10:55:44.001]         {
[10:55:44.001]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:55:44.001]                 ...future.oldOptions$nwarnings <- NULL
[10:55:44.001]             }
[10:55:44.001]             base::options(...future.oldOptions)
[10:55:44.001]             if (.Platform$OS.type == "windows") {
[10:55:44.001]                 old_names <- names(...future.oldEnvVars)
[10:55:44.001]                 envs <- base::Sys.getenv()
[10:55:44.001]                 names <- names(envs)
[10:55:44.001]                 common <- intersect(names, old_names)
[10:55:44.001]                 added <- setdiff(names, old_names)
[10:55:44.001]                 removed <- setdiff(old_names, names)
[10:55:44.001]                 changed <- common[...future.oldEnvVars[common] != 
[10:55:44.001]                   envs[common]]
[10:55:44.001]                 NAMES <- toupper(changed)
[10:55:44.001]                 args <- list()
[10:55:44.001]                 for (kk in seq_along(NAMES)) {
[10:55:44.001]                   name <- changed[[kk]]
[10:55:44.001]                   NAME <- NAMES[[kk]]
[10:55:44.001]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.001]                     next
[10:55:44.001]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:44.001]                 }
[10:55:44.001]                 NAMES <- toupper(added)
[10:55:44.001]                 for (kk in seq_along(NAMES)) {
[10:55:44.001]                   name <- added[[kk]]
[10:55:44.001]                   NAME <- NAMES[[kk]]
[10:55:44.001]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.001]                     next
[10:55:44.001]                   args[[name]] <- ""
[10:55:44.001]                 }
[10:55:44.001]                 NAMES <- toupper(removed)
[10:55:44.001]                 for (kk in seq_along(NAMES)) {
[10:55:44.001]                   name <- removed[[kk]]
[10:55:44.001]                   NAME <- NAMES[[kk]]
[10:55:44.001]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.001]                     next
[10:55:44.001]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:44.001]                 }
[10:55:44.001]                 if (length(args) > 0) 
[10:55:44.001]                   base::do.call(base::Sys.setenv, args = args)
[10:55:44.001]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:55:44.001]             }
[10:55:44.001]             else {
[10:55:44.001]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:55:44.001]             }
[10:55:44.001]             {
[10:55:44.001]                 if (base::length(...future.futureOptionsAdded) > 
[10:55:44.001]                   0L) {
[10:55:44.001]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:55:44.001]                   base::names(opts) <- ...future.futureOptionsAdded
[10:55:44.001]                   base::options(opts)
[10:55:44.001]                 }
[10:55:44.001]                 {
[10:55:44.001]                   NULL
[10:55:44.001]                   options(future.plan = NULL)
[10:55:44.001]                   if (is.na(NA_character_)) 
[10:55:44.001]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:55:44.001]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:55:44.001]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:55:44.001]                     .init = FALSE)
[10:55:44.001]                 }
[10:55:44.001]             }
[10:55:44.001]         }
[10:55:44.001]     })
[10:55:44.001]     if (TRUE) {
[10:55:44.001]         base::sink(type = "output", split = FALSE)
[10:55:44.001]         if (TRUE) {
[10:55:44.001]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:55:44.001]         }
[10:55:44.001]         else {
[10:55:44.001]             ...future.result["stdout"] <- base::list(NULL)
[10:55:44.001]         }
[10:55:44.001]         base::close(...future.stdout)
[10:55:44.001]         ...future.stdout <- NULL
[10:55:44.001]     }
[10:55:44.001]     ...future.result$conditions <- ...future.conditions
[10:55:44.001]     ...future.result$finished <- base::Sys.time()
[10:55:44.001]     ...future.result
[10:55:44.001] }
[10:55:44.005] - Launch lazy future ... done
[10:55:44.005] run() for 'MiraiFuture' ... done
[10:55:44.008] getGlobalsAndPackages() ...
[10:55:44.009] Searching for globals...
[10:55:44.012] - globals found: [3] '{', '*', 'a'
[10:55:44.013] Searching for globals ... DONE
[10:55:44.013] Resolving globals: FALSE
[10:55:44.013] The total size of the 1 globals is 56 bytes (56 bytes)
[10:55:44.014] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[10:55:44.014] - globals: [1] 'a'
[10:55:44.014] 
[10:55:44.014] getGlobalsAndPackages() ... DONE
[10:55:44.015] run() for 'Future' ...
[10:55:44.015] - state: 'created'
[10:55:44.015] - Future backend: 'FutureStrategy', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[10:55:44.015] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[10:55:44.016] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[10:55:44.016]   - Field: 'label'
[10:55:44.016]   - Field: 'local'
[10:55:44.016]   - Field: 'owner'
[10:55:44.016]   - Field: 'envir'
[10:55:44.017]   - Field: 'packages'
[10:55:44.017]   - Field: 'gc'
[10:55:44.017]   - Field: 'conditions'
[10:55:44.017]   - Field: 'expr'
[10:55:44.017]   - Field: 'uuid'
[10:55:44.017]   - Field: 'seed'
[10:55:44.018]   - Field: 'version'
[10:55:44.018]   - Field: 'result'
[10:55:44.018]   - Field: 'asynchronous'
[10:55:44.018]   - Field: 'calls'
[10:55:44.018]   - Field: 'globals'
[10:55:44.018]   - Field: 'stdout'
[10:55:44.019]   - Field: 'earlySignal'
[10:55:44.019]   - Field: 'lazy'
[10:55:44.019]   - Field: 'state'
[10:55:44.019]   - Field: '.cluster'
[10:55:44.019] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[10:55:44.020] - Launch lazy future ...
[10:55:44.020] Packages needed by the future expression (n = 0): <none>
[10:55:44.020] Packages needed by future strategies (n = 0): <none>
[10:55:44.021] {
[10:55:44.021]     {
[10:55:44.021]         {
[10:55:44.021]             ...future.startTime <- base::Sys.time()
[10:55:44.021]             {
[10:55:44.021]                 {
[10:55:44.021]                   {
[10:55:44.021]                     base::local({
[10:55:44.021]                       has_future <- base::requireNamespace("future", 
[10:55:44.021]                         quietly = TRUE)
[10:55:44.021]                       if (has_future) {
[10:55:44.021]                         ns <- base::getNamespace("future")
[10:55:44.021]                         version <- ns[[".package"]][["version"]]
[10:55:44.021]                         if (is.null(version)) 
[10:55:44.021]                           version <- utils::packageVersion("future")
[10:55:44.021]                       }
[10:55:44.021]                       else {
[10:55:44.021]                         version <- NULL
[10:55:44.021]                       }
[10:55:44.021]                       if (!has_future || version < "1.8.0") {
[10:55:44.021]                         info <- base::c(r_version = base::gsub("R version ", 
[10:55:44.021]                           "", base::R.version$version.string), 
[10:55:44.021]                           platform = base::sprintf("%s (%s-bit)", 
[10:55:44.021]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:55:44.021]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:55:44.021]                             "release", "version")], collapse = " "), 
[10:55:44.021]                           hostname = base::Sys.info()[["nodename"]])
[10:55:44.021]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:55:44.021]                           info)
[10:55:44.021]                         info <- base::paste(info, collapse = "; ")
[10:55:44.021]                         if (!has_future) {
[10:55:44.021]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:55:44.021]                             info)
[10:55:44.021]                         }
[10:55:44.021]                         else {
[10:55:44.021]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:55:44.021]                             info, version)
[10:55:44.021]                         }
[10:55:44.021]                         base::stop(msg)
[10:55:44.021]                       }
[10:55:44.021]                     })
[10:55:44.021]                   }
[10:55:44.021]                   ...future.strategy.old <- future::plan("list")
[10:55:44.021]                   options(future.plan = NULL)
[10:55:44.021]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:55:44.021]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:55:44.021]                 }
[10:55:44.021]                 ...future.workdir <- getwd()
[10:55:44.021]             }
[10:55:44.021]             ...future.oldOptions <- base::as.list(base::.Options)
[10:55:44.021]             ...future.oldEnvVars <- base::Sys.getenv()
[10:55:44.021]         }
[10:55:44.021]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[10:55:44.021]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:55:44.021]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[10:55:44.021]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[10:55:44.021]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:55:44.021]             future.stdout.windows.reencode = NULL, width = 80L)
[10:55:44.021]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:55:44.021]             base::names(...future.oldOptions))
[10:55:44.021]     }
[10:55:44.021]     if (FALSE) {
[10:55:44.021]     }
[10:55:44.021]     else {
[10:55:44.021]         if (TRUE) {
[10:55:44.021]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:55:44.021]                 open = "w")
[10:55:44.021]         }
[10:55:44.021]         else {
[10:55:44.021]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:55:44.021]                 windows = "NUL", "/dev/null"), open = "w")
[10:55:44.021]         }
[10:55:44.021]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:55:44.021]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:55:44.021]             base::sink(type = "output", split = FALSE)
[10:55:44.021]             base::close(...future.stdout)
[10:55:44.021]         }, add = TRUE)
[10:55:44.021]     }
[10:55:44.021]     ...future.frame <- base::sys.nframe()
[10:55:44.021]     ...future.conditions <- base::list()
[10:55:44.021]     ...future.rng <- base::globalenv()$.Random.seed
[10:55:44.021]     if (FALSE) {
[10:55:44.021]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:55:44.021]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:55:44.021]     }
[10:55:44.021]     ...future.result <- base::tryCatch({
[10:55:44.021]         base::withCallingHandlers({
[10:55:44.021]             ...future.value <- base::withVisible(base::local({
[10:55:44.021]                 2 * a
[10:55:44.021]             }))
[10:55:44.021]             future::FutureResult(value = ...future.value$value, 
[10:55:44.021]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:44.021]                   ...future.rng), globalenv = if (FALSE) 
[10:55:44.021]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:55:44.021]                     ...future.globalenv.names))
[10:55:44.021]                 else NULL, started = ...future.startTime, version = "1.8")
[10:55:44.021]         }, condition = base::local({
[10:55:44.021]             c <- base::c
[10:55:44.021]             inherits <- base::inherits
[10:55:44.021]             invokeRestart <- base::invokeRestart
[10:55:44.021]             length <- base::length
[10:55:44.021]             list <- base::list
[10:55:44.021]             seq.int <- base::seq.int
[10:55:44.021]             signalCondition <- base::signalCondition
[10:55:44.021]             sys.calls <- base::sys.calls
[10:55:44.021]             `[[` <- base::`[[`
[10:55:44.021]             `+` <- base::`+`
[10:55:44.021]             `<<-` <- base::`<<-`
[10:55:44.021]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:55:44.021]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:55:44.021]                   3L)]
[10:55:44.021]             }
[10:55:44.021]             function(cond) {
[10:55:44.021]                 is_error <- inherits(cond, "error")
[10:55:44.021]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:55:44.021]                   NULL)
[10:55:44.021]                 if (is_error) {
[10:55:44.021]                   sessionInformation <- function() {
[10:55:44.021]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:55:44.021]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:55:44.021]                       search = base::search(), system = base::Sys.info())
[10:55:44.021]                   }
[10:55:44.021]                   ...future.conditions[[length(...future.conditions) + 
[10:55:44.021]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:55:44.021]                     cond$call), session = sessionInformation(), 
[10:55:44.021]                     timestamp = base::Sys.time(), signaled = 0L)
[10:55:44.021]                   signalCondition(cond)
[10:55:44.021]                 }
[10:55:44.021]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:55:44.021]                   signal <- FALSE && inherits(cond, character(0))
[10:55:44.021]                   ...future.conditions[[length(...future.conditions) + 
[10:55:44.021]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:55:44.021]                   if (FALSE && !signal) {
[10:55:44.021]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:44.021]                     {
[10:55:44.021]                       inherits <- base::inherits
[10:55:44.021]                       invokeRestart <- base::invokeRestart
[10:55:44.021]                       is.null <- base::is.null
[10:55:44.021]                       muffled <- FALSE
[10:55:44.021]                       if (inherits(cond, "message")) {
[10:55:44.021]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:44.021]                         if (muffled) 
[10:55:44.021]                           invokeRestart("muffleMessage")
[10:55:44.021]                       }
[10:55:44.021]                       else if (inherits(cond, "warning")) {
[10:55:44.021]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:44.021]                         if (muffled) 
[10:55:44.021]                           invokeRestart("muffleWarning")
[10:55:44.021]                       }
[10:55:44.021]                       else if (inherits(cond, "condition")) {
[10:55:44.021]                         if (!is.null(pattern)) {
[10:55:44.021]                           computeRestarts <- base::computeRestarts
[10:55:44.021]                           grepl <- base::grepl
[10:55:44.021]                           restarts <- computeRestarts(cond)
[10:55:44.021]                           for (restart in restarts) {
[10:55:44.021]                             name <- restart$name
[10:55:44.021]                             if (is.null(name)) 
[10:55:44.021]                               next
[10:55:44.021]                             if (!grepl(pattern, name)) 
[10:55:44.021]                               next
[10:55:44.021]                             invokeRestart(restart)
[10:55:44.021]                             muffled <- TRUE
[10:55:44.021]                             break
[10:55:44.021]                           }
[10:55:44.021]                         }
[10:55:44.021]                       }
[10:55:44.021]                       invisible(muffled)
[10:55:44.021]                     }
[10:55:44.021]                     muffleCondition(cond, pattern = "^muffle")
[10:55:44.021]                   }
[10:55:44.021]                 }
[10:55:44.021]                 else {
[10:55:44.021]                   if (TRUE) {
[10:55:44.021]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:44.021]                     {
[10:55:44.021]                       inherits <- base::inherits
[10:55:44.021]                       invokeRestart <- base::invokeRestart
[10:55:44.021]                       is.null <- base::is.null
[10:55:44.021]                       muffled <- FALSE
[10:55:44.021]                       if (inherits(cond, "message")) {
[10:55:44.021]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:44.021]                         if (muffled) 
[10:55:44.021]                           invokeRestart("muffleMessage")
[10:55:44.021]                       }
[10:55:44.021]                       else if (inherits(cond, "warning")) {
[10:55:44.021]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:44.021]                         if (muffled) 
[10:55:44.021]                           invokeRestart("muffleWarning")
[10:55:44.021]                       }
[10:55:44.021]                       else if (inherits(cond, "condition")) {
[10:55:44.021]                         if (!is.null(pattern)) {
[10:55:44.021]                           computeRestarts <- base::computeRestarts
[10:55:44.021]                           grepl <- base::grepl
[10:55:44.021]                           restarts <- computeRestarts(cond)
[10:55:44.021]                           for (restart in restarts) {
[10:55:44.021]                             name <- restart$name
[10:55:44.021]                             if (is.null(name)) 
[10:55:44.021]                               next
[10:55:44.021]                             if (!grepl(pattern, name)) 
[10:55:44.021]                               next
[10:55:44.021]                             invokeRestart(restart)
[10:55:44.021]                             muffled <- TRUE
[10:55:44.021]                             break
[10:55:44.021]                           }
[10:55:44.021]                         }
[10:55:44.021]                       }
[10:55:44.021]                       invisible(muffled)
[10:55:44.021]                     }
[10:55:44.021]                     muffleCondition(cond, pattern = "^muffle")
[10:55:44.021]                   }
[10:55:44.021]                 }
[10:55:44.021]             }
[10:55:44.021]         }))
[10:55:44.021]     }, error = function(ex) {
[10:55:44.021]         base::structure(base::list(value = NULL, visible = NULL, 
[10:55:44.021]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:44.021]                 ...future.rng), started = ...future.startTime, 
[10:55:44.021]             finished = Sys.time(), session_uuid = NA_character_, 
[10:55:44.021]             version = "1.8"), class = "FutureResult")
[10:55:44.021]     }, finally = {
[10:55:44.021]         if (!identical(...future.workdir, getwd())) 
[10:55:44.021]             setwd(...future.workdir)
[10:55:44.021]         {
[10:55:44.021]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:55:44.021]                 ...future.oldOptions$nwarnings <- NULL
[10:55:44.021]             }
[10:55:44.021]             base::options(...future.oldOptions)
[10:55:44.021]             if (.Platform$OS.type == "windows") {
[10:55:44.021]                 old_names <- names(...future.oldEnvVars)
[10:55:44.021]                 envs <- base::Sys.getenv()
[10:55:44.021]                 names <- names(envs)
[10:55:44.021]                 common <- intersect(names, old_names)
[10:55:44.021]                 added <- setdiff(names, old_names)
[10:55:44.021]                 removed <- setdiff(old_names, names)
[10:55:44.021]                 changed <- common[...future.oldEnvVars[common] != 
[10:55:44.021]                   envs[common]]
[10:55:44.021]                 NAMES <- toupper(changed)
[10:55:44.021]                 args <- list()
[10:55:44.021]                 for (kk in seq_along(NAMES)) {
[10:55:44.021]                   name <- changed[[kk]]
[10:55:44.021]                   NAME <- NAMES[[kk]]
[10:55:44.021]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.021]                     next
[10:55:44.021]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:44.021]                 }
[10:55:44.021]                 NAMES <- toupper(added)
[10:55:44.021]                 for (kk in seq_along(NAMES)) {
[10:55:44.021]                   name <- added[[kk]]
[10:55:44.021]                   NAME <- NAMES[[kk]]
[10:55:44.021]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.021]                     next
[10:55:44.021]                   args[[name]] <- ""
[10:55:44.021]                 }
[10:55:44.021]                 NAMES <- toupper(removed)
[10:55:44.021]                 for (kk in seq_along(NAMES)) {
[10:55:44.021]                   name <- removed[[kk]]
[10:55:44.021]                   NAME <- NAMES[[kk]]
[10:55:44.021]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.021]                     next
[10:55:44.021]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:44.021]                 }
[10:55:44.021]                 if (length(args) > 0) 
[10:55:44.021]                   base::do.call(base::Sys.setenv, args = args)
[10:55:44.021]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:55:44.021]             }
[10:55:44.021]             else {
[10:55:44.021]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:55:44.021]             }
[10:55:44.021]             {
[10:55:44.021]                 if (base::length(...future.futureOptionsAdded) > 
[10:55:44.021]                   0L) {
[10:55:44.021]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:55:44.021]                   base::names(opts) <- ...future.futureOptionsAdded
[10:55:44.021]                   base::options(opts)
[10:55:44.021]                 }
[10:55:44.021]                 {
[10:55:44.021]                   NULL
[10:55:44.021]                   options(future.plan = NULL)
[10:55:44.021]                   if (is.na(NA_character_)) 
[10:55:44.021]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:55:44.021]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:55:44.021]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:55:44.021]                     .init = FALSE)
[10:55:44.021]                 }
[10:55:44.021]             }
[10:55:44.021]         }
[10:55:44.021]     })
[10:55:44.021]     if (TRUE) {
[10:55:44.021]         base::sink(type = "output", split = FALSE)
[10:55:44.021]         if (TRUE) {
[10:55:44.021]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:55:44.021]         }
[10:55:44.021]         else {
[10:55:44.021]             ...future.result["stdout"] <- base::list(NULL)
[10:55:44.021]         }
[10:55:44.021]         base::close(...future.stdout)
[10:55:44.021]         ...future.stdout <- NULL
[10:55:44.021]     }
[10:55:44.021]     ...future.result$conditions <- ...future.conditions
[10:55:44.021]     ...future.result$finished <- base::Sys.time()
[10:55:44.021]     ...future.result
[10:55:44.021] }
[10:55:44.025] - Launch lazy future ... done
[10:55:44.025] run() for 'MiraiFuture' ... done
[10:55:44.029] - plan('mirai_cluster') ... DONE[10:55:44.030] - plan('mirai_multisession') ...[10:55:44.030] plan(): Setting new future strategy stack:
[10:55:44.030] List of future strategies:
[10:55:44.030] 1. mirai_multisession:
[10:55:44.030]    - args: function (expr, substitute = TRUE, envir = parent.frame(), ..., workers = availableCores())
[10:55:44.030]    - tweaked: FALSE
[10:55:44.030]    - call: plan(strategy)
[10:55:44.031] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ...
[10:55:44.033] < mirai | $data >
[10:55:44.036] getGlobalsAndPackages() ...
[10:55:44.036] Not searching for globals
[10:55:44.036] - globals: [0] <none>
[10:55:44.036] getGlobalsAndPackages() ... DONE
[10:55:44.037] getGlobalsAndPackages() ...
[10:55:44.037] 
[10:55:44.037] - globals: [0] <none>
[10:55:44.037] getGlobalsAndPackages() ... DONE
[10:55:44.037] Packages needed by the future expression (n = 0): <none>
[10:55:44.038] Packages needed by future strategies (n = 0): <none>
[10:55:44.038] {
[10:55:44.038]     {
[10:55:44.038]         {
[10:55:44.038]             ...future.startTime <- base::Sys.time()
[10:55:44.038]             {
[10:55:44.038]                 {
[10:55:44.038]                   {
[10:55:44.038]                     base::local({
[10:55:44.038]                       has_future <- base::requireNamespace("future", 
[10:55:44.038]                         quietly = TRUE)
[10:55:44.038]                       if (has_future) {
[10:55:44.038]                         ns <- base::getNamespace("future")
[10:55:44.038]                         version <- ns[[".package"]][["version"]]
[10:55:44.038]                         if (is.null(version)) 
[10:55:44.038]                           version <- utils::packageVersion("future")
[10:55:44.038]                       }
[10:55:44.038]                       else {
[10:55:44.038]                         version <- NULL
[10:55:44.038]                       }
[10:55:44.038]                       if (!has_future || version < "1.8.0") {
[10:55:44.038]                         info <- base::c(r_version = base::gsub("R version ", 
[10:55:44.038]                           "", base::R.version$version.string), 
[10:55:44.038]                           platform = base::sprintf("%s (%s-bit)", 
[10:55:44.038]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:55:44.038]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:55:44.038]                             "release", "version")], collapse = " "), 
[10:55:44.038]                           hostname = base::Sys.info()[["nodename"]])
[10:55:44.038]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:55:44.038]                           info)
[10:55:44.038]                         info <- base::paste(info, collapse = "; ")
[10:55:44.038]                         if (!has_future) {
[10:55:44.038]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:55:44.038]                             info)
[10:55:44.038]                         }
[10:55:44.038]                         else {
[10:55:44.038]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:55:44.038]                             info, version)
[10:55:44.038]                         }
[10:55:44.038]                         base::stop(msg)
[10:55:44.038]                       }
[10:55:44.038]                     })
[10:55:44.038]                   }
[10:55:44.038]                   ...future.strategy.old <- future::plan("list")
[10:55:44.038]                   options(future.plan = NULL)
[10:55:44.038]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:55:44.038]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:55:44.038]                 }
[10:55:44.038]                 ...future.workdir <- getwd()
[10:55:44.038]             }
[10:55:44.038]             ...future.oldOptions <- base::as.list(base::.Options)
[10:55:44.038]             ...future.oldEnvVars <- base::Sys.getenv()
[10:55:44.038]         }
[10:55:44.038]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[10:55:44.038]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:55:44.038]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[10:55:44.038]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[10:55:44.038]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:55:44.038]             future.stdout.windows.reencode = NULL, width = 80L)
[10:55:44.038]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:55:44.038]             base::names(...future.oldOptions))
[10:55:44.038]     }
[10:55:44.038]     if (FALSE) {
[10:55:44.038]     }
[10:55:44.038]     else {
[10:55:44.038]         if (TRUE) {
[10:55:44.038]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:55:44.038]                 open = "w")
[10:55:44.038]         }
[10:55:44.038]         else {
[10:55:44.038]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:55:44.038]                 windows = "NUL", "/dev/null"), open = "w")
[10:55:44.038]         }
[10:55:44.038]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:55:44.038]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:55:44.038]             base::sink(type = "output", split = FALSE)
[10:55:44.038]             base::close(...future.stdout)
[10:55:44.038]         }, add = TRUE)
[10:55:44.038]     }
[10:55:44.038]     ...future.frame <- base::sys.nframe()
[10:55:44.038]     ...future.conditions <- base::list()
[10:55:44.038]     ...future.rng <- base::globalenv()$.Random.seed
[10:55:44.038]     if (FALSE) {
[10:55:44.038]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:55:44.038]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:55:44.038]     }
[10:55:44.038]     ...future.result <- base::tryCatch({
[10:55:44.038]         base::withCallingHandlers({
[10:55:44.038]             ...future.value <- base::withVisible(base::local(NA))
[10:55:44.038]             future::FutureResult(value = ...future.value$value, 
[10:55:44.038]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:44.038]                   ...future.rng), globalenv = if (FALSE) 
[10:55:44.038]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:55:44.038]                     ...future.globalenv.names))
[10:55:44.038]                 else NULL, started = ...future.startTime, version = "1.8")
[10:55:44.038]         }, condition = base::local({
[10:55:44.038]             c <- base::c
[10:55:44.038]             inherits <- base::inherits
[10:55:44.038]             invokeRestart <- base::invokeRestart
[10:55:44.038]             length <- base::length
[10:55:44.038]             list <- base::list
[10:55:44.038]             seq.int <- base::seq.int
[10:55:44.038]             signalCondition <- base::signalCondition
[10:55:44.038]             sys.calls <- base::sys.calls
[10:55:44.038]             `[[` <- base::`[[`
[10:55:44.038]             `+` <- base::`+`
[10:55:44.038]             `<<-` <- base::`<<-`
[10:55:44.038]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:55:44.038]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:55:44.038]                   3L)]
[10:55:44.038]             }
[10:55:44.038]             function(cond) {
[10:55:44.038]                 is_error <- inherits(cond, "error")
[10:55:44.038]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:55:44.038]                   NULL)
[10:55:44.038]                 if (is_error) {
[10:55:44.038]                   sessionInformation <- function() {
[10:55:44.038]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:55:44.038]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:55:44.038]                       search = base::search(), system = base::Sys.info())
[10:55:44.038]                   }
[10:55:44.038]                   ...future.conditions[[length(...future.conditions) + 
[10:55:44.038]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:55:44.038]                     cond$call), session = sessionInformation(), 
[10:55:44.038]                     timestamp = base::Sys.time(), signaled = 0L)
[10:55:44.038]                   signalCondition(cond)
[10:55:44.038]                 }
[10:55:44.038]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:55:44.038]                   signal <- FALSE && inherits(cond, character(0))
[10:55:44.038]                   ...future.conditions[[length(...future.conditions) + 
[10:55:44.038]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:55:44.038]                   if (FALSE && !signal) {
[10:55:44.038]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:44.038]                     {
[10:55:44.038]                       inherits <- base::inherits
[10:55:44.038]                       invokeRestart <- base::invokeRestart
[10:55:44.038]                       is.null <- base::is.null
[10:55:44.038]                       muffled <- FALSE
[10:55:44.038]                       if (inherits(cond, "message")) {
[10:55:44.038]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:44.038]                         if (muffled) 
[10:55:44.038]                           invokeRestart("muffleMessage")
[10:55:44.038]                       }
[10:55:44.038]                       else if (inherits(cond, "warning")) {
[10:55:44.038]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:44.038]                         if (muffled) 
[10:55:44.038]                           invokeRestart("muffleWarning")
[10:55:44.038]                       }
[10:55:44.038]                       else if (inherits(cond, "condition")) {
[10:55:44.038]                         if (!is.null(pattern)) {
[10:55:44.038]                           computeRestarts <- base::computeRestarts
[10:55:44.038]                           grepl <- base::grepl
[10:55:44.038]                           restarts <- computeRestarts(cond)
[10:55:44.038]                           for (restart in restarts) {
[10:55:44.038]                             name <- restart$name
[10:55:44.038]                             if (is.null(name)) 
[10:55:44.038]                               next
[10:55:44.038]                             if (!grepl(pattern, name)) 
[10:55:44.038]                               next
[10:55:44.038]                             invokeRestart(restart)
[10:55:44.038]                             muffled <- TRUE
[10:55:44.038]                             break
[10:55:44.038]                           }
[10:55:44.038]                         }
[10:55:44.038]                       }
[10:55:44.038]                       invisible(muffled)
[10:55:44.038]                     }
[10:55:44.038]                     muffleCondition(cond, pattern = "^muffle")
[10:55:44.038]                   }
[10:55:44.038]                 }
[10:55:44.038]                 else {
[10:55:44.038]                   if (TRUE) {
[10:55:44.038]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:44.038]                     {
[10:55:44.038]                       inherits <- base::inherits
[10:55:44.038]                       invokeRestart <- base::invokeRestart
[10:55:44.038]                       is.null <- base::is.null
[10:55:44.038]                       muffled <- FALSE
[10:55:44.038]                       if (inherits(cond, "message")) {
[10:55:44.038]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:44.038]                         if (muffled) 
[10:55:44.038]                           invokeRestart("muffleMessage")
[10:55:44.038]                       }
[10:55:44.038]                       else if (inherits(cond, "warning")) {
[10:55:44.038]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:44.038]                         if (muffled) 
[10:55:44.038]                           invokeRestart("muffleWarning")
[10:55:44.038]                       }
[10:55:44.038]                       else if (inherits(cond, "condition")) {
[10:55:44.038]                         if (!is.null(pattern)) {
[10:55:44.038]                           computeRestarts <- base::computeRestarts
[10:55:44.038]                           grepl <- base::grepl
[10:55:44.038]                           restarts <- computeRestarts(cond)
[10:55:44.038]                           for (restart in restarts) {
[10:55:44.038]                             name <- restart$name
[10:55:44.038]                             if (is.null(name)) 
[10:55:44.038]                               next
[10:55:44.038]                             if (!grepl(pattern, name)) 
[10:55:44.038]                               next
[10:55:44.038]                             invokeRestart(restart)
[10:55:44.038]                             muffled <- TRUE
[10:55:44.038]                             break
[10:55:44.038]                           }
[10:55:44.038]                         }
[10:55:44.038]                       }
[10:55:44.038]                       invisible(muffled)
[10:55:44.038]                     }
[10:55:44.038]                     muffleCondition(cond, pattern = "^muffle")
[10:55:44.038]                   }
[10:55:44.038]                 }
[10:55:44.038]             }
[10:55:44.038]         }))
[10:55:44.038]     }, error = function(ex) {
[10:55:44.038]         base::structure(base::list(value = NULL, visible = NULL, 
[10:55:44.038]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:44.038]                 ...future.rng), started = ...future.startTime, 
[10:55:44.038]             finished = Sys.time(), session_uuid = NA_character_, 
[10:55:44.038]             version = "1.8"), class = "FutureResult")
[10:55:44.038]     }, finally = {
[10:55:44.038]         if (!identical(...future.workdir, getwd())) 
[10:55:44.038]             setwd(...future.workdir)
[10:55:44.038]         {
[10:55:44.038]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:55:44.038]                 ...future.oldOptions$nwarnings <- NULL
[10:55:44.038]             }
[10:55:44.038]             base::options(...future.oldOptions)
[10:55:44.038]             if (.Platform$OS.type == "windows") {
[10:55:44.038]                 old_names <- names(...future.oldEnvVars)
[10:55:44.038]                 envs <- base::Sys.getenv()
[10:55:44.038]                 names <- names(envs)
[10:55:44.038]                 common <- intersect(names, old_names)
[10:55:44.038]                 added <- setdiff(names, old_names)
[10:55:44.038]                 removed <- setdiff(old_names, names)
[10:55:44.038]                 changed <- common[...future.oldEnvVars[common] != 
[10:55:44.038]                   envs[common]]
[10:55:44.038]                 NAMES <- toupper(changed)
[10:55:44.038]                 args <- list()
[10:55:44.038]                 for (kk in seq_along(NAMES)) {
[10:55:44.038]                   name <- changed[[kk]]
[10:55:44.038]                   NAME <- NAMES[[kk]]
[10:55:44.038]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.038]                     next
[10:55:44.038]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:44.038]                 }
[10:55:44.038]                 NAMES <- toupper(added)
[10:55:44.038]                 for (kk in seq_along(NAMES)) {
[10:55:44.038]                   name <- added[[kk]]
[10:55:44.038]                   NAME <- NAMES[[kk]]
[10:55:44.038]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.038]                     next
[10:55:44.038]                   args[[name]] <- ""
[10:55:44.038]                 }
[10:55:44.038]                 NAMES <- toupper(removed)
[10:55:44.038]                 for (kk in seq_along(NAMES)) {
[10:55:44.038]                   name <- removed[[kk]]
[10:55:44.038]                   NAME <- NAMES[[kk]]
[10:55:44.038]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.038]                     next
[10:55:44.038]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:44.038]                 }
[10:55:44.038]                 if (length(args) > 0) 
[10:55:44.038]                   base::do.call(base::Sys.setenv, args = args)
[10:55:44.038]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:55:44.038]             }
[10:55:44.038]             else {
[10:55:44.038]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:55:44.038]             }
[10:55:44.038]             {
[10:55:44.038]                 if (base::length(...future.futureOptionsAdded) > 
[10:55:44.038]                   0L) {
[10:55:44.038]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:55:44.038]                   base::names(opts) <- ...future.futureOptionsAdded
[10:55:44.038]                   base::options(opts)
[10:55:44.038]                 }
[10:55:44.038]                 {
[10:55:44.038]                   NULL
[10:55:44.038]                   options(future.plan = NULL)
[10:55:44.038]                   if (is.na(NA_character_)) 
[10:55:44.038]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:55:44.038]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:55:44.038]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:55:44.038]                     .init = FALSE)
[10:55:44.038]                 }
[10:55:44.038]             }
[10:55:44.038]         }
[10:55:44.038]     })
[10:55:44.038]     if (TRUE) {
[10:55:44.038]         base::sink(type = "output", split = FALSE)
[10:55:44.038]         if (TRUE) {
[10:55:44.038]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:55:44.038]         }
[10:55:44.038]         else {
[10:55:44.038]             ...future.result["stdout"] <- base::list(NULL)
[10:55:44.038]         }
[10:55:44.038]         base::close(...future.stdout)
[10:55:44.038]         ...future.stdout <- NULL
[10:55:44.038]     }
[10:55:44.038]     ...future.result$conditions <- ...future.conditions
[10:55:44.038]     ...future.result$finished <- base::Sys.time()
[10:55:44.038]     ...future.result
[10:55:44.038] }
[10:55:44.046] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ... DONE
[10:55:44.046] plan(): nbrOfWorkers() = 2
[10:55:44.046] getGlobalsAndPackages() ...
[10:55:44.046] Searching for globals...
[10:55:44.047] - globals found: [2] '*', 'a'
[10:55:44.047] Searching for globals ... DONE
[10:55:44.047] Resolving globals: FALSE
[10:55:44.048] The total size of the 1 globals is 56 bytes (56 bytes)
[10:55:44.048] The total size of the 1 globals exported for future expression ('2 * a') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[10:55:44.048] - globals: [1] 'a'
[10:55:44.049] 
[10:55:44.049] getGlobalsAndPackages() ... DONE
[10:55:44.049] run() for 'Future' ...
[10:55:44.049] - state: 'created'
[10:55:44.049] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[10:55:44.052] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[10:55:44.052] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[10:55:44.052]   - Field: 'label'
[10:55:44.052]   - Field: 'local'
[10:55:44.053]   - Field: 'owner'
[10:55:44.053]   - Field: 'envir'
[10:55:44.053]   - Field: 'packages'
[10:55:44.053]   - Field: 'gc'
[10:55:44.053]   - Field: 'conditions'
[10:55:44.053]   - Field: 'expr'
[10:55:44.054]   - Field: 'uuid'
[10:55:44.054]   - Field: 'seed'
[10:55:44.054]   - Field: 'version'
[10:55:44.054]   - Field: 'result'
[10:55:44.054]   - Field: 'asynchronous'
[10:55:44.054]   - Field: 'calls'
[10:55:44.055]   - Field: 'globals'
[10:55:44.055]   - Field: 'stdout'
[10:55:44.055]   - Field: 'earlySignal'
[10:55:44.055]   - Field: 'lazy'
[10:55:44.055]   - Field: 'state'
[10:55:44.055]   - Field: '.cluster'
[10:55:44.056] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[10:55:44.056] - Launch lazy future ...
[10:55:44.056] Packages needed by the future expression (n = 0): <none>
[10:55:44.056] Packages needed by future strategies (n = 0): <none>
[10:55:44.057] {
[10:55:44.057]     {
[10:55:44.057]         {
[10:55:44.057]             ...future.startTime <- base::Sys.time()
[10:55:44.057]             {
[10:55:44.057]                 {
[10:55:44.057]                   {
[10:55:44.057]                     base::local({
[10:55:44.057]                       has_future <- base::requireNamespace("future", 
[10:55:44.057]                         quietly = TRUE)
[10:55:44.057]                       if (has_future) {
[10:55:44.057]                         ns <- base::getNamespace("future")
[10:55:44.057]                         version <- ns[[".package"]][["version"]]
[10:55:44.057]                         if (is.null(version)) 
[10:55:44.057]                           version <- utils::packageVersion("future")
[10:55:44.057]                       }
[10:55:44.057]                       else {
[10:55:44.057]                         version <- NULL
[10:55:44.057]                       }
[10:55:44.057]                       if (!has_future || version < "1.8.0") {
[10:55:44.057]                         info <- base::c(r_version = base::gsub("R version ", 
[10:55:44.057]                           "", base::R.version$version.string), 
[10:55:44.057]                           platform = base::sprintf("%s (%s-bit)", 
[10:55:44.057]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:55:44.057]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:55:44.057]                             "release", "version")], collapse = " "), 
[10:55:44.057]                           hostname = base::Sys.info()[["nodename"]])
[10:55:44.057]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:55:44.057]                           info)
[10:55:44.057]                         info <- base::paste(info, collapse = "; ")
[10:55:44.057]                         if (!has_future) {
[10:55:44.057]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:55:44.057]                             info)
[10:55:44.057]                         }
[10:55:44.057]                         else {
[10:55:44.057]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:55:44.057]                             info, version)
[10:55:44.057]                         }
[10:55:44.057]                         base::stop(msg)
[10:55:44.057]                       }
[10:55:44.057]                     })
[10:55:44.057]                   }
[10:55:44.057]                   ...future.strategy.old <- future::plan("list")
[10:55:44.057]                   options(future.plan = NULL)
[10:55:44.057]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:55:44.057]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:55:44.057]                 }
[10:55:44.057]                 ...future.workdir <- getwd()
[10:55:44.057]             }
[10:55:44.057]             ...future.oldOptions <- base::as.list(base::.Options)
[10:55:44.057]             ...future.oldEnvVars <- base::Sys.getenv()
[10:55:44.057]         }
[10:55:44.057]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[10:55:44.057]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:55:44.057]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[10:55:44.057]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[10:55:44.057]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:55:44.057]             future.stdout.windows.reencode = NULL, width = 80L)
[10:55:44.057]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:55:44.057]             base::names(...future.oldOptions))
[10:55:44.057]     }
[10:55:44.057]     if (FALSE) {
[10:55:44.057]     }
[10:55:44.057]     else {
[10:55:44.057]         if (TRUE) {
[10:55:44.057]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:55:44.057]                 open = "w")
[10:55:44.057]         }
[10:55:44.057]         else {
[10:55:44.057]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:55:44.057]                 windows = "NUL", "/dev/null"), open = "w")
[10:55:44.057]         }
[10:55:44.057]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:55:44.057]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:55:44.057]             base::sink(type = "output", split = FALSE)
[10:55:44.057]             base::close(...future.stdout)
[10:55:44.057]         }, add = TRUE)
[10:55:44.057]     }
[10:55:44.057]     ...future.frame <- base::sys.nframe()
[10:55:44.057]     ...future.conditions <- base::list()
[10:55:44.057]     ...future.rng <- base::globalenv()$.Random.seed
[10:55:44.057]     if (FALSE) {
[10:55:44.057]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:55:44.057]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:55:44.057]     }
[10:55:44.057]     ...future.result <- base::tryCatch({
[10:55:44.057]         base::withCallingHandlers({
[10:55:44.057]             ...future.value <- base::withVisible(base::local(2 * 
[10:55:44.057]                 a))
[10:55:44.057]             future::FutureResult(value = ...future.value$value, 
[10:55:44.057]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:44.057]                   ...future.rng), globalenv = if (FALSE) 
[10:55:44.057]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:55:44.057]                     ...future.globalenv.names))
[10:55:44.057]                 else NULL, started = ...future.startTime, version = "1.8")
[10:55:44.057]         }, condition = base::local({
[10:55:44.057]             c <- base::c
[10:55:44.057]             inherits <- base::inherits
[10:55:44.057]             invokeRestart <- base::invokeRestart
[10:55:44.057]             length <- base::length
[10:55:44.057]             list <- base::list
[10:55:44.057]             seq.int <- base::seq.int
[10:55:44.057]             signalCondition <- base::signalCondition
[10:55:44.057]             sys.calls <- base::sys.calls
[10:55:44.057]             `[[` <- base::`[[`
[10:55:44.057]             `+` <- base::`+`
[10:55:44.057]             `<<-` <- base::`<<-`
[10:55:44.057]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:55:44.057]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:55:44.057]                   3L)]
[10:55:44.057]             }
[10:55:44.057]             function(cond) {
[10:55:44.057]                 is_error <- inherits(cond, "error")
[10:55:44.057]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:55:44.057]                   NULL)
[10:55:44.057]                 if (is_error) {
[10:55:44.057]                   sessionInformation <- function() {
[10:55:44.057]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:55:44.057]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:55:44.057]                       search = base::search(), system = base::Sys.info())
[10:55:44.057]                   }
[10:55:44.057]                   ...future.conditions[[length(...future.conditions) + 
[10:55:44.057]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:55:44.057]                     cond$call), session = sessionInformation(), 
[10:55:44.057]                     timestamp = base::Sys.time(), signaled = 0L)
[10:55:44.057]                   signalCondition(cond)
[10:55:44.057]                 }
[10:55:44.057]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:55:44.057]                   signal <- FALSE && inherits(cond, character(0))
[10:55:44.057]                   ...future.conditions[[length(...future.conditions) + 
[10:55:44.057]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:55:44.057]                   if (FALSE && !signal) {
[10:55:44.057]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:44.057]                     {
[10:55:44.057]                       inherits <- base::inherits
[10:55:44.057]                       invokeRestart <- base::invokeRestart
[10:55:44.057]                       is.null <- base::is.null
[10:55:44.057]                       muffled <- FALSE
[10:55:44.057]                       if (inherits(cond, "message")) {
[10:55:44.057]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:44.057]                         if (muffled) 
[10:55:44.057]                           invokeRestart("muffleMessage")
[10:55:44.057]                       }
[10:55:44.057]                       else if (inherits(cond, "warning")) {
[10:55:44.057]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:44.057]                         if (muffled) 
[10:55:44.057]                           invokeRestart("muffleWarning")
[10:55:44.057]                       }
[10:55:44.057]                       else if (inherits(cond, "condition")) {
[10:55:44.057]                         if (!is.null(pattern)) {
[10:55:44.057]                           computeRestarts <- base::computeRestarts
[10:55:44.057]                           grepl <- base::grepl
[10:55:44.057]                           restarts <- computeRestarts(cond)
[10:55:44.057]                           for (restart in restarts) {
[10:55:44.057]                             name <- restart$name
[10:55:44.057]                             if (is.null(name)) 
[10:55:44.057]                               next
[10:55:44.057]                             if (!grepl(pattern, name)) 
[10:55:44.057]                               next
[10:55:44.057]                             invokeRestart(restart)
[10:55:44.057]                             muffled <- TRUE
[10:55:44.057]                             break
[10:55:44.057]                           }
[10:55:44.057]                         }
[10:55:44.057]                       }
[10:55:44.057]                       invisible(muffled)
[10:55:44.057]                     }
[10:55:44.057]                     muffleCondition(cond, pattern = "^muffle")
[10:55:44.057]                   }
[10:55:44.057]                 }
[10:55:44.057]                 else {
[10:55:44.057]                   if (TRUE) {
[10:55:44.057]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:44.057]                     {
[10:55:44.057]                       inherits <- base::inherits
[10:55:44.057]                       invokeRestart <- base::invokeRestart
[10:55:44.057]                       is.null <- base::is.null
[10:55:44.057]                       muffled <- FALSE
[10:55:44.057]                       if (inherits(cond, "message")) {
[10:55:44.057]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:44.057]                         if (muffled) 
[10:55:44.057]                           invokeRestart("muffleMessage")
[10:55:44.057]                       }
[10:55:44.057]                       else if (inherits(cond, "warning")) {
[10:55:44.057]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:44.057]                         if (muffled) 
[10:55:44.057]                           invokeRestart("muffleWarning")
[10:55:44.057]                       }
[10:55:44.057]                       else if (inherits(cond, "condition")) {
[10:55:44.057]                         if (!is.null(pattern)) {
[10:55:44.057]                           computeRestarts <- base::computeRestarts
[10:55:44.057]                           grepl <- base::grepl
[10:55:44.057]                           restarts <- computeRestarts(cond)
[10:55:44.057]                           for (restart in restarts) {
[10:55:44.057]                             name <- restart$name
[10:55:44.057]                             if (is.null(name)) 
[10:55:44.057]                               next
[10:55:44.057]                             if (!grepl(pattern, name)) 
[10:55:44.057]                               next
[10:55:44.057]                             invokeRestart(restart)
[10:55:44.057]                             muffled <- TRUE
[10:55:44.057]                             break
[10:55:44.057]                           }
[10:55:44.057]                         }
[10:55:44.057]                       }
[10:55:44.057]                       invisible(muffled)
[10:55:44.057]                     }
[10:55:44.057]                     muffleCondition(cond, pattern = "^muffle")
[10:55:44.057]                   }
[10:55:44.057]                 }
[10:55:44.057]             }
[10:55:44.057]         }))
[10:55:44.057]     }, error = function(ex) {
[10:55:44.057]         base::structure(base::list(value = NULL, visible = NULL, 
[10:55:44.057]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:44.057]                 ...future.rng), started = ...future.startTime, 
[10:55:44.057]             finished = Sys.time(), session_uuid = NA_character_, 
[10:55:44.057]             version = "1.8"), class = "FutureResult")
[10:55:44.057]     }, finally = {
[10:55:44.057]         if (!identical(...future.workdir, getwd())) 
[10:55:44.057]             setwd(...future.workdir)
[10:55:44.057]         {
[10:55:44.057]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:55:44.057]                 ...future.oldOptions$nwarnings <- NULL
[10:55:44.057]             }
[10:55:44.057]             base::options(...future.oldOptions)
[10:55:44.057]             if (.Platform$OS.type == "windows") {
[10:55:44.057]                 old_names <- names(...future.oldEnvVars)
[10:55:44.057]                 envs <- base::Sys.getenv()
[10:55:44.057]                 names <- names(envs)
[10:55:44.057]                 common <- intersect(names, old_names)
[10:55:44.057]                 added <- setdiff(names, old_names)
[10:55:44.057]                 removed <- setdiff(old_names, names)
[10:55:44.057]                 changed <- common[...future.oldEnvVars[common] != 
[10:55:44.057]                   envs[common]]
[10:55:44.057]                 NAMES <- toupper(changed)
[10:55:44.057]                 args <- list()
[10:55:44.057]                 for (kk in seq_along(NAMES)) {
[10:55:44.057]                   name <- changed[[kk]]
[10:55:44.057]                   NAME <- NAMES[[kk]]
[10:55:44.057]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.057]                     next
[10:55:44.057]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:44.057]                 }
[10:55:44.057]                 NAMES <- toupper(added)
[10:55:44.057]                 for (kk in seq_along(NAMES)) {
[10:55:44.057]                   name <- added[[kk]]
[10:55:44.057]                   NAME <- NAMES[[kk]]
[10:55:44.057]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.057]                     next
[10:55:44.057]                   args[[name]] <- ""
[10:55:44.057]                 }
[10:55:44.057]                 NAMES <- toupper(removed)
[10:55:44.057]                 for (kk in seq_along(NAMES)) {
[10:55:44.057]                   name <- removed[[kk]]
[10:55:44.057]                   NAME <- NAMES[[kk]]
[10:55:44.057]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.057]                     next
[10:55:44.057]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:44.057]                 }
[10:55:44.057]                 if (length(args) > 0) 
[10:55:44.057]                   base::do.call(base::Sys.setenv, args = args)
[10:55:44.057]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:55:44.057]             }
[10:55:44.057]             else {
[10:55:44.057]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:55:44.057]             }
[10:55:44.057]             {
[10:55:44.057]                 if (base::length(...future.futureOptionsAdded) > 
[10:55:44.057]                   0L) {
[10:55:44.057]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:55:44.057]                   base::names(opts) <- ...future.futureOptionsAdded
[10:55:44.057]                   base::options(opts)
[10:55:44.057]                 }
[10:55:44.057]                 {
[10:55:44.057]                   NULL
[10:55:44.057]                   options(future.plan = NULL)
[10:55:44.057]                   if (is.na(NA_character_)) 
[10:55:44.057]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:55:44.057]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:55:44.057]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:55:44.057]                     .init = FALSE)
[10:55:44.057]                 }
[10:55:44.057]             }
[10:55:44.057]         }
[10:55:44.057]     })
[10:55:44.057]     if (TRUE) {
[10:55:44.057]         base::sink(type = "output", split = FALSE)
[10:55:44.057]         if (TRUE) {
[10:55:44.057]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:55:44.057]         }
[10:55:44.057]         else {
[10:55:44.057]             ...future.result["stdout"] <- base::list(NULL)
[10:55:44.057]         }
[10:55:44.057]         base::close(...future.stdout)
[10:55:44.057]         ...future.stdout <- NULL
[10:55:44.057]     }
[10:55:44.057]     ...future.result$conditions <- ...future.conditions
[10:55:44.057]     ...future.result$finished <- base::Sys.time()
[10:55:44.057]     ...future.result
[10:55:44.057] }
[10:55:44.061] - Launch lazy future ... done
[10:55:44.061] run() for 'MiraiFuture' ... done
[10:55:44.064] getGlobalsAndPackages() ...
[10:55:44.064] Searching for globals...
[10:55:44.065] - globals found: [3] '{', '*', 'a'
[10:55:44.065] Searching for globals ... DONE
[10:55:44.065] Resolving globals: FALSE
[10:55:44.066] The total size of the 1 globals is 56 bytes (56 bytes)
[10:55:44.066] The total size of the 1 globals exported for future expression ('{; 2 * a; }') is 56 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'a' (56 bytes of class 'numeric')
[10:55:44.067] - globals: [1] 'a'
[10:55:44.067] 
[10:55:44.067] getGlobalsAndPackages() ... DONE
[10:55:44.067] run() for 'Future' ...
[10:55:44.067] - state: 'created'
[10:55:44.068] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[10:55:44.070] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[10:55:44.070] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[10:55:44.070]   - Field: 'label'
[10:55:44.071]   - Field: 'local'
[10:55:44.071]   - Field: 'owner'
[10:55:44.071]   - Field: 'envir'
[10:55:44.071]   - Field: 'packages'
[10:55:44.071]   - Field: 'gc'
[10:55:44.071]   - Field: 'conditions'
[10:55:44.072]   - Field: 'expr'
[10:55:44.072]   - Field: 'uuid'
[10:55:44.072]   - Field: 'seed'
[10:55:44.072]   - Field: 'version'
[10:55:44.072]   - Field: 'result'
[10:55:44.072]   - Field: 'asynchronous'
[10:55:44.073]   - Field: 'calls'
[10:55:44.073]   - Field: 'globals'
[10:55:44.073]   - Field: 'stdout'
[10:55:44.073]   - Field: 'earlySignal'
[10:55:44.073]   - Field: 'lazy'
[10:55:44.073]   - Field: 'state'
[10:55:44.074]   - Field: '.cluster'
[10:55:44.074] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[10:55:44.074] - Launch lazy future ...
[10:55:44.074] Packages needed by the future expression (n = 0): <none>
[10:55:44.074] Packages needed by future strategies (n = 0): <none>
[10:55:44.075] {
[10:55:44.075]     {
[10:55:44.075]         {
[10:55:44.075]             ...future.startTime <- base::Sys.time()
[10:55:44.075]             {
[10:55:44.075]                 {
[10:55:44.075]                   {
[10:55:44.075]                     base::local({
[10:55:44.075]                       has_future <- base::requireNamespace("future", 
[10:55:44.075]                         quietly = TRUE)
[10:55:44.075]                       if (has_future) {
[10:55:44.075]                         ns <- base::getNamespace("future")
[10:55:44.075]                         version <- ns[[".package"]][["version"]]
[10:55:44.075]                         if (is.null(version)) 
[10:55:44.075]                           version <- utils::packageVersion("future")
[10:55:44.075]                       }
[10:55:44.075]                       else {
[10:55:44.075]                         version <- NULL
[10:55:44.075]                       }
[10:55:44.075]                       if (!has_future || version < "1.8.0") {
[10:55:44.075]                         info <- base::c(r_version = base::gsub("R version ", 
[10:55:44.075]                           "", base::R.version$version.string), 
[10:55:44.075]                           platform = base::sprintf("%s (%s-bit)", 
[10:55:44.075]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:55:44.075]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:55:44.075]                             "release", "version")], collapse = " "), 
[10:55:44.075]                           hostname = base::Sys.info()[["nodename"]])
[10:55:44.075]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:55:44.075]                           info)
[10:55:44.075]                         info <- base::paste(info, collapse = "; ")
[10:55:44.075]                         if (!has_future) {
[10:55:44.075]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:55:44.075]                             info)
[10:55:44.075]                         }
[10:55:44.075]                         else {
[10:55:44.075]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:55:44.075]                             info, version)
[10:55:44.075]                         }
[10:55:44.075]                         base::stop(msg)
[10:55:44.075]                       }
[10:55:44.075]                     })
[10:55:44.075]                   }
[10:55:44.075]                   ...future.strategy.old <- future::plan("list")
[10:55:44.075]                   options(future.plan = NULL)
[10:55:44.075]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:55:44.075]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:55:44.075]                 }
[10:55:44.075]                 ...future.workdir <- getwd()
[10:55:44.075]             }
[10:55:44.075]             ...future.oldOptions <- base::as.list(base::.Options)
[10:55:44.075]             ...future.oldEnvVars <- base::Sys.getenv()
[10:55:44.075]         }
[10:55:44.075]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[10:55:44.075]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:55:44.075]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[10:55:44.075]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[10:55:44.075]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:55:44.075]             future.stdout.windows.reencode = NULL, width = 80L)
[10:55:44.075]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:55:44.075]             base::names(...future.oldOptions))
[10:55:44.075]     }
[10:55:44.075]     if (FALSE) {
[10:55:44.075]     }
[10:55:44.075]     else {
[10:55:44.075]         if (TRUE) {
[10:55:44.075]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:55:44.075]                 open = "w")
[10:55:44.075]         }
[10:55:44.075]         else {
[10:55:44.075]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:55:44.075]                 windows = "NUL", "/dev/null"), open = "w")
[10:55:44.075]         }
[10:55:44.075]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:55:44.075]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:55:44.075]             base::sink(type = "output", split = FALSE)
[10:55:44.075]             base::close(...future.stdout)
[10:55:44.075]         }, add = TRUE)
[10:55:44.075]     }
[10:55:44.075]     ...future.frame <- base::sys.nframe()
[10:55:44.075]     ...future.conditions <- base::list()
[10:55:44.075]     ...future.rng <- base::globalenv()$.Random.seed
[10:55:44.075]     if (FALSE) {
[10:55:44.075]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:55:44.075]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:55:44.075]     }
[10:55:44.075]     ...future.result <- base::tryCatch({
[10:55:44.075]         base::withCallingHandlers({
[10:55:44.075]             ...future.value <- base::withVisible(base::local({
[10:55:44.075]                 2 * a
[10:55:44.075]             }))
[10:55:44.075]             future::FutureResult(value = ...future.value$value, 
[10:55:44.075]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:44.075]                   ...future.rng), globalenv = if (FALSE) 
[10:55:44.075]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:55:44.075]                     ...future.globalenv.names))
[10:55:44.075]                 else NULL, started = ...future.startTime, version = "1.8")
[10:55:44.075]         }, condition = base::local({
[10:55:44.075]             c <- base::c
[10:55:44.075]             inherits <- base::inherits
[10:55:44.075]             invokeRestart <- base::invokeRestart
[10:55:44.075]             length <- base::length
[10:55:44.075]             list <- base::list
[10:55:44.075]             seq.int <- base::seq.int
[10:55:44.075]             signalCondition <- base::signalCondition
[10:55:44.075]             sys.calls <- base::sys.calls
[10:55:44.075]             `[[` <- base::`[[`
[10:55:44.075]             `+` <- base::`+`
[10:55:44.075]             `<<-` <- base::`<<-`
[10:55:44.075]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:55:44.075]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:55:44.075]                   3L)]
[10:55:44.075]             }
[10:55:44.075]             function(cond) {
[10:55:44.075]                 is_error <- inherits(cond, "error")
[10:55:44.075]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:55:44.075]                   NULL)
[10:55:44.075]                 if (is_error) {
[10:55:44.075]                   sessionInformation <- function() {
[10:55:44.075]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:55:44.075]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:55:44.075]                       search = base::search(), system = base::Sys.info())
[10:55:44.075]                   }
[10:55:44.075]                   ...future.conditions[[length(...future.conditions) + 
[10:55:44.075]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:55:44.075]                     cond$call), session = sessionInformation(), 
[10:55:44.075]                     timestamp = base::Sys.time(), signaled = 0L)
[10:55:44.075]                   signalCondition(cond)
[10:55:44.075]                 }
[10:55:44.075]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:55:44.075]                   signal <- FALSE && inherits(cond, character(0))
[10:55:44.075]                   ...future.conditions[[length(...future.conditions) + 
[10:55:44.075]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:55:44.075]                   if (FALSE && !signal) {
[10:55:44.075]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:44.075]                     {
[10:55:44.075]                       inherits <- base::inherits
[10:55:44.075]                       invokeRestart <- base::invokeRestart
[10:55:44.075]                       is.null <- base::is.null
[10:55:44.075]                       muffled <- FALSE
[10:55:44.075]                       if (inherits(cond, "message")) {
[10:55:44.075]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:44.075]                         if (muffled) 
[10:55:44.075]                           invokeRestart("muffleMessage")
[10:55:44.075]                       }
[10:55:44.075]                       else if (inherits(cond, "warning")) {
[10:55:44.075]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:44.075]                         if (muffled) 
[10:55:44.075]                           invokeRestart("muffleWarning")
[10:55:44.075]                       }
[10:55:44.075]                       else if (inherits(cond, "condition")) {
[10:55:44.075]                         if (!is.null(pattern)) {
[10:55:44.075]                           computeRestarts <- base::computeRestarts
[10:55:44.075]                           grepl <- base::grepl
[10:55:44.075]                           restarts <- computeRestarts(cond)
[10:55:44.075]                           for (restart in restarts) {
[10:55:44.075]                             name <- restart$name
[10:55:44.075]                             if (is.null(name)) 
[10:55:44.075]                               next
[10:55:44.075]                             if (!grepl(pattern, name)) 
[10:55:44.075]                               next
[10:55:44.075]                             invokeRestart(restart)
[10:55:44.075]                             muffled <- TRUE
[10:55:44.075]                             break
[10:55:44.075]                           }
[10:55:44.075]                         }
[10:55:44.075]                       }
[10:55:44.075]                       invisible(muffled)
[10:55:44.075]                     }
[10:55:44.075]                     muffleCondition(cond, pattern = "^muffle")
[10:55:44.075]                   }
[10:55:44.075]                 }
[10:55:44.075]                 else {
[10:55:44.075]                   if (TRUE) {
[10:55:44.075]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:55:44.075]                     {
[10:55:44.075]                       inherits <- base::inherits
[10:55:44.075]                       invokeRestart <- base::invokeRestart
[10:55:44.075]                       is.null <- base::is.null
[10:55:44.075]                       muffled <- FALSE
[10:55:44.075]                       if (inherits(cond, "message")) {
[10:55:44.075]                         muffled <- grepl(pattern, "muffleMessage")
[10:55:44.075]                         if (muffled) 
[10:55:44.075]                           invokeRestart("muffleMessage")
[10:55:44.075]                       }
[10:55:44.075]                       else if (inherits(cond, "warning")) {
[10:55:44.075]                         muffled <- grepl(pattern, "muffleWarning")
[10:55:44.075]                         if (muffled) 
[10:55:44.075]                           invokeRestart("muffleWarning")
[10:55:44.075]                       }
[10:55:44.075]                       else if (inherits(cond, "condition")) {
[10:55:44.075]                         if (!is.null(pattern)) {
[10:55:44.075]                           computeRestarts <- base::computeRestarts
[10:55:44.075]                           grepl <- base::grepl
[10:55:44.075]                           restarts <- computeRestarts(cond)
[10:55:44.075]                           for (restart in restarts) {
[10:55:44.075]                             name <- restart$name
[10:55:44.075]                             if (is.null(name)) 
[10:55:44.075]                               next
[10:55:44.075]                             if (!grepl(pattern, name)) 
[10:55:44.075]                               next
[10:55:44.075]                             invokeRestart(restart)
[10:55:44.075]                             muffled <- TRUE
[10:55:44.075]                             break
[10:55:44.075]                           }
[10:55:44.075]                         }
[10:55:44.075]                       }
[10:55:44.075]                       invisible(muffled)
[10:55:44.075]                     }
[10:55:44.075]                     muffleCondition(cond, pattern = "^muffle")
[10:55:44.075]                   }
[10:55:44.075]                 }
[10:55:44.075]             }
[10:55:44.075]         }))
[10:55:44.075]     }, error = function(ex) {
[10:55:44.075]         base::structure(base::list(value = NULL, visible = NULL, 
[10:55:44.075]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:55:44.075]                 ...future.rng), started = ...future.startTime, 
[10:55:44.075]             finished = Sys.time(), session_uuid = NA_character_, 
[10:55:44.075]             version = "1.8"), class = "FutureResult")
[10:55:44.075]     }, finally = {
[10:55:44.075]         if (!identical(...future.workdir, getwd())) 
[10:55:44.075]             setwd(...future.workdir)
[10:55:44.075]         {
[10:55:44.075]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:55:44.075]                 ...future.oldOptions$nwarnings <- NULL
[10:55:44.075]             }
[10:55:44.075]             base::options(...future.oldOptions)
[10:55:44.075]             if (.Platform$OS.type == "windows") {
[10:55:44.075]                 old_names <- names(...future.oldEnvVars)
[10:55:44.075]                 envs <- base::Sys.getenv()
[10:55:44.075]                 names <- names(envs)
[10:55:44.075]                 common <- intersect(names, old_names)
[10:55:44.075]                 added <- setdiff(names, old_names)
[10:55:44.075]                 removed <- setdiff(old_names, names)
[10:55:44.075]                 changed <- common[...future.oldEnvVars[common] != 
[10:55:44.075]                   envs[common]]
[10:55:44.075]                 NAMES <- toupper(changed)
[10:55:44.075]                 args <- list()
[10:55:44.075]                 for (kk in seq_along(NAMES)) {
[10:55:44.075]                   name <- changed[[kk]]
[10:55:44.075]                   NAME <- NAMES[[kk]]
[10:55:44.075]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.075]                     next
[10:55:44.075]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:44.075]                 }
[10:55:44.075]                 NAMES <- toupper(added)
[10:55:44.075]                 for (kk in seq_along(NAMES)) {
[10:55:44.075]                   name <- added[[kk]]
[10:55:44.075]                   NAME <- NAMES[[kk]]
[10:55:44.075]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.075]                     next
[10:55:44.075]                   args[[name]] <- ""
[10:55:44.075]                 }
[10:55:44.075]                 NAMES <- toupper(removed)
[10:55:44.075]                 for (kk in seq_along(NAMES)) {
[10:55:44.075]                   name <- removed[[kk]]
[10:55:44.075]                   NAME <- NAMES[[kk]]
[10:55:44.075]                   if (name != NAME && is.element(NAME, old_names)) 
[10:55:44.075]                     next
[10:55:44.075]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:55:44.075]                 }
[10:55:44.075]                 if (length(args) > 0) 
[10:55:44.075]                   base::do.call(base::Sys.setenv, args = args)
[10:55:44.075]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:55:44.075]             }
[10:55:44.075]             else {
[10:55:44.075]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:55:44.075]             }
[10:55:44.075]             {
[10:55:44.075]                 if (base::length(...future.futureOptionsAdded) > 
[10:55:44.075]                   0L) {
[10:55:44.075]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:55:44.075]                   base::names(opts) <- ...future.futureOptionsAdded
[10:55:44.075]                   base::options(opts)
[10:55:44.075]                 }
[10:55:44.075]                 {
[10:55:44.075]                   NULL
[10:55:44.075]                   options(future.plan = NULL)
[10:55:44.075]                   if (is.na(NA_character_)) 
[10:55:44.075]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:55:44.075]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:55:44.075]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:55:44.075]                     .init = FALSE)
[10:55:44.075]                 }
[10:55:44.075]             }
[10:55:44.075]         }
[10:55:44.075]     })
[10:55:44.075]     if (TRUE) {
[10:55:44.075]         base::sink(type = "output", split = FALSE)
[10:55:44.075]         if (TRUE) {
[10:55:44.075]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:55:44.075]         }
[10:55:44.075]         else {
[10:55:44.075]             ...future.result["stdout"] <- base::list(NULL)
[10:55:44.075]         }
[10:55:44.075]         base::close(...future.stdout)
[10:55:44.075]         ...future.stdout <- NULL
[10:55:44.075]     }
[10:55:44.075]     ...future.result$conditions <- ...future.conditions
[10:55:44.075]     ...future.result$finished <- base::Sys.time()
[10:55:44.075]     ...future.result
[10:55:44.075] }
[10:55:44.079] - Launch lazy future ... done
[10:55:44.079] run() for 'MiraiFuture' ... done
[10:55:44.082] - plan('mirai_multisession') ... DONE> 
> message("*** Futures - lazy ... DONE")
*** Futures - lazy ... DONE
> 
> source("incl/end.R")
> 
> proc.time()
   user  system elapsed 
   0.40    0.12    1.06