R version 4.4.0 beta (2024-04-15 r86425 ucrt) -- "Puppy Cup"
Copyright (C) 2024 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

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> source("incl/start.R")
Loading required package: future
[13:10:31.654] plan(): Setting new future strategy stack:
[13:10:31.656] List of future strategies:
[13:10:31.656] 1. mirai_multisession:
[13:10:31.656]    - args: function (expr, substitute = TRUE, envir = parent.frame(), ..., workers = availableCores())
[13:10:31.656]    - tweaked: FALSE
[13:10:31.656]    - call: future::plan(future.mirai::mirai_multisession)
[13:10:31.668] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ...
[13:10:31.668] < mirai | $data >
[13:10:31.673] getGlobalsAndPackages() ...
[13:10:31.673] Not searching for globals
[13:10:31.674] - globals: [0] <none>
[13:10:31.674] getGlobalsAndPackages() ... DONE
[13:10:31.674] getGlobalsAndPackages() ...
[13:10:31.675] 
[13:10:31.675] - globals: [0] <none>
[13:10:31.675] getGlobalsAndPackages() ... DONE
[13:10:31.958] Packages needed by the future expression (n = 0): <none>
[13:10:31.959] Packages needed by future strategies (n = 0): <none>
[13:10:31.960] {
[13:10:31.960]     {
[13:10:31.960]         {
[13:10:31.960]             ...future.startTime <- base::Sys.time()
[13:10:31.960]             {
[13:10:31.960]                 {
[13:10:31.960]                   {
[13:10:31.960]                     base::local({
[13:10:31.960]                       has_future <- base::requireNamespace("future", 
[13:10:31.960]                         quietly = TRUE)
[13:10:31.960]                       if (has_future) {
[13:10:31.960]                         ns <- base::getNamespace("future")
[13:10:31.960]                         version <- ns[[".package"]][["version"]]
[13:10:31.960]                         if (is.null(version)) 
[13:10:31.960]                           version <- utils::packageVersion("future")
[13:10:31.960]                       }
[13:10:31.960]                       else {
[13:10:31.960]                         version <- NULL
[13:10:31.960]                       }
[13:10:31.960]                       if (!has_future || version < "1.8.0") {
[13:10:31.960]                         info <- base::c(r_version = base::gsub("R version ", 
[13:10:31.960]                           "", base::R.version$version.string), 
[13:10:31.960]                           platform = base::sprintf("%s (%s-bit)", 
[13:10:31.960]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:10:31.960]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:10:31.960]                             "release", "version")], collapse = " "), 
[13:10:31.960]                           hostname = base::Sys.info()[["nodename"]])
[13:10:31.960]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:10:31.960]                           info)
[13:10:31.960]                         info <- base::paste(info, collapse = "; ")
[13:10:31.960]                         if (!has_future) {
[13:10:31.960]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:10:31.960]                             info)
[13:10:31.960]                         }
[13:10:31.960]                         else {
[13:10:31.960]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:10:31.960]                             info, version)
[13:10:31.960]                         }
[13:10:31.960]                         base::stop(msg)
[13:10:31.960]                       }
[13:10:31.960]                     })
[13:10:31.960]                   }
[13:10:31.960]                   ...future.strategy.old <- future::plan("list")
[13:10:31.960]                   options(future.plan = NULL)
[13:10:31.960]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:10:31.960]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:10:31.960]                 }
[13:10:31.960]                 ...future.workdir <- getwd()
[13:10:31.960]             }
[13:10:31.960]             ...future.oldOptions <- base::as.list(base::.Options)
[13:10:31.960]             ...future.oldEnvVars <- base::Sys.getenv()
[13:10:31.960]         }
[13:10:31.960]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:10:31.960]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:10:31.960]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:10:31.960]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:10:31.960]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:10:31.960]             future.stdout.windows.reencode = NULL, width = 80L)
[13:10:31.960]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:10:31.960]             base::names(...future.oldOptions))
[13:10:31.960]     }
[13:10:31.960]     if (FALSE) {
[13:10:31.960]     }
[13:10:31.960]     else {
[13:10:31.960]         if (TRUE) {
[13:10:31.960]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:10:31.960]                 open = "w")
[13:10:31.960]         }
[13:10:31.960]         else {
[13:10:31.960]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:10:31.960]                 windows = "NUL", "/dev/null"), open = "w")
[13:10:31.960]         }
[13:10:31.960]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:10:31.960]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:10:31.960]             base::sink(type = "output", split = FALSE)
[13:10:31.960]             base::close(...future.stdout)
[13:10:31.960]         }, add = TRUE)
[13:10:31.960]     }
[13:10:31.960]     ...future.frame <- base::sys.nframe()
[13:10:31.960]     ...future.conditions <- base::list()
[13:10:31.960]     ...future.rng <- base::globalenv()$.Random.seed
[13:10:31.960]     if (FALSE) {
[13:10:31.960]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:10:31.960]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:10:31.960]     }
[13:10:31.960]     ...future.result <- base::tryCatch({
[13:10:31.960]         base::withCallingHandlers({
[13:10:31.960]             ...future.value <- base::withVisible(base::local(NA))
[13:10:31.960]             future::FutureResult(value = ...future.value$value, 
[13:10:31.960]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:10:31.960]                   ...future.rng), globalenv = if (FALSE) 
[13:10:31.960]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:10:31.960]                     ...future.globalenv.names))
[13:10:31.960]                 else NULL, started = ...future.startTime, version = "1.8")
[13:10:31.960]         }, condition = base::local({
[13:10:31.960]             c <- base::c
[13:10:31.960]             inherits <- base::inherits
[13:10:31.960]             invokeRestart <- base::invokeRestart
[13:10:31.960]             length <- base::length
[13:10:31.960]             list <- base::list
[13:10:31.960]             seq.int <- base::seq.int
[13:10:31.960]             signalCondition <- base::signalCondition
[13:10:31.960]             sys.calls <- base::sys.calls
[13:10:31.960]             `[[` <- base::`[[`
[13:10:31.960]             `+` <- base::`+`
[13:10:31.960]             `<<-` <- base::`<<-`
[13:10:31.960]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:10:31.960]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:10:31.960]                   3L)]
[13:10:31.960]             }
[13:10:31.960]             function(cond) {
[13:10:31.960]                 is_error <- inherits(cond, "error")
[13:10:31.960]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:10:31.960]                   NULL)
[13:10:31.960]                 if (is_error) {
[13:10:31.960]                   sessionInformation <- function() {
[13:10:31.960]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:10:31.960]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:10:31.960]                       search = base::search(), system = base::Sys.info())
[13:10:31.960]                   }
[13:10:31.960]                   ...future.conditions[[length(...future.conditions) + 
[13:10:31.960]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:10:31.960]                     cond$call), session = sessionInformation(), 
[13:10:31.960]                     timestamp = base::Sys.time(), signaled = 0L)
[13:10:31.960]                   signalCondition(cond)
[13:10:31.960]                 }
[13:10:31.960]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:10:31.960]                   signal <- FALSE && inherits(cond, character(0))
[13:10:31.960]                   ...future.conditions[[length(...future.conditions) + 
[13:10:31.960]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:10:31.960]                   if (FALSE && !signal) {
[13:10:31.960]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:10:31.960]                     {
[13:10:31.960]                       inherits <- base::inherits
[13:10:31.960]                       invokeRestart <- base::invokeRestart
[13:10:31.960]                       is.null <- base::is.null
[13:10:31.960]                       muffled <- FALSE
[13:10:31.960]                       if (inherits(cond, "message")) {
[13:10:31.960]                         muffled <- grepl(pattern, "muffleMessage")
[13:10:31.960]                         if (muffled) 
[13:10:31.960]                           invokeRestart("muffleMessage")
[13:10:31.960]                       }
[13:10:31.960]                       else if (inherits(cond, "warning")) {
[13:10:31.960]                         muffled <- grepl(pattern, "muffleWarning")
[13:10:31.960]                         if (muffled) 
[13:10:31.960]                           invokeRestart("muffleWarning")
[13:10:31.960]                       }
[13:10:31.960]                       else if (inherits(cond, "condition")) {
[13:10:31.960]                         if (!is.null(pattern)) {
[13:10:31.960]                           computeRestarts <- base::computeRestarts
[13:10:31.960]                           grepl <- base::grepl
[13:10:31.960]                           restarts <- computeRestarts(cond)
[13:10:31.960]                           for (restart in restarts) {
[13:10:31.960]                             name <- restart$name
[13:10:31.960]                             if (is.null(name)) 
[13:10:31.960]                               next
[13:10:31.960]                             if (!grepl(pattern, name)) 
[13:10:31.960]                               next
[13:10:31.960]                             invokeRestart(restart)
[13:10:31.960]                             muffled <- TRUE
[13:10:31.960]                             break
[13:10:31.960]                           }
[13:10:31.960]                         }
[13:10:31.960]                       }
[13:10:31.960]                       invisible(muffled)
[13:10:31.960]                     }
[13:10:31.960]                     muffleCondition(cond, pattern = "^muffle")
[13:10:31.960]                   }
[13:10:31.960]                 }
[13:10:31.960]                 else {
[13:10:31.960]                   if (TRUE) {
[13:10:31.960]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:10:31.960]                     {
[13:10:31.960]                       inherits <- base::inherits
[13:10:31.960]                       invokeRestart <- base::invokeRestart
[13:10:31.960]                       is.null <- base::is.null
[13:10:31.960]                       muffled <- FALSE
[13:10:31.960]                       if (inherits(cond, "message")) {
[13:10:31.960]                         muffled <- grepl(pattern, "muffleMessage")
[13:10:31.960]                         if (muffled) 
[13:10:31.960]                           invokeRestart("muffleMessage")
[13:10:31.960]                       }
[13:10:31.960]                       else if (inherits(cond, "warning")) {
[13:10:31.960]                         muffled <- grepl(pattern, "muffleWarning")
[13:10:31.960]                         if (muffled) 
[13:10:31.960]                           invokeRestart("muffleWarning")
[13:10:31.960]                       }
[13:10:31.960]                       else if (inherits(cond, "condition")) {
[13:10:31.960]                         if (!is.null(pattern)) {
[13:10:31.960]                           computeRestarts <- base::computeRestarts
[13:10:31.960]                           grepl <- base::grepl
[13:10:31.960]                           restarts <- computeRestarts(cond)
[13:10:31.960]                           for (restart in restarts) {
[13:10:31.960]                             name <- restart$name
[13:10:31.960]                             if (is.null(name)) 
[13:10:31.960]                               next
[13:10:31.960]                             if (!grepl(pattern, name)) 
[13:10:31.960]                               next
[13:10:31.960]                             invokeRestart(restart)
[13:10:31.960]                             muffled <- TRUE
[13:10:31.960]                             break
[13:10:31.960]                           }
[13:10:31.960]                         }
[13:10:31.960]                       }
[13:10:31.960]                       invisible(muffled)
[13:10:31.960]                     }
[13:10:31.960]                     muffleCondition(cond, pattern = "^muffle")
[13:10:31.960]                   }
[13:10:31.960]                 }
[13:10:31.960]             }
[13:10:31.960]         }))
[13:10:31.960]     }, error = function(ex) {
[13:10:31.960]         base::structure(base::list(value = NULL, visible = NULL, 
[13:10:31.960]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:10:31.960]                 ...future.rng), started = ...future.startTime, 
[13:10:31.960]             finished = Sys.time(), session_uuid = NA_character_, 
[13:10:31.960]             version = "1.8"), class = "FutureResult")
[13:10:31.960]     }, finally = {
[13:10:31.960]         if (!identical(...future.workdir, getwd())) 
[13:10:31.960]             setwd(...future.workdir)
[13:10:31.960]         {
[13:10:31.960]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:10:31.960]                 ...future.oldOptions$nwarnings <- NULL
[13:10:31.960]             }
[13:10:31.960]             base::options(...future.oldOptions)
[13:10:31.960]             if (.Platform$OS.type == "windows") {
[13:10:31.960]                 old_names <- names(...future.oldEnvVars)
[13:10:31.960]                 envs <- base::Sys.getenv()
[13:10:31.960]                 names <- names(envs)
[13:10:31.960]                 common <- intersect(names, old_names)
[13:10:31.960]                 added <- setdiff(names, old_names)
[13:10:31.960]                 removed <- setdiff(old_names, names)
[13:10:31.960]                 changed <- common[...future.oldEnvVars[common] != 
[13:10:31.960]                   envs[common]]
[13:10:31.960]                 NAMES <- toupper(changed)
[13:10:31.960]                 args <- list()
[13:10:31.960]                 for (kk in seq_along(NAMES)) {
[13:10:31.960]                   name <- changed[[kk]]
[13:10:31.960]                   NAME <- NAMES[[kk]]
[13:10:31.960]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:31.960]                     next
[13:10:31.960]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:10:31.960]                 }
[13:10:31.960]                 NAMES <- toupper(added)
[13:10:31.960]                 for (kk in seq_along(NAMES)) {
[13:10:31.960]                   name <- added[[kk]]
[13:10:31.960]                   NAME <- NAMES[[kk]]
[13:10:31.960]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:31.960]                     next
[13:10:31.960]                   args[[name]] <- ""
[13:10:31.960]                 }
[13:10:31.960]                 NAMES <- toupper(removed)
[13:10:31.960]                 for (kk in seq_along(NAMES)) {
[13:10:31.960]                   name <- removed[[kk]]
[13:10:31.960]                   NAME <- NAMES[[kk]]
[13:10:31.960]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:31.960]                     next
[13:10:31.960]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:10:31.960]                 }
[13:10:31.960]                 if (length(args) > 0) 
[13:10:31.960]                   base::do.call(base::Sys.setenv, args = args)
[13:10:31.960]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:10:31.960]             }
[13:10:31.960]             else {
[13:10:31.960]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:10:31.960]             }
[13:10:31.960]             {
[13:10:31.960]                 if (base::length(...future.futureOptionsAdded) > 
[13:10:31.960]                   0L) {
[13:10:31.960]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:10:31.960]                   base::names(opts) <- ...future.futureOptionsAdded
[13:10:31.960]                   base::options(opts)
[13:10:31.960]                 }
[13:10:31.960]                 {
[13:10:31.960]                   NULL
[13:10:31.960]                   options(future.plan = NULL)
[13:10:31.960]                   if (is.na(NA_character_)) 
[13:10:31.960]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:10:31.960]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:10:31.960]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:10:31.960]                     .init = FALSE)
[13:10:31.960]                 }
[13:10:31.960]             }
[13:10:31.960]         }
[13:10:31.960]     })
[13:10:31.960]     if (TRUE) {
[13:10:31.960]         base::sink(type = "output", split = FALSE)
[13:10:31.960]         if (TRUE) {
[13:10:31.960]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:10:31.960]         }
[13:10:31.960]         else {
[13:10:31.960]             ...future.result["stdout"] <- base::list(NULL)
[13:10:31.960]         }
[13:10:31.960]         base::close(...future.stdout)
[13:10:31.960]         ...future.stdout <- NULL
[13:10:31.960]     }
[13:10:31.960]     ...future.result$conditions <- ...future.conditions
[13:10:31.960]     ...future.result$finished <- base::Sys.time()
[13:10:31.960]     ...future.result
[13:10:31.960] }
[13:10:32.061] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ... DONE
[13:10:32.061] plan(): nbrOfWorkers() = 2
> 
> options(future.demo.mandelbrot.nrow = 2L)
> options(future.demo.mandelbrot.resolution = 50L)
> options(future.demo.mandelbrot.delay = FALSE)
> 
> message("*** Demos ...")
*** Demos ...
> 
> message("*** Mandelbrot demo of the 'future' package ...")
*** Mandelbrot demo of the 'future' package ...
> 
> plan(mirai_multisession, workers = 2)
[13:10:32.063] plan(): Setting new future strategy stack:
[13:10:32.063] List of future strategies:
[13:10:32.063] 1. mirai_multisession:
[13:10:32.063]    - args: function (..., workers = 2, envir = parent.frame())
[13:10:32.063]    - tweaked: TRUE
[13:10:32.063]    - call: plan(mirai_multisession, workers = 2)
[13:10:32.076] plan(): plan_init() of 'tweaked', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ...
[13:10:32.076] < mirai | $data >
[13:10:32.077] getGlobalsAndPackages() ...
[13:10:32.077] Not searching for globals
[13:10:32.077] - globals: [0] <none>
[13:10:32.077] getGlobalsAndPackages() ... DONE
[13:10:32.077] getGlobalsAndPackages() ...
[13:10:32.078] 
[13:10:32.078] - globals: [0] <none>
[13:10:32.078] getGlobalsAndPackages() ... DONE
[13:10:32.078] Packages needed by the future expression (n = 0): <none>
[13:10:32.078] Packages needed by future strategies (n = 0): <none>
[13:10:32.079] {
[13:10:32.079]     {
[13:10:32.079]         {
[13:10:32.079]             ...future.startTime <- base::Sys.time()
[13:10:32.079]             {
[13:10:32.079]                 {
[13:10:32.079]                   {
[13:10:32.079]                     base::local({
[13:10:32.079]                       has_future <- base::requireNamespace("future", 
[13:10:32.079]                         quietly = TRUE)
[13:10:32.079]                       if (has_future) {
[13:10:32.079]                         ns <- base::getNamespace("future")
[13:10:32.079]                         version <- ns[[".package"]][["version"]]
[13:10:32.079]                         if (is.null(version)) 
[13:10:32.079]                           version <- utils::packageVersion("future")
[13:10:32.079]                       }
[13:10:32.079]                       else {
[13:10:32.079]                         version <- NULL
[13:10:32.079]                       }
[13:10:32.079]                       if (!has_future || version < "1.8.0") {
[13:10:32.079]                         info <- base::c(r_version = base::gsub("R version ", 
[13:10:32.079]                           "", base::R.version$version.string), 
[13:10:32.079]                           platform = base::sprintf("%s (%s-bit)", 
[13:10:32.079]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:10:32.079]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:10:32.079]                             "release", "version")], collapse = " "), 
[13:10:32.079]                           hostname = base::Sys.info()[["nodename"]])
[13:10:32.079]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:10:32.079]                           info)
[13:10:32.079]                         info <- base::paste(info, collapse = "; ")
[13:10:32.079]                         if (!has_future) {
[13:10:32.079]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:10:32.079]                             info)
[13:10:32.079]                         }
[13:10:32.079]                         else {
[13:10:32.079]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:10:32.079]                             info, version)
[13:10:32.079]                         }
[13:10:32.079]                         base::stop(msg)
[13:10:32.079]                       }
[13:10:32.079]                     })
[13:10:32.079]                   }
[13:10:32.079]                   ...future.strategy.old <- future::plan("list")
[13:10:32.079]                   options(future.plan = NULL)
[13:10:32.079]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:10:32.079]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:10:32.079]                 }
[13:10:32.079]                 ...future.workdir <- getwd()
[13:10:32.079]             }
[13:10:32.079]             ...future.oldOptions <- base::as.list(base::.Options)
[13:10:32.079]             ...future.oldEnvVars <- base::Sys.getenv()
[13:10:32.079]         }
[13:10:32.079]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:10:32.079]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:10:32.079]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:10:32.079]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:10:32.079]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:10:32.079]             future.stdout.windows.reencode = NULL, width = 80L)
[13:10:32.079]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:10:32.079]             base::names(...future.oldOptions))
[13:10:32.079]     }
[13:10:32.079]     if (FALSE) {
[13:10:32.079]     }
[13:10:32.079]     else {
[13:10:32.079]         if (TRUE) {
[13:10:32.079]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:10:32.079]                 open = "w")
[13:10:32.079]         }
[13:10:32.079]         else {
[13:10:32.079]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:10:32.079]                 windows = "NUL", "/dev/null"), open = "w")
[13:10:32.079]         }
[13:10:32.079]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:10:32.079]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:10:32.079]             base::sink(type = "output", split = FALSE)
[13:10:32.079]             base::close(...future.stdout)
[13:10:32.079]         }, add = TRUE)
[13:10:32.079]     }
[13:10:32.079]     ...future.frame <- base::sys.nframe()
[13:10:32.079]     ...future.conditions <- base::list()
[13:10:32.079]     ...future.rng <- base::globalenv()$.Random.seed
[13:10:32.079]     if (FALSE) {
[13:10:32.079]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:10:32.079]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:10:32.079]     }
[13:10:32.079]     ...future.result <- base::tryCatch({
[13:10:32.079]         base::withCallingHandlers({
[13:10:32.079]             ...future.value <- base::withVisible(base::local(NA))
[13:10:32.079]             future::FutureResult(value = ...future.value$value, 
[13:10:32.079]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:10:32.079]                   ...future.rng), globalenv = if (FALSE) 
[13:10:32.079]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:10:32.079]                     ...future.globalenv.names))
[13:10:32.079]                 else NULL, started = ...future.startTime, version = "1.8")
[13:10:32.079]         }, condition = base::local({
[13:10:32.079]             c <- base::c
[13:10:32.079]             inherits <- base::inherits
[13:10:32.079]             invokeRestart <- base::invokeRestart
[13:10:32.079]             length <- base::length
[13:10:32.079]             list <- base::list
[13:10:32.079]             seq.int <- base::seq.int
[13:10:32.079]             signalCondition <- base::signalCondition
[13:10:32.079]             sys.calls <- base::sys.calls
[13:10:32.079]             `[[` <- base::`[[`
[13:10:32.079]             `+` <- base::`+`
[13:10:32.079]             `<<-` <- base::`<<-`
[13:10:32.079]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:10:32.079]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:10:32.079]                   3L)]
[13:10:32.079]             }
[13:10:32.079]             function(cond) {
[13:10:32.079]                 is_error <- inherits(cond, "error")
[13:10:32.079]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:10:32.079]                   NULL)
[13:10:32.079]                 if (is_error) {
[13:10:32.079]                   sessionInformation <- function() {
[13:10:32.079]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:10:32.079]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:10:32.079]                       search = base::search(), system = base::Sys.info())
[13:10:32.079]                   }
[13:10:32.079]                   ...future.conditions[[length(...future.conditions) + 
[13:10:32.079]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:10:32.079]                     cond$call), session = sessionInformation(), 
[13:10:32.079]                     timestamp = base::Sys.time(), signaled = 0L)
[13:10:32.079]                   signalCondition(cond)
[13:10:32.079]                 }
[13:10:32.079]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:10:32.079]                   signal <- FALSE && inherits(cond, character(0))
[13:10:32.079]                   ...future.conditions[[length(...future.conditions) + 
[13:10:32.079]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:10:32.079]                   if (FALSE && !signal) {
[13:10:32.079]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:10:32.079]                     {
[13:10:32.079]                       inherits <- base::inherits
[13:10:32.079]                       invokeRestart <- base::invokeRestart
[13:10:32.079]                       is.null <- base::is.null
[13:10:32.079]                       muffled <- FALSE
[13:10:32.079]                       if (inherits(cond, "message")) {
[13:10:32.079]                         muffled <- grepl(pattern, "muffleMessage")
[13:10:32.079]                         if (muffled) 
[13:10:32.079]                           invokeRestart("muffleMessage")
[13:10:32.079]                       }
[13:10:32.079]                       else if (inherits(cond, "warning")) {
[13:10:32.079]                         muffled <- grepl(pattern, "muffleWarning")
[13:10:32.079]                         if (muffled) 
[13:10:32.079]                           invokeRestart("muffleWarning")
[13:10:32.079]                       }
[13:10:32.079]                       else if (inherits(cond, "condition")) {
[13:10:32.079]                         if (!is.null(pattern)) {
[13:10:32.079]                           computeRestarts <- base::computeRestarts
[13:10:32.079]                           grepl <- base::grepl
[13:10:32.079]                           restarts <- computeRestarts(cond)
[13:10:32.079]                           for (restart in restarts) {
[13:10:32.079]                             name <- restart$name
[13:10:32.079]                             if (is.null(name)) 
[13:10:32.079]                               next
[13:10:32.079]                             if (!grepl(pattern, name)) 
[13:10:32.079]                               next
[13:10:32.079]                             invokeRestart(restart)
[13:10:32.079]                             muffled <- TRUE
[13:10:32.079]                             break
[13:10:32.079]                           }
[13:10:32.079]                         }
[13:10:32.079]                       }
[13:10:32.079]                       invisible(muffled)
[13:10:32.079]                     }
[13:10:32.079]                     muffleCondition(cond, pattern = "^muffle")
[13:10:32.079]                   }
[13:10:32.079]                 }
[13:10:32.079]                 else {
[13:10:32.079]                   if (TRUE) {
[13:10:32.079]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:10:32.079]                     {
[13:10:32.079]                       inherits <- base::inherits
[13:10:32.079]                       invokeRestart <- base::invokeRestart
[13:10:32.079]                       is.null <- base::is.null
[13:10:32.079]                       muffled <- FALSE
[13:10:32.079]                       if (inherits(cond, "message")) {
[13:10:32.079]                         muffled <- grepl(pattern, "muffleMessage")
[13:10:32.079]                         if (muffled) 
[13:10:32.079]                           invokeRestart("muffleMessage")
[13:10:32.079]                       }
[13:10:32.079]                       else if (inherits(cond, "warning")) {
[13:10:32.079]                         muffled <- grepl(pattern, "muffleWarning")
[13:10:32.079]                         if (muffled) 
[13:10:32.079]                           invokeRestart("muffleWarning")
[13:10:32.079]                       }
[13:10:32.079]                       else if (inherits(cond, "condition")) {
[13:10:32.079]                         if (!is.null(pattern)) {
[13:10:32.079]                           computeRestarts <- base::computeRestarts
[13:10:32.079]                           grepl <- base::grepl
[13:10:32.079]                           restarts <- computeRestarts(cond)
[13:10:32.079]                           for (restart in restarts) {
[13:10:32.079]                             name <- restart$name
[13:10:32.079]                             if (is.null(name)) 
[13:10:32.079]                               next
[13:10:32.079]                             if (!grepl(pattern, name)) 
[13:10:32.079]                               next
[13:10:32.079]                             invokeRestart(restart)
[13:10:32.079]                             muffled <- TRUE
[13:10:32.079]                             break
[13:10:32.079]                           }
[13:10:32.079]                         }
[13:10:32.079]                       }
[13:10:32.079]                       invisible(muffled)
[13:10:32.079]                     }
[13:10:32.079]                     muffleCondition(cond, pattern = "^muffle")
[13:10:32.079]                   }
[13:10:32.079]                 }
[13:10:32.079]             }
[13:10:32.079]         }))
[13:10:32.079]     }, error = function(ex) {
[13:10:32.079]         base::structure(base::list(value = NULL, visible = NULL, 
[13:10:32.079]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:10:32.079]                 ...future.rng), started = ...future.startTime, 
[13:10:32.079]             finished = Sys.time(), session_uuid = NA_character_, 
[13:10:32.079]             version = "1.8"), class = "FutureResult")
[13:10:32.079]     }, finally = {
[13:10:32.079]         if (!identical(...future.workdir, getwd())) 
[13:10:32.079]             setwd(...future.workdir)
[13:10:32.079]         {
[13:10:32.079]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:10:32.079]                 ...future.oldOptions$nwarnings <- NULL
[13:10:32.079]             }
[13:10:32.079]             base::options(...future.oldOptions)
[13:10:32.079]             if (.Platform$OS.type == "windows") {
[13:10:32.079]                 old_names <- names(...future.oldEnvVars)
[13:10:32.079]                 envs <- base::Sys.getenv()
[13:10:32.079]                 names <- names(envs)
[13:10:32.079]                 common <- intersect(names, old_names)
[13:10:32.079]                 added <- setdiff(names, old_names)
[13:10:32.079]                 removed <- setdiff(old_names, names)
[13:10:32.079]                 changed <- common[...future.oldEnvVars[common] != 
[13:10:32.079]                   envs[common]]
[13:10:32.079]                 NAMES <- toupper(changed)
[13:10:32.079]                 args <- list()
[13:10:32.079]                 for (kk in seq_along(NAMES)) {
[13:10:32.079]                   name <- changed[[kk]]
[13:10:32.079]                   NAME <- NAMES[[kk]]
[13:10:32.079]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.079]                     next
[13:10:32.079]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:10:32.079]                 }
[13:10:32.079]                 NAMES <- toupper(added)
[13:10:32.079]                 for (kk in seq_along(NAMES)) {
[13:10:32.079]                   name <- added[[kk]]
[13:10:32.079]                   NAME <- NAMES[[kk]]
[13:10:32.079]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.079]                     next
[13:10:32.079]                   args[[name]] <- ""
[13:10:32.079]                 }
[13:10:32.079]                 NAMES <- toupper(removed)
[13:10:32.079]                 for (kk in seq_along(NAMES)) {
[13:10:32.079]                   name <- removed[[kk]]
[13:10:32.079]                   NAME <- NAMES[[kk]]
[13:10:32.079]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.079]                     next
[13:10:32.079]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:10:32.079]                 }
[13:10:32.079]                 if (length(args) > 0) 
[13:10:32.079]                   base::do.call(base::Sys.setenv, args = args)
[13:10:32.079]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:10:32.079]             }
[13:10:32.079]             else {
[13:10:32.079]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:10:32.079]             }
[13:10:32.079]             {
[13:10:32.079]                 if (base::length(...future.futureOptionsAdded) > 
[13:10:32.079]                   0L) {
[13:10:32.079]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:10:32.079]                   base::names(opts) <- ...future.futureOptionsAdded
[13:10:32.079]                   base::options(opts)
[13:10:32.079]                 }
[13:10:32.079]                 {
[13:10:32.079]                   NULL
[13:10:32.079]                   options(future.plan = NULL)
[13:10:32.079]                   if (is.na(NA_character_)) 
[13:10:32.079]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:10:32.079]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:10:32.079]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:10:32.079]                     .init = FALSE)
[13:10:32.079]                 }
[13:10:32.079]             }
[13:10:32.079]         }
[13:10:32.079]     })
[13:10:32.079]     if (TRUE) {
[13:10:32.079]         base::sink(type = "output", split = FALSE)
[13:10:32.079]         if (TRUE) {
[13:10:32.079]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:10:32.079]         }
[13:10:32.079]         else {
[13:10:32.079]             ...future.result["stdout"] <- base::list(NULL)
[13:10:32.079]         }
[13:10:32.079]         base::close(...future.stdout)
[13:10:32.079]         ...future.stdout <- NULL
[13:10:32.079]     }
[13:10:32.079]     ...future.result$conditions <- ...future.conditions
[13:10:32.079]     ...future.result$finished <- base::Sys.time()
[13:10:32.079]     ...future.result
[13:10:32.079] }
[13:10:32.180] plan(): plan_init() of 'tweaked', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ... DONE
[13:10:32.180] plan(): nbrOfWorkers() = 2
> demo("mandelbrot", package = "future", ask = FALSE)


	demo(mandelbrot)
	---- ~~~~~~~~~~

> library("future")

> library("graphics")

> plot_what_is_done <- function(counts) {
+   for (kk in seq_along(counts)) {
+     f <- counts[[kk]]
+ 
+     ## Already plotted?
+     if (!inherits(f, "Future")) next
+ 
+     ## Not resolved?
+     if (!resolved(f)) next
+ 
+     message(sprintf("Plotting tile #%d of %d ...", kk, n))
+     counts[[kk]] <- value(f)
+     screen(kk)
+     plot(counts[[kk]])
+   }
+ 
+   counts
+ }

> ## Options
> region <- getOption("future.demo.mandelbrot.region", 1L)

> if (!is.list(region)) {
+   if (region == 1L) {
+     region <- list(xmid = -0.75, ymid = 0.0, side = 3.0)
+   } else if (region == 2L) {
+     region <- list(xmid = 0.283, ymid = -0.0095, side = 0.00026)
+   } else if (region == 3L) {
+     region <- list(xmid = 0.282989, ymid = -0.01, side = 3e-8)
+   }
+ }

> nrow <- getOption("future.demo.mandelbrot.nrow", 3L)

> resolution <- getOption("future.demo.mandelbrot.resolution", 400L)

> delay <- getOption("future.demo.mandelbrot.delay", interactive())

> if (isTRUE(delay)) {
+   delay <- function(counts) Sys.sleep(1.0)
+ } else if (!is.function(delay)) {
+   delay <- function(counts) {}
+ }

> ## Generate Mandelbrot tiles to be computed
> Cs <- mandelbrot_tiles(xmid = region$xmid, ymid = region$ymid,
+                        side = region$side, nrow = nrow,
+                        resolution = resolution)

> if (interactive()) {
+   dev.new()
+   plot.new()
+   split.screen(dim(Cs))
+   for (ii in seq_along(Cs)) {
+     screen(ii)
+     par(mar = c(0, 0, 0, 0))
+     text(x = 1 / 2, y = 1 / 2, sprintf("Future #%d\nunresolved", ii), cex = 2)
+   }
+ } else {
+   split.screen(dim(Cs))
+ }
[1] 1 2 3 4

> ## Create all Mandelbrot tiles via lazy futures
> n <- length(Cs)

> message(sprintf("Creating %d Mandelbrot tiles:", n), appendLF = FALSE)
Creating 4 Mandelbrot tiles:
> counts <- lapply(seq_along(Cs), FUN=function(ii) {
+   message(" ", ii, appendLF = FALSE)
+   C <- Cs[[ii]]
+   future({
+     message(sprintf("Calculating tile #%d of %d ...", ii, n), appendLF = FALSE)
+     fit <- mandelbrot(C)
+ 
+     ## Emulate slowness
+     delay(fit)
+ 
+     message(" done")
+     fit
+   }, lazy = TRUE)
+ })
 1[13:10:32.235] getGlobalsAndPackages() ...
[13:10:32.235] Searching for globals...
[13:10:32.246] - globals found: [9] '{', 'message', 'sprintf', 'ii', 'n', '<-', 'mandelbrot', 'C', 'delay'
[13:10:32.246] Searching for globals ... DONE
[13:10:32.246] Resolving globals: FALSE
[13:10:32.247] The total size of the 4 globals is 14.24 KiB (14584 bytes)
[13:10:32.248] The total size of the 4 globals exported for future expression ('{; message(sprintf("Calculating tile #%d of %d ...", ii, n),; appendLF = FALSE); fit <- mandelbrot(C); delay(fit); message(" done"); fit; }') is 14.24 KiB.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). The three largest globals are 'C' (10.72 KiB of class 'complex'), 'delay' (3.41 KiB of class 'function') and 'ii' (56 bytes of class 'numeric')
[13:10:32.248] - globals: [4] 'ii', 'n', 'C', 'delay'
[13:10:32.249] - packages: [1] 'future'
[13:10:32.249] getGlobalsAndPackages() ... DONE
 2[13:10:32.253] getGlobalsAndPackages() ...
[13:10:32.254] Searching for globals...
[13:10:32.260] - globals found: [9] '{', 'message', 'sprintf', 'ii', 'n', '<-', 'mandelbrot', 'C', 'delay'
[13:10:32.260] Searching for globals ... DONE
[13:10:32.260] Resolving globals: FALSE
[13:10:32.261] The total size of the 4 globals is 14.24 KiB (14584 bytes)
[13:10:32.262] The total size of the 4 globals exported for future expression ('{; message(sprintf("Calculating tile #%d of %d ...", ii, n),; appendLF = FALSE); fit <- mandelbrot(C); delay(fit); message(" done"); fit; }') is 14.24 KiB.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). The three largest globals are 'C' (10.72 KiB of class 'complex'), 'delay' (3.41 KiB of class 'function') and 'ii' (56 bytes of class 'numeric')
[13:10:32.262] - globals: [4] 'ii', 'n', 'C', 'delay'
[13:10:32.262] - packages: [1] 'future'
[13:10:32.262] getGlobalsAndPackages() ... DONE
 3[13:10:32.263] getGlobalsAndPackages() ...
[13:10:32.263] Searching for globals...
[13:10:32.267] - globals found: [9] '{', 'message', 'sprintf', 'ii', 'n', '<-', 'mandelbrot', 'C', 'delay'
[13:10:32.267] Searching for globals ... DONE
[13:10:32.267] Resolving globals: FALSE
[13:10:32.268] The total size of the 4 globals is 14.24 KiB (14584 bytes)
[13:10:32.269] The total size of the 4 globals exported for future expression ('{; message(sprintf("Calculating tile #%d of %d ...", ii, n),; appendLF = FALSE); fit <- mandelbrot(C); delay(fit); message(" done"); fit; }') is 14.24 KiB.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). The three largest globals are 'C' (10.72 KiB of class 'complex'), 'delay' (3.41 KiB of class 'function') and 'ii' (56 bytes of class 'numeric')
[13:10:32.269] - globals: [4] 'ii', 'n', 'C', 'delay'
[13:10:32.269] - packages: [1] 'future'
[13:10:32.269] getGlobalsAndPackages() ... DONE
 4[13:10:32.270] getGlobalsAndPackages() ...
[13:10:32.270] Searching for globals...
[13:10:32.274] - globals found: [9] '{', 'message', 'sprintf', 'ii', 'n', '<-', 'mandelbrot', 'C', 'delay'
[13:10:32.274] Searching for globals ... DONE
[13:10:32.274] Resolving globals: FALSE
[13:10:32.275] The total size of the 4 globals is 14.24 KiB (14584 bytes)
[13:10:32.276] The total size of the 4 globals exported for future expression ('{; message(sprintf("Calculating tile #%d of %d ...", ii, n),; appendLF = FALSE); fit <- mandelbrot(C); delay(fit); message(" done"); fit; }') is 14.24 KiB.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). The three largest globals are 'C' (10.72 KiB of class 'complex'), 'delay' (3.41 KiB of class 'function') and 'ii' (56 bytes of class 'numeric')
[13:10:32.276] - globals: [4] 'ii', 'n', 'C', 'delay'
[13:10:32.276] - packages: [1] 'future'
[13:10:32.276] getGlobalsAndPackages() ... DONE

> message(".")
.

> ## Calculate and plot tiles
> repeat {
+   counts <- plot_what_is_done(counts)
+   if (!any(sapply(counts, FUN = inherits, "Future"))) break
+ }
[13:10:32.288] resolved() for 'Future' ...
[13:10:32.288] - state: 'created'
[13:10:32.288] - run: TRUE
[13:10:32.289] - run() ...
[13:10:32.289] run() for 'Future' ...
[13:10:32.289] - state: 'created'
[13:10:32.289] - Future backend: 'FutureStrategy', 'tweaked', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:10:32.290] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:10:32.290] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:10:32.290]   - Field: 'label'
[13:10:32.290]   - Field: 'local'
[13:10:32.291]   - Field: 'owner'
[13:10:32.291]   - Field: 'envir'
[13:10:32.291]   - Field: 'packages'
[13:10:32.291]   - Field: 'gc'
[13:10:32.291]   - Field: 'conditions'
[13:10:32.291]   - Field: 'expr'
[13:10:32.292]   - Field: 'uuid'
[13:10:32.292]   - Field: 'seed'
[13:10:32.292]   - Field: 'version'
[13:10:32.292]   - Field: 'result'
[13:10:32.292]   - Field: 'asynchronous'
[13:10:32.292]   - Field: 'calls'
[13:10:32.293]   - Field: 'globals'
[13:10:32.293]   - Field: 'stdout'
[13:10:32.293]   - Field: 'earlySignal'
[13:10:32.293]   - Field: 'lazy'
[13:10:32.293]   - Field: 'state'
[13:10:32.293]   - Field: '.cluster'
[13:10:32.294] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:10:32.294] - Launch lazy future ...
[13:10:32.294] Packages needed by the future expression (n = 1): 'future'
[13:10:32.294] Packages needed by future strategies (n = 0): <none>
[13:10:32.295] {
[13:10:32.295]     {
[13:10:32.295]         {
[13:10:32.295]             ...future.startTime <- base::Sys.time()
[13:10:32.295]             {
[13:10:32.295]                 {
[13:10:32.295]                   {
[13:10:32.295]                     {
[13:10:32.295]                       base::local({
[13:10:32.295]                         has_future <- base::requireNamespace("future", 
[13:10:32.295]                           quietly = TRUE)
[13:10:32.295]                         if (has_future) {
[13:10:32.295]                           ns <- base::getNamespace("future")
[13:10:32.295]                           version <- ns[[".package"]][["version"]]
[13:10:32.295]                           if (is.null(version)) 
[13:10:32.295]                             version <- utils::packageVersion("future")
[13:10:32.295]                         }
[13:10:32.295]                         else {
[13:10:32.295]                           version <- NULL
[13:10:32.295]                         }
[13:10:32.295]                         if (!has_future || version < "1.8.0") {
[13:10:32.295]                           info <- base::c(r_version = base::gsub("R version ", 
[13:10:32.295]                             "", base::R.version$version.string), 
[13:10:32.295]                             platform = base::sprintf("%s (%s-bit)", 
[13:10:32.295]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:10:32.295]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[13:10:32.295]                               "release", "version")], collapse = " "), 
[13:10:32.295]                             hostname = base::Sys.info()[["nodename"]])
[13:10:32.295]                           info <- base::sprintf("%s: %s", base::names(info), 
[13:10:32.295]                             info)
[13:10:32.295]                           info <- base::paste(info, collapse = "; ")
[13:10:32.295]                           if (!has_future) {
[13:10:32.295]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:10:32.295]                               info)
[13:10:32.295]                           }
[13:10:32.295]                           else {
[13:10:32.295]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:10:32.295]                               info, version)
[13:10:32.295]                           }
[13:10:32.295]                           base::stop(msg)
[13:10:32.295]                         }
[13:10:32.295]                       })
[13:10:32.295]                     }
[13:10:32.295]                     base::local({
[13:10:32.295]                       for (pkg in "future") {
[13:10:32.295]                         base::loadNamespace(pkg)
[13:10:32.295]                         base::library(pkg, character.only = TRUE)
[13:10:32.295]                       }
[13:10:32.295]                     })
[13:10:32.295]                   }
[13:10:32.295]                   ...future.strategy.old <- future::plan("list")
[13:10:32.295]                   options(future.plan = NULL)
[13:10:32.295]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:10:32.295]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:10:32.295]                 }
[13:10:32.295]                 ...future.workdir <- getwd()
[13:10:32.295]             }
[13:10:32.295]             ...future.oldOptions <- base::as.list(base::.Options)
[13:10:32.295]             ...future.oldEnvVars <- base::Sys.getenv()
[13:10:32.295]         }
[13:10:32.295]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:10:32.295]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:10:32.295]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:10:32.295]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:10:32.295]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:10:32.295]             future.stdout.windows.reencode = NULL, width = 80L)
[13:10:32.295]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:10:32.295]             base::names(...future.oldOptions))
[13:10:32.295]     }
[13:10:32.295]     if (FALSE) {
[13:10:32.295]     }
[13:10:32.295]     else {
[13:10:32.295]         if (TRUE) {
[13:10:32.295]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:10:32.295]                 open = "w")
[13:10:32.295]         }
[13:10:32.295]         else {
[13:10:32.295]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:10:32.295]                 windows = "NUL", "/dev/null"), open = "w")
[13:10:32.295]         }
[13:10:32.295]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:10:32.295]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:10:32.295]             base::sink(type = "output", split = FALSE)
[13:10:32.295]             base::close(...future.stdout)
[13:10:32.295]         }, add = TRUE)
[13:10:32.295]     }
[13:10:32.295]     ...future.frame <- base::sys.nframe()
[13:10:32.295]     ...future.conditions <- base::list()
[13:10:32.295]     ...future.rng <- base::globalenv()$.Random.seed
[13:10:32.295]     if (FALSE) {
[13:10:32.295]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:10:32.295]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:10:32.295]     }
[13:10:32.295]     ...future.result <- base::tryCatch({
[13:10:32.295]         base::withCallingHandlers({
[13:10:32.295]             ...future.value <- base::withVisible(base::local({
[13:10:32.295]                 message(sprintf("Calculating tile #%d of %d ...", 
[13:10:32.295]                   ii, n), appendLF = FALSE)
[13:10:32.295]                 fit <- mandelbrot(C)
[13:10:32.295]                 delay(fit)
[13:10:32.295]                 message(" done")
[13:10:32.295]                 fit
[13:10:32.295]             }))
[13:10:32.295]             future::FutureResult(value = ...future.value$value, 
[13:10:32.295]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:10:32.295]                   ...future.rng), globalenv = if (FALSE) 
[13:10:32.295]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:10:32.295]                     ...future.globalenv.names))
[13:10:32.295]                 else NULL, started = ...future.startTime, version = "1.8")
[13:10:32.295]         }, condition = base::local({
[13:10:32.295]             c <- base::c
[13:10:32.295]             inherits <- base::inherits
[13:10:32.295]             invokeRestart <- base::invokeRestart
[13:10:32.295]             length <- base::length
[13:10:32.295]             list <- base::list
[13:10:32.295]             seq.int <- base::seq.int
[13:10:32.295]             signalCondition <- base::signalCondition
[13:10:32.295]             sys.calls <- base::sys.calls
[13:10:32.295]             `[[` <- base::`[[`
[13:10:32.295]             `+` <- base::`+`
[13:10:32.295]             `<<-` <- base::`<<-`
[13:10:32.295]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:10:32.295]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:10:32.295]                   3L)]
[13:10:32.295]             }
[13:10:32.295]             function(cond) {
[13:10:32.295]                 is_error <- inherits(cond, "error")
[13:10:32.295]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:10:32.295]                   NULL)
[13:10:32.295]                 if (is_error) {
[13:10:32.295]                   sessionInformation <- function() {
[13:10:32.295]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:10:32.295]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:10:32.295]                       search = base::search(), system = base::Sys.info())
[13:10:32.295]                   }
[13:10:32.295]                   ...future.conditions[[length(...future.conditions) + 
[13:10:32.295]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:10:32.295]                     cond$call), session = sessionInformation(), 
[13:10:32.295]                     timestamp = base::Sys.time(), signaled = 0L)
[13:10:32.295]                   signalCondition(cond)
[13:10:32.295]                 }
[13:10:32.295]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:10:32.295]                   signal <- FALSE && inherits(cond, character(0))
[13:10:32.295]                   ...future.conditions[[length(...future.conditions) + 
[13:10:32.295]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:10:32.295]                   if (FALSE && !signal) {
[13:10:32.295]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:10:32.295]                     {
[13:10:32.295]                       inherits <- base::inherits
[13:10:32.295]                       invokeRestart <- base::invokeRestart
[13:10:32.295]                       is.null <- base::is.null
[13:10:32.295]                       muffled <- FALSE
[13:10:32.295]                       if (inherits(cond, "message")) {
[13:10:32.295]                         muffled <- grepl(pattern, "muffleMessage")
[13:10:32.295]                         if (muffled) 
[13:10:32.295]                           invokeRestart("muffleMessage")
[13:10:32.295]                       }
[13:10:32.295]                       else if (inherits(cond, "warning")) {
[13:10:32.295]                         muffled <- grepl(pattern, "muffleWarning")
[13:10:32.295]                         if (muffled) 
[13:10:32.295]                           invokeRestart("muffleWarning")
[13:10:32.295]                       }
[13:10:32.295]                       else if (inherits(cond, "condition")) {
[13:10:32.295]                         if (!is.null(pattern)) {
[13:10:32.295]                           computeRestarts <- base::computeRestarts
[13:10:32.295]                           grepl <- base::grepl
[13:10:32.295]                           restarts <- computeRestarts(cond)
[13:10:32.295]                           for (restart in restarts) {
[13:10:32.295]                             name <- restart$name
[13:10:32.295]                             if (is.null(name)) 
[13:10:32.295]                               next
[13:10:32.295]                             if (!grepl(pattern, name)) 
[13:10:32.295]                               next
[13:10:32.295]                             invokeRestart(restart)
[13:10:32.295]                             muffled <- TRUE
[13:10:32.295]                             break
[13:10:32.295]                           }
[13:10:32.295]                         }
[13:10:32.295]                       }
[13:10:32.295]                       invisible(muffled)
[13:10:32.295]                     }
[13:10:32.295]                     muffleCondition(cond, pattern = "^muffle")
[13:10:32.295]                   }
[13:10:32.295]                 }
[13:10:32.295]                 else {
[13:10:32.295]                   if (TRUE) {
[13:10:32.295]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:10:32.295]                     {
[13:10:32.295]                       inherits <- base::inherits
[13:10:32.295]                       invokeRestart <- base::invokeRestart
[13:10:32.295]                       is.null <- base::is.null
[13:10:32.295]                       muffled <- FALSE
[13:10:32.295]                       if (inherits(cond, "message")) {
[13:10:32.295]                         muffled <- grepl(pattern, "muffleMessage")
[13:10:32.295]                         if (muffled) 
[13:10:32.295]                           invokeRestart("muffleMessage")
[13:10:32.295]                       }
[13:10:32.295]                       else if (inherits(cond, "warning")) {
[13:10:32.295]                         muffled <- grepl(pattern, "muffleWarning")
[13:10:32.295]                         if (muffled) 
[13:10:32.295]                           invokeRestart("muffleWarning")
[13:10:32.295]                       }
[13:10:32.295]                       else if (inherits(cond, "condition")) {
[13:10:32.295]                         if (!is.null(pattern)) {
[13:10:32.295]                           computeRestarts <- base::computeRestarts
[13:10:32.295]                           grepl <- base::grepl
[13:10:32.295]                           restarts <- computeRestarts(cond)
[13:10:32.295]                           for (restart in restarts) {
[13:10:32.295]                             name <- restart$name
[13:10:32.295]                             if (is.null(name)) 
[13:10:32.295]                               next
[13:10:32.295]                             if (!grepl(pattern, name)) 
[13:10:32.295]                               next
[13:10:32.295]                             invokeRestart(restart)
[13:10:32.295]                             muffled <- TRUE
[13:10:32.295]                             break
[13:10:32.295]                           }
[13:10:32.295]                         }
[13:10:32.295]                       }
[13:10:32.295]                       invisible(muffled)
[13:10:32.295]                     }
[13:10:32.295]                     muffleCondition(cond, pattern = "^muffle")
[13:10:32.295]                   }
[13:10:32.295]                 }
[13:10:32.295]             }
[13:10:32.295]         }))
[13:10:32.295]     }, error = function(ex) {
[13:10:32.295]         base::structure(base::list(value = NULL, visible = NULL, 
[13:10:32.295]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:10:32.295]                 ...future.rng), started = ...future.startTime, 
[13:10:32.295]             finished = Sys.time(), session_uuid = NA_character_, 
[13:10:32.295]             version = "1.8"), class = "FutureResult")
[13:10:32.295]     }, finally = {
[13:10:32.295]         if (!identical(...future.workdir, getwd())) 
[13:10:32.295]             setwd(...future.workdir)
[13:10:32.295]         {
[13:10:32.295]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:10:32.295]                 ...future.oldOptions$nwarnings <- NULL
[13:10:32.295]             }
[13:10:32.295]             base::options(...future.oldOptions)
[13:10:32.295]             if (.Platform$OS.type == "windows") {
[13:10:32.295]                 old_names <- names(...future.oldEnvVars)
[13:10:32.295]                 envs <- base::Sys.getenv()
[13:10:32.295]                 names <- names(envs)
[13:10:32.295]                 common <- intersect(names, old_names)
[13:10:32.295]                 added <- setdiff(names, old_names)
[13:10:32.295]                 removed <- setdiff(old_names, names)
[13:10:32.295]                 changed <- common[...future.oldEnvVars[common] != 
[13:10:32.295]                   envs[common]]
[13:10:32.295]                 NAMES <- toupper(changed)
[13:10:32.295]                 args <- list()
[13:10:32.295]                 for (kk in seq_along(NAMES)) {
[13:10:32.295]                   name <- changed[[kk]]
[13:10:32.295]                   NAME <- NAMES[[kk]]
[13:10:32.295]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.295]                     next
[13:10:32.295]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:10:32.295]                 }
[13:10:32.295]                 NAMES <- toupper(added)
[13:10:32.295]                 for (kk in seq_along(NAMES)) {
[13:10:32.295]                   name <- added[[kk]]
[13:10:32.295]                   NAME <- NAMES[[kk]]
[13:10:32.295]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.295]                     next
[13:10:32.295]                   args[[name]] <- ""
[13:10:32.295]                 }
[13:10:32.295]                 NAMES <- toupper(removed)
[13:10:32.295]                 for (kk in seq_along(NAMES)) {
[13:10:32.295]                   name <- removed[[kk]]
[13:10:32.295]                   NAME <- NAMES[[kk]]
[13:10:32.295]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.295]                     next
[13:10:32.295]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:10:32.295]                 }
[13:10:32.295]                 if (length(args) > 0) 
[13:10:32.295]                   base::do.call(base::Sys.setenv, args = args)
[13:10:32.295]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:10:32.295]             }
[13:10:32.295]             else {
[13:10:32.295]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:10:32.295]             }
[13:10:32.295]             {
[13:10:32.295]                 if (base::length(...future.futureOptionsAdded) > 
[13:10:32.295]                   0L) {
[13:10:32.295]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:10:32.295]                   base::names(opts) <- ...future.futureOptionsAdded
[13:10:32.295]                   base::options(opts)
[13:10:32.295]                 }
[13:10:32.295]                 {
[13:10:32.295]                   NULL
[13:10:32.295]                   options(future.plan = NULL)
[13:10:32.295]                   if (is.na(NA_character_)) 
[13:10:32.295]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:10:32.295]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:10:32.295]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:10:32.295]                     .init = FALSE)
[13:10:32.295]                 }
[13:10:32.295]             }
[13:10:32.295]         }
[13:10:32.295]     })
[13:10:32.295]     if (TRUE) {
[13:10:32.295]         base::sink(type = "output", split = FALSE)
[13:10:32.295]         if (TRUE) {
[13:10:32.295]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:10:32.295]         }
[13:10:32.295]         else {
[13:10:32.295]             ...future.result["stdout"] <- base::list(NULL)
[13:10:32.295]         }
[13:10:32.295]         base::close(...future.stdout)
[13:10:32.295]         ...future.stdout <- NULL
[13:10:32.295]     }
[13:10:32.295]     ...future.result$conditions <- ...future.conditions
[13:10:32.295]     ...future.result$finished <- base::Sys.time()
[13:10:32.295]     ...future.result
[13:10:32.295] }
[13:10:32.299] - Launch lazy future ... done
[13:10:32.299] run() for 'MiraiFuture' ... done
[13:10:32.299] - run() ... done
[13:10:32.299] - resolved() ...
[13:10:32.300] resolved() for 'MiraiFuture' ...
[13:10:32.300] - state: 'running'
[13:10:32.300] - run: TRUE
[13:10:32.300] - result: 'NULL'
[13:10:32.301] - resolved: FALSE
[13:10:32.301] resolved() for 'MiraiFuture' ... done
[13:10:32.301] - resolved: FALSE
[13:10:32.301] - resolved() ... done
[13:10:32.301] resolved() for 'MiraiFuture' ... done
[13:10:32.301] resolved() for 'Future' ...
[13:10:32.302] - state: 'created'
[13:10:32.302] - run: TRUE
[13:10:32.302] - run() ...
[13:10:32.302] run() for 'Future' ...
[13:10:32.302] - state: 'created'
[13:10:32.303] - Future backend: 'FutureStrategy', 'tweaked', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:10:32.303] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:10:32.303] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:10:32.303]   - Field: 'label'
[13:10:32.304]   - Field: 'local'
[13:10:32.304]   - Field: 'owner'
[13:10:32.304]   - Field: 'envir'
[13:10:32.304]   - Field: 'packages'
[13:10:32.304]   - Field: 'gc'
[13:10:32.304]   - Field: 'conditions'
[13:10:32.305]   - Field: 'expr'
[13:10:32.305]   - Field: 'uuid'
[13:10:32.305]   - Field: 'seed'
[13:10:32.305]   - Field: 'version'
[13:10:32.305]   - Field: 'result'
[13:10:32.305]   - Field: 'asynchronous'
[13:10:32.306]   - Field: 'calls'
[13:10:32.306]   - Field: 'globals'
[13:10:32.306]   - Field: 'stdout'
[13:10:32.306]   - Field: 'earlySignal'
[13:10:32.306]   - Field: 'lazy'
[13:10:32.306]   - Field: 'state'
[13:10:32.307]   - Field: '.cluster'
[13:10:32.307] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:10:32.307] - Launch lazy future ...
[13:10:32.307] Packages needed by the future expression (n = 1): 'future'
[13:10:32.307] Packages needed by future strategies (n = 0): <none>
[13:10:32.308] {
[13:10:32.308]     {
[13:10:32.308]         {
[13:10:32.308]             ...future.startTime <- base::Sys.time()
[13:10:32.308]             {
[13:10:32.308]                 {
[13:10:32.308]                   {
[13:10:32.308]                     {
[13:10:32.308]                       base::local({
[13:10:32.308]                         has_future <- base::requireNamespace("future", 
[13:10:32.308]                           quietly = TRUE)
[13:10:32.308]                         if (has_future) {
[13:10:32.308]                           ns <- base::getNamespace("future")
[13:10:32.308]                           version <- ns[[".package"]][["version"]]
[13:10:32.308]                           if (is.null(version)) 
[13:10:32.308]                             version <- utils::packageVersion("future")
[13:10:32.308]                         }
[13:10:32.308]                         else {
[13:10:32.308]                           version <- NULL
[13:10:32.308]                         }
[13:10:32.308]                         if (!has_future || version < "1.8.0") {
[13:10:32.308]                           info <- base::c(r_version = base::gsub("R version ", 
[13:10:32.308]                             "", base::R.version$version.string), 
[13:10:32.308]                             platform = base::sprintf("%s (%s-bit)", 
[13:10:32.308]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:10:32.308]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[13:10:32.308]                               "release", "version")], collapse = " "), 
[13:10:32.308]                             hostname = base::Sys.info()[["nodename"]])
[13:10:32.308]                           info <- base::sprintf("%s: %s", base::names(info), 
[13:10:32.308]                             info)
[13:10:32.308]                           info <- base::paste(info, collapse = "; ")
[13:10:32.308]                           if (!has_future) {
[13:10:32.308]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:10:32.308]                               info)
[13:10:32.308]                           }
[13:10:32.308]                           else {
[13:10:32.308]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:10:32.308]                               info, version)
[13:10:32.308]                           }
[13:10:32.308]                           base::stop(msg)
[13:10:32.308]                         }
[13:10:32.308]                       })
[13:10:32.308]                     }
[13:10:32.308]                     base::local({
[13:10:32.308]                       for (pkg in "future") {
[13:10:32.308]                         base::loadNamespace(pkg)
[13:10:32.308]                         base::library(pkg, character.only = TRUE)
[13:10:32.308]                       }
[13:10:32.308]                     })
[13:10:32.308]                   }
[13:10:32.308]                   ...future.strategy.old <- future::plan("list")
[13:10:32.308]                   options(future.plan = NULL)
[13:10:32.308]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:10:32.308]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:10:32.308]                 }
[13:10:32.308]                 ...future.workdir <- getwd()
[13:10:32.308]             }
[13:10:32.308]             ...future.oldOptions <- base::as.list(base::.Options)
[13:10:32.308]             ...future.oldEnvVars <- base::Sys.getenv()
[13:10:32.308]         }
[13:10:32.308]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:10:32.308]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:10:32.308]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:10:32.308]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:10:32.308]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:10:32.308]             future.stdout.windows.reencode = NULL, width = 80L)
[13:10:32.308]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:10:32.308]             base::names(...future.oldOptions))
[13:10:32.308]     }
[13:10:32.308]     if (FALSE) {
[13:10:32.308]     }
[13:10:32.308]     else {
[13:10:32.308]         if (TRUE) {
[13:10:32.308]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:10:32.308]                 open = "w")
[13:10:32.308]         }
[13:10:32.308]         else {
[13:10:32.308]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:10:32.308]                 windows = "NUL", "/dev/null"), open = "w")
[13:10:32.308]         }
[13:10:32.308]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:10:32.308]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:10:32.308]             base::sink(type = "output", split = FALSE)
[13:10:32.308]             base::close(...future.stdout)
[13:10:32.308]         }, add = TRUE)
[13:10:32.308]     }
[13:10:32.308]     ...future.frame <- base::sys.nframe()
[13:10:32.308]     ...future.conditions <- base::list()
[13:10:32.308]     ...future.rng <- base::globalenv()$.Random.seed
[13:10:32.308]     if (FALSE) {
[13:10:32.308]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:10:32.308]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:10:32.308]     }
[13:10:32.308]     ...future.result <- base::tryCatch({
[13:10:32.308]         base::withCallingHandlers({
[13:10:32.308]             ...future.value <- base::withVisible(base::local({
[13:10:32.308]                 message(sprintf("Calculating tile #%d of %d ...", 
[13:10:32.308]                   ii, n), appendLF = FALSE)
[13:10:32.308]                 fit <- mandelbrot(C)
[13:10:32.308]                 delay(fit)
[13:10:32.308]                 message(" done")
[13:10:32.308]                 fit
[13:10:32.308]             }))
[13:10:32.308]             future::FutureResult(value = ...future.value$value, 
[13:10:32.308]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:10:32.308]                   ...future.rng), globalenv = if (FALSE) 
[13:10:32.308]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:10:32.308]                     ...future.globalenv.names))
[13:10:32.308]                 else NULL, started = ...future.startTime, version = "1.8")
[13:10:32.308]         }, condition = base::local({
[13:10:32.308]             c <- base::c
[13:10:32.308]             inherits <- base::inherits
[13:10:32.308]             invokeRestart <- base::invokeRestart
[13:10:32.308]             length <- base::length
[13:10:32.308]             list <- base::list
[13:10:32.308]             seq.int <- base::seq.int
[13:10:32.308]             signalCondition <- base::signalCondition
[13:10:32.308]             sys.calls <- base::sys.calls
[13:10:32.308]             `[[` <- base::`[[`
[13:10:32.308]             `+` <- base::`+`
[13:10:32.308]             `<<-` <- base::`<<-`
[13:10:32.308]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:10:32.308]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:10:32.308]                   3L)]
[13:10:32.308]             }
[13:10:32.308]             function(cond) {
[13:10:32.308]                 is_error <- inherits(cond, "error")
[13:10:32.308]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:10:32.308]                   NULL)
[13:10:32.308]                 if (is_error) {
[13:10:32.308]                   sessionInformation <- function() {
[13:10:32.308]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:10:32.308]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:10:32.308]                       search = base::search(), system = base::Sys.info())
[13:10:32.308]                   }
[13:10:32.308]                   ...future.conditions[[length(...future.conditions) + 
[13:10:32.308]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:10:32.308]                     cond$call), session = sessionInformation(), 
[13:10:32.308]                     timestamp = base::Sys.time(), signaled = 0L)
[13:10:32.308]                   signalCondition(cond)
[13:10:32.308]                 }
[13:10:32.308]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:10:32.308]                   signal <- FALSE && inherits(cond, character(0))
[13:10:32.308]                   ...future.conditions[[length(...future.conditions) + 
[13:10:32.308]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:10:32.308]                   if (FALSE && !signal) {
[13:10:32.308]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:10:32.308]                     {
[13:10:32.308]                       inherits <- base::inherits
[13:10:32.308]                       invokeRestart <- base::invokeRestart
[13:10:32.308]                       is.null <- base::is.null
[13:10:32.308]                       muffled <- FALSE
[13:10:32.308]                       if (inherits(cond, "message")) {
[13:10:32.308]                         muffled <- grepl(pattern, "muffleMessage")
[13:10:32.308]                         if (muffled) 
[13:10:32.308]                           invokeRestart("muffleMessage")
[13:10:32.308]                       }
[13:10:32.308]                       else if (inherits(cond, "warning")) {
[13:10:32.308]                         muffled <- grepl(pattern, "muffleWarning")
[13:10:32.308]                         if (muffled) 
[13:10:32.308]                           invokeRestart("muffleWarning")
[13:10:32.308]                       }
[13:10:32.308]                       else if (inherits(cond, "condition")) {
[13:10:32.308]                         if (!is.null(pattern)) {
[13:10:32.308]                           computeRestarts <- base::computeRestarts
[13:10:32.308]                           grepl <- base::grepl
[13:10:32.308]                           restarts <- computeRestarts(cond)
[13:10:32.308]                           for (restart in restarts) {
[13:10:32.308]                             name <- restart$name
[13:10:32.308]                             if (is.null(name)) 
[13:10:32.308]                               next
[13:10:32.308]                             if (!grepl(pattern, name)) 
[13:10:32.308]                               next
[13:10:32.308]                             invokeRestart(restart)
[13:10:32.308]                             muffled <- TRUE
[13:10:32.308]                             break
[13:10:32.308]                           }
[13:10:32.308]                         }
[13:10:32.308]                       }
[13:10:32.308]                       invisible(muffled)
[13:10:32.308]                     }
[13:10:32.308]                     muffleCondition(cond, pattern = "^muffle")
[13:10:32.308]                   }
[13:10:32.308]                 }
[13:10:32.308]                 else {
[13:10:32.308]                   if (TRUE) {
[13:10:32.308]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:10:32.308]                     {
[13:10:32.308]                       inherits <- base::inherits
[13:10:32.308]                       invokeRestart <- base::invokeRestart
[13:10:32.308]                       is.null <- base::is.null
[13:10:32.308]                       muffled <- FALSE
[13:10:32.308]                       if (inherits(cond, "message")) {
[13:10:32.308]                         muffled <- grepl(pattern, "muffleMessage")
[13:10:32.308]                         if (muffled) 
[13:10:32.308]                           invokeRestart("muffleMessage")
[13:10:32.308]                       }
[13:10:32.308]                       else if (inherits(cond, "warning")) {
[13:10:32.308]                         muffled <- grepl(pattern, "muffleWarning")
[13:10:32.308]                         if (muffled) 
[13:10:32.308]                           invokeRestart("muffleWarning")
[13:10:32.308]                       }
[13:10:32.308]                       else if (inherits(cond, "condition")) {
[13:10:32.308]                         if (!is.null(pattern)) {
[13:10:32.308]                           computeRestarts <- base::computeRestarts
[13:10:32.308]                           grepl <- base::grepl
[13:10:32.308]                           restarts <- computeRestarts(cond)
[13:10:32.308]                           for (restart in restarts) {
[13:10:32.308]                             name <- restart$name
[13:10:32.308]                             if (is.null(name)) 
[13:10:32.308]                               next
[13:10:32.308]                             if (!grepl(pattern, name)) 
[13:10:32.308]                               next
[13:10:32.308]                             invokeRestart(restart)
[13:10:32.308]                             muffled <- TRUE
[13:10:32.308]                             break
[13:10:32.308]                           }
[13:10:32.308]                         }
[13:10:32.308]                       }
[13:10:32.308]                       invisible(muffled)
[13:10:32.308]                     }
[13:10:32.308]                     muffleCondition(cond, pattern = "^muffle")
[13:10:32.308]                   }
[13:10:32.308]                 }
[13:10:32.308]             }
[13:10:32.308]         }))
[13:10:32.308]     }, error = function(ex) {
[13:10:32.308]         base::structure(base::list(value = NULL, visible = NULL, 
[13:10:32.308]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:10:32.308]                 ...future.rng), started = ...future.startTime, 
[13:10:32.308]             finished = Sys.time(), session_uuid = NA_character_, 
[13:10:32.308]             version = "1.8"), class = "FutureResult")
[13:10:32.308]     }, finally = {
[13:10:32.308]         if (!identical(...future.workdir, getwd())) 
[13:10:32.308]             setwd(...future.workdir)
[13:10:32.308]         {
[13:10:32.308]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:10:32.308]                 ...future.oldOptions$nwarnings <- NULL
[13:10:32.308]             }
[13:10:32.308]             base::options(...future.oldOptions)
[13:10:32.308]             if (.Platform$OS.type == "windows") {
[13:10:32.308]                 old_names <- names(...future.oldEnvVars)
[13:10:32.308]                 envs <- base::Sys.getenv()
[13:10:32.308]                 names <- names(envs)
[13:10:32.308]                 common <- intersect(names, old_names)
[13:10:32.308]                 added <- setdiff(names, old_names)
[13:10:32.308]                 removed <- setdiff(old_names, names)
[13:10:32.308]                 changed <- common[...future.oldEnvVars[common] != 
[13:10:32.308]                   envs[common]]
[13:10:32.308]                 NAMES <- toupper(changed)
[13:10:32.308]                 args <- list()
[13:10:32.308]                 for (kk in seq_along(NAMES)) {
[13:10:32.308]                   name <- changed[[kk]]
[13:10:32.308]                   NAME <- NAMES[[kk]]
[13:10:32.308]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.308]                     next
[13:10:32.308]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:10:32.308]                 }
[13:10:32.308]                 NAMES <- toupper(added)
[13:10:32.308]                 for (kk in seq_along(NAMES)) {
[13:10:32.308]                   name <- added[[kk]]
[13:10:32.308]                   NAME <- NAMES[[kk]]
[13:10:32.308]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.308]                     next
[13:10:32.308]                   args[[name]] <- ""
[13:10:32.308]                 }
[13:10:32.308]                 NAMES <- toupper(removed)
[13:10:32.308]                 for (kk in seq_along(NAMES)) {
[13:10:32.308]                   name <- removed[[kk]]
[13:10:32.308]                   NAME <- NAMES[[kk]]
[13:10:32.308]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.308]                     next
[13:10:32.308]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:10:32.308]                 }
[13:10:32.308]                 if (length(args) > 0) 
[13:10:32.308]                   base::do.call(base::Sys.setenv, args = args)
[13:10:32.308]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:10:32.308]             }
[13:10:32.308]             else {
[13:10:32.308]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:10:32.308]             }
[13:10:32.308]             {
[13:10:32.308]                 if (base::length(...future.futureOptionsAdded) > 
[13:10:32.308]                   0L) {
[13:10:32.308]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:10:32.308]                   base::names(opts) <- ...future.futureOptionsAdded
[13:10:32.308]                   base::options(opts)
[13:10:32.308]                 }
[13:10:32.308]                 {
[13:10:32.308]                   NULL
[13:10:32.308]                   options(future.plan = NULL)
[13:10:32.308]                   if (is.na(NA_character_)) 
[13:10:32.308]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:10:32.308]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:10:32.308]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:10:32.308]                     .init = FALSE)
[13:10:32.308]                 }
[13:10:32.308]             }
[13:10:32.308]         }
[13:10:32.308]     })
[13:10:32.308]     if (TRUE) {
[13:10:32.308]         base::sink(type = "output", split = FALSE)
[13:10:32.308]         if (TRUE) {
[13:10:32.308]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:10:32.308]         }
[13:10:32.308]         else {
[13:10:32.308]             ...future.result["stdout"] <- base::list(NULL)
[13:10:32.308]         }
[13:10:32.308]         base::close(...future.stdout)
[13:10:32.308]         ...future.stdout <- NULL
[13:10:32.308]     }
[13:10:32.308]     ...future.result$conditions <- ...future.conditions
[13:10:32.308]     ...future.result$finished <- base::Sys.time()
[13:10:32.308]     ...future.result
[13:10:32.308] }
[13:10:32.312] - Launch lazy future ... done
[13:10:32.312] run() for 'MiraiFuture' ... done
[13:10:32.313] - run() ... done
[13:10:32.313] - resolved() ...
[13:10:32.313] resolved() for 'MiraiFuture' ...
[13:10:32.313] - state: 'running'
[13:10:32.313] - run: TRUE
[13:10:32.313] - result: 'NULL'
[13:10:32.314] - resolved: FALSE
[13:10:32.314] resolved() for 'MiraiFuture' ... done
[13:10:32.314] - resolved: FALSE
[13:10:32.314] - resolved() ... done
[13:10:32.314] resolved() for 'MiraiFuture' ... done
[13:10:32.314] resolved() for 'Future' ...
[13:10:32.315] - state: 'created'
[13:10:32.316] - run: TRUE
[13:10:32.316] - run() ...
[13:10:32.317] run() for 'Future' ...
[13:10:32.317] - state: 'created'
[13:10:32.317] - Future backend: 'FutureStrategy', 'tweaked', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:10:32.317] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:10:32.318] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:10:32.318]   - Field: 'label'
[13:10:32.318]   - Field: 'local'
[13:10:32.318]   - Field: 'owner'
[13:10:32.318]   - Field: 'envir'
[13:10:32.318]   - Field: 'packages'
[13:10:32.319]   - Field: 'gc'
[13:10:32.319]   - Field: 'conditions'
[13:10:32.319]   - Field: 'expr'
[13:10:32.319]   - Field: 'uuid'
[13:10:32.319]   - Field: 'seed'
[13:10:32.319]   - Field: 'version'
[13:10:32.320]   - Field: 'result'
[13:10:32.320]   - Field: 'asynchronous'
[13:10:32.320]   - Field: 'calls'
[13:10:32.320]   - Field: 'globals'
[13:10:32.320]   - Field: 'stdout'
[13:10:32.321]   - Field: 'earlySignal'
[13:10:32.321]   - Field: 'lazy'
[13:10:32.321]   - Field: 'state'
[13:10:32.321]   - Field: '.cluster'
[13:10:32.321] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:10:32.321] - Launch lazy future ...
[13:10:32.322] Packages needed by the future expression (n = 1): 'future'
[13:10:32.322] Packages needed by future strategies (n = 0): <none>
[13:10:32.322] {
[13:10:32.322]     {
[13:10:32.322]         {
[13:10:32.322]             ...future.startTime <- base::Sys.time()
[13:10:32.322]             {
[13:10:32.322]                 {
[13:10:32.322]                   {
[13:10:32.322]                     {
[13:10:32.322]                       base::local({
[13:10:32.322]                         has_future <- base::requireNamespace("future", 
[13:10:32.322]                           quietly = TRUE)
[13:10:32.322]                         if (has_future) {
[13:10:32.322]                           ns <- base::getNamespace("future")
[13:10:32.322]                           version <- ns[[".package"]][["version"]]
[13:10:32.322]                           if (is.null(version)) 
[13:10:32.322]                             version <- utils::packageVersion("future")
[13:10:32.322]                         }
[13:10:32.322]                         else {
[13:10:32.322]                           version <- NULL
[13:10:32.322]                         }
[13:10:32.322]                         if (!has_future || version < "1.8.0") {
[13:10:32.322]                           info <- base::c(r_version = base::gsub("R version ", 
[13:10:32.322]                             "", base::R.version$version.string), 
[13:10:32.322]                             platform = base::sprintf("%s (%s-bit)", 
[13:10:32.322]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:10:32.322]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[13:10:32.322]                               "release", "version")], collapse = " "), 
[13:10:32.322]                             hostname = base::Sys.info()[["nodename"]])
[13:10:32.322]                           info <- base::sprintf("%s: %s", base::names(info), 
[13:10:32.322]                             info)
[13:10:32.322]                           info <- base::paste(info, collapse = "; ")
[13:10:32.322]                           if (!has_future) {
[13:10:32.322]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:10:32.322]                               info)
[13:10:32.322]                           }
[13:10:32.322]                           else {
[13:10:32.322]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:10:32.322]                               info, version)
[13:10:32.322]                           }
[13:10:32.322]                           base::stop(msg)
[13:10:32.322]                         }
[13:10:32.322]                       })
[13:10:32.322]                     }
[13:10:32.322]                     base::local({
[13:10:32.322]                       for (pkg in "future") {
[13:10:32.322]                         base::loadNamespace(pkg)
[13:10:32.322]                         base::library(pkg, character.only = TRUE)
[13:10:32.322]                       }
[13:10:32.322]                     })
[13:10:32.322]                   }
[13:10:32.322]                   ...future.strategy.old <- future::plan("list")
[13:10:32.322]                   options(future.plan = NULL)
[13:10:32.322]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:10:32.322]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:10:32.322]                 }
[13:10:32.322]                 ...future.workdir <- getwd()
[13:10:32.322]             }
[13:10:32.322]             ...future.oldOptions <- base::as.list(base::.Options)
[13:10:32.322]             ...future.oldEnvVars <- base::Sys.getenv()
[13:10:32.322]         }
[13:10:32.322]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:10:32.322]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:10:32.322]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:10:32.322]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:10:32.322]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:10:32.322]             future.stdout.windows.reencode = NULL, width = 80L)
[13:10:32.322]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:10:32.322]             base::names(...future.oldOptions))
[13:10:32.322]     }
[13:10:32.322]     if (FALSE) {
[13:10:32.322]     }
[13:10:32.322]     else {
[13:10:32.322]         if (TRUE) {
[13:10:32.322]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:10:32.322]                 open = "w")
[13:10:32.322]         }
[13:10:32.322]         else {
[13:10:32.322]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:10:32.322]                 windows = "NUL", "/dev/null"), open = "w")
[13:10:32.322]         }
[13:10:32.322]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:10:32.322]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:10:32.322]             base::sink(type = "output", split = FALSE)
[13:10:32.322]             base::close(...future.stdout)
[13:10:32.322]         }, add = TRUE)
[13:10:32.322]     }
[13:10:32.322]     ...future.frame <- base::sys.nframe()
[13:10:32.322]     ...future.conditions <- base::list()
[13:10:32.322]     ...future.rng <- base::globalenv()$.Random.seed
[13:10:32.322]     if (FALSE) {
[13:10:32.322]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:10:32.322]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:10:32.322]     }
[13:10:32.322]     ...future.result <- base::tryCatch({
[13:10:32.322]         base::withCallingHandlers({
[13:10:32.322]             ...future.value <- base::withVisible(base::local({
[13:10:32.322]                 message(sprintf("Calculating tile #%d of %d ...", 
[13:10:32.322]                   ii, n), appendLF = FALSE)
[13:10:32.322]                 fit <- mandelbrot(C)
[13:10:32.322]                 delay(fit)
[13:10:32.322]                 message(" done")
[13:10:32.322]                 fit
[13:10:32.322]             }))
[13:10:32.322]             future::FutureResult(value = ...future.value$value, 
[13:10:32.322]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:10:32.322]                   ...future.rng), globalenv = if (FALSE) 
[13:10:32.322]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:10:32.322]                     ...future.globalenv.names))
[13:10:32.322]                 else NULL, started = ...future.startTime, version = "1.8")
[13:10:32.322]         }, condition = base::local({
[13:10:32.322]             c <- base::c
[13:10:32.322]             inherits <- base::inherits
[13:10:32.322]             invokeRestart <- base::invokeRestart
[13:10:32.322]             length <- base::length
[13:10:32.322]             list <- base::list
[13:10:32.322]             seq.int <- base::seq.int
[13:10:32.322]             signalCondition <- base::signalCondition
[13:10:32.322]             sys.calls <- base::sys.calls
[13:10:32.322]             `[[` <- base::`[[`
[13:10:32.322]             `+` <- base::`+`
[13:10:32.322]             `<<-` <- base::`<<-`
[13:10:32.322]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:10:32.322]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:10:32.322]                   3L)]
[13:10:32.322]             }
[13:10:32.322]             function(cond) {
[13:10:32.322]                 is_error <- inherits(cond, "error")
[13:10:32.322]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:10:32.322]                   NULL)
[13:10:32.322]                 if (is_error) {
[13:10:32.322]                   sessionInformation <- function() {
[13:10:32.322]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:10:32.322]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:10:32.322]                       search = base::search(), system = base::Sys.info())
[13:10:32.322]                   }
[13:10:32.322]                   ...future.conditions[[length(...future.conditions) + 
[13:10:32.322]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:10:32.322]                     cond$call), session = sessionInformation(), 
[13:10:32.322]                     timestamp = base::Sys.time(), signaled = 0L)
[13:10:32.322]                   signalCondition(cond)
[13:10:32.322]                 }
[13:10:32.322]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:10:32.322]                   signal <- FALSE && inherits(cond, character(0))
[13:10:32.322]                   ...future.conditions[[length(...future.conditions) + 
[13:10:32.322]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:10:32.322]                   if (FALSE && !signal) {
[13:10:32.322]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:10:32.322]                     {
[13:10:32.322]                       inherits <- base::inherits
[13:10:32.322]                       invokeRestart <- base::invokeRestart
[13:10:32.322]                       is.null <- base::is.null
[13:10:32.322]                       muffled <- FALSE
[13:10:32.322]                       if (inherits(cond, "message")) {
[13:10:32.322]                         muffled <- grepl(pattern, "muffleMessage")
[13:10:32.322]                         if (muffled) 
[13:10:32.322]                           invokeRestart("muffleMessage")
[13:10:32.322]                       }
[13:10:32.322]                       else if (inherits(cond, "warning")) {
[13:10:32.322]                         muffled <- grepl(pattern, "muffleWarning")
[13:10:32.322]                         if (muffled) 
[13:10:32.322]                           invokeRestart("muffleWarning")
[13:10:32.322]                       }
[13:10:32.322]                       else if (inherits(cond, "condition")) {
[13:10:32.322]                         if (!is.null(pattern)) {
[13:10:32.322]                           computeRestarts <- base::computeRestarts
[13:10:32.322]                           grepl <- base::grepl
[13:10:32.322]                           restarts <- computeRestarts(cond)
[13:10:32.322]                           for (restart in restarts) {
[13:10:32.322]                             name <- restart$name
[13:10:32.322]                             if (is.null(name)) 
[13:10:32.322]                               next
[13:10:32.322]                             if (!grepl(pattern, name)) 
[13:10:32.322]                               next
[13:10:32.322]                             invokeRestart(restart)
[13:10:32.322]                             muffled <- TRUE
[13:10:32.322]                             break
[13:10:32.322]                           }
[13:10:32.322]                         }
[13:10:32.322]                       }
[13:10:32.322]                       invisible(muffled)
[13:10:32.322]                     }
[13:10:32.322]                     muffleCondition(cond, pattern = "^muffle")
[13:10:32.322]                   }
[13:10:32.322]                 }
[13:10:32.322]                 else {
[13:10:32.322]                   if (TRUE) {
[13:10:32.322]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:10:32.322]                     {
[13:10:32.322]                       inherits <- base::inherits
[13:10:32.322]                       invokeRestart <- base::invokeRestart
[13:10:32.322]                       is.null <- base::is.null
[13:10:32.322]                       muffled <- FALSE
[13:10:32.322]                       if (inherits(cond, "message")) {
[13:10:32.322]                         muffled <- grepl(pattern, "muffleMessage")
[13:10:32.322]                         if (muffled) 
[13:10:32.322]                           invokeRestart("muffleMessage")
[13:10:32.322]                       }
[13:10:32.322]                       else if (inherits(cond, "warning")) {
[13:10:32.322]                         muffled <- grepl(pattern, "muffleWarning")
[13:10:32.322]                         if (muffled) 
[13:10:32.322]                           invokeRestart("muffleWarning")
[13:10:32.322]                       }
[13:10:32.322]                       else if (inherits(cond, "condition")) {
[13:10:32.322]                         if (!is.null(pattern)) {
[13:10:32.322]                           computeRestarts <- base::computeRestarts
[13:10:32.322]                           grepl <- base::grepl
[13:10:32.322]                           restarts <- computeRestarts(cond)
[13:10:32.322]                           for (restart in restarts) {
[13:10:32.322]                             name <- restart$name
[13:10:32.322]                             if (is.null(name)) 
[13:10:32.322]                               next
[13:10:32.322]                             if (!grepl(pattern, name)) 
[13:10:32.322]                               next
[13:10:32.322]                             invokeRestart(restart)
[13:10:32.322]                             muffled <- TRUE
[13:10:32.322]                             break
[13:10:32.322]                           }
[13:10:32.322]                         }
[13:10:32.322]                       }
[13:10:32.322]                       invisible(muffled)
[13:10:32.322]                     }
[13:10:32.322]                     muffleCondition(cond, pattern = "^muffle")
[13:10:32.322]                   }
[13:10:32.322]                 }
[13:10:32.322]             }
[13:10:32.322]         }))
[13:10:32.322]     }, error = function(ex) {
[13:10:32.322]         base::structure(base::list(value = NULL, visible = NULL, 
[13:10:32.322]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:10:32.322]                 ...future.rng), started = ...future.startTime, 
[13:10:32.322]             finished = Sys.time(), session_uuid = NA_character_, 
[13:10:32.322]             version = "1.8"), class = "FutureResult")
[13:10:32.322]     }, finally = {
[13:10:32.322]         if (!identical(...future.workdir, getwd())) 
[13:10:32.322]             setwd(...future.workdir)
[13:10:32.322]         {
[13:10:32.322]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:10:32.322]                 ...future.oldOptions$nwarnings <- NULL
[13:10:32.322]             }
[13:10:32.322]             base::options(...future.oldOptions)
[13:10:32.322]             if (.Platform$OS.type == "windows") {
[13:10:32.322]                 old_names <- names(...future.oldEnvVars)
[13:10:32.322]                 envs <- base::Sys.getenv()
[13:10:32.322]                 names <- names(envs)
[13:10:32.322]                 common <- intersect(names, old_names)
[13:10:32.322]                 added <- setdiff(names, old_names)
[13:10:32.322]                 removed <- setdiff(old_names, names)
[13:10:32.322]                 changed <- common[...future.oldEnvVars[common] != 
[13:10:32.322]                   envs[common]]
[13:10:32.322]                 NAMES <- toupper(changed)
[13:10:32.322]                 args <- list()
[13:10:32.322]                 for (kk in seq_along(NAMES)) {
[13:10:32.322]                   name <- changed[[kk]]
[13:10:32.322]                   NAME <- NAMES[[kk]]
[13:10:32.322]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.322]                     next
[13:10:32.322]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:10:32.322]                 }
[13:10:32.322]                 NAMES <- toupper(added)
[13:10:32.322]                 for (kk in seq_along(NAMES)) {
[13:10:32.322]                   name <- added[[kk]]
[13:10:32.322]                   NAME <- NAMES[[kk]]
[13:10:32.322]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.322]                     next
[13:10:32.322]                   args[[name]] <- ""
[13:10:32.322]                 }
[13:10:32.322]                 NAMES <- toupper(removed)
[13:10:32.322]                 for (kk in seq_along(NAMES)) {
[13:10:32.322]                   name <- removed[[kk]]
[13:10:32.322]                   NAME <- NAMES[[kk]]
[13:10:32.322]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.322]                     next
[13:10:32.322]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:10:32.322]                 }
[13:10:32.322]                 if (length(args) > 0) 
[13:10:32.322]                   base::do.call(base::Sys.setenv, args = args)
[13:10:32.322]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:10:32.322]             }
[13:10:32.322]             else {
[13:10:32.322]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:10:32.322]             }
[13:10:32.322]             {
[13:10:32.322]                 if (base::length(...future.futureOptionsAdded) > 
[13:10:32.322]                   0L) {
[13:10:32.322]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:10:32.322]                   base::names(opts) <- ...future.futureOptionsAdded
[13:10:32.322]                   base::options(opts)
[13:10:32.322]                 }
[13:10:32.322]                 {
[13:10:32.322]                   NULL
[13:10:32.322]                   options(future.plan = NULL)
[13:10:32.322]                   if (is.na(NA_character_)) 
[13:10:32.322]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:10:32.322]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:10:32.322]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:10:32.322]                     .init = FALSE)
[13:10:32.322]                 }
[13:10:32.322]             }
[13:10:32.322]         }
[13:10:32.322]     })
[13:10:32.322]     if (TRUE) {
[13:10:32.322]         base::sink(type = "output", split = FALSE)
[13:10:32.322]         if (TRUE) {
[13:10:32.322]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:10:32.322]         }
[13:10:32.322]         else {
[13:10:32.322]             ...future.result["stdout"] <- base::list(NULL)
[13:10:32.322]         }
[13:10:32.322]         base::close(...future.stdout)
[13:10:32.322]         ...future.stdout <- NULL
[13:10:32.322]     }
[13:10:32.322]     ...future.result$conditions <- ...future.conditions
[13:10:32.322]     ...future.result$finished <- base::Sys.time()
[13:10:32.322]     ...future.result
[13:10:32.322] }
[13:10:32.326] - Launch lazy future ... done
[13:10:32.327] run() for 'MiraiFuture' ... done
[13:10:32.327] - run() ... done
[13:10:32.327] - resolved() ...
[13:10:32.327] resolved() for 'MiraiFuture' ...
[13:10:32.327] - state: 'running'
[13:10:32.327] - run: TRUE
[13:10:32.328] - result: 'NULL'
[13:10:32.328] - resolved: FALSE
[13:10:32.328] resolved() for 'MiraiFuture' ... done
[13:10:32.328] - resolved: FALSE
[13:10:32.328] - resolved() ... done
[13:10:32.328] resolved() for 'MiraiFuture' ... done
[13:10:32.329] resolved() for 'Future' ...
[13:10:32.329] - state: 'created'
[13:10:32.329] - run: TRUE
[13:10:32.329] - run() ...
[13:10:32.329] run() for 'Future' ...
[13:10:32.330] - state: 'created'
[13:10:32.330] - Future backend: 'FutureStrategy', 'tweaked', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:10:32.330] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:10:32.331] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:10:32.331]   - Field: 'label'
[13:10:32.331]   - Field: 'local'
[13:10:32.331]   - Field: 'owner'
[13:10:32.331]   - Field: 'envir'
[13:10:32.331]   - Field: 'packages'
[13:10:32.332]   - Field: 'gc'
[13:10:32.332]   - Field: 'conditions'
[13:10:32.332]   - Field: 'expr'
[13:10:32.332]   - Field: 'uuid'
[13:10:32.332]   - Field: 'seed'
[13:10:32.333]   - Field: 'version'
[13:10:32.333]   - Field: 'result'
[13:10:32.333]   - Field: 'asynchronous'
[13:10:32.333]   - Field: 'calls'
[13:10:32.333]   - Field: 'globals'
[13:10:32.333]   - Field: 'stdout'
[13:10:32.334]   - Field: 'earlySignal'
[13:10:32.334]   - Field: 'lazy'
[13:10:32.334]   - Field: 'state'
[13:10:32.334]   - Field: '.cluster'
[13:10:32.334] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:10:32.334] - Launch lazy future ...
[13:10:32.335] Packages needed by the future expression (n = 1): 'future'
[13:10:32.335] Packages needed by future strategies (n = 0): <none>
[13:10:32.335] {
[13:10:32.335]     {
[13:10:32.335]         {
[13:10:32.335]             ...future.startTime <- base::Sys.time()
[13:10:32.335]             {
[13:10:32.335]                 {
[13:10:32.335]                   {
[13:10:32.335]                     {
[13:10:32.335]                       base::local({
[13:10:32.335]                         has_future <- base::requireNamespace("future", 
[13:10:32.335]                           quietly = TRUE)
[13:10:32.335]                         if (has_future) {
[13:10:32.335]                           ns <- base::getNamespace("future")
[13:10:32.335]                           version <- ns[[".package"]][["version"]]
[13:10:32.335]                           if (is.null(version)) 
[13:10:32.335]                             version <- utils::packageVersion("future")
[13:10:32.335]                         }
[13:10:32.335]                         else {
[13:10:32.335]                           version <- NULL
[13:10:32.335]                         }
[13:10:32.335]                         if (!has_future || version < "1.8.0") {
[13:10:32.335]                           info <- base::c(r_version = base::gsub("R version ", 
[13:10:32.335]                             "", base::R.version$version.string), 
[13:10:32.335]                             platform = base::sprintf("%s (%s-bit)", 
[13:10:32.335]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:10:32.335]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[13:10:32.335]                               "release", "version")], collapse = " "), 
[13:10:32.335]                             hostname = base::Sys.info()[["nodename"]])
[13:10:32.335]                           info <- base::sprintf("%s: %s", base::names(info), 
[13:10:32.335]                             info)
[13:10:32.335]                           info <- base::paste(info, collapse = "; ")
[13:10:32.335]                           if (!has_future) {
[13:10:32.335]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:10:32.335]                               info)
[13:10:32.335]                           }
[13:10:32.335]                           else {
[13:10:32.335]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:10:32.335]                               info, version)
[13:10:32.335]                           }
[13:10:32.335]                           base::stop(msg)
[13:10:32.335]                         }
[13:10:32.335]                       })
[13:10:32.335]                     }
[13:10:32.335]                     base::local({
[13:10:32.335]                       for (pkg in "future") {
[13:10:32.335]                         base::loadNamespace(pkg)
[13:10:32.335]                         base::library(pkg, character.only = TRUE)
[13:10:32.335]                       }
[13:10:32.335]                     })
[13:10:32.335]                   }
[13:10:32.335]                   ...future.strategy.old <- future::plan("list")
[13:10:32.335]                   options(future.plan = NULL)
[13:10:32.335]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:10:32.335]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:10:32.335]                 }
[13:10:32.335]                 ...future.workdir <- getwd()
[13:10:32.335]             }
[13:10:32.335]             ...future.oldOptions <- base::as.list(base::.Options)
[13:10:32.335]             ...future.oldEnvVars <- base::Sys.getenv()
[13:10:32.335]         }
[13:10:32.335]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:10:32.335]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:10:32.335]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:10:32.335]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:10:32.335]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:10:32.335]             future.stdout.windows.reencode = NULL, width = 80L)
[13:10:32.335]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:10:32.335]             base::names(...future.oldOptions))
[13:10:32.335]     }
[13:10:32.335]     if (FALSE) {
[13:10:32.335]     }
[13:10:32.335]     else {
[13:10:32.335]         if (TRUE) {
[13:10:32.335]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:10:32.335]                 open = "w")
[13:10:32.335]         }
[13:10:32.335]         else {
[13:10:32.335]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:10:32.335]                 windows = "NUL", "/dev/null"), open = "w")
[13:10:32.335]         }
[13:10:32.335]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:10:32.335]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:10:32.335]             base::sink(type = "output", split = FALSE)
[13:10:32.335]             base::close(...future.stdout)
[13:10:32.335]         }, add = TRUE)
[13:10:32.335]     }
[13:10:32.335]     ...future.frame <- base::sys.nframe()
[13:10:32.335]     ...future.conditions <- base::list()
[13:10:32.335]     ...future.rng <- base::globalenv()$.Random.seed
[13:10:32.335]     if (FALSE) {
[13:10:32.335]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:10:32.335]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:10:32.335]     }
[13:10:32.335]     ...future.result <- base::tryCatch({
[13:10:32.335]         base::withCallingHandlers({
[13:10:32.335]             ...future.value <- base::withVisible(base::local({
[13:10:32.335]                 message(sprintf("Calculating tile #%d of %d ...", 
[13:10:32.335]                   ii, n), appendLF = FALSE)
[13:10:32.335]                 fit <- mandelbrot(C)
[13:10:32.335]                 delay(fit)
[13:10:32.335]                 message(" done")
[13:10:32.335]                 fit
[13:10:32.335]             }))
[13:10:32.335]             future::FutureResult(value = ...future.value$value, 
[13:10:32.335]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:10:32.335]                   ...future.rng), globalenv = if (FALSE) 
[13:10:32.335]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:10:32.335]                     ...future.globalenv.names))
[13:10:32.335]                 else NULL, started = ...future.startTime, version = "1.8")
[13:10:32.335]         }, condition = base::local({
[13:10:32.335]             c <- base::c
[13:10:32.335]             inherits <- base::inherits
[13:10:32.335]             invokeRestart <- base::invokeRestart
[13:10:32.335]             length <- base::length
[13:10:32.335]             list <- base::list
[13:10:32.335]             seq.int <- base::seq.int
[13:10:32.335]             signalCondition <- base::signalCondition
[13:10:32.335]             sys.calls <- base::sys.calls
[13:10:32.335]             `[[` <- base::`[[`
[13:10:32.335]             `+` <- base::`+`
[13:10:32.335]             `<<-` <- base::`<<-`
[13:10:32.335]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:10:32.335]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:10:32.335]                   3L)]
[13:10:32.335]             }
[13:10:32.335]             function(cond) {
[13:10:32.335]                 is_error <- inherits(cond, "error")
[13:10:32.335]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:10:32.335]                   NULL)
[13:10:32.335]                 if (is_error) {
[13:10:32.335]                   sessionInformation <- function() {
[13:10:32.335]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:10:32.335]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:10:32.335]                       search = base::search(), system = base::Sys.info())
[13:10:32.335]                   }
[13:10:32.335]                   ...future.conditions[[length(...future.conditions) + 
[13:10:32.335]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:10:32.335]                     cond$call), session = sessionInformation(), 
[13:10:32.335]                     timestamp = base::Sys.time(), signaled = 0L)
[13:10:32.335]                   signalCondition(cond)
[13:10:32.335]                 }
[13:10:32.335]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:10:32.335]                   signal <- FALSE && inherits(cond, character(0))
[13:10:32.335]                   ...future.conditions[[length(...future.conditions) + 
[13:10:32.335]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:10:32.335]                   if (FALSE && !signal) {
[13:10:32.335]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:10:32.335]                     {
[13:10:32.335]                       inherits <- base::inherits
[13:10:32.335]                       invokeRestart <- base::invokeRestart
[13:10:32.335]                       is.null <- base::is.null
[13:10:32.335]                       muffled <- FALSE
[13:10:32.335]                       if (inherits(cond, "message")) {
[13:10:32.335]                         muffled <- grepl(pattern, "muffleMessage")
[13:10:32.335]                         if (muffled) 
[13:10:32.335]                           invokeRestart("muffleMessage")
[13:10:32.335]                       }
[13:10:32.335]                       else if (inherits(cond, "warning")) {
[13:10:32.335]                         muffled <- grepl(pattern, "muffleWarning")
[13:10:32.335]                         if (muffled) 
[13:10:32.335]                           invokeRestart("muffleWarning")
[13:10:32.335]                       }
[13:10:32.335]                       else if (inherits(cond, "condition")) {
[13:10:32.335]                         if (!is.null(pattern)) {
[13:10:32.335]                           computeRestarts <- base::computeRestarts
[13:10:32.335]                           grepl <- base::grepl
[13:10:32.335]                           restarts <- computeRestarts(cond)
[13:10:32.335]                           for (restart in restarts) {
[13:10:32.335]                             name <- restart$name
[13:10:32.335]                             if (is.null(name)) 
[13:10:32.335]                               next
[13:10:32.335]                             if (!grepl(pattern, name)) 
[13:10:32.335]                               next
[13:10:32.335]                             invokeRestart(restart)
[13:10:32.335]                             muffled <- TRUE
[13:10:32.335]                             break
[13:10:32.335]                           }
[13:10:32.335]                         }
[13:10:32.335]                       }
[13:10:32.335]                       invisible(muffled)
[13:10:32.335]                     }
[13:10:32.335]                     muffleCondition(cond, pattern = "^muffle")
[13:10:32.335]                   }
[13:10:32.335]                 }
[13:10:32.335]                 else {
[13:10:32.335]                   if (TRUE) {
[13:10:32.335]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:10:32.335]                     {
[13:10:32.335]                       inherits <- base::inherits
[13:10:32.335]                       invokeRestart <- base::invokeRestart
[13:10:32.335]                       is.null <- base::is.null
[13:10:32.335]                       muffled <- FALSE
[13:10:32.335]                       if (inherits(cond, "message")) {
[13:10:32.335]                         muffled <- grepl(pattern, "muffleMessage")
[13:10:32.335]                         if (muffled) 
[13:10:32.335]                           invokeRestart("muffleMessage")
[13:10:32.335]                       }
[13:10:32.335]                       else if (inherits(cond, "warning")) {
[13:10:32.335]                         muffled <- grepl(pattern, "muffleWarning")
[13:10:32.335]                         if (muffled) 
[13:10:32.335]                           invokeRestart("muffleWarning")
[13:10:32.335]                       }
[13:10:32.335]                       else if (inherits(cond, "condition")) {
[13:10:32.335]                         if (!is.null(pattern)) {
[13:10:32.335]                           computeRestarts <- base::computeRestarts
[13:10:32.335]                           grepl <- base::grepl
[13:10:32.335]                           restarts <- computeRestarts(cond)
[13:10:32.335]                           for (restart in restarts) {
[13:10:32.335]                             name <- restart$name
[13:10:32.335]                             if (is.null(name)) 
[13:10:32.335]                               next
[13:10:32.335]                             if (!grepl(pattern, name)) 
[13:10:32.335]                               next
[13:10:32.335]                             invokeRestart(restart)
[13:10:32.335]                             muffled <- TRUE
[13:10:32.335]                             break
[13:10:32.335]                           }
[13:10:32.335]                         }
[13:10:32.335]                       }
[13:10:32.335]                       invisible(muffled)
[13:10:32.335]                     }
[13:10:32.335]                     muffleCondition(cond, pattern = "^muffle")
[13:10:32.335]                   }
[13:10:32.335]                 }
[13:10:32.335]             }
[13:10:32.335]         }))
[13:10:32.335]     }, error = function(ex) {
[13:10:32.335]         base::structure(base::list(value = NULL, visible = NULL, 
[13:10:32.335]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:10:32.335]                 ...future.rng), started = ...future.startTime, 
[13:10:32.335]             finished = Sys.time(), session_uuid = NA_character_, 
[13:10:32.335]             version = "1.8"), class = "FutureResult")
[13:10:32.335]     }, finally = {
[13:10:32.335]         if (!identical(...future.workdir, getwd())) 
[13:10:32.335]             setwd(...future.workdir)
[13:10:32.335]         {
[13:10:32.335]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:10:32.335]                 ...future.oldOptions$nwarnings <- NULL
[13:10:32.335]             }
[13:10:32.335]             base::options(...future.oldOptions)
[13:10:32.335]             if (.Platform$OS.type == "windows") {
[13:10:32.335]                 old_names <- names(...future.oldEnvVars)
[13:10:32.335]                 envs <- base::Sys.getenv()
[13:10:32.335]                 names <- names(envs)
[13:10:32.335]                 common <- intersect(names, old_names)
[13:10:32.335]                 added <- setdiff(names, old_names)
[13:10:32.335]                 removed <- setdiff(old_names, names)
[13:10:32.335]                 changed <- common[...future.oldEnvVars[common] != 
[13:10:32.335]                   envs[common]]
[13:10:32.335]                 NAMES <- toupper(changed)
[13:10:32.335]                 args <- list()
[13:10:32.335]                 for (kk in seq_along(NAMES)) {
[13:10:32.335]                   name <- changed[[kk]]
[13:10:32.335]                   NAME <- NAMES[[kk]]
[13:10:32.335]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.335]                     next
[13:10:32.335]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:10:32.335]                 }
[13:10:32.335]                 NAMES <- toupper(added)
[13:10:32.335]                 for (kk in seq_along(NAMES)) {
[13:10:32.335]                   name <- added[[kk]]
[13:10:32.335]                   NAME <- NAMES[[kk]]
[13:10:32.335]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.335]                     next
[13:10:32.335]                   args[[name]] <- ""
[13:10:32.335]                 }
[13:10:32.335]                 NAMES <- toupper(removed)
[13:10:32.335]                 for (kk in seq_along(NAMES)) {
[13:10:32.335]                   name <- removed[[kk]]
[13:10:32.335]                   NAME <- NAMES[[kk]]
[13:10:32.335]                   if (name != NAME && is.element(NAME, old_names)) 
[13:10:32.335]                     next
[13:10:32.335]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:10:32.335]                 }
[13:10:32.335]                 if (length(args) > 0) 
[13:10:32.335]                   base::do.call(base::Sys.setenv, args = args)
[13:10:32.335]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:10:32.335]             }
[13:10:32.335]             else {
[13:10:32.335]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:10:32.335]             }
[13:10:32.335]             {
[13:10:32.335]                 if (base::length(...future.futureOptionsAdded) > 
[13:10:32.335]                   0L) {
[13:10:32.335]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:10:32.335]                   base::names(opts) <- ...future.futureOptionsAdded
[13:10:32.335]                   base::options(opts)
[13:10:32.335]                 }
[13:10:32.335]                 {
[13:10:32.335]                   NULL
[13:10:32.335]                   options(future.plan = NULL)
[13:10:32.335]                   if (is.na(NA_character_)) 
[13:10:32.335]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:10:32.335]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:10:32.335]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:10:32.335]                     .init = FALSE)
[13:10:32.335]                 }
[13:10:32.335]             }
[13:10:32.335]         }
[13:10:32.335]     })
[13:10:32.335]     if (TRUE) {
[13:10:32.335]         base::sink(type = "output", split = FALSE)
[13:10:32.335]         if (TRUE) {
[13:10:32.335]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:10:32.335]         }
[13:10:32.335]         else {
[13:10:32.335]             ...future.result["stdout"] <- base::list(NULL)
[13:10:32.335]         }
[13:10:32.335]         base::close(...future.stdout)
[13:10:32.335]         ...future.stdout <- NULL
[13:10:32.335]     }
[13:10:32.335]     ...future.result$conditions <- ...future.conditions
[13:10:32.335]     ...future.result$finished <- base::Sys.time()
[13:10:32.335]     ...future.result
[13:10:32.335] }
[13:10:32.339] - Launch lazy future ... done
[13:10:32.340] run() for 'MiraiFuture' ... done
[13:10:32.340] - run() ... done
[13:10:32.340] - resolved() ...
[13:10:32.340] resolved() for 'MiraiFuture' ...
[13:10:32.340] - state: 'running'
[13:10:32.341] - run: TRUE
[13:10:32.341] - result: 'NULL'
[13:10:32.341] - resolved: FALSE
[13:10:32.341] resolved() for 'MiraiFuture' ... done
[13:10:32.341] - resolved: FALSE
[13:10:32.342] - resolved() ... done
[13:10:32.342] resolved() for 'MiraiFuture' ... done
[13:10:32.342] resolved() for 'MiraiFuture' ...
[13:10:32.342] - state: 'running'
[13:10:32.342] - run: TRUE
[13:10:32.343] - result: 'NULL'
[13:10:32.343] - resolved: FALSE
[13:10:32.343] resolved() for 'MiraiFuture' ... done
Plotting tile #1 of 4 ...
[13:10:32.343] signalConditions() ...
[13:10:32.344]  - include = 'immediateCondition'
[13:10:32.344]  - exclude = 
[13:10:32.344]  - resignal = FALSE
[13:10:32.344]  - Number of conditions: 2
[13:10:32.344] signalConditions() ... done
[13:10:32.344] Future state: 'finished'
[13:10:32.345] signalConditions() ...
[13:10:32.345]  - include = 'condition'
[13:10:32.345]  - exclude = 'immediateCondition'
[13:10:32.345]  - resignal = TRUE
[13:10:32.345]  - Number of conditions: 2
[13:10:32.345]  - Condition #1: 'simpleMessage', 'message', 'condition'
Calculating tile #1 of 4 ...[13:10:32.346]  - Condition #2: 'simpleMessage', 'message', 'condition'
 done
[13:10:32.346] signalConditions() ... done
[13:10:32.348] resolved() for 'MiraiFuture' ...
[13:10:32.348] - state: 'running'
[13:10:32.348] - run: TRUE
[13:10:32.348] - result: 'NULL'
[13:10:32.348] - resolved: FALSE
[13:10:32.349] resolved() for 'MiraiFuture' ... done
Plotting tile #2 of 4 ...
[13:10:32.349] signalConditions() ...
[13:10:32.349]  - include = 'immediateCondition'
[13:10:32.349]  - exclude = 
[13:10:32.350]  - resignal = FALSE
[13:10:32.350]  - Number of conditions: 2
[13:10:32.350] signalConditions() ... done
[13:10:32.350] Future state: 'finished'
[13:10:32.350] signalConditions() ...
[13:10:32.351]  - include = 'condition'
[13:10:32.351]  - exclude = 'immediateCondition'
[13:10:32.351]  - resignal = TRUE
[13:10:32.351]  - Number of conditions: 2
[13:10:32.351]  - Condition #1: 'simpleMessage', 'message', 'condition'
Calculating tile #2 of 4 ...[13:10:32.351]  - Condition #2: 'simpleMessage', 'message', 'condition'
 done
[13:10:32.352] signalConditions() ... done
[13:10:32.352] resolved() for 'MiraiFuture' ...
[13:10:32.353] - state: 'running'
[13:10:32.353] - run: TRUE
[13:10:32.353] - result: 'NULL'
[13:10:32.353] - resolved: FALSE
[13:10:32.353] resolved() for 'MiraiFuture' ... done
[13:10:32.354] resolved() for 'MiraiFuture' ...
[13:10:32.354] - state: 'running'
[13:10:32.354] - run: TRUE
[13:10:32.354] - result: 'NULL'
[13:10:32.354] - resolved: FALSE
[13:10:32.354] resolved() for 'MiraiFuture' ... done
[13:10:32.355] resolved() for 'MiraiFuture' ...
[13:10:32.355] - state: 'running'
[13:10:32.357] - run: TRUE
[13:10:32.357] - result: 'NULL'
[13:10:32.357] - resolved: FALSE
[13:10:32.357] resolved() for 'MiraiFuture' ... done
[13:10:32.357] resolved() for 'MiraiFuture' ...
[13:10:32.358] - state: 'running'
[13:10:32.358] - run: TRUE
[13:10:32.358] - result: 'NULL'
[13:10:32.358] - resolved: FALSE
[13:10:32.358] resolved() for 'MiraiFuture' ... done
[13:10:32.358] resolved() for 'MiraiFuture' ...
[13:10:32.359] - state: 'running'
[13:10:32.359] - run: TRUE
[13:10:32.359] - result: 'NULL'
[13:10:32.359] - resolved: FALSE
[13:10:32.359] resolved() for 'MiraiFuture' ... done
[13:10:32.360] resolved() for 'MiraiFuture' ...
[13:10:32.360] - state: 'running'
[13:10:32.360] - run: TRUE
[13:10:32.360] - result: 'NULL'
[13:10:32.360] - resolved: FALSE
[13:10:32.360] resolved() for 'MiraiFuture' ... done
[13:10:32.361] resolved() for 'MiraiFuture' ...
[13:10:32.361] - state: 'running'
[13:10:32.361] - run: TRUE
[13:10:32.361] - result: 'NULL'
[13:10:32.361] - resolved: FALSE
[13:10:32.362] resolved() for 'MiraiFuture' ... done
[13:10:32.362] resolved() for 'MiraiFuture' ...
[13:10:32.362] - state: 'running'
[13:10:32.362] - run: TRUE
[13:10:32.362] - result: 'NULL'
[13:10:32.363] - resolved: FALSE
[13:10:32.363] resolved() for 'MiraiFuture' ... done
[13:10:32.363] resolved() for 'MiraiFuture' ...
[13:10:32.363] - state: 'running'
[13:10:32.363] - run: TRUE
[13:10:32.363] - result: 'NULL'
[13:10:32.364] - resolved: FALSE
[13:10:32.364] resolved() for 'MiraiFuture' ... done
[13:10:32.364] resolved() for 'MiraiFuture' ...
[13:10:32.364] - state: 'running'
[13:10:32.364] - run: TRUE
[13:10:32.365] - result: 'NULL'
[13:10:32.365] - resolved: FALSE
[13:10:32.365] resolved() for 'MiraiFuture' ... done
[13:10:32.365] resolved() for 'MiraiFuture' ...
[13:10:32.365] - state: 'running'
[13:10:32.365] - run: TRUE
[13:10:32.366] - result: 'NULL'
[13:10:32.366] - resolved: FALSE
[13:10:32.366] resolved() for 'MiraiFuture' ... done
[13:10:32.366] resolved() for 'MiraiFuture' ...
[13:10:32.366] - state: 'running'
[13:10:32.367] - run: TRUE
[13:10:32.367] - result: 'NULL'
[13:10:32.367] - resolved: FALSE
[13:10:32.367] resolved() for 'MiraiFuture' ... done
[13:10:32.367] resolved() for 'MiraiFuture' ...
[13:10:32.367] - state: 'running'
[13:10:32.368] - run: TRUE
[13:10:32.368] - result: 'NULL'
[13:10:32.368] - resolved: FALSE
[13:10:32.368] resolved() for 'MiraiFuture' ... done
[13:10:32.368] resolved() for 'MiraiFuture' ...
[13:10:32.369] - state: 'running'
[13:10:32.369] - run: TRUE
[13:10:32.369] - result: 'NULL'
[13:10:32.369] - resolved: FALSE
[13:10:32.369] resolved() for 'MiraiFuture' ... done
[13:10:32.369] resolved() for 'MiraiFuture' ...
[13:10:32.370] - state: 'running'
[13:10:32.370] - run: TRUE
[13:10:32.370] - result: 'NULL'
[13:10:32.370] - resolved: FALSE
[13:10:32.370] resolved() for 'MiraiFuture' ... done
Plotting tile #3 of 4 ...
[13:10:32.371] signalConditions() ...
[13:10:32.371]  - include = 'immediateCondition'
[13:10:32.371]  - exclude = 
[13:10:32.371]  - resignal = FALSE
[13:10:32.371]  - Number of conditions: 2
[13:10:32.372] signalConditions() ... done
[13:10:32.372] Future state: 'finished'
[13:10:32.372] signalConditions() ...
[13:10:32.372]  - include = 'condition'
[13:10:32.372]  - exclude = 'immediateCondition'
[13:10:32.373]  - resignal = TRUE
[13:10:32.373]  - Number of conditions: 2
[13:10:32.373]  - Condition #1: 'simpleMessage', 'message', 'condition'
Calculating tile #3 of 4 ...[13:10:32.373]  - Condition #2: 'simpleMessage', 'message', 'condition'
 done
[13:10:32.373] signalConditions() ... done
[13:10:32.374] resolved() for 'MiraiFuture' ...
[13:10:32.374] - state: 'running'
[13:10:32.374] - run: TRUE
[13:10:32.375] - result: 'NULL'
[13:10:32.375] - resolved: FALSE
[13:10:32.375] resolved() for 'MiraiFuture' ... done
[13:10:32.375] resolved() for 'MiraiFuture' ...
[13:10:32.375] - state: 'running'
[13:10:32.375] - run: TRUE
[13:10:32.376] - result: 'NULL'
[13:10:32.376] - resolved: FALSE
[13:10:32.376] resolved() for 'MiraiFuture' ... done
[13:10:32.376] resolved() for 'MiraiFuture' ...
[13:10:32.376] - state: 'running'
[13:10:32.377] - run: TRUE
[13:10:32.377] - result: 'NULL'
[13:10:32.377] - resolved: FALSE
[13:10:32.377] resolved() for 'MiraiFuture' ... done
[13:10:32.378] resolved() for 'MiraiFuture' ...
[13:10:32.378] - state: 'running'
[13:10:32.378] - run: TRUE
[13:10:32.378] - result: 'NULL'
[13:10:32.378] - resolved: FALSE
[13:10:32.378] resolved() for 'MiraiFuture' ... done
[13:10:32.379] resolved() for 'MiraiFuture' ...
[13:10:32.379] - state: 'running'
[13:10:32.379] - run: TRUE
[13:10:32.379] - result: 'NULL'
[13:10:32.379] - resolved: FALSE
[13:10:32.380] resolved() for 'MiraiFuture' ... done
[13:10:32.380] resolved() for 'MiraiFuture' ...
[13:10:32.380] - state: 'running'
[13:10:32.380] - run: TRUE
[13:10:32.380] - result: 'NULL'
[13:10:32.380] - resolved: FALSE
[13:10:32.381] resolved() for 'MiraiFuture' ... done
[13:10:32.381] resolved() for 'MiraiFuture' ...
[13:10:32.381] - state: 'running'
[13:10:32.381] - run: TRUE
[13:10:32.381] - result: 'NULL'
[13:10:32.382] - resolved: FALSE
[13:10:32.382] resolved() for 'MiraiFuture' ... done
[13:10:32.382] resolved() for 'MiraiFuture' ...
[13:10:32.382] - state: 'running'
[13:10:32.382] - run: TRUE
[13:10:32.383] - result: 'NULL'
[13:10:32.383] - resolved: FALSE
[13:10:32.383] resolved() for 'MiraiFuture' ... done
Plotting tile #4 of 4 ...
[13:10:32.383] signalConditions() ...
[13:10:32.384]  - include = 'immediateCondition'
[13:10:32.384]  - exclude = 
[13:10:32.384]  - resignal = FALSE
[13:10:32.384]  - Number of conditions: 2
[13:10:32.384] signalConditions() ... done
[13:10:32.384] Future state: 'finished'
[13:10:32.385] signalConditions() ...
[13:10:32.385]  - include = 'condition'
[13:10:32.385]  - exclude = 'immediateCondition'
[13:10:32.385]  - resignal = TRUE
[13:10:32.385]  - Number of conditions: 2
[13:10:32.385]  - Condition #1: 'simpleMessage', 'message', 'condition'
Calculating tile #4 of 4 ...[13:10:32.386]  - Condition #2: 'simpleMessage', 'message', 'condition'
 done
[13:10:32.386] signalConditions() ... done

> close.screen()
[1] 1 2 3 4

> message("SUGGESTION: Try to rerun this demo after changing strategy for how futures are resolved, e.g. plan(multisession).\n")
SUGGESTION: Try to rerun this demo after changing strategy for how futures are resolved, e.g. plan(multisession).

> 
> message("*** Demos ... DONE")
*** Demos ... DONE
> 
> source("incl/end.R")
> 
> proc.time()
   user  system elapsed 
   0.51    0.07    1.01