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
[13:30:32.497] plan(): Setting new future strategy stack:
[13:30:32.498] List of future strategies:
[13:30:32.498] 1. mirai_multisession:
[13:30:32.498]    - args: function (expr, substitute = TRUE, envir = parent.frame(), ..., workers = availableCores())
[13:30:32.498]    - tweaked: FALSE
[13:30:32.498]    - call: future::plan(future.mirai::mirai_multisession)
[13:30:32.510] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ...
[13:30:32.511] < mirai | $data >
[13:30:32.515] getGlobalsAndPackages() ...
[13:30:32.516] Not searching for globals
[13:30:32.516] - globals: [0] <none>
[13:30:32.516] getGlobalsAndPackages() ... DONE
[13:30:32.517] getGlobalsAndPackages() ...
[13:30:32.517] 
[13:30:32.517] - globals: [0] <none>
[13:30:32.517] getGlobalsAndPackages() ... DONE
[13:30:32.800] Packages needed by the future expression (n = 0): <none>
[13:30:32.801] Packages needed by future strategies (n = 0): <none>
[13:30:32.802] {
[13:30:32.802]     {
[13:30:32.802]         {
[13:30:32.802]             ...future.startTime <- base::Sys.time()
[13:30:32.802]             {
[13:30:32.802]                 {
[13:30:32.802]                   {
[13:30:32.802]                     base::local({
[13:30:32.802]                       has_future <- base::requireNamespace("future", 
[13:30:32.802]                         quietly = TRUE)
[13:30:32.802]                       if (has_future) {
[13:30:32.802]                         ns <- base::getNamespace("future")
[13:30:32.802]                         version <- ns[[".package"]][["version"]]
[13:30:32.802]                         if (is.null(version)) 
[13:30:32.802]                           version <- utils::packageVersion("future")
[13:30:32.802]                       }
[13:30:32.802]                       else {
[13:30:32.802]                         version <- NULL
[13:30:32.802]                       }
[13:30:32.802]                       if (!has_future || version < "1.8.0") {
[13:30:32.802]                         info <- base::c(r_version = base::gsub("R version ", 
[13:30:32.802]                           "", base::R.version$version.string), 
[13:30:32.802]                           platform = base::sprintf("%s (%s-bit)", 
[13:30:32.802]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:30:32.802]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:30:32.802]                             "release", "version")], collapse = " "), 
[13:30:32.802]                           hostname = base::Sys.info()[["nodename"]])
[13:30:32.802]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:30:32.802]                           info)
[13:30:32.802]                         info <- base::paste(info, collapse = "; ")
[13:30:32.802]                         if (!has_future) {
[13:30:32.802]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:30:32.802]                             info)
[13:30:32.802]                         }
[13:30:32.802]                         else {
[13:30:32.802]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:30:32.802]                             info, version)
[13:30:32.802]                         }
[13:30:32.802]                         base::stop(msg)
[13:30:32.802]                       }
[13:30:32.802]                     })
[13:30:32.802]                   }
[13:30:32.802]                   ...future.strategy.old <- future::plan("list")
[13:30:32.802]                   options(future.plan = NULL)
[13:30:32.802]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:30:32.802]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:30:32.802]                 }
[13:30:32.802]                 ...future.workdir <- getwd()
[13:30:32.802]             }
[13:30:32.802]             ...future.oldOptions <- base::as.list(base::.Options)
[13:30:32.802]             ...future.oldEnvVars <- base::Sys.getenv()
[13:30:32.802]         }
[13:30:32.802]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:30:32.802]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:30:32.802]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:30:32.802]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:30:32.802]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:30:32.802]             future.stdout.windows.reencode = NULL, width = 80L)
[13:30:32.802]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:30:32.802]             base::names(...future.oldOptions))
[13:30:32.802]     }
[13:30:32.802]     if (FALSE) {
[13:30:32.802]     }
[13:30:32.802]     else {
[13:30:32.802]         if (TRUE) {
[13:30:32.802]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:30:32.802]                 open = "w")
[13:30:32.802]         }
[13:30:32.802]         else {
[13:30:32.802]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:30:32.802]                 windows = "NUL", "/dev/null"), open = "w")
[13:30:32.802]         }
[13:30:32.802]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:30:32.802]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:30:32.802]             base::sink(type = "output", split = FALSE)
[13:30:32.802]             base::close(...future.stdout)
[13:30:32.802]         }, add = TRUE)
[13:30:32.802]     }
[13:30:32.802]     ...future.frame <- base::sys.nframe()
[13:30:32.802]     ...future.conditions <- base::list()
[13:30:32.802]     ...future.rng <- base::globalenv()$.Random.seed
[13:30:32.802]     if (FALSE) {
[13:30:32.802]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:30:32.802]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:30:32.802]     }
[13:30:32.802]     ...future.result <- base::tryCatch({
[13:30:32.802]         base::withCallingHandlers({
[13:30:32.802]             ...future.value <- base::withVisible(base::local(NA))
[13:30:32.802]             future::FutureResult(value = ...future.value$value, 
[13:30:32.802]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:30:32.802]                   ...future.rng), globalenv = if (FALSE) 
[13:30:32.802]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:30:32.802]                     ...future.globalenv.names))
[13:30:32.802]                 else NULL, started = ...future.startTime, version = "1.8")
[13:30:32.802]         }, condition = base::local({
[13:30:32.802]             c <- base::c
[13:30:32.802]             inherits <- base::inherits
[13:30:32.802]             invokeRestart <- base::invokeRestart
[13:30:32.802]             length <- base::length
[13:30:32.802]             list <- base::list
[13:30:32.802]             seq.int <- base::seq.int
[13:30:32.802]             signalCondition <- base::signalCondition
[13:30:32.802]             sys.calls <- base::sys.calls
[13:30:32.802]             `[[` <- base::`[[`
[13:30:32.802]             `+` <- base::`+`
[13:30:32.802]             `<<-` <- base::`<<-`
[13:30:32.802]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:30:32.802]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:30:32.802]                   3L)]
[13:30:32.802]             }
[13:30:32.802]             function(cond) {
[13:30:32.802]                 is_error <- inherits(cond, "error")
[13:30:32.802]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:30:32.802]                   NULL)
[13:30:32.802]                 if (is_error) {
[13:30:32.802]                   sessionInformation <- function() {
[13:30:32.802]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:30:32.802]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:30:32.802]                       search = base::search(), system = base::Sys.info())
[13:30:32.802]                   }
[13:30:32.802]                   ...future.conditions[[length(...future.conditions) + 
[13:30:32.802]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:30:32.802]                     cond$call), session = sessionInformation(), 
[13:30:32.802]                     timestamp = base::Sys.time(), signaled = 0L)
[13:30:32.802]                   signalCondition(cond)
[13:30:32.802]                 }
[13:30:32.802]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:30:32.802]                   signal <- FALSE && inherits(cond, character(0))
[13:30:32.802]                   ...future.conditions[[length(...future.conditions) + 
[13:30:32.802]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:30:32.802]                   if (FALSE && !signal) {
[13:30:32.802]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:30:32.802]                     {
[13:30:32.802]                       inherits <- base::inherits
[13:30:32.802]                       invokeRestart <- base::invokeRestart
[13:30:32.802]                       is.null <- base::is.null
[13:30:32.802]                       muffled <- FALSE
[13:30:32.802]                       if (inherits(cond, "message")) {
[13:30:32.802]                         muffled <- grepl(pattern, "muffleMessage")
[13:30:32.802]                         if (muffled) 
[13:30:32.802]                           invokeRestart("muffleMessage")
[13:30:32.802]                       }
[13:30:32.802]                       else if (inherits(cond, "warning")) {
[13:30:32.802]                         muffled <- grepl(pattern, "muffleWarning")
[13:30:32.802]                         if (muffled) 
[13:30:32.802]                           invokeRestart("muffleWarning")
[13:30:32.802]                       }
[13:30:32.802]                       else if (inherits(cond, "condition")) {
[13:30:32.802]                         if (!is.null(pattern)) {
[13:30:32.802]                           computeRestarts <- base::computeRestarts
[13:30:32.802]                           grepl <- base::grepl
[13:30:32.802]                           restarts <- computeRestarts(cond)
[13:30:32.802]                           for (restart in restarts) {
[13:30:32.802]                             name <- restart$name
[13:30:32.802]                             if (is.null(name)) 
[13:30:32.802]                               next
[13:30:32.802]                             if (!grepl(pattern, name)) 
[13:30:32.802]                               next
[13:30:32.802]                             invokeRestart(restart)
[13:30:32.802]                             muffled <- TRUE
[13:30:32.802]                             break
[13:30:32.802]                           }
[13:30:32.802]                         }
[13:30:32.802]                       }
[13:30:32.802]                       invisible(muffled)
[13:30:32.802]                     }
[13:30:32.802]                     muffleCondition(cond, pattern = "^muffle")
[13:30:32.802]                   }
[13:30:32.802]                 }
[13:30:32.802]                 else {
[13:30:32.802]                   if (TRUE) {
[13:30:32.802]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:30:32.802]                     {
[13:30:32.802]                       inherits <- base::inherits
[13:30:32.802]                       invokeRestart <- base::invokeRestart
[13:30:32.802]                       is.null <- base::is.null
[13:30:32.802]                       muffled <- FALSE
[13:30:32.802]                       if (inherits(cond, "message")) {
[13:30:32.802]                         muffled <- grepl(pattern, "muffleMessage")
[13:30:32.802]                         if (muffled) 
[13:30:32.802]                           invokeRestart("muffleMessage")
[13:30:32.802]                       }
[13:30:32.802]                       else if (inherits(cond, "warning")) {
[13:30:32.802]                         muffled <- grepl(pattern, "muffleWarning")
[13:30:32.802]                         if (muffled) 
[13:30:32.802]                           invokeRestart("muffleWarning")
[13:30:32.802]                       }
[13:30:32.802]                       else if (inherits(cond, "condition")) {
[13:30:32.802]                         if (!is.null(pattern)) {
[13:30:32.802]                           computeRestarts <- base::computeRestarts
[13:30:32.802]                           grepl <- base::grepl
[13:30:32.802]                           restarts <- computeRestarts(cond)
[13:30:32.802]                           for (restart in restarts) {
[13:30:32.802]                             name <- restart$name
[13:30:32.802]                             if (is.null(name)) 
[13:30:32.802]                               next
[13:30:32.802]                             if (!grepl(pattern, name)) 
[13:30:32.802]                               next
[13:30:32.802]                             invokeRestart(restart)
[13:30:32.802]                             muffled <- TRUE
[13:30:32.802]                             break
[13:30:32.802]                           }
[13:30:32.802]                         }
[13:30:32.802]                       }
[13:30:32.802]                       invisible(muffled)
[13:30:32.802]                     }
[13:30:32.802]                     muffleCondition(cond, pattern = "^muffle")
[13:30:32.802]                   }
[13:30:32.802]                 }
[13:30:32.802]             }
[13:30:32.802]         }))
[13:30:32.802]     }, error = function(ex) {
[13:30:32.802]         base::structure(base::list(value = NULL, visible = NULL, 
[13:30:32.802]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:30:32.802]                 ...future.rng), started = ...future.startTime, 
[13:30:32.802]             finished = Sys.time(), session_uuid = NA_character_, 
[13:30:32.802]             version = "1.8"), class = "FutureResult")
[13:30:32.802]     }, finally = {
[13:30:32.802]         if (!identical(...future.workdir, getwd())) 
[13:30:32.802]             setwd(...future.workdir)
[13:30:32.802]         {
[13:30:32.802]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:30:32.802]                 ...future.oldOptions$nwarnings <- NULL
[13:30:32.802]             }
[13:30:32.802]             base::options(...future.oldOptions)
[13:30:32.802]             if (.Platform$OS.type == "windows") {
[13:30:32.802]                 old_names <- names(...future.oldEnvVars)
[13:30:32.802]                 envs <- base::Sys.getenv()
[13:30:32.802]                 names <- names(envs)
[13:30:32.802]                 common <- intersect(names, old_names)
[13:30:32.802]                 added <- setdiff(names, old_names)
[13:30:32.802]                 removed <- setdiff(old_names, names)
[13:30:32.802]                 changed <- common[...future.oldEnvVars[common] != 
[13:30:32.802]                   envs[common]]
[13:30:32.802]                 NAMES <- toupper(changed)
[13:30:32.802]                 args <- list()
[13:30:32.802]                 for (kk in seq_along(NAMES)) {
[13:30:32.802]                   name <- changed[[kk]]
[13:30:32.802]                   NAME <- NAMES[[kk]]
[13:30:32.802]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:32.802]                     next
[13:30:32.802]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:30:32.802]                 }
[13:30:32.802]                 NAMES <- toupper(added)
[13:30:32.802]                 for (kk in seq_along(NAMES)) {
[13:30:32.802]                   name <- added[[kk]]
[13:30:32.802]                   NAME <- NAMES[[kk]]
[13:30:32.802]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:32.802]                     next
[13:30:32.802]                   args[[name]] <- ""
[13:30:32.802]                 }
[13:30:32.802]                 NAMES <- toupper(removed)
[13:30:32.802]                 for (kk in seq_along(NAMES)) {
[13:30:32.802]                   name <- removed[[kk]]
[13:30:32.802]                   NAME <- NAMES[[kk]]
[13:30:32.802]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:32.802]                     next
[13:30:32.802]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:30:32.802]                 }
[13:30:32.802]                 if (length(args) > 0) 
[13:30:32.802]                   base::do.call(base::Sys.setenv, args = args)
[13:30:32.802]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:30:32.802]             }
[13:30:32.802]             else {
[13:30:32.802]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:30:32.802]             }
[13:30:32.802]             {
[13:30:32.802]                 if (base::length(...future.futureOptionsAdded) > 
[13:30:32.802]                   0L) {
[13:30:32.802]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:30:32.802]                   base::names(opts) <- ...future.futureOptionsAdded
[13:30:32.802]                   base::options(opts)
[13:30:32.802]                 }
[13:30:32.802]                 {
[13:30:32.802]                   NULL
[13:30:32.802]                   options(future.plan = NULL)
[13:30:32.802]                   if (is.na(NA_character_)) 
[13:30:32.802]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:30:32.802]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:30:32.802]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:30:32.802]                     .init = FALSE)
[13:30:32.802]                 }
[13:30:32.802]             }
[13:30:32.802]         }
[13:30:32.802]     })
[13:30:32.802]     if (TRUE) {
[13:30:32.802]         base::sink(type = "output", split = FALSE)
[13:30:32.802]         if (TRUE) {
[13:30:32.802]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:30:32.802]         }
[13:30:32.802]         else {
[13:30:32.802]             ...future.result["stdout"] <- base::list(NULL)
[13:30:32.802]         }
[13:30:32.802]         base::close(...future.stdout)
[13:30:32.802]         ...future.stdout <- NULL
[13:30:32.802]     }
[13:30:32.802]     ...future.result$conditions <- ...future.conditions
[13:30:32.802]     ...future.result$finished <- base::Sys.time()
[13:30:32.802]     ...future.result
[13:30:32.802] }
[13:30:32.910] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ... DONE
[13:30:32.910] 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)
[13:30:32.912] plan(): Setting new future strategy stack:
[13:30:32.912] List of future strategies:
[13:30:32.912] 1. mirai_multisession:
[13:30:32.912]    - args: function (..., workers = 2, envir = parent.frame())
[13:30:32.912]    - tweaked: TRUE
[13:30:32.912]    - call: plan(mirai_multisession, workers = 2)
[13:30:32.925] plan(): plan_init() of 'tweaked', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ...
[13:30:32.925] < mirai | $data >
[13:30:32.926] getGlobalsAndPackages() ...
[13:30:32.926] Not searching for globals
[13:30:32.926] - globals: [0] <none>
[13:30:32.926] getGlobalsAndPackages() ... DONE
[13:30:32.926] getGlobalsAndPackages() ...
[13:30:32.926] 
[13:30:32.927] - globals: [0] <none>
[13:30:32.927] getGlobalsAndPackages() ... DONE
[13:30:32.927] Packages needed by the future expression (n = 0): <none>
[13:30:32.927] Packages needed by future strategies (n = 0): <none>
[13:30:32.928] {
[13:30:32.928]     {
[13:30:32.928]         {
[13:30:32.928]             ...future.startTime <- base::Sys.time()
[13:30:32.928]             {
[13:30:32.928]                 {
[13:30:32.928]                   {
[13:30:32.928]                     base::local({
[13:30:32.928]                       has_future <- base::requireNamespace("future", 
[13:30:32.928]                         quietly = TRUE)
[13:30:32.928]                       if (has_future) {
[13:30:32.928]                         ns <- base::getNamespace("future")
[13:30:32.928]                         version <- ns[[".package"]][["version"]]
[13:30:32.928]                         if (is.null(version)) 
[13:30:32.928]                           version <- utils::packageVersion("future")
[13:30:32.928]                       }
[13:30:32.928]                       else {
[13:30:32.928]                         version <- NULL
[13:30:32.928]                       }
[13:30:32.928]                       if (!has_future || version < "1.8.0") {
[13:30:32.928]                         info <- base::c(r_version = base::gsub("R version ", 
[13:30:32.928]                           "", base::R.version$version.string), 
[13:30:32.928]                           platform = base::sprintf("%s (%s-bit)", 
[13:30:32.928]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:30:32.928]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:30:32.928]                             "release", "version")], collapse = " "), 
[13:30:32.928]                           hostname = base::Sys.info()[["nodename"]])
[13:30:32.928]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:30:32.928]                           info)
[13:30:32.928]                         info <- base::paste(info, collapse = "; ")
[13:30:32.928]                         if (!has_future) {
[13:30:32.928]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:30:32.928]                             info)
[13:30:32.928]                         }
[13:30:32.928]                         else {
[13:30:32.928]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:30:32.928]                             info, version)
[13:30:32.928]                         }
[13:30:32.928]                         base::stop(msg)
[13:30:32.928]                       }
[13:30:32.928]                     })
[13:30:32.928]                   }
[13:30:32.928]                   ...future.strategy.old <- future::plan("list")
[13:30:32.928]                   options(future.plan = NULL)
[13:30:32.928]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:30:32.928]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:30:32.928]                 }
[13:30:32.928]                 ...future.workdir <- getwd()
[13:30:32.928]             }
[13:30:32.928]             ...future.oldOptions <- base::as.list(base::.Options)
[13:30:32.928]             ...future.oldEnvVars <- base::Sys.getenv()
[13:30:32.928]         }
[13:30:32.928]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:30:32.928]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:30:32.928]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:30:32.928]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:30:32.928]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:30:32.928]             future.stdout.windows.reencode = NULL, width = 80L)
[13:30:32.928]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:30:32.928]             base::names(...future.oldOptions))
[13:30:32.928]     }
[13:30:32.928]     if (FALSE) {
[13:30:32.928]     }
[13:30:32.928]     else {
[13:30:32.928]         if (TRUE) {
[13:30:32.928]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:30:32.928]                 open = "w")
[13:30:32.928]         }
[13:30:32.928]         else {
[13:30:32.928]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:30:32.928]                 windows = "NUL", "/dev/null"), open = "w")
[13:30:32.928]         }
[13:30:32.928]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:30:32.928]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:30:32.928]             base::sink(type = "output", split = FALSE)
[13:30:32.928]             base::close(...future.stdout)
[13:30:32.928]         }, add = TRUE)
[13:30:32.928]     }
[13:30:32.928]     ...future.frame <- base::sys.nframe()
[13:30:32.928]     ...future.conditions <- base::list()
[13:30:32.928]     ...future.rng <- base::globalenv()$.Random.seed
[13:30:32.928]     if (FALSE) {
[13:30:32.928]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:30:32.928]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:30:32.928]     }
[13:30:32.928]     ...future.result <- base::tryCatch({
[13:30:32.928]         base::withCallingHandlers({
[13:30:32.928]             ...future.value <- base::withVisible(base::local(NA))
[13:30:32.928]             future::FutureResult(value = ...future.value$value, 
[13:30:32.928]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:30:32.928]                   ...future.rng), globalenv = if (FALSE) 
[13:30:32.928]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:30:32.928]                     ...future.globalenv.names))
[13:30:32.928]                 else NULL, started = ...future.startTime, version = "1.8")
[13:30:32.928]         }, condition = base::local({
[13:30:32.928]             c <- base::c
[13:30:32.928]             inherits <- base::inherits
[13:30:32.928]             invokeRestart <- base::invokeRestart
[13:30:32.928]             length <- base::length
[13:30:32.928]             list <- base::list
[13:30:32.928]             seq.int <- base::seq.int
[13:30:32.928]             signalCondition <- base::signalCondition
[13:30:32.928]             sys.calls <- base::sys.calls
[13:30:32.928]             `[[` <- base::`[[`
[13:30:32.928]             `+` <- base::`+`
[13:30:32.928]             `<<-` <- base::`<<-`
[13:30:32.928]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:30:32.928]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:30:32.928]                   3L)]
[13:30:32.928]             }
[13:30:32.928]             function(cond) {
[13:30:32.928]                 is_error <- inherits(cond, "error")
[13:30:32.928]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:30:32.928]                   NULL)
[13:30:32.928]                 if (is_error) {
[13:30:32.928]                   sessionInformation <- function() {
[13:30:32.928]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:30:32.928]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:30:32.928]                       search = base::search(), system = base::Sys.info())
[13:30:32.928]                   }
[13:30:32.928]                   ...future.conditions[[length(...future.conditions) + 
[13:30:32.928]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:30:32.928]                     cond$call), session = sessionInformation(), 
[13:30:32.928]                     timestamp = base::Sys.time(), signaled = 0L)
[13:30:32.928]                   signalCondition(cond)
[13:30:32.928]                 }
[13:30:32.928]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:30:32.928]                   signal <- FALSE && inherits(cond, character(0))
[13:30:32.928]                   ...future.conditions[[length(...future.conditions) + 
[13:30:32.928]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:30:32.928]                   if (FALSE && !signal) {
[13:30:32.928]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:30:32.928]                     {
[13:30:32.928]                       inherits <- base::inherits
[13:30:32.928]                       invokeRestart <- base::invokeRestart
[13:30:32.928]                       is.null <- base::is.null
[13:30:32.928]                       muffled <- FALSE
[13:30:32.928]                       if (inherits(cond, "message")) {
[13:30:32.928]                         muffled <- grepl(pattern, "muffleMessage")
[13:30:32.928]                         if (muffled) 
[13:30:32.928]                           invokeRestart("muffleMessage")
[13:30:32.928]                       }
[13:30:32.928]                       else if (inherits(cond, "warning")) {
[13:30:32.928]                         muffled <- grepl(pattern, "muffleWarning")
[13:30:32.928]                         if (muffled) 
[13:30:32.928]                           invokeRestart("muffleWarning")
[13:30:32.928]                       }
[13:30:32.928]                       else if (inherits(cond, "condition")) {
[13:30:32.928]                         if (!is.null(pattern)) {
[13:30:32.928]                           computeRestarts <- base::computeRestarts
[13:30:32.928]                           grepl <- base::grepl
[13:30:32.928]                           restarts <- computeRestarts(cond)
[13:30:32.928]                           for (restart in restarts) {
[13:30:32.928]                             name <- restart$name
[13:30:32.928]                             if (is.null(name)) 
[13:30:32.928]                               next
[13:30:32.928]                             if (!grepl(pattern, name)) 
[13:30:32.928]                               next
[13:30:32.928]                             invokeRestart(restart)
[13:30:32.928]                             muffled <- TRUE
[13:30:32.928]                             break
[13:30:32.928]                           }
[13:30:32.928]                         }
[13:30:32.928]                       }
[13:30:32.928]                       invisible(muffled)
[13:30:32.928]                     }
[13:30:32.928]                     muffleCondition(cond, pattern = "^muffle")
[13:30:32.928]                   }
[13:30:32.928]                 }
[13:30:32.928]                 else {
[13:30:32.928]                   if (TRUE) {
[13:30:32.928]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:30:32.928]                     {
[13:30:32.928]                       inherits <- base::inherits
[13:30:32.928]                       invokeRestart <- base::invokeRestart
[13:30:32.928]                       is.null <- base::is.null
[13:30:32.928]                       muffled <- FALSE
[13:30:32.928]                       if (inherits(cond, "message")) {
[13:30:32.928]                         muffled <- grepl(pattern, "muffleMessage")
[13:30:32.928]                         if (muffled) 
[13:30:32.928]                           invokeRestart("muffleMessage")
[13:30:32.928]                       }
[13:30:32.928]                       else if (inherits(cond, "warning")) {
[13:30:32.928]                         muffled <- grepl(pattern, "muffleWarning")
[13:30:32.928]                         if (muffled) 
[13:30:32.928]                           invokeRestart("muffleWarning")
[13:30:32.928]                       }
[13:30:32.928]                       else if (inherits(cond, "condition")) {
[13:30:32.928]                         if (!is.null(pattern)) {
[13:30:32.928]                           computeRestarts <- base::computeRestarts
[13:30:32.928]                           grepl <- base::grepl
[13:30:32.928]                           restarts <- computeRestarts(cond)
[13:30:32.928]                           for (restart in restarts) {
[13:30:32.928]                             name <- restart$name
[13:30:32.928]                             if (is.null(name)) 
[13:30:32.928]                               next
[13:30:32.928]                             if (!grepl(pattern, name)) 
[13:30:32.928]                               next
[13:30:32.928]                             invokeRestart(restart)
[13:30:32.928]                             muffled <- TRUE
[13:30:32.928]                             break
[13:30:32.928]                           }
[13:30:32.928]                         }
[13:30:32.928]                       }
[13:30:32.928]                       invisible(muffled)
[13:30:32.928]                     }
[13:30:32.928]                     muffleCondition(cond, pattern = "^muffle")
[13:30:32.928]                   }
[13:30:32.928]                 }
[13:30:32.928]             }
[13:30:32.928]         }))
[13:30:32.928]     }, error = function(ex) {
[13:30:32.928]         base::structure(base::list(value = NULL, visible = NULL, 
[13:30:32.928]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:30:32.928]                 ...future.rng), started = ...future.startTime, 
[13:30:32.928]             finished = Sys.time(), session_uuid = NA_character_, 
[13:30:32.928]             version = "1.8"), class = "FutureResult")
[13:30:32.928]     }, finally = {
[13:30:32.928]         if (!identical(...future.workdir, getwd())) 
[13:30:32.928]             setwd(...future.workdir)
[13:30:32.928]         {
[13:30:32.928]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:30:32.928]                 ...future.oldOptions$nwarnings <- NULL
[13:30:32.928]             }
[13:30:32.928]             base::options(...future.oldOptions)
[13:30:32.928]             if (.Platform$OS.type == "windows") {
[13:30:32.928]                 old_names <- names(...future.oldEnvVars)
[13:30:32.928]                 envs <- base::Sys.getenv()
[13:30:32.928]                 names <- names(envs)
[13:30:32.928]                 common <- intersect(names, old_names)
[13:30:32.928]                 added <- setdiff(names, old_names)
[13:30:32.928]                 removed <- setdiff(old_names, names)
[13:30:32.928]                 changed <- common[...future.oldEnvVars[common] != 
[13:30:32.928]                   envs[common]]
[13:30:32.928]                 NAMES <- toupper(changed)
[13:30:32.928]                 args <- list()
[13:30:32.928]                 for (kk in seq_along(NAMES)) {
[13:30:32.928]                   name <- changed[[kk]]
[13:30:32.928]                   NAME <- NAMES[[kk]]
[13:30:32.928]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:32.928]                     next
[13:30:32.928]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:30:32.928]                 }
[13:30:32.928]                 NAMES <- toupper(added)
[13:30:32.928]                 for (kk in seq_along(NAMES)) {
[13:30:32.928]                   name <- added[[kk]]
[13:30:32.928]                   NAME <- NAMES[[kk]]
[13:30:32.928]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:32.928]                     next
[13:30:32.928]                   args[[name]] <- ""
[13:30:32.928]                 }
[13:30:32.928]                 NAMES <- toupper(removed)
[13:30:32.928]                 for (kk in seq_along(NAMES)) {
[13:30:32.928]                   name <- removed[[kk]]
[13:30:32.928]                   NAME <- NAMES[[kk]]
[13:30:32.928]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:32.928]                     next
[13:30:32.928]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:30:32.928]                 }
[13:30:32.928]                 if (length(args) > 0) 
[13:30:32.928]                   base::do.call(base::Sys.setenv, args = args)
[13:30:32.928]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:30:32.928]             }
[13:30:32.928]             else {
[13:30:32.928]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:30:32.928]             }
[13:30:32.928]             {
[13:30:32.928]                 if (base::length(...future.futureOptionsAdded) > 
[13:30:32.928]                   0L) {
[13:30:32.928]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:30:32.928]                   base::names(opts) <- ...future.futureOptionsAdded
[13:30:32.928]                   base::options(opts)
[13:30:32.928]                 }
[13:30:32.928]                 {
[13:30:32.928]                   NULL
[13:30:32.928]                   options(future.plan = NULL)
[13:30:32.928]                   if (is.na(NA_character_)) 
[13:30:32.928]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:30:32.928]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:30:32.928]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:30:32.928]                     .init = FALSE)
[13:30:32.928]                 }
[13:30:32.928]             }
[13:30:32.928]         }
[13:30:32.928]     })
[13:30:32.928]     if (TRUE) {
[13:30:32.928]         base::sink(type = "output", split = FALSE)
[13:30:32.928]         if (TRUE) {
[13:30:32.928]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:30:32.928]         }
[13:30:32.928]         else {
[13:30:32.928]             ...future.result["stdout"] <- base::list(NULL)
[13:30:32.928]         }
[13:30:32.928]         base::close(...future.stdout)
[13:30:32.928]         ...future.stdout <- NULL
[13:30:32.928]     }
[13:30:32.928]     ...future.result$conditions <- ...future.conditions
[13:30:32.928]     ...future.result$finished <- base::Sys.time()
[13:30:32.928]     ...future.result
[13:30:32.928] }
[13:30:33.030] plan(): plan_init() of 'tweaked', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ... DONE
[13:30:33.030] 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[13:30:33.085] getGlobalsAndPackages() ...
[13:30:33.085] Searching for globals...
[13:30:33.096] - globals found: [9] '{', 'message', 'sprintf', 'ii', 'n', '<-', 'mandelbrot', 'C', 'delay'
[13:30:33.096] Searching for globals ... DONE
[13:30:33.096] Resolving globals: FALSE
[13:30:33.098] The total size of the 4 globals is 14.24 KiB (14584 bytes)
[13:30:33.098] 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')
[13:30:33.099] - globals: [4] 'ii', 'n', 'C', 'delay'
[13:30:33.099] - packages: [1] 'future'
[13:30:33.099] getGlobalsAndPackages() ... DONE
 2[13:30:33.104] getGlobalsAndPackages() ...
[13:30:33.104] Searching for globals...
[13:30:33.110] - globals found: [9] '{', 'message', 'sprintf', 'ii', 'n', '<-', 'mandelbrot', 'C', 'delay'
[13:30:33.110] Searching for globals ... DONE
[13:30:33.110] Resolving globals: FALSE
[13:30:33.111] The total size of the 4 globals is 14.24 KiB (14584 bytes)
[13:30:33.111] 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')
[13:30:33.112] - globals: [4] 'ii', 'n', 'C', 'delay'
[13:30:33.112] - packages: [1] 'future'
[13:30:33.112] getGlobalsAndPackages() ... DONE
 3[13:30:33.112] getGlobalsAndPackages() ...
[13:30:33.113] Searching for globals...
[13:30:33.117] - globals found: [9] '{', 'message', 'sprintf', 'ii', 'n', '<-', 'mandelbrot', 'C', 'delay'
[13:30:33.117] Searching for globals ... DONE
[13:30:33.117] Resolving globals: FALSE
[13:30:33.118] The total size of the 4 globals is 14.24 KiB (14584 bytes)
[13:30:33.118] 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')
[13:30:33.119] - globals: [4] 'ii', 'n', 'C', 'delay'
[13:30:33.119] - packages: [1] 'future'
[13:30:33.119] getGlobalsAndPackages() ... DONE
 4[13:30:33.119] getGlobalsAndPackages() ...
[13:30:33.120] Searching for globals...
[13:30:33.124] - globals found: [9] '{', 'message', 'sprintf', 'ii', 'n', '<-', 'mandelbrot', 'C', 'delay'
[13:30:33.124] Searching for globals ... DONE
[13:30:33.124] Resolving globals: FALSE
[13:30:33.125] The total size of the 4 globals is 14.24 KiB (14584 bytes)
[13:30:33.125] 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')
[13:30:33.126] - globals: [4] 'ii', 'n', 'C', 'delay'
[13:30:33.126] - packages: [1] 'future'
[13:30:33.126] getGlobalsAndPackages() ... DONE

> message(".")
.

> ## Calculate and plot tiles
> repeat {
+   counts <- plot_what_is_done(counts)
+   if (!any(sapply(counts, FUN = inherits, "Future"))) break
+ }
[13:30:33.138] resolved() for 'Future' ...
[13:30:33.138] - state: 'created'
[13:30:33.138] - run: TRUE
[13:30:33.138] - run() ...
[13:30:33.139] run() for 'Future' ...
[13:30:33.139] - state: 'created'
[13:30:33.139] - Future backend: 'FutureStrategy', 'tweaked', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:30:33.139] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:30:33.140] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:30:33.140]   - Field: 'label'
[13:30:33.140]   - Field: 'local'
[13:30:33.140]   - Field: 'owner'
[13:30:33.140]   - Field: 'envir'
[13:30:33.141]   - Field: 'packages'
[13:30:33.141]   - Field: 'gc'
[13:30:33.141]   - Field: 'conditions'
[13:30:33.141]   - Field: 'expr'
[13:30:33.141]   - Field: 'uuid'
[13:30:33.141]   - Field: 'seed'
[13:30:33.142]   - Field: 'version'
[13:30:33.142]   - Field: 'result'
[13:30:33.142]   - Field: 'asynchronous'
[13:30:33.142]   - Field: 'calls'
[13:30:33.142]   - Field: 'globals'
[13:30:33.142]   - Field: 'stdout'
[13:30:33.143]   - Field: 'earlySignal'
[13:30:33.143]   - Field: 'lazy'
[13:30:33.143]   - Field: 'state'
[13:30:33.143]   - Field: '.cluster'
[13:30:33.143] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:30:33.143] - Launch lazy future ...
[13:30:33.144] Packages needed by the future expression (n = 1): 'future'
[13:30:33.144] Packages needed by future strategies (n = 0): <none>
[13:30:33.145] {
[13:30:33.145]     {
[13:30:33.145]         {
[13:30:33.145]             ...future.startTime <- base::Sys.time()
[13:30:33.145]             {
[13:30:33.145]                 {
[13:30:33.145]                   {
[13:30:33.145]                     {
[13:30:33.145]                       base::local({
[13:30:33.145]                         has_future <- base::requireNamespace("future", 
[13:30:33.145]                           quietly = TRUE)
[13:30:33.145]                         if (has_future) {
[13:30:33.145]                           ns <- base::getNamespace("future")
[13:30:33.145]                           version <- ns[[".package"]][["version"]]
[13:30:33.145]                           if (is.null(version)) 
[13:30:33.145]                             version <- utils::packageVersion("future")
[13:30:33.145]                         }
[13:30:33.145]                         else {
[13:30:33.145]                           version <- NULL
[13:30:33.145]                         }
[13:30:33.145]                         if (!has_future || version < "1.8.0") {
[13:30:33.145]                           info <- base::c(r_version = base::gsub("R version ", 
[13:30:33.145]                             "", base::R.version$version.string), 
[13:30:33.145]                             platform = base::sprintf("%s (%s-bit)", 
[13:30:33.145]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:30:33.145]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[13:30:33.145]                               "release", "version")], collapse = " "), 
[13:30:33.145]                             hostname = base::Sys.info()[["nodename"]])
[13:30:33.145]                           info <- base::sprintf("%s: %s", base::names(info), 
[13:30:33.145]                             info)
[13:30:33.145]                           info <- base::paste(info, collapse = "; ")
[13:30:33.145]                           if (!has_future) {
[13:30:33.145]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:30:33.145]                               info)
[13:30:33.145]                           }
[13:30:33.145]                           else {
[13:30:33.145]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:30:33.145]                               info, version)
[13:30:33.145]                           }
[13:30:33.145]                           base::stop(msg)
[13:30:33.145]                         }
[13:30:33.145]                       })
[13:30:33.145]                     }
[13:30:33.145]                     base::local({
[13:30:33.145]                       for (pkg in "future") {
[13:30:33.145]                         base::loadNamespace(pkg)
[13:30:33.145]                         base::library(pkg, character.only = TRUE)
[13:30:33.145]                       }
[13:30:33.145]                     })
[13:30:33.145]                   }
[13:30:33.145]                   ...future.strategy.old <- future::plan("list")
[13:30:33.145]                   options(future.plan = NULL)
[13:30:33.145]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:30:33.145]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:30:33.145]                 }
[13:30:33.145]                 ...future.workdir <- getwd()
[13:30:33.145]             }
[13:30:33.145]             ...future.oldOptions <- base::as.list(base::.Options)
[13:30:33.145]             ...future.oldEnvVars <- base::Sys.getenv()
[13:30:33.145]         }
[13:30:33.145]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:30:33.145]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:30:33.145]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:30:33.145]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:30:33.145]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:30:33.145]             future.stdout.windows.reencode = NULL, width = 80L)
[13:30:33.145]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:30:33.145]             base::names(...future.oldOptions))
[13:30:33.145]     }
[13:30:33.145]     if (FALSE) {
[13:30:33.145]     }
[13:30:33.145]     else {
[13:30:33.145]         if (TRUE) {
[13:30:33.145]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:30:33.145]                 open = "w")
[13:30:33.145]         }
[13:30:33.145]         else {
[13:30:33.145]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:30:33.145]                 windows = "NUL", "/dev/null"), open = "w")
[13:30:33.145]         }
[13:30:33.145]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:30:33.145]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:30:33.145]             base::sink(type = "output", split = FALSE)
[13:30:33.145]             base::close(...future.stdout)
[13:30:33.145]         }, add = TRUE)
[13:30:33.145]     }
[13:30:33.145]     ...future.frame <- base::sys.nframe()
[13:30:33.145]     ...future.conditions <- base::list()
[13:30:33.145]     ...future.rng <- base::globalenv()$.Random.seed
[13:30:33.145]     if (FALSE) {
[13:30:33.145]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:30:33.145]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:30:33.145]     }
[13:30:33.145]     ...future.result <- base::tryCatch({
[13:30:33.145]         base::withCallingHandlers({
[13:30:33.145]             ...future.value <- base::withVisible(base::local({
[13:30:33.145]                 message(sprintf("Calculating tile #%d of %d ...", 
[13:30:33.145]                   ii, n), appendLF = FALSE)
[13:30:33.145]                 fit <- mandelbrot(C)
[13:30:33.145]                 delay(fit)
[13:30:33.145]                 message(" done")
[13:30:33.145]                 fit
[13:30:33.145]             }))
[13:30:33.145]             future::FutureResult(value = ...future.value$value, 
[13:30:33.145]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:30:33.145]                   ...future.rng), globalenv = if (FALSE) 
[13:30:33.145]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:30:33.145]                     ...future.globalenv.names))
[13:30:33.145]                 else NULL, started = ...future.startTime, version = "1.8")
[13:30:33.145]         }, condition = base::local({
[13:30:33.145]             c <- base::c
[13:30:33.145]             inherits <- base::inherits
[13:30:33.145]             invokeRestart <- base::invokeRestart
[13:30:33.145]             length <- base::length
[13:30:33.145]             list <- base::list
[13:30:33.145]             seq.int <- base::seq.int
[13:30:33.145]             signalCondition <- base::signalCondition
[13:30:33.145]             sys.calls <- base::sys.calls
[13:30:33.145]             `[[` <- base::`[[`
[13:30:33.145]             `+` <- base::`+`
[13:30:33.145]             `<<-` <- base::`<<-`
[13:30:33.145]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:30:33.145]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:30:33.145]                   3L)]
[13:30:33.145]             }
[13:30:33.145]             function(cond) {
[13:30:33.145]                 is_error <- inherits(cond, "error")
[13:30:33.145]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:30:33.145]                   NULL)
[13:30:33.145]                 if (is_error) {
[13:30:33.145]                   sessionInformation <- function() {
[13:30:33.145]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:30:33.145]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:30:33.145]                       search = base::search(), system = base::Sys.info())
[13:30:33.145]                   }
[13:30:33.145]                   ...future.conditions[[length(...future.conditions) + 
[13:30:33.145]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:30:33.145]                     cond$call), session = sessionInformation(), 
[13:30:33.145]                     timestamp = base::Sys.time(), signaled = 0L)
[13:30:33.145]                   signalCondition(cond)
[13:30:33.145]                 }
[13:30:33.145]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:30:33.145]                   signal <- FALSE && inherits(cond, character(0))
[13:30:33.145]                   ...future.conditions[[length(...future.conditions) + 
[13:30:33.145]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:30:33.145]                   if (FALSE && !signal) {
[13:30:33.145]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:30:33.145]                     {
[13:30:33.145]                       inherits <- base::inherits
[13:30:33.145]                       invokeRestart <- base::invokeRestart
[13:30:33.145]                       is.null <- base::is.null
[13:30:33.145]                       muffled <- FALSE
[13:30:33.145]                       if (inherits(cond, "message")) {
[13:30:33.145]                         muffled <- grepl(pattern, "muffleMessage")
[13:30:33.145]                         if (muffled) 
[13:30:33.145]                           invokeRestart("muffleMessage")
[13:30:33.145]                       }
[13:30:33.145]                       else if (inherits(cond, "warning")) {
[13:30:33.145]                         muffled <- grepl(pattern, "muffleWarning")
[13:30:33.145]                         if (muffled) 
[13:30:33.145]                           invokeRestart("muffleWarning")
[13:30:33.145]                       }
[13:30:33.145]                       else if (inherits(cond, "condition")) {
[13:30:33.145]                         if (!is.null(pattern)) {
[13:30:33.145]                           computeRestarts <- base::computeRestarts
[13:30:33.145]                           grepl <- base::grepl
[13:30:33.145]                           restarts <- computeRestarts(cond)
[13:30:33.145]                           for (restart in restarts) {
[13:30:33.145]                             name <- restart$name
[13:30:33.145]                             if (is.null(name)) 
[13:30:33.145]                               next
[13:30:33.145]                             if (!grepl(pattern, name)) 
[13:30:33.145]                               next
[13:30:33.145]                             invokeRestart(restart)
[13:30:33.145]                             muffled <- TRUE
[13:30:33.145]                             break
[13:30:33.145]                           }
[13:30:33.145]                         }
[13:30:33.145]                       }
[13:30:33.145]                       invisible(muffled)
[13:30:33.145]                     }
[13:30:33.145]                     muffleCondition(cond, pattern = "^muffle")
[13:30:33.145]                   }
[13:30:33.145]                 }
[13:30:33.145]                 else {
[13:30:33.145]                   if (TRUE) {
[13:30:33.145]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:30:33.145]                     {
[13:30:33.145]                       inherits <- base::inherits
[13:30:33.145]                       invokeRestart <- base::invokeRestart
[13:30:33.145]                       is.null <- base::is.null
[13:30:33.145]                       muffled <- FALSE
[13:30:33.145]                       if (inherits(cond, "message")) {
[13:30:33.145]                         muffled <- grepl(pattern, "muffleMessage")
[13:30:33.145]                         if (muffled) 
[13:30:33.145]                           invokeRestart("muffleMessage")
[13:30:33.145]                       }
[13:30:33.145]                       else if (inherits(cond, "warning")) {
[13:30:33.145]                         muffled <- grepl(pattern, "muffleWarning")
[13:30:33.145]                         if (muffled) 
[13:30:33.145]                           invokeRestart("muffleWarning")
[13:30:33.145]                       }
[13:30:33.145]                       else if (inherits(cond, "condition")) {
[13:30:33.145]                         if (!is.null(pattern)) {
[13:30:33.145]                           computeRestarts <- base::computeRestarts
[13:30:33.145]                           grepl <- base::grepl
[13:30:33.145]                           restarts <- computeRestarts(cond)
[13:30:33.145]                           for (restart in restarts) {
[13:30:33.145]                             name <- restart$name
[13:30:33.145]                             if (is.null(name)) 
[13:30:33.145]                               next
[13:30:33.145]                             if (!grepl(pattern, name)) 
[13:30:33.145]                               next
[13:30:33.145]                             invokeRestart(restart)
[13:30:33.145]                             muffled <- TRUE
[13:30:33.145]                             break
[13:30:33.145]                           }
[13:30:33.145]                         }
[13:30:33.145]                       }
[13:30:33.145]                       invisible(muffled)
[13:30:33.145]                     }
[13:30:33.145]                     muffleCondition(cond, pattern = "^muffle")
[13:30:33.145]                   }
[13:30:33.145]                 }
[13:30:33.145]             }
[13:30:33.145]         }))
[13:30:33.145]     }, error = function(ex) {
[13:30:33.145]         base::structure(base::list(value = NULL, visible = NULL, 
[13:30:33.145]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:30:33.145]                 ...future.rng), started = ...future.startTime, 
[13:30:33.145]             finished = Sys.time(), session_uuid = NA_character_, 
[13:30:33.145]             version = "1.8"), class = "FutureResult")
[13:30:33.145]     }, finally = {
[13:30:33.145]         if (!identical(...future.workdir, getwd())) 
[13:30:33.145]             setwd(...future.workdir)
[13:30:33.145]         {
[13:30:33.145]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:30:33.145]                 ...future.oldOptions$nwarnings <- NULL
[13:30:33.145]             }
[13:30:33.145]             base::options(...future.oldOptions)
[13:30:33.145]             if (.Platform$OS.type == "windows") {
[13:30:33.145]                 old_names <- names(...future.oldEnvVars)
[13:30:33.145]                 envs <- base::Sys.getenv()
[13:30:33.145]                 names <- names(envs)
[13:30:33.145]                 common <- intersect(names, old_names)
[13:30:33.145]                 added <- setdiff(names, old_names)
[13:30:33.145]                 removed <- setdiff(old_names, names)
[13:30:33.145]                 changed <- common[...future.oldEnvVars[common] != 
[13:30:33.145]                   envs[common]]
[13:30:33.145]                 NAMES <- toupper(changed)
[13:30:33.145]                 args <- list()
[13:30:33.145]                 for (kk in seq_along(NAMES)) {
[13:30:33.145]                   name <- changed[[kk]]
[13:30:33.145]                   NAME <- NAMES[[kk]]
[13:30:33.145]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:33.145]                     next
[13:30:33.145]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:30:33.145]                 }
[13:30:33.145]                 NAMES <- toupper(added)
[13:30:33.145]                 for (kk in seq_along(NAMES)) {
[13:30:33.145]                   name <- added[[kk]]
[13:30:33.145]                   NAME <- NAMES[[kk]]
[13:30:33.145]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:33.145]                     next
[13:30:33.145]                   args[[name]] <- ""
[13:30:33.145]                 }
[13:30:33.145]                 NAMES <- toupper(removed)
[13:30:33.145]                 for (kk in seq_along(NAMES)) {
[13:30:33.145]                   name <- removed[[kk]]
[13:30:33.145]                   NAME <- NAMES[[kk]]
[13:30:33.145]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:33.145]                     next
[13:30:33.145]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:30:33.145]                 }
[13:30:33.145]                 if (length(args) > 0) 
[13:30:33.145]                   base::do.call(base::Sys.setenv, args = args)
[13:30:33.145]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:30:33.145]             }
[13:30:33.145]             else {
[13:30:33.145]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:30:33.145]             }
[13:30:33.145]             {
[13:30:33.145]                 if (base::length(...future.futureOptionsAdded) > 
[13:30:33.145]                   0L) {
[13:30:33.145]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:30:33.145]                   base::names(opts) <- ...future.futureOptionsAdded
[13:30:33.145]                   base::options(opts)
[13:30:33.145]                 }
[13:30:33.145]                 {
[13:30:33.145]                   NULL
[13:30:33.145]                   options(future.plan = NULL)
[13:30:33.145]                   if (is.na(NA_character_)) 
[13:30:33.145]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:30:33.145]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:30:33.145]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:30:33.145]                     .init = FALSE)
[13:30:33.145]                 }
[13:30:33.145]             }
[13:30:33.145]         }
[13:30:33.145]     })
[13:30:33.145]     if (TRUE) {
[13:30:33.145]         base::sink(type = "output", split = FALSE)
[13:30:33.145]         if (TRUE) {
[13:30:33.145]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:30:33.145]         }
[13:30:33.145]         else {
[13:30:33.145]             ...future.result["stdout"] <- base::list(NULL)
[13:30:33.145]         }
[13:30:33.145]         base::close(...future.stdout)
[13:30:33.145]         ...future.stdout <- NULL
[13:30:33.145]     }
[13:30:33.145]     ...future.result$conditions <- ...future.conditions
[13:30:33.145]     ...future.result$finished <- base::Sys.time()
[13:30:33.145]     ...future.result
[13:30:33.145] }
[13:30:33.149] - Launch lazy future ... done
[13:30:33.149] run() for 'MiraiFuture' ... done
[13:30:33.149] - run() ... done
[13:30:33.149] - resolved() ...
[13:30:33.150] resolved() for 'MiraiFuture' ...
[13:30:33.150] - state: 'running'
[13:30:33.150] - run: TRUE
[13:30:33.150] - result: 'NULL'
[13:30:33.150] - resolved: FALSE
[13:30:33.151] resolved() for 'MiraiFuture' ... done
[13:30:33.151] - resolved: FALSE
[13:30:33.151] - resolved() ... done
[13:30:33.151] resolved() for 'MiraiFuture' ... done
[13:30:33.151] resolved() for 'Future' ...
[13:30:33.152] - state: 'created'
[13:30:33.152] - run: TRUE
[13:30:33.152] - run() ...
[13:30:33.152] run() for 'Future' ...
[13:30:33.152] - state: 'created'
[13:30:33.152] - Future backend: 'FutureStrategy', 'tweaked', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:30:33.153] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:30:33.153] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:30:33.153]   - Field: 'label'
[13:30:33.153]   - Field: 'local'
[13:30:33.154]   - Field: 'owner'
[13:30:33.154]   - Field: 'envir'
[13:30:33.154]   - Field: 'packages'
[13:30:33.154]   - Field: 'gc'
[13:30:33.154]   - Field: 'conditions'
[13:30:33.154]   - Field: 'expr'
[13:30:33.155]   - Field: 'uuid'
[13:30:33.155]   - Field: 'seed'
[13:30:33.155]   - Field: 'version'
[13:30:33.155]   - Field: 'result'
[13:30:33.155]   - Field: 'asynchronous'
[13:30:33.155]   - Field: 'calls'
[13:30:33.156]   - Field: 'globals'
[13:30:33.156]   - Field: 'stdout'
[13:30:33.156]   - Field: 'earlySignal'
[13:30:33.156]   - Field: 'lazy'
[13:30:33.156]   - Field: 'state'
[13:30:33.157]   - Field: '.cluster'
[13:30:33.157] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:30:33.157] - Launch lazy future ...
[13:30:33.157] Packages needed by the future expression (n = 1): 'future'
[13:30:33.157] Packages needed by future strategies (n = 0): <none>
[13:30:33.158] {
[13:30:33.158]     {
[13:30:33.158]         {
[13:30:33.158]             ...future.startTime <- base::Sys.time()
[13:30:33.158]             {
[13:30:33.158]                 {
[13:30:33.158]                   {
[13:30:33.158]                     {
[13:30:33.158]                       base::local({
[13:30:33.158]                         has_future <- base::requireNamespace("future", 
[13:30:33.158]                           quietly = TRUE)
[13:30:33.158]                         if (has_future) {
[13:30:33.158]                           ns <- base::getNamespace("future")
[13:30:33.158]                           version <- ns[[".package"]][["version"]]
[13:30:33.158]                           if (is.null(version)) 
[13:30:33.158]                             version <- utils::packageVersion("future")
[13:30:33.158]                         }
[13:30:33.158]                         else {
[13:30:33.158]                           version <- NULL
[13:30:33.158]                         }
[13:30:33.158]                         if (!has_future || version < "1.8.0") {
[13:30:33.158]                           info <- base::c(r_version = base::gsub("R version ", 
[13:30:33.158]                             "", base::R.version$version.string), 
[13:30:33.158]                             platform = base::sprintf("%s (%s-bit)", 
[13:30:33.158]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:30:33.158]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[13:30:33.158]                               "release", "version")], collapse = " "), 
[13:30:33.158]                             hostname = base::Sys.info()[["nodename"]])
[13:30:33.158]                           info <- base::sprintf("%s: %s", base::names(info), 
[13:30:33.158]                             info)
[13:30:33.158]                           info <- base::paste(info, collapse = "; ")
[13:30:33.158]                           if (!has_future) {
[13:30:33.158]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:30:33.158]                               info)
[13:30:33.158]                           }
[13:30:33.158]                           else {
[13:30:33.158]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:30:33.158]                               info, version)
[13:30:33.158]                           }
[13:30:33.158]                           base::stop(msg)
[13:30:33.158]                         }
[13:30:33.158]                       })
[13:30:33.158]                     }
[13:30:33.158]                     base::local({
[13:30:33.158]                       for (pkg in "future") {
[13:30:33.158]                         base::loadNamespace(pkg)
[13:30:33.158]                         base::library(pkg, character.only = TRUE)
[13:30:33.158]                       }
[13:30:33.158]                     })
[13:30:33.158]                   }
[13:30:33.158]                   ...future.strategy.old <- future::plan("list")
[13:30:33.158]                   options(future.plan = NULL)
[13:30:33.158]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:30:33.158]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:30:33.158]                 }
[13:30:33.158]                 ...future.workdir <- getwd()
[13:30:33.158]             }
[13:30:33.158]             ...future.oldOptions <- base::as.list(base::.Options)
[13:30:33.158]             ...future.oldEnvVars <- base::Sys.getenv()
[13:30:33.158]         }
[13:30:33.158]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:30:33.158]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:30:33.158]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:30:33.158]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:30:33.158]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:30:33.158]             future.stdout.windows.reencode = NULL, width = 80L)
[13:30:33.158]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:30:33.158]             base::names(...future.oldOptions))
[13:30:33.158]     }
[13:30:33.158]     if (FALSE) {
[13:30:33.158]     }
[13:30:33.158]     else {
[13:30:33.158]         if (TRUE) {
[13:30:33.158]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:30:33.158]                 open = "w")
[13:30:33.158]         }
[13:30:33.158]         else {
[13:30:33.158]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:30:33.158]                 windows = "NUL", "/dev/null"), open = "w")
[13:30:33.158]         }
[13:30:33.158]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:30:33.158]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:30:33.158]             base::sink(type = "output", split = FALSE)
[13:30:33.158]             base::close(...future.stdout)
[13:30:33.158]         }, add = TRUE)
[13:30:33.158]     }
[13:30:33.158]     ...future.frame <- base::sys.nframe()
[13:30:33.158]     ...future.conditions <- base::list()
[13:30:33.158]     ...future.rng <- base::globalenv()$.Random.seed
[13:30:33.158]     if (FALSE) {
[13:30:33.158]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:30:33.158]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:30:33.158]     }
[13:30:33.158]     ...future.result <- base::tryCatch({
[13:30:33.158]         base::withCallingHandlers({
[13:30:33.158]             ...future.value <- base::withVisible(base::local({
[13:30:33.158]                 message(sprintf("Calculating tile #%d of %d ...", 
[13:30:33.158]                   ii, n), appendLF = FALSE)
[13:30:33.158]                 fit <- mandelbrot(C)
[13:30:33.158]                 delay(fit)
[13:30:33.158]                 message(" done")
[13:30:33.158]                 fit
[13:30:33.158]             }))
[13:30:33.158]             future::FutureResult(value = ...future.value$value, 
[13:30:33.158]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:30:33.158]                   ...future.rng), globalenv = if (FALSE) 
[13:30:33.158]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:30:33.158]                     ...future.globalenv.names))
[13:30:33.158]                 else NULL, started = ...future.startTime, version = "1.8")
[13:30:33.158]         }, condition = base::local({
[13:30:33.158]             c <- base::c
[13:30:33.158]             inherits <- base::inherits
[13:30:33.158]             invokeRestart <- base::invokeRestart
[13:30:33.158]             length <- base::length
[13:30:33.158]             list <- base::list
[13:30:33.158]             seq.int <- base::seq.int
[13:30:33.158]             signalCondition <- base::signalCondition
[13:30:33.158]             sys.calls <- base::sys.calls
[13:30:33.158]             `[[` <- base::`[[`
[13:30:33.158]             `+` <- base::`+`
[13:30:33.158]             `<<-` <- base::`<<-`
[13:30:33.158]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:30:33.158]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:30:33.158]                   3L)]
[13:30:33.158]             }
[13:30:33.158]             function(cond) {
[13:30:33.158]                 is_error <- inherits(cond, "error")
[13:30:33.158]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:30:33.158]                   NULL)
[13:30:33.158]                 if (is_error) {
[13:30:33.158]                   sessionInformation <- function() {
[13:30:33.158]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:30:33.158]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:30:33.158]                       search = base::search(), system = base::Sys.info())
[13:30:33.158]                   }
[13:30:33.158]                   ...future.conditions[[length(...future.conditions) + 
[13:30:33.158]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:30:33.158]                     cond$call), session = sessionInformation(), 
[13:30:33.158]                     timestamp = base::Sys.time(), signaled = 0L)
[13:30:33.158]                   signalCondition(cond)
[13:30:33.158]                 }
[13:30:33.158]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:30:33.158]                   signal <- FALSE && inherits(cond, character(0))
[13:30:33.158]                   ...future.conditions[[length(...future.conditions) + 
[13:30:33.158]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:30:33.158]                   if (FALSE && !signal) {
[13:30:33.158]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:30:33.158]                     {
[13:30:33.158]                       inherits <- base::inherits
[13:30:33.158]                       invokeRestart <- base::invokeRestart
[13:30:33.158]                       is.null <- base::is.null
[13:30:33.158]                       muffled <- FALSE
[13:30:33.158]                       if (inherits(cond, "message")) {
[13:30:33.158]                         muffled <- grepl(pattern, "muffleMessage")
[13:30:33.158]                         if (muffled) 
[13:30:33.158]                           invokeRestart("muffleMessage")
[13:30:33.158]                       }
[13:30:33.158]                       else if (inherits(cond, "warning")) {
[13:30:33.158]                         muffled <- grepl(pattern, "muffleWarning")
[13:30:33.158]                         if (muffled) 
[13:30:33.158]                           invokeRestart("muffleWarning")
[13:30:33.158]                       }
[13:30:33.158]                       else if (inherits(cond, "condition")) {
[13:30:33.158]                         if (!is.null(pattern)) {
[13:30:33.158]                           computeRestarts <- base::computeRestarts
[13:30:33.158]                           grepl <- base::grepl
[13:30:33.158]                           restarts <- computeRestarts(cond)
[13:30:33.158]                           for (restart in restarts) {
[13:30:33.158]                             name <- restart$name
[13:30:33.158]                             if (is.null(name)) 
[13:30:33.158]                               next
[13:30:33.158]                             if (!grepl(pattern, name)) 
[13:30:33.158]                               next
[13:30:33.158]                             invokeRestart(restart)
[13:30:33.158]                             muffled <- TRUE
[13:30:33.158]                             break
[13:30:33.158]                           }
[13:30:33.158]                         }
[13:30:33.158]                       }
[13:30:33.158]                       invisible(muffled)
[13:30:33.158]                     }
[13:30:33.158]                     muffleCondition(cond, pattern = "^muffle")
[13:30:33.158]                   }
[13:30:33.158]                 }
[13:30:33.158]                 else {
[13:30:33.158]                   if (TRUE) {
[13:30:33.158]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:30:33.158]                     {
[13:30:33.158]                       inherits <- base::inherits
[13:30:33.158]                       invokeRestart <- base::invokeRestart
[13:30:33.158]                       is.null <- base::is.null
[13:30:33.158]                       muffled <- FALSE
[13:30:33.158]                       if (inherits(cond, "message")) {
[13:30:33.158]                         muffled <- grepl(pattern, "muffleMessage")
[13:30:33.158]                         if (muffled) 
[13:30:33.158]                           invokeRestart("muffleMessage")
[13:30:33.158]                       }
[13:30:33.158]                       else if (inherits(cond, "warning")) {
[13:30:33.158]                         muffled <- grepl(pattern, "muffleWarning")
[13:30:33.158]                         if (muffled) 
[13:30:33.158]                           invokeRestart("muffleWarning")
[13:30:33.158]                       }
[13:30:33.158]                       else if (inherits(cond, "condition")) {
[13:30:33.158]                         if (!is.null(pattern)) {
[13:30:33.158]                           computeRestarts <- base::computeRestarts
[13:30:33.158]                           grepl <- base::grepl
[13:30:33.158]                           restarts <- computeRestarts(cond)
[13:30:33.158]                           for (restart in restarts) {
[13:30:33.158]                             name <- restart$name
[13:30:33.158]                             if (is.null(name)) 
[13:30:33.158]                               next
[13:30:33.158]                             if (!grepl(pattern, name)) 
[13:30:33.158]                               next
[13:30:33.158]                             invokeRestart(restart)
[13:30:33.158]                             muffled <- TRUE
[13:30:33.158]                             break
[13:30:33.158]                           }
[13:30:33.158]                         }
[13:30:33.158]                       }
[13:30:33.158]                       invisible(muffled)
[13:30:33.158]                     }
[13:30:33.158]                     muffleCondition(cond, pattern = "^muffle")
[13:30:33.158]                   }
[13:30:33.158]                 }
[13:30:33.158]             }
[13:30:33.158]         }))
[13:30:33.158]     }, error = function(ex) {
[13:30:33.158]         base::structure(base::list(value = NULL, visible = NULL, 
[13:30:33.158]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:30:33.158]                 ...future.rng), started = ...future.startTime, 
[13:30:33.158]             finished = Sys.time(), session_uuid = NA_character_, 
[13:30:33.158]             version = "1.8"), class = "FutureResult")
[13:30:33.158]     }, finally = {
[13:30:33.158]         if (!identical(...future.workdir, getwd())) 
[13:30:33.158]             setwd(...future.workdir)
[13:30:33.158]         {
[13:30:33.158]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:30:33.158]                 ...future.oldOptions$nwarnings <- NULL
[13:30:33.158]             }
[13:30:33.158]             base::options(...future.oldOptions)
[13:30:33.158]             if (.Platform$OS.type == "windows") {
[13:30:33.158]                 old_names <- names(...future.oldEnvVars)
[13:30:33.158]                 envs <- base::Sys.getenv()
[13:30:33.158]                 names <- names(envs)
[13:30:33.158]                 common <- intersect(names, old_names)
[13:30:33.158]                 added <- setdiff(names, old_names)
[13:30:33.158]                 removed <- setdiff(old_names, names)
[13:30:33.158]                 changed <- common[...future.oldEnvVars[common] != 
[13:30:33.158]                   envs[common]]
[13:30:33.158]                 NAMES <- toupper(changed)
[13:30:33.158]                 args <- list()
[13:30:33.158]                 for (kk in seq_along(NAMES)) {
[13:30:33.158]                   name <- changed[[kk]]
[13:30:33.158]                   NAME <- NAMES[[kk]]
[13:30:33.158]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:33.158]                     next
[13:30:33.158]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:30:33.158]                 }
[13:30:33.158]                 NAMES <- toupper(added)
[13:30:33.158]                 for (kk in seq_along(NAMES)) {
[13:30:33.158]                   name <- added[[kk]]
[13:30:33.158]                   NAME <- NAMES[[kk]]
[13:30:33.158]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:33.158]                     next
[13:30:33.158]                   args[[name]] <- ""
[13:30:33.158]                 }
[13:30:33.158]                 NAMES <- toupper(removed)
[13:30:33.158]                 for (kk in seq_along(NAMES)) {
[13:30:33.158]                   name <- removed[[kk]]
[13:30:33.158]                   NAME <- NAMES[[kk]]
[13:30:33.158]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:33.158]                     next
[13:30:33.158]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:30:33.158]                 }
[13:30:33.158]                 if (length(args) > 0) 
[13:30:33.158]                   base::do.call(base::Sys.setenv, args = args)
[13:30:33.158]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:30:33.158]             }
[13:30:33.158]             else {
[13:30:33.158]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:30:33.158]             }
[13:30:33.158]             {
[13:30:33.158]                 if (base::length(...future.futureOptionsAdded) > 
[13:30:33.158]                   0L) {
[13:30:33.158]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:30:33.158]                   base::names(opts) <- ...future.futureOptionsAdded
[13:30:33.158]                   base::options(opts)
[13:30:33.158]                 }
[13:30:33.158]                 {
[13:30:33.158]                   NULL
[13:30:33.158]                   options(future.plan = NULL)
[13:30:33.158]                   if (is.na(NA_character_)) 
[13:30:33.158]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:30:33.158]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:30:33.158]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:30:33.158]                     .init = FALSE)
[13:30:33.158]                 }
[13:30:33.158]             }
[13:30:33.158]         }
[13:30:33.158]     })
[13:30:33.158]     if (TRUE) {
[13:30:33.158]         base::sink(type = "output", split = FALSE)
[13:30:33.158]         if (TRUE) {
[13:30:33.158]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:30:33.158]         }
[13:30:33.158]         else {
[13:30:33.158]             ...future.result["stdout"] <- base::list(NULL)
[13:30:33.158]         }
[13:30:33.158]         base::close(...future.stdout)
[13:30:33.158]         ...future.stdout <- NULL
[13:30:33.158]     }
[13:30:33.158]     ...future.result$conditions <- ...future.conditions
[13:30:33.158]     ...future.result$finished <- base::Sys.time()
[13:30:33.158]     ...future.result
[13:30:33.158] }
[13:30:33.162] - Launch lazy future ... done
[13:30:33.162] run() for 'MiraiFuture' ... done
[13:30:33.162] - run() ... done
[13:30:33.162] - resolved() ...
[13:30:33.163] resolved() for 'MiraiFuture' ...
[13:30:33.163] - state: 'running'
[13:30:33.163] - run: TRUE
[13:30:33.163] - result: 'NULL'
[13:30:33.163] - resolved: FALSE
[13:30:33.164] resolved() for 'MiraiFuture' ... done
[13:30:33.164] - resolved: FALSE
[13:30:33.164] - resolved() ... done
[13:30:33.164] resolved() for 'MiraiFuture' ... done
[13:30:33.164] resolved() for 'Future' ...
[13:30:33.164] - state: 'created'
[13:30:33.166] - run: TRUE
[13:30:33.166] - run() ...
[13:30:33.166] run() for 'Future' ...
[13:30:33.166] - state: 'created'
[13:30:33.167] - Future backend: 'FutureStrategy', 'tweaked', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:30:33.167] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:30:33.167] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:30:33.167]   - Field: 'label'
[13:30:33.168]   - Field: 'local'
[13:30:33.168]   - Field: 'owner'
[13:30:33.168]   - Field: 'envir'
[13:30:33.168]   - Field: 'packages'
[13:30:33.168]   - Field: 'gc'
[13:30:33.168]   - Field: 'conditions'
[13:30:33.169]   - Field: 'expr'
[13:30:33.169]   - Field: 'uuid'
[13:30:33.169]   - Field: 'seed'
[13:30:33.169]   - Field: 'version'
[13:30:33.169]   - Field: 'result'
[13:30:33.169]   - Field: 'asynchronous'
[13:30:33.170]   - Field: 'calls'
[13:30:33.170]   - Field: 'globals'
[13:30:33.170]   - Field: 'stdout'
[13:30:33.170]   - Field: 'earlySignal'
[13:30:33.170]   - Field: 'lazy'
[13:30:33.170]   - Field: 'state'
[13:30:33.171]   - Field: '.cluster'
[13:30:33.171] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:30:33.171] - Launch lazy future ...
[13:30:33.171] Packages needed by the future expression (n = 1): 'future'
[13:30:33.171] Packages needed by future strategies (n = 0): <none>
[13:30:33.172] {
[13:30:33.172]     {
[13:30:33.172]         {
[13:30:33.172]             ...future.startTime <- base::Sys.time()
[13:30:33.172]             {
[13:30:33.172]                 {
[13:30:33.172]                   {
[13:30:33.172]                     {
[13:30:33.172]                       base::local({
[13:30:33.172]                         has_future <- base::requireNamespace("future", 
[13:30:33.172]                           quietly = TRUE)
[13:30:33.172]                         if (has_future) {
[13:30:33.172]                           ns <- base::getNamespace("future")
[13:30:33.172]                           version <- ns[[".package"]][["version"]]
[13:30:33.172]                           if (is.null(version)) 
[13:30:33.172]                             version <- utils::packageVersion("future")
[13:30:33.172]                         }
[13:30:33.172]                         else {
[13:30:33.172]                           version <- NULL
[13:30:33.172]                         }
[13:30:33.172]                         if (!has_future || version < "1.8.0") {
[13:30:33.172]                           info <- base::c(r_version = base::gsub("R version ", 
[13:30:33.172]                             "", base::R.version$version.string), 
[13:30:33.172]                             platform = base::sprintf("%s (%s-bit)", 
[13:30:33.172]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:30:33.172]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[13:30:33.172]                               "release", "version")], collapse = " "), 
[13:30:33.172]                             hostname = base::Sys.info()[["nodename"]])
[13:30:33.172]                           info <- base::sprintf("%s: %s", base::names(info), 
[13:30:33.172]                             info)
[13:30:33.172]                           info <- base::paste(info, collapse = "; ")
[13:30:33.172]                           if (!has_future) {
[13:30:33.172]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:30:33.172]                               info)
[13:30:33.172]                           }
[13:30:33.172]                           else {
[13:30:33.172]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:30:33.172]                               info, version)
[13:30:33.172]                           }
[13:30:33.172]                           base::stop(msg)
[13:30:33.172]                         }
[13:30:33.172]                       })
[13:30:33.172]                     }
[13:30:33.172]                     base::local({
[13:30:33.172]                       for (pkg in "future") {
[13:30:33.172]                         base::loadNamespace(pkg)
[13:30:33.172]                         base::library(pkg, character.only = TRUE)
[13:30:33.172]                       }
[13:30:33.172]                     })
[13:30:33.172]                   }
[13:30:33.172]                   ...future.strategy.old <- future::plan("list")
[13:30:33.172]                   options(future.plan = NULL)
[13:30:33.172]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:30:33.172]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:30:33.172]                 }
[13:30:33.172]                 ...future.workdir <- getwd()
[13:30:33.172]             }
[13:30:33.172]             ...future.oldOptions <- base::as.list(base::.Options)
[13:30:33.172]             ...future.oldEnvVars <- base::Sys.getenv()
[13:30:33.172]         }
[13:30:33.172]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:30:33.172]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:30:33.172]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:30:33.172]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:30:33.172]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:30:33.172]             future.stdout.windows.reencode = NULL, width = 80L)
[13:30:33.172]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:30:33.172]             base::names(...future.oldOptions))
[13:30:33.172]     }
[13:30:33.172]     if (FALSE) {
[13:30:33.172]     }
[13:30:33.172]     else {
[13:30:33.172]         if (TRUE) {
[13:30:33.172]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:30:33.172]                 open = "w")
[13:30:33.172]         }
[13:30:33.172]         else {
[13:30:33.172]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:30:33.172]                 windows = "NUL", "/dev/null"), open = "w")
[13:30:33.172]         }
[13:30:33.172]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:30:33.172]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:30:33.172]             base::sink(type = "output", split = FALSE)
[13:30:33.172]             base::close(...future.stdout)
[13:30:33.172]         }, add = TRUE)
[13:30:33.172]     }
[13:30:33.172]     ...future.frame <- base::sys.nframe()
[13:30:33.172]     ...future.conditions <- base::list()
[13:30:33.172]     ...future.rng <- base::globalenv()$.Random.seed
[13:30:33.172]     if (FALSE) {
[13:30:33.172]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:30:33.172]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:30:33.172]     }
[13:30:33.172]     ...future.result <- base::tryCatch({
[13:30:33.172]         base::withCallingHandlers({
[13:30:33.172]             ...future.value <- base::withVisible(base::local({
[13:30:33.172]                 message(sprintf("Calculating tile #%d of %d ...", 
[13:30:33.172]                   ii, n), appendLF = FALSE)
[13:30:33.172]                 fit <- mandelbrot(C)
[13:30:33.172]                 delay(fit)
[13:30:33.172]                 message(" done")
[13:30:33.172]                 fit
[13:30:33.172]             }))
[13:30:33.172]             future::FutureResult(value = ...future.value$value, 
[13:30:33.172]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:30:33.172]                   ...future.rng), globalenv = if (FALSE) 
[13:30:33.172]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:30:33.172]                     ...future.globalenv.names))
[13:30:33.172]                 else NULL, started = ...future.startTime, version = "1.8")
[13:30:33.172]         }, condition = base::local({
[13:30:33.172]             c <- base::c
[13:30:33.172]             inherits <- base::inherits
[13:30:33.172]             invokeRestart <- base::invokeRestart
[13:30:33.172]             length <- base::length
[13:30:33.172]             list <- base::list
[13:30:33.172]             seq.int <- base::seq.int
[13:30:33.172]             signalCondition <- base::signalCondition
[13:30:33.172]             sys.calls <- base::sys.calls
[13:30:33.172]             `[[` <- base::`[[`
[13:30:33.172]             `+` <- base::`+`
[13:30:33.172]             `<<-` <- base::`<<-`
[13:30:33.172]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:30:33.172]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:30:33.172]                   3L)]
[13:30:33.172]             }
[13:30:33.172]             function(cond) {
[13:30:33.172]                 is_error <- inherits(cond, "error")
[13:30:33.172]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:30:33.172]                   NULL)
[13:30:33.172]                 if (is_error) {
[13:30:33.172]                   sessionInformation <- function() {
[13:30:33.172]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:30:33.172]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:30:33.172]                       search = base::search(), system = base::Sys.info())
[13:30:33.172]                   }
[13:30:33.172]                   ...future.conditions[[length(...future.conditions) + 
[13:30:33.172]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:30:33.172]                     cond$call), session = sessionInformation(), 
[13:30:33.172]                     timestamp = base::Sys.time(), signaled = 0L)
[13:30:33.172]                   signalCondition(cond)
[13:30:33.172]                 }
[13:30:33.172]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:30:33.172]                   signal <- FALSE && inherits(cond, character(0))
[13:30:33.172]                   ...future.conditions[[length(...future.conditions) + 
[13:30:33.172]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:30:33.172]                   if (FALSE && !signal) {
[13:30:33.172]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:30:33.172]                     {
[13:30:33.172]                       inherits <- base::inherits
[13:30:33.172]                       invokeRestart <- base::invokeRestart
[13:30:33.172]                       is.null <- base::is.null
[13:30:33.172]                       muffled <- FALSE
[13:30:33.172]                       if (inherits(cond, "message")) {
[13:30:33.172]                         muffled <- grepl(pattern, "muffleMessage")
[13:30:33.172]                         if (muffled) 
[13:30:33.172]                           invokeRestart("muffleMessage")
[13:30:33.172]                       }
[13:30:33.172]                       else if (inherits(cond, "warning")) {
[13:30:33.172]                         muffled <- grepl(pattern, "muffleWarning")
[13:30:33.172]                         if (muffled) 
[13:30:33.172]                           invokeRestart("muffleWarning")
[13:30:33.172]                       }
[13:30:33.172]                       else if (inherits(cond, "condition")) {
[13:30:33.172]                         if (!is.null(pattern)) {
[13:30:33.172]                           computeRestarts <- base::computeRestarts
[13:30:33.172]                           grepl <- base::grepl
[13:30:33.172]                           restarts <- computeRestarts(cond)
[13:30:33.172]                           for (restart in restarts) {
[13:30:33.172]                             name <- restart$name
[13:30:33.172]                             if (is.null(name)) 
[13:30:33.172]                               next
[13:30:33.172]                             if (!grepl(pattern, name)) 
[13:30:33.172]                               next
[13:30:33.172]                             invokeRestart(restart)
[13:30:33.172]                             muffled <- TRUE
[13:30:33.172]                             break
[13:30:33.172]                           }
[13:30:33.172]                         }
[13:30:33.172]                       }
[13:30:33.172]                       invisible(muffled)
[13:30:33.172]                     }
[13:30:33.172]                     muffleCondition(cond, pattern = "^muffle")
[13:30:33.172]                   }
[13:30:33.172]                 }
[13:30:33.172]                 else {
[13:30:33.172]                   if (TRUE) {
[13:30:33.172]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:30:33.172]                     {
[13:30:33.172]                       inherits <- base::inherits
[13:30:33.172]                       invokeRestart <- base::invokeRestart
[13:30:33.172]                       is.null <- base::is.null
[13:30:33.172]                       muffled <- FALSE
[13:30:33.172]                       if (inherits(cond, "message")) {
[13:30:33.172]                         muffled <- grepl(pattern, "muffleMessage")
[13:30:33.172]                         if (muffled) 
[13:30:33.172]                           invokeRestart("muffleMessage")
[13:30:33.172]                       }
[13:30:33.172]                       else if (inherits(cond, "warning")) {
[13:30:33.172]                         muffled <- grepl(pattern, "muffleWarning")
[13:30:33.172]                         if (muffled) 
[13:30:33.172]                           invokeRestart("muffleWarning")
[13:30:33.172]                       }
[13:30:33.172]                       else if (inherits(cond, "condition")) {
[13:30:33.172]                         if (!is.null(pattern)) {
[13:30:33.172]                           computeRestarts <- base::computeRestarts
[13:30:33.172]                           grepl <- base::grepl
[13:30:33.172]                           restarts <- computeRestarts(cond)
[13:30:33.172]                           for (restart in restarts) {
[13:30:33.172]                             name <- restart$name
[13:30:33.172]                             if (is.null(name)) 
[13:30:33.172]                               next
[13:30:33.172]                             if (!grepl(pattern, name)) 
[13:30:33.172]                               next
[13:30:33.172]                             invokeRestart(restart)
[13:30:33.172]                             muffled <- TRUE
[13:30:33.172]                             break
[13:30:33.172]                           }
[13:30:33.172]                         }
[13:30:33.172]                       }
[13:30:33.172]                       invisible(muffled)
[13:30:33.172]                     }
[13:30:33.172]                     muffleCondition(cond, pattern = "^muffle")
[13:30:33.172]                   }
[13:30:33.172]                 }
[13:30:33.172]             }
[13:30:33.172]         }))
[13:30:33.172]     }, error = function(ex) {
[13:30:33.172]         base::structure(base::list(value = NULL, visible = NULL, 
[13:30:33.172]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:30:33.172]                 ...future.rng), started = ...future.startTime, 
[13:30:33.172]             finished = Sys.time(), session_uuid = NA_character_, 
[13:30:33.172]             version = "1.8"), class = "FutureResult")
[13:30:33.172]     }, finally = {
[13:30:33.172]         if (!identical(...future.workdir, getwd())) 
[13:30:33.172]             setwd(...future.workdir)
[13:30:33.172]         {
[13:30:33.172]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:30:33.172]                 ...future.oldOptions$nwarnings <- NULL
[13:30:33.172]             }
[13:30:33.172]             base::options(...future.oldOptions)
[13:30:33.172]             if (.Platform$OS.type == "windows") {
[13:30:33.172]                 old_names <- names(...future.oldEnvVars)
[13:30:33.172]                 envs <- base::Sys.getenv()
[13:30:33.172]                 names <- names(envs)
[13:30:33.172]                 common <- intersect(names, old_names)
[13:30:33.172]                 added <- setdiff(names, old_names)
[13:30:33.172]                 removed <- setdiff(old_names, names)
[13:30:33.172]                 changed <- common[...future.oldEnvVars[common] != 
[13:30:33.172]                   envs[common]]
[13:30:33.172]                 NAMES <- toupper(changed)
[13:30:33.172]                 args <- list()
[13:30:33.172]                 for (kk in seq_along(NAMES)) {
[13:30:33.172]                   name <- changed[[kk]]
[13:30:33.172]                   NAME <- NAMES[[kk]]
[13:30:33.172]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:33.172]                     next
[13:30:33.172]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:30:33.172]                 }
[13:30:33.172]                 NAMES <- toupper(added)
[13:30:33.172]                 for (kk in seq_along(NAMES)) {
[13:30:33.172]                   name <- added[[kk]]
[13:30:33.172]                   NAME <- NAMES[[kk]]
[13:30:33.172]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:33.172]                     next
[13:30:33.172]                   args[[name]] <- ""
[13:30:33.172]                 }
[13:30:33.172]                 NAMES <- toupper(removed)
[13:30:33.172]                 for (kk in seq_along(NAMES)) {
[13:30:33.172]                   name <- removed[[kk]]
[13:30:33.172]                   NAME <- NAMES[[kk]]
[13:30:33.172]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:33.172]                     next
[13:30:33.172]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:30:33.172]                 }
[13:30:33.172]                 if (length(args) > 0) 
[13:30:33.172]                   base::do.call(base::Sys.setenv, args = args)
[13:30:33.172]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:30:33.172]             }
[13:30:33.172]             else {
[13:30:33.172]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:30:33.172]             }
[13:30:33.172]             {
[13:30:33.172]                 if (base::length(...future.futureOptionsAdded) > 
[13:30:33.172]                   0L) {
[13:30:33.172]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:30:33.172]                   base::names(opts) <- ...future.futureOptionsAdded
[13:30:33.172]                   base::options(opts)
[13:30:33.172]                 }
[13:30:33.172]                 {
[13:30:33.172]                   NULL
[13:30:33.172]                   options(future.plan = NULL)
[13:30:33.172]                   if (is.na(NA_character_)) 
[13:30:33.172]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:30:33.172]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:30:33.172]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:30:33.172]                     .init = FALSE)
[13:30:33.172]                 }
[13:30:33.172]             }
[13:30:33.172]         }
[13:30:33.172]     })
[13:30:33.172]     if (TRUE) {
[13:30:33.172]         base::sink(type = "output", split = FALSE)
[13:30:33.172]         if (TRUE) {
[13:30:33.172]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:30:33.172]         }
[13:30:33.172]         else {
[13:30:33.172]             ...future.result["stdout"] <- base::list(NULL)
[13:30:33.172]         }
[13:30:33.172]         base::close(...future.stdout)
[13:30:33.172]         ...future.stdout <- NULL
[13:30:33.172]     }
[13:30:33.172]     ...future.result$conditions <- ...future.conditions
[13:30:33.172]     ...future.result$finished <- base::Sys.time()
[13:30:33.172]     ...future.result
[13:30:33.172] }
[13:30:33.176] - Launch lazy future ... done
[13:30:33.176] run() for 'MiraiFuture' ... done
[13:30:33.176] - run() ... done
[13:30:33.177] - resolved() ...
[13:30:33.177] resolved() for 'MiraiFuture' ...
[13:30:33.177] - state: 'running'
[13:30:33.177] - run: TRUE
[13:30:33.177] - result: 'NULL'
[13:30:33.177] - resolved: FALSE
[13:30:33.178] resolved() for 'MiraiFuture' ... done
[13:30:33.178] - resolved: FALSE
[13:30:33.178] - resolved() ... done
[13:30:33.178] resolved() for 'MiraiFuture' ... done
[13:30:33.178] resolved() for 'Future' ...
[13:30:33.178] - state: 'created'
[13:30:33.179] - run: TRUE
[13:30:33.179] - run() ...
[13:30:33.179] run() for 'Future' ...
[13:30:33.179] - state: 'created'
[13:30:33.179] - Future backend: 'FutureStrategy', 'tweaked', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:30:33.180] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:30:33.180] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:30:33.180]   - Field: 'label'
[13:30:33.180]   - Field: 'local'
[13:30:33.181]   - Field: 'owner'
[13:30:33.181]   - Field: 'envir'
[13:30:33.181]   - Field: 'packages'
[13:30:33.181]   - Field: 'gc'
[13:30:33.181]   - Field: 'conditions'
[13:30:33.181]   - Field: 'expr'
[13:30:33.182]   - Field: 'uuid'
[13:30:33.182]   - Field: 'seed'
[13:30:33.182]   - Field: 'version'
[13:30:33.182]   - Field: 'result'
[13:30:33.182]   - Field: 'asynchronous'
[13:30:33.182]   - Field: 'calls'
[13:30:33.183]   - Field: 'globals'
[13:30:33.183]   - Field: 'stdout'
[13:30:33.183]   - Field: 'earlySignal'
[13:30:33.183]   - Field: 'lazy'
[13:30:33.183]   - Field: 'state'
[13:30:33.183]   - Field: '.cluster'
[13:30:33.184] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:30:33.184] - Launch lazy future ...
[13:30:33.184] Packages needed by the future expression (n = 1): 'future'
[13:30:33.184] Packages needed by future strategies (n = 0): <none>
[13:30:33.185] {
[13:30:33.185]     {
[13:30:33.185]         {
[13:30:33.185]             ...future.startTime <- base::Sys.time()
[13:30:33.185]             {
[13:30:33.185]                 {
[13:30:33.185]                   {
[13:30:33.185]                     {
[13:30:33.185]                       base::local({
[13:30:33.185]                         has_future <- base::requireNamespace("future", 
[13:30:33.185]                           quietly = TRUE)
[13:30:33.185]                         if (has_future) {
[13:30:33.185]                           ns <- base::getNamespace("future")
[13:30:33.185]                           version <- ns[[".package"]][["version"]]
[13:30:33.185]                           if (is.null(version)) 
[13:30:33.185]                             version <- utils::packageVersion("future")
[13:30:33.185]                         }
[13:30:33.185]                         else {
[13:30:33.185]                           version <- NULL
[13:30:33.185]                         }
[13:30:33.185]                         if (!has_future || version < "1.8.0") {
[13:30:33.185]                           info <- base::c(r_version = base::gsub("R version ", 
[13:30:33.185]                             "", base::R.version$version.string), 
[13:30:33.185]                             platform = base::sprintf("%s (%s-bit)", 
[13:30:33.185]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:30:33.185]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[13:30:33.185]                               "release", "version")], collapse = " "), 
[13:30:33.185]                             hostname = base::Sys.info()[["nodename"]])
[13:30:33.185]                           info <- base::sprintf("%s: %s", base::names(info), 
[13:30:33.185]                             info)
[13:30:33.185]                           info <- base::paste(info, collapse = "; ")
[13:30:33.185]                           if (!has_future) {
[13:30:33.185]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:30:33.185]                               info)
[13:30:33.185]                           }
[13:30:33.185]                           else {
[13:30:33.185]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:30:33.185]                               info, version)
[13:30:33.185]                           }
[13:30:33.185]                           base::stop(msg)
[13:30:33.185]                         }
[13:30:33.185]                       })
[13:30:33.185]                     }
[13:30:33.185]                     base::local({
[13:30:33.185]                       for (pkg in "future") {
[13:30:33.185]                         base::loadNamespace(pkg)
[13:30:33.185]                         base::library(pkg, character.only = TRUE)
[13:30:33.185]                       }
[13:30:33.185]                     })
[13:30:33.185]                   }
[13:30:33.185]                   ...future.strategy.old <- future::plan("list")
[13:30:33.185]                   options(future.plan = NULL)
[13:30:33.185]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:30:33.185]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:30:33.185]                 }
[13:30:33.185]                 ...future.workdir <- getwd()
[13:30:33.185]             }
[13:30:33.185]             ...future.oldOptions <- base::as.list(base::.Options)
[13:30:33.185]             ...future.oldEnvVars <- base::Sys.getenv()
[13:30:33.185]         }
[13:30:33.185]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:30:33.185]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:30:33.185]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:30:33.185]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:30:33.185]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:30:33.185]             future.stdout.windows.reencode = NULL, width = 80L)
[13:30:33.185]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:30:33.185]             base::names(...future.oldOptions))
[13:30:33.185]     }
[13:30:33.185]     if (FALSE) {
[13:30:33.185]     }
[13:30:33.185]     else {
[13:30:33.185]         if (TRUE) {
[13:30:33.185]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:30:33.185]                 open = "w")
[13:30:33.185]         }
[13:30:33.185]         else {
[13:30:33.185]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:30:33.185]                 windows = "NUL", "/dev/null"), open = "w")
[13:30:33.185]         }
[13:30:33.185]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:30:33.185]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:30:33.185]             base::sink(type = "output", split = FALSE)
[13:30:33.185]             base::close(...future.stdout)
[13:30:33.185]         }, add = TRUE)
[13:30:33.185]     }
[13:30:33.185]     ...future.frame <- base::sys.nframe()
[13:30:33.185]     ...future.conditions <- base::list()
[13:30:33.185]     ...future.rng <- base::globalenv()$.Random.seed
[13:30:33.185]     if (FALSE) {
[13:30:33.185]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:30:33.185]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:30:33.185]     }
[13:30:33.185]     ...future.result <- base::tryCatch({
[13:30:33.185]         base::withCallingHandlers({
[13:30:33.185]             ...future.value <- base::withVisible(base::local({
[13:30:33.185]                 message(sprintf("Calculating tile #%d of %d ...", 
[13:30:33.185]                   ii, n), appendLF = FALSE)
[13:30:33.185]                 fit <- mandelbrot(C)
[13:30:33.185]                 delay(fit)
[13:30:33.185]                 message(" done")
[13:30:33.185]                 fit
[13:30:33.185]             }))
[13:30:33.185]             future::FutureResult(value = ...future.value$value, 
[13:30:33.185]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:30:33.185]                   ...future.rng), globalenv = if (FALSE) 
[13:30:33.185]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:30:33.185]                     ...future.globalenv.names))
[13:30:33.185]                 else NULL, started = ...future.startTime, version = "1.8")
[13:30:33.185]         }, condition = base::local({
[13:30:33.185]             c <- base::c
[13:30:33.185]             inherits <- base::inherits
[13:30:33.185]             invokeRestart <- base::invokeRestart
[13:30:33.185]             length <- base::length
[13:30:33.185]             list <- base::list
[13:30:33.185]             seq.int <- base::seq.int
[13:30:33.185]             signalCondition <- base::signalCondition
[13:30:33.185]             sys.calls <- base::sys.calls
[13:30:33.185]             `[[` <- base::`[[`
[13:30:33.185]             `+` <- base::`+`
[13:30:33.185]             `<<-` <- base::`<<-`
[13:30:33.185]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:30:33.185]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:30:33.185]                   3L)]
[13:30:33.185]             }
[13:30:33.185]             function(cond) {
[13:30:33.185]                 is_error <- inherits(cond, "error")
[13:30:33.185]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:30:33.185]                   NULL)
[13:30:33.185]                 if (is_error) {
[13:30:33.185]                   sessionInformation <- function() {
[13:30:33.185]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:30:33.185]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:30:33.185]                       search = base::search(), system = base::Sys.info())
[13:30:33.185]                   }
[13:30:33.185]                   ...future.conditions[[length(...future.conditions) + 
[13:30:33.185]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:30:33.185]                     cond$call), session = sessionInformation(), 
[13:30:33.185]                     timestamp = base::Sys.time(), signaled = 0L)
[13:30:33.185]                   signalCondition(cond)
[13:30:33.185]                 }
[13:30:33.185]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:30:33.185]                   signal <- FALSE && inherits(cond, character(0))
[13:30:33.185]                   ...future.conditions[[length(...future.conditions) + 
[13:30:33.185]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:30:33.185]                   if (FALSE && !signal) {
[13:30:33.185]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:30:33.185]                     {
[13:30:33.185]                       inherits <- base::inherits
[13:30:33.185]                       invokeRestart <- base::invokeRestart
[13:30:33.185]                       is.null <- base::is.null
[13:30:33.185]                       muffled <- FALSE
[13:30:33.185]                       if (inherits(cond, "message")) {
[13:30:33.185]                         muffled <- grepl(pattern, "muffleMessage")
[13:30:33.185]                         if (muffled) 
[13:30:33.185]                           invokeRestart("muffleMessage")
[13:30:33.185]                       }
[13:30:33.185]                       else if (inherits(cond, "warning")) {
[13:30:33.185]                         muffled <- grepl(pattern, "muffleWarning")
[13:30:33.185]                         if (muffled) 
[13:30:33.185]                           invokeRestart("muffleWarning")
[13:30:33.185]                       }
[13:30:33.185]                       else if (inherits(cond, "condition")) {
[13:30:33.185]                         if (!is.null(pattern)) {
[13:30:33.185]                           computeRestarts <- base::computeRestarts
[13:30:33.185]                           grepl <- base::grepl
[13:30:33.185]                           restarts <- computeRestarts(cond)
[13:30:33.185]                           for (restart in restarts) {
[13:30:33.185]                             name <- restart$name
[13:30:33.185]                             if (is.null(name)) 
[13:30:33.185]                               next
[13:30:33.185]                             if (!grepl(pattern, name)) 
[13:30:33.185]                               next
[13:30:33.185]                             invokeRestart(restart)
[13:30:33.185]                             muffled <- TRUE
[13:30:33.185]                             break
[13:30:33.185]                           }
[13:30:33.185]                         }
[13:30:33.185]                       }
[13:30:33.185]                       invisible(muffled)
[13:30:33.185]                     }
[13:30:33.185]                     muffleCondition(cond, pattern = "^muffle")
[13:30:33.185]                   }
[13:30:33.185]                 }
[13:30:33.185]                 else {
[13:30:33.185]                   if (TRUE) {
[13:30:33.185]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:30:33.185]                     {
[13:30:33.185]                       inherits <- base::inherits
[13:30:33.185]                       invokeRestart <- base::invokeRestart
[13:30:33.185]                       is.null <- base::is.null
[13:30:33.185]                       muffled <- FALSE
[13:30:33.185]                       if (inherits(cond, "message")) {
[13:30:33.185]                         muffled <- grepl(pattern, "muffleMessage")
[13:30:33.185]                         if (muffled) 
[13:30:33.185]                           invokeRestart("muffleMessage")
[13:30:33.185]                       }
[13:30:33.185]                       else if (inherits(cond, "warning")) {
[13:30:33.185]                         muffled <- grepl(pattern, "muffleWarning")
[13:30:33.185]                         if (muffled) 
[13:30:33.185]                           invokeRestart("muffleWarning")
[13:30:33.185]                       }
[13:30:33.185]                       else if (inherits(cond, "condition")) {
[13:30:33.185]                         if (!is.null(pattern)) {
[13:30:33.185]                           computeRestarts <- base::computeRestarts
[13:30:33.185]                           grepl <- base::grepl
[13:30:33.185]                           restarts <- computeRestarts(cond)
[13:30:33.185]                           for (restart in restarts) {
[13:30:33.185]                             name <- restart$name
[13:30:33.185]                             if (is.null(name)) 
[13:30:33.185]                               next
[13:30:33.185]                             if (!grepl(pattern, name)) 
[13:30:33.185]                               next
[13:30:33.185]                             invokeRestart(restart)
[13:30:33.185]                             muffled <- TRUE
[13:30:33.185]                             break
[13:30:33.185]                           }
[13:30:33.185]                         }
[13:30:33.185]                       }
[13:30:33.185]                       invisible(muffled)
[13:30:33.185]                     }
[13:30:33.185]                     muffleCondition(cond, pattern = "^muffle")
[13:30:33.185]                   }
[13:30:33.185]                 }
[13:30:33.185]             }
[13:30:33.185]         }))
[13:30:33.185]     }, error = function(ex) {
[13:30:33.185]         base::structure(base::list(value = NULL, visible = NULL, 
[13:30:33.185]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:30:33.185]                 ...future.rng), started = ...future.startTime, 
[13:30:33.185]             finished = Sys.time(), session_uuid = NA_character_, 
[13:30:33.185]             version = "1.8"), class = "FutureResult")
[13:30:33.185]     }, finally = {
[13:30:33.185]         if (!identical(...future.workdir, getwd())) 
[13:30:33.185]             setwd(...future.workdir)
[13:30:33.185]         {
[13:30:33.185]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:30:33.185]                 ...future.oldOptions$nwarnings <- NULL
[13:30:33.185]             }
[13:30:33.185]             base::options(...future.oldOptions)
[13:30:33.185]             if (.Platform$OS.type == "windows") {
[13:30:33.185]                 old_names <- names(...future.oldEnvVars)
[13:30:33.185]                 envs <- base::Sys.getenv()
[13:30:33.185]                 names <- names(envs)
[13:30:33.185]                 common <- intersect(names, old_names)
[13:30:33.185]                 added <- setdiff(names, old_names)
[13:30:33.185]                 removed <- setdiff(old_names, names)
[13:30:33.185]                 changed <- common[...future.oldEnvVars[common] != 
[13:30:33.185]                   envs[common]]
[13:30:33.185]                 NAMES <- toupper(changed)
[13:30:33.185]                 args <- list()
[13:30:33.185]                 for (kk in seq_along(NAMES)) {
[13:30:33.185]                   name <- changed[[kk]]
[13:30:33.185]                   NAME <- NAMES[[kk]]
[13:30:33.185]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:33.185]                     next
[13:30:33.185]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:30:33.185]                 }
[13:30:33.185]                 NAMES <- toupper(added)
[13:30:33.185]                 for (kk in seq_along(NAMES)) {
[13:30:33.185]                   name <- added[[kk]]
[13:30:33.185]                   NAME <- NAMES[[kk]]
[13:30:33.185]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:33.185]                     next
[13:30:33.185]                   args[[name]] <- ""
[13:30:33.185]                 }
[13:30:33.185]                 NAMES <- toupper(removed)
[13:30:33.185]                 for (kk in seq_along(NAMES)) {
[13:30:33.185]                   name <- removed[[kk]]
[13:30:33.185]                   NAME <- NAMES[[kk]]
[13:30:33.185]                   if (name != NAME && is.element(NAME, old_names)) 
[13:30:33.185]                     next
[13:30:33.185]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:30:33.185]                 }
[13:30:33.185]                 if (length(args) > 0) 
[13:30:33.185]                   base::do.call(base::Sys.setenv, args = args)
[13:30:33.185]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:30:33.185]             }
[13:30:33.185]             else {
[13:30:33.185]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:30:33.185]             }
[13:30:33.185]             {
[13:30:33.185]                 if (base::length(...future.futureOptionsAdded) > 
[13:30:33.185]                   0L) {
[13:30:33.185]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:30:33.185]                   base::names(opts) <- ...future.futureOptionsAdded
[13:30:33.185]                   base::options(opts)
[13:30:33.185]                 }
[13:30:33.185]                 {
[13:30:33.185]                   NULL
[13:30:33.185]                   options(future.plan = NULL)
[13:30:33.185]                   if (is.na(NA_character_)) 
[13:30:33.185]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:30:33.185]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:30:33.185]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:30:33.185]                     .init = FALSE)
[13:30:33.185]                 }
[13:30:33.185]             }
[13:30:33.185]         }
[13:30:33.185]     })
[13:30:33.185]     if (TRUE) {
[13:30:33.185]         base::sink(type = "output", split = FALSE)
[13:30:33.185]         if (TRUE) {
[13:30:33.185]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:30:33.185]         }
[13:30:33.185]         else {
[13:30:33.185]             ...future.result["stdout"] <- base::list(NULL)
[13:30:33.185]         }
[13:30:33.185]         base::close(...future.stdout)
[13:30:33.185]         ...future.stdout <- NULL
[13:30:33.185]     }
[13:30:33.185]     ...future.result$conditions <- ...future.conditions
[13:30:33.185]     ...future.result$finished <- base::Sys.time()
[13:30:33.185]     ...future.result
[13:30:33.185] }
[13:30:33.189] - Launch lazy future ... done
[13:30:33.189] run() for 'MiraiFuture' ... done
[13:30:33.189] - run() ... done
[13:30:33.189] - resolved() ...
[13:30:33.190] resolved() for 'MiraiFuture' ...
[13:30:33.190] - state: 'running'
[13:30:33.190] - run: TRUE
[13:30:33.190] - result: 'NULL'
[13:30:33.190] - resolved: FALSE
[13:30:33.190] resolved() for 'MiraiFuture' ... done
[13:30:33.191] - resolved: FALSE
[13:30:33.191] - resolved() ... done
[13:30:33.191] resolved() for 'MiraiFuture' ... done
[13:30:33.191] resolved() for 'MiraiFuture' ...
[13:30:33.191] - state: 'running'
[13:30:33.192] - run: TRUE
[13:30:33.192] - result: 'NULL'
[13:30:33.192] - resolved: FALSE
[13:30:33.192] resolved() for 'MiraiFuture' ... done
Plotting tile #1 of 4 ...
[13:30:33.193] signalConditions() ...
[13:30:33.193]  - include = 'immediateCondition'
[13:30:33.193]  - exclude = 
[13:30:33.193]  - resignal = FALSE
[13:30:33.193]  - Number of conditions: 2
[13:30:33.194] signalConditions() ... done
[13:30:33.194] Future state: 'finished'
[13:30:33.194] signalConditions() ...
[13:30:33.194]  - include = 'condition'
[13:30:33.194]  - exclude = 'immediateCondition'
[13:30:33.194]  - resignal = TRUE
[13:30:33.195]  - Number of conditions: 2
[13:30:33.195]  - Condition #1: 'simpleMessage', 'message', 'condition'
Calculating tile #1 of 4 ...[13:30:33.195]  - Condition #2: 'simpleMessage', 'message', 'condition'
 done
[13:30:33.195] signalConditions() ... done
[13:30:33.197] resolved() for 'MiraiFuture' ...
[13:30:33.197] - state: 'running'
[13:30:33.197] - run: TRUE
[13:30:33.198] - result: 'NULL'
[13:30:33.198] - resolved: FALSE
[13:30:33.198] resolved() for 'MiraiFuture' ... done
Plotting tile #2 of 4 ...
[13:30:33.198] signalConditions() ...
[13:30:33.199]  - include = 'immediateCondition'
[13:30:33.199]  - exclude = 
[13:30:33.199]  - resignal = FALSE
[13:30:33.199]  - Number of conditions: 2
[13:30:33.199] signalConditions() ... done
[13:30:33.200] Future state: 'finished'
[13:30:33.200] signalConditions() ...
[13:30:33.200]  - include = 'condition'
[13:30:33.200]  - exclude = 'immediateCondition'
[13:30:33.200]  - resignal = TRUE
[13:30:33.200]  - Number of conditions: 2
[13:30:33.201]  - Condition #1: 'simpleMessage', 'message', 'condition'
Calculating tile #2 of 4 ...[13:30:33.201]  - Condition #2: 'simpleMessage', 'message', 'condition'
 done
[13:30:33.201] signalConditions() ... done
[13:30:33.202] resolved() for 'MiraiFuture' ...
[13:30:33.202] - state: 'running'
[13:30:33.202] - run: TRUE
[13:30:33.202] - result: 'NULL'
[13:30:33.202] - resolved: FALSE
[13:30:33.203] resolved() for 'MiraiFuture' ... done
[13:30:33.203] resolved() for 'MiraiFuture' ...
[13:30:33.203] - state: 'running'
[13:30:33.203] - run: TRUE
[13:30:33.203] - result: 'NULL'
[13:30:33.204] - resolved: FALSE
[13:30:33.204] resolved() for 'MiraiFuture' ... done
[13:30:33.204] resolved() for 'MiraiFuture' ...
[13:30:33.204] - state: 'running'
[13:30:33.206] - run: TRUE
[13:30:33.206] - result: 'NULL'
[13:30:33.206] - resolved: FALSE
[13:30:33.207] resolved() for 'MiraiFuture' ... done
[13:30:33.207] resolved() for 'MiraiFuture' ...
[13:30:33.207] - state: 'running'
[13:30:33.207] - run: TRUE
[13:30:33.208] - result: 'NULL'
[13:30:33.208] - resolved: FALSE
[13:30:33.208] resolved() for 'MiraiFuture' ... done
[13:30:33.208] resolved() for 'MiraiFuture' ...
[13:30:33.208] - state: 'running'
[13:30:33.208] - run: TRUE
[13:30:33.209] - result: 'NULL'
[13:30:33.209] - resolved: FALSE
[13:30:33.209] resolved() for 'MiraiFuture' ... done
[13:30:33.209] resolved() for 'MiraiFuture' ...
[13:30:33.209] - state: 'running'
[13:30:33.210] - run: TRUE
[13:30:33.210] - result: 'NULL'
[13:30:33.210] - resolved: FALSE
[13:30:33.210] resolved() for 'MiraiFuture' ... done
[13:30:33.210] resolved() for 'MiraiFuture' ...
[13:30:33.210] - state: 'running'
[13:30:33.211] - run: TRUE
[13:30:33.211] - result: 'NULL'
[13:30:33.211] - resolved: FALSE
[13:30:33.211] resolved() for 'MiraiFuture' ... done
[13:30:33.211] resolved() for 'MiraiFuture' ...
[13:30:33.212] - state: 'running'
[13:30:33.212] - run: TRUE
[13:30:33.212] - result: 'NULL'
[13:30:33.212] - resolved: FALSE
[13:30:33.212] resolved() for 'MiraiFuture' ... done
[13:30:33.212] resolved() for 'MiraiFuture' ...
[13:30:33.213] - state: 'running'
[13:30:33.213] - run: TRUE
[13:30:33.213] - result: 'NULL'
[13:30:33.213] - resolved: FALSE
[13:30:33.213] resolved() for 'MiraiFuture' ... done
[13:30:33.214] resolved() for 'MiraiFuture' ...
[13:30:33.214] - state: 'running'
[13:30:33.214] - run: TRUE
[13:30:33.214] - result: 'NULL'
[13:30:33.214] - resolved: FALSE
[13:30:33.214] resolved() for 'MiraiFuture' ... done
[13:30:33.215] resolved() for 'MiraiFuture' ...
[13:30:33.215] - state: 'running'
[13:30:33.215] - run: TRUE
[13:30:33.215] - result: 'NULL'
[13:30:33.215] - resolved: FALSE
[13:30:33.216] resolved() for 'MiraiFuture' ... done
[13:30:33.216] resolved() for 'MiraiFuture' ...
[13:30:33.216] - state: 'running'
[13:30:33.216] - run: TRUE
[13:30:33.216] - result: 'NULL'
[13:30:33.216] - resolved: FALSE
[13:30:33.217] resolved() for 'MiraiFuture' ... done
[13:30:33.217] resolved() for 'MiraiFuture' ...
[13:30:33.217] - state: 'running'
[13:30:33.217] - run: TRUE
[13:30:33.217] - result: 'NULL'
[13:30:33.218] - resolved: FALSE
[13:30:33.218] resolved() for 'MiraiFuture' ... done
Plotting tile #3 of 4 ...
[13:30:33.218] signalConditions() ...
[13:30:33.218]  - include = 'immediateCondition'
[13:30:33.219]  - exclude = 
[13:30:33.219]  - resignal = FALSE
[13:30:33.219]  - Number of conditions: 2
[13:30:33.219] signalConditions() ... done
[13:30:33.219] Future state: 'finished'
[13:30:33.219] signalConditions() ...
[13:30:33.220]  - include = 'condition'
[13:30:33.220]  - exclude = 'immediateCondition'
[13:30:33.220]  - resignal = TRUE
[13:30:33.220]  - Number of conditions: 2
[13:30:33.220]  - Condition #1: 'simpleMessage', 'message', 'condition'
Calculating tile #3 of 4 ...[13:30:33.220]  - Condition #2: 'simpleMessage', 'message', 'condition'
 done
[13:30:33.221] signalConditions() ... done
[13:30:33.221] resolved() for 'MiraiFuture' ...
[13:30:33.222] - state: 'running'
[13:30:33.222] - run: TRUE
[13:30:33.222] - result: 'NULL'
[13:30:33.222] - resolved: FALSE
[13:30:33.222] resolved() for 'MiraiFuture' ... done
[13:30:33.222] resolved() for 'MiraiFuture' ...
[13:30:33.223] - state: 'running'
[13:30:33.223] - run: TRUE
[13:30:33.223] - result: 'NULL'
[13:30:33.223] - resolved: FALSE
[13:30:33.223] resolved() for 'MiraiFuture' ... done
[13:30:33.224] resolved() for 'MiraiFuture' ...
[13:30:33.224] - state: 'running'
[13:30:33.224] - run: TRUE
[13:30:33.224] - result: 'NULL'
[13:30:33.224] - resolved: FALSE
[13:30:33.224] resolved() for 'MiraiFuture' ... done
[13:30:33.225] resolved() for 'MiraiFuture' ...
[13:30:33.225] - state: 'running'
[13:30:33.225] - run: TRUE
[13:30:33.225] - result: 'NULL'
[13:30:33.225] - resolved: FALSE
[13:30:33.226] resolved() for 'MiraiFuture' ... done
[13:30:33.226] resolved() for 'MiraiFuture' ...
[13:30:33.226] - state: 'running'
[13:30:33.226] - run: TRUE
[13:30:33.226] - result: 'NULL'
[13:30:33.227] - resolved: FALSE
[13:30:33.227] resolved() for 'MiraiFuture' ... done
[13:30:33.227] resolved() for 'MiraiFuture' ...
[13:30:33.227] - state: 'running'
[13:30:33.227] - run: TRUE
[13:30:33.227] - result: 'NULL'
[13:30:33.228] - resolved: FALSE
[13:30:33.228] resolved() for 'MiraiFuture' ... done
[13:30:33.228] resolved() for 'MiraiFuture' ...
[13:30:33.228] - state: 'running'
[13:30:33.228] - run: TRUE
[13:30:33.229] - result: 'NULL'
[13:30:33.229] - resolved: FALSE
[13:30:33.229] resolved() for 'MiraiFuture' ... done
[13:30:33.229] resolved() for 'MiraiFuture' ...
[13:30:33.229] - state: 'running'
[13:30:33.229] - run: TRUE
[13:30:33.230] - result: 'NULL'
[13:30:33.230] - resolved: FALSE
[13:30:33.230] resolved() for 'MiraiFuture' ... done
[13:30:33.230] resolved() for 'MiraiFuture' ...
[13:30:33.230] - state: 'running'
[13:30:33.231] - run: TRUE
[13:30:33.231] - result: 'NULL'
[13:30:33.231] - resolved: FALSE
[13:30:33.231] resolved() for 'MiraiFuture' ... done
[13:30:33.231] resolved() for 'MiraiFuture' ...
[13:30:33.232] - state: 'running'
[13:30:33.232] - run: TRUE
[13:30:33.232] - result: 'NULL'
[13:30:33.232] - resolved: FALSE
[13:30:33.232] resolved() for 'MiraiFuture' ... done
[13:30:33.232] resolved() for 'MiraiFuture' ...
[13:30:33.233] - state: 'running'
[13:30:33.233] - run: TRUE
[13:30:33.233] - result: 'NULL'
[13:30:33.233] - resolved: FALSE
[13:30:33.233] resolved() for 'MiraiFuture' ... done
[13:30:33.234] resolved() for 'MiraiFuture' ...
[13:30:33.234] - state: 'running'
[13:30:33.234] - run: TRUE
[13:30:33.234] - result: 'NULL'
[13:30:33.234] - resolved: FALSE
[13:30:33.234] resolved() for 'MiraiFuture' ... done
Plotting tile #4 of 4 ...
[13:30:33.235] signalConditions() ...
[13:30:33.235]  - include = 'immediateCondition'
[13:30:33.235]  - exclude = 
[13:30:33.235]  - resignal = FALSE
[13:30:33.236]  - Number of conditions: 2
[13:30:33.236] signalConditions() ... done
[13:30:33.236] Future state: 'finished'
[13:30:33.236] signalConditions() ...
[13:30:33.236]  - include = 'condition'
[13:30:33.236]  - exclude = 'immediateCondition'
[13:30:33.237]  - resignal = TRUE
[13:30:33.237]  - Number of conditions: 2
[13:30:33.237]  - Condition #1: 'simpleMessage', 'message', 'condition'
Calculating tile #4 of 4 ...[13:30:33.237]  - Condition #2: 'simpleMessage', 'message', 'condition'
 done
[13:30:33.239] 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 
   0.53    0.14    1.03