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
[13:31:07.769] plan(): Setting new future strategy stack:
[13:31:07.770] List of future strategies:
[13:31:07.770] 1. mirai_multisession:
[13:31:07.770]    - args: function (expr, substitute = TRUE, envir = parent.frame(), ..., workers = availableCores())
[13:31:07.770]    - tweaked: FALSE
[13:31:07.770]    - call: future::plan(future.mirai::mirai_multisession)
[13:31:07.788] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ...
[13:31:07.788] < mirai | $data >
[13:31:07.795] getGlobalsAndPackages() ...
[13:31:07.795] Not searching for globals
[13:31:07.796] - globals: [0] <none>
[13:31:07.796] getGlobalsAndPackages() ... DONE
[13:31:07.797] getGlobalsAndPackages() ...
[13:31:07.797] 
[13:31:07.797] - globals: [0] <none>
[13:31:07.797] getGlobalsAndPackages() ... DONE
[13:31:08.079] Packages needed by the future expression (n = 0): <none>
[13:31:08.080] Packages needed by future strategies (n = 0): <none>
[13:31:08.081] {
[13:31:08.081]     {
[13:31:08.081]         {
[13:31:08.081]             ...future.startTime <- base::Sys.time()
[13:31:08.081]             {
[13:31:08.081]                 {
[13:31:08.081]                   {
[13:31:08.081]                     base::local({
[13:31:08.081]                       has_future <- base::requireNamespace("future", 
[13:31:08.081]                         quietly = TRUE)
[13:31:08.081]                       if (has_future) {
[13:31:08.081]                         ns <- base::getNamespace("future")
[13:31:08.081]                         version <- ns[[".package"]][["version"]]
[13:31:08.081]                         if (is.null(version)) 
[13:31:08.081]                           version <- utils::packageVersion("future")
[13:31:08.081]                       }
[13:31:08.081]                       else {
[13:31:08.081]                         version <- NULL
[13:31:08.081]                       }
[13:31:08.081]                       if (!has_future || version < "1.8.0") {
[13:31:08.081]                         info <- base::c(r_version = base::gsub("R version ", 
[13:31:08.081]                           "", base::R.version$version.string), 
[13:31:08.081]                           platform = base::sprintf("%s (%s-bit)", 
[13:31:08.081]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:31:08.081]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:31:08.081]                             "release", "version")], collapse = " "), 
[13:31:08.081]                           hostname = base::Sys.info()[["nodename"]])
[13:31:08.081]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:31:08.081]                           info)
[13:31:08.081]                         info <- base::paste(info, collapse = "; ")
[13:31:08.081]                         if (!has_future) {
[13:31:08.081]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:31:08.081]                             info)
[13:31:08.081]                         }
[13:31:08.081]                         else {
[13:31:08.081]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:31:08.081]                             info, version)
[13:31:08.081]                         }
[13:31:08.081]                         base::stop(msg)
[13:31:08.081]                       }
[13:31:08.081]                     })
[13:31:08.081]                   }
[13:31:08.081]                   ...future.strategy.old <- future::plan("list")
[13:31:08.081]                   options(future.plan = NULL)
[13:31:08.081]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.081]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:31:08.081]                 }
[13:31:08.081]                 ...future.workdir <- getwd()
[13:31:08.081]             }
[13:31:08.081]             ...future.oldOptions <- base::as.list(base::.Options)
[13:31:08.081]             ...future.oldEnvVars <- base::Sys.getenv()
[13:31:08.081]         }
[13:31:08.081]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:31:08.081]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:31:08.081]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:31:08.081]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:31:08.081]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:31:08.081]             future.stdout.windows.reencode = NULL, width = 80L)
[13:31:08.081]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:31:08.081]             base::names(...future.oldOptions))
[13:31:08.081]     }
[13:31:08.081]     if (FALSE) {
[13:31:08.081]     }
[13:31:08.081]     else {
[13:31:08.081]         if (TRUE) {
[13:31:08.081]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:31:08.081]                 open = "w")
[13:31:08.081]         }
[13:31:08.081]         else {
[13:31:08.081]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:31:08.081]                 windows = "NUL", "/dev/null"), open = "w")
[13:31:08.081]         }
[13:31:08.081]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:31:08.081]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:31:08.081]             base::sink(type = "output", split = FALSE)
[13:31:08.081]             base::close(...future.stdout)
[13:31:08.081]         }, add = TRUE)
[13:31:08.081]     }
[13:31:08.081]     ...future.frame <- base::sys.nframe()
[13:31:08.081]     ...future.conditions <- base::list()
[13:31:08.081]     ...future.rng <- base::globalenv()$.Random.seed
[13:31:08.081]     if (FALSE) {
[13:31:08.081]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:31:08.081]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:31:08.081]     }
[13:31:08.081]     ...future.result <- base::tryCatch({
[13:31:08.081]         base::withCallingHandlers({
[13:31:08.081]             ...future.value <- base::withVisible(base::local(NA))
[13:31:08.081]             future::FutureResult(value = ...future.value$value, 
[13:31:08.081]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.081]                   ...future.rng), globalenv = if (FALSE) 
[13:31:08.081]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:31:08.081]                     ...future.globalenv.names))
[13:31:08.081]                 else NULL, started = ...future.startTime, version = "1.8")
[13:31:08.081]         }, condition = base::local({
[13:31:08.081]             c <- base::c
[13:31:08.081]             inherits <- base::inherits
[13:31:08.081]             invokeRestart <- base::invokeRestart
[13:31:08.081]             length <- base::length
[13:31:08.081]             list <- base::list
[13:31:08.081]             seq.int <- base::seq.int
[13:31:08.081]             signalCondition <- base::signalCondition
[13:31:08.081]             sys.calls <- base::sys.calls
[13:31:08.081]             `[[` <- base::`[[`
[13:31:08.081]             `+` <- base::`+`
[13:31:08.081]             `<<-` <- base::`<<-`
[13:31:08.081]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:31:08.081]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:31:08.081]                   3L)]
[13:31:08.081]             }
[13:31:08.081]             function(cond) {
[13:31:08.081]                 is_error <- inherits(cond, "error")
[13:31:08.081]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:31:08.081]                   NULL)
[13:31:08.081]                 if (is_error) {
[13:31:08.081]                   sessionInformation <- function() {
[13:31:08.081]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:31:08.081]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:31:08.081]                       search = base::search(), system = base::Sys.info())
[13:31:08.081]                   }
[13:31:08.081]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.081]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:31:08.081]                     cond$call), session = sessionInformation(), 
[13:31:08.081]                     timestamp = base::Sys.time(), signaled = 0L)
[13:31:08.081]                   signalCondition(cond)
[13:31:08.081]                 }
[13:31:08.081]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:31:08.081]                   signal <- FALSE && inherits(cond, character(0))
[13:31:08.081]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.081]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:31:08.081]                   if (FALSE && !signal) {
[13:31:08.081]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.081]                     {
[13:31:08.081]                       inherits <- base::inherits
[13:31:08.081]                       invokeRestart <- base::invokeRestart
[13:31:08.081]                       is.null <- base::is.null
[13:31:08.081]                       muffled <- FALSE
[13:31:08.081]                       if (inherits(cond, "message")) {
[13:31:08.081]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.081]                         if (muffled) 
[13:31:08.081]                           invokeRestart("muffleMessage")
[13:31:08.081]                       }
[13:31:08.081]                       else if (inherits(cond, "warning")) {
[13:31:08.081]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.081]                         if (muffled) 
[13:31:08.081]                           invokeRestart("muffleWarning")
[13:31:08.081]                       }
[13:31:08.081]                       else if (inherits(cond, "condition")) {
[13:31:08.081]                         if (!is.null(pattern)) {
[13:31:08.081]                           computeRestarts <- base::computeRestarts
[13:31:08.081]                           grepl <- base::grepl
[13:31:08.081]                           restarts <- computeRestarts(cond)
[13:31:08.081]                           for (restart in restarts) {
[13:31:08.081]                             name <- restart$name
[13:31:08.081]                             if (is.null(name)) 
[13:31:08.081]                               next
[13:31:08.081]                             if (!grepl(pattern, name)) 
[13:31:08.081]                               next
[13:31:08.081]                             invokeRestart(restart)
[13:31:08.081]                             muffled <- TRUE
[13:31:08.081]                             break
[13:31:08.081]                           }
[13:31:08.081]                         }
[13:31:08.081]                       }
[13:31:08.081]                       invisible(muffled)
[13:31:08.081]                     }
[13:31:08.081]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.081]                   }
[13:31:08.081]                 }
[13:31:08.081]                 else {
[13:31:08.081]                   if (TRUE) {
[13:31:08.081]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.081]                     {
[13:31:08.081]                       inherits <- base::inherits
[13:31:08.081]                       invokeRestart <- base::invokeRestart
[13:31:08.081]                       is.null <- base::is.null
[13:31:08.081]                       muffled <- FALSE
[13:31:08.081]                       if (inherits(cond, "message")) {
[13:31:08.081]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.081]                         if (muffled) 
[13:31:08.081]                           invokeRestart("muffleMessage")
[13:31:08.081]                       }
[13:31:08.081]                       else if (inherits(cond, "warning")) {
[13:31:08.081]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.081]                         if (muffled) 
[13:31:08.081]                           invokeRestart("muffleWarning")
[13:31:08.081]                       }
[13:31:08.081]                       else if (inherits(cond, "condition")) {
[13:31:08.081]                         if (!is.null(pattern)) {
[13:31:08.081]                           computeRestarts <- base::computeRestarts
[13:31:08.081]                           grepl <- base::grepl
[13:31:08.081]                           restarts <- computeRestarts(cond)
[13:31:08.081]                           for (restart in restarts) {
[13:31:08.081]                             name <- restart$name
[13:31:08.081]                             if (is.null(name)) 
[13:31:08.081]                               next
[13:31:08.081]                             if (!grepl(pattern, name)) 
[13:31:08.081]                               next
[13:31:08.081]                             invokeRestart(restart)
[13:31:08.081]                             muffled <- TRUE
[13:31:08.081]                             break
[13:31:08.081]                           }
[13:31:08.081]                         }
[13:31:08.081]                       }
[13:31:08.081]                       invisible(muffled)
[13:31:08.081]                     }
[13:31:08.081]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.081]                   }
[13:31:08.081]                 }
[13:31:08.081]             }
[13:31:08.081]         }))
[13:31:08.081]     }, error = function(ex) {
[13:31:08.081]         base::structure(base::list(value = NULL, visible = NULL, 
[13:31:08.081]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.081]                 ...future.rng), started = ...future.startTime, 
[13:31:08.081]             finished = Sys.time(), session_uuid = NA_character_, 
[13:31:08.081]             version = "1.8"), class = "FutureResult")
[13:31:08.081]     }, finally = {
[13:31:08.081]         if (!identical(...future.workdir, getwd())) 
[13:31:08.081]             setwd(...future.workdir)
[13:31:08.081]         {
[13:31:08.081]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:31:08.081]                 ...future.oldOptions$nwarnings <- NULL
[13:31:08.081]             }
[13:31:08.081]             base::options(...future.oldOptions)
[13:31:08.081]             if (.Platform$OS.type == "windows") {
[13:31:08.081]                 old_names <- names(...future.oldEnvVars)
[13:31:08.081]                 envs <- base::Sys.getenv()
[13:31:08.081]                 names <- names(envs)
[13:31:08.081]                 common <- intersect(names, old_names)
[13:31:08.081]                 added <- setdiff(names, old_names)
[13:31:08.081]                 removed <- setdiff(old_names, names)
[13:31:08.081]                 changed <- common[...future.oldEnvVars[common] != 
[13:31:08.081]                   envs[common]]
[13:31:08.081]                 NAMES <- toupper(changed)
[13:31:08.081]                 args <- list()
[13:31:08.081]                 for (kk in seq_along(NAMES)) {
[13:31:08.081]                   name <- changed[[kk]]
[13:31:08.081]                   NAME <- NAMES[[kk]]
[13:31:08.081]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.081]                     next
[13:31:08.081]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.081]                 }
[13:31:08.081]                 NAMES <- toupper(added)
[13:31:08.081]                 for (kk in seq_along(NAMES)) {
[13:31:08.081]                   name <- added[[kk]]
[13:31:08.081]                   NAME <- NAMES[[kk]]
[13:31:08.081]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.081]                     next
[13:31:08.081]                   args[[name]] <- ""
[13:31:08.081]                 }
[13:31:08.081]                 NAMES <- toupper(removed)
[13:31:08.081]                 for (kk in seq_along(NAMES)) {
[13:31:08.081]                   name <- removed[[kk]]
[13:31:08.081]                   NAME <- NAMES[[kk]]
[13:31:08.081]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.081]                     next
[13:31:08.081]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.081]                 }
[13:31:08.081]                 if (length(args) > 0) 
[13:31:08.081]                   base::do.call(base::Sys.setenv, args = args)
[13:31:08.081]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:31:08.081]             }
[13:31:08.081]             else {
[13:31:08.081]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:31:08.081]             }
[13:31:08.081]             {
[13:31:08.081]                 if (base::length(...future.futureOptionsAdded) > 
[13:31:08.081]                   0L) {
[13:31:08.081]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:31:08.081]                   base::names(opts) <- ...future.futureOptionsAdded
[13:31:08.081]                   base::options(opts)
[13:31:08.081]                 }
[13:31:08.081]                 {
[13:31:08.081]                   NULL
[13:31:08.081]                   options(future.plan = NULL)
[13:31:08.081]                   if (is.na(NA_character_)) 
[13:31:08.081]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.081]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:31:08.081]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:31:08.081]                     .init = FALSE)
[13:31:08.081]                 }
[13:31:08.081]             }
[13:31:08.081]         }
[13:31:08.081]     })
[13:31:08.081]     if (TRUE) {
[13:31:08.081]         base::sink(type = "output", split = FALSE)
[13:31:08.081]         if (TRUE) {
[13:31:08.081]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:31:08.081]         }
[13:31:08.081]         else {
[13:31:08.081]             ...future.result["stdout"] <- base::list(NULL)
[13:31:08.081]         }
[13:31:08.081]         base::close(...future.stdout)
[13:31:08.081]         ...future.stdout <- NULL
[13:31:08.081]     }
[13:31:08.081]     ...future.result$conditions <- ...future.conditions
[13:31:08.081]     ...future.result$finished <- base::Sys.time()
[13:31:08.081]     ...future.result
[13:31:08.081] }
[13:31:08.183] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ... DONE
[13:31:08.184] plan(): nbrOfWorkers() = 2
> 
> plan(mirai_multisession)
[13:31:08.185] plan(): Setting new future strategy stack:
[13:31:08.185] List of future strategies:
[13:31:08.185] 1. mirai_multisession:
[13:31:08.185]    - args: function (expr, substitute = TRUE, envir = parent.frame(), ..., workers = availableCores())
[13:31:08.185]    - tweaked: FALSE
[13:31:08.185]    - call: plan(mirai_multisession)
[13:31:08.198] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ...
[13:31:08.199] < mirai | $data >
[13:31:08.201] getGlobalsAndPackages() ...
[13:31:08.201] Not searching for globals
[13:31:08.202] - globals: [0] <none>
[13:31:08.202] getGlobalsAndPackages() ... DONE
[13:31:08.202] getGlobalsAndPackages() ...
[13:31:08.202] 
[13:31:08.202] - globals: [0] <none>
[13:31:08.202] getGlobalsAndPackages() ... DONE
[13:31:08.203] Packages needed by the future expression (n = 0): <none>
[13:31:08.203] Packages needed by future strategies (n = 0): <none>
[13:31:08.204] {
[13:31:08.204]     {
[13:31:08.204]         {
[13:31:08.204]             ...future.startTime <- base::Sys.time()
[13:31:08.204]             {
[13:31:08.204]                 {
[13:31:08.204]                   {
[13:31:08.204]                     base::local({
[13:31:08.204]                       has_future <- base::requireNamespace("future", 
[13:31:08.204]                         quietly = TRUE)
[13:31:08.204]                       if (has_future) {
[13:31:08.204]                         ns <- base::getNamespace("future")
[13:31:08.204]                         version <- ns[[".package"]][["version"]]
[13:31:08.204]                         if (is.null(version)) 
[13:31:08.204]                           version <- utils::packageVersion("future")
[13:31:08.204]                       }
[13:31:08.204]                       else {
[13:31:08.204]                         version <- NULL
[13:31:08.204]                       }
[13:31:08.204]                       if (!has_future || version < "1.8.0") {
[13:31:08.204]                         info <- base::c(r_version = base::gsub("R version ", 
[13:31:08.204]                           "", base::R.version$version.string), 
[13:31:08.204]                           platform = base::sprintf("%s (%s-bit)", 
[13:31:08.204]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:31:08.204]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:31:08.204]                             "release", "version")], collapse = " "), 
[13:31:08.204]                           hostname = base::Sys.info()[["nodename"]])
[13:31:08.204]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:31:08.204]                           info)
[13:31:08.204]                         info <- base::paste(info, collapse = "; ")
[13:31:08.204]                         if (!has_future) {
[13:31:08.204]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:31:08.204]                             info)
[13:31:08.204]                         }
[13:31:08.204]                         else {
[13:31:08.204]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:31:08.204]                             info, version)
[13:31:08.204]                         }
[13:31:08.204]                         base::stop(msg)
[13:31:08.204]                       }
[13:31:08.204]                     })
[13:31:08.204]                   }
[13:31:08.204]                   ...future.strategy.old <- future::plan("list")
[13:31:08.204]                   options(future.plan = NULL)
[13:31:08.204]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.204]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:31:08.204]                 }
[13:31:08.204]                 ...future.workdir <- getwd()
[13:31:08.204]             }
[13:31:08.204]             ...future.oldOptions <- base::as.list(base::.Options)
[13:31:08.204]             ...future.oldEnvVars <- base::Sys.getenv()
[13:31:08.204]         }
[13:31:08.204]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[13:31:08.204]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:31:08.204]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[13:31:08.204]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[13:31:08.204]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:31:08.204]             future.stdout.windows.reencode = NULL, width = 80L)
[13:31:08.204]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:31:08.204]             base::names(...future.oldOptions))
[13:31:08.204]     }
[13:31:08.204]     if (FALSE) {
[13:31:08.204]     }
[13:31:08.204]     else {
[13:31:08.204]         if (TRUE) {
[13:31:08.204]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:31:08.204]                 open = "w")
[13:31:08.204]         }
[13:31:08.204]         else {
[13:31:08.204]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:31:08.204]                 windows = "NUL", "/dev/null"), open = "w")
[13:31:08.204]         }
[13:31:08.204]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:31:08.204]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:31:08.204]             base::sink(type = "output", split = FALSE)
[13:31:08.204]             base::close(...future.stdout)
[13:31:08.204]         }, add = TRUE)
[13:31:08.204]     }
[13:31:08.204]     ...future.frame <- base::sys.nframe()
[13:31:08.204]     ...future.conditions <- base::list()
[13:31:08.204]     ...future.rng <- base::globalenv()$.Random.seed
[13:31:08.204]     if (FALSE) {
[13:31:08.204]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:31:08.204]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:31:08.204]     }
[13:31:08.204]     ...future.result <- base::tryCatch({
[13:31:08.204]         base::withCallingHandlers({
[13:31:08.204]             ...future.value <- base::withVisible(base::local(NA))
[13:31:08.204]             future::FutureResult(value = ...future.value$value, 
[13:31:08.204]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.204]                   ...future.rng), globalenv = if (FALSE) 
[13:31:08.204]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:31:08.204]                     ...future.globalenv.names))
[13:31:08.204]                 else NULL, started = ...future.startTime, version = "1.8")
[13:31:08.204]         }, condition = base::local({
[13:31:08.204]             c <- base::c
[13:31:08.204]             inherits <- base::inherits
[13:31:08.204]             invokeRestart <- base::invokeRestart
[13:31:08.204]             length <- base::length
[13:31:08.204]             list <- base::list
[13:31:08.204]             seq.int <- base::seq.int
[13:31:08.204]             signalCondition <- base::signalCondition
[13:31:08.204]             sys.calls <- base::sys.calls
[13:31:08.204]             `[[` <- base::`[[`
[13:31:08.204]             `+` <- base::`+`
[13:31:08.204]             `<<-` <- base::`<<-`
[13:31:08.204]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:31:08.204]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:31:08.204]                   3L)]
[13:31:08.204]             }
[13:31:08.204]             function(cond) {
[13:31:08.204]                 is_error <- inherits(cond, "error")
[13:31:08.204]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:31:08.204]                   NULL)
[13:31:08.204]                 if (is_error) {
[13:31:08.204]                   sessionInformation <- function() {
[13:31:08.204]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:31:08.204]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:31:08.204]                       search = base::search(), system = base::Sys.info())
[13:31:08.204]                   }
[13:31:08.204]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.204]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:31:08.204]                     cond$call), session = sessionInformation(), 
[13:31:08.204]                     timestamp = base::Sys.time(), signaled = 0L)
[13:31:08.204]                   signalCondition(cond)
[13:31:08.204]                 }
[13:31:08.204]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:31:08.204]                   signal <- FALSE && inherits(cond, character(0))
[13:31:08.204]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.204]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:31:08.204]                   if (FALSE && !signal) {
[13:31:08.204]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.204]                     {
[13:31:08.204]                       inherits <- base::inherits
[13:31:08.204]                       invokeRestart <- base::invokeRestart
[13:31:08.204]                       is.null <- base::is.null
[13:31:08.204]                       muffled <- FALSE
[13:31:08.204]                       if (inherits(cond, "message")) {
[13:31:08.204]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.204]                         if (muffled) 
[13:31:08.204]                           invokeRestart("muffleMessage")
[13:31:08.204]                       }
[13:31:08.204]                       else if (inherits(cond, "warning")) {
[13:31:08.204]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.204]                         if (muffled) 
[13:31:08.204]                           invokeRestart("muffleWarning")
[13:31:08.204]                       }
[13:31:08.204]                       else if (inherits(cond, "condition")) {
[13:31:08.204]                         if (!is.null(pattern)) {
[13:31:08.204]                           computeRestarts <- base::computeRestarts
[13:31:08.204]                           grepl <- base::grepl
[13:31:08.204]                           restarts <- computeRestarts(cond)
[13:31:08.204]                           for (restart in restarts) {
[13:31:08.204]                             name <- restart$name
[13:31:08.204]                             if (is.null(name)) 
[13:31:08.204]                               next
[13:31:08.204]                             if (!grepl(pattern, name)) 
[13:31:08.204]                               next
[13:31:08.204]                             invokeRestart(restart)
[13:31:08.204]                             muffled <- TRUE
[13:31:08.204]                             break
[13:31:08.204]                           }
[13:31:08.204]                         }
[13:31:08.204]                       }
[13:31:08.204]                       invisible(muffled)
[13:31:08.204]                     }
[13:31:08.204]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.204]                   }
[13:31:08.204]                 }
[13:31:08.204]                 else {
[13:31:08.204]                   if (TRUE) {
[13:31:08.204]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.204]                     {
[13:31:08.204]                       inherits <- base::inherits
[13:31:08.204]                       invokeRestart <- base::invokeRestart
[13:31:08.204]                       is.null <- base::is.null
[13:31:08.204]                       muffled <- FALSE
[13:31:08.204]                       if (inherits(cond, "message")) {
[13:31:08.204]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.204]                         if (muffled) 
[13:31:08.204]                           invokeRestart("muffleMessage")
[13:31:08.204]                       }
[13:31:08.204]                       else if (inherits(cond, "warning")) {
[13:31:08.204]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.204]                         if (muffled) 
[13:31:08.204]                           invokeRestart("muffleWarning")
[13:31:08.204]                       }
[13:31:08.204]                       else if (inherits(cond, "condition")) {
[13:31:08.204]                         if (!is.null(pattern)) {
[13:31:08.204]                           computeRestarts <- base::computeRestarts
[13:31:08.204]                           grepl <- base::grepl
[13:31:08.204]                           restarts <- computeRestarts(cond)
[13:31:08.204]                           for (restart in restarts) {
[13:31:08.204]                             name <- restart$name
[13:31:08.204]                             if (is.null(name)) 
[13:31:08.204]                               next
[13:31:08.204]                             if (!grepl(pattern, name)) 
[13:31:08.204]                               next
[13:31:08.204]                             invokeRestart(restart)
[13:31:08.204]                             muffled <- TRUE
[13:31:08.204]                             break
[13:31:08.204]                           }
[13:31:08.204]                         }
[13:31:08.204]                       }
[13:31:08.204]                       invisible(muffled)
[13:31:08.204]                     }
[13:31:08.204]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.204]                   }
[13:31:08.204]                 }
[13:31:08.204]             }
[13:31:08.204]         }))
[13:31:08.204]     }, error = function(ex) {
[13:31:08.204]         base::structure(base::list(value = NULL, visible = NULL, 
[13:31:08.204]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.204]                 ...future.rng), started = ...future.startTime, 
[13:31:08.204]             finished = Sys.time(), session_uuid = NA_character_, 
[13:31:08.204]             version = "1.8"), class = "FutureResult")
[13:31:08.204]     }, finally = {
[13:31:08.204]         if (!identical(...future.workdir, getwd())) 
[13:31:08.204]             setwd(...future.workdir)
[13:31:08.204]         {
[13:31:08.204]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:31:08.204]                 ...future.oldOptions$nwarnings <- NULL
[13:31:08.204]             }
[13:31:08.204]             base::options(...future.oldOptions)
[13:31:08.204]             if (.Platform$OS.type == "windows") {
[13:31:08.204]                 old_names <- names(...future.oldEnvVars)
[13:31:08.204]                 envs <- base::Sys.getenv()
[13:31:08.204]                 names <- names(envs)
[13:31:08.204]                 common <- intersect(names, old_names)
[13:31:08.204]                 added <- setdiff(names, old_names)
[13:31:08.204]                 removed <- setdiff(old_names, names)
[13:31:08.204]                 changed <- common[...future.oldEnvVars[common] != 
[13:31:08.204]                   envs[common]]
[13:31:08.204]                 NAMES <- toupper(changed)
[13:31:08.204]                 args <- list()
[13:31:08.204]                 for (kk in seq_along(NAMES)) {
[13:31:08.204]                   name <- changed[[kk]]
[13:31:08.204]                   NAME <- NAMES[[kk]]
[13:31:08.204]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.204]                     next
[13:31:08.204]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.204]                 }
[13:31:08.204]                 NAMES <- toupper(added)
[13:31:08.204]                 for (kk in seq_along(NAMES)) {
[13:31:08.204]                   name <- added[[kk]]
[13:31:08.204]                   NAME <- NAMES[[kk]]
[13:31:08.204]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.204]                     next
[13:31:08.204]                   args[[name]] <- ""
[13:31:08.204]                 }
[13:31:08.204]                 NAMES <- toupper(removed)
[13:31:08.204]                 for (kk in seq_along(NAMES)) {
[13:31:08.204]                   name <- removed[[kk]]
[13:31:08.204]                   NAME <- NAMES[[kk]]
[13:31:08.204]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.204]                     next
[13:31:08.204]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.204]                 }
[13:31:08.204]                 if (length(args) > 0) 
[13:31:08.204]                   base::do.call(base::Sys.setenv, args = args)
[13:31:08.204]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:31:08.204]             }
[13:31:08.204]             else {
[13:31:08.204]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:31:08.204]             }
[13:31:08.204]             {
[13:31:08.204]                 if (base::length(...future.futureOptionsAdded) > 
[13:31:08.204]                   0L) {
[13:31:08.204]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:31:08.204]                   base::names(opts) <- ...future.futureOptionsAdded
[13:31:08.204]                   base::options(opts)
[13:31:08.204]                 }
[13:31:08.204]                 {
[13:31:08.204]                   NULL
[13:31:08.204]                   options(future.plan = NULL)
[13:31:08.204]                   if (is.na(NA_character_)) 
[13:31:08.204]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.204]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:31:08.204]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:31:08.204]                     .init = FALSE)
[13:31:08.204]                 }
[13:31:08.204]             }
[13:31:08.204]         }
[13:31:08.204]     })
[13:31:08.204]     if (TRUE) {
[13:31:08.204]         base::sink(type = "output", split = FALSE)
[13:31:08.204]         if (TRUE) {
[13:31:08.204]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:31:08.204]         }
[13:31:08.204]         else {
[13:31:08.204]             ...future.result["stdout"] <- base::list(NULL)
[13:31:08.204]         }
[13:31:08.204]         base::close(...future.stdout)
[13:31:08.204]         ...future.stdout <- NULL
[13:31:08.204]     }
[13:31:08.204]     ...future.result$conditions <- ...future.conditions
[13:31:08.204]     ...future.result$finished <- base::Sys.time()
[13:31:08.204]     ...future.result
[13:31:08.204] }
[13:31:08.304] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ... DONE
[13:31:08.304] plan(): nbrOfWorkers() = 2
> 
> oopts <- c(oopts, options(
+   future.globals.resolve = TRUE,
+   future.globals.onMissing = "error"
+ ))
> 
> 
> message("*** Globals - subassignments ...")
*** Globals - subassignments ...
> 
> message("*** Globals - subassignments w/ x$a <- value ...")
*** Globals - subassignments w/ x$a <- value ...
> 
> ## Truth:
> x <- x0 <- list()
> y0 <- list(a = 1)
> str(list(x = x, y0 = y0))
List of 2
 $ x : list()
 $ y0:List of 1
  ..$ a: num 1
> 
> y <- local({
+   x$a <- 1
+   x
+ })
> stopifnot(identical(y, y0))
> 
> y <- local({
+   x[["a"]] <- 1
+   x
+ })
> stopifnot(identical(y, y0))
> 
> y <- local({
+   x["a"] <- list(1)
+   x
+ })
> stopifnot(identical(y, y0))
> 
> stopifnot(identical(x, list()))
> 
> ## Explicit future
> x <- list()
> f <- future({
+   x$a <- 1
+   x
+ })
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[13:31:08.310] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[13:31:08.310] Searching for globals...
[13:31:08.321] - globals found: [5] '{', 'x', '<-', '$', '$<-'
[13:31:08.322] Searching for globals ... DONE
[13:31:08.322] Resolving globals: TRUE
[13:31:08.322] Resolving any globals that are futures ...
[13:31:08.322] - globals: [5] '{', 'x', '<-', '$', '$<-'
[13:31:08.322] Resolving any globals that are futures ... DONE
[13:31:08.323] Resolving futures part of globals (recursively) ...
[13:31:08.324] resolve() on list ...
[13:31:08.324]  recursive: 99
[13:31:08.324]  length: 1
[13:31:08.324]  elements: 'x'
[13:31:08.325]  length: 0 (resolved future 1)
[13:31:08.325] resolve() on list ... DONE
[13:31:08.325] - globals: [1] 'x'
[13:31:08.325] Resolving futures part of globals (recursively) ... DONE
[13:31:08.326] The total size of the 1 globals is 0 bytes (0 bytes)
[13:31:08.326] The total size of the 1 globals exported for future expression ('{; x$a <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[13:31:08.326] - globals: [1] 'x'
[13:31:08.327] 
[13:31:08.327] getGlobalsAndPackages() ... DONE
[13:31:08.327] run() for 'Future' ...
[13:31:08.328] - state: 'created'
[13:31:08.328] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:31:08.330] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:31:08.330] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:31:08.331]   - Field: 'label'
[13:31:08.331]   - Field: 'local'
[13:31:08.331]   - Field: 'owner'
[13:31:08.331]   - Field: 'envir'
[13:31:08.331]   - Field: 'packages'
[13:31:08.331]   - Field: 'gc'
[13:31:08.332]   - Field: 'conditions'
[13:31:08.332]   - Field: 'expr'
[13:31:08.332]   - Field: 'uuid'
[13:31:08.332]   - Field: 'seed'
[13:31:08.332]   - Field: 'version'
[13:31:08.332]   - Field: 'result'
[13:31:08.333]   - Field: 'asynchronous'
[13:31:08.333]   - Field: 'calls'
[13:31:08.333]   - Field: 'globals'
[13:31:08.333]   - Field: 'stdout'
[13:31:08.333]   - Field: 'earlySignal'
[13:31:08.334]   - Field: 'lazy'
[13:31:08.334]   - Field: 'state'
[13:31:08.334]   - Field: '.cluster'
[13:31:08.334] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:31:08.334] - Launch lazy future ...
[13:31:08.334] Packages needed by the future expression (n = 0): <none>
[13:31:08.335] Packages needed by future strategies (n = 0): <none>
[13:31:08.335] {
[13:31:08.335]     {
[13:31:08.335]         {
[13:31:08.335]             ...future.startTime <- base::Sys.time()
[13:31:08.335]             {
[13:31:08.335]                 {
[13:31:08.335]                   {
[13:31:08.335]                     base::local({
[13:31:08.335]                       has_future <- base::requireNamespace("future", 
[13:31:08.335]                         quietly = TRUE)
[13:31:08.335]                       if (has_future) {
[13:31:08.335]                         ns <- base::getNamespace("future")
[13:31:08.335]                         version <- ns[[".package"]][["version"]]
[13:31:08.335]                         if (is.null(version)) 
[13:31:08.335]                           version <- utils::packageVersion("future")
[13:31:08.335]                       }
[13:31:08.335]                       else {
[13:31:08.335]                         version <- NULL
[13:31:08.335]                       }
[13:31:08.335]                       if (!has_future || version < "1.8.0") {
[13:31:08.335]                         info <- base::c(r_version = base::gsub("R version ", 
[13:31:08.335]                           "", base::R.version$version.string), 
[13:31:08.335]                           platform = base::sprintf("%s (%s-bit)", 
[13:31:08.335]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:31:08.335]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:31:08.335]                             "release", "version")], collapse = " "), 
[13:31:08.335]                           hostname = base::Sys.info()[["nodename"]])
[13:31:08.335]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:31:08.335]                           info)
[13:31:08.335]                         info <- base::paste(info, collapse = "; ")
[13:31:08.335]                         if (!has_future) {
[13:31:08.335]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:31:08.335]                             info)
[13:31:08.335]                         }
[13:31:08.335]                         else {
[13:31:08.335]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:31:08.335]                             info, version)
[13:31:08.335]                         }
[13:31:08.335]                         base::stop(msg)
[13:31:08.335]                       }
[13:31:08.335]                     })
[13:31:08.335]                   }
[13:31:08.335]                   ...future.strategy.old <- future::plan("list")
[13:31:08.335]                   options(future.plan = NULL)
[13:31:08.335]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.335]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:31:08.335]                 }
[13:31:08.335]                 ...future.workdir <- getwd()
[13:31:08.335]             }
[13:31:08.335]             ...future.oldOptions <- base::as.list(base::.Options)
[13:31:08.335]             ...future.oldEnvVars <- base::Sys.getenv()
[13:31:08.335]         }
[13:31:08.335]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[13:31:08.335]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:31:08.335]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[13:31:08.335]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[13:31:08.335]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:31:08.335]             future.stdout.windows.reencode = NULL, width = 80L)
[13:31:08.335]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:31:08.335]             base::names(...future.oldOptions))
[13:31:08.335]     }
[13:31:08.335]     if (FALSE) {
[13:31:08.335]     }
[13:31:08.335]     else {
[13:31:08.335]         if (TRUE) {
[13:31:08.335]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:31:08.335]                 open = "w")
[13:31:08.335]         }
[13:31:08.335]         else {
[13:31:08.335]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:31:08.335]                 windows = "NUL", "/dev/null"), open = "w")
[13:31:08.335]         }
[13:31:08.335]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:31:08.335]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:31:08.335]             base::sink(type = "output", split = FALSE)
[13:31:08.335]             base::close(...future.stdout)
[13:31:08.335]         }, add = TRUE)
[13:31:08.335]     }
[13:31:08.335]     ...future.frame <- base::sys.nframe()
[13:31:08.335]     ...future.conditions <- base::list()
[13:31:08.335]     ...future.rng <- base::globalenv()$.Random.seed
[13:31:08.335]     if (FALSE) {
[13:31:08.335]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:31:08.335]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:31:08.335]     }
[13:31:08.335]     ...future.result <- base::tryCatch({
[13:31:08.335]         base::withCallingHandlers({
[13:31:08.335]             ...future.value <- base::withVisible(base::local({
[13:31:08.335]                 x$a <- 1
[13:31:08.335]                 x
[13:31:08.335]             }))
[13:31:08.335]             future::FutureResult(value = ...future.value$value, 
[13:31:08.335]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.335]                   ...future.rng), globalenv = if (FALSE) 
[13:31:08.335]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:31:08.335]                     ...future.globalenv.names))
[13:31:08.335]                 else NULL, started = ...future.startTime, version = "1.8")
[13:31:08.335]         }, condition = base::local({
[13:31:08.335]             c <- base::c
[13:31:08.335]             inherits <- base::inherits
[13:31:08.335]             invokeRestart <- base::invokeRestart
[13:31:08.335]             length <- base::length
[13:31:08.335]             list <- base::list
[13:31:08.335]             seq.int <- base::seq.int
[13:31:08.335]             signalCondition <- base::signalCondition
[13:31:08.335]             sys.calls <- base::sys.calls
[13:31:08.335]             `[[` <- base::`[[`
[13:31:08.335]             `+` <- base::`+`
[13:31:08.335]             `<<-` <- base::`<<-`
[13:31:08.335]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:31:08.335]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:31:08.335]                   3L)]
[13:31:08.335]             }
[13:31:08.335]             function(cond) {
[13:31:08.335]                 is_error <- inherits(cond, "error")
[13:31:08.335]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:31:08.335]                   NULL)
[13:31:08.335]                 if (is_error) {
[13:31:08.335]                   sessionInformation <- function() {
[13:31:08.335]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:31:08.335]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:31:08.335]                       search = base::search(), system = base::Sys.info())
[13:31:08.335]                   }
[13:31:08.335]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.335]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:31:08.335]                     cond$call), session = sessionInformation(), 
[13:31:08.335]                     timestamp = base::Sys.time(), signaled = 0L)
[13:31:08.335]                   signalCondition(cond)
[13:31:08.335]                 }
[13:31:08.335]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:31:08.335]                   signal <- FALSE && inherits(cond, character(0))
[13:31:08.335]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.335]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:31:08.335]                   if (FALSE && !signal) {
[13:31:08.335]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.335]                     {
[13:31:08.335]                       inherits <- base::inherits
[13:31:08.335]                       invokeRestart <- base::invokeRestart
[13:31:08.335]                       is.null <- base::is.null
[13:31:08.335]                       muffled <- FALSE
[13:31:08.335]                       if (inherits(cond, "message")) {
[13:31:08.335]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.335]                         if (muffled) 
[13:31:08.335]                           invokeRestart("muffleMessage")
[13:31:08.335]                       }
[13:31:08.335]                       else if (inherits(cond, "warning")) {
[13:31:08.335]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.335]                         if (muffled) 
[13:31:08.335]                           invokeRestart("muffleWarning")
[13:31:08.335]                       }
[13:31:08.335]                       else if (inherits(cond, "condition")) {
[13:31:08.335]                         if (!is.null(pattern)) {
[13:31:08.335]                           computeRestarts <- base::computeRestarts
[13:31:08.335]                           grepl <- base::grepl
[13:31:08.335]                           restarts <- computeRestarts(cond)
[13:31:08.335]                           for (restart in restarts) {
[13:31:08.335]                             name <- restart$name
[13:31:08.335]                             if (is.null(name)) 
[13:31:08.335]                               next
[13:31:08.335]                             if (!grepl(pattern, name)) 
[13:31:08.335]                               next
[13:31:08.335]                             invokeRestart(restart)
[13:31:08.335]                             muffled <- TRUE
[13:31:08.335]                             break
[13:31:08.335]                           }
[13:31:08.335]                         }
[13:31:08.335]                       }
[13:31:08.335]                       invisible(muffled)
[13:31:08.335]                     }
[13:31:08.335]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.335]                   }
[13:31:08.335]                 }
[13:31:08.335]                 else {
[13:31:08.335]                   if (TRUE) {
[13:31:08.335]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.335]                     {
[13:31:08.335]                       inherits <- base::inherits
[13:31:08.335]                       invokeRestart <- base::invokeRestart
[13:31:08.335]                       is.null <- base::is.null
[13:31:08.335]                       muffled <- FALSE
[13:31:08.335]                       if (inherits(cond, "message")) {
[13:31:08.335]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.335]                         if (muffled) 
[13:31:08.335]                           invokeRestart("muffleMessage")
[13:31:08.335]                       }
[13:31:08.335]                       else if (inherits(cond, "warning")) {
[13:31:08.335]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.335]                         if (muffled) 
[13:31:08.335]                           invokeRestart("muffleWarning")
[13:31:08.335]                       }
[13:31:08.335]                       else if (inherits(cond, "condition")) {
[13:31:08.335]                         if (!is.null(pattern)) {
[13:31:08.335]                           computeRestarts <- base::computeRestarts
[13:31:08.335]                           grepl <- base::grepl
[13:31:08.335]                           restarts <- computeRestarts(cond)
[13:31:08.335]                           for (restart in restarts) {
[13:31:08.335]                             name <- restart$name
[13:31:08.335]                             if (is.null(name)) 
[13:31:08.335]                               next
[13:31:08.335]                             if (!grepl(pattern, name)) 
[13:31:08.335]                               next
[13:31:08.335]                             invokeRestart(restart)
[13:31:08.335]                             muffled <- TRUE
[13:31:08.335]                             break
[13:31:08.335]                           }
[13:31:08.335]                         }
[13:31:08.335]                       }
[13:31:08.335]                       invisible(muffled)
[13:31:08.335]                     }
[13:31:08.335]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.335]                   }
[13:31:08.335]                 }
[13:31:08.335]             }
[13:31:08.335]         }))
[13:31:08.335]     }, error = function(ex) {
[13:31:08.335]         base::structure(base::list(value = NULL, visible = NULL, 
[13:31:08.335]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.335]                 ...future.rng), started = ...future.startTime, 
[13:31:08.335]             finished = Sys.time(), session_uuid = NA_character_, 
[13:31:08.335]             version = "1.8"), class = "FutureResult")
[13:31:08.335]     }, finally = {
[13:31:08.335]         if (!identical(...future.workdir, getwd())) 
[13:31:08.335]             setwd(...future.workdir)
[13:31:08.335]         {
[13:31:08.335]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:31:08.335]                 ...future.oldOptions$nwarnings <- NULL
[13:31:08.335]             }
[13:31:08.335]             base::options(...future.oldOptions)
[13:31:08.335]             if (.Platform$OS.type == "windows") {
[13:31:08.335]                 old_names <- names(...future.oldEnvVars)
[13:31:08.335]                 envs <- base::Sys.getenv()
[13:31:08.335]                 names <- names(envs)
[13:31:08.335]                 common <- intersect(names, old_names)
[13:31:08.335]                 added <- setdiff(names, old_names)
[13:31:08.335]                 removed <- setdiff(old_names, names)
[13:31:08.335]                 changed <- common[...future.oldEnvVars[common] != 
[13:31:08.335]                   envs[common]]
[13:31:08.335]                 NAMES <- toupper(changed)
[13:31:08.335]                 args <- list()
[13:31:08.335]                 for (kk in seq_along(NAMES)) {
[13:31:08.335]                   name <- changed[[kk]]
[13:31:08.335]                   NAME <- NAMES[[kk]]
[13:31:08.335]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.335]                     next
[13:31:08.335]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.335]                 }
[13:31:08.335]                 NAMES <- toupper(added)
[13:31:08.335]                 for (kk in seq_along(NAMES)) {
[13:31:08.335]                   name <- added[[kk]]
[13:31:08.335]                   NAME <- NAMES[[kk]]
[13:31:08.335]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.335]                     next
[13:31:08.335]                   args[[name]] <- ""
[13:31:08.335]                 }
[13:31:08.335]                 NAMES <- toupper(removed)
[13:31:08.335]                 for (kk in seq_along(NAMES)) {
[13:31:08.335]                   name <- removed[[kk]]
[13:31:08.335]                   NAME <- NAMES[[kk]]
[13:31:08.335]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.335]                     next
[13:31:08.335]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.335]                 }
[13:31:08.335]                 if (length(args) > 0) 
[13:31:08.335]                   base::do.call(base::Sys.setenv, args = args)
[13:31:08.335]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:31:08.335]             }
[13:31:08.335]             else {
[13:31:08.335]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:31:08.335]             }
[13:31:08.335]             {
[13:31:08.335]                 if (base::length(...future.futureOptionsAdded) > 
[13:31:08.335]                   0L) {
[13:31:08.335]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:31:08.335]                   base::names(opts) <- ...future.futureOptionsAdded
[13:31:08.335]                   base::options(opts)
[13:31:08.335]                 }
[13:31:08.335]                 {
[13:31:08.335]                   NULL
[13:31:08.335]                   options(future.plan = NULL)
[13:31:08.335]                   if (is.na(NA_character_)) 
[13:31:08.335]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.335]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:31:08.335]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:31:08.335]                     .init = FALSE)
[13:31:08.335]                 }
[13:31:08.335]             }
[13:31:08.335]         }
[13:31:08.335]     })
[13:31:08.335]     if (TRUE) {
[13:31:08.335]         base::sink(type = "output", split = FALSE)
[13:31:08.335]         if (TRUE) {
[13:31:08.335]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:31:08.335]         }
[13:31:08.335]         else {
[13:31:08.335]             ...future.result["stdout"] <- base::list(NULL)
[13:31:08.335]         }
[13:31:08.335]         base::close(...future.stdout)
[13:31:08.335]         ...future.stdout <- NULL
[13:31:08.335]     }
[13:31:08.335]     ...future.result$conditions <- ...future.conditions
[13:31:08.335]     ...future.result$finished <- base::Sys.time()
[13:31:08.335]     ...future.result
[13:31:08.335] }
[13:31:08.339] - Launch lazy future ... done
[13:31:08.339] run() for 'MiraiFuture' ... done
> rm(list = "x")
> y <- value(f)
> print(y)
$a
[1] 1

> stopifnot(identical(y, y0))
> 
> ## Future assignment
> x <- list()
> y %<-% {
+   x$a <- 1
+   x
+ }
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[13:31:08.343] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[13:31:08.343] Searching for globals...
[13:31:08.345] - globals found: [5] '{', 'x', '<-', '$', '$<-'
[13:31:08.346] Searching for globals ... DONE
[13:31:08.346] Resolving globals: TRUE
[13:31:08.346] Resolving any globals that are futures ...
[13:31:08.346] - globals: [5] '{', 'x', '<-', '$', '$<-'
[13:31:08.346] Resolving any globals that are futures ... DONE
[13:31:08.347] Resolving futures part of globals (recursively) ...
[13:31:08.347] resolve() on list ...
[13:31:08.347]  recursive: 99
[13:31:08.347]  length: 1
[13:31:08.348]  elements: 'x'
[13:31:08.348]  length: 0 (resolved future 1)
[13:31:08.348] resolve() on list ... DONE
[13:31:08.348] - globals: [1] 'x'
[13:31:08.348] Resolving futures part of globals (recursively) ... DONE
[13:31:08.348] The total size of the 1 globals is 0 bytes (0 bytes)
[13:31:08.349] The total size of the 1 globals exported for future expression ('{; x$a <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[13:31:08.349] - globals: [1] 'x'
[13:31:08.349] 
[13:31:08.349] getGlobalsAndPackages() ... DONE
[13:31:08.350] run() for 'Future' ...
[13:31:08.350] - state: 'created'
[13:31:08.350] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:31:08.354] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:31:08.354] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:31:08.354]   - Field: 'label'
[13:31:08.355]   - Field: 'local'
[13:31:08.355]   - Field: 'owner'
[13:31:08.355]   - Field: 'envir'
[13:31:08.355]   - Field: 'packages'
[13:31:08.355]   - Field: 'gc'
[13:31:08.356]   - Field: 'conditions'
[13:31:08.356]   - Field: 'expr'
[13:31:08.356]   - Field: 'uuid'
[13:31:08.356]   - Field: 'seed'
[13:31:08.356]   - Field: 'version'
[13:31:08.356]   - Field: 'result'
[13:31:08.357]   - Field: 'asynchronous'
[13:31:08.357]   - Field: 'calls'
[13:31:08.357]   - Field: 'globals'
[13:31:08.357]   - Field: 'stdout'
[13:31:08.357]   - Field: 'earlySignal'
[13:31:08.357]   - Field: 'lazy'
[13:31:08.358]   - Field: 'state'
[13:31:08.358]   - Field: '.cluster'
[13:31:08.358] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:31:08.358] - Launch lazy future ...
[13:31:08.358] Packages needed by the future expression (n = 0): <none>
[13:31:08.359] Packages needed by future strategies (n = 0): <none>
[13:31:08.359] {
[13:31:08.359]     {
[13:31:08.359]         {
[13:31:08.359]             ...future.startTime <- base::Sys.time()
[13:31:08.359]             {
[13:31:08.359]                 {
[13:31:08.359]                   {
[13:31:08.359]                     base::local({
[13:31:08.359]                       has_future <- base::requireNamespace("future", 
[13:31:08.359]                         quietly = TRUE)
[13:31:08.359]                       if (has_future) {
[13:31:08.359]                         ns <- base::getNamespace("future")
[13:31:08.359]                         version <- ns[[".package"]][["version"]]
[13:31:08.359]                         if (is.null(version)) 
[13:31:08.359]                           version <- utils::packageVersion("future")
[13:31:08.359]                       }
[13:31:08.359]                       else {
[13:31:08.359]                         version <- NULL
[13:31:08.359]                       }
[13:31:08.359]                       if (!has_future || version < "1.8.0") {
[13:31:08.359]                         info <- base::c(r_version = base::gsub("R version ", 
[13:31:08.359]                           "", base::R.version$version.string), 
[13:31:08.359]                           platform = base::sprintf("%s (%s-bit)", 
[13:31:08.359]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:31:08.359]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:31:08.359]                             "release", "version")], collapse = " "), 
[13:31:08.359]                           hostname = base::Sys.info()[["nodename"]])
[13:31:08.359]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:31:08.359]                           info)
[13:31:08.359]                         info <- base::paste(info, collapse = "; ")
[13:31:08.359]                         if (!has_future) {
[13:31:08.359]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:31:08.359]                             info)
[13:31:08.359]                         }
[13:31:08.359]                         else {
[13:31:08.359]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:31:08.359]                             info, version)
[13:31:08.359]                         }
[13:31:08.359]                         base::stop(msg)
[13:31:08.359]                       }
[13:31:08.359]                     })
[13:31:08.359]                   }
[13:31:08.359]                   ...future.strategy.old <- future::plan("list")
[13:31:08.359]                   options(future.plan = NULL)
[13:31:08.359]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.359]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:31:08.359]                 }
[13:31:08.359]                 ...future.workdir <- getwd()
[13:31:08.359]             }
[13:31:08.359]             ...future.oldOptions <- base::as.list(base::.Options)
[13:31:08.359]             ...future.oldEnvVars <- base::Sys.getenv()
[13:31:08.359]         }
[13:31:08.359]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[13:31:08.359]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:31:08.359]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[13:31:08.359]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[13:31:08.359]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:31:08.359]             future.stdout.windows.reencode = NULL, width = 80L)
[13:31:08.359]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:31:08.359]             base::names(...future.oldOptions))
[13:31:08.359]     }
[13:31:08.359]     if (FALSE) {
[13:31:08.359]     }
[13:31:08.359]     else {
[13:31:08.359]         if (TRUE) {
[13:31:08.359]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:31:08.359]                 open = "w")
[13:31:08.359]         }
[13:31:08.359]         else {
[13:31:08.359]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:31:08.359]                 windows = "NUL", "/dev/null"), open = "w")
[13:31:08.359]         }
[13:31:08.359]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:31:08.359]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:31:08.359]             base::sink(type = "output", split = FALSE)
[13:31:08.359]             base::close(...future.stdout)
[13:31:08.359]         }, add = TRUE)
[13:31:08.359]     }
[13:31:08.359]     ...future.frame <- base::sys.nframe()
[13:31:08.359]     ...future.conditions <- base::list()
[13:31:08.359]     ...future.rng <- base::globalenv()$.Random.seed
[13:31:08.359]     if (FALSE) {
[13:31:08.359]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:31:08.359]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:31:08.359]     }
[13:31:08.359]     ...future.result <- base::tryCatch({
[13:31:08.359]         base::withCallingHandlers({
[13:31:08.359]             ...future.value <- base::withVisible(base::local({
[13:31:08.359]                 x$a <- 1
[13:31:08.359]                 x
[13:31:08.359]             }))
[13:31:08.359]             future::FutureResult(value = ...future.value$value, 
[13:31:08.359]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.359]                   ...future.rng), globalenv = if (FALSE) 
[13:31:08.359]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:31:08.359]                     ...future.globalenv.names))
[13:31:08.359]                 else NULL, started = ...future.startTime, version = "1.8")
[13:31:08.359]         }, condition = base::local({
[13:31:08.359]             c <- base::c
[13:31:08.359]             inherits <- base::inherits
[13:31:08.359]             invokeRestart <- base::invokeRestart
[13:31:08.359]             length <- base::length
[13:31:08.359]             list <- base::list
[13:31:08.359]             seq.int <- base::seq.int
[13:31:08.359]             signalCondition <- base::signalCondition
[13:31:08.359]             sys.calls <- base::sys.calls
[13:31:08.359]             `[[` <- base::`[[`
[13:31:08.359]             `+` <- base::`+`
[13:31:08.359]             `<<-` <- base::`<<-`
[13:31:08.359]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:31:08.359]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:31:08.359]                   3L)]
[13:31:08.359]             }
[13:31:08.359]             function(cond) {
[13:31:08.359]                 is_error <- inherits(cond, "error")
[13:31:08.359]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:31:08.359]                   NULL)
[13:31:08.359]                 if (is_error) {
[13:31:08.359]                   sessionInformation <- function() {
[13:31:08.359]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:31:08.359]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:31:08.359]                       search = base::search(), system = base::Sys.info())
[13:31:08.359]                   }
[13:31:08.359]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.359]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:31:08.359]                     cond$call), session = sessionInformation(), 
[13:31:08.359]                     timestamp = base::Sys.time(), signaled = 0L)
[13:31:08.359]                   signalCondition(cond)
[13:31:08.359]                 }
[13:31:08.359]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:31:08.359]                   signal <- FALSE && inherits(cond, character(0))
[13:31:08.359]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.359]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:31:08.359]                   if (FALSE && !signal) {
[13:31:08.359]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.359]                     {
[13:31:08.359]                       inherits <- base::inherits
[13:31:08.359]                       invokeRestart <- base::invokeRestart
[13:31:08.359]                       is.null <- base::is.null
[13:31:08.359]                       muffled <- FALSE
[13:31:08.359]                       if (inherits(cond, "message")) {
[13:31:08.359]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.359]                         if (muffled) 
[13:31:08.359]                           invokeRestart("muffleMessage")
[13:31:08.359]                       }
[13:31:08.359]                       else if (inherits(cond, "warning")) {
[13:31:08.359]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.359]                         if (muffled) 
[13:31:08.359]                           invokeRestart("muffleWarning")
[13:31:08.359]                       }
[13:31:08.359]                       else if (inherits(cond, "condition")) {
[13:31:08.359]                         if (!is.null(pattern)) {
[13:31:08.359]                           computeRestarts <- base::computeRestarts
[13:31:08.359]                           grepl <- base::grepl
[13:31:08.359]                           restarts <- computeRestarts(cond)
[13:31:08.359]                           for (restart in restarts) {
[13:31:08.359]                             name <- restart$name
[13:31:08.359]                             if (is.null(name)) 
[13:31:08.359]                               next
[13:31:08.359]                             if (!grepl(pattern, name)) 
[13:31:08.359]                               next
[13:31:08.359]                             invokeRestart(restart)
[13:31:08.359]                             muffled <- TRUE
[13:31:08.359]                             break
[13:31:08.359]                           }
[13:31:08.359]                         }
[13:31:08.359]                       }
[13:31:08.359]                       invisible(muffled)
[13:31:08.359]                     }
[13:31:08.359]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.359]                   }
[13:31:08.359]                 }
[13:31:08.359]                 else {
[13:31:08.359]                   if (TRUE) {
[13:31:08.359]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.359]                     {
[13:31:08.359]                       inherits <- base::inherits
[13:31:08.359]                       invokeRestart <- base::invokeRestart
[13:31:08.359]                       is.null <- base::is.null
[13:31:08.359]                       muffled <- FALSE
[13:31:08.359]                       if (inherits(cond, "message")) {
[13:31:08.359]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.359]                         if (muffled) 
[13:31:08.359]                           invokeRestart("muffleMessage")
[13:31:08.359]                       }
[13:31:08.359]                       else if (inherits(cond, "warning")) {
[13:31:08.359]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.359]                         if (muffled) 
[13:31:08.359]                           invokeRestart("muffleWarning")
[13:31:08.359]                       }
[13:31:08.359]                       else if (inherits(cond, "condition")) {
[13:31:08.359]                         if (!is.null(pattern)) {
[13:31:08.359]                           computeRestarts <- base::computeRestarts
[13:31:08.359]                           grepl <- base::grepl
[13:31:08.359]                           restarts <- computeRestarts(cond)
[13:31:08.359]                           for (restart in restarts) {
[13:31:08.359]                             name <- restart$name
[13:31:08.359]                             if (is.null(name)) 
[13:31:08.359]                               next
[13:31:08.359]                             if (!grepl(pattern, name)) 
[13:31:08.359]                               next
[13:31:08.359]                             invokeRestart(restart)
[13:31:08.359]                             muffled <- TRUE
[13:31:08.359]                             break
[13:31:08.359]                           }
[13:31:08.359]                         }
[13:31:08.359]                       }
[13:31:08.359]                       invisible(muffled)
[13:31:08.359]                     }
[13:31:08.359]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.359]                   }
[13:31:08.359]                 }
[13:31:08.359]             }
[13:31:08.359]         }))
[13:31:08.359]     }, error = function(ex) {
[13:31:08.359]         base::structure(base::list(value = NULL, visible = NULL, 
[13:31:08.359]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.359]                 ...future.rng), started = ...future.startTime, 
[13:31:08.359]             finished = Sys.time(), session_uuid = NA_character_, 
[13:31:08.359]             version = "1.8"), class = "FutureResult")
[13:31:08.359]     }, finally = {
[13:31:08.359]         if (!identical(...future.workdir, getwd())) 
[13:31:08.359]             setwd(...future.workdir)
[13:31:08.359]         {
[13:31:08.359]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:31:08.359]                 ...future.oldOptions$nwarnings <- NULL
[13:31:08.359]             }
[13:31:08.359]             base::options(...future.oldOptions)
[13:31:08.359]             if (.Platform$OS.type == "windows") {
[13:31:08.359]                 old_names <- names(...future.oldEnvVars)
[13:31:08.359]                 envs <- base::Sys.getenv()
[13:31:08.359]                 names <- names(envs)
[13:31:08.359]                 common <- intersect(names, old_names)
[13:31:08.359]                 added <- setdiff(names, old_names)
[13:31:08.359]                 removed <- setdiff(old_names, names)
[13:31:08.359]                 changed <- common[...future.oldEnvVars[common] != 
[13:31:08.359]                   envs[common]]
[13:31:08.359]                 NAMES <- toupper(changed)
[13:31:08.359]                 args <- list()
[13:31:08.359]                 for (kk in seq_along(NAMES)) {
[13:31:08.359]                   name <- changed[[kk]]
[13:31:08.359]                   NAME <- NAMES[[kk]]
[13:31:08.359]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.359]                     next
[13:31:08.359]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.359]                 }
[13:31:08.359]                 NAMES <- toupper(added)
[13:31:08.359]                 for (kk in seq_along(NAMES)) {
[13:31:08.359]                   name <- added[[kk]]
[13:31:08.359]                   NAME <- NAMES[[kk]]
[13:31:08.359]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.359]                     next
[13:31:08.359]                   args[[name]] <- ""
[13:31:08.359]                 }
[13:31:08.359]                 NAMES <- toupper(removed)
[13:31:08.359]                 for (kk in seq_along(NAMES)) {
[13:31:08.359]                   name <- removed[[kk]]
[13:31:08.359]                   NAME <- NAMES[[kk]]
[13:31:08.359]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.359]                     next
[13:31:08.359]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.359]                 }
[13:31:08.359]                 if (length(args) > 0) 
[13:31:08.359]                   base::do.call(base::Sys.setenv, args = args)
[13:31:08.359]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:31:08.359]             }
[13:31:08.359]             else {
[13:31:08.359]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:31:08.359]             }
[13:31:08.359]             {
[13:31:08.359]                 if (base::length(...future.futureOptionsAdded) > 
[13:31:08.359]                   0L) {
[13:31:08.359]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:31:08.359]                   base::names(opts) <- ...future.futureOptionsAdded
[13:31:08.359]                   base::options(opts)
[13:31:08.359]                 }
[13:31:08.359]                 {
[13:31:08.359]                   NULL
[13:31:08.359]                   options(future.plan = NULL)
[13:31:08.359]                   if (is.na(NA_character_)) 
[13:31:08.359]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.359]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:31:08.359]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:31:08.359]                     .init = FALSE)
[13:31:08.359]                 }
[13:31:08.359]             }
[13:31:08.359]         }
[13:31:08.359]     })
[13:31:08.359]     if (TRUE) {
[13:31:08.359]         base::sink(type = "output", split = FALSE)
[13:31:08.359]         if (TRUE) {
[13:31:08.359]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:31:08.359]         }
[13:31:08.359]         else {
[13:31:08.359]             ...future.result["stdout"] <- base::list(NULL)
[13:31:08.359]         }
[13:31:08.359]         base::close(...future.stdout)
[13:31:08.359]         ...future.stdout <- NULL
[13:31:08.359]     }
[13:31:08.359]     ...future.result$conditions <- ...future.conditions
[13:31:08.359]     ...future.result$finished <- base::Sys.time()
[13:31:08.359]     ...future.result
[13:31:08.359] }
[13:31:08.363] - Launch lazy future ... done
[13:31:08.363] run() for 'MiraiFuture' ... done
> rm(list = "x")
> print(y)
$a
[1] 1

> stopifnot(identical(y, y0))
> 
> ## 'x' is _not_ a global variable here
> x <- list()
> y %<-% {
+   x <- list(b = 2)
+   x$a <- 1
+   x
+ }
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[13:31:08.365] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[13:31:08.366] Searching for globals...
[13:31:08.369] - globals found: [5] '{', '<-', 'list', '$', '$<-'
[13:31:08.369] Searching for globals ... DONE
[13:31:08.369] Resolving globals: TRUE
[13:31:08.369] Resolving any globals that are futures ...
[13:31:08.369] - globals: [5] '{', '<-', 'list', '$', '$<-'
[13:31:08.370] Resolving any globals that are futures ... DONE
[13:31:08.370] 
[13:31:08.370] 
[13:31:08.370] getGlobalsAndPackages() ... DONE
[13:31:08.371] run() for 'Future' ...
[13:31:08.371] - state: 'created'
[13:31:08.371] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:31:08.373] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:31:08.373] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:31:08.374]   - Field: 'label'
[13:31:08.374]   - Field: 'local'
[13:31:08.374]   - Field: 'owner'
[13:31:08.374]   - Field: 'envir'
[13:31:08.374]   - Field: 'packages'
[13:31:08.375]   - Field: 'gc'
[13:31:08.375]   - Field: 'conditions'
[13:31:08.375]   - Field: 'expr'
[13:31:08.375]   - Field: 'uuid'
[13:31:08.375]   - Field: 'seed'
[13:31:08.375]   - Field: 'version'
[13:31:08.376]   - Field: 'result'
[13:31:08.376]   - Field: 'asynchronous'
[13:31:08.376]   - Field: 'calls'
[13:31:08.376]   - Field: 'globals'
[13:31:08.376]   - Field: 'stdout'
[13:31:08.376]   - Field: 'earlySignal'
[13:31:08.377]   - Field: 'lazy'
[13:31:08.377]   - Field: 'state'
[13:31:08.377]   - Field: '.cluster'
[13:31:08.377] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:31:08.377] - Launch lazy future ...
[13:31:08.377] Packages needed by the future expression (n = 0): <none>
[13:31:08.378] Packages needed by future strategies (n = 0): <none>
[13:31:08.378] {
[13:31:08.378]     {
[13:31:08.378]         {
[13:31:08.378]             ...future.startTime <- base::Sys.time()
[13:31:08.378]             {
[13:31:08.378]                 {
[13:31:08.378]                   {
[13:31:08.378]                     base::local({
[13:31:08.378]                       has_future <- base::requireNamespace("future", 
[13:31:08.378]                         quietly = TRUE)
[13:31:08.378]                       if (has_future) {
[13:31:08.378]                         ns <- base::getNamespace("future")
[13:31:08.378]                         version <- ns[[".package"]][["version"]]
[13:31:08.378]                         if (is.null(version)) 
[13:31:08.378]                           version <- utils::packageVersion("future")
[13:31:08.378]                       }
[13:31:08.378]                       else {
[13:31:08.378]                         version <- NULL
[13:31:08.378]                       }
[13:31:08.378]                       if (!has_future || version < "1.8.0") {
[13:31:08.378]                         info <- base::c(r_version = base::gsub("R version ", 
[13:31:08.378]                           "", base::R.version$version.string), 
[13:31:08.378]                           platform = base::sprintf("%s (%s-bit)", 
[13:31:08.378]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:31:08.378]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:31:08.378]                             "release", "version")], collapse = " "), 
[13:31:08.378]                           hostname = base::Sys.info()[["nodename"]])
[13:31:08.378]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:31:08.378]                           info)
[13:31:08.378]                         info <- base::paste(info, collapse = "; ")
[13:31:08.378]                         if (!has_future) {
[13:31:08.378]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:31:08.378]                             info)
[13:31:08.378]                         }
[13:31:08.378]                         else {
[13:31:08.378]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:31:08.378]                             info, version)
[13:31:08.378]                         }
[13:31:08.378]                         base::stop(msg)
[13:31:08.378]                       }
[13:31:08.378]                     })
[13:31:08.378]                   }
[13:31:08.378]                   ...future.strategy.old <- future::plan("list")
[13:31:08.378]                   options(future.plan = NULL)
[13:31:08.378]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.378]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:31:08.378]                 }
[13:31:08.378]                 ...future.workdir <- getwd()
[13:31:08.378]             }
[13:31:08.378]             ...future.oldOptions <- base::as.list(base::.Options)
[13:31:08.378]             ...future.oldEnvVars <- base::Sys.getenv()
[13:31:08.378]         }
[13:31:08.378]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[13:31:08.378]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:31:08.378]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[13:31:08.378]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[13:31:08.378]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:31:08.378]             future.stdout.windows.reencode = NULL, width = 80L)
[13:31:08.378]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:31:08.378]             base::names(...future.oldOptions))
[13:31:08.378]     }
[13:31:08.378]     if (FALSE) {
[13:31:08.378]     }
[13:31:08.378]     else {
[13:31:08.378]         if (TRUE) {
[13:31:08.378]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:31:08.378]                 open = "w")
[13:31:08.378]         }
[13:31:08.378]         else {
[13:31:08.378]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:31:08.378]                 windows = "NUL", "/dev/null"), open = "w")
[13:31:08.378]         }
[13:31:08.378]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:31:08.378]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:31:08.378]             base::sink(type = "output", split = FALSE)
[13:31:08.378]             base::close(...future.stdout)
[13:31:08.378]         }, add = TRUE)
[13:31:08.378]     }
[13:31:08.378]     ...future.frame <- base::sys.nframe()
[13:31:08.378]     ...future.conditions <- base::list()
[13:31:08.378]     ...future.rng <- base::globalenv()$.Random.seed
[13:31:08.378]     if (FALSE) {
[13:31:08.378]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:31:08.378]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:31:08.378]     }
[13:31:08.378]     ...future.result <- base::tryCatch({
[13:31:08.378]         base::withCallingHandlers({
[13:31:08.378]             ...future.value <- base::withVisible(base::local({
[13:31:08.378]                 x <- list(b = 2)
[13:31:08.378]                 x$a <- 1
[13:31:08.378]                 x
[13:31:08.378]             }))
[13:31:08.378]             future::FutureResult(value = ...future.value$value, 
[13:31:08.378]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.378]                   ...future.rng), globalenv = if (FALSE) 
[13:31:08.378]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:31:08.378]                     ...future.globalenv.names))
[13:31:08.378]                 else NULL, started = ...future.startTime, version = "1.8")
[13:31:08.378]         }, condition = base::local({
[13:31:08.378]             c <- base::c
[13:31:08.378]             inherits <- base::inherits
[13:31:08.378]             invokeRestart <- base::invokeRestart
[13:31:08.378]             length <- base::length
[13:31:08.378]             list <- base::list
[13:31:08.378]             seq.int <- base::seq.int
[13:31:08.378]             signalCondition <- base::signalCondition
[13:31:08.378]             sys.calls <- base::sys.calls
[13:31:08.378]             `[[` <- base::`[[`
[13:31:08.378]             `+` <- base::`+`
[13:31:08.378]             `<<-` <- base::`<<-`
[13:31:08.378]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:31:08.378]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:31:08.378]                   3L)]
[13:31:08.378]             }
[13:31:08.378]             function(cond) {
[13:31:08.378]                 is_error <- inherits(cond, "error")
[13:31:08.378]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:31:08.378]                   NULL)
[13:31:08.378]                 if (is_error) {
[13:31:08.378]                   sessionInformation <- function() {
[13:31:08.378]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:31:08.378]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:31:08.378]                       search = base::search(), system = base::Sys.info())
[13:31:08.378]                   }
[13:31:08.378]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.378]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:31:08.378]                     cond$call), session = sessionInformation(), 
[13:31:08.378]                     timestamp = base::Sys.time(), signaled = 0L)
[13:31:08.378]                   signalCondition(cond)
[13:31:08.378]                 }
[13:31:08.378]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:31:08.378]                   signal <- FALSE && inherits(cond, character(0))
[13:31:08.378]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.378]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:31:08.378]                   if (FALSE && !signal) {
[13:31:08.378]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.378]                     {
[13:31:08.378]                       inherits <- base::inherits
[13:31:08.378]                       invokeRestart <- base::invokeRestart
[13:31:08.378]                       is.null <- base::is.null
[13:31:08.378]                       muffled <- FALSE
[13:31:08.378]                       if (inherits(cond, "message")) {
[13:31:08.378]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.378]                         if (muffled) 
[13:31:08.378]                           invokeRestart("muffleMessage")
[13:31:08.378]                       }
[13:31:08.378]                       else if (inherits(cond, "warning")) {
[13:31:08.378]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.378]                         if (muffled) 
[13:31:08.378]                           invokeRestart("muffleWarning")
[13:31:08.378]                       }
[13:31:08.378]                       else if (inherits(cond, "condition")) {
[13:31:08.378]                         if (!is.null(pattern)) {
[13:31:08.378]                           computeRestarts <- base::computeRestarts
[13:31:08.378]                           grepl <- base::grepl
[13:31:08.378]                           restarts <- computeRestarts(cond)
[13:31:08.378]                           for (restart in restarts) {
[13:31:08.378]                             name <- restart$name
[13:31:08.378]                             if (is.null(name)) 
[13:31:08.378]                               next
[13:31:08.378]                             if (!grepl(pattern, name)) 
[13:31:08.378]                               next
[13:31:08.378]                             invokeRestart(restart)
[13:31:08.378]                             muffled <- TRUE
[13:31:08.378]                             break
[13:31:08.378]                           }
[13:31:08.378]                         }
[13:31:08.378]                       }
[13:31:08.378]                       invisible(muffled)
[13:31:08.378]                     }
[13:31:08.378]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.378]                   }
[13:31:08.378]                 }
[13:31:08.378]                 else {
[13:31:08.378]                   if (TRUE) {
[13:31:08.378]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.378]                     {
[13:31:08.378]                       inherits <- base::inherits
[13:31:08.378]                       invokeRestart <- base::invokeRestart
[13:31:08.378]                       is.null <- base::is.null
[13:31:08.378]                       muffled <- FALSE
[13:31:08.378]                       if (inherits(cond, "message")) {
[13:31:08.378]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.378]                         if (muffled) 
[13:31:08.378]                           invokeRestart("muffleMessage")
[13:31:08.378]                       }
[13:31:08.378]                       else if (inherits(cond, "warning")) {
[13:31:08.378]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.378]                         if (muffled) 
[13:31:08.378]                           invokeRestart("muffleWarning")
[13:31:08.378]                       }
[13:31:08.378]                       else if (inherits(cond, "condition")) {
[13:31:08.378]                         if (!is.null(pattern)) {
[13:31:08.378]                           computeRestarts <- base::computeRestarts
[13:31:08.378]                           grepl <- base::grepl
[13:31:08.378]                           restarts <- computeRestarts(cond)
[13:31:08.378]                           for (restart in restarts) {
[13:31:08.378]                             name <- restart$name
[13:31:08.378]                             if (is.null(name)) 
[13:31:08.378]                               next
[13:31:08.378]                             if (!grepl(pattern, name)) 
[13:31:08.378]                               next
[13:31:08.378]                             invokeRestart(restart)
[13:31:08.378]                             muffled <- TRUE
[13:31:08.378]                             break
[13:31:08.378]                           }
[13:31:08.378]                         }
[13:31:08.378]                       }
[13:31:08.378]                       invisible(muffled)
[13:31:08.378]                     }
[13:31:08.378]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.378]                   }
[13:31:08.378]                 }
[13:31:08.378]             }
[13:31:08.378]         }))
[13:31:08.378]     }, error = function(ex) {
[13:31:08.378]         base::structure(base::list(value = NULL, visible = NULL, 
[13:31:08.378]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.378]                 ...future.rng), started = ...future.startTime, 
[13:31:08.378]             finished = Sys.time(), session_uuid = NA_character_, 
[13:31:08.378]             version = "1.8"), class = "FutureResult")
[13:31:08.378]     }, finally = {
[13:31:08.378]         if (!identical(...future.workdir, getwd())) 
[13:31:08.378]             setwd(...future.workdir)
[13:31:08.378]         {
[13:31:08.378]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:31:08.378]                 ...future.oldOptions$nwarnings <- NULL
[13:31:08.378]             }
[13:31:08.378]             base::options(...future.oldOptions)
[13:31:08.378]             if (.Platform$OS.type == "windows") {
[13:31:08.378]                 old_names <- names(...future.oldEnvVars)
[13:31:08.378]                 envs <- base::Sys.getenv()
[13:31:08.378]                 names <- names(envs)
[13:31:08.378]                 common <- intersect(names, old_names)
[13:31:08.378]                 added <- setdiff(names, old_names)
[13:31:08.378]                 removed <- setdiff(old_names, names)
[13:31:08.378]                 changed <- common[...future.oldEnvVars[common] != 
[13:31:08.378]                   envs[common]]
[13:31:08.378]                 NAMES <- toupper(changed)
[13:31:08.378]                 args <- list()
[13:31:08.378]                 for (kk in seq_along(NAMES)) {
[13:31:08.378]                   name <- changed[[kk]]
[13:31:08.378]                   NAME <- NAMES[[kk]]
[13:31:08.378]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.378]                     next
[13:31:08.378]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.378]                 }
[13:31:08.378]                 NAMES <- toupper(added)
[13:31:08.378]                 for (kk in seq_along(NAMES)) {
[13:31:08.378]                   name <- added[[kk]]
[13:31:08.378]                   NAME <- NAMES[[kk]]
[13:31:08.378]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.378]                     next
[13:31:08.378]                   args[[name]] <- ""
[13:31:08.378]                 }
[13:31:08.378]                 NAMES <- toupper(removed)
[13:31:08.378]                 for (kk in seq_along(NAMES)) {
[13:31:08.378]                   name <- removed[[kk]]
[13:31:08.378]                   NAME <- NAMES[[kk]]
[13:31:08.378]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.378]                     next
[13:31:08.378]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.378]                 }
[13:31:08.378]                 if (length(args) > 0) 
[13:31:08.378]                   base::do.call(base::Sys.setenv, args = args)
[13:31:08.378]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:31:08.378]             }
[13:31:08.378]             else {
[13:31:08.378]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:31:08.378]             }
[13:31:08.378]             {
[13:31:08.378]                 if (base::length(...future.futureOptionsAdded) > 
[13:31:08.378]                   0L) {
[13:31:08.378]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:31:08.378]                   base::names(opts) <- ...future.futureOptionsAdded
[13:31:08.378]                   base::options(opts)
[13:31:08.378]                 }
[13:31:08.378]                 {
[13:31:08.378]                   NULL
[13:31:08.378]                   options(future.plan = NULL)
[13:31:08.378]                   if (is.na(NA_character_)) 
[13:31:08.378]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.378]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:31:08.378]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:31:08.378]                     .init = FALSE)
[13:31:08.378]                 }
[13:31:08.378]             }
[13:31:08.378]         }
[13:31:08.378]     })
[13:31:08.378]     if (TRUE) {
[13:31:08.378]         base::sink(type = "output", split = FALSE)
[13:31:08.378]         if (TRUE) {
[13:31:08.378]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:31:08.378]         }
[13:31:08.378]         else {
[13:31:08.378]             ...future.result["stdout"] <- base::list(NULL)
[13:31:08.378]         }
[13:31:08.378]         base::close(...future.stdout)
[13:31:08.378]         ...future.stdout <- NULL
[13:31:08.378]     }
[13:31:08.378]     ...future.result$conditions <- ...future.conditions
[13:31:08.378]     ...future.result$finished <- base::Sys.time()
[13:31:08.378]     ...future.result
[13:31:08.378] }
[13:31:08.382] - Launch lazy future ... done
[13:31:08.382] run() for 'MiraiFuture' ... done
> rm(list = "x")
> print(y)
$b
[1] 2

$a
[1] 1

> stopifnot(identical(y, list(b = 2, a = 1)))
> 
> ## Explicit future
> x <- list()
> f <- future({
+   x[["a"]] <- 1
+   x
+ })
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[13:31:08.384] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[13:31:08.385] Searching for globals...
[13:31:08.387] - globals found: [5] '{', 'x', '<-', '[[', '[[<-'
[13:31:08.387] Searching for globals ... DONE
[13:31:08.387] Resolving globals: TRUE
[13:31:08.387] Resolving any globals that are futures ...
[13:31:08.388] - globals: [5] '{', 'x', '<-', '[[', '[[<-'
[13:31:08.388] Resolving any globals that are futures ... DONE
[13:31:08.388] Resolving futures part of globals (recursively) ...
[13:31:08.389] resolve() on list ...
[13:31:08.389]  recursive: 99
[13:31:08.390]  length: 1
[13:31:08.390]  elements: 'x'
[13:31:08.390]  length: 0 (resolved future 1)
[13:31:08.391] resolve() on list ... DONE
[13:31:08.391] - globals: [1] 'x'
[13:31:08.391] Resolving futures part of globals (recursively) ... DONE
[13:31:08.391] The total size of the 1 globals is 0 bytes (0 bytes)
[13:31:08.392] The total size of the 1 globals exported for future expression ('{; x[["a"]] <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[13:31:08.392] - globals: [1] 'x'
[13:31:08.392] 
[13:31:08.392] getGlobalsAndPackages() ... DONE
[13:31:08.392] run() for 'Future' ...
[13:31:08.393] - state: 'created'
[13:31:08.393] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:31:08.395] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:31:08.395] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:31:08.395]   - Field: 'label'
[13:31:08.396]   - Field: 'local'
[13:31:08.396]   - Field: 'owner'
[13:31:08.396]   - Field: 'envir'
[13:31:08.396]   - Field: 'packages'
[13:31:08.396]   - Field: 'gc'
[13:31:08.396]   - Field: 'conditions'
[13:31:08.397]   - Field: 'expr'
[13:31:08.397]   - Field: 'uuid'
[13:31:08.397]   - Field: 'seed'
[13:31:08.397]   - Field: 'version'
[13:31:08.397]   - Field: 'result'
[13:31:08.397]   - Field: 'asynchronous'
[13:31:08.398]   - Field: 'calls'
[13:31:08.398]   - Field: 'globals'
[13:31:08.398]   - Field: 'stdout'
[13:31:08.398]   - Field: 'earlySignal'
[13:31:08.398]   - Field: 'lazy'
[13:31:08.398]   - Field: 'state'
[13:31:08.399]   - Field: '.cluster'
[13:31:08.399] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:31:08.399] - Launch lazy future ...
[13:31:08.399] Packages needed by the future expression (n = 0): <none>
[13:31:08.399] Packages needed by future strategies (n = 0): <none>
[13:31:08.400] {
[13:31:08.400]     {
[13:31:08.400]         {
[13:31:08.400]             ...future.startTime <- base::Sys.time()
[13:31:08.400]             {
[13:31:08.400]                 {
[13:31:08.400]                   {
[13:31:08.400]                     base::local({
[13:31:08.400]                       has_future <- base::requireNamespace("future", 
[13:31:08.400]                         quietly = TRUE)
[13:31:08.400]                       if (has_future) {
[13:31:08.400]                         ns <- base::getNamespace("future")
[13:31:08.400]                         version <- ns[[".package"]][["version"]]
[13:31:08.400]                         if (is.null(version)) 
[13:31:08.400]                           version <- utils::packageVersion("future")
[13:31:08.400]                       }
[13:31:08.400]                       else {
[13:31:08.400]                         version <- NULL
[13:31:08.400]                       }
[13:31:08.400]                       if (!has_future || version < "1.8.0") {
[13:31:08.400]                         info <- base::c(r_version = base::gsub("R version ", 
[13:31:08.400]                           "", base::R.version$version.string), 
[13:31:08.400]                           platform = base::sprintf("%s (%s-bit)", 
[13:31:08.400]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:31:08.400]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:31:08.400]                             "release", "version")], collapse = " "), 
[13:31:08.400]                           hostname = base::Sys.info()[["nodename"]])
[13:31:08.400]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:31:08.400]                           info)
[13:31:08.400]                         info <- base::paste(info, collapse = "; ")
[13:31:08.400]                         if (!has_future) {
[13:31:08.400]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:31:08.400]                             info)
[13:31:08.400]                         }
[13:31:08.400]                         else {
[13:31:08.400]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:31:08.400]                             info, version)
[13:31:08.400]                         }
[13:31:08.400]                         base::stop(msg)
[13:31:08.400]                       }
[13:31:08.400]                     })
[13:31:08.400]                   }
[13:31:08.400]                   ...future.strategy.old <- future::plan("list")
[13:31:08.400]                   options(future.plan = NULL)
[13:31:08.400]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.400]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:31:08.400]                 }
[13:31:08.400]                 ...future.workdir <- getwd()
[13:31:08.400]             }
[13:31:08.400]             ...future.oldOptions <- base::as.list(base::.Options)
[13:31:08.400]             ...future.oldEnvVars <- base::Sys.getenv()
[13:31:08.400]         }
[13:31:08.400]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[13:31:08.400]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:31:08.400]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[13:31:08.400]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[13:31:08.400]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:31:08.400]             future.stdout.windows.reencode = NULL, width = 80L)
[13:31:08.400]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:31:08.400]             base::names(...future.oldOptions))
[13:31:08.400]     }
[13:31:08.400]     if (FALSE) {
[13:31:08.400]     }
[13:31:08.400]     else {
[13:31:08.400]         if (TRUE) {
[13:31:08.400]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:31:08.400]                 open = "w")
[13:31:08.400]         }
[13:31:08.400]         else {
[13:31:08.400]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:31:08.400]                 windows = "NUL", "/dev/null"), open = "w")
[13:31:08.400]         }
[13:31:08.400]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:31:08.400]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:31:08.400]             base::sink(type = "output", split = FALSE)
[13:31:08.400]             base::close(...future.stdout)
[13:31:08.400]         }, add = TRUE)
[13:31:08.400]     }
[13:31:08.400]     ...future.frame <- base::sys.nframe()
[13:31:08.400]     ...future.conditions <- base::list()
[13:31:08.400]     ...future.rng <- base::globalenv()$.Random.seed
[13:31:08.400]     if (FALSE) {
[13:31:08.400]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:31:08.400]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:31:08.400]     }
[13:31:08.400]     ...future.result <- base::tryCatch({
[13:31:08.400]         base::withCallingHandlers({
[13:31:08.400]             ...future.value <- base::withVisible(base::local({
[13:31:08.400]                 x[["a"]] <- 1
[13:31:08.400]                 x
[13:31:08.400]             }))
[13:31:08.400]             future::FutureResult(value = ...future.value$value, 
[13:31:08.400]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.400]                   ...future.rng), globalenv = if (FALSE) 
[13:31:08.400]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:31:08.400]                     ...future.globalenv.names))
[13:31:08.400]                 else NULL, started = ...future.startTime, version = "1.8")
[13:31:08.400]         }, condition = base::local({
[13:31:08.400]             c <- base::c
[13:31:08.400]             inherits <- base::inherits
[13:31:08.400]             invokeRestart <- base::invokeRestart
[13:31:08.400]             length <- base::length
[13:31:08.400]             list <- base::list
[13:31:08.400]             seq.int <- base::seq.int
[13:31:08.400]             signalCondition <- base::signalCondition
[13:31:08.400]             sys.calls <- base::sys.calls
[13:31:08.400]             `[[` <- base::`[[`
[13:31:08.400]             `+` <- base::`+`
[13:31:08.400]             `<<-` <- base::`<<-`
[13:31:08.400]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:31:08.400]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:31:08.400]                   3L)]
[13:31:08.400]             }
[13:31:08.400]             function(cond) {
[13:31:08.400]                 is_error <- inherits(cond, "error")
[13:31:08.400]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:31:08.400]                   NULL)
[13:31:08.400]                 if (is_error) {
[13:31:08.400]                   sessionInformation <- function() {
[13:31:08.400]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:31:08.400]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:31:08.400]                       search = base::search(), system = base::Sys.info())
[13:31:08.400]                   }
[13:31:08.400]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.400]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:31:08.400]                     cond$call), session = sessionInformation(), 
[13:31:08.400]                     timestamp = base::Sys.time(), signaled = 0L)
[13:31:08.400]                   signalCondition(cond)
[13:31:08.400]                 }
[13:31:08.400]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:31:08.400]                   signal <- FALSE && inherits(cond, character(0))
[13:31:08.400]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.400]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:31:08.400]                   if (FALSE && !signal) {
[13:31:08.400]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.400]                     {
[13:31:08.400]                       inherits <- base::inherits
[13:31:08.400]                       invokeRestart <- base::invokeRestart
[13:31:08.400]                       is.null <- base::is.null
[13:31:08.400]                       muffled <- FALSE
[13:31:08.400]                       if (inherits(cond, "message")) {
[13:31:08.400]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.400]                         if (muffled) 
[13:31:08.400]                           invokeRestart("muffleMessage")
[13:31:08.400]                       }
[13:31:08.400]                       else if (inherits(cond, "warning")) {
[13:31:08.400]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.400]                         if (muffled) 
[13:31:08.400]                           invokeRestart("muffleWarning")
[13:31:08.400]                       }
[13:31:08.400]                       else if (inherits(cond, "condition")) {
[13:31:08.400]                         if (!is.null(pattern)) {
[13:31:08.400]                           computeRestarts <- base::computeRestarts
[13:31:08.400]                           grepl <- base::grepl
[13:31:08.400]                           restarts <- computeRestarts(cond)
[13:31:08.400]                           for (restart in restarts) {
[13:31:08.400]                             name <- restart$name
[13:31:08.400]                             if (is.null(name)) 
[13:31:08.400]                               next
[13:31:08.400]                             if (!grepl(pattern, name)) 
[13:31:08.400]                               next
[13:31:08.400]                             invokeRestart(restart)
[13:31:08.400]                             muffled <- TRUE
[13:31:08.400]                             break
[13:31:08.400]                           }
[13:31:08.400]                         }
[13:31:08.400]                       }
[13:31:08.400]                       invisible(muffled)
[13:31:08.400]                     }
[13:31:08.400]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.400]                   }
[13:31:08.400]                 }
[13:31:08.400]                 else {
[13:31:08.400]                   if (TRUE) {
[13:31:08.400]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.400]                     {
[13:31:08.400]                       inherits <- base::inherits
[13:31:08.400]                       invokeRestart <- base::invokeRestart
[13:31:08.400]                       is.null <- base::is.null
[13:31:08.400]                       muffled <- FALSE
[13:31:08.400]                       if (inherits(cond, "message")) {
[13:31:08.400]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.400]                         if (muffled) 
[13:31:08.400]                           invokeRestart("muffleMessage")
[13:31:08.400]                       }
[13:31:08.400]                       else if (inherits(cond, "warning")) {
[13:31:08.400]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.400]                         if (muffled) 
[13:31:08.400]                           invokeRestart("muffleWarning")
[13:31:08.400]                       }
[13:31:08.400]                       else if (inherits(cond, "condition")) {
[13:31:08.400]                         if (!is.null(pattern)) {
[13:31:08.400]                           computeRestarts <- base::computeRestarts
[13:31:08.400]                           grepl <- base::grepl
[13:31:08.400]                           restarts <- computeRestarts(cond)
[13:31:08.400]                           for (restart in restarts) {
[13:31:08.400]                             name <- restart$name
[13:31:08.400]                             if (is.null(name)) 
[13:31:08.400]                               next
[13:31:08.400]                             if (!grepl(pattern, name)) 
[13:31:08.400]                               next
[13:31:08.400]                             invokeRestart(restart)
[13:31:08.400]                             muffled <- TRUE
[13:31:08.400]                             break
[13:31:08.400]                           }
[13:31:08.400]                         }
[13:31:08.400]                       }
[13:31:08.400]                       invisible(muffled)
[13:31:08.400]                     }
[13:31:08.400]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.400]                   }
[13:31:08.400]                 }
[13:31:08.400]             }
[13:31:08.400]         }))
[13:31:08.400]     }, error = function(ex) {
[13:31:08.400]         base::structure(base::list(value = NULL, visible = NULL, 
[13:31:08.400]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.400]                 ...future.rng), started = ...future.startTime, 
[13:31:08.400]             finished = Sys.time(), session_uuid = NA_character_, 
[13:31:08.400]             version = "1.8"), class = "FutureResult")
[13:31:08.400]     }, finally = {
[13:31:08.400]         if (!identical(...future.workdir, getwd())) 
[13:31:08.400]             setwd(...future.workdir)
[13:31:08.400]         {
[13:31:08.400]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:31:08.400]                 ...future.oldOptions$nwarnings <- NULL
[13:31:08.400]             }
[13:31:08.400]             base::options(...future.oldOptions)
[13:31:08.400]             if (.Platform$OS.type == "windows") {
[13:31:08.400]                 old_names <- names(...future.oldEnvVars)
[13:31:08.400]                 envs <- base::Sys.getenv()
[13:31:08.400]                 names <- names(envs)
[13:31:08.400]                 common <- intersect(names, old_names)
[13:31:08.400]                 added <- setdiff(names, old_names)
[13:31:08.400]                 removed <- setdiff(old_names, names)
[13:31:08.400]                 changed <- common[...future.oldEnvVars[common] != 
[13:31:08.400]                   envs[common]]
[13:31:08.400]                 NAMES <- toupper(changed)
[13:31:08.400]                 args <- list()
[13:31:08.400]                 for (kk in seq_along(NAMES)) {
[13:31:08.400]                   name <- changed[[kk]]
[13:31:08.400]                   NAME <- NAMES[[kk]]
[13:31:08.400]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.400]                     next
[13:31:08.400]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.400]                 }
[13:31:08.400]                 NAMES <- toupper(added)
[13:31:08.400]                 for (kk in seq_along(NAMES)) {
[13:31:08.400]                   name <- added[[kk]]
[13:31:08.400]                   NAME <- NAMES[[kk]]
[13:31:08.400]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.400]                     next
[13:31:08.400]                   args[[name]] <- ""
[13:31:08.400]                 }
[13:31:08.400]                 NAMES <- toupper(removed)
[13:31:08.400]                 for (kk in seq_along(NAMES)) {
[13:31:08.400]                   name <- removed[[kk]]
[13:31:08.400]                   NAME <- NAMES[[kk]]
[13:31:08.400]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.400]                     next
[13:31:08.400]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.400]                 }
[13:31:08.400]                 if (length(args) > 0) 
[13:31:08.400]                   base::do.call(base::Sys.setenv, args = args)
[13:31:08.400]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:31:08.400]             }
[13:31:08.400]             else {
[13:31:08.400]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:31:08.400]             }
[13:31:08.400]             {
[13:31:08.400]                 if (base::length(...future.futureOptionsAdded) > 
[13:31:08.400]                   0L) {
[13:31:08.400]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:31:08.400]                   base::names(opts) <- ...future.futureOptionsAdded
[13:31:08.400]                   base::options(opts)
[13:31:08.400]                 }
[13:31:08.400]                 {
[13:31:08.400]                   NULL
[13:31:08.400]                   options(future.plan = NULL)
[13:31:08.400]                   if (is.na(NA_character_)) 
[13:31:08.400]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.400]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:31:08.400]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:31:08.400]                     .init = FALSE)
[13:31:08.400]                 }
[13:31:08.400]             }
[13:31:08.400]         }
[13:31:08.400]     })
[13:31:08.400]     if (TRUE) {
[13:31:08.400]         base::sink(type = "output", split = FALSE)
[13:31:08.400]         if (TRUE) {
[13:31:08.400]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:31:08.400]         }
[13:31:08.400]         else {
[13:31:08.400]             ...future.result["stdout"] <- base::list(NULL)
[13:31:08.400]         }
[13:31:08.400]         base::close(...future.stdout)
[13:31:08.400]         ...future.stdout <- NULL
[13:31:08.400]     }
[13:31:08.400]     ...future.result$conditions <- ...future.conditions
[13:31:08.400]     ...future.result$finished <- base::Sys.time()
[13:31:08.400]     ...future.result
[13:31:08.400] }
[13:31:08.404] - Launch lazy future ... done
[13:31:08.404] run() for 'MiraiFuture' ... done
> rm(list = "x")
> y <- value(f)
> print(y)
$a
[1] 1

> stopifnot(identical(y, y0))
> 
> ## Future assignment
> x <- list()
> y %<-% {
+   x[["a"]] <- 1
+   x
+ }
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[13:31:08.406] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[13:31:08.406] Searching for globals...
[13:31:08.409] - globals found: [5] '{', 'x', '<-', '[[', '[[<-'
[13:31:08.409] Searching for globals ... DONE
[13:31:08.409] Resolving globals: TRUE
[13:31:08.409] Resolving any globals that are futures ...
[13:31:08.409] - globals: [5] '{', 'x', '<-', '[[', '[[<-'
[13:31:08.410] Resolving any globals that are futures ... DONE
[13:31:08.410] Resolving futures part of globals (recursively) ...
[13:31:08.410] resolve() on list ...
[13:31:08.410]  recursive: 99
[13:31:08.411]  length: 1
[13:31:08.411]  elements: 'x'
[13:31:08.411]  length: 0 (resolved future 1)
[13:31:08.411] resolve() on list ... DONE
[13:31:08.411] - globals: [1] 'x'
[13:31:08.411] Resolving futures part of globals (recursively) ... DONE
[13:31:08.412] The total size of the 1 globals is 0 bytes (0 bytes)
[13:31:08.412] The total size of the 1 globals exported for future expression ('{; x[["a"]] <- 1; x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[13:31:08.412] - globals: [1] 'x'
[13:31:08.412] 
[13:31:08.413] getGlobalsAndPackages() ... DONE
[13:31:08.413] run() for 'Future' ...
[13:31:08.413] - state: 'created'
[13:31:08.413] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:31:08.416] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:31:08.416] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:31:08.416]   - Field: 'label'
[13:31:08.416]   - Field: 'local'
[13:31:08.416]   - Field: 'owner'
[13:31:08.416]   - Field: 'envir'
[13:31:08.417]   - Field: 'packages'
[13:31:08.417]   - Field: 'gc'
[13:31:08.417]   - Field: 'conditions'
[13:31:08.417]   - Field: 'expr'
[13:31:08.417]   - Field: 'uuid'
[13:31:08.417]   - Field: 'seed'
[13:31:08.418]   - Field: 'version'
[13:31:08.418]   - Field: 'result'
[13:31:08.418]   - Field: 'asynchronous'
[13:31:08.418]   - Field: 'calls'
[13:31:08.418]   - Field: 'globals'
[13:31:08.418]   - Field: 'stdout'
[13:31:08.419]   - Field: 'earlySignal'
[13:31:08.419]   - Field: 'lazy'
[13:31:08.419]   - Field: 'state'
[13:31:08.419]   - Field: '.cluster'
[13:31:08.419] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:31:08.419] - Launch lazy future ...
[13:31:08.420] Packages needed by the future expression (n = 0): <none>
[13:31:08.420] Packages needed by future strategies (n = 0): <none>
[13:31:08.420] {
[13:31:08.420]     {
[13:31:08.420]         {
[13:31:08.420]             ...future.startTime <- base::Sys.time()
[13:31:08.420]             {
[13:31:08.420]                 {
[13:31:08.420]                   {
[13:31:08.420]                     base::local({
[13:31:08.420]                       has_future <- base::requireNamespace("future", 
[13:31:08.420]                         quietly = TRUE)
[13:31:08.420]                       if (has_future) {
[13:31:08.420]                         ns <- base::getNamespace("future")
[13:31:08.420]                         version <- ns[[".package"]][["version"]]
[13:31:08.420]                         if (is.null(version)) 
[13:31:08.420]                           version <- utils::packageVersion("future")
[13:31:08.420]                       }
[13:31:08.420]                       else {
[13:31:08.420]                         version <- NULL
[13:31:08.420]                       }
[13:31:08.420]                       if (!has_future || version < "1.8.0") {
[13:31:08.420]                         info <- base::c(r_version = base::gsub("R version ", 
[13:31:08.420]                           "", base::R.version$version.string), 
[13:31:08.420]                           platform = base::sprintf("%s (%s-bit)", 
[13:31:08.420]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:31:08.420]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:31:08.420]                             "release", "version")], collapse = " "), 
[13:31:08.420]                           hostname = base::Sys.info()[["nodename"]])
[13:31:08.420]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:31:08.420]                           info)
[13:31:08.420]                         info <- base::paste(info, collapse = "; ")
[13:31:08.420]                         if (!has_future) {
[13:31:08.420]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:31:08.420]                             info)
[13:31:08.420]                         }
[13:31:08.420]                         else {
[13:31:08.420]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:31:08.420]                             info, version)
[13:31:08.420]                         }
[13:31:08.420]                         base::stop(msg)
[13:31:08.420]                       }
[13:31:08.420]                     })
[13:31:08.420]                   }
[13:31:08.420]                   ...future.strategy.old <- future::plan("list")
[13:31:08.420]                   options(future.plan = NULL)
[13:31:08.420]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.420]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:31:08.420]                 }
[13:31:08.420]                 ...future.workdir <- getwd()
[13:31:08.420]             }
[13:31:08.420]             ...future.oldOptions <- base::as.list(base::.Options)
[13:31:08.420]             ...future.oldEnvVars <- base::Sys.getenv()
[13:31:08.420]         }
[13:31:08.420]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[13:31:08.420]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:31:08.420]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[13:31:08.420]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[13:31:08.420]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:31:08.420]             future.stdout.windows.reencode = NULL, width = 80L)
[13:31:08.420]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:31:08.420]             base::names(...future.oldOptions))
[13:31:08.420]     }
[13:31:08.420]     if (FALSE) {
[13:31:08.420]     }
[13:31:08.420]     else {
[13:31:08.420]         if (TRUE) {
[13:31:08.420]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:31:08.420]                 open = "w")
[13:31:08.420]         }
[13:31:08.420]         else {
[13:31:08.420]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:31:08.420]                 windows = "NUL", "/dev/null"), open = "w")
[13:31:08.420]         }
[13:31:08.420]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:31:08.420]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:31:08.420]             base::sink(type = "output", split = FALSE)
[13:31:08.420]             base::close(...future.stdout)
[13:31:08.420]         }, add = TRUE)
[13:31:08.420]     }
[13:31:08.420]     ...future.frame <- base::sys.nframe()
[13:31:08.420]     ...future.conditions <- base::list()
[13:31:08.420]     ...future.rng <- base::globalenv()$.Random.seed
[13:31:08.420]     if (FALSE) {
[13:31:08.420]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:31:08.420]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:31:08.420]     }
[13:31:08.420]     ...future.result <- base::tryCatch({
[13:31:08.420]         base::withCallingHandlers({
[13:31:08.420]             ...future.value <- base::withVisible(base::local({
[13:31:08.420]                 x[["a"]] <- 1
[13:31:08.420]                 x
[13:31:08.420]             }))
[13:31:08.420]             future::FutureResult(value = ...future.value$value, 
[13:31:08.420]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.420]                   ...future.rng), globalenv = if (FALSE) 
[13:31:08.420]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:31:08.420]                     ...future.globalenv.names))
[13:31:08.420]                 else NULL, started = ...future.startTime, version = "1.8")
[13:31:08.420]         }, condition = base::local({
[13:31:08.420]             c <- base::c
[13:31:08.420]             inherits <- base::inherits
[13:31:08.420]             invokeRestart <- base::invokeRestart
[13:31:08.420]             length <- base::length
[13:31:08.420]             list <- base::list
[13:31:08.420]             seq.int <- base::seq.int
[13:31:08.420]             signalCondition <- base::signalCondition
[13:31:08.420]             sys.calls <- base::sys.calls
[13:31:08.420]             `[[` <- base::`[[`
[13:31:08.420]             `+` <- base::`+`
[13:31:08.420]             `<<-` <- base::`<<-`
[13:31:08.420]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:31:08.420]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:31:08.420]                   3L)]
[13:31:08.420]             }
[13:31:08.420]             function(cond) {
[13:31:08.420]                 is_error <- inherits(cond, "error")
[13:31:08.420]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:31:08.420]                   NULL)
[13:31:08.420]                 if (is_error) {
[13:31:08.420]                   sessionInformation <- function() {
[13:31:08.420]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:31:08.420]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:31:08.420]                       search = base::search(), system = base::Sys.info())
[13:31:08.420]                   }
[13:31:08.420]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.420]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:31:08.420]                     cond$call), session = sessionInformation(), 
[13:31:08.420]                     timestamp = base::Sys.time(), signaled = 0L)
[13:31:08.420]                   signalCondition(cond)
[13:31:08.420]                 }
[13:31:08.420]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:31:08.420]                   signal <- FALSE && inherits(cond, character(0))
[13:31:08.420]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.420]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:31:08.420]                   if (FALSE && !signal) {
[13:31:08.420]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.420]                     {
[13:31:08.420]                       inherits <- base::inherits
[13:31:08.420]                       invokeRestart <- base::invokeRestart
[13:31:08.420]                       is.null <- base::is.null
[13:31:08.420]                       muffled <- FALSE
[13:31:08.420]                       if (inherits(cond, "message")) {
[13:31:08.420]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.420]                         if (muffled) 
[13:31:08.420]                           invokeRestart("muffleMessage")
[13:31:08.420]                       }
[13:31:08.420]                       else if (inherits(cond, "warning")) {
[13:31:08.420]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.420]                         if (muffled) 
[13:31:08.420]                           invokeRestart("muffleWarning")
[13:31:08.420]                       }
[13:31:08.420]                       else if (inherits(cond, "condition")) {
[13:31:08.420]                         if (!is.null(pattern)) {
[13:31:08.420]                           computeRestarts <- base::computeRestarts
[13:31:08.420]                           grepl <- base::grepl
[13:31:08.420]                           restarts <- computeRestarts(cond)
[13:31:08.420]                           for (restart in restarts) {
[13:31:08.420]                             name <- restart$name
[13:31:08.420]                             if (is.null(name)) 
[13:31:08.420]                               next
[13:31:08.420]                             if (!grepl(pattern, name)) 
[13:31:08.420]                               next
[13:31:08.420]                             invokeRestart(restart)
[13:31:08.420]                             muffled <- TRUE
[13:31:08.420]                             break
[13:31:08.420]                           }
[13:31:08.420]                         }
[13:31:08.420]                       }
[13:31:08.420]                       invisible(muffled)
[13:31:08.420]                     }
[13:31:08.420]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.420]                   }
[13:31:08.420]                 }
[13:31:08.420]                 else {
[13:31:08.420]                   if (TRUE) {
[13:31:08.420]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.420]                     {
[13:31:08.420]                       inherits <- base::inherits
[13:31:08.420]                       invokeRestart <- base::invokeRestart
[13:31:08.420]                       is.null <- base::is.null
[13:31:08.420]                       muffled <- FALSE
[13:31:08.420]                       if (inherits(cond, "message")) {
[13:31:08.420]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.420]                         if (muffled) 
[13:31:08.420]                           invokeRestart("muffleMessage")
[13:31:08.420]                       }
[13:31:08.420]                       else if (inherits(cond, "warning")) {
[13:31:08.420]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.420]                         if (muffled) 
[13:31:08.420]                           invokeRestart("muffleWarning")
[13:31:08.420]                       }
[13:31:08.420]                       else if (inherits(cond, "condition")) {
[13:31:08.420]                         if (!is.null(pattern)) {
[13:31:08.420]                           computeRestarts <- base::computeRestarts
[13:31:08.420]                           grepl <- base::grepl
[13:31:08.420]                           restarts <- computeRestarts(cond)
[13:31:08.420]                           for (restart in restarts) {
[13:31:08.420]                             name <- restart$name
[13:31:08.420]                             if (is.null(name)) 
[13:31:08.420]                               next
[13:31:08.420]                             if (!grepl(pattern, name)) 
[13:31:08.420]                               next
[13:31:08.420]                             invokeRestart(restart)
[13:31:08.420]                             muffled <- TRUE
[13:31:08.420]                             break
[13:31:08.420]                           }
[13:31:08.420]                         }
[13:31:08.420]                       }
[13:31:08.420]                       invisible(muffled)
[13:31:08.420]                     }
[13:31:08.420]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.420]                   }
[13:31:08.420]                 }
[13:31:08.420]             }
[13:31:08.420]         }))
[13:31:08.420]     }, error = function(ex) {
[13:31:08.420]         base::structure(base::list(value = NULL, visible = NULL, 
[13:31:08.420]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.420]                 ...future.rng), started = ...future.startTime, 
[13:31:08.420]             finished = Sys.time(), session_uuid = NA_character_, 
[13:31:08.420]             version = "1.8"), class = "FutureResult")
[13:31:08.420]     }, finally = {
[13:31:08.420]         if (!identical(...future.workdir, getwd())) 
[13:31:08.420]             setwd(...future.workdir)
[13:31:08.420]         {
[13:31:08.420]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:31:08.420]                 ...future.oldOptions$nwarnings <- NULL
[13:31:08.420]             }
[13:31:08.420]             base::options(...future.oldOptions)
[13:31:08.420]             if (.Platform$OS.type == "windows") {
[13:31:08.420]                 old_names <- names(...future.oldEnvVars)
[13:31:08.420]                 envs <- base::Sys.getenv()
[13:31:08.420]                 names <- names(envs)
[13:31:08.420]                 common <- intersect(names, old_names)
[13:31:08.420]                 added <- setdiff(names, old_names)
[13:31:08.420]                 removed <- setdiff(old_names, names)
[13:31:08.420]                 changed <- common[...future.oldEnvVars[common] != 
[13:31:08.420]                   envs[common]]
[13:31:08.420]                 NAMES <- toupper(changed)
[13:31:08.420]                 args <- list()
[13:31:08.420]                 for (kk in seq_along(NAMES)) {
[13:31:08.420]                   name <- changed[[kk]]
[13:31:08.420]                   NAME <- NAMES[[kk]]
[13:31:08.420]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.420]                     next
[13:31:08.420]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.420]                 }
[13:31:08.420]                 NAMES <- toupper(added)
[13:31:08.420]                 for (kk in seq_along(NAMES)) {
[13:31:08.420]                   name <- added[[kk]]
[13:31:08.420]                   NAME <- NAMES[[kk]]
[13:31:08.420]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.420]                     next
[13:31:08.420]                   args[[name]] <- ""
[13:31:08.420]                 }
[13:31:08.420]                 NAMES <- toupper(removed)
[13:31:08.420]                 for (kk in seq_along(NAMES)) {
[13:31:08.420]                   name <- removed[[kk]]
[13:31:08.420]                   NAME <- NAMES[[kk]]
[13:31:08.420]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.420]                     next
[13:31:08.420]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.420]                 }
[13:31:08.420]                 if (length(args) > 0) 
[13:31:08.420]                   base::do.call(base::Sys.setenv, args = args)
[13:31:08.420]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:31:08.420]             }
[13:31:08.420]             else {
[13:31:08.420]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:31:08.420]             }
[13:31:08.420]             {
[13:31:08.420]                 if (base::length(...future.futureOptionsAdded) > 
[13:31:08.420]                   0L) {
[13:31:08.420]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:31:08.420]                   base::names(opts) <- ...future.futureOptionsAdded
[13:31:08.420]                   base::options(opts)
[13:31:08.420]                 }
[13:31:08.420]                 {
[13:31:08.420]                   NULL
[13:31:08.420]                   options(future.plan = NULL)
[13:31:08.420]                   if (is.na(NA_character_)) 
[13:31:08.420]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.420]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:31:08.420]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:31:08.420]                     .init = FALSE)
[13:31:08.420]                 }
[13:31:08.420]             }
[13:31:08.420]         }
[13:31:08.420]     })
[13:31:08.420]     if (TRUE) {
[13:31:08.420]         base::sink(type = "output", split = FALSE)
[13:31:08.420]         if (TRUE) {
[13:31:08.420]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:31:08.420]         }
[13:31:08.420]         else {
[13:31:08.420]             ...future.result["stdout"] <- base::list(NULL)
[13:31:08.420]         }
[13:31:08.420]         base::close(...future.stdout)
[13:31:08.420]         ...future.stdout <- NULL
[13:31:08.420]     }
[13:31:08.420]     ...future.result$conditions <- ...future.conditions
[13:31:08.420]     ...future.result$finished <- base::Sys.time()
[13:31:08.420]     ...future.result
[13:31:08.420] }
[13:31:08.424] - Launch lazy future ... done
[13:31:08.424] run() for 'MiraiFuture' ... done
> rm(list = "x")
> print(y)
$a
[1] 1

> stopifnot(identical(y, y0))
> 
> ## Explicit future
> x <- list()
> f <- future({
+   x["a"] <- list(1)
+   x
+ })
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[13:31:08.427] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[13:31:08.427] Searching for globals...
[13:31:08.431] - globals found: [6] '{', 'x', '<-', '[', '[<-', 'list'
[13:31:08.431] Searching for globals ... DONE
[13:31:08.431] Resolving globals: TRUE
[13:31:08.431] Resolving any globals that are futures ...
[13:31:08.431] - globals: [6] '{', 'x', '<-', '[', '[<-', 'list'
[13:31:08.431] Resolving any globals that are futures ... DONE
[13:31:08.432] Resolving futures part of globals (recursively) ...
[13:31:08.432] resolve() on list ...
[13:31:08.432]  recursive: 99
[13:31:08.433]  length: 1
[13:31:08.433]  elements: 'x'
[13:31:08.433]  length: 0 (resolved future 1)
[13:31:08.433] resolve() on list ... DONE
[13:31:08.433] - globals: [1] 'x'
[13:31:08.433] Resolving futures part of globals (recursively) ... DONE
[13:31:08.434] The total size of the 1 globals is 0 bytes (0 bytes)
[13:31:08.434] The total size of the 1 globals exported for future expression ('{; x["a"] <- list(1); x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[13:31:08.434] - globals: [1] 'x'
[13:31:08.434] 
[13:31:08.435] getGlobalsAndPackages() ... DONE
[13:31:08.435] run() for 'Future' ...
[13:31:08.435] - state: 'created'
[13:31:08.435] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:31:08.437] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:31:08.438] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:31:08.438]   - Field: 'label'
[13:31:08.438]   - Field: 'local'
[13:31:08.438]   - Field: 'owner'
[13:31:08.438]   - Field: 'envir'
[13:31:08.439]   - Field: 'packages'
[13:31:08.439]   - Field: 'gc'
[13:31:08.439]   - Field: 'conditions'
[13:31:08.439]   - Field: 'expr'
[13:31:08.439]   - Field: 'uuid'
[13:31:08.439]   - Field: 'seed'
[13:31:08.440]   - Field: 'version'
[13:31:08.440]   - Field: 'result'
[13:31:08.440]   - Field: 'asynchronous'
[13:31:08.440]   - Field: 'calls'
[13:31:08.440]   - Field: 'globals'
[13:31:08.440]   - Field: 'stdout'
[13:31:08.441]   - Field: 'earlySignal'
[13:31:08.441]   - Field: 'lazy'
[13:31:08.441]   - Field: 'state'
[13:31:08.441]   - Field: '.cluster'
[13:31:08.441] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:31:08.441] - Launch lazy future ...
[13:31:08.442] Packages needed by the future expression (n = 0): <none>
[13:31:08.442] Packages needed by future strategies (n = 0): <none>
[13:31:08.442] {
[13:31:08.442]     {
[13:31:08.442]         {
[13:31:08.442]             ...future.startTime <- base::Sys.time()
[13:31:08.442]             {
[13:31:08.442]                 {
[13:31:08.442]                   {
[13:31:08.442]                     base::local({
[13:31:08.442]                       has_future <- base::requireNamespace("future", 
[13:31:08.442]                         quietly = TRUE)
[13:31:08.442]                       if (has_future) {
[13:31:08.442]                         ns <- base::getNamespace("future")
[13:31:08.442]                         version <- ns[[".package"]][["version"]]
[13:31:08.442]                         if (is.null(version)) 
[13:31:08.442]                           version <- utils::packageVersion("future")
[13:31:08.442]                       }
[13:31:08.442]                       else {
[13:31:08.442]                         version <- NULL
[13:31:08.442]                       }
[13:31:08.442]                       if (!has_future || version < "1.8.0") {
[13:31:08.442]                         info <- base::c(r_version = base::gsub("R version ", 
[13:31:08.442]                           "", base::R.version$version.string), 
[13:31:08.442]                           platform = base::sprintf("%s (%s-bit)", 
[13:31:08.442]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:31:08.442]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:31:08.442]                             "release", "version")], collapse = " "), 
[13:31:08.442]                           hostname = base::Sys.info()[["nodename"]])
[13:31:08.442]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:31:08.442]                           info)
[13:31:08.442]                         info <- base::paste(info, collapse = "; ")
[13:31:08.442]                         if (!has_future) {
[13:31:08.442]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:31:08.442]                             info)
[13:31:08.442]                         }
[13:31:08.442]                         else {
[13:31:08.442]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:31:08.442]                             info, version)
[13:31:08.442]                         }
[13:31:08.442]                         base::stop(msg)
[13:31:08.442]                       }
[13:31:08.442]                     })
[13:31:08.442]                   }
[13:31:08.442]                   ...future.strategy.old <- future::plan("list")
[13:31:08.442]                   options(future.plan = NULL)
[13:31:08.442]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.442]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:31:08.442]                 }
[13:31:08.442]                 ...future.workdir <- getwd()
[13:31:08.442]             }
[13:31:08.442]             ...future.oldOptions <- base::as.list(base::.Options)
[13:31:08.442]             ...future.oldEnvVars <- base::Sys.getenv()
[13:31:08.442]         }
[13:31:08.442]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[13:31:08.442]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:31:08.442]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[13:31:08.442]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[13:31:08.442]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:31:08.442]             future.stdout.windows.reencode = NULL, width = 80L)
[13:31:08.442]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:31:08.442]             base::names(...future.oldOptions))
[13:31:08.442]     }
[13:31:08.442]     if (FALSE) {
[13:31:08.442]     }
[13:31:08.442]     else {
[13:31:08.442]         if (TRUE) {
[13:31:08.442]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:31:08.442]                 open = "w")
[13:31:08.442]         }
[13:31:08.442]         else {
[13:31:08.442]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:31:08.442]                 windows = "NUL", "/dev/null"), open = "w")
[13:31:08.442]         }
[13:31:08.442]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:31:08.442]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:31:08.442]             base::sink(type = "output", split = FALSE)
[13:31:08.442]             base::close(...future.stdout)
[13:31:08.442]         }, add = TRUE)
[13:31:08.442]     }
[13:31:08.442]     ...future.frame <- base::sys.nframe()
[13:31:08.442]     ...future.conditions <- base::list()
[13:31:08.442]     ...future.rng <- base::globalenv()$.Random.seed
[13:31:08.442]     if (FALSE) {
[13:31:08.442]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:31:08.442]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:31:08.442]     }
[13:31:08.442]     ...future.result <- base::tryCatch({
[13:31:08.442]         base::withCallingHandlers({
[13:31:08.442]             ...future.value <- base::withVisible(base::local({
[13:31:08.442]                 x["a"] <- list(1)
[13:31:08.442]                 x
[13:31:08.442]             }))
[13:31:08.442]             future::FutureResult(value = ...future.value$value, 
[13:31:08.442]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.442]                   ...future.rng), globalenv = if (FALSE) 
[13:31:08.442]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:31:08.442]                     ...future.globalenv.names))
[13:31:08.442]                 else NULL, started = ...future.startTime, version = "1.8")
[13:31:08.442]         }, condition = base::local({
[13:31:08.442]             c <- base::c
[13:31:08.442]             inherits <- base::inherits
[13:31:08.442]             invokeRestart <- base::invokeRestart
[13:31:08.442]             length <- base::length
[13:31:08.442]             list <- base::list
[13:31:08.442]             seq.int <- base::seq.int
[13:31:08.442]             signalCondition <- base::signalCondition
[13:31:08.442]             sys.calls <- base::sys.calls
[13:31:08.442]             `[[` <- base::`[[`
[13:31:08.442]             `+` <- base::`+`
[13:31:08.442]             `<<-` <- base::`<<-`
[13:31:08.442]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:31:08.442]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:31:08.442]                   3L)]
[13:31:08.442]             }
[13:31:08.442]             function(cond) {
[13:31:08.442]                 is_error <- inherits(cond, "error")
[13:31:08.442]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:31:08.442]                   NULL)
[13:31:08.442]                 if (is_error) {
[13:31:08.442]                   sessionInformation <- function() {
[13:31:08.442]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:31:08.442]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:31:08.442]                       search = base::search(), system = base::Sys.info())
[13:31:08.442]                   }
[13:31:08.442]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.442]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:31:08.442]                     cond$call), session = sessionInformation(), 
[13:31:08.442]                     timestamp = base::Sys.time(), signaled = 0L)
[13:31:08.442]                   signalCondition(cond)
[13:31:08.442]                 }
[13:31:08.442]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:31:08.442]                   signal <- FALSE && inherits(cond, character(0))
[13:31:08.442]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.442]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:31:08.442]                   if (FALSE && !signal) {
[13:31:08.442]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.442]                     {
[13:31:08.442]                       inherits <- base::inherits
[13:31:08.442]                       invokeRestart <- base::invokeRestart
[13:31:08.442]                       is.null <- base::is.null
[13:31:08.442]                       muffled <- FALSE
[13:31:08.442]                       if (inherits(cond, "message")) {
[13:31:08.442]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.442]                         if (muffled) 
[13:31:08.442]                           invokeRestart("muffleMessage")
[13:31:08.442]                       }
[13:31:08.442]                       else if (inherits(cond, "warning")) {
[13:31:08.442]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.442]                         if (muffled) 
[13:31:08.442]                           invokeRestart("muffleWarning")
[13:31:08.442]                       }
[13:31:08.442]                       else if (inherits(cond, "condition")) {
[13:31:08.442]                         if (!is.null(pattern)) {
[13:31:08.442]                           computeRestarts <- base::computeRestarts
[13:31:08.442]                           grepl <- base::grepl
[13:31:08.442]                           restarts <- computeRestarts(cond)
[13:31:08.442]                           for (restart in restarts) {
[13:31:08.442]                             name <- restart$name
[13:31:08.442]                             if (is.null(name)) 
[13:31:08.442]                               next
[13:31:08.442]                             if (!grepl(pattern, name)) 
[13:31:08.442]                               next
[13:31:08.442]                             invokeRestart(restart)
[13:31:08.442]                             muffled <- TRUE
[13:31:08.442]                             break
[13:31:08.442]                           }
[13:31:08.442]                         }
[13:31:08.442]                       }
[13:31:08.442]                       invisible(muffled)
[13:31:08.442]                     }
[13:31:08.442]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.442]                   }
[13:31:08.442]                 }
[13:31:08.442]                 else {
[13:31:08.442]                   if (TRUE) {
[13:31:08.442]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.442]                     {
[13:31:08.442]                       inherits <- base::inherits
[13:31:08.442]                       invokeRestart <- base::invokeRestart
[13:31:08.442]                       is.null <- base::is.null
[13:31:08.442]                       muffled <- FALSE
[13:31:08.442]                       if (inherits(cond, "message")) {
[13:31:08.442]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.442]                         if (muffled) 
[13:31:08.442]                           invokeRestart("muffleMessage")
[13:31:08.442]                       }
[13:31:08.442]                       else if (inherits(cond, "warning")) {
[13:31:08.442]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.442]                         if (muffled) 
[13:31:08.442]                           invokeRestart("muffleWarning")
[13:31:08.442]                       }
[13:31:08.442]                       else if (inherits(cond, "condition")) {
[13:31:08.442]                         if (!is.null(pattern)) {
[13:31:08.442]                           computeRestarts <- base::computeRestarts
[13:31:08.442]                           grepl <- base::grepl
[13:31:08.442]                           restarts <- computeRestarts(cond)
[13:31:08.442]                           for (restart in restarts) {
[13:31:08.442]                             name <- restart$name
[13:31:08.442]                             if (is.null(name)) 
[13:31:08.442]                               next
[13:31:08.442]                             if (!grepl(pattern, name)) 
[13:31:08.442]                               next
[13:31:08.442]                             invokeRestart(restart)
[13:31:08.442]                             muffled <- TRUE
[13:31:08.442]                             break
[13:31:08.442]                           }
[13:31:08.442]                         }
[13:31:08.442]                       }
[13:31:08.442]                       invisible(muffled)
[13:31:08.442]                     }
[13:31:08.442]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.442]                   }
[13:31:08.442]                 }
[13:31:08.442]             }
[13:31:08.442]         }))
[13:31:08.442]     }, error = function(ex) {
[13:31:08.442]         base::structure(base::list(value = NULL, visible = NULL, 
[13:31:08.442]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.442]                 ...future.rng), started = ...future.startTime, 
[13:31:08.442]             finished = Sys.time(), session_uuid = NA_character_, 
[13:31:08.442]             version = "1.8"), class = "FutureResult")
[13:31:08.442]     }, finally = {
[13:31:08.442]         if (!identical(...future.workdir, getwd())) 
[13:31:08.442]             setwd(...future.workdir)
[13:31:08.442]         {
[13:31:08.442]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:31:08.442]                 ...future.oldOptions$nwarnings <- NULL
[13:31:08.442]             }
[13:31:08.442]             base::options(...future.oldOptions)
[13:31:08.442]             if (.Platform$OS.type == "windows") {
[13:31:08.442]                 old_names <- names(...future.oldEnvVars)
[13:31:08.442]                 envs <- base::Sys.getenv()
[13:31:08.442]                 names <- names(envs)
[13:31:08.442]                 common <- intersect(names, old_names)
[13:31:08.442]                 added <- setdiff(names, old_names)
[13:31:08.442]                 removed <- setdiff(old_names, names)
[13:31:08.442]                 changed <- common[...future.oldEnvVars[common] != 
[13:31:08.442]                   envs[common]]
[13:31:08.442]                 NAMES <- toupper(changed)
[13:31:08.442]                 args <- list()
[13:31:08.442]                 for (kk in seq_along(NAMES)) {
[13:31:08.442]                   name <- changed[[kk]]
[13:31:08.442]                   NAME <- NAMES[[kk]]
[13:31:08.442]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.442]                     next
[13:31:08.442]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.442]                 }
[13:31:08.442]                 NAMES <- toupper(added)
[13:31:08.442]                 for (kk in seq_along(NAMES)) {
[13:31:08.442]                   name <- added[[kk]]
[13:31:08.442]                   NAME <- NAMES[[kk]]
[13:31:08.442]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.442]                     next
[13:31:08.442]                   args[[name]] <- ""
[13:31:08.442]                 }
[13:31:08.442]                 NAMES <- toupper(removed)
[13:31:08.442]                 for (kk in seq_along(NAMES)) {
[13:31:08.442]                   name <- removed[[kk]]
[13:31:08.442]                   NAME <- NAMES[[kk]]
[13:31:08.442]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.442]                     next
[13:31:08.442]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.442]                 }
[13:31:08.442]                 if (length(args) > 0) 
[13:31:08.442]                   base::do.call(base::Sys.setenv, args = args)
[13:31:08.442]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:31:08.442]             }
[13:31:08.442]             else {
[13:31:08.442]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:31:08.442]             }
[13:31:08.442]             {
[13:31:08.442]                 if (base::length(...future.futureOptionsAdded) > 
[13:31:08.442]                   0L) {
[13:31:08.442]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:31:08.442]                   base::names(opts) <- ...future.futureOptionsAdded
[13:31:08.442]                   base::options(opts)
[13:31:08.442]                 }
[13:31:08.442]                 {
[13:31:08.442]                   NULL
[13:31:08.442]                   options(future.plan = NULL)
[13:31:08.442]                   if (is.na(NA_character_)) 
[13:31:08.442]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.442]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:31:08.442]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:31:08.442]                     .init = FALSE)
[13:31:08.442]                 }
[13:31:08.442]             }
[13:31:08.442]         }
[13:31:08.442]     })
[13:31:08.442]     if (TRUE) {
[13:31:08.442]         base::sink(type = "output", split = FALSE)
[13:31:08.442]         if (TRUE) {
[13:31:08.442]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:31:08.442]         }
[13:31:08.442]         else {
[13:31:08.442]             ...future.result["stdout"] <- base::list(NULL)
[13:31:08.442]         }
[13:31:08.442]         base::close(...future.stdout)
[13:31:08.442]         ...future.stdout <- NULL
[13:31:08.442]     }
[13:31:08.442]     ...future.result$conditions <- ...future.conditions
[13:31:08.442]     ...future.result$finished <- base::Sys.time()
[13:31:08.442]     ...future.result
[13:31:08.442] }
[13:31:08.446] - Launch lazy future ... done
[13:31:08.446] run() for 'MiraiFuture' ... done
> rm(list = "x")
> y <- value(f)
> print(y)
$a
[1] 1

> stopifnot(identical(y, y0))
> 
> ## Future assignment
> x <- list()
> y %<-% {
+   x["a"] <- list(1)
+   x
+ }
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[13:31:08.448] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[13:31:08.449] Searching for globals...
[13:31:08.451] - globals found: [6] '{', 'x', '<-', '[', '[<-', 'list'
[13:31:08.452] Searching for globals ... DONE
[13:31:08.452] Resolving globals: TRUE
[13:31:08.452] Resolving any globals that are futures ...
[13:31:08.452] - globals: [6] '{', 'x', '<-', '[', '[<-', 'list'
[13:31:08.452] Resolving any globals that are futures ... DONE
[13:31:08.453] Resolving futures part of globals (recursively) ...
[13:31:08.453] resolve() on list ...
[13:31:08.453]  recursive: 99
[13:31:08.453]  length: 1
[13:31:08.453]  elements: 'x'
[13:31:08.454]  length: 0 (resolved future 1)
[13:31:08.454] resolve() on list ... DONE
[13:31:08.454] - globals: [1] 'x'
[13:31:08.454] Resolving futures part of globals (recursively) ... DONE
[13:31:08.454] The total size of the 1 globals is 0 bytes (0 bytes)
[13:31:08.455] The total size of the 1 globals exported for future expression ('{; x["a"] <- list(1); x; }') is 0 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There is one global: 'x' (0 bytes of class 'list')
[13:31:08.455] - globals: [1] 'x'
[13:31:08.455] 
[13:31:08.455] getGlobalsAndPackages() ... DONE
[13:31:08.455] run() for 'Future' ...
[13:31:08.456] - state: 'created'
[13:31:08.456] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:31:08.458] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:31:08.458] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:31:08.459]   - Field: 'label'
[13:31:08.459]   - Field: 'local'
[13:31:08.459]   - Field: 'owner'
[13:31:08.459]   - Field: 'envir'
[13:31:08.459]   - Field: 'packages'
[13:31:08.459]   - Field: 'gc'
[13:31:08.460]   - Field: 'conditions'
[13:31:08.460]   - Field: 'expr'
[13:31:08.460]   - Field: 'uuid'
[13:31:08.460]   - Field: 'seed'
[13:31:08.460]   - Field: 'version'
[13:31:08.460]   - Field: 'result'
[13:31:08.461]   - Field: 'asynchronous'
[13:31:08.461]   - Field: 'calls'
[13:31:08.462]   - Field: 'globals'
[13:31:08.462]   - Field: 'stdout'
[13:31:08.462]   - Field: 'earlySignal'
[13:31:08.463]   - Field: 'lazy'
[13:31:08.463]   - Field: 'state'
[13:31:08.463]   - Field: '.cluster'
[13:31:08.463] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:31:08.463] - Launch lazy future ...
[13:31:08.463] Packages needed by the future expression (n = 0): <none>
[13:31:08.464] Packages needed by future strategies (n = 0): <none>
[13:31:08.464] {
[13:31:08.464]     {
[13:31:08.464]         {
[13:31:08.464]             ...future.startTime <- base::Sys.time()
[13:31:08.464]             {
[13:31:08.464]                 {
[13:31:08.464]                   {
[13:31:08.464]                     base::local({
[13:31:08.464]                       has_future <- base::requireNamespace("future", 
[13:31:08.464]                         quietly = TRUE)
[13:31:08.464]                       if (has_future) {
[13:31:08.464]                         ns <- base::getNamespace("future")
[13:31:08.464]                         version <- ns[[".package"]][["version"]]
[13:31:08.464]                         if (is.null(version)) 
[13:31:08.464]                           version <- utils::packageVersion("future")
[13:31:08.464]                       }
[13:31:08.464]                       else {
[13:31:08.464]                         version <- NULL
[13:31:08.464]                       }
[13:31:08.464]                       if (!has_future || version < "1.8.0") {
[13:31:08.464]                         info <- base::c(r_version = base::gsub("R version ", 
[13:31:08.464]                           "", base::R.version$version.string), 
[13:31:08.464]                           platform = base::sprintf("%s (%s-bit)", 
[13:31:08.464]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:31:08.464]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:31:08.464]                             "release", "version")], collapse = " "), 
[13:31:08.464]                           hostname = base::Sys.info()[["nodename"]])
[13:31:08.464]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:31:08.464]                           info)
[13:31:08.464]                         info <- base::paste(info, collapse = "; ")
[13:31:08.464]                         if (!has_future) {
[13:31:08.464]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:31:08.464]                             info)
[13:31:08.464]                         }
[13:31:08.464]                         else {
[13:31:08.464]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:31:08.464]                             info, version)
[13:31:08.464]                         }
[13:31:08.464]                         base::stop(msg)
[13:31:08.464]                       }
[13:31:08.464]                     })
[13:31:08.464]                   }
[13:31:08.464]                   ...future.strategy.old <- future::plan("list")
[13:31:08.464]                   options(future.plan = NULL)
[13:31:08.464]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.464]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:31:08.464]                 }
[13:31:08.464]                 ...future.workdir <- getwd()
[13:31:08.464]             }
[13:31:08.464]             ...future.oldOptions <- base::as.list(base::.Options)
[13:31:08.464]             ...future.oldEnvVars <- base::Sys.getenv()
[13:31:08.464]         }
[13:31:08.464]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[13:31:08.464]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:31:08.464]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[13:31:08.464]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[13:31:08.464]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:31:08.464]             future.stdout.windows.reencode = NULL, width = 80L)
[13:31:08.464]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:31:08.464]             base::names(...future.oldOptions))
[13:31:08.464]     }
[13:31:08.464]     if (FALSE) {
[13:31:08.464]     }
[13:31:08.464]     else {
[13:31:08.464]         if (TRUE) {
[13:31:08.464]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:31:08.464]                 open = "w")
[13:31:08.464]         }
[13:31:08.464]         else {
[13:31:08.464]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:31:08.464]                 windows = "NUL", "/dev/null"), open = "w")
[13:31:08.464]         }
[13:31:08.464]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:31:08.464]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:31:08.464]             base::sink(type = "output", split = FALSE)
[13:31:08.464]             base::close(...future.stdout)
[13:31:08.464]         }, add = TRUE)
[13:31:08.464]     }
[13:31:08.464]     ...future.frame <- base::sys.nframe()
[13:31:08.464]     ...future.conditions <- base::list()
[13:31:08.464]     ...future.rng <- base::globalenv()$.Random.seed
[13:31:08.464]     if (FALSE) {
[13:31:08.464]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:31:08.464]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:31:08.464]     }
[13:31:08.464]     ...future.result <- base::tryCatch({
[13:31:08.464]         base::withCallingHandlers({
[13:31:08.464]             ...future.value <- base::withVisible(base::local({
[13:31:08.464]                 x["a"] <- list(1)
[13:31:08.464]                 x
[13:31:08.464]             }))
[13:31:08.464]             future::FutureResult(value = ...future.value$value, 
[13:31:08.464]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.464]                   ...future.rng), globalenv = if (FALSE) 
[13:31:08.464]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:31:08.464]                     ...future.globalenv.names))
[13:31:08.464]                 else NULL, started = ...future.startTime, version = "1.8")
[13:31:08.464]         }, condition = base::local({
[13:31:08.464]             c <- base::c
[13:31:08.464]             inherits <- base::inherits
[13:31:08.464]             invokeRestart <- base::invokeRestart
[13:31:08.464]             length <- base::length
[13:31:08.464]             list <- base::list
[13:31:08.464]             seq.int <- base::seq.int
[13:31:08.464]             signalCondition <- base::signalCondition
[13:31:08.464]             sys.calls <- base::sys.calls
[13:31:08.464]             `[[` <- base::`[[`
[13:31:08.464]             `+` <- base::`+`
[13:31:08.464]             `<<-` <- base::`<<-`
[13:31:08.464]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:31:08.464]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:31:08.464]                   3L)]
[13:31:08.464]             }
[13:31:08.464]             function(cond) {
[13:31:08.464]                 is_error <- inherits(cond, "error")
[13:31:08.464]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:31:08.464]                   NULL)
[13:31:08.464]                 if (is_error) {
[13:31:08.464]                   sessionInformation <- function() {
[13:31:08.464]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:31:08.464]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:31:08.464]                       search = base::search(), system = base::Sys.info())
[13:31:08.464]                   }
[13:31:08.464]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.464]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:31:08.464]                     cond$call), session = sessionInformation(), 
[13:31:08.464]                     timestamp = base::Sys.time(), signaled = 0L)
[13:31:08.464]                   signalCondition(cond)
[13:31:08.464]                 }
[13:31:08.464]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:31:08.464]                   signal <- FALSE && inherits(cond, character(0))
[13:31:08.464]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.464]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:31:08.464]                   if (FALSE && !signal) {
[13:31:08.464]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.464]                     {
[13:31:08.464]                       inherits <- base::inherits
[13:31:08.464]                       invokeRestart <- base::invokeRestart
[13:31:08.464]                       is.null <- base::is.null
[13:31:08.464]                       muffled <- FALSE
[13:31:08.464]                       if (inherits(cond, "message")) {
[13:31:08.464]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.464]                         if (muffled) 
[13:31:08.464]                           invokeRestart("muffleMessage")
[13:31:08.464]                       }
[13:31:08.464]                       else if (inherits(cond, "warning")) {
[13:31:08.464]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.464]                         if (muffled) 
[13:31:08.464]                           invokeRestart("muffleWarning")
[13:31:08.464]                       }
[13:31:08.464]                       else if (inherits(cond, "condition")) {
[13:31:08.464]                         if (!is.null(pattern)) {
[13:31:08.464]                           computeRestarts <- base::computeRestarts
[13:31:08.464]                           grepl <- base::grepl
[13:31:08.464]                           restarts <- computeRestarts(cond)
[13:31:08.464]                           for (restart in restarts) {
[13:31:08.464]                             name <- restart$name
[13:31:08.464]                             if (is.null(name)) 
[13:31:08.464]                               next
[13:31:08.464]                             if (!grepl(pattern, name)) 
[13:31:08.464]                               next
[13:31:08.464]                             invokeRestart(restart)
[13:31:08.464]                             muffled <- TRUE
[13:31:08.464]                             break
[13:31:08.464]                           }
[13:31:08.464]                         }
[13:31:08.464]                       }
[13:31:08.464]                       invisible(muffled)
[13:31:08.464]                     }
[13:31:08.464]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.464]                   }
[13:31:08.464]                 }
[13:31:08.464]                 else {
[13:31:08.464]                   if (TRUE) {
[13:31:08.464]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.464]                     {
[13:31:08.464]                       inherits <- base::inherits
[13:31:08.464]                       invokeRestart <- base::invokeRestart
[13:31:08.464]                       is.null <- base::is.null
[13:31:08.464]                       muffled <- FALSE
[13:31:08.464]                       if (inherits(cond, "message")) {
[13:31:08.464]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.464]                         if (muffled) 
[13:31:08.464]                           invokeRestart("muffleMessage")
[13:31:08.464]                       }
[13:31:08.464]                       else if (inherits(cond, "warning")) {
[13:31:08.464]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.464]                         if (muffled) 
[13:31:08.464]                           invokeRestart("muffleWarning")
[13:31:08.464]                       }
[13:31:08.464]                       else if (inherits(cond, "condition")) {
[13:31:08.464]                         if (!is.null(pattern)) {
[13:31:08.464]                           computeRestarts <- base::computeRestarts
[13:31:08.464]                           grepl <- base::grepl
[13:31:08.464]                           restarts <- computeRestarts(cond)
[13:31:08.464]                           for (restart in restarts) {
[13:31:08.464]                             name <- restart$name
[13:31:08.464]                             if (is.null(name)) 
[13:31:08.464]                               next
[13:31:08.464]                             if (!grepl(pattern, name)) 
[13:31:08.464]                               next
[13:31:08.464]                             invokeRestart(restart)
[13:31:08.464]                             muffled <- TRUE
[13:31:08.464]                             break
[13:31:08.464]                           }
[13:31:08.464]                         }
[13:31:08.464]                       }
[13:31:08.464]                       invisible(muffled)
[13:31:08.464]                     }
[13:31:08.464]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.464]                   }
[13:31:08.464]                 }
[13:31:08.464]             }
[13:31:08.464]         }))
[13:31:08.464]     }, error = function(ex) {
[13:31:08.464]         base::structure(base::list(value = NULL, visible = NULL, 
[13:31:08.464]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.464]                 ...future.rng), started = ...future.startTime, 
[13:31:08.464]             finished = Sys.time(), session_uuid = NA_character_, 
[13:31:08.464]             version = "1.8"), class = "FutureResult")
[13:31:08.464]     }, finally = {
[13:31:08.464]         if (!identical(...future.workdir, getwd())) 
[13:31:08.464]             setwd(...future.workdir)
[13:31:08.464]         {
[13:31:08.464]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:31:08.464]                 ...future.oldOptions$nwarnings <- NULL
[13:31:08.464]             }
[13:31:08.464]             base::options(...future.oldOptions)
[13:31:08.464]             if (.Platform$OS.type == "windows") {
[13:31:08.464]                 old_names <- names(...future.oldEnvVars)
[13:31:08.464]                 envs <- base::Sys.getenv()
[13:31:08.464]                 names <- names(envs)
[13:31:08.464]                 common <- intersect(names, old_names)
[13:31:08.464]                 added <- setdiff(names, old_names)
[13:31:08.464]                 removed <- setdiff(old_names, names)
[13:31:08.464]                 changed <- common[...future.oldEnvVars[common] != 
[13:31:08.464]                   envs[common]]
[13:31:08.464]                 NAMES <- toupper(changed)
[13:31:08.464]                 args <- list()
[13:31:08.464]                 for (kk in seq_along(NAMES)) {
[13:31:08.464]                   name <- changed[[kk]]
[13:31:08.464]                   NAME <- NAMES[[kk]]
[13:31:08.464]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.464]                     next
[13:31:08.464]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.464]                 }
[13:31:08.464]                 NAMES <- toupper(added)
[13:31:08.464]                 for (kk in seq_along(NAMES)) {
[13:31:08.464]                   name <- added[[kk]]
[13:31:08.464]                   NAME <- NAMES[[kk]]
[13:31:08.464]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.464]                     next
[13:31:08.464]                   args[[name]] <- ""
[13:31:08.464]                 }
[13:31:08.464]                 NAMES <- toupper(removed)
[13:31:08.464]                 for (kk in seq_along(NAMES)) {
[13:31:08.464]                   name <- removed[[kk]]
[13:31:08.464]                   NAME <- NAMES[[kk]]
[13:31:08.464]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.464]                     next
[13:31:08.464]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.464]                 }
[13:31:08.464]                 if (length(args) > 0) 
[13:31:08.464]                   base::do.call(base::Sys.setenv, args = args)
[13:31:08.464]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:31:08.464]             }
[13:31:08.464]             else {
[13:31:08.464]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:31:08.464]             }
[13:31:08.464]             {
[13:31:08.464]                 if (base::length(...future.futureOptionsAdded) > 
[13:31:08.464]                   0L) {
[13:31:08.464]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:31:08.464]                   base::names(opts) <- ...future.futureOptionsAdded
[13:31:08.464]                   base::options(opts)
[13:31:08.464]                 }
[13:31:08.464]                 {
[13:31:08.464]                   NULL
[13:31:08.464]                   options(future.plan = NULL)
[13:31:08.464]                   if (is.na(NA_character_)) 
[13:31:08.464]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.464]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:31:08.464]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:31:08.464]                     .init = FALSE)
[13:31:08.464]                 }
[13:31:08.464]             }
[13:31:08.464]         }
[13:31:08.464]     })
[13:31:08.464]     if (TRUE) {
[13:31:08.464]         base::sink(type = "output", split = FALSE)
[13:31:08.464]         if (TRUE) {
[13:31:08.464]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:31:08.464]         }
[13:31:08.464]         else {
[13:31:08.464]             ...future.result["stdout"] <- base::list(NULL)
[13:31:08.464]         }
[13:31:08.464]         base::close(...future.stdout)
[13:31:08.464]         ...future.stdout <- NULL
[13:31:08.464]     }
[13:31:08.464]     ...future.result$conditions <- ...future.conditions
[13:31:08.464]     ...future.result$finished <- base::Sys.time()
[13:31:08.464]     ...future.result
[13:31:08.464] }
[13:31:08.468] - Launch lazy future ... done
[13:31:08.468] run() for 'MiraiFuture' ... done
> rm(list = "x")
> print(y)
$a
[1] 1

> stopifnot(identical(y, y0))
> 
> ## Future assignment
> x <- list()
> name <- "a"
> y %<-% {
+   x[name] <- list(1)
+   x
+ }
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[13:31:08.470] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[13:31:08.471] Searching for globals...
[13:31:08.473] - globals found: [7] '{', 'x', '<-', '[', 'name', '[<-', 'list'
[13:31:08.474] Searching for globals ... DONE
[13:31:08.474] Resolving globals: TRUE
[13:31:08.474] Resolving any globals that are futures ...
[13:31:08.474] - globals: [7] '{', 'x', '<-', '[', 'name', '[<-', 'list'
[13:31:08.474] Resolving any globals that are futures ... DONE
[13:31:08.475] Resolving futures part of globals (recursively) ...
[13:31:08.475] resolve() on list ...
[13:31:08.475]  recursive: 99
[13:31:08.475]  length: 2
[13:31:08.476]  elements: 'x', 'name'
[13:31:08.476]  length: 1 (resolved future 1)
[13:31:08.476]  length: 0 (resolved future 2)
[13:31:08.476] resolve() on list ... DONE
[13:31:08.476] - globals: [2] 'x', 'name'
[13:31:08.476] Resolving futures part of globals (recursively) ... DONE
[13:31:08.477] The total size of the 2 globals is 112 bytes (112 bytes)
[13:31:08.477] The total size of the 2 globals exported for future expression ('{; x[name] <- list(1); x; }') is 112 bytes.. This exceeds the maximum allowed size of 500.00 MiB (option 'future.globals.maxSize'). There are two globals: 'name' (112 bytes of class 'character') and 'x' (0 bytes of class 'list')
[13:31:08.477] - globals: [2] 'x', 'name'
[13:31:08.478] 
[13:31:08.478] getGlobalsAndPackages() ... DONE
[13:31:08.478] run() for 'Future' ...
[13:31:08.478] - state: 'created'
[13:31:08.479] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[13:31:08.481] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[13:31:08.481] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[13:31:08.481]   - Field: 'label'
[13:31:08.481]   - Field: 'local'
[13:31:08.481]   - Field: 'owner'
[13:31:08.482]   - Field: 'envir'
[13:31:08.482]   - Field: 'packages'
[13:31:08.482]   - Field: 'gc'
[13:31:08.482]   - Field: 'conditions'
[13:31:08.482]   - Field: 'expr'
[13:31:08.483]   - Field: 'uuid'
[13:31:08.483]   - Field: 'seed'
[13:31:08.483]   - Field: 'version'
[13:31:08.483]   - Field: 'result'
[13:31:08.483]   - Field: 'asynchronous'
[13:31:08.483]   - Field: 'calls'
[13:31:08.484]   - Field: 'globals'
[13:31:08.484]   - Field: 'stdout'
[13:31:08.484]   - Field: 'earlySignal'
[13:31:08.484]   - Field: 'lazy'
[13:31:08.484]   - Field: 'state'
[13:31:08.484]   - Field: '.cluster'
[13:31:08.485] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[13:31:08.485] - Launch lazy future ...
[13:31:08.485] Packages needed by the future expression (n = 0): <none>
[13:31:08.485] Packages needed by future strategies (n = 0): <none>
[13:31:08.486] {
[13:31:08.486]     {
[13:31:08.486]         {
[13:31:08.486]             ...future.startTime <- base::Sys.time()
[13:31:08.486]             {
[13:31:08.486]                 {
[13:31:08.486]                   {
[13:31:08.486]                     base::local({
[13:31:08.486]                       has_future <- base::requireNamespace("future", 
[13:31:08.486]                         quietly = TRUE)
[13:31:08.486]                       if (has_future) {
[13:31:08.486]                         ns <- base::getNamespace("future")
[13:31:08.486]                         version <- ns[[".package"]][["version"]]
[13:31:08.486]                         if (is.null(version)) 
[13:31:08.486]                           version <- utils::packageVersion("future")
[13:31:08.486]                       }
[13:31:08.486]                       else {
[13:31:08.486]                         version <- NULL
[13:31:08.486]                       }
[13:31:08.486]                       if (!has_future || version < "1.8.0") {
[13:31:08.486]                         info <- base::c(r_version = base::gsub("R version ", 
[13:31:08.486]                           "", base::R.version$version.string), 
[13:31:08.486]                           platform = base::sprintf("%s (%s-bit)", 
[13:31:08.486]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[13:31:08.486]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[13:31:08.486]                             "release", "version")], collapse = " "), 
[13:31:08.486]                           hostname = base::Sys.info()[["nodename"]])
[13:31:08.486]                         info <- base::sprintf("%s: %s", base::names(info), 
[13:31:08.486]                           info)
[13:31:08.486]                         info <- base::paste(info, collapse = "; ")
[13:31:08.486]                         if (!has_future) {
[13:31:08.486]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[13:31:08.486]                             info)
[13:31:08.486]                         }
[13:31:08.486]                         else {
[13:31:08.486]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[13:31:08.486]                             info, version)
[13:31:08.486]                         }
[13:31:08.486]                         base::stop(msg)
[13:31:08.486]                       }
[13:31:08.486]                     })
[13:31:08.486]                   }
[13:31:08.486]                   ...future.strategy.old <- future::plan("list")
[13:31:08.486]                   options(future.plan = NULL)
[13:31:08.486]                   Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.486]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[13:31:08.486]                 }
[13:31:08.486]                 ...future.workdir <- getwd()
[13:31:08.486]             }
[13:31:08.486]             ...future.oldOptions <- base::as.list(base::.Options)
[13:31:08.486]             ...future.oldEnvVars <- base::Sys.getenv()
[13:31:08.486]         }
[13:31:08.486]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[13:31:08.486]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[13:31:08.486]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[13:31:08.486]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[13:31:08.486]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[13:31:08.486]             future.stdout.windows.reencode = NULL, width = 80L)
[13:31:08.486]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[13:31:08.486]             base::names(...future.oldOptions))
[13:31:08.486]     }
[13:31:08.486]     if (FALSE) {
[13:31:08.486]     }
[13:31:08.486]     else {
[13:31:08.486]         if (TRUE) {
[13:31:08.486]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[13:31:08.486]                 open = "w")
[13:31:08.486]         }
[13:31:08.486]         else {
[13:31:08.486]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[13:31:08.486]                 windows = "NUL", "/dev/null"), open = "w")
[13:31:08.486]         }
[13:31:08.486]         base::sink(...future.stdout, type = "output", split = FALSE)
[13:31:08.486]         base::on.exit(if (!base::is.null(...future.stdout)) {
[13:31:08.486]             base::sink(type = "output", split = FALSE)
[13:31:08.486]             base::close(...future.stdout)
[13:31:08.486]         }, add = TRUE)
[13:31:08.486]     }
[13:31:08.486]     ...future.frame <- base::sys.nframe()
[13:31:08.486]     ...future.conditions <- base::list()
[13:31:08.486]     ...future.rng <- base::globalenv()$.Random.seed
[13:31:08.486]     if (FALSE) {
[13:31:08.486]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[13:31:08.486]             "...future.value", "...future.globalenv.names", ".Random.seed")
[13:31:08.486]     }
[13:31:08.486]     ...future.result <- base::tryCatch({
[13:31:08.486]         base::withCallingHandlers({
[13:31:08.486]             ...future.value <- base::withVisible(base::local({
[13:31:08.486]                 x[name] <- list(1)
[13:31:08.486]                 x
[13:31:08.486]             }))
[13:31:08.486]             future::FutureResult(value = ...future.value$value, 
[13:31:08.486]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.486]                   ...future.rng), globalenv = if (FALSE) 
[13:31:08.486]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[13:31:08.486]                     ...future.globalenv.names))
[13:31:08.486]                 else NULL, started = ...future.startTime, version = "1.8")
[13:31:08.486]         }, condition = base::local({
[13:31:08.486]             c <- base::c
[13:31:08.486]             inherits <- base::inherits
[13:31:08.486]             invokeRestart <- base::invokeRestart
[13:31:08.486]             length <- base::length
[13:31:08.486]             list <- base::list
[13:31:08.486]             seq.int <- base::seq.int
[13:31:08.486]             signalCondition <- base::signalCondition
[13:31:08.486]             sys.calls <- base::sys.calls
[13:31:08.486]             `[[` <- base::`[[`
[13:31:08.486]             `+` <- base::`+`
[13:31:08.486]             `<<-` <- base::`<<-`
[13:31:08.486]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[13:31:08.486]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[13:31:08.486]                   3L)]
[13:31:08.486]             }
[13:31:08.486]             function(cond) {
[13:31:08.486]                 is_error <- inherits(cond, "error")
[13:31:08.486]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[13:31:08.486]                   NULL)
[13:31:08.486]                 if (is_error) {
[13:31:08.486]                   sessionInformation <- function() {
[13:31:08.486]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[13:31:08.486]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[13:31:08.486]                       search = base::search(), system = base::Sys.info())
[13:31:08.486]                   }
[13:31:08.486]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.486]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[13:31:08.486]                     cond$call), session = sessionInformation(), 
[13:31:08.486]                     timestamp = base::Sys.time(), signaled = 0L)
[13:31:08.486]                   signalCondition(cond)
[13:31:08.486]                 }
[13:31:08.486]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[13:31:08.486]                   signal <- FALSE && inherits(cond, character(0))
[13:31:08.486]                   ...future.conditions[[length(...future.conditions) + 
[13:31:08.486]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[13:31:08.486]                   if (FALSE && !signal) {
[13:31:08.486]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.486]                     {
[13:31:08.486]                       inherits <- base::inherits
[13:31:08.486]                       invokeRestart <- base::invokeRestart
[13:31:08.486]                       is.null <- base::is.null
[13:31:08.486]                       muffled <- FALSE
[13:31:08.486]                       if (inherits(cond, "message")) {
[13:31:08.486]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.486]                         if (muffled) 
[13:31:08.486]                           invokeRestart("muffleMessage")
[13:31:08.486]                       }
[13:31:08.486]                       else if (inherits(cond, "warning")) {
[13:31:08.486]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.486]                         if (muffled) 
[13:31:08.486]                           invokeRestart("muffleWarning")
[13:31:08.486]                       }
[13:31:08.486]                       else if (inherits(cond, "condition")) {
[13:31:08.486]                         if (!is.null(pattern)) {
[13:31:08.486]                           computeRestarts <- base::computeRestarts
[13:31:08.486]                           grepl <- base::grepl
[13:31:08.486]                           restarts <- computeRestarts(cond)
[13:31:08.486]                           for (restart in restarts) {
[13:31:08.486]                             name <- restart$name
[13:31:08.486]                             if (is.null(name)) 
[13:31:08.486]                               next
[13:31:08.486]                             if (!grepl(pattern, name)) 
[13:31:08.486]                               next
[13:31:08.486]                             invokeRestart(restart)
[13:31:08.486]                             muffled <- TRUE
[13:31:08.486]                             break
[13:31:08.486]                           }
[13:31:08.486]                         }
[13:31:08.486]                       }
[13:31:08.486]                       invisible(muffled)
[13:31:08.486]                     }
[13:31:08.486]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.486]                   }
[13:31:08.486]                 }
[13:31:08.486]                 else {
[13:31:08.486]                   if (TRUE) {
[13:31:08.486]                     muffleCondition <- function (cond, pattern = "^muffle") 
[13:31:08.486]                     {
[13:31:08.486]                       inherits <- base::inherits
[13:31:08.486]                       invokeRestart <- base::invokeRestart
[13:31:08.486]                       is.null <- base::is.null
[13:31:08.486]                       muffled <- FALSE
[13:31:08.486]                       if (inherits(cond, "message")) {
[13:31:08.486]                         muffled <- grepl(pattern, "muffleMessage")
[13:31:08.486]                         if (muffled) 
[13:31:08.486]                           invokeRestart("muffleMessage")
[13:31:08.486]                       }
[13:31:08.486]                       else if (inherits(cond, "warning")) {
[13:31:08.486]                         muffled <- grepl(pattern, "muffleWarning")
[13:31:08.486]                         if (muffled) 
[13:31:08.486]                           invokeRestart("muffleWarning")
[13:31:08.486]                       }
[13:31:08.486]                       else if (inherits(cond, "condition")) {
[13:31:08.486]                         if (!is.null(pattern)) {
[13:31:08.486]                           computeRestarts <- base::computeRestarts
[13:31:08.486]                           grepl <- base::grepl
[13:31:08.486]                           restarts <- computeRestarts(cond)
[13:31:08.486]                           for (restart in restarts) {
[13:31:08.486]                             name <- restart$name
[13:31:08.486]                             if (is.null(name)) 
[13:31:08.486]                               next
[13:31:08.486]                             if (!grepl(pattern, name)) 
[13:31:08.486]                               next
[13:31:08.486]                             invokeRestart(restart)
[13:31:08.486]                             muffled <- TRUE
[13:31:08.486]                             break
[13:31:08.486]                           }
[13:31:08.486]                         }
[13:31:08.486]                       }
[13:31:08.486]                       invisible(muffled)
[13:31:08.486]                     }
[13:31:08.486]                     muffleCondition(cond, pattern = "^muffle")
[13:31:08.486]                   }
[13:31:08.486]                 }
[13:31:08.486]             }
[13:31:08.486]         }))
[13:31:08.486]     }, error = function(ex) {
[13:31:08.486]         base::structure(base::list(value = NULL, visible = NULL, 
[13:31:08.486]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[13:31:08.486]                 ...future.rng), started = ...future.startTime, 
[13:31:08.486]             finished = Sys.time(), session_uuid = NA_character_, 
[13:31:08.486]             version = "1.8"), class = "FutureResult")
[13:31:08.486]     }, finally = {
[13:31:08.486]         if (!identical(...future.workdir, getwd())) 
[13:31:08.486]             setwd(...future.workdir)
[13:31:08.486]         {
[13:31:08.486]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[13:31:08.486]                 ...future.oldOptions$nwarnings <- NULL
[13:31:08.486]             }
[13:31:08.486]             base::options(...future.oldOptions)
[13:31:08.486]             if (.Platform$OS.type == "windows") {
[13:31:08.486]                 old_names <- names(...future.oldEnvVars)
[13:31:08.486]                 envs <- base::Sys.getenv()
[13:31:08.486]                 names <- names(envs)
[13:31:08.486]                 common <- intersect(names, old_names)
[13:31:08.486]                 added <- setdiff(names, old_names)
[13:31:08.486]                 removed <- setdiff(old_names, names)
[13:31:08.486]                 changed <- common[...future.oldEnvVars[common] != 
[13:31:08.486]                   envs[common]]
[13:31:08.486]                 NAMES <- toupper(changed)
[13:31:08.486]                 args <- list()
[13:31:08.486]                 for (kk in seq_along(NAMES)) {
[13:31:08.486]                   name <- changed[[kk]]
[13:31:08.486]                   NAME <- NAMES[[kk]]
[13:31:08.486]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.486]                     next
[13:31:08.486]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.486]                 }
[13:31:08.486]                 NAMES <- toupper(added)
[13:31:08.486]                 for (kk in seq_along(NAMES)) {
[13:31:08.486]                   name <- added[[kk]]
[13:31:08.486]                   NAME <- NAMES[[kk]]
[13:31:08.486]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.486]                     next
[13:31:08.486]                   args[[name]] <- ""
[13:31:08.486]                 }
[13:31:08.486]                 NAMES <- toupper(removed)
[13:31:08.486]                 for (kk in seq_along(NAMES)) {
[13:31:08.486]                   name <- removed[[kk]]
[13:31:08.486]                   NAME <- NAMES[[kk]]
[13:31:08.486]                   if (name != NAME && is.element(NAME, old_names)) 
[13:31:08.486]                     next
[13:31:08.486]                   args[[name]] <- ...future.oldEnvVars[[name]]
[13:31:08.486]                 }
[13:31:08.486]                 if (length(args) > 0) 
[13:31:08.486]                   base::do.call(base::Sys.setenv, args = args)
[13:31:08.486]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[13:31:08.486]             }
[13:31:08.486]             else {
[13:31:08.486]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[13:31:08.486]             }
[13:31:08.486]             {
[13:31:08.486]                 if (base::length(...future.futureOptionsAdded) > 
[13:31:08.486]                   0L) {
[13:31:08.486]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[13:31:08.486]                   base::names(opts) <- ...future.futureOptionsAdded
[13:31:08.486]                   base::options(opts)
[13:31:08.486]                 }
[13:31:08.486]                 {
[13:31:08.486]                   NULL
[13:31:08.486]                   options(future.plan = NULL)
[13:31:08.486]                   if (is.na(NA_character_)) 
[13:31:08.486]                     Sys.unsetenv("R_FUTURE_PLAN")
[13:31:08.486]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[13:31:08.486]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[13:31:08.486]                     .init = FALSE)
[13:31:08.486]                 }
[13:31:08.486]             }
[13:31:08.486]         }
[13:31:08.486]     })
[13:31:08.486]     if (TRUE) {
[13:31:08.486]         base::sink(type = "output", split = FALSE)
[13:31:08.486]         if (TRUE) {
[13:31:08.486]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[13:31:08.486]         }
[13:31:08.486]         else {
[13:31:08.486]             ...future.result["stdout"] <- base::list(NULL)
[13:31:08.486]         }
[13:31:08.486]         base::close(...future.stdout)
[13:31:08.486]         ...future.stdout <- NULL
[13:31:08.486]     }
[13:31:08.486]     ...future.result$conditions <- ...future.conditions
[13:31:08.486]     ...future.result$finished <- base::Sys.time()
[13:31:08.486]     ...future.result
[13:31:08.486] }
[13:31:08.489] - Launch lazy future ... done
[13:31:08.490] run() for 'MiraiFuture' ... done
> rm(list = c("x", "name"))
> print(y)
$a
[1] 1

> stopifnot(identical(y, y0))
> 
> message("*** Globals - subassignments w/ x$a <- value ... DONE")
*** Globals - subassignments w/ x$a <- value ... DONE
> 
> message("*** Globals - subassignments ... DONE")
*** Globals - subassignments ... DONE
> 
> source("incl/end.R")
> 
> proc.time()
   user  system elapsed 
   0.50    0.07    1.00