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

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> source("incl/start.R")
Loading required package: future
[10:56:17.108] plan(): Setting new future strategy stack:
[10:56:17.110] List of future strategies:
[10:56:17.110] 1. mirai_multisession:
[10:56:17.110]    - args: function (expr, substitute = TRUE, envir = parent.frame(), ..., workers = availableCores())
[10:56:17.110]    - tweaked: FALSE
[10:56:17.110]    - call: future::plan(future.mirai::mirai_multisession)
[10:56:17.123] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ...
[10:56:17.123] < mirai | $data >
[10:56:17.129] getGlobalsAndPackages() ...
[10:56:17.129] Not searching for globals
[10:56:17.129] - globals: [0] <none>
[10:56:17.129] getGlobalsAndPackages() ... DONE
[10:56:17.130] getGlobalsAndPackages() ...
[10:56:17.130] 
[10:56:17.131] - globals: [0] <none>
[10:56:17.131] getGlobalsAndPackages() ... DONE
[10:56:17.424] Packages needed by the future expression (n = 0): <none>
[10:56:17.425] Packages needed by future strategies (n = 0): <none>
[10:56:17.426] {
[10:56:17.426]     {
[10:56:17.426]         {
[10:56:17.426]             ...future.startTime <- base::Sys.time()
[10:56:17.426]             {
[10:56:17.426]                 {
[10:56:17.426]                   {
[10:56:17.426]                     base::local({
[10:56:17.426]                       has_future <- base::requireNamespace("future", 
[10:56:17.426]                         quietly = TRUE)
[10:56:17.426]                       if (has_future) {
[10:56:17.426]                         ns <- base::getNamespace("future")
[10:56:17.426]                         version <- ns[[".package"]][["version"]]
[10:56:17.426]                         if (is.null(version)) 
[10:56:17.426]                           version <- utils::packageVersion("future")
[10:56:17.426]                       }
[10:56:17.426]                       else {
[10:56:17.426]                         version <- NULL
[10:56:17.426]                       }
[10:56:17.426]                       if (!has_future || version < "1.8.0") {
[10:56:17.426]                         info <- base::c(r_version = base::gsub("R version ", 
[10:56:17.426]                           "", base::R.version$version.string), 
[10:56:17.426]                           platform = base::sprintf("%s (%s-bit)", 
[10:56:17.426]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:56:17.426]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:56:17.426]                             "release", "version")], collapse = " "), 
[10:56:17.426]                           hostname = base::Sys.info()[["nodename"]])
[10:56:17.426]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:56:17.426]                           info)
[10:56:17.426]                         info <- base::paste(info, collapse = "; ")
[10:56:17.426]                         if (!has_future) {
[10:56:17.426]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:56:17.426]                             info)
[10:56:17.426]                         }
[10:56:17.426]                         else {
[10:56:17.426]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:56:17.426]                             info, version)
[10:56:17.426]                         }
[10:56:17.426]                         base::stop(msg)
[10:56:17.426]                       }
[10:56:17.426]                     })
[10:56:17.426]                   }
[10:56:17.426]                   ...future.strategy.old <- future::plan("list")
[10:56:17.426]                   options(future.plan = NULL)
[10:56:17.426]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.426]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:56:17.426]                 }
[10:56:17.426]                 ...future.workdir <- getwd()
[10:56:17.426]             }
[10:56:17.426]             ...future.oldOptions <- base::as.list(base::.Options)
[10:56:17.426]             ...future.oldEnvVars <- base::Sys.getenv()
[10:56:17.426]         }
[10:56:17.426]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[10:56:17.426]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:56:17.426]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[10:56:17.426]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[10:56:17.426]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:56:17.426]             future.stdout.windows.reencode = NULL, width = 80L)
[10:56:17.426]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:56:17.426]             base::names(...future.oldOptions))
[10:56:17.426]     }
[10:56:17.426]     if (FALSE) {
[10:56:17.426]     }
[10:56:17.426]     else {
[10:56:17.426]         if (TRUE) {
[10:56:17.426]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:56:17.426]                 open = "w")
[10:56:17.426]         }
[10:56:17.426]         else {
[10:56:17.426]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:56:17.426]                 windows = "NUL", "/dev/null"), open = "w")
[10:56:17.426]         }
[10:56:17.426]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:56:17.426]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:56:17.426]             base::sink(type = "output", split = FALSE)
[10:56:17.426]             base::close(...future.stdout)
[10:56:17.426]         }, add = TRUE)
[10:56:17.426]     }
[10:56:17.426]     ...future.frame <- base::sys.nframe()
[10:56:17.426]     ...future.conditions <- base::list()
[10:56:17.426]     ...future.rng <- base::globalenv()$.Random.seed
[10:56:17.426]     if (FALSE) {
[10:56:17.426]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:56:17.426]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:56:17.426]     }
[10:56:17.426]     ...future.result <- base::tryCatch({
[10:56:17.426]         base::withCallingHandlers({
[10:56:17.426]             ...future.value <- base::withVisible(base::local(NA))
[10:56:17.426]             future::FutureResult(value = ...future.value$value, 
[10:56:17.426]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.426]                   ...future.rng), globalenv = if (FALSE) 
[10:56:17.426]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:56:17.426]                     ...future.globalenv.names))
[10:56:17.426]                 else NULL, started = ...future.startTime, version = "1.8")
[10:56:17.426]         }, condition = base::local({
[10:56:17.426]             c <- base::c
[10:56:17.426]             inherits <- base::inherits
[10:56:17.426]             invokeRestart <- base::invokeRestart
[10:56:17.426]             length <- base::length
[10:56:17.426]             list <- base::list
[10:56:17.426]             seq.int <- base::seq.int
[10:56:17.426]             signalCondition <- base::signalCondition
[10:56:17.426]             sys.calls <- base::sys.calls
[10:56:17.426]             `[[` <- base::`[[`
[10:56:17.426]             `+` <- base::`+`
[10:56:17.426]             `<<-` <- base::`<<-`
[10:56:17.426]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:56:17.426]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:56:17.426]                   3L)]
[10:56:17.426]             }
[10:56:17.426]             function(cond) {
[10:56:17.426]                 is_error <- inherits(cond, "error")
[10:56:17.426]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:56:17.426]                   NULL)
[10:56:17.426]                 if (is_error) {
[10:56:17.426]                   sessionInformation <- function() {
[10:56:17.426]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:56:17.426]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:56:17.426]                       search = base::search(), system = base::Sys.info())
[10:56:17.426]                   }
[10:56:17.426]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.426]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:56:17.426]                     cond$call), session = sessionInformation(), 
[10:56:17.426]                     timestamp = base::Sys.time(), signaled = 0L)
[10:56:17.426]                   signalCondition(cond)
[10:56:17.426]                 }
[10:56:17.426]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:56:17.426]                   signal <- FALSE && inherits(cond, character(0))
[10:56:17.426]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.426]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:56:17.426]                   if (FALSE && !signal) {
[10:56:17.426]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.426]                     {
[10:56:17.426]                       inherits <- base::inherits
[10:56:17.426]                       invokeRestart <- base::invokeRestart
[10:56:17.426]                       is.null <- base::is.null
[10:56:17.426]                       muffled <- FALSE
[10:56:17.426]                       if (inherits(cond, "message")) {
[10:56:17.426]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.426]                         if (muffled) 
[10:56:17.426]                           invokeRestart("muffleMessage")
[10:56:17.426]                       }
[10:56:17.426]                       else if (inherits(cond, "warning")) {
[10:56:17.426]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.426]                         if (muffled) 
[10:56:17.426]                           invokeRestart("muffleWarning")
[10:56:17.426]                       }
[10:56:17.426]                       else if (inherits(cond, "condition")) {
[10:56:17.426]                         if (!is.null(pattern)) {
[10:56:17.426]                           computeRestarts <- base::computeRestarts
[10:56:17.426]                           grepl <- base::grepl
[10:56:17.426]                           restarts <- computeRestarts(cond)
[10:56:17.426]                           for (restart in restarts) {
[10:56:17.426]                             name <- restart$name
[10:56:17.426]                             if (is.null(name)) 
[10:56:17.426]                               next
[10:56:17.426]                             if (!grepl(pattern, name)) 
[10:56:17.426]                               next
[10:56:17.426]                             invokeRestart(restart)
[10:56:17.426]                             muffled <- TRUE
[10:56:17.426]                             break
[10:56:17.426]                           }
[10:56:17.426]                         }
[10:56:17.426]                       }
[10:56:17.426]                       invisible(muffled)
[10:56:17.426]                     }
[10:56:17.426]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.426]                   }
[10:56:17.426]                 }
[10:56:17.426]                 else {
[10:56:17.426]                   if (TRUE) {
[10:56:17.426]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.426]                     {
[10:56:17.426]                       inherits <- base::inherits
[10:56:17.426]                       invokeRestart <- base::invokeRestart
[10:56:17.426]                       is.null <- base::is.null
[10:56:17.426]                       muffled <- FALSE
[10:56:17.426]                       if (inherits(cond, "message")) {
[10:56:17.426]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.426]                         if (muffled) 
[10:56:17.426]                           invokeRestart("muffleMessage")
[10:56:17.426]                       }
[10:56:17.426]                       else if (inherits(cond, "warning")) {
[10:56:17.426]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.426]                         if (muffled) 
[10:56:17.426]                           invokeRestart("muffleWarning")
[10:56:17.426]                       }
[10:56:17.426]                       else if (inherits(cond, "condition")) {
[10:56:17.426]                         if (!is.null(pattern)) {
[10:56:17.426]                           computeRestarts <- base::computeRestarts
[10:56:17.426]                           grepl <- base::grepl
[10:56:17.426]                           restarts <- computeRestarts(cond)
[10:56:17.426]                           for (restart in restarts) {
[10:56:17.426]                             name <- restart$name
[10:56:17.426]                             if (is.null(name)) 
[10:56:17.426]                               next
[10:56:17.426]                             if (!grepl(pattern, name)) 
[10:56:17.426]                               next
[10:56:17.426]                             invokeRestart(restart)
[10:56:17.426]                             muffled <- TRUE
[10:56:17.426]                             break
[10:56:17.426]                           }
[10:56:17.426]                         }
[10:56:17.426]                       }
[10:56:17.426]                       invisible(muffled)
[10:56:17.426]                     }
[10:56:17.426]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.426]                   }
[10:56:17.426]                 }
[10:56:17.426]             }
[10:56:17.426]         }))
[10:56:17.426]     }, error = function(ex) {
[10:56:17.426]         base::structure(base::list(value = NULL, visible = NULL, 
[10:56:17.426]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.426]                 ...future.rng), started = ...future.startTime, 
[10:56:17.426]             finished = Sys.time(), session_uuid = NA_character_, 
[10:56:17.426]             version = "1.8"), class = "FutureResult")
[10:56:17.426]     }, finally = {
[10:56:17.426]         if (!identical(...future.workdir, getwd())) 
[10:56:17.426]             setwd(...future.workdir)
[10:56:17.426]         {
[10:56:17.426]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:56:17.426]                 ...future.oldOptions$nwarnings <- NULL
[10:56:17.426]             }
[10:56:17.426]             base::options(...future.oldOptions)
[10:56:17.426]             if (.Platform$OS.type == "windows") {
[10:56:17.426]                 old_names <- names(...future.oldEnvVars)
[10:56:17.426]                 envs <- base::Sys.getenv()
[10:56:17.426]                 names <- names(envs)
[10:56:17.426]                 common <- intersect(names, old_names)
[10:56:17.426]                 added <- setdiff(names, old_names)
[10:56:17.426]                 removed <- setdiff(old_names, names)
[10:56:17.426]                 changed <- common[...future.oldEnvVars[common] != 
[10:56:17.426]                   envs[common]]
[10:56:17.426]                 NAMES <- toupper(changed)
[10:56:17.426]                 args <- list()
[10:56:17.426]                 for (kk in seq_along(NAMES)) {
[10:56:17.426]                   name <- changed[[kk]]
[10:56:17.426]                   NAME <- NAMES[[kk]]
[10:56:17.426]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.426]                     next
[10:56:17.426]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.426]                 }
[10:56:17.426]                 NAMES <- toupper(added)
[10:56:17.426]                 for (kk in seq_along(NAMES)) {
[10:56:17.426]                   name <- added[[kk]]
[10:56:17.426]                   NAME <- NAMES[[kk]]
[10:56:17.426]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.426]                     next
[10:56:17.426]                   args[[name]] <- ""
[10:56:17.426]                 }
[10:56:17.426]                 NAMES <- toupper(removed)
[10:56:17.426]                 for (kk in seq_along(NAMES)) {
[10:56:17.426]                   name <- removed[[kk]]
[10:56:17.426]                   NAME <- NAMES[[kk]]
[10:56:17.426]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.426]                     next
[10:56:17.426]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.426]                 }
[10:56:17.426]                 if (length(args) > 0) 
[10:56:17.426]                   base::do.call(base::Sys.setenv, args = args)
[10:56:17.426]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:56:17.426]             }
[10:56:17.426]             else {
[10:56:17.426]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:56:17.426]             }
[10:56:17.426]             {
[10:56:17.426]                 if (base::length(...future.futureOptionsAdded) > 
[10:56:17.426]                   0L) {
[10:56:17.426]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:56:17.426]                   base::names(opts) <- ...future.futureOptionsAdded
[10:56:17.426]                   base::options(opts)
[10:56:17.426]                 }
[10:56:17.426]                 {
[10:56:17.426]                   NULL
[10:56:17.426]                   options(future.plan = NULL)
[10:56:17.426]                   if (is.na(NA_character_)) 
[10:56:17.426]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.426]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:56:17.426]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:56:17.426]                     .init = FALSE)
[10:56:17.426]                 }
[10:56:17.426]             }
[10:56:17.426]         }
[10:56:17.426]     })
[10:56:17.426]     if (TRUE) {
[10:56:17.426]         base::sink(type = "output", split = FALSE)
[10:56:17.426]         if (TRUE) {
[10:56:17.426]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:56:17.426]         }
[10:56:17.426]         else {
[10:56:17.426]             ...future.result["stdout"] <- base::list(NULL)
[10:56:17.426]         }
[10:56:17.426]         base::close(...future.stdout)
[10:56:17.426]         ...future.stdout <- NULL
[10:56:17.426]     }
[10:56:17.426]     ...future.result$conditions <- ...future.conditions
[10:56:17.426]     ...future.result$finished <- base::Sys.time()
[10:56:17.426]     ...future.result
[10:56:17.426] }
[10:56:17.539] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ... DONE
[10:56:17.540] plan(): nbrOfWorkers() = 2
> 
> plan(mirai_multisession)
[10:56:17.541] plan(): Setting new future strategy stack:
[10:56:17.541] List of future strategies:
[10:56:17.541] 1. mirai_multisession:
[10:56:17.541]    - args: function (expr, substitute = TRUE, envir = parent.frame(), ..., workers = availableCores())
[10:56:17.541]    - tweaked: FALSE
[10:56:17.541]    - call: plan(mirai_multisession)
[10:56:17.554] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ...
[10:56:17.555] < mirai | $data >
[10:56:17.557] getGlobalsAndPackages() ...
[10:56:17.557] Not searching for globals
[10:56:17.557] - globals: [0] <none>
[10:56:17.558] getGlobalsAndPackages() ... DONE
[10:56:17.558] getGlobalsAndPackages() ...
[10:56:17.558] 
[10:56:17.558] - globals: [0] <none>
[10:56:17.558] getGlobalsAndPackages() ... DONE
[10:56:17.559] Packages needed by the future expression (n = 0): <none>
[10:56:17.559] Packages needed by future strategies (n = 0): <none>
[10:56:17.560] {
[10:56:17.560]     {
[10:56:17.560]         {
[10:56:17.560]             ...future.startTime <- base::Sys.time()
[10:56:17.560]             {
[10:56:17.560]                 {
[10:56:17.560]                   {
[10:56:17.560]                     base::local({
[10:56:17.560]                       has_future <- base::requireNamespace("future", 
[10:56:17.560]                         quietly = TRUE)
[10:56:17.560]                       if (has_future) {
[10:56:17.560]                         ns <- base::getNamespace("future")
[10:56:17.560]                         version <- ns[[".package"]][["version"]]
[10:56:17.560]                         if (is.null(version)) 
[10:56:17.560]                           version <- utils::packageVersion("future")
[10:56:17.560]                       }
[10:56:17.560]                       else {
[10:56:17.560]                         version <- NULL
[10:56:17.560]                       }
[10:56:17.560]                       if (!has_future || version < "1.8.0") {
[10:56:17.560]                         info <- base::c(r_version = base::gsub("R version ", 
[10:56:17.560]                           "", base::R.version$version.string), 
[10:56:17.560]                           platform = base::sprintf("%s (%s-bit)", 
[10:56:17.560]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:56:17.560]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:56:17.560]                             "release", "version")], collapse = " "), 
[10:56:17.560]                           hostname = base::Sys.info()[["nodename"]])
[10:56:17.560]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:56:17.560]                           info)
[10:56:17.560]                         info <- base::paste(info, collapse = "; ")
[10:56:17.560]                         if (!has_future) {
[10:56:17.560]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:56:17.560]                             info)
[10:56:17.560]                         }
[10:56:17.560]                         else {
[10:56:17.560]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:56:17.560]                             info, version)
[10:56:17.560]                         }
[10:56:17.560]                         base::stop(msg)
[10:56:17.560]                       }
[10:56:17.560]                     })
[10:56:17.560]                   }
[10:56:17.560]                   ...future.strategy.old <- future::plan("list")
[10:56:17.560]                   options(future.plan = NULL)
[10:56:17.560]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.560]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:56:17.560]                 }
[10:56:17.560]                 ...future.workdir <- getwd()
[10:56:17.560]             }
[10:56:17.560]             ...future.oldOptions <- base::as.list(base::.Options)
[10:56:17.560]             ...future.oldEnvVars <- base::Sys.getenv()
[10:56:17.560]         }
[10:56:17.560]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[10:56:17.560]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:56:17.560]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[10:56:17.560]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[10:56:17.560]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:56:17.560]             future.stdout.windows.reencode = NULL, width = 80L)
[10:56:17.560]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:56:17.560]             base::names(...future.oldOptions))
[10:56:17.560]     }
[10:56:17.560]     if (FALSE) {
[10:56:17.560]     }
[10:56:17.560]     else {
[10:56:17.560]         if (TRUE) {
[10:56:17.560]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:56:17.560]                 open = "w")
[10:56:17.560]         }
[10:56:17.560]         else {
[10:56:17.560]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:56:17.560]                 windows = "NUL", "/dev/null"), open = "w")
[10:56:17.560]         }
[10:56:17.560]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:56:17.560]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:56:17.560]             base::sink(type = "output", split = FALSE)
[10:56:17.560]             base::close(...future.stdout)
[10:56:17.560]         }, add = TRUE)
[10:56:17.560]     }
[10:56:17.560]     ...future.frame <- base::sys.nframe()
[10:56:17.560]     ...future.conditions <- base::list()
[10:56:17.560]     ...future.rng <- base::globalenv()$.Random.seed
[10:56:17.560]     if (FALSE) {
[10:56:17.560]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:56:17.560]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:56:17.560]     }
[10:56:17.560]     ...future.result <- base::tryCatch({
[10:56:17.560]         base::withCallingHandlers({
[10:56:17.560]             ...future.value <- base::withVisible(base::local(NA))
[10:56:17.560]             future::FutureResult(value = ...future.value$value, 
[10:56:17.560]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.560]                   ...future.rng), globalenv = if (FALSE) 
[10:56:17.560]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:56:17.560]                     ...future.globalenv.names))
[10:56:17.560]                 else NULL, started = ...future.startTime, version = "1.8")
[10:56:17.560]         }, condition = base::local({
[10:56:17.560]             c <- base::c
[10:56:17.560]             inherits <- base::inherits
[10:56:17.560]             invokeRestart <- base::invokeRestart
[10:56:17.560]             length <- base::length
[10:56:17.560]             list <- base::list
[10:56:17.560]             seq.int <- base::seq.int
[10:56:17.560]             signalCondition <- base::signalCondition
[10:56:17.560]             sys.calls <- base::sys.calls
[10:56:17.560]             `[[` <- base::`[[`
[10:56:17.560]             `+` <- base::`+`
[10:56:17.560]             `<<-` <- base::`<<-`
[10:56:17.560]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:56:17.560]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:56:17.560]                   3L)]
[10:56:17.560]             }
[10:56:17.560]             function(cond) {
[10:56:17.560]                 is_error <- inherits(cond, "error")
[10:56:17.560]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:56:17.560]                   NULL)
[10:56:17.560]                 if (is_error) {
[10:56:17.560]                   sessionInformation <- function() {
[10:56:17.560]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:56:17.560]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:56:17.560]                       search = base::search(), system = base::Sys.info())
[10:56:17.560]                   }
[10:56:17.560]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.560]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:56:17.560]                     cond$call), session = sessionInformation(), 
[10:56:17.560]                     timestamp = base::Sys.time(), signaled = 0L)
[10:56:17.560]                   signalCondition(cond)
[10:56:17.560]                 }
[10:56:17.560]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:56:17.560]                   signal <- FALSE && inherits(cond, character(0))
[10:56:17.560]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.560]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:56:17.560]                   if (FALSE && !signal) {
[10:56:17.560]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.560]                     {
[10:56:17.560]                       inherits <- base::inherits
[10:56:17.560]                       invokeRestart <- base::invokeRestart
[10:56:17.560]                       is.null <- base::is.null
[10:56:17.560]                       muffled <- FALSE
[10:56:17.560]                       if (inherits(cond, "message")) {
[10:56:17.560]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.560]                         if (muffled) 
[10:56:17.560]                           invokeRestart("muffleMessage")
[10:56:17.560]                       }
[10:56:17.560]                       else if (inherits(cond, "warning")) {
[10:56:17.560]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.560]                         if (muffled) 
[10:56:17.560]                           invokeRestart("muffleWarning")
[10:56:17.560]                       }
[10:56:17.560]                       else if (inherits(cond, "condition")) {
[10:56:17.560]                         if (!is.null(pattern)) {
[10:56:17.560]                           computeRestarts <- base::computeRestarts
[10:56:17.560]                           grepl <- base::grepl
[10:56:17.560]                           restarts <- computeRestarts(cond)
[10:56:17.560]                           for (restart in restarts) {
[10:56:17.560]                             name <- restart$name
[10:56:17.560]                             if (is.null(name)) 
[10:56:17.560]                               next
[10:56:17.560]                             if (!grepl(pattern, name)) 
[10:56:17.560]                               next
[10:56:17.560]                             invokeRestart(restart)
[10:56:17.560]                             muffled <- TRUE
[10:56:17.560]                             break
[10:56:17.560]                           }
[10:56:17.560]                         }
[10:56:17.560]                       }
[10:56:17.560]                       invisible(muffled)
[10:56:17.560]                     }
[10:56:17.560]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.560]                   }
[10:56:17.560]                 }
[10:56:17.560]                 else {
[10:56:17.560]                   if (TRUE) {
[10:56:17.560]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.560]                     {
[10:56:17.560]                       inherits <- base::inherits
[10:56:17.560]                       invokeRestart <- base::invokeRestart
[10:56:17.560]                       is.null <- base::is.null
[10:56:17.560]                       muffled <- FALSE
[10:56:17.560]                       if (inherits(cond, "message")) {
[10:56:17.560]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.560]                         if (muffled) 
[10:56:17.560]                           invokeRestart("muffleMessage")
[10:56:17.560]                       }
[10:56:17.560]                       else if (inherits(cond, "warning")) {
[10:56:17.560]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.560]                         if (muffled) 
[10:56:17.560]                           invokeRestart("muffleWarning")
[10:56:17.560]                       }
[10:56:17.560]                       else if (inherits(cond, "condition")) {
[10:56:17.560]                         if (!is.null(pattern)) {
[10:56:17.560]                           computeRestarts <- base::computeRestarts
[10:56:17.560]                           grepl <- base::grepl
[10:56:17.560]                           restarts <- computeRestarts(cond)
[10:56:17.560]                           for (restart in restarts) {
[10:56:17.560]                             name <- restart$name
[10:56:17.560]                             if (is.null(name)) 
[10:56:17.560]                               next
[10:56:17.560]                             if (!grepl(pattern, name)) 
[10:56:17.560]                               next
[10:56:17.560]                             invokeRestart(restart)
[10:56:17.560]                             muffled <- TRUE
[10:56:17.560]                             break
[10:56:17.560]                           }
[10:56:17.560]                         }
[10:56:17.560]                       }
[10:56:17.560]                       invisible(muffled)
[10:56:17.560]                     }
[10:56:17.560]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.560]                   }
[10:56:17.560]                 }
[10:56:17.560]             }
[10:56:17.560]         }))
[10:56:17.560]     }, error = function(ex) {
[10:56:17.560]         base::structure(base::list(value = NULL, visible = NULL, 
[10:56:17.560]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.560]                 ...future.rng), started = ...future.startTime, 
[10:56:17.560]             finished = Sys.time(), session_uuid = NA_character_, 
[10:56:17.560]             version = "1.8"), class = "FutureResult")
[10:56:17.560]     }, finally = {
[10:56:17.560]         if (!identical(...future.workdir, getwd())) 
[10:56:17.560]             setwd(...future.workdir)
[10:56:17.560]         {
[10:56:17.560]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:56:17.560]                 ...future.oldOptions$nwarnings <- NULL
[10:56:17.560]             }
[10:56:17.560]             base::options(...future.oldOptions)
[10:56:17.560]             if (.Platform$OS.type == "windows") {
[10:56:17.560]                 old_names <- names(...future.oldEnvVars)
[10:56:17.560]                 envs <- base::Sys.getenv()
[10:56:17.560]                 names <- names(envs)
[10:56:17.560]                 common <- intersect(names, old_names)
[10:56:17.560]                 added <- setdiff(names, old_names)
[10:56:17.560]                 removed <- setdiff(old_names, names)
[10:56:17.560]                 changed <- common[...future.oldEnvVars[common] != 
[10:56:17.560]                   envs[common]]
[10:56:17.560]                 NAMES <- toupper(changed)
[10:56:17.560]                 args <- list()
[10:56:17.560]                 for (kk in seq_along(NAMES)) {
[10:56:17.560]                   name <- changed[[kk]]
[10:56:17.560]                   NAME <- NAMES[[kk]]
[10:56:17.560]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.560]                     next
[10:56:17.560]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.560]                 }
[10:56:17.560]                 NAMES <- toupper(added)
[10:56:17.560]                 for (kk in seq_along(NAMES)) {
[10:56:17.560]                   name <- added[[kk]]
[10:56:17.560]                   NAME <- NAMES[[kk]]
[10:56:17.560]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.560]                     next
[10:56:17.560]                   args[[name]] <- ""
[10:56:17.560]                 }
[10:56:17.560]                 NAMES <- toupper(removed)
[10:56:17.560]                 for (kk in seq_along(NAMES)) {
[10:56:17.560]                   name <- removed[[kk]]
[10:56:17.560]                   NAME <- NAMES[[kk]]
[10:56:17.560]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.560]                     next
[10:56:17.560]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.560]                 }
[10:56:17.560]                 if (length(args) > 0) 
[10:56:17.560]                   base::do.call(base::Sys.setenv, args = args)
[10:56:17.560]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:56:17.560]             }
[10:56:17.560]             else {
[10:56:17.560]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:56:17.560]             }
[10:56:17.560]             {
[10:56:17.560]                 if (base::length(...future.futureOptionsAdded) > 
[10:56:17.560]                   0L) {
[10:56:17.560]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:56:17.560]                   base::names(opts) <- ...future.futureOptionsAdded
[10:56:17.560]                   base::options(opts)
[10:56:17.560]                 }
[10:56:17.560]                 {
[10:56:17.560]                   NULL
[10:56:17.560]                   options(future.plan = NULL)
[10:56:17.560]                   if (is.na(NA_character_)) 
[10:56:17.560]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.560]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:56:17.560]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:56:17.560]                     .init = FALSE)
[10:56:17.560]                 }
[10:56:17.560]             }
[10:56:17.560]         }
[10:56:17.560]     })
[10:56:17.560]     if (TRUE) {
[10:56:17.560]         base::sink(type = "output", split = FALSE)
[10:56:17.560]         if (TRUE) {
[10:56:17.560]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:56:17.560]         }
[10:56:17.560]         else {
[10:56:17.560]             ...future.result["stdout"] <- base::list(NULL)
[10:56:17.560]         }
[10:56:17.560]         base::close(...future.stdout)
[10:56:17.560]         ...future.stdout <- NULL
[10:56:17.560]     }
[10:56:17.560]     ...future.result$conditions <- ...future.conditions
[10:56:17.560]     ...future.result$finished <- base::Sys.time()
[10:56:17.560]     ...future.result
[10:56:17.560] }
[10:56:17.680] plan(): plan_init() of 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function' ... DONE
[10:56:17.681] plan(): nbrOfWorkers() = 2
> 
> oopts <- c(oopts, options(
+   future.globals.resolve = TRUE,
+   future.globals.onMissing = "error"
+ ))
> 
> 
> message("*** Globals - subassignments ...")
*** Globals - subassignments ...
> 
> message("*** Globals - subassignments w/ x$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'
[10:56:17.687] 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'
[10:56:17.687] Searching for globals...
[10:56:17.699] - globals found: [5] '{', 'x', '<-', '$', '$<-'
[10:56:17.700] Searching for globals ... DONE
[10:56:17.700] Resolving globals: TRUE
[10:56:17.700] Resolving any globals that are futures ...
[10:56:17.700] - globals: [5] '{', 'x', '<-', '$', '$<-'
[10:56:17.700] Resolving any globals that are futures ... DONE
[10:56:17.701] Resolving futures part of globals (recursively) ...
[10:56:17.702] resolve() on list ...
[10:56:17.702]  recursive: 99
[10:56:17.703]  length: 1
[10:56:17.703]  elements: 'x'
[10:56:17.703]  length: 0 (resolved future 1)
[10:56:17.703] resolve() on list ... DONE
[10:56:17.704] - globals: [1] 'x'
[10:56:17.704] Resolving futures part of globals (recursively) ... DONE
[10:56:17.704] The total size of the 1 globals is 0 bytes (0 bytes)
[10:56:17.705] 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')
[10:56:17.705] - globals: [1] 'x'
[10:56:17.705] 
[10:56:17.706] getGlobalsAndPackages() ... DONE
[10:56:17.706] run() for 'Future' ...
[10:56:17.706] - state: 'created'
[10:56:17.707] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[10:56:17.710] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[10:56:17.710] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[10:56:17.711]   - Field: 'label'
[10:56:17.711]   - Field: 'local'
[10:56:17.711]   - Field: 'owner'
[10:56:17.711]   - Field: 'envir'
[10:56:17.711]   - Field: 'packages'
[10:56:17.712]   - Field: 'gc'
[10:56:17.712]   - Field: 'conditions'
[10:56:17.712]   - Field: 'expr'
[10:56:17.712]   - Field: 'uuid'
[10:56:17.712]   - Field: 'seed'
[10:56:17.713]   - Field: 'version'
[10:56:17.713]   - Field: 'result'
[10:56:17.713]   - Field: 'asynchronous'
[10:56:17.713]   - Field: 'calls'
[10:56:17.713]   - Field: 'globals'
[10:56:17.714]   - Field: 'stdout'
[10:56:17.714]   - Field: 'earlySignal'
[10:56:17.714]   - Field: 'lazy'
[10:56:17.714]   - Field: 'state'
[10:56:17.714]   - Field: '.cluster'
[10:56:17.715] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[10:56:17.715] - Launch lazy future ...
[10:56:17.715] Packages needed by the future expression (n = 0): <none>
[10:56:17.715] Packages needed by future strategies (n = 0): <none>
[10:56:17.716] {
[10:56:17.716]     {
[10:56:17.716]         {
[10:56:17.716]             ...future.startTime <- base::Sys.time()
[10:56:17.716]             {
[10:56:17.716]                 {
[10:56:17.716]                   {
[10:56:17.716]                     base::local({
[10:56:17.716]                       has_future <- base::requireNamespace("future", 
[10:56:17.716]                         quietly = TRUE)
[10:56:17.716]                       if (has_future) {
[10:56:17.716]                         ns <- base::getNamespace("future")
[10:56:17.716]                         version <- ns[[".package"]][["version"]]
[10:56:17.716]                         if (is.null(version)) 
[10:56:17.716]                           version <- utils::packageVersion("future")
[10:56:17.716]                       }
[10:56:17.716]                       else {
[10:56:17.716]                         version <- NULL
[10:56:17.716]                       }
[10:56:17.716]                       if (!has_future || version < "1.8.0") {
[10:56:17.716]                         info <- base::c(r_version = base::gsub("R version ", 
[10:56:17.716]                           "", base::R.version$version.string), 
[10:56:17.716]                           platform = base::sprintf("%s (%s-bit)", 
[10:56:17.716]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:56:17.716]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:56:17.716]                             "release", "version")], collapse = " "), 
[10:56:17.716]                           hostname = base::Sys.info()[["nodename"]])
[10:56:17.716]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:56:17.716]                           info)
[10:56:17.716]                         info <- base::paste(info, collapse = "; ")
[10:56:17.716]                         if (!has_future) {
[10:56:17.716]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:56:17.716]                             info)
[10:56:17.716]                         }
[10:56:17.716]                         else {
[10:56:17.716]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:56:17.716]                             info, version)
[10:56:17.716]                         }
[10:56:17.716]                         base::stop(msg)
[10:56:17.716]                       }
[10:56:17.716]                     })
[10:56:17.716]                   }
[10:56:17.716]                   ...future.strategy.old <- future::plan("list")
[10:56:17.716]                   options(future.plan = NULL)
[10:56:17.716]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.716]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:56:17.716]                 }
[10:56:17.716]                 ...future.workdir <- getwd()
[10:56:17.716]             }
[10:56:17.716]             ...future.oldOptions <- base::as.list(base::.Options)
[10:56:17.716]             ...future.oldEnvVars <- base::Sys.getenv()
[10:56:17.716]         }
[10:56:17.716]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[10:56:17.716]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:56:17.716]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[10:56:17.716]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[10:56:17.716]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:56:17.716]             future.stdout.windows.reencode = NULL, width = 80L)
[10:56:17.716]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:56:17.716]             base::names(...future.oldOptions))
[10:56:17.716]     }
[10:56:17.716]     if (FALSE) {
[10:56:17.716]     }
[10:56:17.716]     else {
[10:56:17.716]         if (TRUE) {
[10:56:17.716]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:56:17.716]                 open = "w")
[10:56:17.716]         }
[10:56:17.716]         else {
[10:56:17.716]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:56:17.716]                 windows = "NUL", "/dev/null"), open = "w")
[10:56:17.716]         }
[10:56:17.716]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:56:17.716]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:56:17.716]             base::sink(type = "output", split = FALSE)
[10:56:17.716]             base::close(...future.stdout)
[10:56:17.716]         }, add = TRUE)
[10:56:17.716]     }
[10:56:17.716]     ...future.frame <- base::sys.nframe()
[10:56:17.716]     ...future.conditions <- base::list()
[10:56:17.716]     ...future.rng <- base::globalenv()$.Random.seed
[10:56:17.716]     if (FALSE) {
[10:56:17.716]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:56:17.716]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:56:17.716]     }
[10:56:17.716]     ...future.result <- base::tryCatch({
[10:56:17.716]         base::withCallingHandlers({
[10:56:17.716]             ...future.value <- base::withVisible(base::local({
[10:56:17.716]                 x$a <- 1
[10:56:17.716]                 x
[10:56:17.716]             }))
[10:56:17.716]             future::FutureResult(value = ...future.value$value, 
[10:56:17.716]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.716]                   ...future.rng), globalenv = if (FALSE) 
[10:56:17.716]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:56:17.716]                     ...future.globalenv.names))
[10:56:17.716]                 else NULL, started = ...future.startTime, version = "1.8")
[10:56:17.716]         }, condition = base::local({
[10:56:17.716]             c <- base::c
[10:56:17.716]             inherits <- base::inherits
[10:56:17.716]             invokeRestart <- base::invokeRestart
[10:56:17.716]             length <- base::length
[10:56:17.716]             list <- base::list
[10:56:17.716]             seq.int <- base::seq.int
[10:56:17.716]             signalCondition <- base::signalCondition
[10:56:17.716]             sys.calls <- base::sys.calls
[10:56:17.716]             `[[` <- base::`[[`
[10:56:17.716]             `+` <- base::`+`
[10:56:17.716]             `<<-` <- base::`<<-`
[10:56:17.716]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:56:17.716]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:56:17.716]                   3L)]
[10:56:17.716]             }
[10:56:17.716]             function(cond) {
[10:56:17.716]                 is_error <- inherits(cond, "error")
[10:56:17.716]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:56:17.716]                   NULL)
[10:56:17.716]                 if (is_error) {
[10:56:17.716]                   sessionInformation <- function() {
[10:56:17.716]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:56:17.716]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:56:17.716]                       search = base::search(), system = base::Sys.info())
[10:56:17.716]                   }
[10:56:17.716]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.716]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:56:17.716]                     cond$call), session = sessionInformation(), 
[10:56:17.716]                     timestamp = base::Sys.time(), signaled = 0L)
[10:56:17.716]                   signalCondition(cond)
[10:56:17.716]                 }
[10:56:17.716]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:56:17.716]                   signal <- FALSE && inherits(cond, character(0))
[10:56:17.716]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.716]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:56:17.716]                   if (FALSE && !signal) {
[10:56:17.716]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.716]                     {
[10:56:17.716]                       inherits <- base::inherits
[10:56:17.716]                       invokeRestart <- base::invokeRestart
[10:56:17.716]                       is.null <- base::is.null
[10:56:17.716]                       muffled <- FALSE
[10:56:17.716]                       if (inherits(cond, "message")) {
[10:56:17.716]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.716]                         if (muffled) 
[10:56:17.716]                           invokeRestart("muffleMessage")
[10:56:17.716]                       }
[10:56:17.716]                       else if (inherits(cond, "warning")) {
[10:56:17.716]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.716]                         if (muffled) 
[10:56:17.716]                           invokeRestart("muffleWarning")
[10:56:17.716]                       }
[10:56:17.716]                       else if (inherits(cond, "condition")) {
[10:56:17.716]                         if (!is.null(pattern)) {
[10:56:17.716]                           computeRestarts <- base::computeRestarts
[10:56:17.716]                           grepl <- base::grepl
[10:56:17.716]                           restarts <- computeRestarts(cond)
[10:56:17.716]                           for (restart in restarts) {
[10:56:17.716]                             name <- restart$name
[10:56:17.716]                             if (is.null(name)) 
[10:56:17.716]                               next
[10:56:17.716]                             if (!grepl(pattern, name)) 
[10:56:17.716]                               next
[10:56:17.716]                             invokeRestart(restart)
[10:56:17.716]                             muffled <- TRUE
[10:56:17.716]                             break
[10:56:17.716]                           }
[10:56:17.716]                         }
[10:56:17.716]                       }
[10:56:17.716]                       invisible(muffled)
[10:56:17.716]                     }
[10:56:17.716]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.716]                   }
[10:56:17.716]                 }
[10:56:17.716]                 else {
[10:56:17.716]                   if (TRUE) {
[10:56:17.716]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.716]                     {
[10:56:17.716]                       inherits <- base::inherits
[10:56:17.716]                       invokeRestart <- base::invokeRestart
[10:56:17.716]                       is.null <- base::is.null
[10:56:17.716]                       muffled <- FALSE
[10:56:17.716]                       if (inherits(cond, "message")) {
[10:56:17.716]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.716]                         if (muffled) 
[10:56:17.716]                           invokeRestart("muffleMessage")
[10:56:17.716]                       }
[10:56:17.716]                       else if (inherits(cond, "warning")) {
[10:56:17.716]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.716]                         if (muffled) 
[10:56:17.716]                           invokeRestart("muffleWarning")
[10:56:17.716]                       }
[10:56:17.716]                       else if (inherits(cond, "condition")) {
[10:56:17.716]                         if (!is.null(pattern)) {
[10:56:17.716]                           computeRestarts <- base::computeRestarts
[10:56:17.716]                           grepl <- base::grepl
[10:56:17.716]                           restarts <- computeRestarts(cond)
[10:56:17.716]                           for (restart in restarts) {
[10:56:17.716]                             name <- restart$name
[10:56:17.716]                             if (is.null(name)) 
[10:56:17.716]                               next
[10:56:17.716]                             if (!grepl(pattern, name)) 
[10:56:17.716]                               next
[10:56:17.716]                             invokeRestart(restart)
[10:56:17.716]                             muffled <- TRUE
[10:56:17.716]                             break
[10:56:17.716]                           }
[10:56:17.716]                         }
[10:56:17.716]                       }
[10:56:17.716]                       invisible(muffled)
[10:56:17.716]                     }
[10:56:17.716]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.716]                   }
[10:56:17.716]                 }
[10:56:17.716]             }
[10:56:17.716]         }))
[10:56:17.716]     }, error = function(ex) {
[10:56:17.716]         base::structure(base::list(value = NULL, visible = NULL, 
[10:56:17.716]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.716]                 ...future.rng), started = ...future.startTime, 
[10:56:17.716]             finished = Sys.time(), session_uuid = NA_character_, 
[10:56:17.716]             version = "1.8"), class = "FutureResult")
[10:56:17.716]     }, finally = {
[10:56:17.716]         if (!identical(...future.workdir, getwd())) 
[10:56:17.716]             setwd(...future.workdir)
[10:56:17.716]         {
[10:56:17.716]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:56:17.716]                 ...future.oldOptions$nwarnings <- NULL
[10:56:17.716]             }
[10:56:17.716]             base::options(...future.oldOptions)
[10:56:17.716]             if (.Platform$OS.type == "windows") {
[10:56:17.716]                 old_names <- names(...future.oldEnvVars)
[10:56:17.716]                 envs <- base::Sys.getenv()
[10:56:17.716]                 names <- names(envs)
[10:56:17.716]                 common <- intersect(names, old_names)
[10:56:17.716]                 added <- setdiff(names, old_names)
[10:56:17.716]                 removed <- setdiff(old_names, names)
[10:56:17.716]                 changed <- common[...future.oldEnvVars[common] != 
[10:56:17.716]                   envs[common]]
[10:56:17.716]                 NAMES <- toupper(changed)
[10:56:17.716]                 args <- list()
[10:56:17.716]                 for (kk in seq_along(NAMES)) {
[10:56:17.716]                   name <- changed[[kk]]
[10:56:17.716]                   NAME <- NAMES[[kk]]
[10:56:17.716]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.716]                     next
[10:56:17.716]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.716]                 }
[10:56:17.716]                 NAMES <- toupper(added)
[10:56:17.716]                 for (kk in seq_along(NAMES)) {
[10:56:17.716]                   name <- added[[kk]]
[10:56:17.716]                   NAME <- NAMES[[kk]]
[10:56:17.716]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.716]                     next
[10:56:17.716]                   args[[name]] <- ""
[10:56:17.716]                 }
[10:56:17.716]                 NAMES <- toupper(removed)
[10:56:17.716]                 for (kk in seq_along(NAMES)) {
[10:56:17.716]                   name <- removed[[kk]]
[10:56:17.716]                   NAME <- NAMES[[kk]]
[10:56:17.716]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.716]                     next
[10:56:17.716]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.716]                 }
[10:56:17.716]                 if (length(args) > 0) 
[10:56:17.716]                   base::do.call(base::Sys.setenv, args = args)
[10:56:17.716]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:56:17.716]             }
[10:56:17.716]             else {
[10:56:17.716]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:56:17.716]             }
[10:56:17.716]             {
[10:56:17.716]                 if (base::length(...future.futureOptionsAdded) > 
[10:56:17.716]                   0L) {
[10:56:17.716]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:56:17.716]                   base::names(opts) <- ...future.futureOptionsAdded
[10:56:17.716]                   base::options(opts)
[10:56:17.716]                 }
[10:56:17.716]                 {
[10:56:17.716]                   NULL
[10:56:17.716]                   options(future.plan = NULL)
[10:56:17.716]                   if (is.na(NA_character_)) 
[10:56:17.716]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.716]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:56:17.716]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:56:17.716]                     .init = FALSE)
[10:56:17.716]                 }
[10:56:17.716]             }
[10:56:17.716]         }
[10:56:17.716]     })
[10:56:17.716]     if (TRUE) {
[10:56:17.716]         base::sink(type = "output", split = FALSE)
[10:56:17.716]         if (TRUE) {
[10:56:17.716]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:56:17.716]         }
[10:56:17.716]         else {
[10:56:17.716]             ...future.result["stdout"] <- base::list(NULL)
[10:56:17.716]         }
[10:56:17.716]         base::close(...future.stdout)
[10:56:17.716]         ...future.stdout <- NULL
[10:56:17.716]     }
[10:56:17.716]     ...future.result$conditions <- ...future.conditions
[10:56:17.716]     ...future.result$finished <- base::Sys.time()
[10:56:17.716]     ...future.result
[10:56:17.716] }
[10:56:17.720] - Launch lazy future ... done
[10:56:17.721] 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$a <- 1
+   x
+ }
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[10:56:17.724] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[10:56:17.725] Searching for globals...
[10:56:17.727] - globals found: [5] '{', 'x', '<-', '$', '$<-'
[10:56:17.727] Searching for globals ... DONE
[10:56:17.728] Resolving globals: TRUE
[10:56:17.728] Resolving any globals that are futures ...
[10:56:17.728] - globals: [5] '{', 'x', '<-', '$', '$<-'
[10:56:17.728] Resolving any globals that are futures ... DONE
[10:56:17.729] Resolving futures part of globals (recursively) ...
[10:56:17.729] resolve() on list ...
[10:56:17.729]  recursive: 99
[10:56:17.729]  length: 1
[10:56:17.729]  elements: 'x'
[10:56:17.730]  length: 0 (resolved future 1)
[10:56:17.730] resolve() on list ... DONE
[10:56:17.730] - globals: [1] 'x'
[10:56:17.730] Resolving futures part of globals (recursively) ... DONE
[10:56:17.730] The total size of the 1 globals is 0 bytes (0 bytes)
[10:56:17.731] The total size of the 1 globals exported for future expression ('{; x$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')
[10:56:17.733] - globals: [1] 'x'
[10:56:17.733] 
[10:56:17.734] getGlobalsAndPackages() ... DONE
[10:56:17.734] run() for 'Future' ...
[10:56:17.734] - state: 'created'
[10:56:17.734] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[10:56:17.737] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[10:56:17.737] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[10:56:17.737]   - Field: 'label'
[10:56:17.737]   - Field: 'local'
[10:56:17.737]   - Field: 'owner'
[10:56:17.738]   - Field: 'envir'
[10:56:17.738]   - Field: 'packages'
[10:56:17.738]   - Field: 'gc'
[10:56:17.738]   - Field: 'conditions'
[10:56:17.738]   - Field: 'expr'
[10:56:17.738]   - Field: 'uuid'
[10:56:17.739]   - Field: 'seed'
[10:56:17.739]   - Field: 'version'
[10:56:17.739]   - Field: 'result'
[10:56:17.739]   - Field: 'asynchronous'
[10:56:17.739]   - Field: 'calls'
[10:56:17.739]   - Field: 'globals'
[10:56:17.740]   - Field: 'stdout'
[10:56:17.740]   - Field: 'earlySignal'
[10:56:17.740]   - Field: 'lazy'
[10:56:17.740]   - Field: 'state'
[10:56:17.740]   - Field: '.cluster'
[10:56:17.740] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[10:56:17.741] - Launch lazy future ...
[10:56:17.741] Packages needed by the future expression (n = 0): <none>
[10:56:17.741] Packages needed by future strategies (n = 0): <none>
[10:56:17.742] {
[10:56:17.742]     {
[10:56:17.742]         {
[10:56:17.742]             ...future.startTime <- base::Sys.time()
[10:56:17.742]             {
[10:56:17.742]                 {
[10:56:17.742]                   {
[10:56:17.742]                     base::local({
[10:56:17.742]                       has_future <- base::requireNamespace("future", 
[10:56:17.742]                         quietly = TRUE)
[10:56:17.742]                       if (has_future) {
[10:56:17.742]                         ns <- base::getNamespace("future")
[10:56:17.742]                         version <- ns[[".package"]][["version"]]
[10:56:17.742]                         if (is.null(version)) 
[10:56:17.742]                           version <- utils::packageVersion("future")
[10:56:17.742]                       }
[10:56:17.742]                       else {
[10:56:17.742]                         version <- NULL
[10:56:17.742]                       }
[10:56:17.742]                       if (!has_future || version < "1.8.0") {
[10:56:17.742]                         info <- base::c(r_version = base::gsub("R version ", 
[10:56:17.742]                           "", base::R.version$version.string), 
[10:56:17.742]                           platform = base::sprintf("%s (%s-bit)", 
[10:56:17.742]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:56:17.742]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:56:17.742]                             "release", "version")], collapse = " "), 
[10:56:17.742]                           hostname = base::Sys.info()[["nodename"]])
[10:56:17.742]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:56:17.742]                           info)
[10:56:17.742]                         info <- base::paste(info, collapse = "; ")
[10:56:17.742]                         if (!has_future) {
[10:56:17.742]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:56:17.742]                             info)
[10:56:17.742]                         }
[10:56:17.742]                         else {
[10:56:17.742]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:56:17.742]                             info, version)
[10:56:17.742]                         }
[10:56:17.742]                         base::stop(msg)
[10:56:17.742]                       }
[10:56:17.742]                     })
[10:56:17.742]                   }
[10:56:17.742]                   ...future.strategy.old <- future::plan("list")
[10:56:17.742]                   options(future.plan = NULL)
[10:56:17.742]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.742]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:56:17.742]                 }
[10:56:17.742]                 ...future.workdir <- getwd()
[10:56:17.742]             }
[10:56:17.742]             ...future.oldOptions <- base::as.list(base::.Options)
[10:56:17.742]             ...future.oldEnvVars <- base::Sys.getenv()
[10:56:17.742]         }
[10:56:17.742]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[10:56:17.742]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:56:17.742]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[10:56:17.742]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[10:56:17.742]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:56:17.742]             future.stdout.windows.reencode = NULL, width = 80L)
[10:56:17.742]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:56:17.742]             base::names(...future.oldOptions))
[10:56:17.742]     }
[10:56:17.742]     if (FALSE) {
[10:56:17.742]     }
[10:56:17.742]     else {
[10:56:17.742]         if (TRUE) {
[10:56:17.742]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:56:17.742]                 open = "w")
[10:56:17.742]         }
[10:56:17.742]         else {
[10:56:17.742]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:56:17.742]                 windows = "NUL", "/dev/null"), open = "w")
[10:56:17.742]         }
[10:56:17.742]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:56:17.742]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:56:17.742]             base::sink(type = "output", split = FALSE)
[10:56:17.742]             base::close(...future.stdout)
[10:56:17.742]         }, add = TRUE)
[10:56:17.742]     }
[10:56:17.742]     ...future.frame <- base::sys.nframe()
[10:56:17.742]     ...future.conditions <- base::list()
[10:56:17.742]     ...future.rng <- base::globalenv()$.Random.seed
[10:56:17.742]     if (FALSE) {
[10:56:17.742]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:56:17.742]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:56:17.742]     }
[10:56:17.742]     ...future.result <- base::tryCatch({
[10:56:17.742]         base::withCallingHandlers({
[10:56:17.742]             ...future.value <- base::withVisible(base::local({
[10:56:17.742]                 x$a <- 1
[10:56:17.742]                 x
[10:56:17.742]             }))
[10:56:17.742]             future::FutureResult(value = ...future.value$value, 
[10:56:17.742]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.742]                   ...future.rng), globalenv = if (FALSE) 
[10:56:17.742]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:56:17.742]                     ...future.globalenv.names))
[10:56:17.742]                 else NULL, started = ...future.startTime, version = "1.8")
[10:56:17.742]         }, condition = base::local({
[10:56:17.742]             c <- base::c
[10:56:17.742]             inherits <- base::inherits
[10:56:17.742]             invokeRestart <- base::invokeRestart
[10:56:17.742]             length <- base::length
[10:56:17.742]             list <- base::list
[10:56:17.742]             seq.int <- base::seq.int
[10:56:17.742]             signalCondition <- base::signalCondition
[10:56:17.742]             sys.calls <- base::sys.calls
[10:56:17.742]             `[[` <- base::`[[`
[10:56:17.742]             `+` <- base::`+`
[10:56:17.742]             `<<-` <- base::`<<-`
[10:56:17.742]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:56:17.742]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:56:17.742]                   3L)]
[10:56:17.742]             }
[10:56:17.742]             function(cond) {
[10:56:17.742]                 is_error <- inherits(cond, "error")
[10:56:17.742]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:56:17.742]                   NULL)
[10:56:17.742]                 if (is_error) {
[10:56:17.742]                   sessionInformation <- function() {
[10:56:17.742]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:56:17.742]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:56:17.742]                       search = base::search(), system = base::Sys.info())
[10:56:17.742]                   }
[10:56:17.742]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.742]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:56:17.742]                     cond$call), session = sessionInformation(), 
[10:56:17.742]                     timestamp = base::Sys.time(), signaled = 0L)
[10:56:17.742]                   signalCondition(cond)
[10:56:17.742]                 }
[10:56:17.742]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:56:17.742]                   signal <- FALSE && inherits(cond, character(0))
[10:56:17.742]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.742]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:56:17.742]                   if (FALSE && !signal) {
[10:56:17.742]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.742]                     {
[10:56:17.742]                       inherits <- base::inherits
[10:56:17.742]                       invokeRestart <- base::invokeRestart
[10:56:17.742]                       is.null <- base::is.null
[10:56:17.742]                       muffled <- FALSE
[10:56:17.742]                       if (inherits(cond, "message")) {
[10:56:17.742]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.742]                         if (muffled) 
[10:56:17.742]                           invokeRestart("muffleMessage")
[10:56:17.742]                       }
[10:56:17.742]                       else if (inherits(cond, "warning")) {
[10:56:17.742]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.742]                         if (muffled) 
[10:56:17.742]                           invokeRestart("muffleWarning")
[10:56:17.742]                       }
[10:56:17.742]                       else if (inherits(cond, "condition")) {
[10:56:17.742]                         if (!is.null(pattern)) {
[10:56:17.742]                           computeRestarts <- base::computeRestarts
[10:56:17.742]                           grepl <- base::grepl
[10:56:17.742]                           restarts <- computeRestarts(cond)
[10:56:17.742]                           for (restart in restarts) {
[10:56:17.742]                             name <- restart$name
[10:56:17.742]                             if (is.null(name)) 
[10:56:17.742]                               next
[10:56:17.742]                             if (!grepl(pattern, name)) 
[10:56:17.742]                               next
[10:56:17.742]                             invokeRestart(restart)
[10:56:17.742]                             muffled <- TRUE
[10:56:17.742]                             break
[10:56:17.742]                           }
[10:56:17.742]                         }
[10:56:17.742]                       }
[10:56:17.742]                       invisible(muffled)
[10:56:17.742]                     }
[10:56:17.742]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.742]                   }
[10:56:17.742]                 }
[10:56:17.742]                 else {
[10:56:17.742]                   if (TRUE) {
[10:56:17.742]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.742]                     {
[10:56:17.742]                       inherits <- base::inherits
[10:56:17.742]                       invokeRestart <- base::invokeRestart
[10:56:17.742]                       is.null <- base::is.null
[10:56:17.742]                       muffled <- FALSE
[10:56:17.742]                       if (inherits(cond, "message")) {
[10:56:17.742]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.742]                         if (muffled) 
[10:56:17.742]                           invokeRestart("muffleMessage")
[10:56:17.742]                       }
[10:56:17.742]                       else if (inherits(cond, "warning")) {
[10:56:17.742]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.742]                         if (muffled) 
[10:56:17.742]                           invokeRestart("muffleWarning")
[10:56:17.742]                       }
[10:56:17.742]                       else if (inherits(cond, "condition")) {
[10:56:17.742]                         if (!is.null(pattern)) {
[10:56:17.742]                           computeRestarts <- base::computeRestarts
[10:56:17.742]                           grepl <- base::grepl
[10:56:17.742]                           restarts <- computeRestarts(cond)
[10:56:17.742]                           for (restart in restarts) {
[10:56:17.742]                             name <- restart$name
[10:56:17.742]                             if (is.null(name)) 
[10:56:17.742]                               next
[10:56:17.742]                             if (!grepl(pattern, name)) 
[10:56:17.742]                               next
[10:56:17.742]                             invokeRestart(restart)
[10:56:17.742]                             muffled <- TRUE
[10:56:17.742]                             break
[10:56:17.742]                           }
[10:56:17.742]                         }
[10:56:17.742]                       }
[10:56:17.742]                       invisible(muffled)
[10:56:17.742]                     }
[10:56:17.742]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.742]                   }
[10:56:17.742]                 }
[10:56:17.742]             }
[10:56:17.742]         }))
[10:56:17.742]     }, error = function(ex) {
[10:56:17.742]         base::structure(base::list(value = NULL, visible = NULL, 
[10:56:17.742]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.742]                 ...future.rng), started = ...future.startTime, 
[10:56:17.742]             finished = Sys.time(), session_uuid = NA_character_, 
[10:56:17.742]             version = "1.8"), class = "FutureResult")
[10:56:17.742]     }, finally = {
[10:56:17.742]         if (!identical(...future.workdir, getwd())) 
[10:56:17.742]             setwd(...future.workdir)
[10:56:17.742]         {
[10:56:17.742]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:56:17.742]                 ...future.oldOptions$nwarnings <- NULL
[10:56:17.742]             }
[10:56:17.742]             base::options(...future.oldOptions)
[10:56:17.742]             if (.Platform$OS.type == "windows") {
[10:56:17.742]                 old_names <- names(...future.oldEnvVars)
[10:56:17.742]                 envs <- base::Sys.getenv()
[10:56:17.742]                 names <- names(envs)
[10:56:17.742]                 common <- intersect(names, old_names)
[10:56:17.742]                 added <- setdiff(names, old_names)
[10:56:17.742]                 removed <- setdiff(old_names, names)
[10:56:17.742]                 changed <- common[...future.oldEnvVars[common] != 
[10:56:17.742]                   envs[common]]
[10:56:17.742]                 NAMES <- toupper(changed)
[10:56:17.742]                 args <- list()
[10:56:17.742]                 for (kk in seq_along(NAMES)) {
[10:56:17.742]                   name <- changed[[kk]]
[10:56:17.742]                   NAME <- NAMES[[kk]]
[10:56:17.742]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.742]                     next
[10:56:17.742]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.742]                 }
[10:56:17.742]                 NAMES <- toupper(added)
[10:56:17.742]                 for (kk in seq_along(NAMES)) {
[10:56:17.742]                   name <- added[[kk]]
[10:56:17.742]                   NAME <- NAMES[[kk]]
[10:56:17.742]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.742]                     next
[10:56:17.742]                   args[[name]] <- ""
[10:56:17.742]                 }
[10:56:17.742]                 NAMES <- toupper(removed)
[10:56:17.742]                 for (kk in seq_along(NAMES)) {
[10:56:17.742]                   name <- removed[[kk]]
[10:56:17.742]                   NAME <- NAMES[[kk]]
[10:56:17.742]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.742]                     next
[10:56:17.742]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.742]                 }
[10:56:17.742]                 if (length(args) > 0) 
[10:56:17.742]                   base::do.call(base::Sys.setenv, args = args)
[10:56:17.742]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:56:17.742]             }
[10:56:17.742]             else {
[10:56:17.742]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:56:17.742]             }
[10:56:17.742]             {
[10:56:17.742]                 if (base::length(...future.futureOptionsAdded) > 
[10:56:17.742]                   0L) {
[10:56:17.742]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:56:17.742]                   base::names(opts) <- ...future.futureOptionsAdded
[10:56:17.742]                   base::options(opts)
[10:56:17.742]                 }
[10:56:17.742]                 {
[10:56:17.742]                   NULL
[10:56:17.742]                   options(future.plan = NULL)
[10:56:17.742]                   if (is.na(NA_character_)) 
[10:56:17.742]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.742]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:56:17.742]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:56:17.742]                     .init = FALSE)
[10:56:17.742]                 }
[10:56:17.742]             }
[10:56:17.742]         }
[10:56:17.742]     })
[10:56:17.742]     if (TRUE) {
[10:56:17.742]         base::sink(type = "output", split = FALSE)
[10:56:17.742]         if (TRUE) {
[10:56:17.742]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:56:17.742]         }
[10:56:17.742]         else {
[10:56:17.742]             ...future.result["stdout"] <- base::list(NULL)
[10:56:17.742]         }
[10:56:17.742]         base::close(...future.stdout)
[10:56:17.742]         ...future.stdout <- NULL
[10:56:17.742]     }
[10:56:17.742]     ...future.result$conditions <- ...future.conditions
[10:56:17.742]     ...future.result$finished <- base::Sys.time()
[10:56:17.742]     ...future.result
[10:56:17.742] }
[10:56:17.745] - Launch lazy future ... done
[10:56:17.746] 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$a <- 1
+   x
+ }
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.resolve' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'TRUE'
[10:56:17.748] getGlobalsAndPackages() ...
Warning in getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression,  :
  R option 'future.globals.onMissing' may only be used for troubleshooting. It must not be used in production since it changes how futures are evaluated and there is a great risk that the results cannot be reproduced elsewhere: 'error'
[10:56:17.749] Searching for globals...
[10:56:17.752] - globals found: [5] '{', '<-', 'list', '$', '$<-'
[10:56:17.752] Searching for globals ... DONE
[10:56:17.752] Resolving globals: TRUE
[10:56:17.752] Resolving any globals that are futures ...
[10:56:17.752] - globals: [5] '{', '<-', 'list', '$', '$<-'
[10:56:17.753] Resolving any globals that are futures ... DONE
[10:56:17.753] 
[10:56:17.753] 
[10:56:17.753] getGlobalsAndPackages() ... DONE
[10:56:17.754] run() for 'Future' ...
[10:56:17.754] - state: 'created'
[10:56:17.754] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[10:56:17.756] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[10:56:17.757] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[10:56:17.757]   - Field: 'label'
[10:56:17.757]   - Field: 'local'
[10:56:17.757]   - Field: 'owner'
[10:56:17.757]   - Field: 'envir'
[10:56:17.758]   - Field: 'packages'
[10:56:17.758]   - Field: 'gc'
[10:56:17.758]   - Field: 'conditions'
[10:56:17.758]   - Field: 'expr'
[10:56:17.758]   - Field: 'uuid'
[10:56:17.758]   - Field: 'seed'
[10:56:17.759]   - Field: 'version'
[10:56:17.759]   - Field: 'result'
[10:56:17.759]   - Field: 'asynchronous'
[10:56:17.759]   - Field: 'calls'
[10:56:17.759]   - Field: 'globals'
[10:56:17.759]   - Field: 'stdout'
[10:56:17.760]   - Field: 'earlySignal'
[10:56:17.760]   - Field: 'lazy'
[10:56:17.760]   - Field: 'state'
[10:56:17.760]   - Field: '.cluster'
[10:56:17.760] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[10:56:17.760] - Launch lazy future ...
[10:56:17.761] Packages needed by the future expression (n = 0): <none>
[10:56:17.761] Packages needed by future strategies (n = 0): <none>
[10:56:17.761] {
[10:56:17.761]     {
[10:56:17.761]         {
[10:56:17.761]             ...future.startTime <- base::Sys.time()
[10:56:17.761]             {
[10:56:17.761]                 {
[10:56:17.761]                   {
[10:56:17.761]                     base::local({
[10:56:17.761]                       has_future <- base::requireNamespace("future", 
[10:56:17.761]                         quietly = TRUE)
[10:56:17.761]                       if (has_future) {
[10:56:17.761]                         ns <- base::getNamespace("future")
[10:56:17.761]                         version <- ns[[".package"]][["version"]]
[10:56:17.761]                         if (is.null(version)) 
[10:56:17.761]                           version <- utils::packageVersion("future")
[10:56:17.761]                       }
[10:56:17.761]                       else {
[10:56:17.761]                         version <- NULL
[10:56:17.761]                       }
[10:56:17.761]                       if (!has_future || version < "1.8.0") {
[10:56:17.761]                         info <- base::c(r_version = base::gsub("R version ", 
[10:56:17.761]                           "", base::R.version$version.string), 
[10:56:17.761]                           platform = base::sprintf("%s (%s-bit)", 
[10:56:17.761]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:56:17.761]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:56:17.761]                             "release", "version")], collapse = " "), 
[10:56:17.761]                           hostname = base::Sys.info()[["nodename"]])
[10:56:17.761]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:56:17.761]                           info)
[10:56:17.761]                         info <- base::paste(info, collapse = "; ")
[10:56:17.761]                         if (!has_future) {
[10:56:17.761]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:56:17.761]                             info)
[10:56:17.761]                         }
[10:56:17.761]                         else {
[10:56:17.761]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:56:17.761]                             info, version)
[10:56:17.761]                         }
[10:56:17.761]                         base::stop(msg)
[10:56:17.761]                       }
[10:56:17.761]                     })
[10:56:17.761]                   }
[10:56:17.761]                   ...future.strategy.old <- future::plan("list")
[10:56:17.761]                   options(future.plan = NULL)
[10:56:17.761]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.761]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:56:17.761]                 }
[10:56:17.761]                 ...future.workdir <- getwd()
[10:56:17.761]             }
[10:56:17.761]             ...future.oldOptions <- base::as.list(base::.Options)
[10:56:17.761]             ...future.oldEnvVars <- base::Sys.getenv()
[10:56:17.761]         }
[10:56:17.761]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[10:56:17.761]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:56:17.761]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[10:56:17.761]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[10:56:17.761]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:56:17.761]             future.stdout.windows.reencode = NULL, width = 80L)
[10:56:17.761]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:56:17.761]             base::names(...future.oldOptions))
[10:56:17.761]     }
[10:56:17.761]     if (FALSE) {
[10:56:17.761]     }
[10:56:17.761]     else {
[10:56:17.761]         if (TRUE) {
[10:56:17.761]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:56:17.761]                 open = "w")
[10:56:17.761]         }
[10:56:17.761]         else {
[10:56:17.761]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:56:17.761]                 windows = "NUL", "/dev/null"), open = "w")
[10:56:17.761]         }
[10:56:17.761]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:56:17.761]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:56:17.761]             base::sink(type = "output", split = FALSE)
[10:56:17.761]             base::close(...future.stdout)
[10:56:17.761]         }, add = TRUE)
[10:56:17.761]     }
[10:56:17.761]     ...future.frame <- base::sys.nframe()
[10:56:17.761]     ...future.conditions <- base::list()
[10:56:17.761]     ...future.rng <- base::globalenv()$.Random.seed
[10:56:17.761]     if (FALSE) {
[10:56:17.761]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:56:17.761]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:56:17.761]     }
[10:56:17.761]     ...future.result <- base::tryCatch({
[10:56:17.761]         base::withCallingHandlers({
[10:56:17.761]             ...future.value <- base::withVisible(base::local({
[10:56:17.761]                 x <- list(b = 2)
[10:56:17.761]                 x$a <- 1
[10:56:17.761]                 x
[10:56:17.761]             }))
[10:56:17.761]             future::FutureResult(value = ...future.value$value, 
[10:56:17.761]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.761]                   ...future.rng), globalenv = if (FALSE) 
[10:56:17.761]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:56:17.761]                     ...future.globalenv.names))
[10:56:17.761]                 else NULL, started = ...future.startTime, version = "1.8")
[10:56:17.761]         }, condition = base::local({
[10:56:17.761]             c <- base::c
[10:56:17.761]             inherits <- base::inherits
[10:56:17.761]             invokeRestart <- base::invokeRestart
[10:56:17.761]             length <- base::length
[10:56:17.761]             list <- base::list
[10:56:17.761]             seq.int <- base::seq.int
[10:56:17.761]             signalCondition <- base::signalCondition
[10:56:17.761]             sys.calls <- base::sys.calls
[10:56:17.761]             `[[` <- base::`[[`
[10:56:17.761]             `+` <- base::`+`
[10:56:17.761]             `<<-` <- base::`<<-`
[10:56:17.761]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:56:17.761]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:56:17.761]                   3L)]
[10:56:17.761]             }
[10:56:17.761]             function(cond) {
[10:56:17.761]                 is_error <- inherits(cond, "error")
[10:56:17.761]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:56:17.761]                   NULL)
[10:56:17.761]                 if (is_error) {
[10:56:17.761]                   sessionInformation <- function() {
[10:56:17.761]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:56:17.761]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:56:17.761]                       search = base::search(), system = base::Sys.info())
[10:56:17.761]                   }
[10:56:17.761]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.761]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:56:17.761]                     cond$call), session = sessionInformation(), 
[10:56:17.761]                     timestamp = base::Sys.time(), signaled = 0L)
[10:56:17.761]                   signalCondition(cond)
[10:56:17.761]                 }
[10:56:17.761]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:56:17.761]                   signal <- FALSE && inherits(cond, character(0))
[10:56:17.761]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.761]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:56:17.761]                   if (FALSE && !signal) {
[10:56:17.761]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.761]                     {
[10:56:17.761]                       inherits <- base::inherits
[10:56:17.761]                       invokeRestart <- base::invokeRestart
[10:56:17.761]                       is.null <- base::is.null
[10:56:17.761]                       muffled <- FALSE
[10:56:17.761]                       if (inherits(cond, "message")) {
[10:56:17.761]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.761]                         if (muffled) 
[10:56:17.761]                           invokeRestart("muffleMessage")
[10:56:17.761]                       }
[10:56:17.761]                       else if (inherits(cond, "warning")) {
[10:56:17.761]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.761]                         if (muffled) 
[10:56:17.761]                           invokeRestart("muffleWarning")
[10:56:17.761]                       }
[10:56:17.761]                       else if (inherits(cond, "condition")) {
[10:56:17.761]                         if (!is.null(pattern)) {
[10:56:17.761]                           computeRestarts <- base::computeRestarts
[10:56:17.761]                           grepl <- base::grepl
[10:56:17.761]                           restarts <- computeRestarts(cond)
[10:56:17.761]                           for (restart in restarts) {
[10:56:17.761]                             name <- restart$name
[10:56:17.761]                             if (is.null(name)) 
[10:56:17.761]                               next
[10:56:17.761]                             if (!grepl(pattern, name)) 
[10:56:17.761]                               next
[10:56:17.761]                             invokeRestart(restart)
[10:56:17.761]                             muffled <- TRUE
[10:56:17.761]                             break
[10:56:17.761]                           }
[10:56:17.761]                         }
[10:56:17.761]                       }
[10:56:17.761]                       invisible(muffled)
[10:56:17.761]                     }
[10:56:17.761]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.761]                   }
[10:56:17.761]                 }
[10:56:17.761]                 else {
[10:56:17.761]                   if (TRUE) {
[10:56:17.761]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.761]                     {
[10:56:17.761]                       inherits <- base::inherits
[10:56:17.761]                       invokeRestart <- base::invokeRestart
[10:56:17.761]                       is.null <- base::is.null
[10:56:17.761]                       muffled <- FALSE
[10:56:17.761]                       if (inherits(cond, "message")) {
[10:56:17.761]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.761]                         if (muffled) 
[10:56:17.761]                           invokeRestart("muffleMessage")
[10:56:17.761]                       }
[10:56:17.761]                       else if (inherits(cond, "warning")) {
[10:56:17.761]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.761]                         if (muffled) 
[10:56:17.761]                           invokeRestart("muffleWarning")
[10:56:17.761]                       }
[10:56:17.761]                       else if (inherits(cond, "condition")) {
[10:56:17.761]                         if (!is.null(pattern)) {
[10:56:17.761]                           computeRestarts <- base::computeRestarts
[10:56:17.761]                           grepl <- base::grepl
[10:56:17.761]                           restarts <- computeRestarts(cond)
[10:56:17.761]                           for (restart in restarts) {
[10:56:17.761]                             name <- restart$name
[10:56:17.761]                             if (is.null(name)) 
[10:56:17.761]                               next
[10:56:17.761]                             if (!grepl(pattern, name)) 
[10:56:17.761]                               next
[10:56:17.761]                             invokeRestart(restart)
[10:56:17.761]                             muffled <- TRUE
[10:56:17.761]                             break
[10:56:17.761]                           }
[10:56:17.761]                         }
[10:56:17.761]                       }
[10:56:17.761]                       invisible(muffled)
[10:56:17.761]                     }
[10:56:17.761]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.761]                   }
[10:56:17.761]                 }
[10:56:17.761]             }
[10:56:17.761]         }))
[10:56:17.761]     }, error = function(ex) {
[10:56:17.761]         base::structure(base::list(value = NULL, visible = NULL, 
[10:56:17.761]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.761]                 ...future.rng), started = ...future.startTime, 
[10:56:17.761]             finished = Sys.time(), session_uuid = NA_character_, 
[10:56:17.761]             version = "1.8"), class = "FutureResult")
[10:56:17.761]     }, finally = {
[10:56:17.761]         if (!identical(...future.workdir, getwd())) 
[10:56:17.761]             setwd(...future.workdir)
[10:56:17.761]         {
[10:56:17.761]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:56:17.761]                 ...future.oldOptions$nwarnings <- NULL
[10:56:17.761]             }
[10:56:17.761]             base::options(...future.oldOptions)
[10:56:17.761]             if (.Platform$OS.type == "windows") {
[10:56:17.761]                 old_names <- names(...future.oldEnvVars)
[10:56:17.761]                 envs <- base::Sys.getenv()
[10:56:17.761]                 names <- names(envs)
[10:56:17.761]                 common <- intersect(names, old_names)
[10:56:17.761]                 added <- setdiff(names, old_names)
[10:56:17.761]                 removed <- setdiff(old_names, names)
[10:56:17.761]                 changed <- common[...future.oldEnvVars[common] != 
[10:56:17.761]                   envs[common]]
[10:56:17.761]                 NAMES <- toupper(changed)
[10:56:17.761]                 args <- list()
[10:56:17.761]                 for (kk in seq_along(NAMES)) {
[10:56:17.761]                   name <- changed[[kk]]
[10:56:17.761]                   NAME <- NAMES[[kk]]
[10:56:17.761]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.761]                     next
[10:56:17.761]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.761]                 }
[10:56:17.761]                 NAMES <- toupper(added)
[10:56:17.761]                 for (kk in seq_along(NAMES)) {
[10:56:17.761]                   name <- added[[kk]]
[10:56:17.761]                   NAME <- NAMES[[kk]]
[10:56:17.761]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.761]                     next
[10:56:17.761]                   args[[name]] <- ""
[10:56:17.761]                 }
[10:56:17.761]                 NAMES <- toupper(removed)
[10:56:17.761]                 for (kk in seq_along(NAMES)) {
[10:56:17.761]                   name <- removed[[kk]]
[10:56:17.761]                   NAME <- NAMES[[kk]]
[10:56:17.761]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.761]                     next
[10:56:17.761]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.761]                 }
[10:56:17.761]                 if (length(args) > 0) 
[10:56:17.761]                   base::do.call(base::Sys.setenv, args = args)
[10:56:17.761]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:56:17.761]             }
[10:56:17.761]             else {
[10:56:17.761]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:56:17.761]             }
[10:56:17.761]             {
[10:56:17.761]                 if (base::length(...future.futureOptionsAdded) > 
[10:56:17.761]                   0L) {
[10:56:17.761]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:56:17.761]                   base::names(opts) <- ...future.futureOptionsAdded
[10:56:17.761]                   base::options(opts)
[10:56:17.761]                 }
[10:56:17.761]                 {
[10:56:17.761]                   NULL
[10:56:17.761]                   options(future.plan = NULL)
[10:56:17.761]                   if (is.na(NA_character_)) 
[10:56:17.761]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.761]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:56:17.761]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:56:17.761]                     .init = FALSE)
[10:56:17.761]                 }
[10:56:17.761]             }
[10:56:17.761]         }
[10:56:17.761]     })
[10:56:17.761]     if (TRUE) {
[10:56:17.761]         base::sink(type = "output", split = FALSE)
[10:56:17.761]         if (TRUE) {
[10:56:17.761]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:56:17.761]         }
[10:56:17.761]         else {
[10:56:17.761]             ...future.result["stdout"] <- base::list(NULL)
[10:56:17.761]         }
[10:56:17.761]         base::close(...future.stdout)
[10:56:17.761]         ...future.stdout <- NULL
[10:56:17.761]     }
[10:56:17.761]     ...future.result$conditions <- ...future.conditions
[10:56:17.761]     ...future.result$finished <- base::Sys.time()
[10:56:17.761]     ...future.result
[10:56:17.761] }
[10:56:17.765] - Launch lazy future ... done
[10:56:17.765] 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'
[10:56:17.768] 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'
[10:56:17.769] Searching for globals...
[10:56:17.772] - globals found: [5] '{', 'x', '<-', '[[', '[[<-'
[10:56:17.773] Searching for globals ... DONE
[10:56:17.773] Resolving globals: TRUE
[10:56:17.773] Resolving any globals that are futures ...
[10:56:17.773] - globals: [5] '{', 'x', '<-', '[[', '[[<-'
[10:56:17.773] Resolving any globals that are futures ... DONE
[10:56:17.774] Resolving futures part of globals (recursively) ...
[10:56:17.774] resolve() on list ...
[10:56:17.774]  recursive: 99
[10:56:17.774]  length: 1
[10:56:17.775]  elements: 'x'
[10:56:17.775]  length: 0 (resolved future 1)
[10:56:17.775] resolve() on list ... DONE
[10:56:17.775] - globals: [1] 'x'
[10:56:17.775] Resolving futures part of globals (recursively) ... DONE
[10:56:17.775] The total size of the 1 globals is 0 bytes (0 bytes)
[10:56:17.776] 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')
[10:56:17.776] - globals: [1] 'x'
[10:56:17.776] 
[10:56:17.776] getGlobalsAndPackages() ... DONE
[10:56:17.777] run() for 'Future' ...
[10:56:17.777] - state: 'created'
[10:56:17.777] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[10:56:17.779] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[10:56:17.780] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[10:56:17.780]   - Field: 'label'
[10:56:17.780]   - Field: 'local'
[10:56:17.780]   - Field: 'owner'
[10:56:17.780]   - Field: 'envir'
[10:56:17.780]   - Field: 'packages'
[10:56:17.781]   - Field: 'gc'
[10:56:17.781]   - Field: 'conditions'
[10:56:17.781]   - Field: 'expr'
[10:56:17.781]   - Field: 'uuid'
[10:56:17.781]   - Field: 'seed'
[10:56:17.782]   - Field: 'version'
[10:56:17.782]   - Field: 'result'
[10:56:17.782]   - Field: 'asynchronous'
[10:56:17.782]   - Field: 'calls'
[10:56:17.782]   - Field: 'globals'
[10:56:17.782]   - Field: 'stdout'
[10:56:17.783]   - Field: 'earlySignal'
[10:56:17.783]   - Field: 'lazy'
[10:56:17.783]   - Field: 'state'
[10:56:17.783]   - Field: '.cluster'
[10:56:17.783] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[10:56:17.783] - Launch lazy future ...
[10:56:17.784] Packages needed by the future expression (n = 0): <none>
[10:56:17.784] Packages needed by future strategies (n = 0): <none>
[10:56:17.784] {
[10:56:17.784]     {
[10:56:17.784]         {
[10:56:17.784]             ...future.startTime <- base::Sys.time()
[10:56:17.784]             {
[10:56:17.784]                 {
[10:56:17.784]                   {
[10:56:17.784]                     base::local({
[10:56:17.784]                       has_future <- base::requireNamespace("future", 
[10:56:17.784]                         quietly = TRUE)
[10:56:17.784]                       if (has_future) {
[10:56:17.784]                         ns <- base::getNamespace("future")
[10:56:17.784]                         version <- ns[[".package"]][["version"]]
[10:56:17.784]                         if (is.null(version)) 
[10:56:17.784]                           version <- utils::packageVersion("future")
[10:56:17.784]                       }
[10:56:17.784]                       else {
[10:56:17.784]                         version <- NULL
[10:56:17.784]                       }
[10:56:17.784]                       if (!has_future || version < "1.8.0") {
[10:56:17.784]                         info <- base::c(r_version = base::gsub("R version ", 
[10:56:17.784]                           "", base::R.version$version.string), 
[10:56:17.784]                           platform = base::sprintf("%s (%s-bit)", 
[10:56:17.784]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:56:17.784]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:56:17.784]                             "release", "version")], collapse = " "), 
[10:56:17.784]                           hostname = base::Sys.info()[["nodename"]])
[10:56:17.784]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:56:17.784]                           info)
[10:56:17.784]                         info <- base::paste(info, collapse = "; ")
[10:56:17.784]                         if (!has_future) {
[10:56:17.784]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:56:17.784]                             info)
[10:56:17.784]                         }
[10:56:17.784]                         else {
[10:56:17.784]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:56:17.784]                             info, version)
[10:56:17.784]                         }
[10:56:17.784]                         base::stop(msg)
[10:56:17.784]                       }
[10:56:17.784]                     })
[10:56:17.784]                   }
[10:56:17.784]                   ...future.strategy.old <- future::plan("list")
[10:56:17.784]                   options(future.plan = NULL)
[10:56:17.784]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.784]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:56:17.784]                 }
[10:56:17.784]                 ...future.workdir <- getwd()
[10:56:17.784]             }
[10:56:17.784]             ...future.oldOptions <- base::as.list(base::.Options)
[10:56:17.784]             ...future.oldEnvVars <- base::Sys.getenv()
[10:56:17.784]         }
[10:56:17.784]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[10:56:17.784]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:56:17.784]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[10:56:17.784]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[10:56:17.784]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:56:17.784]             future.stdout.windows.reencode = NULL, width = 80L)
[10:56:17.784]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:56:17.784]             base::names(...future.oldOptions))
[10:56:17.784]     }
[10:56:17.784]     if (FALSE) {
[10:56:17.784]     }
[10:56:17.784]     else {
[10:56:17.784]         if (TRUE) {
[10:56:17.784]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:56:17.784]                 open = "w")
[10:56:17.784]         }
[10:56:17.784]         else {
[10:56:17.784]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:56:17.784]                 windows = "NUL", "/dev/null"), open = "w")
[10:56:17.784]         }
[10:56:17.784]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:56:17.784]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:56:17.784]             base::sink(type = "output", split = FALSE)
[10:56:17.784]             base::close(...future.stdout)
[10:56:17.784]         }, add = TRUE)
[10:56:17.784]     }
[10:56:17.784]     ...future.frame <- base::sys.nframe()
[10:56:17.784]     ...future.conditions <- base::list()
[10:56:17.784]     ...future.rng <- base::globalenv()$.Random.seed
[10:56:17.784]     if (FALSE) {
[10:56:17.784]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:56:17.784]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:56:17.784]     }
[10:56:17.784]     ...future.result <- base::tryCatch({
[10:56:17.784]         base::withCallingHandlers({
[10:56:17.784]             ...future.value <- base::withVisible(base::local({
[10:56:17.784]                 x[["a"]] <- 1
[10:56:17.784]                 x
[10:56:17.784]             }))
[10:56:17.784]             future::FutureResult(value = ...future.value$value, 
[10:56:17.784]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.784]                   ...future.rng), globalenv = if (FALSE) 
[10:56:17.784]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:56:17.784]                     ...future.globalenv.names))
[10:56:17.784]                 else NULL, started = ...future.startTime, version = "1.8")
[10:56:17.784]         }, condition = base::local({
[10:56:17.784]             c <- base::c
[10:56:17.784]             inherits <- base::inherits
[10:56:17.784]             invokeRestart <- base::invokeRestart
[10:56:17.784]             length <- base::length
[10:56:17.784]             list <- base::list
[10:56:17.784]             seq.int <- base::seq.int
[10:56:17.784]             signalCondition <- base::signalCondition
[10:56:17.784]             sys.calls <- base::sys.calls
[10:56:17.784]             `[[` <- base::`[[`
[10:56:17.784]             `+` <- base::`+`
[10:56:17.784]             `<<-` <- base::`<<-`
[10:56:17.784]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:56:17.784]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:56:17.784]                   3L)]
[10:56:17.784]             }
[10:56:17.784]             function(cond) {
[10:56:17.784]                 is_error <- inherits(cond, "error")
[10:56:17.784]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:56:17.784]                   NULL)
[10:56:17.784]                 if (is_error) {
[10:56:17.784]                   sessionInformation <- function() {
[10:56:17.784]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:56:17.784]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:56:17.784]                       search = base::search(), system = base::Sys.info())
[10:56:17.784]                   }
[10:56:17.784]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.784]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:56:17.784]                     cond$call), session = sessionInformation(), 
[10:56:17.784]                     timestamp = base::Sys.time(), signaled = 0L)
[10:56:17.784]                   signalCondition(cond)
[10:56:17.784]                 }
[10:56:17.784]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:56:17.784]                   signal <- FALSE && inherits(cond, character(0))
[10:56:17.784]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.784]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:56:17.784]                   if (FALSE && !signal) {
[10:56:17.784]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.784]                     {
[10:56:17.784]                       inherits <- base::inherits
[10:56:17.784]                       invokeRestart <- base::invokeRestart
[10:56:17.784]                       is.null <- base::is.null
[10:56:17.784]                       muffled <- FALSE
[10:56:17.784]                       if (inherits(cond, "message")) {
[10:56:17.784]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.784]                         if (muffled) 
[10:56:17.784]                           invokeRestart("muffleMessage")
[10:56:17.784]                       }
[10:56:17.784]                       else if (inherits(cond, "warning")) {
[10:56:17.784]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.784]                         if (muffled) 
[10:56:17.784]                           invokeRestart("muffleWarning")
[10:56:17.784]                       }
[10:56:17.784]                       else if (inherits(cond, "condition")) {
[10:56:17.784]                         if (!is.null(pattern)) {
[10:56:17.784]                           computeRestarts <- base::computeRestarts
[10:56:17.784]                           grepl <- base::grepl
[10:56:17.784]                           restarts <- computeRestarts(cond)
[10:56:17.784]                           for (restart in restarts) {
[10:56:17.784]                             name <- restart$name
[10:56:17.784]                             if (is.null(name)) 
[10:56:17.784]                               next
[10:56:17.784]                             if (!grepl(pattern, name)) 
[10:56:17.784]                               next
[10:56:17.784]                             invokeRestart(restart)
[10:56:17.784]                             muffled <- TRUE
[10:56:17.784]                             break
[10:56:17.784]                           }
[10:56:17.784]                         }
[10:56:17.784]                       }
[10:56:17.784]                       invisible(muffled)
[10:56:17.784]                     }
[10:56:17.784]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.784]                   }
[10:56:17.784]                 }
[10:56:17.784]                 else {
[10:56:17.784]                   if (TRUE) {
[10:56:17.784]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.784]                     {
[10:56:17.784]                       inherits <- base::inherits
[10:56:17.784]                       invokeRestart <- base::invokeRestart
[10:56:17.784]                       is.null <- base::is.null
[10:56:17.784]                       muffled <- FALSE
[10:56:17.784]                       if (inherits(cond, "message")) {
[10:56:17.784]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.784]                         if (muffled) 
[10:56:17.784]                           invokeRestart("muffleMessage")
[10:56:17.784]                       }
[10:56:17.784]                       else if (inherits(cond, "warning")) {
[10:56:17.784]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.784]                         if (muffled) 
[10:56:17.784]                           invokeRestart("muffleWarning")
[10:56:17.784]                       }
[10:56:17.784]                       else if (inherits(cond, "condition")) {
[10:56:17.784]                         if (!is.null(pattern)) {
[10:56:17.784]                           computeRestarts <- base::computeRestarts
[10:56:17.784]                           grepl <- base::grepl
[10:56:17.784]                           restarts <- computeRestarts(cond)
[10:56:17.784]                           for (restart in restarts) {
[10:56:17.784]                             name <- restart$name
[10:56:17.784]                             if (is.null(name)) 
[10:56:17.784]                               next
[10:56:17.784]                             if (!grepl(pattern, name)) 
[10:56:17.784]                               next
[10:56:17.784]                             invokeRestart(restart)
[10:56:17.784]                             muffled <- TRUE
[10:56:17.784]                             break
[10:56:17.784]                           }
[10:56:17.784]                         }
[10:56:17.784]                       }
[10:56:17.784]                       invisible(muffled)
[10:56:17.784]                     }
[10:56:17.784]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.784]                   }
[10:56:17.784]                 }
[10:56:17.784]             }
[10:56:17.784]         }))
[10:56:17.784]     }, error = function(ex) {
[10:56:17.784]         base::structure(base::list(value = NULL, visible = NULL, 
[10:56:17.784]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.784]                 ...future.rng), started = ...future.startTime, 
[10:56:17.784]             finished = Sys.time(), session_uuid = NA_character_, 
[10:56:17.784]             version = "1.8"), class = "FutureResult")
[10:56:17.784]     }, finally = {
[10:56:17.784]         if (!identical(...future.workdir, getwd())) 
[10:56:17.784]             setwd(...future.workdir)
[10:56:17.784]         {
[10:56:17.784]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:56:17.784]                 ...future.oldOptions$nwarnings <- NULL
[10:56:17.784]             }
[10:56:17.784]             base::options(...future.oldOptions)
[10:56:17.784]             if (.Platform$OS.type == "windows") {
[10:56:17.784]                 old_names <- names(...future.oldEnvVars)
[10:56:17.784]                 envs <- base::Sys.getenv()
[10:56:17.784]                 names <- names(envs)
[10:56:17.784]                 common <- intersect(names, old_names)
[10:56:17.784]                 added <- setdiff(names, old_names)
[10:56:17.784]                 removed <- setdiff(old_names, names)
[10:56:17.784]                 changed <- common[...future.oldEnvVars[common] != 
[10:56:17.784]                   envs[common]]
[10:56:17.784]                 NAMES <- toupper(changed)
[10:56:17.784]                 args <- list()
[10:56:17.784]                 for (kk in seq_along(NAMES)) {
[10:56:17.784]                   name <- changed[[kk]]
[10:56:17.784]                   NAME <- NAMES[[kk]]
[10:56:17.784]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.784]                     next
[10:56:17.784]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.784]                 }
[10:56:17.784]                 NAMES <- toupper(added)
[10:56:17.784]                 for (kk in seq_along(NAMES)) {
[10:56:17.784]                   name <- added[[kk]]
[10:56:17.784]                   NAME <- NAMES[[kk]]
[10:56:17.784]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.784]                     next
[10:56:17.784]                   args[[name]] <- ""
[10:56:17.784]                 }
[10:56:17.784]                 NAMES <- toupper(removed)
[10:56:17.784]                 for (kk in seq_along(NAMES)) {
[10:56:17.784]                   name <- removed[[kk]]
[10:56:17.784]                   NAME <- NAMES[[kk]]
[10:56:17.784]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.784]                     next
[10:56:17.784]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.784]                 }
[10:56:17.784]                 if (length(args) > 0) 
[10:56:17.784]                   base::do.call(base::Sys.setenv, args = args)
[10:56:17.784]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:56:17.784]             }
[10:56:17.784]             else {
[10:56:17.784]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:56:17.784]             }
[10:56:17.784]             {
[10:56:17.784]                 if (base::length(...future.futureOptionsAdded) > 
[10:56:17.784]                   0L) {
[10:56:17.784]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:56:17.784]                   base::names(opts) <- ...future.futureOptionsAdded
[10:56:17.784]                   base::options(opts)
[10:56:17.784]                 }
[10:56:17.784]                 {
[10:56:17.784]                   NULL
[10:56:17.784]                   options(future.plan = NULL)
[10:56:17.784]                   if (is.na(NA_character_)) 
[10:56:17.784]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.784]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:56:17.784]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:56:17.784]                     .init = FALSE)
[10:56:17.784]                 }
[10:56:17.784]             }
[10:56:17.784]         }
[10:56:17.784]     })
[10:56:17.784]     if (TRUE) {
[10:56:17.784]         base::sink(type = "output", split = FALSE)
[10:56:17.784]         if (TRUE) {
[10:56:17.784]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:56:17.784]         }
[10:56:17.784]         else {
[10:56:17.784]             ...future.result["stdout"] <- base::list(NULL)
[10:56:17.784]         }
[10:56:17.784]         base::close(...future.stdout)
[10:56:17.784]         ...future.stdout <- NULL
[10:56:17.784]     }
[10:56:17.784]     ...future.result$conditions <- ...future.conditions
[10:56:17.784]     ...future.result$finished <- base::Sys.time()
[10:56:17.784]     ...future.result
[10:56:17.784] }
[10:56:17.788] - Launch lazy future ... done
[10:56:17.788] 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'
[10:56:17.792] 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'
[10:56:17.792] Searching for globals...
[10:56:17.795] - globals found: [5] '{', 'x', '<-', '[[', '[[<-'
[10:56:17.795] Searching for globals ... DONE
[10:56:17.795] Resolving globals: TRUE
[10:56:17.795] Resolving any globals that are futures ...
[10:56:17.795] - globals: [5] '{', 'x', '<-', '[[', '[[<-'
[10:56:17.795] Resolving any globals that are futures ... DONE
[10:56:17.796] Resolving futures part of globals (recursively) ...
[10:56:17.796] resolve() on list ...
[10:56:17.796]  recursive: 99
[10:56:17.797]  length: 1
[10:56:17.797]  elements: 'x'
[10:56:17.797]  length: 0 (resolved future 1)
[10:56:17.797] resolve() on list ... DONE
[10:56:17.797] - globals: [1] 'x'
[10:56:17.797] Resolving futures part of globals (recursively) ... DONE
[10:56:17.798] The total size of the 1 globals is 0 bytes (0 bytes)
[10:56:17.798] 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')
[10:56:17.798] - globals: [1] 'x'
[10:56:17.798] 
[10:56:17.799] getGlobalsAndPackages() ... DONE
[10:56:17.799] run() for 'Future' ...
[10:56:17.799] - state: 'created'
[10:56:17.799] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[10:56:17.801] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[10:56:17.802] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[10:56:17.802]   - Field: 'label'
[10:56:17.802]   - Field: 'local'
[10:56:17.802]   - Field: 'owner'
[10:56:17.802]   - Field: 'envir'
[10:56:17.803]   - Field: 'packages'
[10:56:17.803]   - Field: 'gc'
[10:56:17.803]   - Field: 'conditions'
[10:56:17.803]   - Field: 'expr'
[10:56:17.803]   - Field: 'uuid'
[10:56:17.803]   - Field: 'seed'
[10:56:17.804]   - Field: 'version'
[10:56:17.804]   - Field: 'result'
[10:56:17.804]   - Field: 'asynchronous'
[10:56:17.804]   - Field: 'calls'
[10:56:17.804]   - Field: 'globals'
[10:56:17.804]   - Field: 'stdout'
[10:56:17.805]   - Field: 'earlySignal'
[10:56:17.805]   - Field: 'lazy'
[10:56:17.805]   - Field: 'state'
[10:56:17.805]   - Field: '.cluster'
[10:56:17.805] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[10:56:17.805] - Launch lazy future ...
[10:56:17.806] Packages needed by the future expression (n = 0): <none>
[10:56:17.806] Packages needed by future strategies (n = 0): <none>
[10:56:17.808] {
[10:56:17.808]     {
[10:56:17.808]         {
[10:56:17.808]             ...future.startTime <- base::Sys.time()
[10:56:17.808]             {
[10:56:17.808]                 {
[10:56:17.808]                   {
[10:56:17.808]                     base::local({
[10:56:17.808]                       has_future <- base::requireNamespace("future", 
[10:56:17.808]                         quietly = TRUE)
[10:56:17.808]                       if (has_future) {
[10:56:17.808]                         ns <- base::getNamespace("future")
[10:56:17.808]                         version <- ns[[".package"]][["version"]]
[10:56:17.808]                         if (is.null(version)) 
[10:56:17.808]                           version <- utils::packageVersion("future")
[10:56:17.808]                       }
[10:56:17.808]                       else {
[10:56:17.808]                         version <- NULL
[10:56:17.808]                       }
[10:56:17.808]                       if (!has_future || version < "1.8.0") {
[10:56:17.808]                         info <- base::c(r_version = base::gsub("R version ", 
[10:56:17.808]                           "", base::R.version$version.string), 
[10:56:17.808]                           platform = base::sprintf("%s (%s-bit)", 
[10:56:17.808]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:56:17.808]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:56:17.808]                             "release", "version")], collapse = " "), 
[10:56:17.808]                           hostname = base::Sys.info()[["nodename"]])
[10:56:17.808]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:56:17.808]                           info)
[10:56:17.808]                         info <- base::paste(info, collapse = "; ")
[10:56:17.808]                         if (!has_future) {
[10:56:17.808]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:56:17.808]                             info)
[10:56:17.808]                         }
[10:56:17.808]                         else {
[10:56:17.808]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:56:17.808]                             info, version)
[10:56:17.808]                         }
[10:56:17.808]                         base::stop(msg)
[10:56:17.808]                       }
[10:56:17.808]                     })
[10:56:17.808]                   }
[10:56:17.808]                   ...future.strategy.old <- future::plan("list")
[10:56:17.808]                   options(future.plan = NULL)
[10:56:17.808]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.808]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:56:17.808]                 }
[10:56:17.808]                 ...future.workdir <- getwd()
[10:56:17.808]             }
[10:56:17.808]             ...future.oldOptions <- base::as.list(base::.Options)
[10:56:17.808]             ...future.oldEnvVars <- base::Sys.getenv()
[10:56:17.808]         }
[10:56:17.808]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[10:56:17.808]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:56:17.808]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[10:56:17.808]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[10:56:17.808]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:56:17.808]             future.stdout.windows.reencode = NULL, width = 80L)
[10:56:17.808]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:56:17.808]             base::names(...future.oldOptions))
[10:56:17.808]     }
[10:56:17.808]     if (FALSE) {
[10:56:17.808]     }
[10:56:17.808]     else {
[10:56:17.808]         if (TRUE) {
[10:56:17.808]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:56:17.808]                 open = "w")
[10:56:17.808]         }
[10:56:17.808]         else {
[10:56:17.808]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:56:17.808]                 windows = "NUL", "/dev/null"), open = "w")
[10:56:17.808]         }
[10:56:17.808]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:56:17.808]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:56:17.808]             base::sink(type = "output", split = FALSE)
[10:56:17.808]             base::close(...future.stdout)
[10:56:17.808]         }, add = TRUE)
[10:56:17.808]     }
[10:56:17.808]     ...future.frame <- base::sys.nframe()
[10:56:17.808]     ...future.conditions <- base::list()
[10:56:17.808]     ...future.rng <- base::globalenv()$.Random.seed
[10:56:17.808]     if (FALSE) {
[10:56:17.808]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:56:17.808]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:56:17.808]     }
[10:56:17.808]     ...future.result <- base::tryCatch({
[10:56:17.808]         base::withCallingHandlers({
[10:56:17.808]             ...future.value <- base::withVisible(base::local({
[10:56:17.808]                 x[["a"]] <- 1
[10:56:17.808]                 x
[10:56:17.808]             }))
[10:56:17.808]             future::FutureResult(value = ...future.value$value, 
[10:56:17.808]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.808]                   ...future.rng), globalenv = if (FALSE) 
[10:56:17.808]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:56:17.808]                     ...future.globalenv.names))
[10:56:17.808]                 else NULL, started = ...future.startTime, version = "1.8")
[10:56:17.808]         }, condition = base::local({
[10:56:17.808]             c <- base::c
[10:56:17.808]             inherits <- base::inherits
[10:56:17.808]             invokeRestart <- base::invokeRestart
[10:56:17.808]             length <- base::length
[10:56:17.808]             list <- base::list
[10:56:17.808]             seq.int <- base::seq.int
[10:56:17.808]             signalCondition <- base::signalCondition
[10:56:17.808]             sys.calls <- base::sys.calls
[10:56:17.808]             `[[` <- base::`[[`
[10:56:17.808]             `+` <- base::`+`
[10:56:17.808]             `<<-` <- base::`<<-`
[10:56:17.808]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:56:17.808]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:56:17.808]                   3L)]
[10:56:17.808]             }
[10:56:17.808]             function(cond) {
[10:56:17.808]                 is_error <- inherits(cond, "error")
[10:56:17.808]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:56:17.808]                   NULL)
[10:56:17.808]                 if (is_error) {
[10:56:17.808]                   sessionInformation <- function() {
[10:56:17.808]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:56:17.808]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:56:17.808]                       search = base::search(), system = base::Sys.info())
[10:56:17.808]                   }
[10:56:17.808]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.808]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:56:17.808]                     cond$call), session = sessionInformation(), 
[10:56:17.808]                     timestamp = base::Sys.time(), signaled = 0L)
[10:56:17.808]                   signalCondition(cond)
[10:56:17.808]                 }
[10:56:17.808]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:56:17.808]                   signal <- FALSE && inherits(cond, character(0))
[10:56:17.808]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.808]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:56:17.808]                   if (FALSE && !signal) {
[10:56:17.808]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.808]                     {
[10:56:17.808]                       inherits <- base::inherits
[10:56:17.808]                       invokeRestart <- base::invokeRestart
[10:56:17.808]                       is.null <- base::is.null
[10:56:17.808]                       muffled <- FALSE
[10:56:17.808]                       if (inherits(cond, "message")) {
[10:56:17.808]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.808]                         if (muffled) 
[10:56:17.808]                           invokeRestart("muffleMessage")
[10:56:17.808]                       }
[10:56:17.808]                       else if (inherits(cond, "warning")) {
[10:56:17.808]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.808]                         if (muffled) 
[10:56:17.808]                           invokeRestart("muffleWarning")
[10:56:17.808]                       }
[10:56:17.808]                       else if (inherits(cond, "condition")) {
[10:56:17.808]                         if (!is.null(pattern)) {
[10:56:17.808]                           computeRestarts <- base::computeRestarts
[10:56:17.808]                           grepl <- base::grepl
[10:56:17.808]                           restarts <- computeRestarts(cond)
[10:56:17.808]                           for (restart in restarts) {
[10:56:17.808]                             name <- restart$name
[10:56:17.808]                             if (is.null(name)) 
[10:56:17.808]                               next
[10:56:17.808]                             if (!grepl(pattern, name)) 
[10:56:17.808]                               next
[10:56:17.808]                             invokeRestart(restart)
[10:56:17.808]                             muffled <- TRUE
[10:56:17.808]                             break
[10:56:17.808]                           }
[10:56:17.808]                         }
[10:56:17.808]                       }
[10:56:17.808]                       invisible(muffled)
[10:56:17.808]                     }
[10:56:17.808]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.808]                   }
[10:56:17.808]                 }
[10:56:17.808]                 else {
[10:56:17.808]                   if (TRUE) {
[10:56:17.808]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.808]                     {
[10:56:17.808]                       inherits <- base::inherits
[10:56:17.808]                       invokeRestart <- base::invokeRestart
[10:56:17.808]                       is.null <- base::is.null
[10:56:17.808]                       muffled <- FALSE
[10:56:17.808]                       if (inherits(cond, "message")) {
[10:56:17.808]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.808]                         if (muffled) 
[10:56:17.808]                           invokeRestart("muffleMessage")
[10:56:17.808]                       }
[10:56:17.808]                       else if (inherits(cond, "warning")) {
[10:56:17.808]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.808]                         if (muffled) 
[10:56:17.808]                           invokeRestart("muffleWarning")
[10:56:17.808]                       }
[10:56:17.808]                       else if (inherits(cond, "condition")) {
[10:56:17.808]                         if (!is.null(pattern)) {
[10:56:17.808]                           computeRestarts <- base::computeRestarts
[10:56:17.808]                           grepl <- base::grepl
[10:56:17.808]                           restarts <- computeRestarts(cond)
[10:56:17.808]                           for (restart in restarts) {
[10:56:17.808]                             name <- restart$name
[10:56:17.808]                             if (is.null(name)) 
[10:56:17.808]                               next
[10:56:17.808]                             if (!grepl(pattern, name)) 
[10:56:17.808]                               next
[10:56:17.808]                             invokeRestart(restart)
[10:56:17.808]                             muffled <- TRUE
[10:56:17.808]                             break
[10:56:17.808]                           }
[10:56:17.808]                         }
[10:56:17.808]                       }
[10:56:17.808]                       invisible(muffled)
[10:56:17.808]                     }
[10:56:17.808]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.808]                   }
[10:56:17.808]                 }
[10:56:17.808]             }
[10:56:17.808]         }))
[10:56:17.808]     }, error = function(ex) {
[10:56:17.808]         base::structure(base::list(value = NULL, visible = NULL, 
[10:56:17.808]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.808]                 ...future.rng), started = ...future.startTime, 
[10:56:17.808]             finished = Sys.time(), session_uuid = NA_character_, 
[10:56:17.808]             version = "1.8"), class = "FutureResult")
[10:56:17.808]     }, finally = {
[10:56:17.808]         if (!identical(...future.workdir, getwd())) 
[10:56:17.808]             setwd(...future.workdir)
[10:56:17.808]         {
[10:56:17.808]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:56:17.808]                 ...future.oldOptions$nwarnings <- NULL
[10:56:17.808]             }
[10:56:17.808]             base::options(...future.oldOptions)
[10:56:17.808]             if (.Platform$OS.type == "windows") {
[10:56:17.808]                 old_names <- names(...future.oldEnvVars)
[10:56:17.808]                 envs <- base::Sys.getenv()
[10:56:17.808]                 names <- names(envs)
[10:56:17.808]                 common <- intersect(names, old_names)
[10:56:17.808]                 added <- setdiff(names, old_names)
[10:56:17.808]                 removed <- setdiff(old_names, names)
[10:56:17.808]                 changed <- common[...future.oldEnvVars[common] != 
[10:56:17.808]                   envs[common]]
[10:56:17.808]                 NAMES <- toupper(changed)
[10:56:17.808]                 args <- list()
[10:56:17.808]                 for (kk in seq_along(NAMES)) {
[10:56:17.808]                   name <- changed[[kk]]
[10:56:17.808]                   NAME <- NAMES[[kk]]
[10:56:17.808]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.808]                     next
[10:56:17.808]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.808]                 }
[10:56:17.808]                 NAMES <- toupper(added)
[10:56:17.808]                 for (kk in seq_along(NAMES)) {
[10:56:17.808]                   name <- added[[kk]]
[10:56:17.808]                   NAME <- NAMES[[kk]]
[10:56:17.808]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.808]                     next
[10:56:17.808]                   args[[name]] <- ""
[10:56:17.808]                 }
[10:56:17.808]                 NAMES <- toupper(removed)
[10:56:17.808]                 for (kk in seq_along(NAMES)) {
[10:56:17.808]                   name <- removed[[kk]]
[10:56:17.808]                   NAME <- NAMES[[kk]]
[10:56:17.808]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.808]                     next
[10:56:17.808]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.808]                 }
[10:56:17.808]                 if (length(args) > 0) 
[10:56:17.808]                   base::do.call(base::Sys.setenv, args = args)
[10:56:17.808]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:56:17.808]             }
[10:56:17.808]             else {
[10:56:17.808]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:56:17.808]             }
[10:56:17.808]             {
[10:56:17.808]                 if (base::length(...future.futureOptionsAdded) > 
[10:56:17.808]                   0L) {
[10:56:17.808]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:56:17.808]                   base::names(opts) <- ...future.futureOptionsAdded
[10:56:17.808]                   base::options(opts)
[10:56:17.808]                 }
[10:56:17.808]                 {
[10:56:17.808]                   NULL
[10:56:17.808]                   options(future.plan = NULL)
[10:56:17.808]                   if (is.na(NA_character_)) 
[10:56:17.808]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.808]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:56:17.808]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:56:17.808]                     .init = FALSE)
[10:56:17.808]                 }
[10:56:17.808]             }
[10:56:17.808]         }
[10:56:17.808]     })
[10:56:17.808]     if (TRUE) {
[10:56:17.808]         base::sink(type = "output", split = FALSE)
[10:56:17.808]         if (TRUE) {
[10:56:17.808]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:56:17.808]         }
[10:56:17.808]         else {
[10:56:17.808]             ...future.result["stdout"] <- base::list(NULL)
[10:56:17.808]         }
[10:56:17.808]         base::close(...future.stdout)
[10:56:17.808]         ...future.stdout <- NULL
[10:56:17.808]     }
[10:56:17.808]     ...future.result$conditions <- ...future.conditions
[10:56:17.808]     ...future.result$finished <- base::Sys.time()
[10:56:17.808]     ...future.result
[10:56:17.808] }
[10:56:17.812] - Launch lazy future ... done
[10:56:17.812] 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'
[10:56:17.814] 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'
[10:56:17.814] Searching for globals...
[10:56:17.817] - globals found: [6] '{', 'x', '<-', '[', '[<-', 'list'
[10:56:17.817] Searching for globals ... DONE
[10:56:17.817] Resolving globals: TRUE
[10:56:17.818] Resolving any globals that are futures ...
[10:56:17.818] - globals: [6] '{', 'x', '<-', '[', '[<-', 'list'
[10:56:17.818] Resolving any globals that are futures ... DONE
[10:56:17.818] Resolving futures part of globals (recursively) ...
[10:56:17.819] resolve() on list ...
[10:56:17.819]  recursive: 99
[10:56:17.819]  length: 1
[10:56:17.819]  elements: 'x'
[10:56:17.819]  length: 0 (resolved future 1)
[10:56:17.819] resolve() on list ... DONE
[10:56:17.820] - globals: [1] 'x'
[10:56:17.820] Resolving futures part of globals (recursively) ... DONE
[10:56:17.820] The total size of the 1 globals is 0 bytes (0 bytes)
[10:56:17.820] 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')
[10:56:17.821] - globals: [1] 'x'
[10:56:17.821] 
[10:56:17.821] getGlobalsAndPackages() ... DONE
[10:56:17.821] run() for 'Future' ...
[10:56:17.822] - state: 'created'
[10:56:17.822] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[10:56:17.824] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[10:56:17.824] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[10:56:17.825]   - Field: 'label'
[10:56:17.825]   - Field: 'local'
[10:56:17.825]   - Field: 'owner'
[10:56:17.825]   - Field: 'envir'
[10:56:17.825]   - Field: 'packages'
[10:56:17.826]   - Field: 'gc'
[10:56:17.826]   - Field: 'conditions'
[10:56:17.826]   - Field: 'expr'
[10:56:17.826]   - Field: 'uuid'
[10:56:17.826]   - Field: 'seed'
[10:56:17.826]   - Field: 'version'
[10:56:17.827]   - Field: 'result'
[10:56:17.827]   - Field: 'asynchronous'
[10:56:17.827]   - Field: 'calls'
[10:56:17.827]   - Field: 'globals'
[10:56:17.827]   - Field: 'stdout'
[10:56:17.827]   - Field: 'earlySignal'
[10:56:17.828]   - Field: 'lazy'
[10:56:17.828]   - Field: 'state'
[10:56:17.828]   - Field: '.cluster'
[10:56:17.828] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[10:56:17.828] - Launch lazy future ...
[10:56:17.828] Packages needed by the future expression (n = 0): <none>
[10:56:17.829] Packages needed by future strategies (n = 0): <none>
[10:56:17.829] {
[10:56:17.829]     {
[10:56:17.829]         {
[10:56:17.829]             ...future.startTime <- base::Sys.time()
[10:56:17.829]             {
[10:56:17.829]                 {
[10:56:17.829]                   {
[10:56:17.829]                     base::local({
[10:56:17.829]                       has_future <- base::requireNamespace("future", 
[10:56:17.829]                         quietly = TRUE)
[10:56:17.829]                       if (has_future) {
[10:56:17.829]                         ns <- base::getNamespace("future")
[10:56:17.829]                         version <- ns[[".package"]][["version"]]
[10:56:17.829]                         if (is.null(version)) 
[10:56:17.829]                           version <- utils::packageVersion("future")
[10:56:17.829]                       }
[10:56:17.829]                       else {
[10:56:17.829]                         version <- NULL
[10:56:17.829]                       }
[10:56:17.829]                       if (!has_future || version < "1.8.0") {
[10:56:17.829]                         info <- base::c(r_version = base::gsub("R version ", 
[10:56:17.829]                           "", base::R.version$version.string), 
[10:56:17.829]                           platform = base::sprintf("%s (%s-bit)", 
[10:56:17.829]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:56:17.829]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:56:17.829]                             "release", "version")], collapse = " "), 
[10:56:17.829]                           hostname = base::Sys.info()[["nodename"]])
[10:56:17.829]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:56:17.829]                           info)
[10:56:17.829]                         info <- base::paste(info, collapse = "; ")
[10:56:17.829]                         if (!has_future) {
[10:56:17.829]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:56:17.829]                             info)
[10:56:17.829]                         }
[10:56:17.829]                         else {
[10:56:17.829]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:56:17.829]                             info, version)
[10:56:17.829]                         }
[10:56:17.829]                         base::stop(msg)
[10:56:17.829]                       }
[10:56:17.829]                     })
[10:56:17.829]                   }
[10:56:17.829]                   ...future.strategy.old <- future::plan("list")
[10:56:17.829]                   options(future.plan = NULL)
[10:56:17.829]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.829]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:56:17.829]                 }
[10:56:17.829]                 ...future.workdir <- getwd()
[10:56:17.829]             }
[10:56:17.829]             ...future.oldOptions <- base::as.list(base::.Options)
[10:56:17.829]             ...future.oldEnvVars <- base::Sys.getenv()
[10:56:17.829]         }
[10:56:17.829]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[10:56:17.829]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:56:17.829]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[10:56:17.829]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[10:56:17.829]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:56:17.829]             future.stdout.windows.reencode = NULL, width = 80L)
[10:56:17.829]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:56:17.829]             base::names(...future.oldOptions))
[10:56:17.829]     }
[10:56:17.829]     if (FALSE) {
[10:56:17.829]     }
[10:56:17.829]     else {
[10:56:17.829]         if (TRUE) {
[10:56:17.829]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:56:17.829]                 open = "w")
[10:56:17.829]         }
[10:56:17.829]         else {
[10:56:17.829]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:56:17.829]                 windows = "NUL", "/dev/null"), open = "w")
[10:56:17.829]         }
[10:56:17.829]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:56:17.829]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:56:17.829]             base::sink(type = "output", split = FALSE)
[10:56:17.829]             base::close(...future.stdout)
[10:56:17.829]         }, add = TRUE)
[10:56:17.829]     }
[10:56:17.829]     ...future.frame <- base::sys.nframe()
[10:56:17.829]     ...future.conditions <- base::list()
[10:56:17.829]     ...future.rng <- base::globalenv()$.Random.seed
[10:56:17.829]     if (FALSE) {
[10:56:17.829]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:56:17.829]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:56:17.829]     }
[10:56:17.829]     ...future.result <- base::tryCatch({
[10:56:17.829]         base::withCallingHandlers({
[10:56:17.829]             ...future.value <- base::withVisible(base::local({
[10:56:17.829]                 x["a"] <- list(1)
[10:56:17.829]                 x
[10:56:17.829]             }))
[10:56:17.829]             future::FutureResult(value = ...future.value$value, 
[10:56:17.829]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.829]                   ...future.rng), globalenv = if (FALSE) 
[10:56:17.829]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:56:17.829]                     ...future.globalenv.names))
[10:56:17.829]                 else NULL, started = ...future.startTime, version = "1.8")
[10:56:17.829]         }, condition = base::local({
[10:56:17.829]             c <- base::c
[10:56:17.829]             inherits <- base::inherits
[10:56:17.829]             invokeRestart <- base::invokeRestart
[10:56:17.829]             length <- base::length
[10:56:17.829]             list <- base::list
[10:56:17.829]             seq.int <- base::seq.int
[10:56:17.829]             signalCondition <- base::signalCondition
[10:56:17.829]             sys.calls <- base::sys.calls
[10:56:17.829]             `[[` <- base::`[[`
[10:56:17.829]             `+` <- base::`+`
[10:56:17.829]             `<<-` <- base::`<<-`
[10:56:17.829]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:56:17.829]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:56:17.829]                   3L)]
[10:56:17.829]             }
[10:56:17.829]             function(cond) {
[10:56:17.829]                 is_error <- inherits(cond, "error")
[10:56:17.829]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:56:17.829]                   NULL)
[10:56:17.829]                 if (is_error) {
[10:56:17.829]                   sessionInformation <- function() {
[10:56:17.829]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:56:17.829]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:56:17.829]                       search = base::search(), system = base::Sys.info())
[10:56:17.829]                   }
[10:56:17.829]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.829]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:56:17.829]                     cond$call), session = sessionInformation(), 
[10:56:17.829]                     timestamp = base::Sys.time(), signaled = 0L)
[10:56:17.829]                   signalCondition(cond)
[10:56:17.829]                 }
[10:56:17.829]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:56:17.829]                   signal <- FALSE && inherits(cond, character(0))
[10:56:17.829]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.829]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:56:17.829]                   if (FALSE && !signal) {
[10:56:17.829]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.829]                     {
[10:56:17.829]                       inherits <- base::inherits
[10:56:17.829]                       invokeRestart <- base::invokeRestart
[10:56:17.829]                       is.null <- base::is.null
[10:56:17.829]                       muffled <- FALSE
[10:56:17.829]                       if (inherits(cond, "message")) {
[10:56:17.829]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.829]                         if (muffled) 
[10:56:17.829]                           invokeRestart("muffleMessage")
[10:56:17.829]                       }
[10:56:17.829]                       else if (inherits(cond, "warning")) {
[10:56:17.829]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.829]                         if (muffled) 
[10:56:17.829]                           invokeRestart("muffleWarning")
[10:56:17.829]                       }
[10:56:17.829]                       else if (inherits(cond, "condition")) {
[10:56:17.829]                         if (!is.null(pattern)) {
[10:56:17.829]                           computeRestarts <- base::computeRestarts
[10:56:17.829]                           grepl <- base::grepl
[10:56:17.829]                           restarts <- computeRestarts(cond)
[10:56:17.829]                           for (restart in restarts) {
[10:56:17.829]                             name <- restart$name
[10:56:17.829]                             if (is.null(name)) 
[10:56:17.829]                               next
[10:56:17.829]                             if (!grepl(pattern, name)) 
[10:56:17.829]                               next
[10:56:17.829]                             invokeRestart(restart)
[10:56:17.829]                             muffled <- TRUE
[10:56:17.829]                             break
[10:56:17.829]                           }
[10:56:17.829]                         }
[10:56:17.829]                       }
[10:56:17.829]                       invisible(muffled)
[10:56:17.829]                     }
[10:56:17.829]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.829]                   }
[10:56:17.829]                 }
[10:56:17.829]                 else {
[10:56:17.829]                   if (TRUE) {
[10:56:17.829]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.829]                     {
[10:56:17.829]                       inherits <- base::inherits
[10:56:17.829]                       invokeRestart <- base::invokeRestart
[10:56:17.829]                       is.null <- base::is.null
[10:56:17.829]                       muffled <- FALSE
[10:56:17.829]                       if (inherits(cond, "message")) {
[10:56:17.829]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.829]                         if (muffled) 
[10:56:17.829]                           invokeRestart("muffleMessage")
[10:56:17.829]                       }
[10:56:17.829]                       else if (inherits(cond, "warning")) {
[10:56:17.829]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.829]                         if (muffled) 
[10:56:17.829]                           invokeRestart("muffleWarning")
[10:56:17.829]                       }
[10:56:17.829]                       else if (inherits(cond, "condition")) {
[10:56:17.829]                         if (!is.null(pattern)) {
[10:56:17.829]                           computeRestarts <- base::computeRestarts
[10:56:17.829]                           grepl <- base::grepl
[10:56:17.829]                           restarts <- computeRestarts(cond)
[10:56:17.829]                           for (restart in restarts) {
[10:56:17.829]                             name <- restart$name
[10:56:17.829]                             if (is.null(name)) 
[10:56:17.829]                               next
[10:56:17.829]                             if (!grepl(pattern, name)) 
[10:56:17.829]                               next
[10:56:17.829]                             invokeRestart(restart)
[10:56:17.829]                             muffled <- TRUE
[10:56:17.829]                             break
[10:56:17.829]                           }
[10:56:17.829]                         }
[10:56:17.829]                       }
[10:56:17.829]                       invisible(muffled)
[10:56:17.829]                     }
[10:56:17.829]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.829]                   }
[10:56:17.829]                 }
[10:56:17.829]             }
[10:56:17.829]         }))
[10:56:17.829]     }, error = function(ex) {
[10:56:17.829]         base::structure(base::list(value = NULL, visible = NULL, 
[10:56:17.829]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.829]                 ...future.rng), started = ...future.startTime, 
[10:56:17.829]             finished = Sys.time(), session_uuid = NA_character_, 
[10:56:17.829]             version = "1.8"), class = "FutureResult")
[10:56:17.829]     }, finally = {
[10:56:17.829]         if (!identical(...future.workdir, getwd())) 
[10:56:17.829]             setwd(...future.workdir)
[10:56:17.829]         {
[10:56:17.829]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:56:17.829]                 ...future.oldOptions$nwarnings <- NULL
[10:56:17.829]             }
[10:56:17.829]             base::options(...future.oldOptions)
[10:56:17.829]             if (.Platform$OS.type == "windows") {
[10:56:17.829]                 old_names <- names(...future.oldEnvVars)
[10:56:17.829]                 envs <- base::Sys.getenv()
[10:56:17.829]                 names <- names(envs)
[10:56:17.829]                 common <- intersect(names, old_names)
[10:56:17.829]                 added <- setdiff(names, old_names)
[10:56:17.829]                 removed <- setdiff(old_names, names)
[10:56:17.829]                 changed <- common[...future.oldEnvVars[common] != 
[10:56:17.829]                   envs[common]]
[10:56:17.829]                 NAMES <- toupper(changed)
[10:56:17.829]                 args <- list()
[10:56:17.829]                 for (kk in seq_along(NAMES)) {
[10:56:17.829]                   name <- changed[[kk]]
[10:56:17.829]                   NAME <- NAMES[[kk]]
[10:56:17.829]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.829]                     next
[10:56:17.829]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.829]                 }
[10:56:17.829]                 NAMES <- toupper(added)
[10:56:17.829]                 for (kk in seq_along(NAMES)) {
[10:56:17.829]                   name <- added[[kk]]
[10:56:17.829]                   NAME <- NAMES[[kk]]
[10:56:17.829]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.829]                     next
[10:56:17.829]                   args[[name]] <- ""
[10:56:17.829]                 }
[10:56:17.829]                 NAMES <- toupper(removed)
[10:56:17.829]                 for (kk in seq_along(NAMES)) {
[10:56:17.829]                   name <- removed[[kk]]
[10:56:17.829]                   NAME <- NAMES[[kk]]
[10:56:17.829]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.829]                     next
[10:56:17.829]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.829]                 }
[10:56:17.829]                 if (length(args) > 0) 
[10:56:17.829]                   base::do.call(base::Sys.setenv, args = args)
[10:56:17.829]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:56:17.829]             }
[10:56:17.829]             else {
[10:56:17.829]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:56:17.829]             }
[10:56:17.829]             {
[10:56:17.829]                 if (base::length(...future.futureOptionsAdded) > 
[10:56:17.829]                   0L) {
[10:56:17.829]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:56:17.829]                   base::names(opts) <- ...future.futureOptionsAdded
[10:56:17.829]                   base::options(opts)
[10:56:17.829]                 }
[10:56:17.829]                 {
[10:56:17.829]                   NULL
[10:56:17.829]                   options(future.plan = NULL)
[10:56:17.829]                   if (is.na(NA_character_)) 
[10:56:17.829]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.829]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:56:17.829]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:56:17.829]                     .init = FALSE)
[10:56:17.829]                 }
[10:56:17.829]             }
[10:56:17.829]         }
[10:56:17.829]     })
[10:56:17.829]     if (TRUE) {
[10:56:17.829]         base::sink(type = "output", split = FALSE)
[10:56:17.829]         if (TRUE) {
[10:56:17.829]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:56:17.829]         }
[10:56:17.829]         else {
[10:56:17.829]             ...future.result["stdout"] <- base::list(NULL)
[10:56:17.829]         }
[10:56:17.829]         base::close(...future.stdout)
[10:56:17.829]         ...future.stdout <- NULL
[10:56:17.829]     }
[10:56:17.829]     ...future.result$conditions <- ...future.conditions
[10:56:17.829]     ...future.result$finished <- base::Sys.time()
[10:56:17.829]     ...future.result
[10:56:17.829] }
[10:56:17.833] - Launch lazy future ... done
[10:56:17.833] 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'
[10:56:17.838] 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'
[10:56:17.838] Searching for globals...
[10:56:17.841] - globals found: [6] '{', 'x', '<-', '[', '[<-', 'list'
[10:56:17.841] Searching for globals ... DONE
[10:56:17.841] Resolving globals: TRUE
[10:56:17.841] Resolving any globals that are futures ...
[10:56:17.842] - globals: [6] '{', 'x', '<-', '[', '[<-', 'list'
[10:56:17.842] Resolving any globals that are futures ... DONE
[10:56:17.842] Resolving futures part of globals (recursively) ...
[10:56:17.843] resolve() on list ...
[10:56:17.843]  recursive: 99
[10:56:17.843]  length: 1
[10:56:17.843]  elements: 'x'
[10:56:17.843]  length: 0 (resolved future 1)
[10:56:17.843] resolve() on list ... DONE
[10:56:17.843] - globals: [1] 'x'
[10:56:17.844] Resolving futures part of globals (recursively) ... DONE
[10:56:17.844] The total size of the 1 globals is 0 bytes (0 bytes)
[10:56:17.844] 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')
[10:56:17.844] - globals: [1] 'x'
[10:56:17.845] 
[10:56:17.845] getGlobalsAndPackages() ... DONE
[10:56:17.845] run() for 'Future' ...
[10:56:17.845] - state: 'created'
[10:56:17.846] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[10:56:17.849] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[10:56:17.849] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[10:56:17.849]   - Field: 'label'
[10:56:17.850]   - Field: 'local'
[10:56:17.850]   - Field: 'owner'
[10:56:17.850]   - Field: 'envir'
[10:56:17.850]   - Field: 'packages'
[10:56:17.850]   - Field: 'gc'
[10:56:17.850]   - Field: 'conditions'
[10:56:17.851]   - Field: 'expr'
[10:56:17.851]   - Field: 'uuid'
[10:56:17.851]   - Field: 'seed'
[10:56:17.851]   - Field: 'version'
[10:56:17.852]   - Field: 'result'
[10:56:17.852]   - Field: 'asynchronous'
[10:56:17.852]   - Field: 'calls'
[10:56:17.852]   - Field: 'globals'
[10:56:17.852]   - Field: 'stdout'
[10:56:17.852]   - Field: 'earlySignal'
[10:56:17.853]   - Field: 'lazy'
[10:56:17.853]   - Field: 'state'
[10:56:17.853]   - Field: '.cluster'
[10:56:17.853] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[10:56:17.853] - Launch lazy future ...
[10:56:17.853] Packages needed by the future expression (n = 0): <none>
[10:56:17.854] Packages needed by future strategies (n = 0): <none>
[10:56:17.854] {
[10:56:17.854]     {
[10:56:17.854]         {
[10:56:17.854]             ...future.startTime <- base::Sys.time()
[10:56:17.854]             {
[10:56:17.854]                 {
[10:56:17.854]                   {
[10:56:17.854]                     base::local({
[10:56:17.854]                       has_future <- base::requireNamespace("future", 
[10:56:17.854]                         quietly = TRUE)
[10:56:17.854]                       if (has_future) {
[10:56:17.854]                         ns <- base::getNamespace("future")
[10:56:17.854]                         version <- ns[[".package"]][["version"]]
[10:56:17.854]                         if (is.null(version)) 
[10:56:17.854]                           version <- utils::packageVersion("future")
[10:56:17.854]                       }
[10:56:17.854]                       else {
[10:56:17.854]                         version <- NULL
[10:56:17.854]                       }
[10:56:17.854]                       if (!has_future || version < "1.8.0") {
[10:56:17.854]                         info <- base::c(r_version = base::gsub("R version ", 
[10:56:17.854]                           "", base::R.version$version.string), 
[10:56:17.854]                           platform = base::sprintf("%s (%s-bit)", 
[10:56:17.854]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:56:17.854]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:56:17.854]                             "release", "version")], collapse = " "), 
[10:56:17.854]                           hostname = base::Sys.info()[["nodename"]])
[10:56:17.854]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:56:17.854]                           info)
[10:56:17.854]                         info <- base::paste(info, collapse = "; ")
[10:56:17.854]                         if (!has_future) {
[10:56:17.854]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:56:17.854]                             info)
[10:56:17.854]                         }
[10:56:17.854]                         else {
[10:56:17.854]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:56:17.854]                             info, version)
[10:56:17.854]                         }
[10:56:17.854]                         base::stop(msg)
[10:56:17.854]                       }
[10:56:17.854]                     })
[10:56:17.854]                   }
[10:56:17.854]                   ...future.strategy.old <- future::plan("list")
[10:56:17.854]                   options(future.plan = NULL)
[10:56:17.854]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.854]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:56:17.854]                 }
[10:56:17.854]                 ...future.workdir <- getwd()
[10:56:17.854]             }
[10:56:17.854]             ...future.oldOptions <- base::as.list(base::.Options)
[10:56:17.854]             ...future.oldEnvVars <- base::Sys.getenv()
[10:56:17.854]         }
[10:56:17.854]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[10:56:17.854]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:56:17.854]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[10:56:17.854]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[10:56:17.854]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:56:17.854]             future.stdout.windows.reencode = NULL, width = 80L)
[10:56:17.854]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:56:17.854]             base::names(...future.oldOptions))
[10:56:17.854]     }
[10:56:17.854]     if (FALSE) {
[10:56:17.854]     }
[10:56:17.854]     else {
[10:56:17.854]         if (TRUE) {
[10:56:17.854]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:56:17.854]                 open = "w")
[10:56:17.854]         }
[10:56:17.854]         else {
[10:56:17.854]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:56:17.854]                 windows = "NUL", "/dev/null"), open = "w")
[10:56:17.854]         }
[10:56:17.854]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:56:17.854]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:56:17.854]             base::sink(type = "output", split = FALSE)
[10:56:17.854]             base::close(...future.stdout)
[10:56:17.854]         }, add = TRUE)
[10:56:17.854]     }
[10:56:17.854]     ...future.frame <- base::sys.nframe()
[10:56:17.854]     ...future.conditions <- base::list()
[10:56:17.854]     ...future.rng <- base::globalenv()$.Random.seed
[10:56:17.854]     if (FALSE) {
[10:56:17.854]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:56:17.854]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:56:17.854]     }
[10:56:17.854]     ...future.result <- base::tryCatch({
[10:56:17.854]         base::withCallingHandlers({
[10:56:17.854]             ...future.value <- base::withVisible(base::local({
[10:56:17.854]                 x["a"] <- list(1)
[10:56:17.854]                 x
[10:56:17.854]             }))
[10:56:17.854]             future::FutureResult(value = ...future.value$value, 
[10:56:17.854]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.854]                   ...future.rng), globalenv = if (FALSE) 
[10:56:17.854]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:56:17.854]                     ...future.globalenv.names))
[10:56:17.854]                 else NULL, started = ...future.startTime, version = "1.8")
[10:56:17.854]         }, condition = base::local({
[10:56:17.854]             c <- base::c
[10:56:17.854]             inherits <- base::inherits
[10:56:17.854]             invokeRestart <- base::invokeRestart
[10:56:17.854]             length <- base::length
[10:56:17.854]             list <- base::list
[10:56:17.854]             seq.int <- base::seq.int
[10:56:17.854]             signalCondition <- base::signalCondition
[10:56:17.854]             sys.calls <- base::sys.calls
[10:56:17.854]             `[[` <- base::`[[`
[10:56:17.854]             `+` <- base::`+`
[10:56:17.854]             `<<-` <- base::`<<-`
[10:56:17.854]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:56:17.854]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:56:17.854]                   3L)]
[10:56:17.854]             }
[10:56:17.854]             function(cond) {
[10:56:17.854]                 is_error <- inherits(cond, "error")
[10:56:17.854]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:56:17.854]                   NULL)
[10:56:17.854]                 if (is_error) {
[10:56:17.854]                   sessionInformation <- function() {
[10:56:17.854]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:56:17.854]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:56:17.854]                       search = base::search(), system = base::Sys.info())
[10:56:17.854]                   }
[10:56:17.854]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.854]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:56:17.854]                     cond$call), session = sessionInformation(), 
[10:56:17.854]                     timestamp = base::Sys.time(), signaled = 0L)
[10:56:17.854]                   signalCondition(cond)
[10:56:17.854]                 }
[10:56:17.854]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:56:17.854]                   signal <- FALSE && inherits(cond, character(0))
[10:56:17.854]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.854]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:56:17.854]                   if (FALSE && !signal) {
[10:56:17.854]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.854]                     {
[10:56:17.854]                       inherits <- base::inherits
[10:56:17.854]                       invokeRestart <- base::invokeRestart
[10:56:17.854]                       is.null <- base::is.null
[10:56:17.854]                       muffled <- FALSE
[10:56:17.854]                       if (inherits(cond, "message")) {
[10:56:17.854]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.854]                         if (muffled) 
[10:56:17.854]                           invokeRestart("muffleMessage")
[10:56:17.854]                       }
[10:56:17.854]                       else if (inherits(cond, "warning")) {
[10:56:17.854]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.854]                         if (muffled) 
[10:56:17.854]                           invokeRestart("muffleWarning")
[10:56:17.854]                       }
[10:56:17.854]                       else if (inherits(cond, "condition")) {
[10:56:17.854]                         if (!is.null(pattern)) {
[10:56:17.854]                           computeRestarts <- base::computeRestarts
[10:56:17.854]                           grepl <- base::grepl
[10:56:17.854]                           restarts <- computeRestarts(cond)
[10:56:17.854]                           for (restart in restarts) {
[10:56:17.854]                             name <- restart$name
[10:56:17.854]                             if (is.null(name)) 
[10:56:17.854]                               next
[10:56:17.854]                             if (!grepl(pattern, name)) 
[10:56:17.854]                               next
[10:56:17.854]                             invokeRestart(restart)
[10:56:17.854]                             muffled <- TRUE
[10:56:17.854]                             break
[10:56:17.854]                           }
[10:56:17.854]                         }
[10:56:17.854]                       }
[10:56:17.854]                       invisible(muffled)
[10:56:17.854]                     }
[10:56:17.854]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.854]                   }
[10:56:17.854]                 }
[10:56:17.854]                 else {
[10:56:17.854]                   if (TRUE) {
[10:56:17.854]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.854]                     {
[10:56:17.854]                       inherits <- base::inherits
[10:56:17.854]                       invokeRestart <- base::invokeRestart
[10:56:17.854]                       is.null <- base::is.null
[10:56:17.854]                       muffled <- FALSE
[10:56:17.854]                       if (inherits(cond, "message")) {
[10:56:17.854]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.854]                         if (muffled) 
[10:56:17.854]                           invokeRestart("muffleMessage")
[10:56:17.854]                       }
[10:56:17.854]                       else if (inherits(cond, "warning")) {
[10:56:17.854]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.854]                         if (muffled) 
[10:56:17.854]                           invokeRestart("muffleWarning")
[10:56:17.854]                       }
[10:56:17.854]                       else if (inherits(cond, "condition")) {
[10:56:17.854]                         if (!is.null(pattern)) {
[10:56:17.854]                           computeRestarts <- base::computeRestarts
[10:56:17.854]                           grepl <- base::grepl
[10:56:17.854]                           restarts <- computeRestarts(cond)
[10:56:17.854]                           for (restart in restarts) {
[10:56:17.854]                             name <- restart$name
[10:56:17.854]                             if (is.null(name)) 
[10:56:17.854]                               next
[10:56:17.854]                             if (!grepl(pattern, name)) 
[10:56:17.854]                               next
[10:56:17.854]                             invokeRestart(restart)
[10:56:17.854]                             muffled <- TRUE
[10:56:17.854]                             break
[10:56:17.854]                           }
[10:56:17.854]                         }
[10:56:17.854]                       }
[10:56:17.854]                       invisible(muffled)
[10:56:17.854]                     }
[10:56:17.854]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.854]                   }
[10:56:17.854]                 }
[10:56:17.854]             }
[10:56:17.854]         }))
[10:56:17.854]     }, error = function(ex) {
[10:56:17.854]         base::structure(base::list(value = NULL, visible = NULL, 
[10:56:17.854]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.854]                 ...future.rng), started = ...future.startTime, 
[10:56:17.854]             finished = Sys.time(), session_uuid = NA_character_, 
[10:56:17.854]             version = "1.8"), class = "FutureResult")
[10:56:17.854]     }, finally = {
[10:56:17.854]         if (!identical(...future.workdir, getwd())) 
[10:56:17.854]             setwd(...future.workdir)
[10:56:17.854]         {
[10:56:17.854]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:56:17.854]                 ...future.oldOptions$nwarnings <- NULL
[10:56:17.854]             }
[10:56:17.854]             base::options(...future.oldOptions)
[10:56:17.854]             if (.Platform$OS.type == "windows") {
[10:56:17.854]                 old_names <- names(...future.oldEnvVars)
[10:56:17.854]                 envs <- base::Sys.getenv()
[10:56:17.854]                 names <- names(envs)
[10:56:17.854]                 common <- intersect(names, old_names)
[10:56:17.854]                 added <- setdiff(names, old_names)
[10:56:17.854]                 removed <- setdiff(old_names, names)
[10:56:17.854]                 changed <- common[...future.oldEnvVars[common] != 
[10:56:17.854]                   envs[common]]
[10:56:17.854]                 NAMES <- toupper(changed)
[10:56:17.854]                 args <- list()
[10:56:17.854]                 for (kk in seq_along(NAMES)) {
[10:56:17.854]                   name <- changed[[kk]]
[10:56:17.854]                   NAME <- NAMES[[kk]]
[10:56:17.854]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.854]                     next
[10:56:17.854]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.854]                 }
[10:56:17.854]                 NAMES <- toupper(added)
[10:56:17.854]                 for (kk in seq_along(NAMES)) {
[10:56:17.854]                   name <- added[[kk]]
[10:56:17.854]                   NAME <- NAMES[[kk]]
[10:56:17.854]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.854]                     next
[10:56:17.854]                   args[[name]] <- ""
[10:56:17.854]                 }
[10:56:17.854]                 NAMES <- toupper(removed)
[10:56:17.854]                 for (kk in seq_along(NAMES)) {
[10:56:17.854]                   name <- removed[[kk]]
[10:56:17.854]                   NAME <- NAMES[[kk]]
[10:56:17.854]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.854]                     next
[10:56:17.854]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.854]                 }
[10:56:17.854]                 if (length(args) > 0) 
[10:56:17.854]                   base::do.call(base::Sys.setenv, args = args)
[10:56:17.854]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:56:17.854]             }
[10:56:17.854]             else {
[10:56:17.854]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:56:17.854]             }
[10:56:17.854]             {
[10:56:17.854]                 if (base::length(...future.futureOptionsAdded) > 
[10:56:17.854]                   0L) {
[10:56:17.854]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:56:17.854]                   base::names(opts) <- ...future.futureOptionsAdded
[10:56:17.854]                   base::options(opts)
[10:56:17.854]                 }
[10:56:17.854]                 {
[10:56:17.854]                   NULL
[10:56:17.854]                   options(future.plan = NULL)
[10:56:17.854]                   if (is.na(NA_character_)) 
[10:56:17.854]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.854]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:56:17.854]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:56:17.854]                     .init = FALSE)
[10:56:17.854]                 }
[10:56:17.854]             }
[10:56:17.854]         }
[10:56:17.854]     })
[10:56:17.854]     if (TRUE) {
[10:56:17.854]         base::sink(type = "output", split = FALSE)
[10:56:17.854]         if (TRUE) {
[10:56:17.854]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:56:17.854]         }
[10:56:17.854]         else {
[10:56:17.854]             ...future.result["stdout"] <- base::list(NULL)
[10:56:17.854]         }
[10:56:17.854]         base::close(...future.stdout)
[10:56:17.854]         ...future.stdout <- NULL
[10:56:17.854]     }
[10:56:17.854]     ...future.result$conditions <- ...future.conditions
[10:56:17.854]     ...future.result$finished <- base::Sys.time()
[10:56:17.854]     ...future.result
[10:56:17.854] }
[10:56:17.858] - Launch lazy future ... done
[10:56:17.858] 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'
[10:56:17.860] 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'
[10:56:17.861] Searching for globals...
[10:56:17.863] - globals found: [7] '{', 'x', '<-', '[', 'name', '[<-', 'list'
[10:56:17.864] Searching for globals ... DONE
[10:56:17.864] Resolving globals: TRUE
[10:56:17.864] Resolving any globals that are futures ...
[10:56:17.864] - globals: [7] '{', 'x', '<-', '[', 'name', '[<-', 'list'
[10:56:17.864] Resolving any globals that are futures ... DONE
[10:56:17.865] Resolving futures part of globals (recursively) ...
[10:56:17.865] resolve() on list ...
[10:56:17.865]  recursive: 99
[10:56:17.865]  length: 2
[10:56:17.866]  elements: 'x', 'name'
[10:56:17.866]  length: 1 (resolved future 1)
[10:56:17.866]  length: 0 (resolved future 2)
[10:56:17.866] resolve() on list ... DONE
[10:56:17.866] - globals: [2] 'x', 'name'
[10:56:17.866] Resolving futures part of globals (recursively) ... DONE
[10:56:17.867] The total size of the 2 globals is 112 bytes (112 bytes)
[10:56:17.867] 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')
[10:56:17.867] - globals: [2] 'x', 'name'
[10:56:17.868] 
[10:56:17.868] getGlobalsAndPackages() ... DONE
[10:56:17.868] run() for 'Future' ...
[10:56:17.868] - state: 'created'
[10:56:17.868] - Future backend: 'FutureStrategy', 'mirai_multisession', 'mirai_cluster', 'mirai', 'multiprocess', 'future', 'function'
[10:56:17.871] - Future class: 'MiraiFuture', 'MultiprocessFuture', 'Future', 'environment'
[10:56:17.871] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ...
[10:56:17.871]   - Field: 'label'
[10:56:17.871]   - Field: 'local'
[10:56:17.871]   - Field: 'owner'
[10:56:17.872]   - Field: 'envir'
[10:56:17.872]   - Field: 'packages'
[10:56:17.872]   - Field: 'gc'
[10:56:17.872]   - Field: 'conditions'
[10:56:17.872]   - Field: 'expr'
[10:56:17.872]   - Field: 'uuid'
[10:56:17.873]   - Field: 'seed'
[10:56:17.873]   - Field: 'version'
[10:56:17.873]   - Field: 'result'
[10:56:17.873]   - Field: 'asynchronous'
[10:56:17.873]   - Field: 'calls'
[10:56:17.873]   - Field: 'globals'
[10:56:17.874]   - Field: 'stdout'
[10:56:17.874]   - Field: 'earlySignal'
[10:56:17.874]   - Field: 'lazy'
[10:56:17.874]   - Field: 'state'
[10:56:17.874]   - Field: '.cluster'
[10:56:17.875] - Copy elements of temporary 'MiraiFuture' to final 'Future' object ... done
[10:56:17.875] - Launch lazy future ...
[10:56:17.875] Packages needed by the future expression (n = 0): <none>
[10:56:17.875] Packages needed by future strategies (n = 0): <none>
[10:56:17.876] {
[10:56:17.876]     {
[10:56:17.876]         {
[10:56:17.876]             ...future.startTime <- base::Sys.time()
[10:56:17.876]             {
[10:56:17.876]                 {
[10:56:17.876]                   {
[10:56:17.876]                     base::local({
[10:56:17.876]                       has_future <- base::requireNamespace("future", 
[10:56:17.876]                         quietly = TRUE)
[10:56:17.876]                       if (has_future) {
[10:56:17.876]                         ns <- base::getNamespace("future")
[10:56:17.876]                         version <- ns[[".package"]][["version"]]
[10:56:17.876]                         if (is.null(version)) 
[10:56:17.876]                           version <- utils::packageVersion("future")
[10:56:17.876]                       }
[10:56:17.876]                       else {
[10:56:17.876]                         version <- NULL
[10:56:17.876]                       }
[10:56:17.876]                       if (!has_future || version < "1.8.0") {
[10:56:17.876]                         info <- base::c(r_version = base::gsub("R version ", 
[10:56:17.876]                           "", base::R.version$version.string), 
[10:56:17.876]                           platform = base::sprintf("%s (%s-bit)", 
[10:56:17.876]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[10:56:17.876]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[10:56:17.876]                             "release", "version")], collapse = " "), 
[10:56:17.876]                           hostname = base::Sys.info()[["nodename"]])
[10:56:17.876]                         info <- base::sprintf("%s: %s", base::names(info), 
[10:56:17.876]                           info)
[10:56:17.876]                         info <- base::paste(info, collapse = "; ")
[10:56:17.876]                         if (!has_future) {
[10:56:17.876]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[10:56:17.876]                             info)
[10:56:17.876]                         }
[10:56:17.876]                         else {
[10:56:17.876]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[10:56:17.876]                             info, version)
[10:56:17.876]                         }
[10:56:17.876]                         base::stop(msg)
[10:56:17.876]                       }
[10:56:17.876]                     })
[10:56:17.876]                   }
[10:56:17.876]                   ...future.strategy.old <- future::plan("list")
[10:56:17.876]                   options(future.plan = NULL)
[10:56:17.876]                   Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.876]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[10:56:17.876]                 }
[10:56:17.876]                 ...future.workdir <- getwd()
[10:56:17.876]             }
[10:56:17.876]             ...future.oldOptions <- base::as.list(base::.Options)
[10:56:17.876]             ...future.oldEnvVars <- base::Sys.getenv()
[10:56:17.876]         }
[10:56:17.876]         base::options(future.startup.script = FALSE, future.globals.onMissing = "error", 
[10:56:17.876]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[10:56:17.876]             future.globals.onMissing = "error", future.globals.onReference = NULL, 
[10:56:17.876]             future.globals.resolve = TRUE, future.resolve.recursive = NULL, 
[10:56:17.876]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[10:56:17.876]             future.stdout.windows.reencode = NULL, width = 80L)
[10:56:17.876]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[10:56:17.876]             base::names(...future.oldOptions))
[10:56:17.876]     }
[10:56:17.876]     if (FALSE) {
[10:56:17.876]     }
[10:56:17.876]     else {
[10:56:17.876]         if (TRUE) {
[10:56:17.876]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[10:56:17.876]                 open = "w")
[10:56:17.876]         }
[10:56:17.876]         else {
[10:56:17.876]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[10:56:17.876]                 windows = "NUL", "/dev/null"), open = "w")
[10:56:17.876]         }
[10:56:17.876]         base::sink(...future.stdout, type = "output", split = FALSE)
[10:56:17.876]         base::on.exit(if (!base::is.null(...future.stdout)) {
[10:56:17.876]             base::sink(type = "output", split = FALSE)
[10:56:17.876]             base::close(...future.stdout)
[10:56:17.876]         }, add = TRUE)
[10:56:17.876]     }
[10:56:17.876]     ...future.frame <- base::sys.nframe()
[10:56:17.876]     ...future.conditions <- base::list()
[10:56:17.876]     ...future.rng <- base::globalenv()$.Random.seed
[10:56:17.876]     if (FALSE) {
[10:56:17.876]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[10:56:17.876]             "...future.value", "...future.globalenv.names", ".Random.seed")
[10:56:17.876]     }
[10:56:17.876]     ...future.result <- base::tryCatch({
[10:56:17.876]         base::withCallingHandlers({
[10:56:17.876]             ...future.value <- base::withVisible(base::local({
[10:56:17.876]                 x[name] <- list(1)
[10:56:17.876]                 x
[10:56:17.876]             }))
[10:56:17.876]             future::FutureResult(value = ...future.value$value, 
[10:56:17.876]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.876]                   ...future.rng), globalenv = if (FALSE) 
[10:56:17.876]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[10:56:17.876]                     ...future.globalenv.names))
[10:56:17.876]                 else NULL, started = ...future.startTime, version = "1.8")
[10:56:17.876]         }, condition = base::local({
[10:56:17.876]             c <- base::c
[10:56:17.876]             inherits <- base::inherits
[10:56:17.876]             invokeRestart <- base::invokeRestart
[10:56:17.876]             length <- base::length
[10:56:17.876]             list <- base::list
[10:56:17.876]             seq.int <- base::seq.int
[10:56:17.876]             signalCondition <- base::signalCondition
[10:56:17.876]             sys.calls <- base::sys.calls
[10:56:17.876]             `[[` <- base::`[[`
[10:56:17.876]             `+` <- base::`+`
[10:56:17.876]             `<<-` <- base::`<<-`
[10:56:17.876]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[10:56:17.876]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[10:56:17.876]                   3L)]
[10:56:17.876]             }
[10:56:17.876]             function(cond) {
[10:56:17.876]                 is_error <- inherits(cond, "error")
[10:56:17.876]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[10:56:17.876]                   NULL)
[10:56:17.876]                 if (is_error) {
[10:56:17.876]                   sessionInformation <- function() {
[10:56:17.876]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[10:56:17.876]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[10:56:17.876]                       search = base::search(), system = base::Sys.info())
[10:56:17.876]                   }
[10:56:17.876]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.876]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[10:56:17.876]                     cond$call), session = sessionInformation(), 
[10:56:17.876]                     timestamp = base::Sys.time(), signaled = 0L)
[10:56:17.876]                   signalCondition(cond)
[10:56:17.876]                 }
[10:56:17.876]                 else if (!ignore && TRUE && inherits(cond, "condition")) {
[10:56:17.876]                   signal <- FALSE && inherits(cond, character(0))
[10:56:17.876]                   ...future.conditions[[length(...future.conditions) + 
[10:56:17.876]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[10:56:17.876]                   if (FALSE && !signal) {
[10:56:17.876]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.876]                     {
[10:56:17.876]                       inherits <- base::inherits
[10:56:17.876]                       invokeRestart <- base::invokeRestart
[10:56:17.876]                       is.null <- base::is.null
[10:56:17.876]                       muffled <- FALSE
[10:56:17.876]                       if (inherits(cond, "message")) {
[10:56:17.876]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.876]                         if (muffled) 
[10:56:17.876]                           invokeRestart("muffleMessage")
[10:56:17.876]                       }
[10:56:17.876]                       else if (inherits(cond, "warning")) {
[10:56:17.876]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.876]                         if (muffled) 
[10:56:17.876]                           invokeRestart("muffleWarning")
[10:56:17.876]                       }
[10:56:17.876]                       else if (inherits(cond, "condition")) {
[10:56:17.876]                         if (!is.null(pattern)) {
[10:56:17.876]                           computeRestarts <- base::computeRestarts
[10:56:17.876]                           grepl <- base::grepl
[10:56:17.876]                           restarts <- computeRestarts(cond)
[10:56:17.876]                           for (restart in restarts) {
[10:56:17.876]                             name <- restart$name
[10:56:17.876]                             if (is.null(name)) 
[10:56:17.876]                               next
[10:56:17.876]                             if (!grepl(pattern, name)) 
[10:56:17.876]                               next
[10:56:17.876]                             invokeRestart(restart)
[10:56:17.876]                             muffled <- TRUE
[10:56:17.876]                             break
[10:56:17.876]                           }
[10:56:17.876]                         }
[10:56:17.876]                       }
[10:56:17.876]                       invisible(muffled)
[10:56:17.876]                     }
[10:56:17.876]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.876]                   }
[10:56:17.876]                 }
[10:56:17.876]                 else {
[10:56:17.876]                   if (TRUE) {
[10:56:17.876]                     muffleCondition <- function (cond, pattern = "^muffle") 
[10:56:17.876]                     {
[10:56:17.876]                       inherits <- base::inherits
[10:56:17.876]                       invokeRestart <- base::invokeRestart
[10:56:17.876]                       is.null <- base::is.null
[10:56:17.876]                       muffled <- FALSE
[10:56:17.876]                       if (inherits(cond, "message")) {
[10:56:17.876]                         muffled <- grepl(pattern, "muffleMessage")
[10:56:17.876]                         if (muffled) 
[10:56:17.876]                           invokeRestart("muffleMessage")
[10:56:17.876]                       }
[10:56:17.876]                       else if (inherits(cond, "warning")) {
[10:56:17.876]                         muffled <- grepl(pattern, "muffleWarning")
[10:56:17.876]                         if (muffled) 
[10:56:17.876]                           invokeRestart("muffleWarning")
[10:56:17.876]                       }
[10:56:17.876]                       else if (inherits(cond, "condition")) {
[10:56:17.876]                         if (!is.null(pattern)) {
[10:56:17.876]                           computeRestarts <- base::computeRestarts
[10:56:17.876]                           grepl <- base::grepl
[10:56:17.876]                           restarts <- computeRestarts(cond)
[10:56:17.876]                           for (restart in restarts) {
[10:56:17.876]                             name <- restart$name
[10:56:17.876]                             if (is.null(name)) 
[10:56:17.876]                               next
[10:56:17.876]                             if (!grepl(pattern, name)) 
[10:56:17.876]                               next
[10:56:17.876]                             invokeRestart(restart)
[10:56:17.876]                             muffled <- TRUE
[10:56:17.876]                             break
[10:56:17.876]                           }
[10:56:17.876]                         }
[10:56:17.876]                       }
[10:56:17.876]                       invisible(muffled)
[10:56:17.876]                     }
[10:56:17.876]                     muffleCondition(cond, pattern = "^muffle")
[10:56:17.876]                   }
[10:56:17.876]                 }
[10:56:17.876]             }
[10:56:17.876]         }))
[10:56:17.876]     }, error = function(ex) {
[10:56:17.876]         base::structure(base::list(value = NULL, visible = NULL, 
[10:56:17.876]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[10:56:17.876]                 ...future.rng), started = ...future.startTime, 
[10:56:17.876]             finished = Sys.time(), session_uuid = NA_character_, 
[10:56:17.876]             version = "1.8"), class = "FutureResult")
[10:56:17.876]     }, finally = {
[10:56:17.876]         if (!identical(...future.workdir, getwd())) 
[10:56:17.876]             setwd(...future.workdir)
[10:56:17.876]         {
[10:56:17.876]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[10:56:17.876]                 ...future.oldOptions$nwarnings <- NULL
[10:56:17.876]             }
[10:56:17.876]             base::options(...future.oldOptions)
[10:56:17.876]             if (.Platform$OS.type == "windows") {
[10:56:17.876]                 old_names <- names(...future.oldEnvVars)
[10:56:17.876]                 envs <- base::Sys.getenv()
[10:56:17.876]                 names <- names(envs)
[10:56:17.876]                 common <- intersect(names, old_names)
[10:56:17.876]                 added <- setdiff(names, old_names)
[10:56:17.876]                 removed <- setdiff(old_names, names)
[10:56:17.876]                 changed <- common[...future.oldEnvVars[common] != 
[10:56:17.876]                   envs[common]]
[10:56:17.876]                 NAMES <- toupper(changed)
[10:56:17.876]                 args <- list()
[10:56:17.876]                 for (kk in seq_along(NAMES)) {
[10:56:17.876]                   name <- changed[[kk]]
[10:56:17.876]                   NAME <- NAMES[[kk]]
[10:56:17.876]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.876]                     next
[10:56:17.876]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.876]                 }
[10:56:17.876]                 NAMES <- toupper(added)
[10:56:17.876]                 for (kk in seq_along(NAMES)) {
[10:56:17.876]                   name <- added[[kk]]
[10:56:17.876]                   NAME <- NAMES[[kk]]
[10:56:17.876]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.876]                     next
[10:56:17.876]                   args[[name]] <- ""
[10:56:17.876]                 }
[10:56:17.876]                 NAMES <- toupper(removed)
[10:56:17.876]                 for (kk in seq_along(NAMES)) {
[10:56:17.876]                   name <- removed[[kk]]
[10:56:17.876]                   NAME <- NAMES[[kk]]
[10:56:17.876]                   if (name != NAME && is.element(NAME, old_names)) 
[10:56:17.876]                     next
[10:56:17.876]                   args[[name]] <- ...future.oldEnvVars[[name]]
[10:56:17.876]                 }
[10:56:17.876]                 if (length(args) > 0) 
[10:56:17.876]                   base::do.call(base::Sys.setenv, args = args)
[10:56:17.876]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[10:56:17.876]             }
[10:56:17.876]             else {
[10:56:17.876]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[10:56:17.876]             }
[10:56:17.876]             {
[10:56:17.876]                 if (base::length(...future.futureOptionsAdded) > 
[10:56:17.876]                   0L) {
[10:56:17.876]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[10:56:17.876]                   base::names(opts) <- ...future.futureOptionsAdded
[10:56:17.876]                   base::options(opts)
[10:56:17.876]                 }
[10:56:17.876]                 {
[10:56:17.876]                   NULL
[10:56:17.876]                   options(future.plan = NULL)
[10:56:17.876]                   if (is.na(NA_character_)) 
[10:56:17.876]                     Sys.unsetenv("R_FUTURE_PLAN")
[10:56:17.876]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[10:56:17.876]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[10:56:17.876]                     .init = FALSE)
[10:56:17.876]                 }
[10:56:17.876]             }
[10:56:17.876]         }
[10:56:17.876]     })
[10:56:17.876]     if (TRUE) {
[10:56:17.876]         base::sink(type = "output", split = FALSE)
[10:56:17.876]         if (TRUE) {
[10:56:17.876]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[10:56:17.876]         }
[10:56:17.876]         else {
[10:56:17.876]             ...future.result["stdout"] <- base::list(NULL)
[10:56:17.876]         }
[10:56:17.876]         base::close(...future.stdout)
[10:56:17.876]         ...future.stdout <- NULL
[10:56:17.876]     }
[10:56:17.876]     ...future.result$conditions <- ...future.conditions
[10:56:17.876]     ...future.result$finished <- base::Sys.time()
[10:56:17.876]     ...future.result
[10:56:17.876] }
[10:56:17.879] - Launch lazy future ... done
[10:56:17.880] 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 
   0.45    0.10    1.07