R Under development (unstable) (2023-06-30 r84625 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> source("incl/start.R")
[18:00:58.044] plan(): Setting new future strategy stack:
[18:00:58.045] List of future strategies:
[18:00:58.045] 1. sequential:
[18:00:58.045]    - args: function (..., envir = parent.frame())
[18:00:58.045]    - tweaked: FALSE
[18:00:58.045]    - call: future::plan("sequential")
[18:00:58.061] plan(): nbrOfWorkers() = 1
> 
> message("*** backtrace( ) ...")
*** backtrace( ) ...
> 
> message("*** backtrace( ) - explicit future ...")
*** backtrace( ) - explicit future ...
> 
> f <- future({ 42L; stop("Woops") })
[18:00:58.069] getGlobalsAndPackages() ...
[18:00:58.069] Searching for globals...
[18:00:58.077] - globals found: [2] '{', 'stop'
[18:00:58.077] Searching for globals ... DONE
[18:00:58.077] Resolving globals: FALSE
[18:00:58.078] 
[18:00:58.078] 
[18:00:58.078] getGlobalsAndPackages() ... DONE
[18:00:58.079] run() for 'Future' ...
[18:00:58.079] - state: 'created'
[18:00:58.080] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:00:58.080] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:00:58.080] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:00:58.080]   - Field: 'label'
[18:00:58.081]   - Field: 'local'
[18:00:58.081]   - Field: 'owner'
[18:00:58.081]   - Field: 'envir'
[18:00:58.081]   - Field: 'packages'
[18:00:58.081]   - Field: 'gc'
[18:00:58.082]   - Field: 'conditions'
[18:00:58.082]   - Field: 'expr'
[18:00:58.082]   - Field: 'uuid'
[18:00:58.082]   - Field: 'seed'
[18:00:58.082]   - Field: 'version'
[18:00:58.082]   - Field: 'result'
[18:00:58.083]   - Field: 'asynchronous'
[18:00:58.083]   - Field: 'calls'
[18:00:58.083]   - Field: 'globals'
[18:00:58.083]   - Field: 'stdout'
[18:00:58.083]   - Field: 'earlySignal'
[18:00:58.084]   - Field: 'lazy'
[18:00:58.084]   - Field: 'state'
[18:00:58.084] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:00:58.084] - Launch lazy future ...
[18:00:58.085] Packages needed by the future expression (n = 0): <none>
[18:00:58.085] Packages needed by future strategies (n = 0): <none>
[18:00:58.086] {
[18:00:58.086]     {
[18:00:58.086]         {
[18:00:58.086]             ...future.startTime <- base::Sys.time()
[18:00:58.086]             {
[18:00:58.086]                 {
[18:00:58.086]                   {
[18:00:58.086]                     base::local({
[18:00:58.086]                       has_future <- base::requireNamespace("future", 
[18:00:58.086]                         quietly = TRUE)
[18:00:58.086]                       if (has_future) {
[18:00:58.086]                         ns <- base::getNamespace("future")
[18:00:58.086]                         version <- ns[[".package"]][["version"]]
[18:00:58.086]                         if (is.null(version)) 
[18:00:58.086]                           version <- utils::packageVersion("future")
[18:00:58.086]                       }
[18:00:58.086]                       else {
[18:00:58.086]                         version <- NULL
[18:00:58.086]                       }
[18:00:58.086]                       if (!has_future || version < "1.8.0") {
[18:00:58.086]                         info <- base::c(r_version = base::gsub("R version ", 
[18:00:58.086]                           "", base::R.version$version.string), 
[18:00:58.086]                           platform = base::sprintf("%s (%s-bit)", 
[18:00:58.086]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:00:58.086]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:00:58.086]                             "release", "version")], collapse = " "), 
[18:00:58.086]                           hostname = base::Sys.info()[["nodename"]])
[18:00:58.086]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:00:58.086]                           info)
[18:00:58.086]                         info <- base::paste(info, collapse = "; ")
[18:00:58.086]                         if (!has_future) {
[18:00:58.086]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:00:58.086]                             info)
[18:00:58.086]                         }
[18:00:58.086]                         else {
[18:00:58.086]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:00:58.086]                             info, version)
[18:00:58.086]                         }
[18:00:58.086]                         base::stop(msg)
[18:00:58.086]                       }
[18:00:58.086]                     })
[18:00:58.086]                   }
[18:00:58.086]                   options(future.plan = NULL)
[18:00:58.086]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.086]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:00:58.086]                 }
[18:00:58.086]                 ...future.workdir <- getwd()
[18:00:58.086]             }
[18:00:58.086]             ...future.oldOptions <- base::as.list(base::.Options)
[18:00:58.086]             ...future.oldEnvVars <- base::Sys.getenv()
[18:00:58.086]         }
[18:00:58.086]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:00:58.086]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:00:58.086]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:00:58.086]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:00:58.086]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:00:58.086]             future.stdout.windows.reencode = NULL, width = 80L)
[18:00:58.086]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:00:58.086]             base::names(...future.oldOptions))
[18:00:58.086]     }
[18:00:58.086]     if (FALSE) {
[18:00:58.086]     }
[18:00:58.086]     else {
[18:00:58.086]         if (TRUE) {
[18:00:58.086]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:00:58.086]                 open = "w")
[18:00:58.086]         }
[18:00:58.086]         else {
[18:00:58.086]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:00:58.086]                 windows = "NUL", "/dev/null"), open = "w")
[18:00:58.086]         }
[18:00:58.086]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:00:58.086]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:00:58.086]             base::sink(type = "output", split = FALSE)
[18:00:58.086]             base::close(...future.stdout)
[18:00:58.086]         }, add = TRUE)
[18:00:58.086]     }
[18:00:58.086]     ...future.frame <- base::sys.nframe()
[18:00:58.086]     ...future.conditions <- base::list()
[18:00:58.086]     ...future.rng <- base::globalenv()$.Random.seed
[18:00:58.086]     if (FALSE) {
[18:00:58.086]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:00:58.086]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:00:58.086]     }
[18:00:58.086]     ...future.result <- base::tryCatch({
[18:00:58.086]         base::withCallingHandlers({
[18:00:58.086]             ...future.value <- base::withVisible(base::local({
[18:00:58.086]                 42L
[18:00:58.086]                 stop("Woops")
[18:00:58.086]             }))
[18:00:58.086]             future::FutureResult(value = ...future.value$value, 
[18:00:58.086]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.086]                   ...future.rng), globalenv = if (FALSE) 
[18:00:58.086]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:00:58.086]                     ...future.globalenv.names))
[18:00:58.086]                 else NULL, started = ...future.startTime, version = "1.8")
[18:00:58.086]         }, condition = base::local({
[18:00:58.086]             c <- base::c
[18:00:58.086]             inherits <- base::inherits
[18:00:58.086]             invokeRestart <- base::invokeRestart
[18:00:58.086]             length <- base::length
[18:00:58.086]             list <- base::list
[18:00:58.086]             seq.int <- base::seq.int
[18:00:58.086]             signalCondition <- base::signalCondition
[18:00:58.086]             sys.calls <- base::sys.calls
[18:00:58.086]             `[[` <- base::`[[`
[18:00:58.086]             `+` <- base::`+`
[18:00:58.086]             `<<-` <- base::`<<-`
[18:00:58.086]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:00:58.086]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:00:58.086]                   3L)]
[18:00:58.086]             }
[18:00:58.086]             function(cond) {
[18:00:58.086]                 is_error <- inherits(cond, "error")
[18:00:58.086]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:00:58.086]                   NULL)
[18:00:58.086]                 if (is_error) {
[18:00:58.086]                   sessionInformation <- function() {
[18:00:58.086]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:00:58.086]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:00:58.086]                       search = base::search(), system = base::Sys.info())
[18:00:58.086]                   }
[18:00:58.086]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.086]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:00:58.086]                     cond$call), session = sessionInformation(), 
[18:00:58.086]                     timestamp = base::Sys.time(), signaled = 0L)
[18:00:58.086]                   signalCondition(cond)
[18:00:58.086]                 }
[18:00:58.086]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:00:58.086]                 "immediateCondition"))) {
[18:00:58.086]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:00:58.086]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.086]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:00:58.086]                   if (TRUE && !signal) {
[18:00:58.086]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.086]                     {
[18:00:58.086]                       inherits <- base::inherits
[18:00:58.086]                       invokeRestart <- base::invokeRestart
[18:00:58.086]                       is.null <- base::is.null
[18:00:58.086]                       muffled <- FALSE
[18:00:58.086]                       if (inherits(cond, "message")) {
[18:00:58.086]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.086]                         if (muffled) 
[18:00:58.086]                           invokeRestart("muffleMessage")
[18:00:58.086]                       }
[18:00:58.086]                       else if (inherits(cond, "warning")) {
[18:00:58.086]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.086]                         if (muffled) 
[18:00:58.086]                           invokeRestart("muffleWarning")
[18:00:58.086]                       }
[18:00:58.086]                       else if (inherits(cond, "condition")) {
[18:00:58.086]                         if (!is.null(pattern)) {
[18:00:58.086]                           computeRestarts <- base::computeRestarts
[18:00:58.086]                           grepl <- base::grepl
[18:00:58.086]                           restarts <- computeRestarts(cond)
[18:00:58.086]                           for (restart in restarts) {
[18:00:58.086]                             name <- restart$name
[18:00:58.086]                             if (is.null(name)) 
[18:00:58.086]                               next
[18:00:58.086]                             if (!grepl(pattern, name)) 
[18:00:58.086]                               next
[18:00:58.086]                             invokeRestart(restart)
[18:00:58.086]                             muffled <- TRUE
[18:00:58.086]                             break
[18:00:58.086]                           }
[18:00:58.086]                         }
[18:00:58.086]                       }
[18:00:58.086]                       invisible(muffled)
[18:00:58.086]                     }
[18:00:58.086]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.086]                   }
[18:00:58.086]                 }
[18:00:58.086]                 else {
[18:00:58.086]                   if (TRUE) {
[18:00:58.086]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.086]                     {
[18:00:58.086]                       inherits <- base::inherits
[18:00:58.086]                       invokeRestart <- base::invokeRestart
[18:00:58.086]                       is.null <- base::is.null
[18:00:58.086]                       muffled <- FALSE
[18:00:58.086]                       if (inherits(cond, "message")) {
[18:00:58.086]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.086]                         if (muffled) 
[18:00:58.086]                           invokeRestart("muffleMessage")
[18:00:58.086]                       }
[18:00:58.086]                       else if (inherits(cond, "warning")) {
[18:00:58.086]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.086]                         if (muffled) 
[18:00:58.086]                           invokeRestart("muffleWarning")
[18:00:58.086]                       }
[18:00:58.086]                       else if (inherits(cond, "condition")) {
[18:00:58.086]                         if (!is.null(pattern)) {
[18:00:58.086]                           computeRestarts <- base::computeRestarts
[18:00:58.086]                           grepl <- base::grepl
[18:00:58.086]                           restarts <- computeRestarts(cond)
[18:00:58.086]                           for (restart in restarts) {
[18:00:58.086]                             name <- restart$name
[18:00:58.086]                             if (is.null(name)) 
[18:00:58.086]                               next
[18:00:58.086]                             if (!grepl(pattern, name)) 
[18:00:58.086]                               next
[18:00:58.086]                             invokeRestart(restart)
[18:00:58.086]                             muffled <- TRUE
[18:00:58.086]                             break
[18:00:58.086]                           }
[18:00:58.086]                         }
[18:00:58.086]                       }
[18:00:58.086]                       invisible(muffled)
[18:00:58.086]                     }
[18:00:58.086]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.086]                   }
[18:00:58.086]                 }
[18:00:58.086]             }
[18:00:58.086]         }))
[18:00:58.086]     }, error = function(ex) {
[18:00:58.086]         base::structure(base::list(value = NULL, visible = NULL, 
[18:00:58.086]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.086]                 ...future.rng), started = ...future.startTime, 
[18:00:58.086]             finished = Sys.time(), session_uuid = NA_character_, 
[18:00:58.086]             version = "1.8"), class = "FutureResult")
[18:00:58.086]     }, finally = {
[18:00:58.086]         if (!identical(...future.workdir, getwd())) 
[18:00:58.086]             setwd(...future.workdir)
[18:00:58.086]         {
[18:00:58.086]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:00:58.086]                 ...future.oldOptions$nwarnings <- NULL
[18:00:58.086]             }
[18:00:58.086]             base::options(...future.oldOptions)
[18:00:58.086]             if (.Platform$OS.type == "windows") {
[18:00:58.086]                 old_names <- names(...future.oldEnvVars)
[18:00:58.086]                 envs <- base::Sys.getenv()
[18:00:58.086]                 names <- names(envs)
[18:00:58.086]                 common <- intersect(names, old_names)
[18:00:58.086]                 added <- setdiff(names, old_names)
[18:00:58.086]                 removed <- setdiff(old_names, names)
[18:00:58.086]                 changed <- common[...future.oldEnvVars[common] != 
[18:00:58.086]                   envs[common]]
[18:00:58.086]                 NAMES <- toupper(changed)
[18:00:58.086]                 args <- list()
[18:00:58.086]                 for (kk in seq_along(NAMES)) {
[18:00:58.086]                   name <- changed[[kk]]
[18:00:58.086]                   NAME <- NAMES[[kk]]
[18:00:58.086]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.086]                     next
[18:00:58.086]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.086]                 }
[18:00:58.086]                 NAMES <- toupper(added)
[18:00:58.086]                 for (kk in seq_along(NAMES)) {
[18:00:58.086]                   name <- added[[kk]]
[18:00:58.086]                   NAME <- NAMES[[kk]]
[18:00:58.086]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.086]                     next
[18:00:58.086]                   args[[name]] <- ""
[18:00:58.086]                 }
[18:00:58.086]                 NAMES <- toupper(removed)
[18:00:58.086]                 for (kk in seq_along(NAMES)) {
[18:00:58.086]                   name <- removed[[kk]]
[18:00:58.086]                   NAME <- NAMES[[kk]]
[18:00:58.086]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.086]                     next
[18:00:58.086]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.086]                 }
[18:00:58.086]                 if (length(args) > 0) 
[18:00:58.086]                   base::do.call(base::Sys.setenv, args = args)
[18:00:58.086]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:00:58.086]             }
[18:00:58.086]             else {
[18:00:58.086]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:00:58.086]             }
[18:00:58.086]             {
[18:00:58.086]                 if (base::length(...future.futureOptionsAdded) > 
[18:00:58.086]                   0L) {
[18:00:58.086]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:00:58.086]                   base::names(opts) <- ...future.futureOptionsAdded
[18:00:58.086]                   base::options(opts)
[18:00:58.086]                 }
[18:00:58.086]                 {
[18:00:58.086]                   {
[18:00:58.086]                     NULL
[18:00:58.086]                     RNGkind("Mersenne-Twister")
[18:00:58.086]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:00:58.086]                       inherits = FALSE)
[18:00:58.086]                   }
[18:00:58.086]                   options(future.plan = NULL)
[18:00:58.086]                   if (is.na(NA_character_)) 
[18:00:58.086]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.086]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:00:58.086]                   future::plan(list(function (..., envir = parent.frame()) 
[18:00:58.086]                   {
[18:00:58.086]                     future <- SequentialFuture(..., envir = envir)
[18:00:58.086]                     if (!future$lazy) 
[18:00:58.086]                       future <- run(future)
[18:00:58.086]                     invisible(future)
[18:00:58.086]                   }), .cleanup = FALSE, .init = FALSE)
[18:00:58.086]                 }
[18:00:58.086]             }
[18:00:58.086]         }
[18:00:58.086]     })
[18:00:58.086]     if (TRUE) {
[18:00:58.086]         base::sink(type = "output", split = FALSE)
[18:00:58.086]         if (TRUE) {
[18:00:58.086]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:00:58.086]         }
[18:00:58.086]         else {
[18:00:58.086]             ...future.result["stdout"] <- base::list(NULL)
[18:00:58.086]         }
[18:00:58.086]         base::close(...future.stdout)
[18:00:58.086]         ...future.stdout <- NULL
[18:00:58.086]     }
[18:00:58.086]     ...future.result$conditions <- ...future.conditions
[18:00:58.086]     ...future.result$finished <- base::Sys.time()
[18:00:58.086]     ...future.result
[18:00:58.086] }
[18:00:58.091] plan(): Setting new future strategy stack:
[18:00:58.091] List of future strategies:
[18:00:58.091] 1. sequential:
[18:00:58.091]    - args: function (..., envir = parent.frame())
[18:00:58.091]    - tweaked: FALSE
[18:00:58.091]    - call: NULL
[18:00:58.091] plan(): nbrOfWorkers() = 1
[18:00:58.093] plan(): Setting new future strategy stack:
[18:00:58.093] List of future strategies:
[18:00:58.093] 1. sequential:
[18:00:58.093]    - args: function (..., envir = parent.frame())
[18:00:58.093]    - tweaked: FALSE
[18:00:58.093]    - call: future::plan("sequential")
[18:00:58.094] plan(): nbrOfWorkers() = 1
[18:00:58.094] SequentialFuture started (and completed)
[18:00:58.095] signalConditions() ...
[18:00:58.095]  - include = 'immediateCondition'
[18:00:58.095]  - exclude = 
[18:00:58.095]  - resignal = FALSE
[18:00:58.095]  - Number of conditions: 1
[18:00:58.096] signalConditions() ... done
[18:00:58.096] - Launch lazy future ... done
[18:00:58.096] run() for 'SequentialFuture' ... done
> v <- value(f, signal = FALSE)
[18:00:58.097] signalConditions() ...
[18:00:58.097]  - include = 'immediateCondition'
[18:00:58.097]  - exclude = 
[18:00:58.097]  - resignal = FALSE
[18:00:58.097]  - Number of conditions: 1
[18:00:58.097] signalConditions() ... done
> print(v)
<simpleError in eval(quote({    42L    stop("Woops")}), new.env()): Woops>
> calls <- backtrace(f)
[18:00:58.099] resolved() for 'SequentialFuture' ...
[18:00:58.099] - state: 'finished'
[18:00:58.099] - run: TRUE
[18:00:58.100] - result: 'FutureResult'
[18:00:58.100] resolved() for 'SequentialFuture' ... done
> print(calls)
[[1]]
future({
    42L
    stop("Woops")
})

[[2]]
Future(expr, substitute = FALSE, envir = envir, lazy = TRUE, 
    seed = seed, globals = globals, packages = packages, stdout = stdout, 
    conditions = conditions, earlySignal = earlySignal, label = label, 
    gc = gc, ...)

[[3]]
eval(quote({
    42L
    stop("Woops")
}), new.env())

[[4]]
stop("Woops")

[[5]]
eval(quote({
    42L
    stop("Woops")
}), new.env())

> 
> message("*** backtrace( ) - explicit future ... DONE")
*** backtrace( ) - explicit future ... DONE
> 
> 
> message("*** backtrace( ) - implicit future ...")
*** backtrace( ) - implicit future ...
> 
> v %<-% { 42L; stop("Woops") }
[18:00:58.101] getGlobalsAndPackages() ...
[18:00:58.101] Searching for globals...
[18:00:58.102] - globals found: [2] '{', 'stop'
[18:00:58.102] Searching for globals ... DONE
[18:00:58.103] Resolving globals: FALSE
[18:00:58.103] 
[18:00:58.103] 
[18:00:58.103] getGlobalsAndPackages() ... DONE
[18:00:58.104] run() for 'Future' ...
[18:00:58.104] - state: 'created'
[18:00:58.104] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:00:58.104] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:00:58.105] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:00:58.105]   - Field: 'label'
[18:00:58.105]   - Field: 'local'
[18:00:58.105]   - Field: 'owner'
[18:00:58.105]   - Field: 'envir'
[18:00:58.106]   - Field: 'packages'
[18:00:58.106]   - Field: 'gc'
[18:00:58.106]   - Field: 'conditions'
[18:00:58.106]   - Field: 'expr'
[18:00:58.106]   - Field: 'uuid'
[18:00:58.106]   - Field: 'seed'
[18:00:58.107]   - Field: 'version'
[18:00:58.107]   - Field: 'result'
[18:00:58.107]   - Field: 'asynchronous'
[18:00:58.107]   - Field: 'calls'
[18:00:58.107]   - Field: 'globals'
[18:00:58.108]   - Field: 'stdout'
[18:00:58.108]   - Field: 'earlySignal'
[18:00:58.108]   - Field: 'lazy'
[18:00:58.108]   - Field: 'state'
[18:00:58.108] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:00:58.108] - Launch lazy future ...
[18:00:58.109] Packages needed by the future expression (n = 0): <none>
[18:00:58.109] Packages needed by future strategies (n = 0): <none>
[18:00:58.110] {
[18:00:58.110]     {
[18:00:58.110]         {
[18:00:58.110]             ...future.startTime <- base::Sys.time()
[18:00:58.110]             {
[18:00:58.110]                 {
[18:00:58.110]                   {
[18:00:58.110]                     base::local({
[18:00:58.110]                       has_future <- base::requireNamespace("future", 
[18:00:58.110]                         quietly = TRUE)
[18:00:58.110]                       if (has_future) {
[18:00:58.110]                         ns <- base::getNamespace("future")
[18:00:58.110]                         version <- ns[[".package"]][["version"]]
[18:00:58.110]                         if (is.null(version)) 
[18:00:58.110]                           version <- utils::packageVersion("future")
[18:00:58.110]                       }
[18:00:58.110]                       else {
[18:00:58.110]                         version <- NULL
[18:00:58.110]                       }
[18:00:58.110]                       if (!has_future || version < "1.8.0") {
[18:00:58.110]                         info <- base::c(r_version = base::gsub("R version ", 
[18:00:58.110]                           "", base::R.version$version.string), 
[18:00:58.110]                           platform = base::sprintf("%s (%s-bit)", 
[18:00:58.110]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:00:58.110]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:00:58.110]                             "release", "version")], collapse = " "), 
[18:00:58.110]                           hostname = base::Sys.info()[["nodename"]])
[18:00:58.110]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:00:58.110]                           info)
[18:00:58.110]                         info <- base::paste(info, collapse = "; ")
[18:00:58.110]                         if (!has_future) {
[18:00:58.110]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:00:58.110]                             info)
[18:00:58.110]                         }
[18:00:58.110]                         else {
[18:00:58.110]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:00:58.110]                             info, version)
[18:00:58.110]                         }
[18:00:58.110]                         base::stop(msg)
[18:00:58.110]                       }
[18:00:58.110]                     })
[18:00:58.110]                   }
[18:00:58.110]                   options(future.plan = NULL)
[18:00:58.110]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.110]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:00:58.110]                 }
[18:00:58.110]                 ...future.workdir <- getwd()
[18:00:58.110]             }
[18:00:58.110]             ...future.oldOptions <- base::as.list(base::.Options)
[18:00:58.110]             ...future.oldEnvVars <- base::Sys.getenv()
[18:00:58.110]         }
[18:00:58.110]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:00:58.110]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:00:58.110]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:00:58.110]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:00:58.110]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:00:58.110]             future.stdout.windows.reencode = NULL, width = 80L)
[18:00:58.110]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:00:58.110]             base::names(...future.oldOptions))
[18:00:58.110]     }
[18:00:58.110]     if (FALSE) {
[18:00:58.110]     }
[18:00:58.110]     else {
[18:00:58.110]         if (TRUE) {
[18:00:58.110]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:00:58.110]                 open = "w")
[18:00:58.110]         }
[18:00:58.110]         else {
[18:00:58.110]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:00:58.110]                 windows = "NUL", "/dev/null"), open = "w")
[18:00:58.110]         }
[18:00:58.110]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:00:58.110]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:00:58.110]             base::sink(type = "output", split = FALSE)
[18:00:58.110]             base::close(...future.stdout)
[18:00:58.110]         }, add = TRUE)
[18:00:58.110]     }
[18:00:58.110]     ...future.frame <- base::sys.nframe()
[18:00:58.110]     ...future.conditions <- base::list()
[18:00:58.110]     ...future.rng <- base::globalenv()$.Random.seed
[18:00:58.110]     if (FALSE) {
[18:00:58.110]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:00:58.110]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:00:58.110]     }
[18:00:58.110]     ...future.result <- base::tryCatch({
[18:00:58.110]         base::withCallingHandlers({
[18:00:58.110]             ...future.value <- base::withVisible(base::local({
[18:00:58.110]                 42L
[18:00:58.110]                 stop("Woops")
[18:00:58.110]             }))
[18:00:58.110]             future::FutureResult(value = ...future.value$value, 
[18:00:58.110]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.110]                   ...future.rng), globalenv = if (FALSE) 
[18:00:58.110]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:00:58.110]                     ...future.globalenv.names))
[18:00:58.110]                 else NULL, started = ...future.startTime, version = "1.8")
[18:00:58.110]         }, condition = base::local({
[18:00:58.110]             c <- base::c
[18:00:58.110]             inherits <- base::inherits
[18:00:58.110]             invokeRestart <- base::invokeRestart
[18:00:58.110]             length <- base::length
[18:00:58.110]             list <- base::list
[18:00:58.110]             seq.int <- base::seq.int
[18:00:58.110]             signalCondition <- base::signalCondition
[18:00:58.110]             sys.calls <- base::sys.calls
[18:00:58.110]             `[[` <- base::`[[`
[18:00:58.110]             `+` <- base::`+`
[18:00:58.110]             `<<-` <- base::`<<-`
[18:00:58.110]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:00:58.110]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:00:58.110]                   3L)]
[18:00:58.110]             }
[18:00:58.110]             function(cond) {
[18:00:58.110]                 is_error <- inherits(cond, "error")
[18:00:58.110]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:00:58.110]                   NULL)
[18:00:58.110]                 if (is_error) {
[18:00:58.110]                   sessionInformation <- function() {
[18:00:58.110]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:00:58.110]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:00:58.110]                       search = base::search(), system = base::Sys.info())
[18:00:58.110]                   }
[18:00:58.110]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.110]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:00:58.110]                     cond$call), session = sessionInformation(), 
[18:00:58.110]                     timestamp = base::Sys.time(), signaled = 0L)
[18:00:58.110]                   signalCondition(cond)
[18:00:58.110]                 }
[18:00:58.110]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:00:58.110]                 "immediateCondition"))) {
[18:00:58.110]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:00:58.110]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.110]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:00:58.110]                   if (TRUE && !signal) {
[18:00:58.110]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.110]                     {
[18:00:58.110]                       inherits <- base::inherits
[18:00:58.110]                       invokeRestart <- base::invokeRestart
[18:00:58.110]                       is.null <- base::is.null
[18:00:58.110]                       muffled <- FALSE
[18:00:58.110]                       if (inherits(cond, "message")) {
[18:00:58.110]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.110]                         if (muffled) 
[18:00:58.110]                           invokeRestart("muffleMessage")
[18:00:58.110]                       }
[18:00:58.110]                       else if (inherits(cond, "warning")) {
[18:00:58.110]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.110]                         if (muffled) 
[18:00:58.110]                           invokeRestart("muffleWarning")
[18:00:58.110]                       }
[18:00:58.110]                       else if (inherits(cond, "condition")) {
[18:00:58.110]                         if (!is.null(pattern)) {
[18:00:58.110]                           computeRestarts <- base::computeRestarts
[18:00:58.110]                           grepl <- base::grepl
[18:00:58.110]                           restarts <- computeRestarts(cond)
[18:00:58.110]                           for (restart in restarts) {
[18:00:58.110]                             name <- restart$name
[18:00:58.110]                             if (is.null(name)) 
[18:00:58.110]                               next
[18:00:58.110]                             if (!grepl(pattern, name)) 
[18:00:58.110]                               next
[18:00:58.110]                             invokeRestart(restart)
[18:00:58.110]                             muffled <- TRUE
[18:00:58.110]                             break
[18:00:58.110]                           }
[18:00:58.110]                         }
[18:00:58.110]                       }
[18:00:58.110]                       invisible(muffled)
[18:00:58.110]                     }
[18:00:58.110]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.110]                   }
[18:00:58.110]                 }
[18:00:58.110]                 else {
[18:00:58.110]                   if (TRUE) {
[18:00:58.110]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.110]                     {
[18:00:58.110]                       inherits <- base::inherits
[18:00:58.110]                       invokeRestart <- base::invokeRestart
[18:00:58.110]                       is.null <- base::is.null
[18:00:58.110]                       muffled <- FALSE
[18:00:58.110]                       if (inherits(cond, "message")) {
[18:00:58.110]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.110]                         if (muffled) 
[18:00:58.110]                           invokeRestart("muffleMessage")
[18:00:58.110]                       }
[18:00:58.110]                       else if (inherits(cond, "warning")) {
[18:00:58.110]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.110]                         if (muffled) 
[18:00:58.110]                           invokeRestart("muffleWarning")
[18:00:58.110]                       }
[18:00:58.110]                       else if (inherits(cond, "condition")) {
[18:00:58.110]                         if (!is.null(pattern)) {
[18:00:58.110]                           computeRestarts <- base::computeRestarts
[18:00:58.110]                           grepl <- base::grepl
[18:00:58.110]                           restarts <- computeRestarts(cond)
[18:00:58.110]                           for (restart in restarts) {
[18:00:58.110]                             name <- restart$name
[18:00:58.110]                             if (is.null(name)) 
[18:00:58.110]                               next
[18:00:58.110]                             if (!grepl(pattern, name)) 
[18:00:58.110]                               next
[18:00:58.110]                             invokeRestart(restart)
[18:00:58.110]                             muffled <- TRUE
[18:00:58.110]                             break
[18:00:58.110]                           }
[18:00:58.110]                         }
[18:00:58.110]                       }
[18:00:58.110]                       invisible(muffled)
[18:00:58.110]                     }
[18:00:58.110]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.110]                   }
[18:00:58.110]                 }
[18:00:58.110]             }
[18:00:58.110]         }))
[18:00:58.110]     }, error = function(ex) {
[18:00:58.110]         base::structure(base::list(value = NULL, visible = NULL, 
[18:00:58.110]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.110]                 ...future.rng), started = ...future.startTime, 
[18:00:58.110]             finished = Sys.time(), session_uuid = NA_character_, 
[18:00:58.110]             version = "1.8"), class = "FutureResult")
[18:00:58.110]     }, finally = {
[18:00:58.110]         if (!identical(...future.workdir, getwd())) 
[18:00:58.110]             setwd(...future.workdir)
[18:00:58.110]         {
[18:00:58.110]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:00:58.110]                 ...future.oldOptions$nwarnings <- NULL
[18:00:58.110]             }
[18:00:58.110]             base::options(...future.oldOptions)
[18:00:58.110]             if (.Platform$OS.type == "windows") {
[18:00:58.110]                 old_names <- names(...future.oldEnvVars)
[18:00:58.110]                 envs <- base::Sys.getenv()
[18:00:58.110]                 names <- names(envs)
[18:00:58.110]                 common <- intersect(names, old_names)
[18:00:58.110]                 added <- setdiff(names, old_names)
[18:00:58.110]                 removed <- setdiff(old_names, names)
[18:00:58.110]                 changed <- common[...future.oldEnvVars[common] != 
[18:00:58.110]                   envs[common]]
[18:00:58.110]                 NAMES <- toupper(changed)
[18:00:58.110]                 args <- list()
[18:00:58.110]                 for (kk in seq_along(NAMES)) {
[18:00:58.110]                   name <- changed[[kk]]
[18:00:58.110]                   NAME <- NAMES[[kk]]
[18:00:58.110]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.110]                     next
[18:00:58.110]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.110]                 }
[18:00:58.110]                 NAMES <- toupper(added)
[18:00:58.110]                 for (kk in seq_along(NAMES)) {
[18:00:58.110]                   name <- added[[kk]]
[18:00:58.110]                   NAME <- NAMES[[kk]]
[18:00:58.110]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.110]                     next
[18:00:58.110]                   args[[name]] <- ""
[18:00:58.110]                 }
[18:00:58.110]                 NAMES <- toupper(removed)
[18:00:58.110]                 for (kk in seq_along(NAMES)) {
[18:00:58.110]                   name <- removed[[kk]]
[18:00:58.110]                   NAME <- NAMES[[kk]]
[18:00:58.110]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.110]                     next
[18:00:58.110]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.110]                 }
[18:00:58.110]                 if (length(args) > 0) 
[18:00:58.110]                   base::do.call(base::Sys.setenv, args = args)
[18:00:58.110]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:00:58.110]             }
[18:00:58.110]             else {
[18:00:58.110]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:00:58.110]             }
[18:00:58.110]             {
[18:00:58.110]                 if (base::length(...future.futureOptionsAdded) > 
[18:00:58.110]                   0L) {
[18:00:58.110]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:00:58.110]                   base::names(opts) <- ...future.futureOptionsAdded
[18:00:58.110]                   base::options(opts)
[18:00:58.110]                 }
[18:00:58.110]                 {
[18:00:58.110]                   {
[18:00:58.110]                     NULL
[18:00:58.110]                     RNGkind("Mersenne-Twister")
[18:00:58.110]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:00:58.110]                       inherits = FALSE)
[18:00:58.110]                   }
[18:00:58.110]                   options(future.plan = NULL)
[18:00:58.110]                   if (is.na(NA_character_)) 
[18:00:58.110]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.110]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:00:58.110]                   future::plan(list(function (..., envir = parent.frame()) 
[18:00:58.110]                   {
[18:00:58.110]                     future <- SequentialFuture(..., envir = envir)
[18:00:58.110]                     if (!future$lazy) 
[18:00:58.110]                       future <- run(future)
[18:00:58.110]                     invisible(future)
[18:00:58.110]                   }), .cleanup = FALSE, .init = FALSE)
[18:00:58.110]                 }
[18:00:58.110]             }
[18:00:58.110]         }
[18:00:58.110]     })
[18:00:58.110]     if (TRUE) {
[18:00:58.110]         base::sink(type = "output", split = FALSE)
[18:00:58.110]         if (TRUE) {
[18:00:58.110]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:00:58.110]         }
[18:00:58.110]         else {
[18:00:58.110]             ...future.result["stdout"] <- base::list(NULL)
[18:00:58.110]         }
[18:00:58.110]         base::close(...future.stdout)
[18:00:58.110]         ...future.stdout <- NULL
[18:00:58.110]     }
[18:00:58.110]     ...future.result$conditions <- ...future.conditions
[18:00:58.110]     ...future.result$finished <- base::Sys.time()
[18:00:58.110]     ...future.result
[18:00:58.110] }
[18:00:58.114] plan(): Setting new future strategy stack:
[18:00:58.114] List of future strategies:
[18:00:58.114] 1. sequential:
[18:00:58.114]    - args: function (..., envir = parent.frame())
[18:00:58.114]    - tweaked: FALSE
[18:00:58.114]    - call: NULL
[18:00:58.114] plan(): nbrOfWorkers() = 1
[18:00:58.118] plan(): Setting new future strategy stack:
[18:00:58.118] List of future strategies:
[18:00:58.118] 1. sequential:
[18:00:58.118]    - args: function (..., envir = parent.frame())
[18:00:58.118]    - tweaked: FALSE
[18:00:58.118]    - call: future::plan("sequential")
[18:00:58.119] plan(): nbrOfWorkers() = 1
[18:00:58.119] SequentialFuture started (and completed)
[18:00:58.119] signalConditions() ...
[18:00:58.119]  - include = 'immediateCondition'
[18:00:58.119]  - exclude = 
[18:00:58.120]  - resignal = FALSE
[18:00:58.120]  - Number of conditions: 1
[18:00:58.120] signalConditions() ... done
[18:00:58.120] - Launch lazy future ... done
[18:00:58.120] run() for 'SequentialFuture' ... done
> calls <- backtrace(v)
[18:00:58.121] resolved() for 'SequentialFuture' ...
[18:00:58.121] - state: 'finished'
[18:00:58.121] - run: TRUE
[18:00:58.121] - result: 'FutureResult'
[18:00:58.121] resolved() for 'SequentialFuture' ... done
> print(calls)
[[1]]
v %<-% {
    42L
    stop("Woops")
}

[[2]]
futureAssignInternal(target, expr, envir = envir, substitute = FALSE)

[[3]]
futureAssign(name, expr, envir = envir, assign.env = assign.env, 
    substitute = FALSE)

[[4]]
do.call(future::future, args = future.args, envir = assign.env)

[[5]]
(function (expr, envir = parent.frame(), substitute = TRUE, lazy = FALSE, 
    seed = FALSE, globals = TRUE, packages = NULL, stdout = TRUE, 
    conditions = "condition", earlySignal = FALSE, label = NULL, 
    gc = FALSE, ...) 
{
    if (substitute) 
        expr <- substitute(expr)
    t_start <- Sys.time()
    gp <- getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression, 
        globals = globals)
    expr <- gp$expr
    globals <- gp$globals
    if (length(packages) > 0 || length(gp$packages) > 0) {
        packages <- unique(c(gp$packages, packages))
    }
    gp <- NULL
    attr(globals, "already-done") <- TRUE
    future <- Future(expr, substitute = FALSE, envir = envir, 
        lazy = TRUE, seed = seed, globals = globals, packages = packages, 
        stdout = stdout, conditions = conditions, earlySignal = earlySignal, 
        label = label, gc = gc, ...)
    future$.defaultLocal <- !is.element("local", names(list(...)))
    if (getOption("future.journal", FALSE)) {
        future <- makeFutureJournal(future, event = "create", 
            category = "overhead", start = t_start)
    }
    if (!lazy) {
        future <- run(future)
        future$lazy <- FALSE
        stop_if_not(inherits(future, "Future"), !future$lazy)
    }
    future
})({
    42L
    stop("Woops")
}, envir = <environment>, lazy = FALSE, seed = FALSE, globals = TRUE, 
    packages = NULL, stdout = TRUE, conditions = "condition", 
    earlySignal = FALSE, label = NULL, gc = FALSE)

[[6]]
Future(expr, substitute = FALSE, envir = envir, lazy = TRUE, 
    seed = seed, globals = globals, packages = packages, stdout = stdout, 
    conditions = conditions, earlySignal = earlySignal, label = label, 
    gc = gc, ...)

[[7]]
eval(quote({
    42L
    stop("Woops")
}), new.env())

[[8]]
stop("Woops")

[[9]]
eval(quote({
    42L
    stop("Woops")
}), new.env())

> 
> message("*** backtrace( ) - implicit future ... DONE")
*** backtrace( ) - implicit future ... DONE
> 
> 
> message("*** backtrace( ) - subsetting ...")
*** backtrace( ) - subsetting ...
> 
> env <- new.env()
> env[["a"]] %<-% { 42L; stop("Woops") }
[18:00:58.123] getGlobalsAndPackages() ...
[18:00:58.123] Searching for globals...
[18:00:58.124] - globals found: [2] '{', 'stop'
[18:00:58.124] Searching for globals ... DONE
[18:00:58.124] Resolving globals: FALSE
[18:00:58.125] 
[18:00:58.125] 
[18:00:58.125] getGlobalsAndPackages() ... DONE
[18:00:58.125] run() for 'Future' ...
[18:00:58.126] - state: 'created'
[18:00:58.126] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:00:58.126] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:00:58.126] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:00:58.127]   - Field: 'label'
[18:00:58.127]   - Field: 'local'
[18:00:58.127]   - Field: 'owner'
[18:00:58.127]   - Field: 'envir'
[18:00:58.127]   - Field: 'packages'
[18:00:58.128]   - Field: 'gc'
[18:00:58.128]   - Field: 'conditions'
[18:00:58.128]   - Field: 'expr'
[18:00:58.128]   - Field: 'uuid'
[18:00:58.128]   - Field: 'seed'
[18:00:58.128]   - Field: 'version'
[18:00:58.129]   - Field: 'result'
[18:00:58.129]   - Field: 'asynchronous'
[18:00:58.129]   - Field: 'calls'
[18:00:58.129]   - Field: 'globals'
[18:00:58.129]   - Field: 'stdout'
[18:00:58.129]   - Field: 'earlySignal'
[18:00:58.130]   - Field: 'lazy'
[18:00:58.130]   - Field: 'state'
[18:00:58.130] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:00:58.130] - Launch lazy future ...
[18:00:58.130] Packages needed by the future expression (n = 0): <none>
[18:00:58.131] Packages needed by future strategies (n = 0): <none>
[18:00:58.131] {
[18:00:58.131]     {
[18:00:58.131]         {
[18:00:58.131]             ...future.startTime <- base::Sys.time()
[18:00:58.131]             {
[18:00:58.131]                 {
[18:00:58.131]                   {
[18:00:58.131]                     base::local({
[18:00:58.131]                       has_future <- base::requireNamespace("future", 
[18:00:58.131]                         quietly = TRUE)
[18:00:58.131]                       if (has_future) {
[18:00:58.131]                         ns <- base::getNamespace("future")
[18:00:58.131]                         version <- ns[[".package"]][["version"]]
[18:00:58.131]                         if (is.null(version)) 
[18:00:58.131]                           version <- utils::packageVersion("future")
[18:00:58.131]                       }
[18:00:58.131]                       else {
[18:00:58.131]                         version <- NULL
[18:00:58.131]                       }
[18:00:58.131]                       if (!has_future || version < "1.8.0") {
[18:00:58.131]                         info <- base::c(r_version = base::gsub("R version ", 
[18:00:58.131]                           "", base::R.version$version.string), 
[18:00:58.131]                           platform = base::sprintf("%s (%s-bit)", 
[18:00:58.131]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:00:58.131]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:00:58.131]                             "release", "version")], collapse = " "), 
[18:00:58.131]                           hostname = base::Sys.info()[["nodename"]])
[18:00:58.131]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:00:58.131]                           info)
[18:00:58.131]                         info <- base::paste(info, collapse = "; ")
[18:00:58.131]                         if (!has_future) {
[18:00:58.131]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:00:58.131]                             info)
[18:00:58.131]                         }
[18:00:58.131]                         else {
[18:00:58.131]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:00:58.131]                             info, version)
[18:00:58.131]                         }
[18:00:58.131]                         base::stop(msg)
[18:00:58.131]                       }
[18:00:58.131]                     })
[18:00:58.131]                   }
[18:00:58.131]                   options(future.plan = NULL)
[18:00:58.131]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.131]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:00:58.131]                 }
[18:00:58.131]                 ...future.workdir <- getwd()
[18:00:58.131]             }
[18:00:58.131]             ...future.oldOptions <- base::as.list(base::.Options)
[18:00:58.131]             ...future.oldEnvVars <- base::Sys.getenv()
[18:00:58.131]         }
[18:00:58.131]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:00:58.131]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:00:58.131]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:00:58.131]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:00:58.131]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:00:58.131]             future.stdout.windows.reencode = NULL, width = 80L)
[18:00:58.131]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:00:58.131]             base::names(...future.oldOptions))
[18:00:58.131]     }
[18:00:58.131]     if (FALSE) {
[18:00:58.131]     }
[18:00:58.131]     else {
[18:00:58.131]         if (TRUE) {
[18:00:58.131]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:00:58.131]                 open = "w")
[18:00:58.131]         }
[18:00:58.131]         else {
[18:00:58.131]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:00:58.131]                 windows = "NUL", "/dev/null"), open = "w")
[18:00:58.131]         }
[18:00:58.131]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:00:58.131]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:00:58.131]             base::sink(type = "output", split = FALSE)
[18:00:58.131]             base::close(...future.stdout)
[18:00:58.131]         }, add = TRUE)
[18:00:58.131]     }
[18:00:58.131]     ...future.frame <- base::sys.nframe()
[18:00:58.131]     ...future.conditions <- base::list()
[18:00:58.131]     ...future.rng <- base::globalenv()$.Random.seed
[18:00:58.131]     if (FALSE) {
[18:00:58.131]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:00:58.131]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:00:58.131]     }
[18:00:58.131]     ...future.result <- base::tryCatch({
[18:00:58.131]         base::withCallingHandlers({
[18:00:58.131]             ...future.value <- base::withVisible(base::local({
[18:00:58.131]                 42L
[18:00:58.131]                 stop("Woops")
[18:00:58.131]             }))
[18:00:58.131]             future::FutureResult(value = ...future.value$value, 
[18:00:58.131]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.131]                   ...future.rng), globalenv = if (FALSE) 
[18:00:58.131]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:00:58.131]                     ...future.globalenv.names))
[18:00:58.131]                 else NULL, started = ...future.startTime, version = "1.8")
[18:00:58.131]         }, condition = base::local({
[18:00:58.131]             c <- base::c
[18:00:58.131]             inherits <- base::inherits
[18:00:58.131]             invokeRestart <- base::invokeRestart
[18:00:58.131]             length <- base::length
[18:00:58.131]             list <- base::list
[18:00:58.131]             seq.int <- base::seq.int
[18:00:58.131]             signalCondition <- base::signalCondition
[18:00:58.131]             sys.calls <- base::sys.calls
[18:00:58.131]             `[[` <- base::`[[`
[18:00:58.131]             `+` <- base::`+`
[18:00:58.131]             `<<-` <- base::`<<-`
[18:00:58.131]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:00:58.131]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:00:58.131]                   3L)]
[18:00:58.131]             }
[18:00:58.131]             function(cond) {
[18:00:58.131]                 is_error <- inherits(cond, "error")
[18:00:58.131]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:00:58.131]                   NULL)
[18:00:58.131]                 if (is_error) {
[18:00:58.131]                   sessionInformation <- function() {
[18:00:58.131]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:00:58.131]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:00:58.131]                       search = base::search(), system = base::Sys.info())
[18:00:58.131]                   }
[18:00:58.131]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.131]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:00:58.131]                     cond$call), session = sessionInformation(), 
[18:00:58.131]                     timestamp = base::Sys.time(), signaled = 0L)
[18:00:58.131]                   signalCondition(cond)
[18:00:58.131]                 }
[18:00:58.131]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:00:58.131]                 "immediateCondition"))) {
[18:00:58.131]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:00:58.131]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.131]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:00:58.131]                   if (TRUE && !signal) {
[18:00:58.131]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.131]                     {
[18:00:58.131]                       inherits <- base::inherits
[18:00:58.131]                       invokeRestart <- base::invokeRestart
[18:00:58.131]                       is.null <- base::is.null
[18:00:58.131]                       muffled <- FALSE
[18:00:58.131]                       if (inherits(cond, "message")) {
[18:00:58.131]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.131]                         if (muffled) 
[18:00:58.131]                           invokeRestart("muffleMessage")
[18:00:58.131]                       }
[18:00:58.131]                       else if (inherits(cond, "warning")) {
[18:00:58.131]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.131]                         if (muffled) 
[18:00:58.131]                           invokeRestart("muffleWarning")
[18:00:58.131]                       }
[18:00:58.131]                       else if (inherits(cond, "condition")) {
[18:00:58.131]                         if (!is.null(pattern)) {
[18:00:58.131]                           computeRestarts <- base::computeRestarts
[18:00:58.131]                           grepl <- base::grepl
[18:00:58.131]                           restarts <- computeRestarts(cond)
[18:00:58.131]                           for (restart in restarts) {
[18:00:58.131]                             name <- restart$name
[18:00:58.131]                             if (is.null(name)) 
[18:00:58.131]                               next
[18:00:58.131]                             if (!grepl(pattern, name)) 
[18:00:58.131]                               next
[18:00:58.131]                             invokeRestart(restart)
[18:00:58.131]                             muffled <- TRUE
[18:00:58.131]                             break
[18:00:58.131]                           }
[18:00:58.131]                         }
[18:00:58.131]                       }
[18:00:58.131]                       invisible(muffled)
[18:00:58.131]                     }
[18:00:58.131]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.131]                   }
[18:00:58.131]                 }
[18:00:58.131]                 else {
[18:00:58.131]                   if (TRUE) {
[18:00:58.131]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.131]                     {
[18:00:58.131]                       inherits <- base::inherits
[18:00:58.131]                       invokeRestart <- base::invokeRestart
[18:00:58.131]                       is.null <- base::is.null
[18:00:58.131]                       muffled <- FALSE
[18:00:58.131]                       if (inherits(cond, "message")) {
[18:00:58.131]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.131]                         if (muffled) 
[18:00:58.131]                           invokeRestart("muffleMessage")
[18:00:58.131]                       }
[18:00:58.131]                       else if (inherits(cond, "warning")) {
[18:00:58.131]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.131]                         if (muffled) 
[18:00:58.131]                           invokeRestart("muffleWarning")
[18:00:58.131]                       }
[18:00:58.131]                       else if (inherits(cond, "condition")) {
[18:00:58.131]                         if (!is.null(pattern)) {
[18:00:58.131]                           computeRestarts <- base::computeRestarts
[18:00:58.131]                           grepl <- base::grepl
[18:00:58.131]                           restarts <- computeRestarts(cond)
[18:00:58.131]                           for (restart in restarts) {
[18:00:58.131]                             name <- restart$name
[18:00:58.131]                             if (is.null(name)) 
[18:00:58.131]                               next
[18:00:58.131]                             if (!grepl(pattern, name)) 
[18:00:58.131]                               next
[18:00:58.131]                             invokeRestart(restart)
[18:00:58.131]                             muffled <- TRUE
[18:00:58.131]                             break
[18:00:58.131]                           }
[18:00:58.131]                         }
[18:00:58.131]                       }
[18:00:58.131]                       invisible(muffled)
[18:00:58.131]                     }
[18:00:58.131]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.131]                   }
[18:00:58.131]                 }
[18:00:58.131]             }
[18:00:58.131]         }))
[18:00:58.131]     }, error = function(ex) {
[18:00:58.131]         base::structure(base::list(value = NULL, visible = NULL, 
[18:00:58.131]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.131]                 ...future.rng), started = ...future.startTime, 
[18:00:58.131]             finished = Sys.time(), session_uuid = NA_character_, 
[18:00:58.131]             version = "1.8"), class = "FutureResult")
[18:00:58.131]     }, finally = {
[18:00:58.131]         if (!identical(...future.workdir, getwd())) 
[18:00:58.131]             setwd(...future.workdir)
[18:00:58.131]         {
[18:00:58.131]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:00:58.131]                 ...future.oldOptions$nwarnings <- NULL
[18:00:58.131]             }
[18:00:58.131]             base::options(...future.oldOptions)
[18:00:58.131]             if (.Platform$OS.type == "windows") {
[18:00:58.131]                 old_names <- names(...future.oldEnvVars)
[18:00:58.131]                 envs <- base::Sys.getenv()
[18:00:58.131]                 names <- names(envs)
[18:00:58.131]                 common <- intersect(names, old_names)
[18:00:58.131]                 added <- setdiff(names, old_names)
[18:00:58.131]                 removed <- setdiff(old_names, names)
[18:00:58.131]                 changed <- common[...future.oldEnvVars[common] != 
[18:00:58.131]                   envs[common]]
[18:00:58.131]                 NAMES <- toupper(changed)
[18:00:58.131]                 args <- list()
[18:00:58.131]                 for (kk in seq_along(NAMES)) {
[18:00:58.131]                   name <- changed[[kk]]
[18:00:58.131]                   NAME <- NAMES[[kk]]
[18:00:58.131]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.131]                     next
[18:00:58.131]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.131]                 }
[18:00:58.131]                 NAMES <- toupper(added)
[18:00:58.131]                 for (kk in seq_along(NAMES)) {
[18:00:58.131]                   name <- added[[kk]]
[18:00:58.131]                   NAME <- NAMES[[kk]]
[18:00:58.131]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.131]                     next
[18:00:58.131]                   args[[name]] <- ""
[18:00:58.131]                 }
[18:00:58.131]                 NAMES <- toupper(removed)
[18:00:58.131]                 for (kk in seq_along(NAMES)) {
[18:00:58.131]                   name <- removed[[kk]]
[18:00:58.131]                   NAME <- NAMES[[kk]]
[18:00:58.131]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.131]                     next
[18:00:58.131]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.131]                 }
[18:00:58.131]                 if (length(args) > 0) 
[18:00:58.131]                   base::do.call(base::Sys.setenv, args = args)
[18:00:58.131]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:00:58.131]             }
[18:00:58.131]             else {
[18:00:58.131]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:00:58.131]             }
[18:00:58.131]             {
[18:00:58.131]                 if (base::length(...future.futureOptionsAdded) > 
[18:00:58.131]                   0L) {
[18:00:58.131]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:00:58.131]                   base::names(opts) <- ...future.futureOptionsAdded
[18:00:58.131]                   base::options(opts)
[18:00:58.131]                 }
[18:00:58.131]                 {
[18:00:58.131]                   {
[18:00:58.131]                     NULL
[18:00:58.131]                     RNGkind("Mersenne-Twister")
[18:00:58.131]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:00:58.131]                       inherits = FALSE)
[18:00:58.131]                   }
[18:00:58.131]                   options(future.plan = NULL)
[18:00:58.131]                   if (is.na(NA_character_)) 
[18:00:58.131]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.131]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:00:58.131]                   future::plan(list(function (..., envir = parent.frame()) 
[18:00:58.131]                   {
[18:00:58.131]                     future <- SequentialFuture(..., envir = envir)
[18:00:58.131]                     if (!future$lazy) 
[18:00:58.131]                       future <- run(future)
[18:00:58.131]                     invisible(future)
[18:00:58.131]                   }), .cleanup = FALSE, .init = FALSE)
[18:00:58.131]                 }
[18:00:58.131]             }
[18:00:58.131]         }
[18:00:58.131]     })
[18:00:58.131]     if (TRUE) {
[18:00:58.131]         base::sink(type = "output", split = FALSE)
[18:00:58.131]         if (TRUE) {
[18:00:58.131]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:00:58.131]         }
[18:00:58.131]         else {
[18:00:58.131]             ...future.result["stdout"] <- base::list(NULL)
[18:00:58.131]         }
[18:00:58.131]         base::close(...future.stdout)
[18:00:58.131]         ...future.stdout <- NULL
[18:00:58.131]     }
[18:00:58.131]     ...future.result$conditions <- ...future.conditions
[18:00:58.131]     ...future.result$finished <- base::Sys.time()
[18:00:58.131]     ...future.result
[18:00:58.131] }
[18:00:58.135] plan(): Setting new future strategy stack:
[18:00:58.135] List of future strategies:
[18:00:58.135] 1. sequential:
[18:00:58.135]    - args: function (..., envir = parent.frame())
[18:00:58.135]    - tweaked: FALSE
[18:00:58.135]    - call: NULL
[18:00:58.136] plan(): nbrOfWorkers() = 1
[18:00:58.137] plan(): Setting new future strategy stack:
[18:00:58.137] List of future strategies:
[18:00:58.137] 1. sequential:
[18:00:58.137]    - args: function (..., envir = parent.frame())
[18:00:58.137]    - tweaked: FALSE
[18:00:58.137]    - call: future::plan("sequential")
[18:00:58.138] plan(): nbrOfWorkers() = 1
[18:00:58.138] SequentialFuture started (and completed)
[18:00:58.138] signalConditions() ...
[18:00:58.138]  - include = 'immediateCondition'
[18:00:58.139]  - exclude = 
[18:00:58.139]  - resignal = FALSE
[18:00:58.139]  - Number of conditions: 1
[18:00:58.139] signalConditions() ... done
[18:00:58.139] - Launch lazy future ... done
[18:00:58.139] run() for 'SequentialFuture' ... done
> env[["b"]] %<-% { 42L; stop("Woops") }
[18:00:58.140] getGlobalsAndPackages() ...
[18:00:58.140] Searching for globals...
[18:00:58.141] - globals found: [2] '{', 'stop'
[18:00:58.141] Searching for globals ... DONE
[18:00:58.141] Resolving globals: FALSE
[18:00:58.142] 
[18:00:58.142] 
[18:00:58.142] getGlobalsAndPackages() ... DONE
[18:00:58.142] run() for 'Future' ...
[18:00:58.143] - state: 'created'
[18:00:58.143] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:00:58.143] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:00:58.143] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:00:58.144]   - Field: 'label'
[18:00:58.144]   - Field: 'local'
[18:00:58.144]   - Field: 'owner'
[18:00:58.144]   - Field: 'envir'
[18:00:58.144]   - Field: 'packages'
[18:00:58.144]   - Field: 'gc'
[18:00:58.145]   - Field: 'conditions'
[18:00:58.145]   - Field: 'expr'
[18:00:58.145]   - Field: 'uuid'
[18:00:58.145]   - Field: 'seed'
[18:00:58.145]   - Field: 'version'
[18:00:58.146]   - Field: 'result'
[18:00:58.146]   - Field: 'asynchronous'
[18:00:58.146]   - Field: 'calls'
[18:00:58.146]   - Field: 'globals'
[18:00:58.146]   - Field: 'stdout'
[18:00:58.146]   - Field: 'earlySignal'
[18:00:58.147]   - Field: 'lazy'
[18:00:58.147]   - Field: 'state'
[18:00:58.147] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:00:58.147] - Launch lazy future ...
[18:00:58.147] Packages needed by the future expression (n = 0): <none>
[18:00:58.148] Packages needed by future strategies (n = 0): <none>
[18:00:58.148] {
[18:00:58.148]     {
[18:00:58.148]         {
[18:00:58.148]             ...future.startTime <- base::Sys.time()
[18:00:58.148]             {
[18:00:58.148]                 {
[18:00:58.148]                   {
[18:00:58.148]                     base::local({
[18:00:58.148]                       has_future <- base::requireNamespace("future", 
[18:00:58.148]                         quietly = TRUE)
[18:00:58.148]                       if (has_future) {
[18:00:58.148]                         ns <- base::getNamespace("future")
[18:00:58.148]                         version <- ns[[".package"]][["version"]]
[18:00:58.148]                         if (is.null(version)) 
[18:00:58.148]                           version <- utils::packageVersion("future")
[18:00:58.148]                       }
[18:00:58.148]                       else {
[18:00:58.148]                         version <- NULL
[18:00:58.148]                       }
[18:00:58.148]                       if (!has_future || version < "1.8.0") {
[18:00:58.148]                         info <- base::c(r_version = base::gsub("R version ", 
[18:00:58.148]                           "", base::R.version$version.string), 
[18:00:58.148]                           platform = base::sprintf("%s (%s-bit)", 
[18:00:58.148]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:00:58.148]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:00:58.148]                             "release", "version")], collapse = " "), 
[18:00:58.148]                           hostname = base::Sys.info()[["nodename"]])
[18:00:58.148]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:00:58.148]                           info)
[18:00:58.148]                         info <- base::paste(info, collapse = "; ")
[18:00:58.148]                         if (!has_future) {
[18:00:58.148]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:00:58.148]                             info)
[18:00:58.148]                         }
[18:00:58.148]                         else {
[18:00:58.148]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:00:58.148]                             info, version)
[18:00:58.148]                         }
[18:00:58.148]                         base::stop(msg)
[18:00:58.148]                       }
[18:00:58.148]                     })
[18:00:58.148]                   }
[18:00:58.148]                   options(future.plan = NULL)
[18:00:58.148]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.148]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:00:58.148]                 }
[18:00:58.148]                 ...future.workdir <- getwd()
[18:00:58.148]             }
[18:00:58.148]             ...future.oldOptions <- base::as.list(base::.Options)
[18:00:58.148]             ...future.oldEnvVars <- base::Sys.getenv()
[18:00:58.148]         }
[18:00:58.148]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:00:58.148]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:00:58.148]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:00:58.148]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:00:58.148]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:00:58.148]             future.stdout.windows.reencode = NULL, width = 80L)
[18:00:58.148]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:00:58.148]             base::names(...future.oldOptions))
[18:00:58.148]     }
[18:00:58.148]     if (FALSE) {
[18:00:58.148]     }
[18:00:58.148]     else {
[18:00:58.148]         if (TRUE) {
[18:00:58.148]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:00:58.148]                 open = "w")
[18:00:58.148]         }
[18:00:58.148]         else {
[18:00:58.148]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:00:58.148]                 windows = "NUL", "/dev/null"), open = "w")
[18:00:58.148]         }
[18:00:58.148]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:00:58.148]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:00:58.148]             base::sink(type = "output", split = FALSE)
[18:00:58.148]             base::close(...future.stdout)
[18:00:58.148]         }, add = TRUE)
[18:00:58.148]     }
[18:00:58.148]     ...future.frame <- base::sys.nframe()
[18:00:58.148]     ...future.conditions <- base::list()
[18:00:58.148]     ...future.rng <- base::globalenv()$.Random.seed
[18:00:58.148]     if (FALSE) {
[18:00:58.148]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:00:58.148]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:00:58.148]     }
[18:00:58.148]     ...future.result <- base::tryCatch({
[18:00:58.148]         base::withCallingHandlers({
[18:00:58.148]             ...future.value <- base::withVisible(base::local({
[18:00:58.148]                 42L
[18:00:58.148]                 stop("Woops")
[18:00:58.148]             }))
[18:00:58.148]             future::FutureResult(value = ...future.value$value, 
[18:00:58.148]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.148]                   ...future.rng), globalenv = if (FALSE) 
[18:00:58.148]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:00:58.148]                     ...future.globalenv.names))
[18:00:58.148]                 else NULL, started = ...future.startTime, version = "1.8")
[18:00:58.148]         }, condition = base::local({
[18:00:58.148]             c <- base::c
[18:00:58.148]             inherits <- base::inherits
[18:00:58.148]             invokeRestart <- base::invokeRestart
[18:00:58.148]             length <- base::length
[18:00:58.148]             list <- base::list
[18:00:58.148]             seq.int <- base::seq.int
[18:00:58.148]             signalCondition <- base::signalCondition
[18:00:58.148]             sys.calls <- base::sys.calls
[18:00:58.148]             `[[` <- base::`[[`
[18:00:58.148]             `+` <- base::`+`
[18:00:58.148]             `<<-` <- base::`<<-`
[18:00:58.148]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:00:58.148]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:00:58.148]                   3L)]
[18:00:58.148]             }
[18:00:58.148]             function(cond) {
[18:00:58.148]                 is_error <- inherits(cond, "error")
[18:00:58.148]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:00:58.148]                   NULL)
[18:00:58.148]                 if (is_error) {
[18:00:58.148]                   sessionInformation <- function() {
[18:00:58.148]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:00:58.148]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:00:58.148]                       search = base::search(), system = base::Sys.info())
[18:00:58.148]                   }
[18:00:58.148]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.148]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:00:58.148]                     cond$call), session = sessionInformation(), 
[18:00:58.148]                     timestamp = base::Sys.time(), signaled = 0L)
[18:00:58.148]                   signalCondition(cond)
[18:00:58.148]                 }
[18:00:58.148]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:00:58.148]                 "immediateCondition"))) {
[18:00:58.148]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:00:58.148]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.148]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:00:58.148]                   if (TRUE && !signal) {
[18:00:58.148]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.148]                     {
[18:00:58.148]                       inherits <- base::inherits
[18:00:58.148]                       invokeRestart <- base::invokeRestart
[18:00:58.148]                       is.null <- base::is.null
[18:00:58.148]                       muffled <- FALSE
[18:00:58.148]                       if (inherits(cond, "message")) {
[18:00:58.148]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.148]                         if (muffled) 
[18:00:58.148]                           invokeRestart("muffleMessage")
[18:00:58.148]                       }
[18:00:58.148]                       else if (inherits(cond, "warning")) {
[18:00:58.148]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.148]                         if (muffled) 
[18:00:58.148]                           invokeRestart("muffleWarning")
[18:00:58.148]                       }
[18:00:58.148]                       else if (inherits(cond, "condition")) {
[18:00:58.148]                         if (!is.null(pattern)) {
[18:00:58.148]                           computeRestarts <- base::computeRestarts
[18:00:58.148]                           grepl <- base::grepl
[18:00:58.148]                           restarts <- computeRestarts(cond)
[18:00:58.148]                           for (restart in restarts) {
[18:00:58.148]                             name <- restart$name
[18:00:58.148]                             if (is.null(name)) 
[18:00:58.148]                               next
[18:00:58.148]                             if (!grepl(pattern, name)) 
[18:00:58.148]                               next
[18:00:58.148]                             invokeRestart(restart)
[18:00:58.148]                             muffled <- TRUE
[18:00:58.148]                             break
[18:00:58.148]                           }
[18:00:58.148]                         }
[18:00:58.148]                       }
[18:00:58.148]                       invisible(muffled)
[18:00:58.148]                     }
[18:00:58.148]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.148]                   }
[18:00:58.148]                 }
[18:00:58.148]                 else {
[18:00:58.148]                   if (TRUE) {
[18:00:58.148]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.148]                     {
[18:00:58.148]                       inherits <- base::inherits
[18:00:58.148]                       invokeRestart <- base::invokeRestart
[18:00:58.148]                       is.null <- base::is.null
[18:00:58.148]                       muffled <- FALSE
[18:00:58.148]                       if (inherits(cond, "message")) {
[18:00:58.148]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.148]                         if (muffled) 
[18:00:58.148]                           invokeRestart("muffleMessage")
[18:00:58.148]                       }
[18:00:58.148]                       else if (inherits(cond, "warning")) {
[18:00:58.148]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.148]                         if (muffled) 
[18:00:58.148]                           invokeRestart("muffleWarning")
[18:00:58.148]                       }
[18:00:58.148]                       else if (inherits(cond, "condition")) {
[18:00:58.148]                         if (!is.null(pattern)) {
[18:00:58.148]                           computeRestarts <- base::computeRestarts
[18:00:58.148]                           grepl <- base::grepl
[18:00:58.148]                           restarts <- computeRestarts(cond)
[18:00:58.148]                           for (restart in restarts) {
[18:00:58.148]                             name <- restart$name
[18:00:58.148]                             if (is.null(name)) 
[18:00:58.148]                               next
[18:00:58.148]                             if (!grepl(pattern, name)) 
[18:00:58.148]                               next
[18:00:58.148]                             invokeRestart(restart)
[18:00:58.148]                             muffled <- TRUE
[18:00:58.148]                             break
[18:00:58.148]                           }
[18:00:58.148]                         }
[18:00:58.148]                       }
[18:00:58.148]                       invisible(muffled)
[18:00:58.148]                     }
[18:00:58.148]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.148]                   }
[18:00:58.148]                 }
[18:00:58.148]             }
[18:00:58.148]         }))
[18:00:58.148]     }, error = function(ex) {
[18:00:58.148]         base::structure(base::list(value = NULL, visible = NULL, 
[18:00:58.148]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.148]                 ...future.rng), started = ...future.startTime, 
[18:00:58.148]             finished = Sys.time(), session_uuid = NA_character_, 
[18:00:58.148]             version = "1.8"), class = "FutureResult")
[18:00:58.148]     }, finally = {
[18:00:58.148]         if (!identical(...future.workdir, getwd())) 
[18:00:58.148]             setwd(...future.workdir)
[18:00:58.148]         {
[18:00:58.148]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:00:58.148]                 ...future.oldOptions$nwarnings <- NULL
[18:00:58.148]             }
[18:00:58.148]             base::options(...future.oldOptions)
[18:00:58.148]             if (.Platform$OS.type == "windows") {
[18:00:58.148]                 old_names <- names(...future.oldEnvVars)
[18:00:58.148]                 envs <- base::Sys.getenv()
[18:00:58.148]                 names <- names(envs)
[18:00:58.148]                 common <- intersect(names, old_names)
[18:00:58.148]                 added <- setdiff(names, old_names)
[18:00:58.148]                 removed <- setdiff(old_names, names)
[18:00:58.148]                 changed <- common[...future.oldEnvVars[common] != 
[18:00:58.148]                   envs[common]]
[18:00:58.148]                 NAMES <- toupper(changed)
[18:00:58.148]                 args <- list()
[18:00:58.148]                 for (kk in seq_along(NAMES)) {
[18:00:58.148]                   name <- changed[[kk]]
[18:00:58.148]                   NAME <- NAMES[[kk]]
[18:00:58.148]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.148]                     next
[18:00:58.148]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.148]                 }
[18:00:58.148]                 NAMES <- toupper(added)
[18:00:58.148]                 for (kk in seq_along(NAMES)) {
[18:00:58.148]                   name <- added[[kk]]
[18:00:58.148]                   NAME <- NAMES[[kk]]
[18:00:58.148]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.148]                     next
[18:00:58.148]                   args[[name]] <- ""
[18:00:58.148]                 }
[18:00:58.148]                 NAMES <- toupper(removed)
[18:00:58.148]                 for (kk in seq_along(NAMES)) {
[18:00:58.148]                   name <- removed[[kk]]
[18:00:58.148]                   NAME <- NAMES[[kk]]
[18:00:58.148]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.148]                     next
[18:00:58.148]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.148]                 }
[18:00:58.148]                 if (length(args) > 0) 
[18:00:58.148]                   base::do.call(base::Sys.setenv, args = args)
[18:00:58.148]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:00:58.148]             }
[18:00:58.148]             else {
[18:00:58.148]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:00:58.148]             }
[18:00:58.148]             {
[18:00:58.148]                 if (base::length(...future.futureOptionsAdded) > 
[18:00:58.148]                   0L) {
[18:00:58.148]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:00:58.148]                   base::names(opts) <- ...future.futureOptionsAdded
[18:00:58.148]                   base::options(opts)
[18:00:58.148]                 }
[18:00:58.148]                 {
[18:00:58.148]                   {
[18:00:58.148]                     NULL
[18:00:58.148]                     RNGkind("Mersenne-Twister")
[18:00:58.148]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:00:58.148]                       inherits = FALSE)
[18:00:58.148]                   }
[18:00:58.148]                   options(future.plan = NULL)
[18:00:58.148]                   if (is.na(NA_character_)) 
[18:00:58.148]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.148]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:00:58.148]                   future::plan(list(function (..., envir = parent.frame()) 
[18:00:58.148]                   {
[18:00:58.148]                     future <- SequentialFuture(..., envir = envir)
[18:00:58.148]                     if (!future$lazy) 
[18:00:58.148]                       future <- run(future)
[18:00:58.148]                     invisible(future)
[18:00:58.148]                   }), .cleanup = FALSE, .init = FALSE)
[18:00:58.148]                 }
[18:00:58.148]             }
[18:00:58.148]         }
[18:00:58.148]     })
[18:00:58.148]     if (TRUE) {
[18:00:58.148]         base::sink(type = "output", split = FALSE)
[18:00:58.148]         if (TRUE) {
[18:00:58.148]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:00:58.148]         }
[18:00:58.148]         else {
[18:00:58.148]             ...future.result["stdout"] <- base::list(NULL)
[18:00:58.148]         }
[18:00:58.148]         base::close(...future.stdout)
[18:00:58.148]         ...future.stdout <- NULL
[18:00:58.148]     }
[18:00:58.148]     ...future.result$conditions <- ...future.conditions
[18:00:58.148]     ...future.result$finished <- base::Sys.time()
[18:00:58.148]     ...future.result
[18:00:58.148] }
[18:00:58.152] plan(): Setting new future strategy stack:
[18:00:58.152] List of future strategies:
[18:00:58.152] 1. sequential:
[18:00:58.152]    - args: function (..., envir = parent.frame())
[18:00:58.152]    - tweaked: FALSE
[18:00:58.152]    - call: NULL
[18:00:58.153] plan(): nbrOfWorkers() = 1
[18:00:58.154] plan(): Setting new future strategy stack:
[18:00:58.154] List of future strategies:
[18:00:58.154] 1. sequential:
[18:00:58.154]    - args: function (..., envir = parent.frame())
[18:00:58.154]    - tweaked: FALSE
[18:00:58.154]    - call: future::plan("sequential")
[18:00:58.155] plan(): nbrOfWorkers() = 1
[18:00:58.155] SequentialFuture started (and completed)
[18:00:58.155] signalConditions() ...
[18:00:58.155]  - include = 'immediateCondition'
[18:00:58.155]  - exclude = 
[18:00:58.156]  - resignal = FALSE
[18:00:58.156]  - Number of conditions: 1
[18:00:58.156] signalConditions() ... done
[18:00:58.156] - Launch lazy future ... done
[18:00:58.156] run() for 'SequentialFuture' ... done
> calls <- backtrace(env[["b"]])
[18:00:58.157] resolved() for 'SequentialFuture' ...
[18:00:58.157] - state: 'finished'
[18:00:58.157] - run: TRUE
[18:00:58.157] - result: 'FutureResult'
[18:00:58.157] resolved() for 'SequentialFuture' ... done
> print(calls)
[[1]]
env[["b"]] %<-% {
    42L
    stop("Woops")
}

[[2]]
futureAssignInternal(target, expr, envir = envir, substitute = FALSE)

[[3]]
futureAssign(name, expr, envir = envir, assign.env = assign.env, 
    substitute = FALSE)

[[4]]
do.call(future::future, args = future.args, envir = assign.env)

[[5]]
(function (expr, envir = parent.frame(), substitute = TRUE, lazy = FALSE, 
    seed = FALSE, globals = TRUE, packages = NULL, stdout = TRUE, 
    conditions = "condition", earlySignal = FALSE, label = NULL, 
    gc = FALSE, ...) 
{
    if (substitute) 
        expr <- substitute(expr)
    t_start <- Sys.time()
    gp <- getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression, 
        globals = globals)
    expr <- gp$expr
    globals <- gp$globals
    if (length(packages) > 0 || length(gp$packages) > 0) {
        packages <- unique(c(gp$packages, packages))
    }
    gp <- NULL
    attr(globals, "already-done") <- TRUE
    future <- Future(expr, substitute = FALSE, envir = envir, 
        lazy = TRUE, seed = seed, globals = globals, packages = packages, 
        stdout = stdout, conditions = conditions, earlySignal = earlySignal, 
        label = label, gc = gc, ...)
    future$.defaultLocal <- !is.element("local", names(list(...)))
    if (getOption("future.journal", FALSE)) {
        future <- makeFutureJournal(future, event = "create", 
            category = "overhead", start = t_start)
    }
    if (!lazy) {
        future <- run(future)
        future$lazy <- FALSE
        stop_if_not(inherits(future, "Future"), !future$lazy)
    }
    future
})({
    42L
    stop("Woops")
}, envir = <environment>, lazy = FALSE, seed = FALSE, globals = TRUE, 
    packages = NULL, stdout = TRUE, conditions = "condition", 
    earlySignal = FALSE, label = NULL, gc = FALSE)

[[6]]
Future(expr, substitute = FALSE, envir = envir, lazy = TRUE, 
    seed = seed, globals = globals, packages = packages, stdout = stdout, 
    conditions = conditions, earlySignal = earlySignal, label = label, 
    gc = gc, ...)

[[7]]
eval(quote({
    42L
    stop("Woops")
}), new.env())

[[8]]
stop("Woops")

[[9]]
eval(quote({
    42L
    stop("Woops")
}), new.env())

> stopifnot(is.list(calls))
> 
> lenv <- listenv::listenv()
> lenv[[1]] %<-% { 42L; stop("Woops") }
[18:00:58.159] getGlobalsAndPackages() ...
[18:00:58.159] Searching for globals...
[18:00:58.160] - globals found: [2] '{', 'stop'
[18:00:58.161] Searching for globals ... DONE
[18:00:58.161] Resolving globals: FALSE
[18:00:58.161] 
[18:00:58.161] 
[18:00:58.162] getGlobalsAndPackages() ... DONE
[18:00:58.162] run() for 'Future' ...
[18:00:58.162] - state: 'created'
[18:00:58.162] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:00:58.163] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:00:58.163] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:00:58.163]   - Field: 'label'
[18:00:58.163]   - Field: 'local'
[18:00:58.163]   - Field: 'owner'
[18:00:58.164]   - Field: 'envir'
[18:00:58.164]   - Field: 'packages'
[18:00:58.164]   - Field: 'gc'
[18:00:58.164]   - Field: 'conditions'
[18:00:58.164]   - Field: 'expr'
[18:00:58.165]   - Field: 'uuid'
[18:00:58.165]   - Field: 'seed'
[18:00:58.165]   - Field: 'version'
[18:00:58.165]   - Field: 'result'
[18:00:58.165]   - Field: 'asynchronous'
[18:00:58.165]   - Field: 'calls'
[18:00:58.166]   - Field: 'globals'
[18:00:58.166]   - Field: 'stdout'
[18:00:58.167]   - Field: 'earlySignal'
[18:00:58.167]   - Field: 'lazy'
[18:00:58.167]   - Field: 'state'
[18:00:58.167] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:00:58.168] - Launch lazy future ...
[18:00:58.168] Packages needed by the future expression (n = 0): <none>
[18:00:58.168] Packages needed by future strategies (n = 0): <none>
[18:00:58.169] {
[18:00:58.169]     {
[18:00:58.169]         {
[18:00:58.169]             ...future.startTime <- base::Sys.time()
[18:00:58.169]             {
[18:00:58.169]                 {
[18:00:58.169]                   {
[18:00:58.169]                     base::local({
[18:00:58.169]                       has_future <- base::requireNamespace("future", 
[18:00:58.169]                         quietly = TRUE)
[18:00:58.169]                       if (has_future) {
[18:00:58.169]                         ns <- base::getNamespace("future")
[18:00:58.169]                         version <- ns[[".package"]][["version"]]
[18:00:58.169]                         if (is.null(version)) 
[18:00:58.169]                           version <- utils::packageVersion("future")
[18:00:58.169]                       }
[18:00:58.169]                       else {
[18:00:58.169]                         version <- NULL
[18:00:58.169]                       }
[18:00:58.169]                       if (!has_future || version < "1.8.0") {
[18:00:58.169]                         info <- base::c(r_version = base::gsub("R version ", 
[18:00:58.169]                           "", base::R.version$version.string), 
[18:00:58.169]                           platform = base::sprintf("%s (%s-bit)", 
[18:00:58.169]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:00:58.169]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:00:58.169]                             "release", "version")], collapse = " "), 
[18:00:58.169]                           hostname = base::Sys.info()[["nodename"]])
[18:00:58.169]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:00:58.169]                           info)
[18:00:58.169]                         info <- base::paste(info, collapse = "; ")
[18:00:58.169]                         if (!has_future) {
[18:00:58.169]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:00:58.169]                             info)
[18:00:58.169]                         }
[18:00:58.169]                         else {
[18:00:58.169]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:00:58.169]                             info, version)
[18:00:58.169]                         }
[18:00:58.169]                         base::stop(msg)
[18:00:58.169]                       }
[18:00:58.169]                     })
[18:00:58.169]                   }
[18:00:58.169]                   options(future.plan = NULL)
[18:00:58.169]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.169]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:00:58.169]                 }
[18:00:58.169]                 ...future.workdir <- getwd()
[18:00:58.169]             }
[18:00:58.169]             ...future.oldOptions <- base::as.list(base::.Options)
[18:00:58.169]             ...future.oldEnvVars <- base::Sys.getenv()
[18:00:58.169]         }
[18:00:58.169]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:00:58.169]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:00:58.169]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:00:58.169]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:00:58.169]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:00:58.169]             future.stdout.windows.reencode = NULL, width = 80L)
[18:00:58.169]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:00:58.169]             base::names(...future.oldOptions))
[18:00:58.169]     }
[18:00:58.169]     if (FALSE) {
[18:00:58.169]     }
[18:00:58.169]     else {
[18:00:58.169]         if (TRUE) {
[18:00:58.169]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:00:58.169]                 open = "w")
[18:00:58.169]         }
[18:00:58.169]         else {
[18:00:58.169]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:00:58.169]                 windows = "NUL", "/dev/null"), open = "w")
[18:00:58.169]         }
[18:00:58.169]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:00:58.169]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:00:58.169]             base::sink(type = "output", split = FALSE)
[18:00:58.169]             base::close(...future.stdout)
[18:00:58.169]         }, add = TRUE)
[18:00:58.169]     }
[18:00:58.169]     ...future.frame <- base::sys.nframe()
[18:00:58.169]     ...future.conditions <- base::list()
[18:00:58.169]     ...future.rng <- base::globalenv()$.Random.seed
[18:00:58.169]     if (FALSE) {
[18:00:58.169]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:00:58.169]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:00:58.169]     }
[18:00:58.169]     ...future.result <- base::tryCatch({
[18:00:58.169]         base::withCallingHandlers({
[18:00:58.169]             ...future.value <- base::withVisible(base::local({
[18:00:58.169]                 42L
[18:00:58.169]                 stop("Woops")
[18:00:58.169]             }))
[18:00:58.169]             future::FutureResult(value = ...future.value$value, 
[18:00:58.169]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.169]                   ...future.rng), globalenv = if (FALSE) 
[18:00:58.169]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:00:58.169]                     ...future.globalenv.names))
[18:00:58.169]                 else NULL, started = ...future.startTime, version = "1.8")
[18:00:58.169]         }, condition = base::local({
[18:00:58.169]             c <- base::c
[18:00:58.169]             inherits <- base::inherits
[18:00:58.169]             invokeRestart <- base::invokeRestart
[18:00:58.169]             length <- base::length
[18:00:58.169]             list <- base::list
[18:00:58.169]             seq.int <- base::seq.int
[18:00:58.169]             signalCondition <- base::signalCondition
[18:00:58.169]             sys.calls <- base::sys.calls
[18:00:58.169]             `[[` <- base::`[[`
[18:00:58.169]             `+` <- base::`+`
[18:00:58.169]             `<<-` <- base::`<<-`
[18:00:58.169]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:00:58.169]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:00:58.169]                   3L)]
[18:00:58.169]             }
[18:00:58.169]             function(cond) {
[18:00:58.169]                 is_error <- inherits(cond, "error")
[18:00:58.169]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:00:58.169]                   NULL)
[18:00:58.169]                 if (is_error) {
[18:00:58.169]                   sessionInformation <- function() {
[18:00:58.169]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:00:58.169]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:00:58.169]                       search = base::search(), system = base::Sys.info())
[18:00:58.169]                   }
[18:00:58.169]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.169]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:00:58.169]                     cond$call), session = sessionInformation(), 
[18:00:58.169]                     timestamp = base::Sys.time(), signaled = 0L)
[18:00:58.169]                   signalCondition(cond)
[18:00:58.169]                 }
[18:00:58.169]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:00:58.169]                 "immediateCondition"))) {
[18:00:58.169]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:00:58.169]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.169]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:00:58.169]                   if (TRUE && !signal) {
[18:00:58.169]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.169]                     {
[18:00:58.169]                       inherits <- base::inherits
[18:00:58.169]                       invokeRestart <- base::invokeRestart
[18:00:58.169]                       is.null <- base::is.null
[18:00:58.169]                       muffled <- FALSE
[18:00:58.169]                       if (inherits(cond, "message")) {
[18:00:58.169]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.169]                         if (muffled) 
[18:00:58.169]                           invokeRestart("muffleMessage")
[18:00:58.169]                       }
[18:00:58.169]                       else if (inherits(cond, "warning")) {
[18:00:58.169]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.169]                         if (muffled) 
[18:00:58.169]                           invokeRestart("muffleWarning")
[18:00:58.169]                       }
[18:00:58.169]                       else if (inherits(cond, "condition")) {
[18:00:58.169]                         if (!is.null(pattern)) {
[18:00:58.169]                           computeRestarts <- base::computeRestarts
[18:00:58.169]                           grepl <- base::grepl
[18:00:58.169]                           restarts <- computeRestarts(cond)
[18:00:58.169]                           for (restart in restarts) {
[18:00:58.169]                             name <- restart$name
[18:00:58.169]                             if (is.null(name)) 
[18:00:58.169]                               next
[18:00:58.169]                             if (!grepl(pattern, name)) 
[18:00:58.169]                               next
[18:00:58.169]                             invokeRestart(restart)
[18:00:58.169]                             muffled <- TRUE
[18:00:58.169]                             break
[18:00:58.169]                           }
[18:00:58.169]                         }
[18:00:58.169]                       }
[18:00:58.169]                       invisible(muffled)
[18:00:58.169]                     }
[18:00:58.169]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.169]                   }
[18:00:58.169]                 }
[18:00:58.169]                 else {
[18:00:58.169]                   if (TRUE) {
[18:00:58.169]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.169]                     {
[18:00:58.169]                       inherits <- base::inherits
[18:00:58.169]                       invokeRestart <- base::invokeRestart
[18:00:58.169]                       is.null <- base::is.null
[18:00:58.169]                       muffled <- FALSE
[18:00:58.169]                       if (inherits(cond, "message")) {
[18:00:58.169]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.169]                         if (muffled) 
[18:00:58.169]                           invokeRestart("muffleMessage")
[18:00:58.169]                       }
[18:00:58.169]                       else if (inherits(cond, "warning")) {
[18:00:58.169]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.169]                         if (muffled) 
[18:00:58.169]                           invokeRestart("muffleWarning")
[18:00:58.169]                       }
[18:00:58.169]                       else if (inherits(cond, "condition")) {
[18:00:58.169]                         if (!is.null(pattern)) {
[18:00:58.169]                           computeRestarts <- base::computeRestarts
[18:00:58.169]                           grepl <- base::grepl
[18:00:58.169]                           restarts <- computeRestarts(cond)
[18:00:58.169]                           for (restart in restarts) {
[18:00:58.169]                             name <- restart$name
[18:00:58.169]                             if (is.null(name)) 
[18:00:58.169]                               next
[18:00:58.169]                             if (!grepl(pattern, name)) 
[18:00:58.169]                               next
[18:00:58.169]                             invokeRestart(restart)
[18:00:58.169]                             muffled <- TRUE
[18:00:58.169]                             break
[18:00:58.169]                           }
[18:00:58.169]                         }
[18:00:58.169]                       }
[18:00:58.169]                       invisible(muffled)
[18:00:58.169]                     }
[18:00:58.169]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.169]                   }
[18:00:58.169]                 }
[18:00:58.169]             }
[18:00:58.169]         }))
[18:00:58.169]     }, error = function(ex) {
[18:00:58.169]         base::structure(base::list(value = NULL, visible = NULL, 
[18:00:58.169]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.169]                 ...future.rng), started = ...future.startTime, 
[18:00:58.169]             finished = Sys.time(), session_uuid = NA_character_, 
[18:00:58.169]             version = "1.8"), class = "FutureResult")
[18:00:58.169]     }, finally = {
[18:00:58.169]         if (!identical(...future.workdir, getwd())) 
[18:00:58.169]             setwd(...future.workdir)
[18:00:58.169]         {
[18:00:58.169]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:00:58.169]                 ...future.oldOptions$nwarnings <- NULL
[18:00:58.169]             }
[18:00:58.169]             base::options(...future.oldOptions)
[18:00:58.169]             if (.Platform$OS.type == "windows") {
[18:00:58.169]                 old_names <- names(...future.oldEnvVars)
[18:00:58.169]                 envs <- base::Sys.getenv()
[18:00:58.169]                 names <- names(envs)
[18:00:58.169]                 common <- intersect(names, old_names)
[18:00:58.169]                 added <- setdiff(names, old_names)
[18:00:58.169]                 removed <- setdiff(old_names, names)
[18:00:58.169]                 changed <- common[...future.oldEnvVars[common] != 
[18:00:58.169]                   envs[common]]
[18:00:58.169]                 NAMES <- toupper(changed)
[18:00:58.169]                 args <- list()
[18:00:58.169]                 for (kk in seq_along(NAMES)) {
[18:00:58.169]                   name <- changed[[kk]]
[18:00:58.169]                   NAME <- NAMES[[kk]]
[18:00:58.169]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.169]                     next
[18:00:58.169]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.169]                 }
[18:00:58.169]                 NAMES <- toupper(added)
[18:00:58.169]                 for (kk in seq_along(NAMES)) {
[18:00:58.169]                   name <- added[[kk]]
[18:00:58.169]                   NAME <- NAMES[[kk]]
[18:00:58.169]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.169]                     next
[18:00:58.169]                   args[[name]] <- ""
[18:00:58.169]                 }
[18:00:58.169]                 NAMES <- toupper(removed)
[18:00:58.169]                 for (kk in seq_along(NAMES)) {
[18:00:58.169]                   name <- removed[[kk]]
[18:00:58.169]                   NAME <- NAMES[[kk]]
[18:00:58.169]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.169]                     next
[18:00:58.169]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.169]                 }
[18:00:58.169]                 if (length(args) > 0) 
[18:00:58.169]                   base::do.call(base::Sys.setenv, args = args)
[18:00:58.169]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:00:58.169]             }
[18:00:58.169]             else {
[18:00:58.169]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:00:58.169]             }
[18:00:58.169]             {
[18:00:58.169]                 if (base::length(...future.futureOptionsAdded) > 
[18:00:58.169]                   0L) {
[18:00:58.169]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:00:58.169]                   base::names(opts) <- ...future.futureOptionsAdded
[18:00:58.169]                   base::options(opts)
[18:00:58.169]                 }
[18:00:58.169]                 {
[18:00:58.169]                   {
[18:00:58.169]                     NULL
[18:00:58.169]                     RNGkind("Mersenne-Twister")
[18:00:58.169]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:00:58.169]                       inherits = FALSE)
[18:00:58.169]                   }
[18:00:58.169]                   options(future.plan = NULL)
[18:00:58.169]                   if (is.na(NA_character_)) 
[18:00:58.169]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.169]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:00:58.169]                   future::plan(list(function (..., envir = parent.frame()) 
[18:00:58.169]                   {
[18:00:58.169]                     future <- SequentialFuture(..., envir = envir)
[18:00:58.169]                     if (!future$lazy) 
[18:00:58.169]                       future <- run(future)
[18:00:58.169]                     invisible(future)
[18:00:58.169]                   }), .cleanup = FALSE, .init = FALSE)
[18:00:58.169]                 }
[18:00:58.169]             }
[18:00:58.169]         }
[18:00:58.169]     })
[18:00:58.169]     if (TRUE) {
[18:00:58.169]         base::sink(type = "output", split = FALSE)
[18:00:58.169]         if (TRUE) {
[18:00:58.169]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:00:58.169]         }
[18:00:58.169]         else {
[18:00:58.169]             ...future.result["stdout"] <- base::list(NULL)
[18:00:58.169]         }
[18:00:58.169]         base::close(...future.stdout)
[18:00:58.169]         ...future.stdout <- NULL
[18:00:58.169]     }
[18:00:58.169]     ...future.result$conditions <- ...future.conditions
[18:00:58.169]     ...future.result$finished <- base::Sys.time()
[18:00:58.169]     ...future.result
[18:00:58.169] }
[18:00:58.173] plan(): Setting new future strategy stack:
[18:00:58.173] List of future strategies:
[18:00:58.173] 1. sequential:
[18:00:58.173]    - args: function (..., envir = parent.frame())
[18:00:58.173]    - tweaked: FALSE
[18:00:58.173]    - call: NULL
[18:00:58.173] plan(): nbrOfWorkers() = 1
[18:00:58.174] plan(): Setting new future strategy stack:
[18:00:58.175] List of future strategies:
[18:00:58.175] 1. sequential:
[18:00:58.175]    - args: function (..., envir = parent.frame())
[18:00:58.175]    - tweaked: FALSE
[18:00:58.175]    - call: future::plan("sequential")
[18:00:58.175] plan(): nbrOfWorkers() = 1
[18:00:58.175] SequentialFuture started (and completed)
[18:00:58.176] signalConditions() ...
[18:00:58.176]  - include = 'immediateCondition'
[18:00:58.176]  - exclude = 
[18:00:58.176]  - resignal = FALSE
[18:00:58.176]  - Number of conditions: 1
[18:00:58.176] signalConditions() ... done
[18:00:58.177] - Launch lazy future ... done
[18:00:58.177] run() for 'SequentialFuture' ... done
> lenv[[2]] %<-% { 42L; stop("Woops") }
[18:00:58.177] getGlobalsAndPackages() ...
[18:00:58.177] Searching for globals...
[18:00:58.179] - globals found: [2] '{', 'stop'
[18:00:58.179] Searching for globals ... DONE
[18:00:58.179] Resolving globals: FALSE
[18:00:58.179] 
[18:00:58.180] 
[18:00:58.180] getGlobalsAndPackages() ... DONE
[18:00:58.180] run() for 'Future' ...
[18:00:58.180] - state: 'created'
[18:00:58.180] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:00:58.181] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:00:58.181] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:00:58.181]   - Field: 'label'
[18:00:58.181]   - Field: 'local'
[18:00:58.181]   - Field: 'owner'
[18:00:58.182]   - Field: 'envir'
[18:00:58.182]   - Field: 'packages'
[18:00:58.182]   - Field: 'gc'
[18:00:58.182]   - Field: 'conditions'
[18:00:58.182]   - Field: 'expr'
[18:00:58.183]   - Field: 'uuid'
[18:00:58.183]   - Field: 'seed'
[18:00:58.183]   - Field: 'version'
[18:00:58.183]   - Field: 'result'
[18:00:58.183]   - Field: 'asynchronous'
[18:00:58.183]   - Field: 'calls'
[18:00:58.184]   - Field: 'globals'
[18:00:58.184]   - Field: 'stdout'
[18:00:58.184]   - Field: 'earlySignal'
[18:00:58.184]   - Field: 'lazy'
[18:00:58.184]   - Field: 'state'
[18:00:58.184] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:00:58.185] - Launch lazy future ...
[18:00:58.185] Packages needed by the future expression (n = 0): <none>
[18:00:58.185] Packages needed by future strategies (n = 0): <none>
[18:00:58.186] {
[18:00:58.186]     {
[18:00:58.186]         {
[18:00:58.186]             ...future.startTime <- base::Sys.time()
[18:00:58.186]             {
[18:00:58.186]                 {
[18:00:58.186]                   {
[18:00:58.186]                     base::local({
[18:00:58.186]                       has_future <- base::requireNamespace("future", 
[18:00:58.186]                         quietly = TRUE)
[18:00:58.186]                       if (has_future) {
[18:00:58.186]                         ns <- base::getNamespace("future")
[18:00:58.186]                         version <- ns[[".package"]][["version"]]
[18:00:58.186]                         if (is.null(version)) 
[18:00:58.186]                           version <- utils::packageVersion("future")
[18:00:58.186]                       }
[18:00:58.186]                       else {
[18:00:58.186]                         version <- NULL
[18:00:58.186]                       }
[18:00:58.186]                       if (!has_future || version < "1.8.0") {
[18:00:58.186]                         info <- base::c(r_version = base::gsub("R version ", 
[18:00:58.186]                           "", base::R.version$version.string), 
[18:00:58.186]                           platform = base::sprintf("%s (%s-bit)", 
[18:00:58.186]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:00:58.186]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:00:58.186]                             "release", "version")], collapse = " "), 
[18:00:58.186]                           hostname = base::Sys.info()[["nodename"]])
[18:00:58.186]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:00:58.186]                           info)
[18:00:58.186]                         info <- base::paste(info, collapse = "; ")
[18:00:58.186]                         if (!has_future) {
[18:00:58.186]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:00:58.186]                             info)
[18:00:58.186]                         }
[18:00:58.186]                         else {
[18:00:58.186]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:00:58.186]                             info, version)
[18:00:58.186]                         }
[18:00:58.186]                         base::stop(msg)
[18:00:58.186]                       }
[18:00:58.186]                     })
[18:00:58.186]                   }
[18:00:58.186]                   options(future.plan = NULL)
[18:00:58.186]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.186]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:00:58.186]                 }
[18:00:58.186]                 ...future.workdir <- getwd()
[18:00:58.186]             }
[18:00:58.186]             ...future.oldOptions <- base::as.list(base::.Options)
[18:00:58.186]             ...future.oldEnvVars <- base::Sys.getenv()
[18:00:58.186]         }
[18:00:58.186]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:00:58.186]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:00:58.186]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:00:58.186]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:00:58.186]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:00:58.186]             future.stdout.windows.reencode = NULL, width = 80L)
[18:00:58.186]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:00:58.186]             base::names(...future.oldOptions))
[18:00:58.186]     }
[18:00:58.186]     if (FALSE) {
[18:00:58.186]     }
[18:00:58.186]     else {
[18:00:58.186]         if (TRUE) {
[18:00:58.186]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:00:58.186]                 open = "w")
[18:00:58.186]         }
[18:00:58.186]         else {
[18:00:58.186]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:00:58.186]                 windows = "NUL", "/dev/null"), open = "w")
[18:00:58.186]         }
[18:00:58.186]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:00:58.186]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:00:58.186]             base::sink(type = "output", split = FALSE)
[18:00:58.186]             base::close(...future.stdout)
[18:00:58.186]         }, add = TRUE)
[18:00:58.186]     }
[18:00:58.186]     ...future.frame <- base::sys.nframe()
[18:00:58.186]     ...future.conditions <- base::list()
[18:00:58.186]     ...future.rng <- base::globalenv()$.Random.seed
[18:00:58.186]     if (FALSE) {
[18:00:58.186]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:00:58.186]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:00:58.186]     }
[18:00:58.186]     ...future.result <- base::tryCatch({
[18:00:58.186]         base::withCallingHandlers({
[18:00:58.186]             ...future.value <- base::withVisible(base::local({
[18:00:58.186]                 42L
[18:00:58.186]                 stop("Woops")
[18:00:58.186]             }))
[18:00:58.186]             future::FutureResult(value = ...future.value$value, 
[18:00:58.186]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.186]                   ...future.rng), globalenv = if (FALSE) 
[18:00:58.186]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:00:58.186]                     ...future.globalenv.names))
[18:00:58.186]                 else NULL, started = ...future.startTime, version = "1.8")
[18:00:58.186]         }, condition = base::local({
[18:00:58.186]             c <- base::c
[18:00:58.186]             inherits <- base::inherits
[18:00:58.186]             invokeRestart <- base::invokeRestart
[18:00:58.186]             length <- base::length
[18:00:58.186]             list <- base::list
[18:00:58.186]             seq.int <- base::seq.int
[18:00:58.186]             signalCondition <- base::signalCondition
[18:00:58.186]             sys.calls <- base::sys.calls
[18:00:58.186]             `[[` <- base::`[[`
[18:00:58.186]             `+` <- base::`+`
[18:00:58.186]             `<<-` <- base::`<<-`
[18:00:58.186]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:00:58.186]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:00:58.186]                   3L)]
[18:00:58.186]             }
[18:00:58.186]             function(cond) {
[18:00:58.186]                 is_error <- inherits(cond, "error")
[18:00:58.186]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:00:58.186]                   NULL)
[18:00:58.186]                 if (is_error) {
[18:00:58.186]                   sessionInformation <- function() {
[18:00:58.186]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:00:58.186]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:00:58.186]                       search = base::search(), system = base::Sys.info())
[18:00:58.186]                   }
[18:00:58.186]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.186]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:00:58.186]                     cond$call), session = sessionInformation(), 
[18:00:58.186]                     timestamp = base::Sys.time(), signaled = 0L)
[18:00:58.186]                   signalCondition(cond)
[18:00:58.186]                 }
[18:00:58.186]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:00:58.186]                 "immediateCondition"))) {
[18:00:58.186]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:00:58.186]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.186]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:00:58.186]                   if (TRUE && !signal) {
[18:00:58.186]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.186]                     {
[18:00:58.186]                       inherits <- base::inherits
[18:00:58.186]                       invokeRestart <- base::invokeRestart
[18:00:58.186]                       is.null <- base::is.null
[18:00:58.186]                       muffled <- FALSE
[18:00:58.186]                       if (inherits(cond, "message")) {
[18:00:58.186]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.186]                         if (muffled) 
[18:00:58.186]                           invokeRestart("muffleMessage")
[18:00:58.186]                       }
[18:00:58.186]                       else if (inherits(cond, "warning")) {
[18:00:58.186]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.186]                         if (muffled) 
[18:00:58.186]                           invokeRestart("muffleWarning")
[18:00:58.186]                       }
[18:00:58.186]                       else if (inherits(cond, "condition")) {
[18:00:58.186]                         if (!is.null(pattern)) {
[18:00:58.186]                           computeRestarts <- base::computeRestarts
[18:00:58.186]                           grepl <- base::grepl
[18:00:58.186]                           restarts <- computeRestarts(cond)
[18:00:58.186]                           for (restart in restarts) {
[18:00:58.186]                             name <- restart$name
[18:00:58.186]                             if (is.null(name)) 
[18:00:58.186]                               next
[18:00:58.186]                             if (!grepl(pattern, name)) 
[18:00:58.186]                               next
[18:00:58.186]                             invokeRestart(restart)
[18:00:58.186]                             muffled <- TRUE
[18:00:58.186]                             break
[18:00:58.186]                           }
[18:00:58.186]                         }
[18:00:58.186]                       }
[18:00:58.186]                       invisible(muffled)
[18:00:58.186]                     }
[18:00:58.186]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.186]                   }
[18:00:58.186]                 }
[18:00:58.186]                 else {
[18:00:58.186]                   if (TRUE) {
[18:00:58.186]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.186]                     {
[18:00:58.186]                       inherits <- base::inherits
[18:00:58.186]                       invokeRestart <- base::invokeRestart
[18:00:58.186]                       is.null <- base::is.null
[18:00:58.186]                       muffled <- FALSE
[18:00:58.186]                       if (inherits(cond, "message")) {
[18:00:58.186]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.186]                         if (muffled) 
[18:00:58.186]                           invokeRestart("muffleMessage")
[18:00:58.186]                       }
[18:00:58.186]                       else if (inherits(cond, "warning")) {
[18:00:58.186]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.186]                         if (muffled) 
[18:00:58.186]                           invokeRestart("muffleWarning")
[18:00:58.186]                       }
[18:00:58.186]                       else if (inherits(cond, "condition")) {
[18:00:58.186]                         if (!is.null(pattern)) {
[18:00:58.186]                           computeRestarts <- base::computeRestarts
[18:00:58.186]                           grepl <- base::grepl
[18:00:58.186]                           restarts <- computeRestarts(cond)
[18:00:58.186]                           for (restart in restarts) {
[18:00:58.186]                             name <- restart$name
[18:00:58.186]                             if (is.null(name)) 
[18:00:58.186]                               next
[18:00:58.186]                             if (!grepl(pattern, name)) 
[18:00:58.186]                               next
[18:00:58.186]                             invokeRestart(restart)
[18:00:58.186]                             muffled <- TRUE
[18:00:58.186]                             break
[18:00:58.186]                           }
[18:00:58.186]                         }
[18:00:58.186]                       }
[18:00:58.186]                       invisible(muffled)
[18:00:58.186]                     }
[18:00:58.186]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.186]                   }
[18:00:58.186]                 }
[18:00:58.186]             }
[18:00:58.186]         }))
[18:00:58.186]     }, error = function(ex) {
[18:00:58.186]         base::structure(base::list(value = NULL, visible = NULL, 
[18:00:58.186]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.186]                 ...future.rng), started = ...future.startTime, 
[18:00:58.186]             finished = Sys.time(), session_uuid = NA_character_, 
[18:00:58.186]             version = "1.8"), class = "FutureResult")
[18:00:58.186]     }, finally = {
[18:00:58.186]         if (!identical(...future.workdir, getwd())) 
[18:00:58.186]             setwd(...future.workdir)
[18:00:58.186]         {
[18:00:58.186]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:00:58.186]                 ...future.oldOptions$nwarnings <- NULL
[18:00:58.186]             }
[18:00:58.186]             base::options(...future.oldOptions)
[18:00:58.186]             if (.Platform$OS.type == "windows") {
[18:00:58.186]                 old_names <- names(...future.oldEnvVars)
[18:00:58.186]                 envs <- base::Sys.getenv()
[18:00:58.186]                 names <- names(envs)
[18:00:58.186]                 common <- intersect(names, old_names)
[18:00:58.186]                 added <- setdiff(names, old_names)
[18:00:58.186]                 removed <- setdiff(old_names, names)
[18:00:58.186]                 changed <- common[...future.oldEnvVars[common] != 
[18:00:58.186]                   envs[common]]
[18:00:58.186]                 NAMES <- toupper(changed)
[18:00:58.186]                 args <- list()
[18:00:58.186]                 for (kk in seq_along(NAMES)) {
[18:00:58.186]                   name <- changed[[kk]]
[18:00:58.186]                   NAME <- NAMES[[kk]]
[18:00:58.186]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.186]                     next
[18:00:58.186]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.186]                 }
[18:00:58.186]                 NAMES <- toupper(added)
[18:00:58.186]                 for (kk in seq_along(NAMES)) {
[18:00:58.186]                   name <- added[[kk]]
[18:00:58.186]                   NAME <- NAMES[[kk]]
[18:00:58.186]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.186]                     next
[18:00:58.186]                   args[[name]] <- ""
[18:00:58.186]                 }
[18:00:58.186]                 NAMES <- toupper(removed)
[18:00:58.186]                 for (kk in seq_along(NAMES)) {
[18:00:58.186]                   name <- removed[[kk]]
[18:00:58.186]                   NAME <- NAMES[[kk]]
[18:00:58.186]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.186]                     next
[18:00:58.186]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.186]                 }
[18:00:58.186]                 if (length(args) > 0) 
[18:00:58.186]                   base::do.call(base::Sys.setenv, args = args)
[18:00:58.186]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:00:58.186]             }
[18:00:58.186]             else {
[18:00:58.186]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:00:58.186]             }
[18:00:58.186]             {
[18:00:58.186]                 if (base::length(...future.futureOptionsAdded) > 
[18:00:58.186]                   0L) {
[18:00:58.186]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:00:58.186]                   base::names(opts) <- ...future.futureOptionsAdded
[18:00:58.186]                   base::options(opts)
[18:00:58.186]                 }
[18:00:58.186]                 {
[18:00:58.186]                   {
[18:00:58.186]                     NULL
[18:00:58.186]                     RNGkind("Mersenne-Twister")
[18:00:58.186]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:00:58.186]                       inherits = FALSE)
[18:00:58.186]                   }
[18:00:58.186]                   options(future.plan = NULL)
[18:00:58.186]                   if (is.na(NA_character_)) 
[18:00:58.186]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.186]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:00:58.186]                   future::plan(list(function (..., envir = parent.frame()) 
[18:00:58.186]                   {
[18:00:58.186]                     future <- SequentialFuture(..., envir = envir)
[18:00:58.186]                     if (!future$lazy) 
[18:00:58.186]                       future <- run(future)
[18:00:58.186]                     invisible(future)
[18:00:58.186]                   }), .cleanup = FALSE, .init = FALSE)
[18:00:58.186]                 }
[18:00:58.186]             }
[18:00:58.186]         }
[18:00:58.186]     })
[18:00:58.186]     if (TRUE) {
[18:00:58.186]         base::sink(type = "output", split = FALSE)
[18:00:58.186]         if (TRUE) {
[18:00:58.186]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:00:58.186]         }
[18:00:58.186]         else {
[18:00:58.186]             ...future.result["stdout"] <- base::list(NULL)
[18:00:58.186]         }
[18:00:58.186]         base::close(...future.stdout)
[18:00:58.186]         ...future.stdout <- NULL
[18:00:58.186]     }
[18:00:58.186]     ...future.result$conditions <- ...future.conditions
[18:00:58.186]     ...future.result$finished <- base::Sys.time()
[18:00:58.186]     ...future.result
[18:00:58.186] }
[18:00:58.190] plan(): Setting new future strategy stack:
[18:00:58.190] List of future strategies:
[18:00:58.190] 1. sequential:
[18:00:58.190]    - args: function (..., envir = parent.frame())
[18:00:58.190]    - tweaked: FALSE
[18:00:58.190]    - call: NULL
[18:00:58.190] plan(): nbrOfWorkers() = 1
[18:00:58.191] plan(): Setting new future strategy stack:
[18:00:58.192] List of future strategies:
[18:00:58.192] 1. sequential:
[18:00:58.192]    - args: function (..., envir = parent.frame())
[18:00:58.192]    - tweaked: FALSE
[18:00:58.192]    - call: future::plan("sequential")
[18:00:58.192] plan(): nbrOfWorkers() = 1
[18:00:58.192] SequentialFuture started (and completed)
[18:00:58.193] signalConditions() ...
[18:00:58.193]  - include = 'immediateCondition'
[18:00:58.193]  - exclude = 
[18:00:58.193]  - resignal = FALSE
[18:00:58.193]  - Number of conditions: 1
[18:00:58.193] signalConditions() ... done
[18:00:58.194] - Launch lazy future ... done
[18:00:58.194] run() for 'SequentialFuture' ... done
> calls <- backtrace(lenv[[2]])
[18:00:58.194] resolved() for 'SequentialFuture' ...
[18:00:58.194] - state: 'finished'
[18:00:58.195] - run: TRUE
[18:00:58.195] - result: 'FutureResult'
[18:00:58.195] resolved() for 'SequentialFuture' ... done
> print(calls)
[[1]]
lenv[[2]] %<-% {
    42L
    stop("Woops")
}

[[2]]
futureAssignInternal(target, expr, envir = envir, substitute = FALSE)

[[3]]
futureAssign(name, expr, envir = envir, assign.env = assign.env, 
    substitute = FALSE)

[[4]]
do.call(future::future, args = future.args, envir = assign.env)

[[5]]
(function (expr, envir = parent.frame(), substitute = TRUE, lazy = FALSE, 
    seed = FALSE, globals = TRUE, packages = NULL, stdout = TRUE, 
    conditions = "condition", earlySignal = FALSE, label = NULL, 
    gc = FALSE, ...) 
{
    if (substitute) 
        expr <- substitute(expr)
    t_start <- Sys.time()
    gp <- getGlobalsAndPackages(expr, envir = envir, tweak = tweakExpression, 
        globals = globals)
    expr <- gp$expr
    globals <- gp$globals
    if (length(packages) > 0 || length(gp$packages) > 0) {
        packages <- unique(c(gp$packages, packages))
    }
    gp <- NULL
    attr(globals, "already-done") <- TRUE
    future <- Future(expr, substitute = FALSE, envir = envir, 
        lazy = TRUE, seed = seed, globals = globals, packages = packages, 
        stdout = stdout, conditions = conditions, earlySignal = earlySignal, 
        label = label, gc = gc, ...)
    future$.defaultLocal <- !is.element("local", names(list(...)))
    if (getOption("future.journal", FALSE)) {
        future <- makeFutureJournal(future, event = "create", 
            category = "overhead", start = t_start)
    }
    if (!lazy) {
        future <- run(future)
        future$lazy <- FALSE
        stop_if_not(inherits(future, "Future"), !future$lazy)
    }
    future
})({
    42L
    stop("Woops")
}, envir = <environment>, lazy = FALSE, seed = FALSE, globals = TRUE, 
    packages = NULL, stdout = TRUE, conditions = "condition", 
    earlySignal = FALSE, label = NULL, gc = FALSE)

[[6]]
Future(expr, substitute = FALSE, envir = envir, lazy = TRUE, 
    seed = seed, globals = globals, packages = packages, stdout = stdout, 
    conditions = conditions, earlySignal = earlySignal, label = label, 
    gc = gc, ...)

[[7]]
eval(quote({
    42L
    stop("Woops")
}), new.env())

[[8]]
stop("Woops")

[[9]]
eval(quote({
    42L
    stop("Woops")
}), new.env())

> stopifnot(is.list(calls))
> 
> ll <- list()
> ll[[1]] <- future({ 42L; stop("Woops") })
[18:00:58.196] getGlobalsAndPackages() ...
[18:00:58.196] Searching for globals...
[18:00:58.197] - globals found: [2] '{', 'stop'
[18:00:58.197] Searching for globals ... DONE
[18:00:58.198] Resolving globals: FALSE
[18:00:58.198] 
[18:00:58.198] 
[18:00:58.198] getGlobalsAndPackages() ... DONE
[18:00:58.199] run() for 'Future' ...
[18:00:58.199] - state: 'created'
[18:00:58.199] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:00:58.199] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:00:58.200] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:00:58.200]   - Field: 'label'
[18:00:58.200]   - Field: 'local'
[18:00:58.200]   - Field: 'owner'
[18:00:58.200]   - Field: 'envir'
[18:00:58.201]   - Field: 'packages'
[18:00:58.201]   - Field: 'gc'
[18:00:58.201]   - Field: 'conditions'
[18:00:58.201]   - Field: 'expr'
[18:00:58.201]   - Field: 'uuid'
[18:00:58.201]   - Field: 'seed'
[18:00:58.202]   - Field: 'version'
[18:00:58.202]   - Field: 'result'
[18:00:58.202]   - Field: 'asynchronous'
[18:00:58.202]   - Field: 'calls'
[18:00:58.202]   - Field: 'globals'
[18:00:58.202]   - Field: 'stdout'
[18:00:58.203]   - Field: 'earlySignal'
[18:00:58.203]   - Field: 'lazy'
[18:00:58.203]   - Field: 'state'
[18:00:58.203] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:00:58.203] - Launch lazy future ...
[18:00:58.204] Packages needed by the future expression (n = 0): <none>
[18:00:58.204] Packages needed by future strategies (n = 0): <none>
[18:00:58.204] {
[18:00:58.204]     {
[18:00:58.204]         {
[18:00:58.204]             ...future.startTime <- base::Sys.time()
[18:00:58.204]             {
[18:00:58.204]                 {
[18:00:58.204]                   {
[18:00:58.204]                     base::local({
[18:00:58.204]                       has_future <- base::requireNamespace("future", 
[18:00:58.204]                         quietly = TRUE)
[18:00:58.204]                       if (has_future) {
[18:00:58.204]                         ns <- base::getNamespace("future")
[18:00:58.204]                         version <- ns[[".package"]][["version"]]
[18:00:58.204]                         if (is.null(version)) 
[18:00:58.204]                           version <- utils::packageVersion("future")
[18:00:58.204]                       }
[18:00:58.204]                       else {
[18:00:58.204]                         version <- NULL
[18:00:58.204]                       }
[18:00:58.204]                       if (!has_future || version < "1.8.0") {
[18:00:58.204]                         info <- base::c(r_version = base::gsub("R version ", 
[18:00:58.204]                           "", base::R.version$version.string), 
[18:00:58.204]                           platform = base::sprintf("%s (%s-bit)", 
[18:00:58.204]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:00:58.204]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:00:58.204]                             "release", "version")], collapse = " "), 
[18:00:58.204]                           hostname = base::Sys.info()[["nodename"]])
[18:00:58.204]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:00:58.204]                           info)
[18:00:58.204]                         info <- base::paste(info, collapse = "; ")
[18:00:58.204]                         if (!has_future) {
[18:00:58.204]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:00:58.204]                             info)
[18:00:58.204]                         }
[18:00:58.204]                         else {
[18:00:58.204]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:00:58.204]                             info, version)
[18:00:58.204]                         }
[18:00:58.204]                         base::stop(msg)
[18:00:58.204]                       }
[18:00:58.204]                     })
[18:00:58.204]                   }
[18:00:58.204]                   options(future.plan = NULL)
[18:00:58.204]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.204]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:00:58.204]                 }
[18:00:58.204]                 ...future.workdir <- getwd()
[18:00:58.204]             }
[18:00:58.204]             ...future.oldOptions <- base::as.list(base::.Options)
[18:00:58.204]             ...future.oldEnvVars <- base::Sys.getenv()
[18:00:58.204]         }
[18:00:58.204]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:00:58.204]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:00:58.204]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:00:58.204]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:00:58.204]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:00:58.204]             future.stdout.windows.reencode = NULL, width = 80L)
[18:00:58.204]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:00:58.204]             base::names(...future.oldOptions))
[18:00:58.204]     }
[18:00:58.204]     if (FALSE) {
[18:00:58.204]     }
[18:00:58.204]     else {
[18:00:58.204]         if (TRUE) {
[18:00:58.204]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:00:58.204]                 open = "w")
[18:00:58.204]         }
[18:00:58.204]         else {
[18:00:58.204]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:00:58.204]                 windows = "NUL", "/dev/null"), open = "w")
[18:00:58.204]         }
[18:00:58.204]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:00:58.204]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:00:58.204]             base::sink(type = "output", split = FALSE)
[18:00:58.204]             base::close(...future.stdout)
[18:00:58.204]         }, add = TRUE)
[18:00:58.204]     }
[18:00:58.204]     ...future.frame <- base::sys.nframe()
[18:00:58.204]     ...future.conditions <- base::list()
[18:00:58.204]     ...future.rng <- base::globalenv()$.Random.seed
[18:00:58.204]     if (FALSE) {
[18:00:58.204]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:00:58.204]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:00:58.204]     }
[18:00:58.204]     ...future.result <- base::tryCatch({
[18:00:58.204]         base::withCallingHandlers({
[18:00:58.204]             ...future.value <- base::withVisible(base::local({
[18:00:58.204]                 42L
[18:00:58.204]                 stop("Woops")
[18:00:58.204]             }))
[18:00:58.204]             future::FutureResult(value = ...future.value$value, 
[18:00:58.204]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.204]                   ...future.rng), globalenv = if (FALSE) 
[18:00:58.204]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:00:58.204]                     ...future.globalenv.names))
[18:00:58.204]                 else NULL, started = ...future.startTime, version = "1.8")
[18:00:58.204]         }, condition = base::local({
[18:00:58.204]             c <- base::c
[18:00:58.204]             inherits <- base::inherits
[18:00:58.204]             invokeRestart <- base::invokeRestart
[18:00:58.204]             length <- base::length
[18:00:58.204]             list <- base::list
[18:00:58.204]             seq.int <- base::seq.int
[18:00:58.204]             signalCondition <- base::signalCondition
[18:00:58.204]             sys.calls <- base::sys.calls
[18:00:58.204]             `[[` <- base::`[[`
[18:00:58.204]             `+` <- base::`+`
[18:00:58.204]             `<<-` <- base::`<<-`
[18:00:58.204]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:00:58.204]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:00:58.204]                   3L)]
[18:00:58.204]             }
[18:00:58.204]             function(cond) {
[18:00:58.204]                 is_error <- inherits(cond, "error")
[18:00:58.204]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:00:58.204]                   NULL)
[18:00:58.204]                 if (is_error) {
[18:00:58.204]                   sessionInformation <- function() {
[18:00:58.204]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:00:58.204]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:00:58.204]                       search = base::search(), system = base::Sys.info())
[18:00:58.204]                   }
[18:00:58.204]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.204]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:00:58.204]                     cond$call), session = sessionInformation(), 
[18:00:58.204]                     timestamp = base::Sys.time(), signaled = 0L)
[18:00:58.204]                   signalCondition(cond)
[18:00:58.204]                 }
[18:00:58.204]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:00:58.204]                 "immediateCondition"))) {
[18:00:58.204]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:00:58.204]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.204]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:00:58.204]                   if (TRUE && !signal) {
[18:00:58.204]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.204]                     {
[18:00:58.204]                       inherits <- base::inherits
[18:00:58.204]                       invokeRestart <- base::invokeRestart
[18:00:58.204]                       is.null <- base::is.null
[18:00:58.204]                       muffled <- FALSE
[18:00:58.204]                       if (inherits(cond, "message")) {
[18:00:58.204]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.204]                         if (muffled) 
[18:00:58.204]                           invokeRestart("muffleMessage")
[18:00:58.204]                       }
[18:00:58.204]                       else if (inherits(cond, "warning")) {
[18:00:58.204]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.204]                         if (muffled) 
[18:00:58.204]                           invokeRestart("muffleWarning")
[18:00:58.204]                       }
[18:00:58.204]                       else if (inherits(cond, "condition")) {
[18:00:58.204]                         if (!is.null(pattern)) {
[18:00:58.204]                           computeRestarts <- base::computeRestarts
[18:00:58.204]                           grepl <- base::grepl
[18:00:58.204]                           restarts <- computeRestarts(cond)
[18:00:58.204]                           for (restart in restarts) {
[18:00:58.204]                             name <- restart$name
[18:00:58.204]                             if (is.null(name)) 
[18:00:58.204]                               next
[18:00:58.204]                             if (!grepl(pattern, name)) 
[18:00:58.204]                               next
[18:00:58.204]                             invokeRestart(restart)
[18:00:58.204]                             muffled <- TRUE
[18:00:58.204]                             break
[18:00:58.204]                           }
[18:00:58.204]                         }
[18:00:58.204]                       }
[18:00:58.204]                       invisible(muffled)
[18:00:58.204]                     }
[18:00:58.204]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.204]                   }
[18:00:58.204]                 }
[18:00:58.204]                 else {
[18:00:58.204]                   if (TRUE) {
[18:00:58.204]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.204]                     {
[18:00:58.204]                       inherits <- base::inherits
[18:00:58.204]                       invokeRestart <- base::invokeRestart
[18:00:58.204]                       is.null <- base::is.null
[18:00:58.204]                       muffled <- FALSE
[18:00:58.204]                       if (inherits(cond, "message")) {
[18:00:58.204]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.204]                         if (muffled) 
[18:00:58.204]                           invokeRestart("muffleMessage")
[18:00:58.204]                       }
[18:00:58.204]                       else if (inherits(cond, "warning")) {
[18:00:58.204]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.204]                         if (muffled) 
[18:00:58.204]                           invokeRestart("muffleWarning")
[18:00:58.204]                       }
[18:00:58.204]                       else if (inherits(cond, "condition")) {
[18:00:58.204]                         if (!is.null(pattern)) {
[18:00:58.204]                           computeRestarts <- base::computeRestarts
[18:00:58.204]                           grepl <- base::grepl
[18:00:58.204]                           restarts <- computeRestarts(cond)
[18:00:58.204]                           for (restart in restarts) {
[18:00:58.204]                             name <- restart$name
[18:00:58.204]                             if (is.null(name)) 
[18:00:58.204]                               next
[18:00:58.204]                             if (!grepl(pattern, name)) 
[18:00:58.204]                               next
[18:00:58.204]                             invokeRestart(restart)
[18:00:58.204]                             muffled <- TRUE
[18:00:58.204]                             break
[18:00:58.204]                           }
[18:00:58.204]                         }
[18:00:58.204]                       }
[18:00:58.204]                       invisible(muffled)
[18:00:58.204]                     }
[18:00:58.204]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.204]                   }
[18:00:58.204]                 }
[18:00:58.204]             }
[18:00:58.204]         }))
[18:00:58.204]     }, error = function(ex) {
[18:00:58.204]         base::structure(base::list(value = NULL, visible = NULL, 
[18:00:58.204]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.204]                 ...future.rng), started = ...future.startTime, 
[18:00:58.204]             finished = Sys.time(), session_uuid = NA_character_, 
[18:00:58.204]             version = "1.8"), class = "FutureResult")
[18:00:58.204]     }, finally = {
[18:00:58.204]         if (!identical(...future.workdir, getwd())) 
[18:00:58.204]             setwd(...future.workdir)
[18:00:58.204]         {
[18:00:58.204]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:00:58.204]                 ...future.oldOptions$nwarnings <- NULL
[18:00:58.204]             }
[18:00:58.204]             base::options(...future.oldOptions)
[18:00:58.204]             if (.Platform$OS.type == "windows") {
[18:00:58.204]                 old_names <- names(...future.oldEnvVars)
[18:00:58.204]                 envs <- base::Sys.getenv()
[18:00:58.204]                 names <- names(envs)
[18:00:58.204]                 common <- intersect(names, old_names)
[18:00:58.204]                 added <- setdiff(names, old_names)
[18:00:58.204]                 removed <- setdiff(old_names, names)
[18:00:58.204]                 changed <- common[...future.oldEnvVars[common] != 
[18:00:58.204]                   envs[common]]
[18:00:58.204]                 NAMES <- toupper(changed)
[18:00:58.204]                 args <- list()
[18:00:58.204]                 for (kk in seq_along(NAMES)) {
[18:00:58.204]                   name <- changed[[kk]]
[18:00:58.204]                   NAME <- NAMES[[kk]]
[18:00:58.204]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.204]                     next
[18:00:58.204]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.204]                 }
[18:00:58.204]                 NAMES <- toupper(added)
[18:00:58.204]                 for (kk in seq_along(NAMES)) {
[18:00:58.204]                   name <- added[[kk]]
[18:00:58.204]                   NAME <- NAMES[[kk]]
[18:00:58.204]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.204]                     next
[18:00:58.204]                   args[[name]] <- ""
[18:00:58.204]                 }
[18:00:58.204]                 NAMES <- toupper(removed)
[18:00:58.204]                 for (kk in seq_along(NAMES)) {
[18:00:58.204]                   name <- removed[[kk]]
[18:00:58.204]                   NAME <- NAMES[[kk]]
[18:00:58.204]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.204]                     next
[18:00:58.204]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.204]                 }
[18:00:58.204]                 if (length(args) > 0) 
[18:00:58.204]                   base::do.call(base::Sys.setenv, args = args)
[18:00:58.204]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:00:58.204]             }
[18:00:58.204]             else {
[18:00:58.204]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:00:58.204]             }
[18:00:58.204]             {
[18:00:58.204]                 if (base::length(...future.futureOptionsAdded) > 
[18:00:58.204]                   0L) {
[18:00:58.204]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:00:58.204]                   base::names(opts) <- ...future.futureOptionsAdded
[18:00:58.204]                   base::options(opts)
[18:00:58.204]                 }
[18:00:58.204]                 {
[18:00:58.204]                   {
[18:00:58.204]                     NULL
[18:00:58.204]                     RNGkind("Mersenne-Twister")
[18:00:58.204]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:00:58.204]                       inherits = FALSE)
[18:00:58.204]                   }
[18:00:58.204]                   options(future.plan = NULL)
[18:00:58.204]                   if (is.na(NA_character_)) 
[18:00:58.204]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.204]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:00:58.204]                   future::plan(list(function (..., envir = parent.frame()) 
[18:00:58.204]                   {
[18:00:58.204]                     future <- SequentialFuture(..., envir = envir)
[18:00:58.204]                     if (!future$lazy) 
[18:00:58.204]                       future <- run(future)
[18:00:58.204]                     invisible(future)
[18:00:58.204]                   }), .cleanup = FALSE, .init = FALSE)
[18:00:58.204]                 }
[18:00:58.204]             }
[18:00:58.204]         }
[18:00:58.204]     })
[18:00:58.204]     if (TRUE) {
[18:00:58.204]         base::sink(type = "output", split = FALSE)
[18:00:58.204]         if (TRUE) {
[18:00:58.204]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:00:58.204]         }
[18:00:58.204]         else {
[18:00:58.204]             ...future.result["stdout"] <- base::list(NULL)
[18:00:58.204]         }
[18:00:58.204]         base::close(...future.stdout)
[18:00:58.204]         ...future.stdout <- NULL
[18:00:58.204]     }
[18:00:58.204]     ...future.result$conditions <- ...future.conditions
[18:00:58.204]     ...future.result$finished <- base::Sys.time()
[18:00:58.204]     ...future.result
[18:00:58.204] }
[18:00:58.208] plan(): Setting new future strategy stack:
[18:00:58.208] List of future strategies:
[18:00:58.208] 1. sequential:
[18:00:58.208]    - args: function (..., envir = parent.frame())
[18:00:58.208]    - tweaked: FALSE
[18:00:58.208]    - call: NULL
[18:00:58.209] plan(): nbrOfWorkers() = 1
[18:00:58.210] plan(): Setting new future strategy stack:
[18:00:58.211] List of future strategies:
[18:00:58.211] 1. sequential:
[18:00:58.211]    - args: function (..., envir = parent.frame())
[18:00:58.211]    - tweaked: FALSE
[18:00:58.211]    - call: future::plan("sequential")
[18:00:58.211] plan(): nbrOfWorkers() = 1
[18:00:58.211] SequentialFuture started (and completed)
[18:00:58.211] signalConditions() ...
[18:00:58.212]  - include = 'immediateCondition'
[18:00:58.212]  - exclude = 
[18:00:58.212]  - resignal = FALSE
[18:00:58.212]  - Number of conditions: 1
[18:00:58.212] signalConditions() ... done
[18:00:58.213] - Launch lazy future ... done
[18:00:58.213] run() for 'SequentialFuture' ... done
> ll[[2]] <- future({ 42L; stop("Woops") })
[18:00:58.213] getGlobalsAndPackages() ...
[18:00:58.213] Searching for globals...
[18:00:58.214] - globals found: [2] '{', 'stop'
[18:00:58.214] Searching for globals ... DONE
[18:00:58.215] Resolving globals: FALSE
[18:00:58.215] 
[18:00:58.215] 
[18:00:58.215] getGlobalsAndPackages() ... DONE
[18:00:58.216] run() for 'Future' ...
[18:00:58.216] - state: 'created'
[18:00:58.216] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:00:58.216] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:00:58.217] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:00:58.217]   - Field: 'label'
[18:00:58.217]   - Field: 'local'
[18:00:58.218]   - Field: 'owner'
[18:00:58.218]   - Field: 'envir'
[18:00:58.218]   - Field: 'packages'
[18:00:58.219]   - Field: 'gc'
[18:00:58.219]   - Field: 'conditions'
[18:00:58.219]   - Field: 'expr'
[18:00:58.219]   - Field: 'uuid'
[18:00:58.219]   - Field: 'seed'
[18:00:58.219]   - Field: 'version'
[18:00:58.220]   - Field: 'result'
[18:00:58.220]   - Field: 'asynchronous'
[18:00:58.220]   - Field: 'calls'
[18:00:58.220]   - Field: 'globals'
[18:00:58.220]   - Field: 'stdout'
[18:00:58.221]   - Field: 'earlySignal'
[18:00:58.221]   - Field: 'lazy'
[18:00:58.221]   - Field: 'state'
[18:00:58.221] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:00:58.221] - Launch lazy future ...
[18:00:58.221] Packages needed by the future expression (n = 0): <none>
[18:00:58.222] Packages needed by future strategies (n = 0): <none>
[18:00:58.222] {
[18:00:58.222]     {
[18:00:58.222]         {
[18:00:58.222]             ...future.startTime <- base::Sys.time()
[18:00:58.222]             {
[18:00:58.222]                 {
[18:00:58.222]                   {
[18:00:58.222]                     base::local({
[18:00:58.222]                       has_future <- base::requireNamespace("future", 
[18:00:58.222]                         quietly = TRUE)
[18:00:58.222]                       if (has_future) {
[18:00:58.222]                         ns <- base::getNamespace("future")
[18:00:58.222]                         version <- ns[[".package"]][["version"]]
[18:00:58.222]                         if (is.null(version)) 
[18:00:58.222]                           version <- utils::packageVersion("future")
[18:00:58.222]                       }
[18:00:58.222]                       else {
[18:00:58.222]                         version <- NULL
[18:00:58.222]                       }
[18:00:58.222]                       if (!has_future || version < "1.8.0") {
[18:00:58.222]                         info <- base::c(r_version = base::gsub("R version ", 
[18:00:58.222]                           "", base::R.version$version.string), 
[18:00:58.222]                           platform = base::sprintf("%s (%s-bit)", 
[18:00:58.222]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:00:58.222]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:00:58.222]                             "release", "version")], collapse = " "), 
[18:00:58.222]                           hostname = base::Sys.info()[["nodename"]])
[18:00:58.222]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:00:58.222]                           info)
[18:00:58.222]                         info <- base::paste(info, collapse = "; ")
[18:00:58.222]                         if (!has_future) {
[18:00:58.222]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:00:58.222]                             info)
[18:00:58.222]                         }
[18:00:58.222]                         else {
[18:00:58.222]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:00:58.222]                             info, version)
[18:00:58.222]                         }
[18:00:58.222]                         base::stop(msg)
[18:00:58.222]                       }
[18:00:58.222]                     })
[18:00:58.222]                   }
[18:00:58.222]                   options(future.plan = NULL)
[18:00:58.222]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.222]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:00:58.222]                 }
[18:00:58.222]                 ...future.workdir <- getwd()
[18:00:58.222]             }
[18:00:58.222]             ...future.oldOptions <- base::as.list(base::.Options)
[18:00:58.222]             ...future.oldEnvVars <- base::Sys.getenv()
[18:00:58.222]         }
[18:00:58.222]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:00:58.222]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:00:58.222]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:00:58.222]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:00:58.222]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:00:58.222]             future.stdout.windows.reencode = NULL, width = 80L)
[18:00:58.222]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:00:58.222]             base::names(...future.oldOptions))
[18:00:58.222]     }
[18:00:58.222]     if (FALSE) {
[18:00:58.222]     }
[18:00:58.222]     else {
[18:00:58.222]         if (TRUE) {
[18:00:58.222]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:00:58.222]                 open = "w")
[18:00:58.222]         }
[18:00:58.222]         else {
[18:00:58.222]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:00:58.222]                 windows = "NUL", "/dev/null"), open = "w")
[18:00:58.222]         }
[18:00:58.222]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:00:58.222]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:00:58.222]             base::sink(type = "output", split = FALSE)
[18:00:58.222]             base::close(...future.stdout)
[18:00:58.222]         }, add = TRUE)
[18:00:58.222]     }
[18:00:58.222]     ...future.frame <- base::sys.nframe()
[18:00:58.222]     ...future.conditions <- base::list()
[18:00:58.222]     ...future.rng <- base::globalenv()$.Random.seed
[18:00:58.222]     if (FALSE) {
[18:00:58.222]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:00:58.222]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:00:58.222]     }
[18:00:58.222]     ...future.result <- base::tryCatch({
[18:00:58.222]         base::withCallingHandlers({
[18:00:58.222]             ...future.value <- base::withVisible(base::local({
[18:00:58.222]                 42L
[18:00:58.222]                 stop("Woops")
[18:00:58.222]             }))
[18:00:58.222]             future::FutureResult(value = ...future.value$value, 
[18:00:58.222]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.222]                   ...future.rng), globalenv = if (FALSE) 
[18:00:58.222]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:00:58.222]                     ...future.globalenv.names))
[18:00:58.222]                 else NULL, started = ...future.startTime, version = "1.8")
[18:00:58.222]         }, condition = base::local({
[18:00:58.222]             c <- base::c
[18:00:58.222]             inherits <- base::inherits
[18:00:58.222]             invokeRestart <- base::invokeRestart
[18:00:58.222]             length <- base::length
[18:00:58.222]             list <- base::list
[18:00:58.222]             seq.int <- base::seq.int
[18:00:58.222]             signalCondition <- base::signalCondition
[18:00:58.222]             sys.calls <- base::sys.calls
[18:00:58.222]             `[[` <- base::`[[`
[18:00:58.222]             `+` <- base::`+`
[18:00:58.222]             `<<-` <- base::`<<-`
[18:00:58.222]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:00:58.222]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:00:58.222]                   3L)]
[18:00:58.222]             }
[18:00:58.222]             function(cond) {
[18:00:58.222]                 is_error <- inherits(cond, "error")
[18:00:58.222]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:00:58.222]                   NULL)
[18:00:58.222]                 if (is_error) {
[18:00:58.222]                   sessionInformation <- function() {
[18:00:58.222]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:00:58.222]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:00:58.222]                       search = base::search(), system = base::Sys.info())
[18:00:58.222]                   }
[18:00:58.222]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.222]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:00:58.222]                     cond$call), session = sessionInformation(), 
[18:00:58.222]                     timestamp = base::Sys.time(), signaled = 0L)
[18:00:58.222]                   signalCondition(cond)
[18:00:58.222]                 }
[18:00:58.222]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:00:58.222]                 "immediateCondition"))) {
[18:00:58.222]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:00:58.222]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.222]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:00:58.222]                   if (TRUE && !signal) {
[18:00:58.222]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.222]                     {
[18:00:58.222]                       inherits <- base::inherits
[18:00:58.222]                       invokeRestart <- base::invokeRestart
[18:00:58.222]                       is.null <- base::is.null
[18:00:58.222]                       muffled <- FALSE
[18:00:58.222]                       if (inherits(cond, "message")) {
[18:00:58.222]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.222]                         if (muffled) 
[18:00:58.222]                           invokeRestart("muffleMessage")
[18:00:58.222]                       }
[18:00:58.222]                       else if (inherits(cond, "warning")) {
[18:00:58.222]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.222]                         if (muffled) 
[18:00:58.222]                           invokeRestart("muffleWarning")
[18:00:58.222]                       }
[18:00:58.222]                       else if (inherits(cond, "condition")) {
[18:00:58.222]                         if (!is.null(pattern)) {
[18:00:58.222]                           computeRestarts <- base::computeRestarts
[18:00:58.222]                           grepl <- base::grepl
[18:00:58.222]                           restarts <- computeRestarts(cond)
[18:00:58.222]                           for (restart in restarts) {
[18:00:58.222]                             name <- restart$name
[18:00:58.222]                             if (is.null(name)) 
[18:00:58.222]                               next
[18:00:58.222]                             if (!grepl(pattern, name)) 
[18:00:58.222]                               next
[18:00:58.222]                             invokeRestart(restart)
[18:00:58.222]                             muffled <- TRUE
[18:00:58.222]                             break
[18:00:58.222]                           }
[18:00:58.222]                         }
[18:00:58.222]                       }
[18:00:58.222]                       invisible(muffled)
[18:00:58.222]                     }
[18:00:58.222]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.222]                   }
[18:00:58.222]                 }
[18:00:58.222]                 else {
[18:00:58.222]                   if (TRUE) {
[18:00:58.222]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.222]                     {
[18:00:58.222]                       inherits <- base::inherits
[18:00:58.222]                       invokeRestart <- base::invokeRestart
[18:00:58.222]                       is.null <- base::is.null
[18:00:58.222]                       muffled <- FALSE
[18:00:58.222]                       if (inherits(cond, "message")) {
[18:00:58.222]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.222]                         if (muffled) 
[18:00:58.222]                           invokeRestart("muffleMessage")
[18:00:58.222]                       }
[18:00:58.222]                       else if (inherits(cond, "warning")) {
[18:00:58.222]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.222]                         if (muffled) 
[18:00:58.222]                           invokeRestart("muffleWarning")
[18:00:58.222]                       }
[18:00:58.222]                       else if (inherits(cond, "condition")) {
[18:00:58.222]                         if (!is.null(pattern)) {
[18:00:58.222]                           computeRestarts <- base::computeRestarts
[18:00:58.222]                           grepl <- base::grepl
[18:00:58.222]                           restarts <- computeRestarts(cond)
[18:00:58.222]                           for (restart in restarts) {
[18:00:58.222]                             name <- restart$name
[18:00:58.222]                             if (is.null(name)) 
[18:00:58.222]                               next
[18:00:58.222]                             if (!grepl(pattern, name)) 
[18:00:58.222]                               next
[18:00:58.222]                             invokeRestart(restart)
[18:00:58.222]                             muffled <- TRUE
[18:00:58.222]                             break
[18:00:58.222]                           }
[18:00:58.222]                         }
[18:00:58.222]                       }
[18:00:58.222]                       invisible(muffled)
[18:00:58.222]                     }
[18:00:58.222]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.222]                   }
[18:00:58.222]                 }
[18:00:58.222]             }
[18:00:58.222]         }))
[18:00:58.222]     }, error = function(ex) {
[18:00:58.222]         base::structure(base::list(value = NULL, visible = NULL, 
[18:00:58.222]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.222]                 ...future.rng), started = ...future.startTime, 
[18:00:58.222]             finished = Sys.time(), session_uuid = NA_character_, 
[18:00:58.222]             version = "1.8"), class = "FutureResult")
[18:00:58.222]     }, finally = {
[18:00:58.222]         if (!identical(...future.workdir, getwd())) 
[18:00:58.222]             setwd(...future.workdir)
[18:00:58.222]         {
[18:00:58.222]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:00:58.222]                 ...future.oldOptions$nwarnings <- NULL
[18:00:58.222]             }
[18:00:58.222]             base::options(...future.oldOptions)
[18:00:58.222]             if (.Platform$OS.type == "windows") {
[18:00:58.222]                 old_names <- names(...future.oldEnvVars)
[18:00:58.222]                 envs <- base::Sys.getenv()
[18:00:58.222]                 names <- names(envs)
[18:00:58.222]                 common <- intersect(names, old_names)
[18:00:58.222]                 added <- setdiff(names, old_names)
[18:00:58.222]                 removed <- setdiff(old_names, names)
[18:00:58.222]                 changed <- common[...future.oldEnvVars[common] != 
[18:00:58.222]                   envs[common]]
[18:00:58.222]                 NAMES <- toupper(changed)
[18:00:58.222]                 args <- list()
[18:00:58.222]                 for (kk in seq_along(NAMES)) {
[18:00:58.222]                   name <- changed[[kk]]
[18:00:58.222]                   NAME <- NAMES[[kk]]
[18:00:58.222]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.222]                     next
[18:00:58.222]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.222]                 }
[18:00:58.222]                 NAMES <- toupper(added)
[18:00:58.222]                 for (kk in seq_along(NAMES)) {
[18:00:58.222]                   name <- added[[kk]]
[18:00:58.222]                   NAME <- NAMES[[kk]]
[18:00:58.222]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.222]                     next
[18:00:58.222]                   args[[name]] <- ""
[18:00:58.222]                 }
[18:00:58.222]                 NAMES <- toupper(removed)
[18:00:58.222]                 for (kk in seq_along(NAMES)) {
[18:00:58.222]                   name <- removed[[kk]]
[18:00:58.222]                   NAME <- NAMES[[kk]]
[18:00:58.222]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.222]                     next
[18:00:58.222]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.222]                 }
[18:00:58.222]                 if (length(args) > 0) 
[18:00:58.222]                   base::do.call(base::Sys.setenv, args = args)
[18:00:58.222]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:00:58.222]             }
[18:00:58.222]             else {
[18:00:58.222]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:00:58.222]             }
[18:00:58.222]             {
[18:00:58.222]                 if (base::length(...future.futureOptionsAdded) > 
[18:00:58.222]                   0L) {
[18:00:58.222]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:00:58.222]                   base::names(opts) <- ...future.futureOptionsAdded
[18:00:58.222]                   base::options(opts)
[18:00:58.222]                 }
[18:00:58.222]                 {
[18:00:58.222]                   {
[18:00:58.222]                     NULL
[18:00:58.222]                     RNGkind("Mersenne-Twister")
[18:00:58.222]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:00:58.222]                       inherits = FALSE)
[18:00:58.222]                   }
[18:00:58.222]                   options(future.plan = NULL)
[18:00:58.222]                   if (is.na(NA_character_)) 
[18:00:58.222]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.222]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:00:58.222]                   future::plan(list(function (..., envir = parent.frame()) 
[18:00:58.222]                   {
[18:00:58.222]                     future <- SequentialFuture(..., envir = envir)
[18:00:58.222]                     if (!future$lazy) 
[18:00:58.222]                       future <- run(future)
[18:00:58.222]                     invisible(future)
[18:00:58.222]                   }), .cleanup = FALSE, .init = FALSE)
[18:00:58.222]                 }
[18:00:58.222]             }
[18:00:58.222]         }
[18:00:58.222]     })
[18:00:58.222]     if (TRUE) {
[18:00:58.222]         base::sink(type = "output", split = FALSE)
[18:00:58.222]         if (TRUE) {
[18:00:58.222]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:00:58.222]         }
[18:00:58.222]         else {
[18:00:58.222]             ...future.result["stdout"] <- base::list(NULL)
[18:00:58.222]         }
[18:00:58.222]         base::close(...future.stdout)
[18:00:58.222]         ...future.stdout <- NULL
[18:00:58.222]     }
[18:00:58.222]     ...future.result$conditions <- ...future.conditions
[18:00:58.222]     ...future.result$finished <- base::Sys.time()
[18:00:58.222]     ...future.result
[18:00:58.222] }
[18:00:58.226] plan(): Setting new future strategy stack:
[18:00:58.226] List of future strategies:
[18:00:58.226] 1. sequential:
[18:00:58.226]    - args: function (..., envir = parent.frame())
[18:00:58.226]    - tweaked: FALSE
[18:00:58.226]    - call: NULL
[18:00:58.227] plan(): nbrOfWorkers() = 1
[18:00:58.228] plan(): Setting new future strategy stack:
[18:00:58.228] List of future strategies:
[18:00:58.228] 1. sequential:
[18:00:58.228]    - args: function (..., envir = parent.frame())
[18:00:58.228]    - tweaked: FALSE
[18:00:58.228]    - call: future::plan("sequential")
[18:00:58.229] plan(): nbrOfWorkers() = 1
[18:00:58.229] SequentialFuture started (and completed)
[18:00:58.229] signalConditions() ...
[18:00:58.229]  - include = 'immediateCondition'
[18:00:58.230]  - exclude = 
[18:00:58.230]  - resignal = FALSE
[18:00:58.230]  - Number of conditions: 1
[18:00:58.230] signalConditions() ... done
[18:00:58.230] - Launch lazy future ... done
[18:00:58.230] run() for 'SequentialFuture' ... done
> vs <- value(ll, signal = FALSE)
[18:00:58.231] resolve() on list ...
[18:00:58.231]  recursive: 0
[18:00:58.232]  length: 2
[18:00:58.232] 
[18:00:58.232] resolved() for 'SequentialFuture' ...
[18:00:58.232] - state: 'finished'
[18:00:58.232] - run: TRUE
[18:00:58.232] - result: 'FutureResult'
[18:00:58.233] resolved() for 'SequentialFuture' ... done
[18:00:58.233] Future #1
[18:00:58.233] signalConditions() ...
[18:00:58.233]  - include = 'immediateCondition'
[18:00:58.233]  - exclude = 
[18:00:58.233]  - resignal = FALSE
[18:00:58.234]  - Number of conditions: 1
[18:00:58.234] signalConditions() ... done
[18:00:58.234] signalConditionsASAP(SequentialFuture, pos=1) ...
[18:00:58.234] - nx: 2
[18:00:58.234] - relay: TRUE
[18:00:58.234] - stdout: TRUE
[18:00:58.235] - signal: FALSE
[18:00:58.235] - resignal: FALSE
[18:00:58.235] - force: TRUE
[18:00:58.235] - relayed: [n=2] FALSE, FALSE
[18:00:58.235] - queued futures: [n=2] FALSE, FALSE
[18:00:58.235]  - until=1
[18:00:58.236]  - relaying element #1
[18:00:58.236] signalConditions() ...
[18:00:58.236]  - include = 'immediateCondition'
[18:00:58.236]  - exclude = 
[18:00:58.236]  - resignal = FALSE
[18:00:58.236]  - Number of conditions: 1
[18:00:58.237] signalConditions() ... done
[18:00:58.237] - relayed: [n=2] TRUE, FALSE
[18:00:58.237] - queued futures: [n=2] TRUE, FALSE
[18:00:58.237] signalConditionsASAP(SequentialFuture, pos=1) ... done
[18:00:58.237]  length: 1 (resolved future 1)
[18:00:58.238] resolved() for 'SequentialFuture' ...
[18:00:58.238] - state: 'finished'
[18:00:58.238] - run: TRUE
[18:00:58.238] - result: 'FutureResult'
[18:00:58.238] resolved() for 'SequentialFuture' ... done
[18:00:58.239] Future #2
[18:00:58.239] signalConditions() ...
[18:00:58.239]  - include = 'immediateCondition'
[18:00:58.239]  - exclude = 
[18:00:58.239]  - resignal = FALSE
[18:00:58.239]  - Number of conditions: 1
[18:00:58.240] signalConditions() ... done
[18:00:58.240] signalConditionsASAP(SequentialFuture, pos=2) ...
[18:00:58.240] - nx: 2
[18:00:58.240] - relay: TRUE
[18:00:58.240] - stdout: TRUE
[18:00:58.240] - signal: FALSE
[18:00:58.241] - resignal: FALSE
[18:00:58.241] - force: TRUE
[18:00:58.241] - relayed: [n=2] TRUE, FALSE
[18:00:58.241] - queued futures: [n=2] TRUE, FALSE
[18:00:58.241]  - until=2
[18:00:58.241]  - relaying element #2
[18:00:58.242] signalConditions() ...
[18:00:58.242]  - include = 'immediateCondition'
[18:00:58.242]  - exclude = 
[18:00:58.242]  - resignal = FALSE
[18:00:58.242]  - Number of conditions: 1
[18:00:58.242] signalConditions() ... done
[18:00:58.243] - relayed: [n=2] TRUE, TRUE
[18:00:58.243] - queued futures: [n=2] TRUE, TRUE
[18:00:58.243] signalConditionsASAP(SequentialFuture, pos=2) ... done
[18:00:58.243]  length: 0 (resolved future 2)
[18:00:58.243] Relaying remaining futures
[18:00:58.243] signalConditionsASAP(NULL, pos=0) ...
[18:00:58.243] - nx: 2
[18:00:58.244] - relay: TRUE
[18:00:58.244] - stdout: TRUE
[18:00:58.244] - signal: FALSE
[18:00:58.244] - resignal: FALSE
[18:00:58.244] - force: TRUE
[18:00:58.244] - relayed: [n=2] TRUE, TRUE
[18:00:58.245] - queued futures: [n=2] TRUE, TRUE
 - flush all
[18:00:58.245] - relayed: [n=2] TRUE, TRUE
[18:00:58.245] - queued futures: [n=2] TRUE, TRUE
[18:00:58.245] signalConditionsASAP(NULL, pos=0) ... done
[18:00:58.245] resolve() on list ... DONE
[18:00:58.245] signalConditions() ...
[18:00:58.246]  - include = 'immediateCondition'
[18:00:58.246]  - exclude = 
[18:00:58.246]  - resignal = FALSE
[18:00:58.246]  - Number of conditions: 1
[18:00:58.246] signalConditions() ... done
[18:00:58.247] signalConditions() ...
[18:00:58.247]  - include = 'immediateCondition'
[18:00:58.247]  - exclude = 
[18:00:58.247]  - resignal = FALSE
[18:00:58.247]  - Number of conditions: 1
[18:00:58.247] signalConditions() ... done
> calls <- backtrace(ll[[2]])
[18:00:58.248] resolved() for 'SequentialFuture' ...
[18:00:58.248] - state: 'finished'
[18:00:58.248] - run: TRUE
[18:00:58.248] - result: 'FutureResult'
[18:00:58.249] resolved() for 'SequentialFuture' ... done
> print(calls)
[[1]]
future({
    42L
    stop("Woops")
})

[[2]]
Future(expr, substitute = FALSE, envir = envir, lazy = TRUE, 
    seed = seed, globals = globals, packages = packages, stdout = stdout, 
    conditions = conditions, earlySignal = earlySignal, label = label, 
    gc = gc, ...)

[[3]]
eval(quote({
    42L
    stop("Woops")
}), new.env())

[[4]]
stop("Woops")

[[5]]
eval(quote({
    42L
    stop("Woops")
}), new.env())

> stopifnot(is.list(calls))
> 
> message("*** backtrace( ) - subsetting ... DONE")
*** backtrace( ) - subsetting ... DONE
> 
> 
> message("*** backtrace( ) - exceptions ...")
*** backtrace( ) - exceptions ...
> 
> message("- No condition ...")
- No condition ...
> f <- future(42L)
[18:00:58.249] getGlobalsAndPackages() ...
[18:00:58.249] Searching for globals...
[18:00:58.250] 
[18:00:58.250] Searching for globals ... DONE
[18:00:58.250] - globals: [0] <none>
[18:00:58.250] getGlobalsAndPackages() ... DONE
[18:00:58.251] run() for 'Future' ...
[18:00:58.251] - state: 'created'
[18:00:58.251] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:00:58.251] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:00:58.252] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:00:58.252]   - Field: 'label'
[18:00:58.252]   - Field: 'local'
[18:00:58.252]   - Field: 'owner'
[18:00:58.252]   - Field: 'envir'
[18:00:58.253]   - Field: 'packages'
[18:00:58.253]   - Field: 'gc'
[18:00:58.253]   - Field: 'conditions'
[18:00:58.253]   - Field: 'expr'
[18:00:58.253]   - Field: 'uuid'
[18:00:58.253]   - Field: 'seed'
[18:00:58.254]   - Field: 'version'
[18:00:58.254]   - Field: 'result'
[18:00:58.254]   - Field: 'asynchronous'
[18:00:58.254]   - Field: 'calls'
[18:00:58.254]   - Field: 'globals'
[18:00:58.254]   - Field: 'stdout'
[18:00:58.255]   - Field: 'earlySignal'
[18:00:58.255]   - Field: 'lazy'
[18:00:58.255]   - Field: 'state'
[18:00:58.255] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:00:58.255] - Launch lazy future ...
[18:00:58.256] Packages needed by the future expression (n = 0): <none>
[18:00:58.256] Packages needed by future strategies (n = 0): <none>
[18:00:58.256] {
[18:00:58.256]     {
[18:00:58.256]         {
[18:00:58.256]             ...future.startTime <- base::Sys.time()
[18:00:58.256]             {
[18:00:58.256]                 {
[18:00:58.256]                   {
[18:00:58.256]                     base::local({
[18:00:58.256]                       has_future <- base::requireNamespace("future", 
[18:00:58.256]                         quietly = TRUE)
[18:00:58.256]                       if (has_future) {
[18:00:58.256]                         ns <- base::getNamespace("future")
[18:00:58.256]                         version <- ns[[".package"]][["version"]]
[18:00:58.256]                         if (is.null(version)) 
[18:00:58.256]                           version <- utils::packageVersion("future")
[18:00:58.256]                       }
[18:00:58.256]                       else {
[18:00:58.256]                         version <- NULL
[18:00:58.256]                       }
[18:00:58.256]                       if (!has_future || version < "1.8.0") {
[18:00:58.256]                         info <- base::c(r_version = base::gsub("R version ", 
[18:00:58.256]                           "", base::R.version$version.string), 
[18:00:58.256]                           platform = base::sprintf("%s (%s-bit)", 
[18:00:58.256]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:00:58.256]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:00:58.256]                             "release", "version")], collapse = " "), 
[18:00:58.256]                           hostname = base::Sys.info()[["nodename"]])
[18:00:58.256]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:00:58.256]                           info)
[18:00:58.256]                         info <- base::paste(info, collapse = "; ")
[18:00:58.256]                         if (!has_future) {
[18:00:58.256]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:00:58.256]                             info)
[18:00:58.256]                         }
[18:00:58.256]                         else {
[18:00:58.256]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:00:58.256]                             info, version)
[18:00:58.256]                         }
[18:00:58.256]                         base::stop(msg)
[18:00:58.256]                       }
[18:00:58.256]                     })
[18:00:58.256]                   }
[18:00:58.256]                   options(future.plan = NULL)
[18:00:58.256]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.256]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:00:58.256]                 }
[18:00:58.256]                 ...future.workdir <- getwd()
[18:00:58.256]             }
[18:00:58.256]             ...future.oldOptions <- base::as.list(base::.Options)
[18:00:58.256]             ...future.oldEnvVars <- base::Sys.getenv()
[18:00:58.256]         }
[18:00:58.256]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:00:58.256]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:00:58.256]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:00:58.256]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:00:58.256]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:00:58.256]             future.stdout.windows.reencode = NULL, width = 80L)
[18:00:58.256]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:00:58.256]             base::names(...future.oldOptions))
[18:00:58.256]     }
[18:00:58.256]     if (FALSE) {
[18:00:58.256]     }
[18:00:58.256]     else {
[18:00:58.256]         if (TRUE) {
[18:00:58.256]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:00:58.256]                 open = "w")
[18:00:58.256]         }
[18:00:58.256]         else {
[18:00:58.256]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:00:58.256]                 windows = "NUL", "/dev/null"), open = "w")
[18:00:58.256]         }
[18:00:58.256]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:00:58.256]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:00:58.256]             base::sink(type = "output", split = FALSE)
[18:00:58.256]             base::close(...future.stdout)
[18:00:58.256]         }, add = TRUE)
[18:00:58.256]     }
[18:00:58.256]     ...future.frame <- base::sys.nframe()
[18:00:58.256]     ...future.conditions <- base::list()
[18:00:58.256]     ...future.rng <- base::globalenv()$.Random.seed
[18:00:58.256]     if (FALSE) {
[18:00:58.256]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:00:58.256]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:00:58.256]     }
[18:00:58.256]     ...future.result <- base::tryCatch({
[18:00:58.256]         base::withCallingHandlers({
[18:00:58.256]             ...future.value <- base::withVisible(base::local(42L))
[18:00:58.256]             future::FutureResult(value = ...future.value$value, 
[18:00:58.256]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.256]                   ...future.rng), globalenv = if (FALSE) 
[18:00:58.256]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:00:58.256]                     ...future.globalenv.names))
[18:00:58.256]                 else NULL, started = ...future.startTime, version = "1.8")
[18:00:58.256]         }, condition = base::local({
[18:00:58.256]             c <- base::c
[18:00:58.256]             inherits <- base::inherits
[18:00:58.256]             invokeRestart <- base::invokeRestart
[18:00:58.256]             length <- base::length
[18:00:58.256]             list <- base::list
[18:00:58.256]             seq.int <- base::seq.int
[18:00:58.256]             signalCondition <- base::signalCondition
[18:00:58.256]             sys.calls <- base::sys.calls
[18:00:58.256]             `[[` <- base::`[[`
[18:00:58.256]             `+` <- base::`+`
[18:00:58.256]             `<<-` <- base::`<<-`
[18:00:58.256]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:00:58.256]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:00:58.256]                   3L)]
[18:00:58.256]             }
[18:00:58.256]             function(cond) {
[18:00:58.256]                 is_error <- inherits(cond, "error")
[18:00:58.256]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:00:58.256]                   NULL)
[18:00:58.256]                 if (is_error) {
[18:00:58.256]                   sessionInformation <- function() {
[18:00:58.256]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:00:58.256]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:00:58.256]                       search = base::search(), system = base::Sys.info())
[18:00:58.256]                   }
[18:00:58.256]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.256]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:00:58.256]                     cond$call), session = sessionInformation(), 
[18:00:58.256]                     timestamp = base::Sys.time(), signaled = 0L)
[18:00:58.256]                   signalCondition(cond)
[18:00:58.256]                 }
[18:00:58.256]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:00:58.256]                 "immediateCondition"))) {
[18:00:58.256]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:00:58.256]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.256]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:00:58.256]                   if (TRUE && !signal) {
[18:00:58.256]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.256]                     {
[18:00:58.256]                       inherits <- base::inherits
[18:00:58.256]                       invokeRestart <- base::invokeRestart
[18:00:58.256]                       is.null <- base::is.null
[18:00:58.256]                       muffled <- FALSE
[18:00:58.256]                       if (inherits(cond, "message")) {
[18:00:58.256]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.256]                         if (muffled) 
[18:00:58.256]                           invokeRestart("muffleMessage")
[18:00:58.256]                       }
[18:00:58.256]                       else if (inherits(cond, "warning")) {
[18:00:58.256]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.256]                         if (muffled) 
[18:00:58.256]                           invokeRestart("muffleWarning")
[18:00:58.256]                       }
[18:00:58.256]                       else if (inherits(cond, "condition")) {
[18:00:58.256]                         if (!is.null(pattern)) {
[18:00:58.256]                           computeRestarts <- base::computeRestarts
[18:00:58.256]                           grepl <- base::grepl
[18:00:58.256]                           restarts <- computeRestarts(cond)
[18:00:58.256]                           for (restart in restarts) {
[18:00:58.256]                             name <- restart$name
[18:00:58.256]                             if (is.null(name)) 
[18:00:58.256]                               next
[18:00:58.256]                             if (!grepl(pattern, name)) 
[18:00:58.256]                               next
[18:00:58.256]                             invokeRestart(restart)
[18:00:58.256]                             muffled <- TRUE
[18:00:58.256]                             break
[18:00:58.256]                           }
[18:00:58.256]                         }
[18:00:58.256]                       }
[18:00:58.256]                       invisible(muffled)
[18:00:58.256]                     }
[18:00:58.256]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.256]                   }
[18:00:58.256]                 }
[18:00:58.256]                 else {
[18:00:58.256]                   if (TRUE) {
[18:00:58.256]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.256]                     {
[18:00:58.256]                       inherits <- base::inherits
[18:00:58.256]                       invokeRestart <- base::invokeRestart
[18:00:58.256]                       is.null <- base::is.null
[18:00:58.256]                       muffled <- FALSE
[18:00:58.256]                       if (inherits(cond, "message")) {
[18:00:58.256]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.256]                         if (muffled) 
[18:00:58.256]                           invokeRestart("muffleMessage")
[18:00:58.256]                       }
[18:00:58.256]                       else if (inherits(cond, "warning")) {
[18:00:58.256]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.256]                         if (muffled) 
[18:00:58.256]                           invokeRestart("muffleWarning")
[18:00:58.256]                       }
[18:00:58.256]                       else if (inherits(cond, "condition")) {
[18:00:58.256]                         if (!is.null(pattern)) {
[18:00:58.256]                           computeRestarts <- base::computeRestarts
[18:00:58.256]                           grepl <- base::grepl
[18:00:58.256]                           restarts <- computeRestarts(cond)
[18:00:58.256]                           for (restart in restarts) {
[18:00:58.256]                             name <- restart$name
[18:00:58.256]                             if (is.null(name)) 
[18:00:58.256]                               next
[18:00:58.256]                             if (!grepl(pattern, name)) 
[18:00:58.256]                               next
[18:00:58.256]                             invokeRestart(restart)
[18:00:58.256]                             muffled <- TRUE
[18:00:58.256]                             break
[18:00:58.256]                           }
[18:00:58.256]                         }
[18:00:58.256]                       }
[18:00:58.256]                       invisible(muffled)
[18:00:58.256]                     }
[18:00:58.256]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.256]                   }
[18:00:58.256]                 }
[18:00:58.256]             }
[18:00:58.256]         }))
[18:00:58.256]     }, error = function(ex) {
[18:00:58.256]         base::structure(base::list(value = NULL, visible = NULL, 
[18:00:58.256]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.256]                 ...future.rng), started = ...future.startTime, 
[18:00:58.256]             finished = Sys.time(), session_uuid = NA_character_, 
[18:00:58.256]             version = "1.8"), class = "FutureResult")
[18:00:58.256]     }, finally = {
[18:00:58.256]         if (!identical(...future.workdir, getwd())) 
[18:00:58.256]             setwd(...future.workdir)
[18:00:58.256]         {
[18:00:58.256]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:00:58.256]                 ...future.oldOptions$nwarnings <- NULL
[18:00:58.256]             }
[18:00:58.256]             base::options(...future.oldOptions)
[18:00:58.256]             if (.Platform$OS.type == "windows") {
[18:00:58.256]                 old_names <- names(...future.oldEnvVars)
[18:00:58.256]                 envs <- base::Sys.getenv()
[18:00:58.256]                 names <- names(envs)
[18:00:58.256]                 common <- intersect(names, old_names)
[18:00:58.256]                 added <- setdiff(names, old_names)
[18:00:58.256]                 removed <- setdiff(old_names, names)
[18:00:58.256]                 changed <- common[...future.oldEnvVars[common] != 
[18:00:58.256]                   envs[common]]
[18:00:58.256]                 NAMES <- toupper(changed)
[18:00:58.256]                 args <- list()
[18:00:58.256]                 for (kk in seq_along(NAMES)) {
[18:00:58.256]                   name <- changed[[kk]]
[18:00:58.256]                   NAME <- NAMES[[kk]]
[18:00:58.256]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.256]                     next
[18:00:58.256]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.256]                 }
[18:00:58.256]                 NAMES <- toupper(added)
[18:00:58.256]                 for (kk in seq_along(NAMES)) {
[18:00:58.256]                   name <- added[[kk]]
[18:00:58.256]                   NAME <- NAMES[[kk]]
[18:00:58.256]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.256]                     next
[18:00:58.256]                   args[[name]] <- ""
[18:00:58.256]                 }
[18:00:58.256]                 NAMES <- toupper(removed)
[18:00:58.256]                 for (kk in seq_along(NAMES)) {
[18:00:58.256]                   name <- removed[[kk]]
[18:00:58.256]                   NAME <- NAMES[[kk]]
[18:00:58.256]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.256]                     next
[18:00:58.256]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.256]                 }
[18:00:58.256]                 if (length(args) > 0) 
[18:00:58.256]                   base::do.call(base::Sys.setenv, args = args)
[18:00:58.256]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:00:58.256]             }
[18:00:58.256]             else {
[18:00:58.256]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:00:58.256]             }
[18:00:58.256]             {
[18:00:58.256]                 if (base::length(...future.futureOptionsAdded) > 
[18:00:58.256]                   0L) {
[18:00:58.256]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:00:58.256]                   base::names(opts) <- ...future.futureOptionsAdded
[18:00:58.256]                   base::options(opts)
[18:00:58.256]                 }
[18:00:58.256]                 {
[18:00:58.256]                   {
[18:00:58.256]                     NULL
[18:00:58.256]                     RNGkind("Mersenne-Twister")
[18:00:58.256]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:00:58.256]                       inherits = FALSE)
[18:00:58.256]                   }
[18:00:58.256]                   options(future.plan = NULL)
[18:00:58.256]                   if (is.na(NA_character_)) 
[18:00:58.256]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.256]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:00:58.256]                   future::plan(list(function (..., envir = parent.frame()) 
[18:00:58.256]                   {
[18:00:58.256]                     future <- SequentialFuture(..., envir = envir)
[18:00:58.256]                     if (!future$lazy) 
[18:00:58.256]                       future <- run(future)
[18:00:58.256]                     invisible(future)
[18:00:58.256]                   }), .cleanup = FALSE, .init = FALSE)
[18:00:58.256]                 }
[18:00:58.256]             }
[18:00:58.256]         }
[18:00:58.256]     })
[18:00:58.256]     if (TRUE) {
[18:00:58.256]         base::sink(type = "output", split = FALSE)
[18:00:58.256]         if (TRUE) {
[18:00:58.256]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:00:58.256]         }
[18:00:58.256]         else {
[18:00:58.256]             ...future.result["stdout"] <- base::list(NULL)
[18:00:58.256]         }
[18:00:58.256]         base::close(...future.stdout)
[18:00:58.256]         ...future.stdout <- NULL
[18:00:58.256]     }
[18:00:58.256]     ...future.result$conditions <- ...future.conditions
[18:00:58.256]     ...future.result$finished <- base::Sys.time()
[18:00:58.256]     ...future.result
[18:00:58.256] }
[18:00:58.260] plan(): Setting new future strategy stack:
[18:00:58.261] List of future strategies:
[18:00:58.261] 1. sequential:
[18:00:58.261]    - args: function (..., envir = parent.frame())
[18:00:58.261]    - tweaked: FALSE
[18:00:58.261]    - call: NULL
[18:00:58.261] plan(): nbrOfWorkers() = 1
[18:00:58.263] plan(): Setting new future strategy stack:
[18:00:58.263] List of future strategies:
[18:00:58.263] 1. sequential:
[18:00:58.263]    - args: function (..., envir = parent.frame())
[18:00:58.263]    - tweaked: FALSE
[18:00:58.263]    - call: future::plan("sequential")
[18:00:58.263] plan(): nbrOfWorkers() = 1
[18:00:58.264] SequentialFuture started (and completed)
[18:00:58.264] - Launch lazy future ... done
[18:00:58.264] run() for 'SequentialFuture' ... done
> res <- tryCatch(backtrace(f), error = identity)
[18:00:58.265] resolved() for 'SequentialFuture' ...
[18:00:58.265] - state: 'finished'
[18:00:58.265] - run: TRUE
[18:00:58.265] - result: 'FutureResult'
[18:00:58.265] resolved() for 'SequentialFuture' ... done
> print(res)
<simpleError: No error was caught for this future: 'f'>
> stopifnot(inherits(res, "error"))
> 
> message("- No call stack ...")
- No call stack ...
> f <- future({ 42L; stop("Woops") })
[18:00:58.266] getGlobalsAndPackages() ...
[18:00:58.266] Searching for globals...
[18:00:58.268] - globals found: [2] '{', 'stop'
[18:00:58.269] Searching for globals ... DONE
[18:00:58.269] Resolving globals: FALSE
[18:00:58.269] 
[18:00:58.269] 
[18:00:58.269] getGlobalsAndPackages() ... DONE
[18:00:58.270] run() for 'Future' ...
[18:00:58.270] - state: 'created'
[18:00:58.270] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:00:58.271] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:00:58.271] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:00:58.271]   - Field: 'label'
[18:00:58.271]   - Field: 'local'
[18:00:58.271]   - Field: 'owner'
[18:00:58.271]   - Field: 'envir'
[18:00:58.272]   - Field: 'packages'
[18:00:58.272]   - Field: 'gc'
[18:00:58.272]   - Field: 'conditions'
[18:00:58.272]   - Field: 'expr'
[18:00:58.272]   - Field: 'uuid'
[18:00:58.273]   - Field: 'seed'
[18:00:58.273]   - Field: 'version'
[18:00:58.273]   - Field: 'result'
[18:00:58.273]   - Field: 'asynchronous'
[18:00:58.273]   - Field: 'calls'
[18:00:58.273]   - Field: 'globals'
[18:00:58.274]   - Field: 'stdout'
[18:00:58.274]   - Field: 'earlySignal'
[18:00:58.274]   - Field: 'lazy'
[18:00:58.274]   - Field: 'state'
[18:00:58.274] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:00:58.274] - Launch lazy future ...
[18:00:58.275] Packages needed by the future expression (n = 0): <none>
[18:00:58.275] Packages needed by future strategies (n = 0): <none>
[18:00:58.275] {
[18:00:58.275]     {
[18:00:58.275]         {
[18:00:58.275]             ...future.startTime <- base::Sys.time()
[18:00:58.275]             {
[18:00:58.275]                 {
[18:00:58.275]                   {
[18:00:58.275]                     base::local({
[18:00:58.275]                       has_future <- base::requireNamespace("future", 
[18:00:58.275]                         quietly = TRUE)
[18:00:58.275]                       if (has_future) {
[18:00:58.275]                         ns <- base::getNamespace("future")
[18:00:58.275]                         version <- ns[[".package"]][["version"]]
[18:00:58.275]                         if (is.null(version)) 
[18:00:58.275]                           version <- utils::packageVersion("future")
[18:00:58.275]                       }
[18:00:58.275]                       else {
[18:00:58.275]                         version <- NULL
[18:00:58.275]                       }
[18:00:58.275]                       if (!has_future || version < "1.8.0") {
[18:00:58.275]                         info <- base::c(r_version = base::gsub("R version ", 
[18:00:58.275]                           "", base::R.version$version.string), 
[18:00:58.275]                           platform = base::sprintf("%s (%s-bit)", 
[18:00:58.275]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:00:58.275]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:00:58.275]                             "release", "version")], collapse = " "), 
[18:00:58.275]                           hostname = base::Sys.info()[["nodename"]])
[18:00:58.275]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:00:58.275]                           info)
[18:00:58.275]                         info <- base::paste(info, collapse = "; ")
[18:00:58.275]                         if (!has_future) {
[18:00:58.275]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:00:58.275]                             info)
[18:00:58.275]                         }
[18:00:58.275]                         else {
[18:00:58.275]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:00:58.275]                             info, version)
[18:00:58.275]                         }
[18:00:58.275]                         base::stop(msg)
[18:00:58.275]                       }
[18:00:58.275]                     })
[18:00:58.275]                   }
[18:00:58.275]                   options(future.plan = NULL)
[18:00:58.275]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.275]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:00:58.275]                 }
[18:00:58.275]                 ...future.workdir <- getwd()
[18:00:58.275]             }
[18:00:58.275]             ...future.oldOptions <- base::as.list(base::.Options)
[18:00:58.275]             ...future.oldEnvVars <- base::Sys.getenv()
[18:00:58.275]         }
[18:00:58.275]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:00:58.275]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:00:58.275]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:00:58.275]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:00:58.275]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:00:58.275]             future.stdout.windows.reencode = NULL, width = 80L)
[18:00:58.275]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:00:58.275]             base::names(...future.oldOptions))
[18:00:58.275]     }
[18:00:58.275]     if (FALSE) {
[18:00:58.275]     }
[18:00:58.275]     else {
[18:00:58.275]         if (TRUE) {
[18:00:58.275]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:00:58.275]                 open = "w")
[18:00:58.275]         }
[18:00:58.275]         else {
[18:00:58.275]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:00:58.275]                 windows = "NUL", "/dev/null"), open = "w")
[18:00:58.275]         }
[18:00:58.275]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:00:58.275]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:00:58.275]             base::sink(type = "output", split = FALSE)
[18:00:58.275]             base::close(...future.stdout)
[18:00:58.275]         }, add = TRUE)
[18:00:58.275]     }
[18:00:58.275]     ...future.frame <- base::sys.nframe()
[18:00:58.275]     ...future.conditions <- base::list()
[18:00:58.275]     ...future.rng <- base::globalenv()$.Random.seed
[18:00:58.275]     if (FALSE) {
[18:00:58.275]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:00:58.275]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:00:58.275]     }
[18:00:58.275]     ...future.result <- base::tryCatch({
[18:00:58.275]         base::withCallingHandlers({
[18:00:58.275]             ...future.value <- base::withVisible(base::local({
[18:00:58.275]                 42L
[18:00:58.275]                 stop("Woops")
[18:00:58.275]             }))
[18:00:58.275]             future::FutureResult(value = ...future.value$value, 
[18:00:58.275]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.275]                   ...future.rng), globalenv = if (FALSE) 
[18:00:58.275]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:00:58.275]                     ...future.globalenv.names))
[18:00:58.275]                 else NULL, started = ...future.startTime, version = "1.8")
[18:00:58.275]         }, condition = base::local({
[18:00:58.275]             c <- base::c
[18:00:58.275]             inherits <- base::inherits
[18:00:58.275]             invokeRestart <- base::invokeRestart
[18:00:58.275]             length <- base::length
[18:00:58.275]             list <- base::list
[18:00:58.275]             seq.int <- base::seq.int
[18:00:58.275]             signalCondition <- base::signalCondition
[18:00:58.275]             sys.calls <- base::sys.calls
[18:00:58.275]             `[[` <- base::`[[`
[18:00:58.275]             `+` <- base::`+`
[18:00:58.275]             `<<-` <- base::`<<-`
[18:00:58.275]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:00:58.275]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:00:58.275]                   3L)]
[18:00:58.275]             }
[18:00:58.275]             function(cond) {
[18:00:58.275]                 is_error <- inherits(cond, "error")
[18:00:58.275]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:00:58.275]                   NULL)
[18:00:58.275]                 if (is_error) {
[18:00:58.275]                   sessionInformation <- function() {
[18:00:58.275]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:00:58.275]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:00:58.275]                       search = base::search(), system = base::Sys.info())
[18:00:58.275]                   }
[18:00:58.275]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.275]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:00:58.275]                     cond$call), session = sessionInformation(), 
[18:00:58.275]                     timestamp = base::Sys.time(), signaled = 0L)
[18:00:58.275]                   signalCondition(cond)
[18:00:58.275]                 }
[18:00:58.275]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:00:58.275]                 "immediateCondition"))) {
[18:00:58.275]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:00:58.275]                   ...future.conditions[[length(...future.conditions) + 
[18:00:58.275]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:00:58.275]                   if (TRUE && !signal) {
[18:00:58.275]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.275]                     {
[18:00:58.275]                       inherits <- base::inherits
[18:00:58.275]                       invokeRestart <- base::invokeRestart
[18:00:58.275]                       is.null <- base::is.null
[18:00:58.275]                       muffled <- FALSE
[18:00:58.275]                       if (inherits(cond, "message")) {
[18:00:58.275]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.275]                         if (muffled) 
[18:00:58.275]                           invokeRestart("muffleMessage")
[18:00:58.275]                       }
[18:00:58.275]                       else if (inherits(cond, "warning")) {
[18:00:58.275]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.275]                         if (muffled) 
[18:00:58.275]                           invokeRestart("muffleWarning")
[18:00:58.275]                       }
[18:00:58.275]                       else if (inherits(cond, "condition")) {
[18:00:58.275]                         if (!is.null(pattern)) {
[18:00:58.275]                           computeRestarts <- base::computeRestarts
[18:00:58.275]                           grepl <- base::grepl
[18:00:58.275]                           restarts <- computeRestarts(cond)
[18:00:58.275]                           for (restart in restarts) {
[18:00:58.275]                             name <- restart$name
[18:00:58.275]                             if (is.null(name)) 
[18:00:58.275]                               next
[18:00:58.275]                             if (!grepl(pattern, name)) 
[18:00:58.275]                               next
[18:00:58.275]                             invokeRestart(restart)
[18:00:58.275]                             muffled <- TRUE
[18:00:58.275]                             break
[18:00:58.275]                           }
[18:00:58.275]                         }
[18:00:58.275]                       }
[18:00:58.275]                       invisible(muffled)
[18:00:58.275]                     }
[18:00:58.275]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.275]                   }
[18:00:58.275]                 }
[18:00:58.275]                 else {
[18:00:58.275]                   if (TRUE) {
[18:00:58.275]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:58.275]                     {
[18:00:58.275]                       inherits <- base::inherits
[18:00:58.275]                       invokeRestart <- base::invokeRestart
[18:00:58.275]                       is.null <- base::is.null
[18:00:58.275]                       muffled <- FALSE
[18:00:58.275]                       if (inherits(cond, "message")) {
[18:00:58.275]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:58.275]                         if (muffled) 
[18:00:58.275]                           invokeRestart("muffleMessage")
[18:00:58.275]                       }
[18:00:58.275]                       else if (inherits(cond, "warning")) {
[18:00:58.275]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:58.275]                         if (muffled) 
[18:00:58.275]                           invokeRestart("muffleWarning")
[18:00:58.275]                       }
[18:00:58.275]                       else if (inherits(cond, "condition")) {
[18:00:58.275]                         if (!is.null(pattern)) {
[18:00:58.275]                           computeRestarts <- base::computeRestarts
[18:00:58.275]                           grepl <- base::grepl
[18:00:58.275]                           restarts <- computeRestarts(cond)
[18:00:58.275]                           for (restart in restarts) {
[18:00:58.275]                             name <- restart$name
[18:00:58.275]                             if (is.null(name)) 
[18:00:58.275]                               next
[18:00:58.275]                             if (!grepl(pattern, name)) 
[18:00:58.275]                               next
[18:00:58.275]                             invokeRestart(restart)
[18:00:58.275]                             muffled <- TRUE
[18:00:58.275]                             break
[18:00:58.275]                           }
[18:00:58.275]                         }
[18:00:58.275]                       }
[18:00:58.275]                       invisible(muffled)
[18:00:58.275]                     }
[18:00:58.275]                     muffleCondition(cond, pattern = "^muffle")
[18:00:58.275]                   }
[18:00:58.275]                 }
[18:00:58.275]             }
[18:00:58.275]         }))
[18:00:58.275]     }, error = function(ex) {
[18:00:58.275]         base::structure(base::list(value = NULL, visible = NULL, 
[18:00:58.275]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:58.275]                 ...future.rng), started = ...future.startTime, 
[18:00:58.275]             finished = Sys.time(), session_uuid = NA_character_, 
[18:00:58.275]             version = "1.8"), class = "FutureResult")
[18:00:58.275]     }, finally = {
[18:00:58.275]         if (!identical(...future.workdir, getwd())) 
[18:00:58.275]             setwd(...future.workdir)
[18:00:58.275]         {
[18:00:58.275]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:00:58.275]                 ...future.oldOptions$nwarnings <- NULL
[18:00:58.275]             }
[18:00:58.275]             base::options(...future.oldOptions)
[18:00:58.275]             if (.Platform$OS.type == "windows") {
[18:00:58.275]                 old_names <- names(...future.oldEnvVars)
[18:00:58.275]                 envs <- base::Sys.getenv()
[18:00:58.275]                 names <- names(envs)
[18:00:58.275]                 common <- intersect(names, old_names)
[18:00:58.275]                 added <- setdiff(names, old_names)
[18:00:58.275]                 removed <- setdiff(old_names, names)
[18:00:58.275]                 changed <- common[...future.oldEnvVars[common] != 
[18:00:58.275]                   envs[common]]
[18:00:58.275]                 NAMES <- toupper(changed)
[18:00:58.275]                 args <- list()
[18:00:58.275]                 for (kk in seq_along(NAMES)) {
[18:00:58.275]                   name <- changed[[kk]]
[18:00:58.275]                   NAME <- NAMES[[kk]]
[18:00:58.275]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.275]                     next
[18:00:58.275]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.275]                 }
[18:00:58.275]                 NAMES <- toupper(added)
[18:00:58.275]                 for (kk in seq_along(NAMES)) {
[18:00:58.275]                   name <- added[[kk]]
[18:00:58.275]                   NAME <- NAMES[[kk]]
[18:00:58.275]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.275]                     next
[18:00:58.275]                   args[[name]] <- ""
[18:00:58.275]                 }
[18:00:58.275]                 NAMES <- toupper(removed)
[18:00:58.275]                 for (kk in seq_along(NAMES)) {
[18:00:58.275]                   name <- removed[[kk]]
[18:00:58.275]                   NAME <- NAMES[[kk]]
[18:00:58.275]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:58.275]                     next
[18:00:58.275]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:58.275]                 }
[18:00:58.275]                 if (length(args) > 0) 
[18:00:58.275]                   base::do.call(base::Sys.setenv, args = args)
[18:00:58.275]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:00:58.275]             }
[18:00:58.275]             else {
[18:00:58.275]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:00:58.275]             }
[18:00:58.275]             {
[18:00:58.275]                 if (base::length(...future.futureOptionsAdded) > 
[18:00:58.275]                   0L) {
[18:00:58.275]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:00:58.275]                   base::names(opts) <- ...future.futureOptionsAdded
[18:00:58.275]                   base::options(opts)
[18:00:58.275]                 }
[18:00:58.275]                 {
[18:00:58.275]                   {
[18:00:58.275]                     NULL
[18:00:58.275]                     RNGkind("Mersenne-Twister")
[18:00:58.275]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:00:58.275]                       inherits = FALSE)
[18:00:58.275]                   }
[18:00:58.275]                   options(future.plan = NULL)
[18:00:58.275]                   if (is.na(NA_character_)) 
[18:00:58.275]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:00:58.275]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:00:58.275]                   future::plan(list(function (..., envir = parent.frame()) 
[18:00:58.275]                   {
[18:00:58.275]                     future <- SequentialFuture(..., envir = envir)
[18:00:58.275]                     if (!future$lazy) 
[18:00:58.275]                       future <- run(future)
[18:00:58.275]                     invisible(future)
[18:00:58.275]                   }), .cleanup = FALSE, .init = FALSE)
[18:00:58.275]                 }
[18:00:58.275]             }
[18:00:58.275]         }
[18:00:58.275]     })
[18:00:58.275]     if (TRUE) {
[18:00:58.275]         base::sink(type = "output", split = FALSE)
[18:00:58.275]         if (TRUE) {
[18:00:58.275]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:00:58.275]         }
[18:00:58.275]         else {
[18:00:58.275]             ...future.result["stdout"] <- base::list(NULL)
[18:00:58.275]         }
[18:00:58.275]         base::close(...future.stdout)
[18:00:58.275]         ...future.stdout <- NULL
[18:00:58.275]     }
[18:00:58.275]     ...future.result$conditions <- ...future.conditions
[18:00:58.275]     ...future.result$finished <- base::Sys.time()
[18:00:58.275]     ...future.result
[18:00:58.275] }
[18:00:58.279] plan(): Setting new future strategy stack:
[18:00:58.280] List of future strategies:
[18:00:58.280] 1. sequential:
[18:00:58.280]    - args: function (..., envir = parent.frame())
[18:00:58.280]    - tweaked: FALSE
[18:00:58.280]    - call: NULL
[18:00:58.280] plan(): nbrOfWorkers() = 1
[18:00:58.281] plan(): Setting new future strategy stack:
[18:00:58.282] List of future strategies:
[18:00:58.282] 1. sequential:
[18:00:58.282]    - args: function (..., envir = parent.frame())
[18:00:58.282]    - tweaked: FALSE
[18:00:58.282]    - call: future::plan("sequential")
[18:00:58.282] plan(): nbrOfWorkers() = 1
[18:00:58.282] SequentialFuture started (and completed)
[18:00:58.282] signalConditions() ...
[18:00:58.283]  - include = 'immediateCondition'
[18:00:58.283]  - exclude = 
[18:00:58.283]  - resignal = FALSE
[18:00:58.283]  - Number of conditions: 1
[18:00:58.283] signalConditions() ... done
[18:00:58.283] - Launch lazy future ... done
[18:00:58.284] run() for 'SequentialFuture' ... done
> v <- value(f, signal = FALSE)
[18:00:58.284] signalConditions() ...
[18:00:58.284]  - include = 'immediateCondition'
[18:00:58.284]  - exclude = 
[18:00:58.284]  - resignal = FALSE
[18:00:58.285]  - Number of conditions: 1
[18:00:58.285] signalConditions() ... done
> 
> if (availableCores() >= 2L) {
+   message("- Non-resolved future ...")
+   plan(multisession, workers = 2L)
+   f <- future({ Sys.sleep(3); 42L; stop("Woops") })
+   res <- tryCatch(backtrace(f), error = identity)
+   print(res)
+   stopifnot(inherits(res, "error"))
+   
+   ## If we don't resolve the future, the cluster of workers will not
+   ## be able to shut down naturally. They will eventually time out,
+   ## but that will happen long after 'R CMD check' terminates. Because
+   ## of this, 'R CMD check --as-cran' will report on "detritus in the
+   ## temp directory" when running on MS Windows.  This happens because
+   ## MS Windows doesn't shut down child processes as Linux and macOS
+   ## does when the main R session terminates.
+   resolve(f)
+ }
- Non-resolved future ...
[18:00:58.290] plan(): Setting new future strategy stack:
[18:00:58.291] List of future strategies:
[18:00:58.291] 1. multisession:
[18:00:58.291]    - args: function (..., workers = 2L, envir = parent.frame())
[18:00:58.291]    - tweaked: TRUE
[18:00:58.291]    - call: plan(multisession, workers = 2L)
[18:00:58.305] plan(): plan_init() of 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function' ...
[18:00:58.305] multisession:
[18:00:58.305] - args: function (..., workers = 2L, envir = parent.frame())
[18:00:58.305] - tweaked: TRUE
[18:00:58.305] - call: plan(multisession, workers = 2L)
[18:00:58.306] getGlobalsAndPackages() ...
[18:00:58.306] Not searching for globals
[18:00:58.307] - globals: [0] <none>
[18:00:58.307] getGlobalsAndPackages() ... DONE
[18:00:58.307] [local output] makeClusterPSOCK() ...
[18:00:58.338] [local output] Workers: [n = 2] 'localhost', 'localhost'
[18:00:58.344] [local output] Base port: 24301
[18:00:58.345] [local output] Getting setup options for 2 cluster nodes ...
[18:00:58.345] [local output]  - Node 1 of 2 ...
[18:00:58.345] [local output] localMachine=TRUE => revtunnel=FALSE

[18:00:58.347] Testing if worker's PID can be inferred: '"D:/RCompile/recent/R/bin/x64/Rscript" -e "try(suppressWarnings(cat(Sys.getpid(),file=\"D:/temp/Rtmpi8UiM2/worker.rank=1.parallelly.parent=26024.65a86e425cdb.pid\")), silent = TRUE)" -e "file.exists(\"D:/temp/Rtmpi8UiM2/worker.rank=1.parallelly.parent=26024.65a86e425cdb.pid\")"'
[18:00:58.788] - Possible to infer worker's PID: TRUE
[18:00:58.788] [local output] Rscript port: 24301

[18:00:58.789] [local output]  - Node 2 of 2 ...
[18:00:58.789] [local output] localMachine=TRUE => revtunnel=FALSE

[18:00:58.790] [local output] Rscript port: 24301

[18:00:58.791] [local output] Getting setup options for 2 cluster nodes ... done
[18:00:58.791] [local output]  - Parallel setup requested for some PSOCK nodes
[18:00:58.792] [local output] Setting up PSOCK nodes in parallel
[18:00:58.792] List of 36
[18:00:58.792]  $ worker          : chr "localhost"
[18:00:58.792]   ..- attr(*, "localhost")= logi TRUE
[18:00:58.792]  $ master          : chr "localhost"
[18:00:58.792]  $ port            : int 24301
[18:00:58.792]  $ connectTimeout  : num 120
[18:00:58.792]  $ timeout         : num 120
[18:00:58.792]  $ rscript         : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\""
[18:00:58.792]  $ homogeneous     : logi TRUE
[18:00:58.792]  $ rscript_args    : chr "--default-packages=datasets,utils,grDevices,graphics,stats,methods -e \"#label=backtrace.R:26024:CRANWIN3:CRAN\"| __truncated__
[18:00:58.792]  $ rscript_envs    : NULL
[18:00:58.792]  $ rscript_libs    : chr [1:2] "D:/temp/Rtmp67Lu9b/RLIBS_19fe819742e2c" "D:/RCompile/recent/R/library"
[18:00:58.792]  $ rscript_startup : NULL
[18:00:58.792]  $ rscript_sh      : chr "cmd"
[18:00:58.792]  $ default_packages: chr [1:6] "datasets" "utils" "grDevices" "graphics" ...
[18:00:58.792]  $ methods         : logi TRUE
[18:00:58.792]  $ socketOptions   : chr "no-delay"
[18:00:58.792]  $ useXDR          : logi FALSE
[18:00:58.792]  $ outfile         : chr "/dev/null"
[18:00:58.792]  $ renice          : int NA
[18:00:58.792]  $ rshcmd          : NULL
[18:00:58.792]  $ user            : chr(0) 
[18:00:58.792]  $ revtunnel       : logi FALSE
[18:00:58.792]  $ rshlogfile      : NULL
[18:00:58.792]  $ rshopts         : chr(0) 
[18:00:58.792]  $ rank            : int 1
[18:00:58.792]  $ manual          : logi FALSE
[18:00:58.792]  $ dryrun          : logi FALSE
[18:00:58.792]  $ quiet           : logi FALSE
[18:00:58.792]  $ setup_strategy  : chr "parallel"
[18:00:58.792]  $ local_cmd       : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "| __truncated__
[18:00:58.792]  $ pidfile         : chr "D:/temp/Rtmpi8UiM2/worker.rank=1.parallelly.parent=26024.65a86e425cdb.pid"
[18:00:58.792]  $ rshcmd_label    : NULL
[18:00:58.792]  $ rsh_call        : NULL
[18:00:58.792]  $ cmd             : chr "\"D:/RCompile/recent/R/bin/x64/Rscript\" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "| __truncated__
[18:00:58.792]  $ localMachine    : logi TRUE
[18:00:58.792]  $ make_fcn        :function (worker = getOption2("parallelly.localhost.hostname", "localhost"), 
[18:00:58.792]     master = NULL, port, connectTimeout = getOption2("parallelly.makeNodePSOCK.connectTimeout", 
[18:00:58.792]         2 * 60), timeout = getOption2("parallelly.makeNodePSOCK.timeout", 
[18:00:58.792]         30 * 24 * 60 * 60), rscript = NULL, homogeneous = NULL, rscript_args = NULL, 
[18:00:58.792]     rscript_envs = NULL, rscript_libs = NULL, rscript_startup = NULL, rscript_sh = c("auto", 
[18:00:58.792]         "cmd", "sh"), default_packages = c("datasets", "utils", "grDevices", 
[18:00:58.792]         "graphics", "stats", if (methods) "methods"), methods = TRUE, socketOptions = getOption2("parallelly.makeNodePSOCK.socketOptions", 
[18:00:58.792]         "no-delay"), useXDR = getOption2("parallelly.makeNodePSOCK.useXDR", 
[18:00:58.792]         FALSE), outfile = "/dev/null", renice = NA_integer_, rshcmd = getOption2("parallelly.makeNodePSOCK.rshcmd", 
[18:00:58.792]         NULL), user = NULL, revtunnel = NA, rshlogfile = NULL, rshopts = getOption2("parallelly.makeNodePSOCK.rshopts", 
[18:00:58.792]         NULL), rank = 1L, manual = FALSE, dryrun = FALSE, quiet = FALSE, 
[18:00:58.792]     setup_strategy = getOption2("parallelly.makeNodePSOCK.setup_strategy", 
[18:00:58.792]         "parallel"), action = c("launch", "options"), verbose = FALSE)  
[18:00:58.792]  $ arguments       :List of 28
[18:00:58.792]   ..$ worker          : chr "localhost"
[18:00:58.792]   ..$ master          : NULL
[18:00:58.792]   ..$ port            : int 24301
[18:00:58.792]   ..$ connectTimeout  : num 120
[18:00:58.792]   ..$ timeout         : num 120
[18:00:58.792]   ..$ rscript         : NULL
[18:00:58.792]   ..$ homogeneous     : NULL
[18:00:58.792]   ..$ rscript_args    : NULL
[18:00:58.792]   ..$ rscript_envs    : NULL
[18:00:58.792]   ..$ rscript_libs    : chr [1:2] "D:/temp/Rtmp67Lu9b/RLIBS_19fe819742e2c" "D:/RCompile/recent/R/library"
[18:00:58.792]   ..$ rscript_startup : NULL
[18:00:58.792]   ..$ rscript_sh      : chr [1:3] "auto" "cmd" "sh"
[18:00:58.792]   ..$ default_packages: chr [1:6] "datasets" "utils" "grDevices" "graphics" ...
[18:00:58.792]   ..$ methods         : logi TRUE
[18:00:58.792]   ..$ socketOptions   : chr "no-delay"
[18:00:58.792]   ..$ useXDR          : logi FALSE
[18:00:58.792]   ..$ outfile         : chr "/dev/null"
[18:00:58.792]   ..$ renice          : int NA
[18:00:58.792]   ..$ rshcmd          : NULL
[18:00:58.792]   ..$ user            : NULL
[18:00:58.792]   ..$ revtunnel       : logi NA
[18:00:58.792]   ..$ rshlogfile      : NULL
[18:00:58.792]   ..$ rshopts         : NULL
[18:00:58.792]   ..$ rank            : int 1
[18:00:58.792]   ..$ manual          : logi FALSE
[18:00:58.792]   ..$ dryrun          : logi FALSE
[18:00:58.792]   ..$ quiet           : logi FALSE
[18:00:58.792]   ..$ setup_strategy  : chr "parallel"
[18:00:58.792]  - attr(*, "class")= chr [1:2] "makeNodePSOCKOptions" "makeNodeOptions"
[18:00:58.816] [local output] System call to launch all workers:
[18:00:58.816] [local output] "D:/RCompile/recent/R/bin/x64/Rscript" --default-packages=datasets,utils,grDevices,graphics,stats,methods -e "#label=backtrace.R:26024:CRANWIN3:CRAN" -e "try(suppressWarnings(cat(Sys.getpid(),file=\"D:/temp/Rtmpi8UiM2/worker.rank=1.parallelly.parent=26024.65a86e425cdb.pid\")), silent = TRUE)" -e "options(socketOptions = \"no-delay\")" -e ".libPaths(c(\"D:/temp/Rtmp67Lu9b/RLIBS_19fe819742e2c\",\"D:/RCompile/recent/R/library\"))" -e "workRSOCK <- tryCatch(parallel:::.workRSOCK, error=function(e) parallel:::.slaveRSOCK); workRSOCK()" MASTER=localhost PORT=24301 OUT=/dev/null TIMEOUT=120 XDR=FALSE SETUPTIMEOUT=120 SETUPSTRATEGY=parallel
[18:00:58.816] [local output] Starting PSOCK main server
[18:00:58.824] [local output] Workers launched
[18:00:58.825] [local output] Waiting for workers to connect back
[18:00:58.825]  - [local output] 0 workers out of 2 ready
[18:00:58.996]  - [local output] 0 workers out of 2 ready
[18:00:58.996]  - [local output] 1 workers out of 2 ready
[18:00:58.997]  - [local output] 2 workers out of 2 ready
[18:00:58.997] [local output] Launching of workers completed
[18:00:58.997] [local output] Collecting session information from workers
[18:00:58.998] [local output]  - Worker #1 of 2
[18:00:58.999] [local output]  - Worker #2 of 2
[18:00:58.999] [local output] makeClusterPSOCK() ... done
[18:00:59.012] Packages needed by the future expression (n = 0): <none>
[18:00:59.012] Packages needed by future strategies (n = 0): <none>
[18:00:59.013] {
[18:00:59.013]     {
[18:00:59.013]         {
[18:00:59.013]             ...future.startTime <- base::Sys.time()
[18:00:59.013]             {
[18:00:59.013]                 {
[18:00:59.013]                   {
[18:00:59.013]                     {
[18:00:59.013]                       base::local({
[18:00:59.013]                         has_future <- base::requireNamespace("future", 
[18:00:59.013]                           quietly = TRUE)
[18:00:59.013]                         if (has_future) {
[18:00:59.013]                           ns <- base::getNamespace("future")
[18:00:59.013]                           version <- ns[[".package"]][["version"]]
[18:00:59.013]                           if (is.null(version)) 
[18:00:59.013]                             version <- utils::packageVersion("future")
[18:00:59.013]                         }
[18:00:59.013]                         else {
[18:00:59.013]                           version <- NULL
[18:00:59.013]                         }
[18:00:59.013]                         if (!has_future || version < "1.8.0") {
[18:00:59.013]                           info <- base::c(r_version = base::gsub("R version ", 
[18:00:59.013]                             "", base::R.version$version.string), 
[18:00:59.013]                             platform = base::sprintf("%s (%s-bit)", 
[18:00:59.013]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:00:59.013]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[18:00:59.013]                               "release", "version")], collapse = " "), 
[18:00:59.013]                             hostname = base::Sys.info()[["nodename"]])
[18:00:59.013]                           info <- base::sprintf("%s: %s", base::names(info), 
[18:00:59.013]                             info)
[18:00:59.013]                           info <- base::paste(info, collapse = "; ")
[18:00:59.013]                           if (!has_future) {
[18:00:59.013]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:00:59.013]                               info)
[18:00:59.013]                           }
[18:00:59.013]                           else {
[18:00:59.013]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:00:59.013]                               info, version)
[18:00:59.013]                           }
[18:00:59.013]                           base::stop(msg)
[18:00:59.013]                         }
[18:00:59.013]                       })
[18:00:59.013]                     }
[18:00:59.013]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[18:00:59.013]                     base::options(mc.cores = 1L)
[18:00:59.013]                   }
[18:00:59.013]                   options(future.plan = NULL)
[18:00:59.013]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:00:59.013]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:00:59.013]                 }
[18:00:59.013]                 ...future.workdir <- getwd()
[18:00:59.013]             }
[18:00:59.013]             ...future.oldOptions <- base::as.list(base::.Options)
[18:00:59.013]             ...future.oldEnvVars <- base::Sys.getenv()
[18:00:59.013]         }
[18:00:59.013]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:00:59.013]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:00:59.013]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:00:59.013]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:00:59.013]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:00:59.013]             future.stdout.windows.reencode = NULL, width = 80L)
[18:00:59.013]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:00:59.013]             base::names(...future.oldOptions))
[18:00:59.013]     }
[18:00:59.013]     if (FALSE) {
[18:00:59.013]     }
[18:00:59.013]     else {
[18:00:59.013]         if (TRUE) {
[18:00:59.013]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:00:59.013]                 open = "w")
[18:00:59.013]         }
[18:00:59.013]         else {
[18:00:59.013]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:00:59.013]                 windows = "NUL", "/dev/null"), open = "w")
[18:00:59.013]         }
[18:00:59.013]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:00:59.013]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:00:59.013]             base::sink(type = "output", split = FALSE)
[18:00:59.013]             base::close(...future.stdout)
[18:00:59.013]         }, add = TRUE)
[18:00:59.013]     }
[18:00:59.013]     ...future.frame <- base::sys.nframe()
[18:00:59.013]     ...future.conditions <- base::list()
[18:00:59.013]     ...future.rng <- base::globalenv()$.Random.seed
[18:00:59.013]     if (FALSE) {
[18:00:59.013]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:00:59.013]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:00:59.013]     }
[18:00:59.013]     ...future.result <- base::tryCatch({
[18:00:59.013]         base::withCallingHandlers({
[18:00:59.013]             ...future.value <- base::withVisible(base::local({
[18:00:59.013]                 ...future.makeSendCondition <- local({
[18:00:59.013]                   sendCondition <- NULL
[18:00:59.013]                   function(frame = 1L) {
[18:00:59.013]                     if (is.function(sendCondition)) 
[18:00:59.013]                       return(sendCondition)
[18:00:59.013]                     ns <- getNamespace("parallel")
[18:00:59.013]                     if (exists("sendData", mode = "function", 
[18:00:59.013]                       envir = ns)) {
[18:00:59.013]                       parallel_sendData <- get("sendData", mode = "function", 
[18:00:59.013]                         envir = ns)
[18:00:59.013]                       envir <- sys.frame(frame)
[18:00:59.013]                       master <- NULL
[18:00:59.013]                       while (!identical(envir, .GlobalEnv) && 
[18:00:59.013]                         !identical(envir, emptyenv())) {
[18:00:59.013]                         if (exists("master", mode = "list", envir = envir, 
[18:00:59.013]                           inherits = FALSE)) {
[18:00:59.013]                           master <- get("master", mode = "list", 
[18:00:59.013]                             envir = envir, inherits = FALSE)
[18:00:59.013]                           if (inherits(master, c("SOCKnode", 
[18:00:59.013]                             "SOCK0node"))) {
[18:00:59.013]                             sendCondition <<- function(cond) {
[18:00:59.013]                               data <- list(type = "VALUE", value = cond, 
[18:00:59.013]                                 success = TRUE)
[18:00:59.013]                               parallel_sendData(master, data)
[18:00:59.013]                             }
[18:00:59.013]                             return(sendCondition)
[18:00:59.013]                           }
[18:00:59.013]                         }
[18:00:59.013]                         frame <- frame + 1L
[18:00:59.013]                         envir <- sys.frame(frame)
[18:00:59.013]                       }
[18:00:59.013]                     }
[18:00:59.013]                     sendCondition <<- function(cond) NULL
[18:00:59.013]                   }
[18:00:59.013]                 })
[18:00:59.013]                 withCallingHandlers({
[18:00:59.013]                   NA
[18:00:59.013]                 }, immediateCondition = function(cond) {
[18:00:59.013]                   sendCondition <- ...future.makeSendCondition()
[18:00:59.013]                   sendCondition(cond)
[18:00:59.013]                   muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:59.013]                   {
[18:00:59.013]                     inherits <- base::inherits
[18:00:59.013]                     invokeRestart <- base::invokeRestart
[18:00:59.013]                     is.null <- base::is.null
[18:00:59.013]                     muffled <- FALSE
[18:00:59.013]                     if (inherits(cond, "message")) {
[18:00:59.013]                       muffled <- grepl(pattern, "muffleMessage")
[18:00:59.013]                       if (muffled) 
[18:00:59.013]                         invokeRestart("muffleMessage")
[18:00:59.013]                     }
[18:00:59.013]                     else if (inherits(cond, "warning")) {
[18:00:59.013]                       muffled <- grepl(pattern, "muffleWarning")
[18:00:59.013]                       if (muffled) 
[18:00:59.013]                         invokeRestart("muffleWarning")
[18:00:59.013]                     }
[18:00:59.013]                     else if (inherits(cond, "condition")) {
[18:00:59.013]                       if (!is.null(pattern)) {
[18:00:59.013]                         computeRestarts <- base::computeRestarts
[18:00:59.013]                         grepl <- base::grepl
[18:00:59.013]                         restarts <- computeRestarts(cond)
[18:00:59.013]                         for (restart in restarts) {
[18:00:59.013]                           name <- restart$name
[18:00:59.013]                           if (is.null(name)) 
[18:00:59.013]                             next
[18:00:59.013]                           if (!grepl(pattern, name)) 
[18:00:59.013]                             next
[18:00:59.013]                           invokeRestart(restart)
[18:00:59.013]                           muffled <- TRUE
[18:00:59.013]                           break
[18:00:59.013]                         }
[18:00:59.013]                       }
[18:00:59.013]                     }
[18:00:59.013]                     invisible(muffled)
[18:00:59.013]                   }
[18:00:59.013]                   muffleCondition(cond)
[18:00:59.013]                 })
[18:00:59.013]             }))
[18:00:59.013]             future::FutureResult(value = ...future.value$value, 
[18:00:59.013]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:59.013]                   ...future.rng), globalenv = if (FALSE) 
[18:00:59.013]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:00:59.013]                     ...future.globalenv.names))
[18:00:59.013]                 else NULL, started = ...future.startTime, version = "1.8")
[18:00:59.013]         }, condition = base::local({
[18:00:59.013]             c <- base::c
[18:00:59.013]             inherits <- base::inherits
[18:00:59.013]             invokeRestart <- base::invokeRestart
[18:00:59.013]             length <- base::length
[18:00:59.013]             list <- base::list
[18:00:59.013]             seq.int <- base::seq.int
[18:00:59.013]             signalCondition <- base::signalCondition
[18:00:59.013]             sys.calls <- base::sys.calls
[18:00:59.013]             `[[` <- base::`[[`
[18:00:59.013]             `+` <- base::`+`
[18:00:59.013]             `<<-` <- base::`<<-`
[18:00:59.013]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:00:59.013]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:00:59.013]                   3L)]
[18:00:59.013]             }
[18:00:59.013]             function(cond) {
[18:00:59.013]                 is_error <- inherits(cond, "error")
[18:00:59.013]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:00:59.013]                   NULL)
[18:00:59.013]                 if (is_error) {
[18:00:59.013]                   sessionInformation <- function() {
[18:00:59.013]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:00:59.013]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:00:59.013]                       search = base::search(), system = base::Sys.info())
[18:00:59.013]                   }
[18:00:59.013]                   ...future.conditions[[length(...future.conditions) + 
[18:00:59.013]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:00:59.013]                     cond$call), session = sessionInformation(), 
[18:00:59.013]                     timestamp = base::Sys.time(), signaled = 0L)
[18:00:59.013]                   signalCondition(cond)
[18:00:59.013]                 }
[18:00:59.013]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:00:59.013]                 "immediateCondition"))) {
[18:00:59.013]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:00:59.013]                   ...future.conditions[[length(...future.conditions) + 
[18:00:59.013]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:00:59.013]                   if (TRUE && !signal) {
[18:00:59.013]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:59.013]                     {
[18:00:59.013]                       inherits <- base::inherits
[18:00:59.013]                       invokeRestart <- base::invokeRestart
[18:00:59.013]                       is.null <- base::is.null
[18:00:59.013]                       muffled <- FALSE
[18:00:59.013]                       if (inherits(cond, "message")) {
[18:00:59.013]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:59.013]                         if (muffled) 
[18:00:59.013]                           invokeRestart("muffleMessage")
[18:00:59.013]                       }
[18:00:59.013]                       else if (inherits(cond, "warning")) {
[18:00:59.013]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:59.013]                         if (muffled) 
[18:00:59.013]                           invokeRestart("muffleWarning")
[18:00:59.013]                       }
[18:00:59.013]                       else if (inherits(cond, "condition")) {
[18:00:59.013]                         if (!is.null(pattern)) {
[18:00:59.013]                           computeRestarts <- base::computeRestarts
[18:00:59.013]                           grepl <- base::grepl
[18:00:59.013]                           restarts <- computeRestarts(cond)
[18:00:59.013]                           for (restart in restarts) {
[18:00:59.013]                             name <- restart$name
[18:00:59.013]                             if (is.null(name)) 
[18:00:59.013]                               next
[18:00:59.013]                             if (!grepl(pattern, name)) 
[18:00:59.013]                               next
[18:00:59.013]                             invokeRestart(restart)
[18:00:59.013]                             muffled <- TRUE
[18:00:59.013]                             break
[18:00:59.013]                           }
[18:00:59.013]                         }
[18:00:59.013]                       }
[18:00:59.013]                       invisible(muffled)
[18:00:59.013]                     }
[18:00:59.013]                     muffleCondition(cond, pattern = "^muffle")
[18:00:59.013]                   }
[18:00:59.013]                 }
[18:00:59.013]                 else {
[18:00:59.013]                   if (TRUE) {
[18:00:59.013]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:59.013]                     {
[18:00:59.013]                       inherits <- base::inherits
[18:00:59.013]                       invokeRestart <- base::invokeRestart
[18:00:59.013]                       is.null <- base::is.null
[18:00:59.013]                       muffled <- FALSE
[18:00:59.013]                       if (inherits(cond, "message")) {
[18:00:59.013]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:59.013]                         if (muffled) 
[18:00:59.013]                           invokeRestart("muffleMessage")
[18:00:59.013]                       }
[18:00:59.013]                       else if (inherits(cond, "warning")) {
[18:00:59.013]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:59.013]                         if (muffled) 
[18:00:59.013]                           invokeRestart("muffleWarning")
[18:00:59.013]                       }
[18:00:59.013]                       else if (inherits(cond, "condition")) {
[18:00:59.013]                         if (!is.null(pattern)) {
[18:00:59.013]                           computeRestarts <- base::computeRestarts
[18:00:59.013]                           grepl <- base::grepl
[18:00:59.013]                           restarts <- computeRestarts(cond)
[18:00:59.013]                           for (restart in restarts) {
[18:00:59.013]                             name <- restart$name
[18:00:59.013]                             if (is.null(name)) 
[18:00:59.013]                               next
[18:00:59.013]                             if (!grepl(pattern, name)) 
[18:00:59.013]                               next
[18:00:59.013]                             invokeRestart(restart)
[18:00:59.013]                             muffled <- TRUE
[18:00:59.013]                             break
[18:00:59.013]                           }
[18:00:59.013]                         }
[18:00:59.013]                       }
[18:00:59.013]                       invisible(muffled)
[18:00:59.013]                     }
[18:00:59.013]                     muffleCondition(cond, pattern = "^muffle")
[18:00:59.013]                   }
[18:00:59.013]                 }
[18:00:59.013]             }
[18:00:59.013]         }))
[18:00:59.013]     }, error = function(ex) {
[18:00:59.013]         base::structure(base::list(value = NULL, visible = NULL, 
[18:00:59.013]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:59.013]                 ...future.rng), started = ...future.startTime, 
[18:00:59.013]             finished = Sys.time(), session_uuid = NA_character_, 
[18:00:59.013]             version = "1.8"), class = "FutureResult")
[18:00:59.013]     }, finally = {
[18:00:59.013]         if (!identical(...future.workdir, getwd())) 
[18:00:59.013]             setwd(...future.workdir)
[18:00:59.013]         {
[18:00:59.013]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:00:59.013]                 ...future.oldOptions$nwarnings <- NULL
[18:00:59.013]             }
[18:00:59.013]             base::options(...future.oldOptions)
[18:00:59.013]             if (.Platform$OS.type == "windows") {
[18:00:59.013]                 old_names <- names(...future.oldEnvVars)
[18:00:59.013]                 envs <- base::Sys.getenv()
[18:00:59.013]                 names <- names(envs)
[18:00:59.013]                 common <- intersect(names, old_names)
[18:00:59.013]                 added <- setdiff(names, old_names)
[18:00:59.013]                 removed <- setdiff(old_names, names)
[18:00:59.013]                 changed <- common[...future.oldEnvVars[common] != 
[18:00:59.013]                   envs[common]]
[18:00:59.013]                 NAMES <- toupper(changed)
[18:00:59.013]                 args <- list()
[18:00:59.013]                 for (kk in seq_along(NAMES)) {
[18:00:59.013]                   name <- changed[[kk]]
[18:00:59.013]                   NAME <- NAMES[[kk]]
[18:00:59.013]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:59.013]                     next
[18:00:59.013]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:59.013]                 }
[18:00:59.013]                 NAMES <- toupper(added)
[18:00:59.013]                 for (kk in seq_along(NAMES)) {
[18:00:59.013]                   name <- added[[kk]]
[18:00:59.013]                   NAME <- NAMES[[kk]]
[18:00:59.013]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:59.013]                     next
[18:00:59.013]                   args[[name]] <- ""
[18:00:59.013]                 }
[18:00:59.013]                 NAMES <- toupper(removed)
[18:00:59.013]                 for (kk in seq_along(NAMES)) {
[18:00:59.013]                   name <- removed[[kk]]
[18:00:59.013]                   NAME <- NAMES[[kk]]
[18:00:59.013]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:59.013]                     next
[18:00:59.013]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:59.013]                 }
[18:00:59.013]                 if (length(args) > 0) 
[18:00:59.013]                   base::do.call(base::Sys.setenv, args = args)
[18:00:59.013]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:00:59.013]             }
[18:00:59.013]             else {
[18:00:59.013]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:00:59.013]             }
[18:00:59.013]             {
[18:00:59.013]                 if (base::length(...future.futureOptionsAdded) > 
[18:00:59.013]                   0L) {
[18:00:59.013]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:00:59.013]                   base::names(opts) <- ...future.futureOptionsAdded
[18:00:59.013]                   base::options(opts)
[18:00:59.013]                 }
[18:00:59.013]                 {
[18:00:59.013]                   {
[18:00:59.013]                     base::options(mc.cores = ...future.mc.cores.old)
[18:00:59.013]                     NULL
[18:00:59.013]                   }
[18:00:59.013]                   options(future.plan = NULL)
[18:00:59.013]                   if (is.na(NA_character_)) 
[18:00:59.013]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:00:59.013]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:00:59.013]                   future::plan(list(function (..., workers = 2L, 
[18:00:59.013]                     envir = parent.frame()) 
[18:00:59.013]                   strategy(..., workers = workers, envir = envir)), 
[18:00:59.013]                     .cleanup = FALSE, .init = FALSE)
[18:00:59.013]                 }
[18:00:59.013]             }
[18:00:59.013]         }
[18:00:59.013]     })
[18:00:59.013]     if (TRUE) {
[18:00:59.013]         base::sink(type = "output", split = FALSE)
[18:00:59.013]         if (TRUE) {
[18:00:59.013]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:00:59.013]         }
[18:00:59.013]         else {
[18:00:59.013]             ...future.result["stdout"] <- base::list(NULL)
[18:00:59.013]         }
[18:00:59.013]         base::close(...future.stdout)
[18:00:59.013]         ...future.stdout <- NULL
[18:00:59.013]     }
[18:00:59.013]     ...future.result$conditions <- ...future.conditions
[18:00:59.013]     ...future.result$finished <- base::Sys.time()
[18:00:59.013]     ...future.result
[18:00:59.013] }
[18:00:59.096] MultisessionFuture started
[18:00:59.097] result() for ClusterFuture ...
[18:00:59.097] receiveMessageFromWorker() for ClusterFuture ...
[18:00:59.097] - Validating connection of MultisessionFuture
[18:00:59.151] - received message: FutureResult
[18:00:59.151] - Received FutureResult
[18:00:59.155] - Erased future from FutureRegistry
[18:00:59.155] result() for ClusterFuture ...
[18:00:59.155] - result already collected: FutureResult
[18:00:59.155] result() for ClusterFuture ... done
[18:00:59.155] receiveMessageFromWorker() for ClusterFuture ... done
[18:00:59.156] result() for ClusterFuture ... done
[18:00:59.156] result() for ClusterFuture ...
[18:00:59.156] - result already collected: FutureResult
[18:00:59.156] result() for ClusterFuture ... done
[18:00:59.156] plan(): plan_init() of 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function' ... DONE
[18:00:59.157] plan(): nbrOfWorkers() = 2
[18:00:59.157] getGlobalsAndPackages() ...
[18:00:59.157] Searching for globals...
[18:00:59.159] - globals found: [3] '{', 'Sys.sleep', 'stop'
[18:00:59.159] Searching for globals ... DONE
[18:00:59.159] Resolving globals: FALSE
[18:00:59.160] 
[18:00:59.160] 
[18:00:59.160] getGlobalsAndPackages() ... DONE
[18:00:59.161] run() for 'Future' ...
[18:00:59.161] - state: 'created'
[18:00:59.161] - Future backend: 'FutureStrategy', 'tweaked', 'multisession', 'cluster', 'multiprocess', 'future', 'function'
[18:00:59.173] - Future class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
[18:00:59.174] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ...
[18:00:59.174]   - Field: 'node'
[18:00:59.174]   - Field: 'label'
[18:00:59.174]   - Field: 'local'
[18:00:59.174]   - Field: 'owner'
[18:00:59.174]   - Field: 'envir'
[18:00:59.175]   - Field: 'workers'
[18:00:59.175]   - Field: 'packages'
[18:00:59.175]   - Field: 'gc'
[18:00:59.175]   - Field: 'conditions'
[18:00:59.175]   - Field: 'persistent'
[18:00:59.176]   - Field: 'expr'
[18:00:59.176]   - Field: 'uuid'
[18:00:59.176]   - Field: 'seed'
[18:00:59.176]   - Field: 'version'
[18:00:59.176]   - Field: 'result'
[18:00:59.177]   - Field: 'asynchronous'
[18:00:59.177]   - Field: 'calls'
[18:00:59.177]   - Field: 'globals'
[18:00:59.177]   - Field: 'stdout'
[18:00:59.177]   - Field: 'earlySignal'
[18:00:59.178]   - Field: 'lazy'
[18:00:59.178]   - Field: 'state'
[18:00:59.178] - Copy elements of temporary 'MultisessionFuture' to final 'Future' object ... done
[18:00:59.178] - Launch lazy future ...
[18:00:59.180] Packages needed by the future expression (n = 0): <none>
[18:00:59.181] Packages needed by future strategies (n = 0): <none>
[18:00:59.182] {
[18:00:59.182]     {
[18:00:59.182]         {
[18:00:59.182]             ...future.startTime <- base::Sys.time()
[18:00:59.182]             {
[18:00:59.182]                 {
[18:00:59.182]                   {
[18:00:59.182]                     {
[18:00:59.182]                       base::local({
[18:00:59.182]                         has_future <- base::requireNamespace("future", 
[18:00:59.182]                           quietly = TRUE)
[18:00:59.182]                         if (has_future) {
[18:00:59.182]                           ns <- base::getNamespace("future")
[18:00:59.182]                           version <- ns[[".package"]][["version"]]
[18:00:59.182]                           if (is.null(version)) 
[18:00:59.182]                             version <- utils::packageVersion("future")
[18:00:59.182]                         }
[18:00:59.182]                         else {
[18:00:59.182]                           version <- NULL
[18:00:59.182]                         }
[18:00:59.182]                         if (!has_future || version < "1.8.0") {
[18:00:59.182]                           info <- base::c(r_version = base::gsub("R version ", 
[18:00:59.182]                             "", base::R.version$version.string), 
[18:00:59.182]                             platform = base::sprintf("%s (%s-bit)", 
[18:00:59.182]                               base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:00:59.182]                             os = base::paste(base::Sys.info()[base::c("sysname", 
[18:00:59.182]                               "release", "version")], collapse = " "), 
[18:00:59.182]                             hostname = base::Sys.info()[["nodename"]])
[18:00:59.182]                           info <- base::sprintf("%s: %s", base::names(info), 
[18:00:59.182]                             info)
[18:00:59.182]                           info <- base::paste(info, collapse = "; ")
[18:00:59.182]                           if (!has_future) {
[18:00:59.182]                             msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:00:59.182]                               info)
[18:00:59.182]                           }
[18:00:59.182]                           else {
[18:00:59.182]                             msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:00:59.182]                               info, version)
[18:00:59.182]                           }
[18:00:59.182]                           base::stop(msg)
[18:00:59.182]                         }
[18:00:59.182]                       })
[18:00:59.182]                     }
[18:00:59.182]                     ...future.mc.cores.old <- base::getOption("mc.cores")
[18:00:59.182]                     base::options(mc.cores = 1L)
[18:00:59.182]                   }
[18:00:59.182]                   options(future.plan = NULL)
[18:00:59.182]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:00:59.182]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:00:59.182]                 }
[18:00:59.182]                 ...future.workdir <- getwd()
[18:00:59.182]             }
[18:00:59.182]             ...future.oldOptions <- base::as.list(base::.Options)
[18:00:59.182]             ...future.oldEnvVars <- base::Sys.getenv()
[18:00:59.182]         }
[18:00:59.182]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:00:59.182]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:00:59.182]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:00:59.182]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:00:59.182]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:00:59.182]             future.stdout.windows.reencode = NULL, width = 80L)
[18:00:59.182]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:00:59.182]             base::names(...future.oldOptions))
[18:00:59.182]     }
[18:00:59.182]     if (FALSE) {
[18:00:59.182]     }
[18:00:59.182]     else {
[18:00:59.182]         if (TRUE) {
[18:00:59.182]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:00:59.182]                 open = "w")
[18:00:59.182]         }
[18:00:59.182]         else {
[18:00:59.182]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:00:59.182]                 windows = "NUL", "/dev/null"), open = "w")
[18:00:59.182]         }
[18:00:59.182]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:00:59.182]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:00:59.182]             base::sink(type = "output", split = FALSE)
[18:00:59.182]             base::close(...future.stdout)
[18:00:59.182]         }, add = TRUE)
[18:00:59.182]     }
[18:00:59.182]     ...future.frame <- base::sys.nframe()
[18:00:59.182]     ...future.conditions <- base::list()
[18:00:59.182]     ...future.rng <- base::globalenv()$.Random.seed
[18:00:59.182]     if (FALSE) {
[18:00:59.182]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:00:59.182]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:00:59.182]     }
[18:00:59.182]     ...future.result <- base::tryCatch({
[18:00:59.182]         base::withCallingHandlers({
[18:00:59.182]             ...future.value <- base::withVisible(base::local({
[18:00:59.182]                 ...future.makeSendCondition <- local({
[18:00:59.182]                   sendCondition <- NULL
[18:00:59.182]                   function(frame = 1L) {
[18:00:59.182]                     if (is.function(sendCondition)) 
[18:00:59.182]                       return(sendCondition)
[18:00:59.182]                     ns <- getNamespace("parallel")
[18:00:59.182]                     if (exists("sendData", mode = "function", 
[18:00:59.182]                       envir = ns)) {
[18:00:59.182]                       parallel_sendData <- get("sendData", mode = "function", 
[18:00:59.182]                         envir = ns)
[18:00:59.182]                       envir <- sys.frame(frame)
[18:00:59.182]                       master <- NULL
[18:00:59.182]                       while (!identical(envir, .GlobalEnv) && 
[18:00:59.182]                         !identical(envir, emptyenv())) {
[18:00:59.182]                         if (exists("master", mode = "list", envir = envir, 
[18:00:59.182]                           inherits = FALSE)) {
[18:00:59.182]                           master <- get("master", mode = "list", 
[18:00:59.182]                             envir = envir, inherits = FALSE)
[18:00:59.182]                           if (inherits(master, c("SOCKnode", 
[18:00:59.182]                             "SOCK0node"))) {
[18:00:59.182]                             sendCondition <<- function(cond) {
[18:00:59.182]                               data <- list(type = "VALUE", value = cond, 
[18:00:59.182]                                 success = TRUE)
[18:00:59.182]                               parallel_sendData(master, data)
[18:00:59.182]                             }
[18:00:59.182]                             return(sendCondition)
[18:00:59.182]                           }
[18:00:59.182]                         }
[18:00:59.182]                         frame <- frame + 1L
[18:00:59.182]                         envir <- sys.frame(frame)
[18:00:59.182]                       }
[18:00:59.182]                     }
[18:00:59.182]                     sendCondition <<- function(cond) NULL
[18:00:59.182]                   }
[18:00:59.182]                 })
[18:00:59.182]                 withCallingHandlers({
[18:00:59.182]                   {
[18:00:59.182]                     Sys.sleep(3)
[18:00:59.182]                     42L
[18:00:59.182]                     stop("Woops")
[18:00:59.182]                   }
[18:00:59.182]                 }, immediateCondition = function(cond) {
[18:00:59.182]                   sendCondition <- ...future.makeSendCondition()
[18:00:59.182]                   sendCondition(cond)
[18:00:59.182]                   muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:59.182]                   {
[18:00:59.182]                     inherits <- base::inherits
[18:00:59.182]                     invokeRestart <- base::invokeRestart
[18:00:59.182]                     is.null <- base::is.null
[18:00:59.182]                     muffled <- FALSE
[18:00:59.182]                     if (inherits(cond, "message")) {
[18:00:59.182]                       muffled <- grepl(pattern, "muffleMessage")
[18:00:59.182]                       if (muffled) 
[18:00:59.182]                         invokeRestart("muffleMessage")
[18:00:59.182]                     }
[18:00:59.182]                     else if (inherits(cond, "warning")) {
[18:00:59.182]                       muffled <- grepl(pattern, "muffleWarning")
[18:00:59.182]                       if (muffled) 
[18:00:59.182]                         invokeRestart("muffleWarning")
[18:00:59.182]                     }
[18:00:59.182]                     else if (inherits(cond, "condition")) {
[18:00:59.182]                       if (!is.null(pattern)) {
[18:00:59.182]                         computeRestarts <- base::computeRestarts
[18:00:59.182]                         grepl <- base::grepl
[18:00:59.182]                         restarts <- computeRestarts(cond)
[18:00:59.182]                         for (restart in restarts) {
[18:00:59.182]                           name <- restart$name
[18:00:59.182]                           if (is.null(name)) 
[18:00:59.182]                             next
[18:00:59.182]                           if (!grepl(pattern, name)) 
[18:00:59.182]                             next
[18:00:59.182]                           invokeRestart(restart)
[18:00:59.182]                           muffled <- TRUE
[18:00:59.182]                           break
[18:00:59.182]                         }
[18:00:59.182]                       }
[18:00:59.182]                     }
[18:00:59.182]                     invisible(muffled)
[18:00:59.182]                   }
[18:00:59.182]                   muffleCondition(cond)
[18:00:59.182]                 })
[18:00:59.182]             }))
[18:00:59.182]             future::FutureResult(value = ...future.value$value, 
[18:00:59.182]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:59.182]                   ...future.rng), globalenv = if (FALSE) 
[18:00:59.182]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:00:59.182]                     ...future.globalenv.names))
[18:00:59.182]                 else NULL, started = ...future.startTime, version = "1.8")
[18:00:59.182]         }, condition = base::local({
[18:00:59.182]             c <- base::c
[18:00:59.182]             inherits <- base::inherits
[18:00:59.182]             invokeRestart <- base::invokeRestart
[18:00:59.182]             length <- base::length
[18:00:59.182]             list <- base::list
[18:00:59.182]             seq.int <- base::seq.int
[18:00:59.182]             signalCondition <- base::signalCondition
[18:00:59.182]             sys.calls <- base::sys.calls
[18:00:59.182]             `[[` <- base::`[[`
[18:00:59.182]             `+` <- base::`+`
[18:00:59.182]             `<<-` <- base::`<<-`
[18:00:59.182]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:00:59.182]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:00:59.182]                   3L)]
[18:00:59.182]             }
[18:00:59.182]             function(cond) {
[18:00:59.182]                 is_error <- inherits(cond, "error")
[18:00:59.182]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:00:59.182]                   NULL)
[18:00:59.182]                 if (is_error) {
[18:00:59.182]                   sessionInformation <- function() {
[18:00:59.182]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:00:59.182]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:00:59.182]                       search = base::search(), system = base::Sys.info())
[18:00:59.182]                   }
[18:00:59.182]                   ...future.conditions[[length(...future.conditions) + 
[18:00:59.182]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:00:59.182]                     cond$call), session = sessionInformation(), 
[18:00:59.182]                     timestamp = base::Sys.time(), signaled = 0L)
[18:00:59.182]                   signalCondition(cond)
[18:00:59.182]                 }
[18:00:59.182]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:00:59.182]                 "immediateCondition"))) {
[18:00:59.182]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:00:59.182]                   ...future.conditions[[length(...future.conditions) + 
[18:00:59.182]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:00:59.182]                   if (TRUE && !signal) {
[18:00:59.182]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:59.182]                     {
[18:00:59.182]                       inherits <- base::inherits
[18:00:59.182]                       invokeRestart <- base::invokeRestart
[18:00:59.182]                       is.null <- base::is.null
[18:00:59.182]                       muffled <- FALSE
[18:00:59.182]                       if (inherits(cond, "message")) {
[18:00:59.182]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:59.182]                         if (muffled) 
[18:00:59.182]                           invokeRestart("muffleMessage")
[18:00:59.182]                       }
[18:00:59.182]                       else if (inherits(cond, "warning")) {
[18:00:59.182]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:59.182]                         if (muffled) 
[18:00:59.182]                           invokeRestart("muffleWarning")
[18:00:59.182]                       }
[18:00:59.182]                       else if (inherits(cond, "condition")) {
[18:00:59.182]                         if (!is.null(pattern)) {
[18:00:59.182]                           computeRestarts <- base::computeRestarts
[18:00:59.182]                           grepl <- base::grepl
[18:00:59.182]                           restarts <- computeRestarts(cond)
[18:00:59.182]                           for (restart in restarts) {
[18:00:59.182]                             name <- restart$name
[18:00:59.182]                             if (is.null(name)) 
[18:00:59.182]                               next
[18:00:59.182]                             if (!grepl(pattern, name)) 
[18:00:59.182]                               next
[18:00:59.182]                             invokeRestart(restart)
[18:00:59.182]                             muffled <- TRUE
[18:00:59.182]                             break
[18:00:59.182]                           }
[18:00:59.182]                         }
[18:00:59.182]                       }
[18:00:59.182]                       invisible(muffled)
[18:00:59.182]                     }
[18:00:59.182]                     muffleCondition(cond, pattern = "^muffle")
[18:00:59.182]                   }
[18:00:59.182]                 }
[18:00:59.182]                 else {
[18:00:59.182]                   if (TRUE) {
[18:00:59.182]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:00:59.182]                     {
[18:00:59.182]                       inherits <- base::inherits
[18:00:59.182]                       invokeRestart <- base::invokeRestart
[18:00:59.182]                       is.null <- base::is.null
[18:00:59.182]                       muffled <- FALSE
[18:00:59.182]                       if (inherits(cond, "message")) {
[18:00:59.182]                         muffled <- grepl(pattern, "muffleMessage")
[18:00:59.182]                         if (muffled) 
[18:00:59.182]                           invokeRestart("muffleMessage")
[18:00:59.182]                       }
[18:00:59.182]                       else if (inherits(cond, "warning")) {
[18:00:59.182]                         muffled <- grepl(pattern, "muffleWarning")
[18:00:59.182]                         if (muffled) 
[18:00:59.182]                           invokeRestart("muffleWarning")
[18:00:59.182]                       }
[18:00:59.182]                       else if (inherits(cond, "condition")) {
[18:00:59.182]                         if (!is.null(pattern)) {
[18:00:59.182]                           computeRestarts <- base::computeRestarts
[18:00:59.182]                           grepl <- base::grepl
[18:00:59.182]                           restarts <- computeRestarts(cond)
[18:00:59.182]                           for (restart in restarts) {
[18:00:59.182]                             name <- restart$name
[18:00:59.182]                             if (is.null(name)) 
[18:00:59.182]                               next
[18:00:59.182]                             if (!grepl(pattern, name)) 
[18:00:59.182]                               next
[18:00:59.182]                             invokeRestart(restart)
[18:00:59.182]                             muffled <- TRUE
[18:00:59.182]                             break
[18:00:59.182]                           }
[18:00:59.182]                         }
[18:00:59.182]                       }
[18:00:59.182]                       invisible(muffled)
[18:00:59.182]                     }
[18:00:59.182]                     muffleCondition(cond, pattern = "^muffle")
[18:00:59.182]                   }
[18:00:59.182]                 }
[18:00:59.182]             }
[18:00:59.182]         }))
[18:00:59.182]     }, error = function(ex) {
[18:00:59.182]         base::structure(base::list(value = NULL, visible = NULL, 
[18:00:59.182]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:00:59.182]                 ...future.rng), started = ...future.startTime, 
[18:00:59.182]             finished = Sys.time(), session_uuid = NA_character_, 
[18:00:59.182]             version = "1.8"), class = "FutureResult")
[18:00:59.182]     }, finally = {
[18:00:59.182]         if (!identical(...future.workdir, getwd())) 
[18:00:59.182]             setwd(...future.workdir)
[18:00:59.182]         {
[18:00:59.182]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:00:59.182]                 ...future.oldOptions$nwarnings <- NULL
[18:00:59.182]             }
[18:00:59.182]             base::options(...future.oldOptions)
[18:00:59.182]             if (.Platform$OS.type == "windows") {
[18:00:59.182]                 old_names <- names(...future.oldEnvVars)
[18:00:59.182]                 envs <- base::Sys.getenv()
[18:00:59.182]                 names <- names(envs)
[18:00:59.182]                 common <- intersect(names, old_names)
[18:00:59.182]                 added <- setdiff(names, old_names)
[18:00:59.182]                 removed <- setdiff(old_names, names)
[18:00:59.182]                 changed <- common[...future.oldEnvVars[common] != 
[18:00:59.182]                   envs[common]]
[18:00:59.182]                 NAMES <- toupper(changed)
[18:00:59.182]                 args <- list()
[18:00:59.182]                 for (kk in seq_along(NAMES)) {
[18:00:59.182]                   name <- changed[[kk]]
[18:00:59.182]                   NAME <- NAMES[[kk]]
[18:00:59.182]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:59.182]                     next
[18:00:59.182]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:59.182]                 }
[18:00:59.182]                 NAMES <- toupper(added)
[18:00:59.182]                 for (kk in seq_along(NAMES)) {
[18:00:59.182]                   name <- added[[kk]]
[18:00:59.182]                   NAME <- NAMES[[kk]]
[18:00:59.182]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:59.182]                     next
[18:00:59.182]                   args[[name]] <- ""
[18:00:59.182]                 }
[18:00:59.182]                 NAMES <- toupper(removed)
[18:00:59.182]                 for (kk in seq_along(NAMES)) {
[18:00:59.182]                   name <- removed[[kk]]
[18:00:59.182]                   NAME <- NAMES[[kk]]
[18:00:59.182]                   if (name != NAME && is.element(NAME, old_names)) 
[18:00:59.182]                     next
[18:00:59.182]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:00:59.182]                 }
[18:00:59.182]                 if (length(args) > 0) 
[18:00:59.182]                   base::do.call(base::Sys.setenv, args = args)
[18:00:59.182]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:00:59.182]             }
[18:00:59.182]             else {
[18:00:59.182]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:00:59.182]             }
[18:00:59.182]             {
[18:00:59.182]                 if (base::length(...future.futureOptionsAdded) > 
[18:00:59.182]                   0L) {
[18:00:59.182]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:00:59.182]                   base::names(opts) <- ...future.futureOptionsAdded
[18:00:59.182]                   base::options(opts)
[18:00:59.182]                 }
[18:00:59.182]                 {
[18:00:59.182]                   {
[18:00:59.182]                     base::options(mc.cores = ...future.mc.cores.old)
[18:00:59.182]                     NULL
[18:00:59.182]                   }
[18:00:59.182]                   options(future.plan = NULL)
[18:00:59.182]                   if (is.na(NA_character_)) 
[18:00:59.182]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:00:59.182]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:00:59.182]                   future::plan(list(function (..., workers = 2L, 
[18:00:59.182]                     envir = parent.frame()) 
[18:00:59.182]                   strategy(..., workers = workers, envir = envir)), 
[18:00:59.182]                     .cleanup = FALSE, .init = FALSE)
[18:00:59.182]                 }
[18:00:59.182]             }
[18:00:59.182]         }
[18:00:59.182]     })
[18:00:59.182]     if (TRUE) {
[18:00:59.182]         base::sink(type = "output", split = FALSE)
[18:00:59.182]         if (TRUE) {
[18:00:59.182]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:00:59.182]         }
[18:00:59.182]         else {
[18:00:59.182]             ...future.result["stdout"] <- base::list(NULL)
[18:00:59.182]         }
[18:00:59.182]         base::close(...future.stdout)
[18:00:59.182]         ...future.stdout <- NULL
[18:00:59.182]     }
[18:00:59.182]     ...future.result$conditions <- ...future.conditions
[18:00:59.182]     ...future.result$finished <- base::Sys.time()
[18:00:59.182]     ...future.result
[18:00:59.182] }
[18:00:59.189] MultisessionFuture started
[18:00:59.190] - Launch lazy future ... done
[18:00:59.190] run() for 'MultisessionFuture' ... done
<simpleError: No error has been caught because the future is unresolved: 'f'>
[18:01:02.277] receiveMessageFromWorker() for ClusterFuture ...
[18:01:02.278] - Validating connection of MultisessionFuture
[18:01:02.278] - received message: FutureResult
[18:01:02.279] - Received FutureResult
[18:01:02.279] - Erased future from FutureRegistry
[18:01:02.279] result() for ClusterFuture ...
[18:01:02.279] - result already collected: FutureResult
[18:01:02.279] result() for ClusterFuture ... done
[18:01:02.280] signalConditions() ...
[18:01:02.280]  - include = 'immediateCondition'
[18:01:02.280]  - exclude = 
[18:01:02.280]  - resignal = FALSE
[18:01:02.280]  - Number of conditions: 1
[18:01:02.281] signalConditions() ... done
[18:01:02.281] receiveMessageFromWorker() for ClusterFuture ... done
[18:01:02.281] A MultisessionFuture was resolved (result was not collected)
MultisessionFuture:
Label: '<none>'
Expression:
{
    Sys.sleep(3)
    42L
    stop("Woops")
}
Lazy evaluation: FALSE
Asynchronous evaluation: TRUE
Local evaluation: TRUE
Environment: R_GlobalEnv
Capture standard output: TRUE
Capture condition classes: 'condition' (excluding 'nothing')
Globals: <none>
Packages: <none>
L'Ecuyer-CMRG RNG seed: <none> (seed = FALSE)
Resolved: TRUE
Value: 0 bytes of class 'NULL'
Conditions captured: [n=1] 'simpleError'
Early signaling: FALSE
Owner process: e467d5e9-19f4-f0db-24c1-9213430c3a95
Class: 'MultisessionFuture', 'ClusterFuture', 'MultiprocessFuture', 'Future', 'environment'
> 
> message("*** backtrace( ) - exceptions ... DONE")
*** backtrace( ) - exceptions ... DONE
> 
> 
> message("*** backtrace( ) ... DONE")
*** backtrace( ) ... DONE
> 
> source("incl/end.R")
[18:01:02.284] plan(): Setting new future strategy stack:
[18:01:02.284] List of future strategies:
[18:01:02.284] 1. FutureStrategy:
[18:01:02.284]    - args: function (..., envir = parent.frame())
[18:01:02.284]    - tweaked: FALSE
[18:01:02.284]    - call: future::plan(oplan)
[18:01:02.285] plan(): nbrOfWorkers() = 1
Failed to undo environment variables:
 - Expected environment variables: [n=201] '!ExitCode', 'ALLUSERSPROFILE', 'APPDATA', 'BIBINPUTS', 'BINDIR', 'BSTINPUTS', 'COMMONPROGRAMFILES', 'COMPUTERNAME', 'COMSPEC', 'CURL_CA_BUNDLE', 'CYGWIN', 'CommonProgramFiles(x86)', 'CommonProgramW6432', 'DriverData', 'HOME', 'HOMEDRIVE', 'HOMEPATH', 'JAGS_ROOT', 'JAVA_HOME', 'LANGUAGE', 'LC_COLLATE', 'LC_MONETARY', 'LC_TIME', 'LOCALAPPDATA', 'LOGONSERVER', 'LS_HOME', 'LS_LICENSE_PATH', 'MAKE', 'MAKEFLAGS', 'MAKELEVEL', 'MFLAGS', 'MSMPI_BENCHMARKS', 'MSMPI_BIN', 'MSYS2_ENV_CONV_EXCL', 'NUMBER_OF_PROCESSORS', 'OMP_THREAD_LIMIT', 'OS', 'PATH', 'PATHEXT', 'PROCESSOR_ARCHITECTURE', 'PROCESSOR_IDENTIFIER', 'PROCESSOR_LEVEL', 'PROCESSOR_REVISION', 'PROGRAMFILES', 'PROMPT', 'PSModulePath', 'PUBLIC', 'PWD', 'ProgramData', 'ProgramFiles(x86)', 'ProgramW6432', 'RETICULATE_AUTOCONFIGURE', 'RTOOLS43_HOME', 'R_ARCH', 'R_BROWSER', 'R_BZIPCMD', 'R_CMD', 'R_COMPILED_BY', 'R_CRAN_WEB', 'R_CUSTOM_TOOLS_PATH', 'R_CUSTOM_TOOLS_SOFT', 'R_DOC_DIR', 'R_ENVIRON_USER', 'R_GSCMD', 'R_GZIPCMD', 'R_HOME', 'R_INCLUDE_DIR', 'R_INSTALL_TAR', 'R_LIBS', 'R_LIBS_SITE', 'R_LIBS_USER', 'R_MAX_NUM_DLLS', 'R_OSTYPE', 'R_PAPERSIZE', 'R_PAPERSIZE_USER', 'R_PARALLELLY_MAKENODEPSOCK_AUTOKILL', 'R_PARALLELLY_MAKENODEPSOCK_CONNECTTIMEOUT', 'R_PARALLELLY_MAKENODEPSOCK_RSCRIPT_LABEL', 'R_PARALLELLY_MAKENODEPSOCK_SESSIONINFO_PKGS', 'R_PARALLELLY_MAKENODEPSOCK_TIMEOUT', 'R_PARALLELLY_RANDOM_PORTS', 'R_PARALLEL_PORT', 'R_RD4PDF', 'R_RTOOLS43_PATH', 'R_SCRIPT_LEGACY', 'R_SHARE_DIR', 'R_TESTS', 'R_UNZIPCMD', 'R_USER', 'R_VERSION', 'R_ZIPCMD', 'SED', 'SHLVL', 'SYSTEMDRIVE', 'SYSTEMROOT', 'TAR', 'TAR_OPTIONS', 'TEMP', 'TERM', 'TEXINPUTS', 'TMP', 'TMPDIR', 'USERDOMAIN', 'USERDOMAIN_ROAMINGPROFILE', 'USERNAME', 'USERPROFILE', 'WINDIR', '_', '_R_CHECK_AUTOCONF_', '_R_CHECK_BOGUS_RETURN_', '_R_CHECK_BROWSER_NONINTERACTIVE_', '_R_CHECK_BUILD_VIGNETTES_SEPARATELY_', '_R_CHECK_CODETOOLS_PROFILE_', '_R_CHECK_CODE_ASSIGN_TO_GLOBALENV_', '_R_CHECK_CODE_ATTACH_', '_R_CHECK_CODE_CLASS_IS_STRING_', '_R_CHECK_CODE_DATA_INTO_GLOBALENV_', '_R_CHECK_CODE_USAGE_VIA_NAMESPACES_', '_R_CHECK_CODE_USAGE_WITHOUT_LOADING_', '_R_CHECK_CODE_USAGE_WITH_ONLY_BASE_ATTACHED_', '_R_CHECK_CODOC_VARIABLES_IN_USAGES_', '_R_CHECK_COMPACT_DATA2_', '_R_CHECK_COMPILATION_FLAGS_', '_R_CHECK_CONNECTIONS_LEFT_OPEN_', '_R_CHECK_CRAN_INCOMING_', '_R_CHECK_CRAN_INCOMING_CHECK_FILE_URIS_', '_R_CHECK_CRAN_INCOMING_CHECK_URLS_IN_PARALLEL_', '_R_CHECK_CRAN_INCOMING_NOTE_GNU_MAKE_', '_R_CHECK_CRAN_INCOMING_REMOTE_', '_R_CHECK_CRAN_INCOMING_USE_ASPELL_', '_R_CHECK_DATALIST_', '_R_CHECK_DEPRECATED_DEFUNCT_', '_R_CHECK_DOC_SIZES2_', '_R_CHECK_DOT_FIRSTLIB_', '_R_CHECK_DOT_INTERNAL_', '_R_CHECK_EXAMPLE_TIMING_THRESHOLD_', '_R_CHECK_EXECUTABLES_', '_R_CHECK_EXECUTABLES_EXCLUSIONS_', '_R_CHECK_FF_CALLS_', '_R_CHECK_FF_DUP_', '_R_CHECK_FORCE_SUGGESTS_', '_R_CHECK_FUTURE_FILE_TIMESTAMPS_', '_R_CHECK_FUTURE_FILE_TIMESTAMPS_LEEWAY_', '_R_CHECK_HAVE_MYSQL_', '_R_CHECK_HAVE_ODBC_', '_R_CHECK_HAVE_PERL_', '_R_CHECK_HAVE_POSTGRES_', '_R_CHECK_INSTALL_DEPENDS_', '_R_CHECK_INTERNALS2_', '_R_CHECK_LENGTH_1_CONDITION_', '_R_CHECK_LICENSE_', '_R_CHECK_LIMIT_CORES_', '_R_CHECK_MATRIX_DATA_', '_R_CHECK_NATIVE_ROUTINE_REGISTRATION_', '_R_CHECK_NEWS_IN_PLAIN_TEXT_', '_R_CHECK_NO_RECOMMENDED_', '_R_CHECK_NO_STOP_ON_TEST_ERROR_', '_R_CHECK_ORPHANED_', '_R_CHECK_OVERWRITE_REGISTERED_S3_METHODS_', '_R_CHECK_PACKAGES_USED_IGNORE_UNUSED_IMPORTS_', '_R_CHECK_PACKAGES_USED_IN_TESTS_USE_SUBDIRS_', '_R_CHECK_PACKAGE_DATASETS_SUPPRESS_NOTES_', '_R_CHECK_PACKAGE_NAME_', '_R_CHECK_PKG_SIZES_', '_R_CHECK_PKG_SIZES_THRESHOLD_', '_R_CHECK_PRAGMAS_', '_R_CHECK_RD_EXAMPLES_T_AND_F_', '_R_CHECK_RD_LINE_WIDTHS_', '_R_CHECK_RD_MATH_RENDERING_', '_R_CHECK_RD_VALIDATE_RD2HTML_', '_R_CHECK_REPLACING_IMPORTS_', '_R_CHECK_R_DEPENDS_', '_R_CHECK_S3_METHODS_SHOW_POSSIBLE_ISSUES_', '_R_CHECK_SCREEN_DEVICE_', '_R_CHECK_SERIALIZATION_', '_R_CHECK_SHLIB_OPENMP_FLAGS_', '_R_CHECK_SRC_MINUS_W_IMPLICIT_', '_R_CHECK_SUBDIRS_NOCASE_', '_R_CHECK_SUBDIRS_STRICT_', '_R_CHECK_SUGGESTS_ONLY_', '_R_CHECK_SYSTEM_CLOCK_', '_R_CHECK_TESTS_NLINES_', '_R_CHECK_TEST_TIMING_', '_R_CHECK_TIMINGS_', '_R_CHECK_TOPLEVEL_FILES_', '_R_CHECK_UNDOC_USE_ALL_NAMES_', '_R_CHECK_UNSAFE_CALLS_', '_R_CHECK_URLS_SHOW_301_STATUS_', '_R_CHECK_VC_DIRS_', '_R_CHECK_VIGNETTES_NLINES_', '_R_CHECK_VIGNETTES_SKIP_RUN_MAYBE_', '_R_CHECK_VIGNETTE_TIMING_', '_R_CHECK_VIGNETTE_TITLES_', '_R_CHECK_WINDOWS_DEVICE_', '_R_CHECK_XREFS_USE_ALIASES_FROM_CRAN_', '_R_CLASS_MATRIX_ARRAY_', '_R_INSTALL_TIME_PATCHES_', '_R_S3_METHOD_LOOKUP_BASEENV_AFTER_GLOBALENV_', '_R_SHLIB_BUILD_OBJECTS_SYMBOL_TABLES_', 'maj.version', 'nextArg--timingsnextArg--install'
 - Environment variables still there: [n=0] 
 - Environment variables missing: [n=1] 'MAKEFLAGS'
Differences environment variable by environment variable:
List of 3
 $ name    : chr "MAKEFLAGS"
 $ expected: 'Dlist' chr ""
 $ actual  : 'Dlist' chr NA
> 
> proc.time()
   user  system elapsed 
   0.53    0.12    4.53