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")
[18:01:37.034] plan(): Setting new future strategy stack:
[18:01:37.035] List of future strategies:
[18:01:37.035] 1. sequential:
[18:01:37.035]    - args: function (..., envir = parent.frame())
[18:01:37.035]    - tweaked: FALSE
[18:01:37.035]    - call: future::plan("sequential")
[18:01:37.051] plan(): nbrOfWorkers() = 1
> 
> suppressWarnings(rm(list = c("x", "z")))
> 
> message("*** futureOf() with environment ...")
*** futureOf() with environment ...
> 
> message("*** futureOf() with environment - future assignments ...")
*** futureOf() with environment - future assignments ...
> 
> x <- new.env()
> x$a %<-% { 1 }
[18:01:37.060] getGlobalsAndPackages() ...
[18:01:37.060] Searching for globals...
[18:01:37.063] - globals found: [1] '{'
[18:01:37.064] Searching for globals ... DONE
[18:01:37.064] Resolving globals: FALSE
[18:01:37.065] 
[18:01:37.065] 
[18:01:37.065] getGlobalsAndPackages() ... DONE
[18:01:37.066] run() for 'Future' ...
[18:01:37.068] - state: 'created'
[18:01:37.068] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:01:37.069] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:01:37.069] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:01:37.070]   - Field: 'label'
[18:01:37.070]   - Field: 'local'
[18:01:37.070]   - Field: 'owner'
[18:01:37.071]   - Field: 'envir'
[18:01:37.071]   - Field: 'packages'
[18:01:37.071]   - Field: 'gc'
[18:01:37.071]   - Field: 'conditions'
[18:01:37.072]   - Field: 'expr'
[18:01:37.072]   - Field: 'uuid'
[18:01:37.072]   - Field: 'seed'
[18:01:37.073]   - Field: 'version'
[18:01:37.073]   - Field: 'result'
[18:01:37.073]   - Field: 'asynchronous'
[18:01:37.073]   - Field: 'calls'
[18:01:37.074]   - Field: 'globals'
[18:01:37.074]   - Field: 'stdout'
[18:01:37.074]   - Field: 'earlySignal'
[18:01:37.074]   - Field: 'lazy'
[18:01:37.075]   - Field: 'state'
[18:01:37.075] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:01:37.075] - Launch lazy future ...
[18:01:37.077] Packages needed by the future expression (n = 0): <none>
[18:01:37.077] Packages needed by future strategies (n = 0): <none>
[18:01:37.079] {
[18:01:37.079]     {
[18:01:37.079]         {
[18:01:37.079]             ...future.startTime <- base::Sys.time()
[18:01:37.079]             {
[18:01:37.079]                 {
[18:01:37.079]                   {
[18:01:37.079]                     base::local({
[18:01:37.079]                       has_future <- base::requireNamespace("future", 
[18:01:37.079]                         quietly = TRUE)
[18:01:37.079]                       if (has_future) {
[18:01:37.079]                         ns <- base::getNamespace("future")
[18:01:37.079]                         version <- ns[[".package"]][["version"]]
[18:01:37.079]                         if (is.null(version)) 
[18:01:37.079]                           version <- utils::packageVersion("future")
[18:01:37.079]                       }
[18:01:37.079]                       else {
[18:01:37.079]                         version <- NULL
[18:01:37.079]                       }
[18:01:37.079]                       if (!has_future || version < "1.8.0") {
[18:01:37.079]                         info <- base::c(r_version = base::gsub("R version ", 
[18:01:37.079]                           "", base::R.version$version.string), 
[18:01:37.079]                           platform = base::sprintf("%s (%s-bit)", 
[18:01:37.079]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:37.079]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:37.079]                             "release", "version")], collapse = " "), 
[18:01:37.079]                           hostname = base::Sys.info()[["nodename"]])
[18:01:37.079]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:01:37.079]                           info)
[18:01:37.079]                         info <- base::paste(info, collapse = "; ")
[18:01:37.079]                         if (!has_future) {
[18:01:37.079]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:37.079]                             info)
[18:01:37.079]                         }
[18:01:37.079]                         else {
[18:01:37.079]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:37.079]                             info, version)
[18:01:37.079]                         }
[18:01:37.079]                         base::stop(msg)
[18:01:37.079]                       }
[18:01:37.079]                     })
[18:01:37.079]                   }
[18:01:37.079]                   options(future.plan = NULL)
[18:01:37.079]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:37.079]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:37.079]                 }
[18:01:37.079]                 ...future.workdir <- getwd()
[18:01:37.079]             }
[18:01:37.079]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:37.079]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:37.079]         }
[18:01:37.079]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:37.079]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:37.079]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:37.079]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:37.079]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:37.079]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:37.079]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:37.079]             base::names(...future.oldOptions))
[18:01:37.079]     }
[18:01:37.079]     if (FALSE) {
[18:01:37.079]     }
[18:01:37.079]     else {
[18:01:37.079]         if (TRUE) {
[18:01:37.079]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:37.079]                 open = "w")
[18:01:37.079]         }
[18:01:37.079]         else {
[18:01:37.079]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:37.079]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:37.079]         }
[18:01:37.079]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:37.079]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:37.079]             base::sink(type = "output", split = FALSE)
[18:01:37.079]             base::close(...future.stdout)
[18:01:37.079]         }, add = TRUE)
[18:01:37.079]     }
[18:01:37.079]     ...future.frame <- base::sys.nframe()
[18:01:37.079]     ...future.conditions <- base::list()
[18:01:37.079]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:37.079]     if (FALSE) {
[18:01:37.079]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:37.079]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:37.079]     }
[18:01:37.079]     ...future.result <- base::tryCatch({
[18:01:37.079]         base::withCallingHandlers({
[18:01:37.079]             ...future.value <- base::withVisible(base::local({
[18:01:37.079]                 1
[18:01:37.079]             }))
[18:01:37.079]             future::FutureResult(value = ...future.value$value, 
[18:01:37.079]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:37.079]                   ...future.rng), globalenv = if (FALSE) 
[18:01:37.079]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:37.079]                     ...future.globalenv.names))
[18:01:37.079]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:37.079]         }, condition = base::local({
[18:01:37.079]             c <- base::c
[18:01:37.079]             inherits <- base::inherits
[18:01:37.079]             invokeRestart <- base::invokeRestart
[18:01:37.079]             length <- base::length
[18:01:37.079]             list <- base::list
[18:01:37.079]             seq.int <- base::seq.int
[18:01:37.079]             signalCondition <- base::signalCondition
[18:01:37.079]             sys.calls <- base::sys.calls
[18:01:37.079]             `[[` <- base::`[[`
[18:01:37.079]             `+` <- base::`+`
[18:01:37.079]             `<<-` <- base::`<<-`
[18:01:37.079]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:37.079]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:37.079]                   3L)]
[18:01:37.079]             }
[18:01:37.079]             function(cond) {
[18:01:37.079]                 is_error <- inherits(cond, "error")
[18:01:37.079]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:37.079]                   NULL)
[18:01:37.079]                 if (is_error) {
[18:01:37.079]                   sessionInformation <- function() {
[18:01:37.079]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:37.079]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:37.079]                       search = base::search(), system = base::Sys.info())
[18:01:37.079]                   }
[18:01:37.079]                   ...future.conditions[[length(...future.conditions) + 
[18:01:37.079]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:37.079]                     cond$call), session = sessionInformation(), 
[18:01:37.079]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:37.079]                   signalCondition(cond)
[18:01:37.079]                 }
[18:01:37.079]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:37.079]                 "immediateCondition"))) {
[18:01:37.079]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:37.079]                   ...future.conditions[[length(...future.conditions) + 
[18:01:37.079]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:37.079]                   if (TRUE && !signal) {
[18:01:37.079]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:37.079]                     {
[18:01:37.079]                       inherits <- base::inherits
[18:01:37.079]                       invokeRestart <- base::invokeRestart
[18:01:37.079]                       is.null <- base::is.null
[18:01:37.079]                       muffled <- FALSE
[18:01:37.079]                       if (inherits(cond, "message")) {
[18:01:37.079]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:37.079]                         if (muffled) 
[18:01:37.079]                           invokeRestart("muffleMessage")
[18:01:37.079]                       }
[18:01:37.079]                       else if (inherits(cond, "warning")) {
[18:01:37.079]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:37.079]                         if (muffled) 
[18:01:37.079]                           invokeRestart("muffleWarning")
[18:01:37.079]                       }
[18:01:37.079]                       else if (inherits(cond, "condition")) {
[18:01:37.079]                         if (!is.null(pattern)) {
[18:01:37.079]                           computeRestarts <- base::computeRestarts
[18:01:37.079]                           grepl <- base::grepl
[18:01:37.079]                           restarts <- computeRestarts(cond)
[18:01:37.079]                           for (restart in restarts) {
[18:01:37.079]                             name <- restart$name
[18:01:37.079]                             if (is.null(name)) 
[18:01:37.079]                               next
[18:01:37.079]                             if (!grepl(pattern, name)) 
[18:01:37.079]                               next
[18:01:37.079]                             invokeRestart(restart)
[18:01:37.079]                             muffled <- TRUE
[18:01:37.079]                             break
[18:01:37.079]                           }
[18:01:37.079]                         }
[18:01:37.079]                       }
[18:01:37.079]                       invisible(muffled)
[18:01:37.079]                     }
[18:01:37.079]                     muffleCondition(cond, pattern = "^muffle")
[18:01:37.079]                   }
[18:01:37.079]                 }
[18:01:37.079]                 else {
[18:01:37.079]                   if (TRUE) {
[18:01:37.079]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:37.079]                     {
[18:01:37.079]                       inherits <- base::inherits
[18:01:37.079]                       invokeRestart <- base::invokeRestart
[18:01:37.079]                       is.null <- base::is.null
[18:01:37.079]                       muffled <- FALSE
[18:01:37.079]                       if (inherits(cond, "message")) {
[18:01:37.079]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:37.079]                         if (muffled) 
[18:01:37.079]                           invokeRestart("muffleMessage")
[18:01:37.079]                       }
[18:01:37.079]                       else if (inherits(cond, "warning")) {
[18:01:37.079]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:37.079]                         if (muffled) 
[18:01:37.079]                           invokeRestart("muffleWarning")
[18:01:37.079]                       }
[18:01:37.079]                       else if (inherits(cond, "condition")) {
[18:01:37.079]                         if (!is.null(pattern)) {
[18:01:37.079]                           computeRestarts <- base::computeRestarts
[18:01:37.079]                           grepl <- base::grepl
[18:01:37.079]                           restarts <- computeRestarts(cond)
[18:01:37.079]                           for (restart in restarts) {
[18:01:37.079]                             name <- restart$name
[18:01:37.079]                             if (is.null(name)) 
[18:01:37.079]                               next
[18:01:37.079]                             if (!grepl(pattern, name)) 
[18:01:37.079]                               next
[18:01:37.079]                             invokeRestart(restart)
[18:01:37.079]                             muffled <- TRUE
[18:01:37.079]                             break
[18:01:37.079]                           }
[18:01:37.079]                         }
[18:01:37.079]                       }
[18:01:37.079]                       invisible(muffled)
[18:01:37.079]                     }
[18:01:37.079]                     muffleCondition(cond, pattern = "^muffle")
[18:01:37.079]                   }
[18:01:37.079]                 }
[18:01:37.079]             }
[18:01:37.079]         }))
[18:01:37.079]     }, error = function(ex) {
[18:01:37.079]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:37.079]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:37.079]                 ...future.rng), started = ...future.startTime, 
[18:01:37.079]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:37.079]             version = "1.8"), class = "FutureResult")
[18:01:37.079]     }, finally = {
[18:01:37.079]         if (!identical(...future.workdir, getwd())) 
[18:01:37.079]             setwd(...future.workdir)
[18:01:37.079]         {
[18:01:37.079]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:37.079]                 ...future.oldOptions$nwarnings <- NULL
[18:01:37.079]             }
[18:01:37.079]             base::options(...future.oldOptions)
[18:01:37.079]             if (.Platform$OS.type == "windows") {
[18:01:37.079]                 old_names <- names(...future.oldEnvVars)
[18:01:37.079]                 envs <- base::Sys.getenv()
[18:01:37.079]                 names <- names(envs)
[18:01:37.079]                 common <- intersect(names, old_names)
[18:01:37.079]                 added <- setdiff(names, old_names)
[18:01:37.079]                 removed <- setdiff(old_names, names)
[18:01:37.079]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:37.079]                   envs[common]]
[18:01:37.079]                 NAMES <- toupper(changed)
[18:01:37.079]                 args <- list()
[18:01:37.079]                 for (kk in seq_along(NAMES)) {
[18:01:37.079]                   name <- changed[[kk]]
[18:01:37.079]                   NAME <- NAMES[[kk]]
[18:01:37.079]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:37.079]                     next
[18:01:37.079]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:37.079]                 }
[18:01:37.079]                 NAMES <- toupper(added)
[18:01:37.079]                 for (kk in seq_along(NAMES)) {
[18:01:37.079]                   name <- added[[kk]]
[18:01:37.079]                   NAME <- NAMES[[kk]]
[18:01:37.079]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:37.079]                     next
[18:01:37.079]                   args[[name]] <- ""
[18:01:37.079]                 }
[18:01:37.079]                 NAMES <- toupper(removed)
[18:01:37.079]                 for (kk in seq_along(NAMES)) {
[18:01:37.079]                   name <- removed[[kk]]
[18:01:37.079]                   NAME <- NAMES[[kk]]
[18:01:37.079]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:37.079]                     next
[18:01:37.079]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:37.079]                 }
[18:01:37.079]                 if (length(args) > 0) 
[18:01:37.079]                   base::do.call(base::Sys.setenv, args = args)
[18:01:37.079]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:37.079]             }
[18:01:37.079]             else {
[18:01:37.079]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:37.079]             }
[18:01:37.079]             {
[18:01:37.079]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:37.079]                   0L) {
[18:01:37.079]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:37.079]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:37.079]                   base::options(opts)
[18:01:37.079]                 }
[18:01:37.079]                 {
[18:01:37.079]                   {
[18:01:37.079]                     NULL
[18:01:37.079]                     RNGkind("Mersenne-Twister")
[18:01:37.079]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:01:37.079]                       inherits = FALSE)
[18:01:37.079]                   }
[18:01:37.079]                   options(future.plan = NULL)
[18:01:37.079]                   if (is.na(NA_character_)) 
[18:01:37.079]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:37.079]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:37.079]                   future::plan(list(function (..., envir = parent.frame()) 
[18:01:37.079]                   {
[18:01:37.079]                     future <- SequentialFuture(..., envir = envir)
[18:01:37.079]                     if (!future$lazy) 
[18:01:37.079]                       future <- run(future)
[18:01:37.079]                     invisible(future)
[18:01:37.079]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:37.079]                 }
[18:01:37.079]             }
[18:01:37.079]         }
[18:01:37.079]     })
[18:01:37.079]     if (TRUE) {
[18:01:37.079]         base::sink(type = "output", split = FALSE)
[18:01:37.079]         if (TRUE) {
[18:01:37.079]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:37.079]         }
[18:01:37.079]         else {
[18:01:37.079]             ...future.result["stdout"] <- base::list(NULL)
[18:01:37.079]         }
[18:01:37.079]         base::close(...future.stdout)
[18:01:37.079]         ...future.stdout <- NULL
[18:01:37.079]     }
[18:01:37.079]     ...future.result$conditions <- ...future.conditions
[18:01:37.079]     ...future.result$finished <- base::Sys.time()
[18:01:37.079]     ...future.result
[18:01:37.079] }
[18:01:37.084] plan(): Setting new future strategy stack:
[18:01:37.084] List of future strategies:
[18:01:37.084] 1. sequential:
[18:01:37.084]    - args: function (..., envir = parent.frame())
[18:01:37.084]    - tweaked: FALSE
[18:01:37.084]    - call: NULL
[18:01:37.085] plan(): nbrOfWorkers() = 1
[18:01:37.087] plan(): Setting new future strategy stack:
[18:01:37.087] List of future strategies:
[18:01:37.087] 1. sequential:
[18:01:37.087]    - args: function (..., envir = parent.frame())
[18:01:37.087]    - tweaked: FALSE
[18:01:37.087]    - call: future::plan("sequential")
[18:01:37.088] plan(): nbrOfWorkers() = 1
[18:01:37.088] SequentialFuture started (and completed)
[18:01:37.089] - Launch lazy future ... done
[18:01:37.089] run() for 'SequentialFuture' ... done
> 
> f1 <- futureOf("a", envir = x)
> print(f1)
SequentialFuture:
Label: '<none>'
Expression:
{
    1
}
Lazy evaluation: FALSE
Asynchronous evaluation: FALSE
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: 56 bytes of class 'numeric'
Early signaling: FALSE
Owner process: 6831c28f-fd56-989a-9079-3584ecc86ad8
Class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
> f2 <- futureOf(a, envir = x)
> f3 <- futureOf(x[["a"]])
> f4 <- futureOf(x$a)
> stopifnot(identical(f2, f1), identical(f3, f1), identical(f4, f1))
> 
> ## Identify all futures
> fs <- futureOf(envir = x)
> print(fs)
$a
SequentialFuture:
Label: '<none>'
Expression:
{
    1
}
Lazy evaluation: FALSE
Asynchronous evaluation: FALSE
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: 56 bytes of class 'numeric'
Early signaling: FALSE
Owner process: 6831c28f-fd56-989a-9079-3584ecc86ad8
Class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'

> stopifnot(identical(names(fs), c("a")))
> stopifnot(identical(fs$a, f1))
> 
> fsD <- futureOf(envir = x, drop = TRUE)
> print(fsD)
$a
SequentialFuture:
Label: '<none>'
Expression:
{
    1
}
Lazy evaluation: FALSE
Asynchronous evaluation: FALSE
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: 56 bytes of class 'numeric'
Early signaling: FALSE
Owner process: 6831c28f-fd56-989a-9079-3584ecc86ad8
Class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'

> stopifnot(all(sapply(fsD, FUN = inherits, "Future")))
> stopifnot(identical(fsD, fs))
> 
> message("*** futureOf() with environment - future assignments ... DONE")
*** futureOf() with environment - future assignments ... DONE
> 
> 
> message("*** futureOf() with environment - futures ...")
*** futureOf() with environment - futures ...
> 
> x <- new.env()
> x$a <- future({ 1 })
[18:01:37.093] getGlobalsAndPackages() ...
[18:01:37.093] Searching for globals...
[18:01:37.094] - globals found: [1] '{'
[18:01:37.094] Searching for globals ... DONE
[18:01:37.094] Resolving globals: FALSE
[18:01:37.095] 
[18:01:37.095] 
[18:01:37.095] getGlobalsAndPackages() ... DONE
[18:01:37.096] run() for 'Future' ...
[18:01:37.096] - state: 'created'
[18:01:37.096] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[18:01:37.096] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[18:01:37.097] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[18:01:37.097]   - Field: 'label'
[18:01:37.097]   - Field: 'local'
[18:01:37.097]   - Field: 'owner'
[18:01:37.097]   - Field: 'envir'
[18:01:37.098]   - Field: 'packages'
[18:01:37.098]   - Field: 'gc'
[18:01:37.098]   - Field: 'conditions'
[18:01:37.098]   - Field: 'expr'
[18:01:37.098]   - Field: 'uuid'
[18:01:37.098]   - Field: 'seed'
[18:01:37.099]   - Field: 'version'
[18:01:37.099]   - Field: 'result'
[18:01:37.099]   - Field: 'asynchronous'
[18:01:37.099]   - Field: 'calls'
[18:01:37.099]   - Field: 'globals'
[18:01:37.100]   - Field: 'stdout'
[18:01:37.100]   - Field: 'earlySignal'
[18:01:37.100]   - Field: 'lazy'
[18:01:37.100]   - Field: 'state'
[18:01:37.100] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[18:01:37.100] - Launch lazy future ...
[18:01:37.101] Packages needed by the future expression (n = 0): <none>
[18:01:37.101] Packages needed by future strategies (n = 0): <none>
[18:01:37.102] {
[18:01:37.102]     {
[18:01:37.102]         {
[18:01:37.102]             ...future.startTime <- base::Sys.time()
[18:01:37.102]             {
[18:01:37.102]                 {
[18:01:37.102]                   {
[18:01:37.102]                     base::local({
[18:01:37.102]                       has_future <- base::requireNamespace("future", 
[18:01:37.102]                         quietly = TRUE)
[18:01:37.102]                       if (has_future) {
[18:01:37.102]                         ns <- base::getNamespace("future")
[18:01:37.102]                         version <- ns[[".package"]][["version"]]
[18:01:37.102]                         if (is.null(version)) 
[18:01:37.102]                           version <- utils::packageVersion("future")
[18:01:37.102]                       }
[18:01:37.102]                       else {
[18:01:37.102]                         version <- NULL
[18:01:37.102]                       }
[18:01:37.102]                       if (!has_future || version < "1.8.0") {
[18:01:37.102]                         info <- base::c(r_version = base::gsub("R version ", 
[18:01:37.102]                           "", base::R.version$version.string), 
[18:01:37.102]                           platform = base::sprintf("%s (%s-bit)", 
[18:01:37.102]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[18:01:37.102]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[18:01:37.102]                             "release", "version")], collapse = " "), 
[18:01:37.102]                           hostname = base::Sys.info()[["nodename"]])
[18:01:37.102]                         info <- base::sprintf("%s: %s", base::names(info), 
[18:01:37.102]                           info)
[18:01:37.102]                         info <- base::paste(info, collapse = "; ")
[18:01:37.102]                         if (!has_future) {
[18:01:37.102]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[18:01:37.102]                             info)
[18:01:37.102]                         }
[18:01:37.102]                         else {
[18:01:37.102]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[18:01:37.102]                             info, version)
[18:01:37.102]                         }
[18:01:37.102]                         base::stop(msg)
[18:01:37.102]                       }
[18:01:37.102]                     })
[18:01:37.102]                   }
[18:01:37.102]                   options(future.plan = NULL)
[18:01:37.102]                   Sys.unsetenv("R_FUTURE_PLAN")
[18:01:37.102]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[18:01:37.102]                 }
[18:01:37.102]                 ...future.workdir <- getwd()
[18:01:37.102]             }
[18:01:37.102]             ...future.oldOptions <- base::as.list(base::.Options)
[18:01:37.102]             ...future.oldEnvVars <- base::Sys.getenv()
[18:01:37.102]         }
[18:01:37.102]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[18:01:37.102]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[18:01:37.102]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[18:01:37.102]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[18:01:37.102]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[18:01:37.102]             future.stdout.windows.reencode = NULL, width = 80L)
[18:01:37.102]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[18:01:37.102]             base::names(...future.oldOptions))
[18:01:37.102]     }
[18:01:37.102]     if (FALSE) {
[18:01:37.102]     }
[18:01:37.102]     else {
[18:01:37.102]         if (TRUE) {
[18:01:37.102]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[18:01:37.102]                 open = "w")
[18:01:37.102]         }
[18:01:37.102]         else {
[18:01:37.102]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[18:01:37.102]                 windows = "NUL", "/dev/null"), open = "w")
[18:01:37.102]         }
[18:01:37.102]         base::sink(...future.stdout, type = "output", split = FALSE)
[18:01:37.102]         base::on.exit(if (!base::is.null(...future.stdout)) {
[18:01:37.102]             base::sink(type = "output", split = FALSE)
[18:01:37.102]             base::close(...future.stdout)
[18:01:37.102]         }, add = TRUE)
[18:01:37.102]     }
[18:01:37.102]     ...future.frame <- base::sys.nframe()
[18:01:37.102]     ...future.conditions <- base::list()
[18:01:37.102]     ...future.rng <- base::globalenv()$.Random.seed
[18:01:37.102]     if (FALSE) {
[18:01:37.102]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[18:01:37.102]             "...future.value", "...future.globalenv.names", ".Random.seed")
[18:01:37.102]     }
[18:01:37.102]     ...future.result <- base::tryCatch({
[18:01:37.102]         base::withCallingHandlers({
[18:01:37.102]             ...future.value <- base::withVisible(base::local({
[18:01:37.102]                 1
[18:01:37.102]             }))
[18:01:37.102]             future::FutureResult(value = ...future.value$value, 
[18:01:37.102]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:37.102]                   ...future.rng), globalenv = if (FALSE) 
[18:01:37.102]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[18:01:37.102]                     ...future.globalenv.names))
[18:01:37.102]                 else NULL, started = ...future.startTime, version = "1.8")
[18:01:37.102]         }, condition = base::local({
[18:01:37.102]             c <- base::c
[18:01:37.102]             inherits <- base::inherits
[18:01:37.102]             invokeRestart <- base::invokeRestart
[18:01:37.102]             length <- base::length
[18:01:37.102]             list <- base::list
[18:01:37.102]             seq.int <- base::seq.int
[18:01:37.102]             signalCondition <- base::signalCondition
[18:01:37.102]             sys.calls <- base::sys.calls
[18:01:37.102]             `[[` <- base::`[[`
[18:01:37.102]             `+` <- base::`+`
[18:01:37.102]             `<<-` <- base::`<<-`
[18:01:37.102]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[18:01:37.102]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[18:01:37.102]                   3L)]
[18:01:37.102]             }
[18:01:37.102]             function(cond) {
[18:01:37.102]                 is_error <- inherits(cond, "error")
[18:01:37.102]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[18:01:37.102]                   NULL)
[18:01:37.102]                 if (is_error) {
[18:01:37.102]                   sessionInformation <- function() {
[18:01:37.102]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[18:01:37.102]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[18:01:37.102]                       search = base::search(), system = base::Sys.info())
[18:01:37.102]                   }
[18:01:37.102]                   ...future.conditions[[length(...future.conditions) + 
[18:01:37.102]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[18:01:37.102]                     cond$call), session = sessionInformation(), 
[18:01:37.102]                     timestamp = base::Sys.time(), signaled = 0L)
[18:01:37.102]                   signalCondition(cond)
[18:01:37.102]                 }
[18:01:37.102]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[18:01:37.102]                 "immediateCondition"))) {
[18:01:37.102]                   signal <- TRUE && inherits(cond, "immediateCondition")
[18:01:37.102]                   ...future.conditions[[length(...future.conditions) + 
[18:01:37.102]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[18:01:37.102]                   if (TRUE && !signal) {
[18:01:37.102]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:37.102]                     {
[18:01:37.102]                       inherits <- base::inherits
[18:01:37.102]                       invokeRestart <- base::invokeRestart
[18:01:37.102]                       is.null <- base::is.null
[18:01:37.102]                       muffled <- FALSE
[18:01:37.102]                       if (inherits(cond, "message")) {
[18:01:37.102]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:37.102]                         if (muffled) 
[18:01:37.102]                           invokeRestart("muffleMessage")
[18:01:37.102]                       }
[18:01:37.102]                       else if (inherits(cond, "warning")) {
[18:01:37.102]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:37.102]                         if (muffled) 
[18:01:37.102]                           invokeRestart("muffleWarning")
[18:01:37.102]                       }
[18:01:37.102]                       else if (inherits(cond, "condition")) {
[18:01:37.102]                         if (!is.null(pattern)) {
[18:01:37.102]                           computeRestarts <- base::computeRestarts
[18:01:37.102]                           grepl <- base::grepl
[18:01:37.102]                           restarts <- computeRestarts(cond)
[18:01:37.102]                           for (restart in restarts) {
[18:01:37.102]                             name <- restart$name
[18:01:37.102]                             if (is.null(name)) 
[18:01:37.102]                               next
[18:01:37.102]                             if (!grepl(pattern, name)) 
[18:01:37.102]                               next
[18:01:37.102]                             invokeRestart(restart)
[18:01:37.102]                             muffled <- TRUE
[18:01:37.102]                             break
[18:01:37.102]                           }
[18:01:37.102]                         }
[18:01:37.102]                       }
[18:01:37.102]                       invisible(muffled)
[18:01:37.102]                     }
[18:01:37.102]                     muffleCondition(cond, pattern = "^muffle")
[18:01:37.102]                   }
[18:01:37.102]                 }
[18:01:37.102]                 else {
[18:01:37.102]                   if (TRUE) {
[18:01:37.102]                     muffleCondition <- function (cond, pattern = "^muffle") 
[18:01:37.102]                     {
[18:01:37.102]                       inherits <- base::inherits
[18:01:37.102]                       invokeRestart <- base::invokeRestart
[18:01:37.102]                       is.null <- base::is.null
[18:01:37.102]                       muffled <- FALSE
[18:01:37.102]                       if (inherits(cond, "message")) {
[18:01:37.102]                         muffled <- grepl(pattern, "muffleMessage")
[18:01:37.102]                         if (muffled) 
[18:01:37.102]                           invokeRestart("muffleMessage")
[18:01:37.102]                       }
[18:01:37.102]                       else if (inherits(cond, "warning")) {
[18:01:37.102]                         muffled <- grepl(pattern, "muffleWarning")
[18:01:37.102]                         if (muffled) 
[18:01:37.102]                           invokeRestart("muffleWarning")
[18:01:37.102]                       }
[18:01:37.102]                       else if (inherits(cond, "condition")) {
[18:01:37.102]                         if (!is.null(pattern)) {
[18:01:37.102]                           computeRestarts <- base::computeRestarts
[18:01:37.102]                           grepl <- base::grepl
[18:01:37.102]                           restarts <- computeRestarts(cond)
[18:01:37.102]                           for (restart in restarts) {
[18:01:37.102]                             name <- restart$name
[18:01:37.102]                             if (is.null(name)) 
[18:01:37.102]                               next
[18:01:37.102]                             if (!grepl(pattern, name)) 
[18:01:37.102]                               next
[18:01:37.102]                             invokeRestart(restart)
[18:01:37.102]                             muffled <- TRUE
[18:01:37.102]                             break
[18:01:37.102]                           }
[18:01:37.102]                         }
[18:01:37.102]                       }
[18:01:37.102]                       invisible(muffled)
[18:01:37.102]                     }
[18:01:37.102]                     muffleCondition(cond, pattern = "^muffle")
[18:01:37.102]                   }
[18:01:37.102]                 }
[18:01:37.102]             }
[18:01:37.102]         }))
[18:01:37.102]     }, error = function(ex) {
[18:01:37.102]         base::structure(base::list(value = NULL, visible = NULL, 
[18:01:37.102]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[18:01:37.102]                 ...future.rng), started = ...future.startTime, 
[18:01:37.102]             finished = Sys.time(), session_uuid = NA_character_, 
[18:01:37.102]             version = "1.8"), class = "FutureResult")
[18:01:37.102]     }, finally = {
[18:01:37.102]         if (!identical(...future.workdir, getwd())) 
[18:01:37.102]             setwd(...future.workdir)
[18:01:37.102]         {
[18:01:37.102]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[18:01:37.102]                 ...future.oldOptions$nwarnings <- NULL
[18:01:37.102]             }
[18:01:37.102]             base::options(...future.oldOptions)
[18:01:37.102]             if (.Platform$OS.type == "windows") {
[18:01:37.102]                 old_names <- names(...future.oldEnvVars)
[18:01:37.102]                 envs <- base::Sys.getenv()
[18:01:37.102]                 names <- names(envs)
[18:01:37.102]                 common <- intersect(names, old_names)
[18:01:37.102]                 added <- setdiff(names, old_names)
[18:01:37.102]                 removed <- setdiff(old_names, names)
[18:01:37.102]                 changed <- common[...future.oldEnvVars[common] != 
[18:01:37.102]                   envs[common]]
[18:01:37.102]                 NAMES <- toupper(changed)
[18:01:37.102]                 args <- list()
[18:01:37.102]                 for (kk in seq_along(NAMES)) {
[18:01:37.102]                   name <- changed[[kk]]
[18:01:37.102]                   NAME <- NAMES[[kk]]
[18:01:37.102]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:37.102]                     next
[18:01:37.102]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:37.102]                 }
[18:01:37.102]                 NAMES <- toupper(added)
[18:01:37.102]                 for (kk in seq_along(NAMES)) {
[18:01:37.102]                   name <- added[[kk]]
[18:01:37.102]                   NAME <- NAMES[[kk]]
[18:01:37.102]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:37.102]                     next
[18:01:37.102]                   args[[name]] <- ""
[18:01:37.102]                 }
[18:01:37.102]                 NAMES <- toupper(removed)
[18:01:37.102]                 for (kk in seq_along(NAMES)) {
[18:01:37.102]                   name <- removed[[kk]]
[18:01:37.102]                   NAME <- NAMES[[kk]]
[18:01:37.102]                   if (name != NAME && is.element(NAME, old_names)) 
[18:01:37.102]                     next
[18:01:37.102]                   args[[name]] <- ...future.oldEnvVars[[name]]
[18:01:37.102]                 }
[18:01:37.102]                 if (length(args) > 0) 
[18:01:37.102]                   base::do.call(base::Sys.setenv, args = args)
[18:01:37.102]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[18:01:37.102]             }
[18:01:37.102]             else {
[18:01:37.102]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[18:01:37.102]             }
[18:01:37.102]             {
[18:01:37.102]                 if (base::length(...future.futureOptionsAdded) > 
[18:01:37.102]                   0L) {
[18:01:37.102]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[18:01:37.102]                   base::names(opts) <- ...future.futureOptionsAdded
[18:01:37.102]                   base::options(opts)
[18:01:37.102]                 }
[18:01:37.102]                 {
[18:01:37.102]                   {
[18:01:37.102]                     NULL
[18:01:37.102]                     RNGkind("Mersenne-Twister")
[18:01:37.102]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[18:01:37.102]                       inherits = FALSE)
[18:01:37.102]                   }
[18:01:37.102]                   options(future.plan = NULL)
[18:01:37.102]                   if (is.na(NA_character_)) 
[18:01:37.102]                     Sys.unsetenv("R_FUTURE_PLAN")
[18:01:37.102]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[18:01:37.102]                   future::plan(list(function (..., envir = parent.frame()) 
[18:01:37.102]                   {
[18:01:37.102]                     future <- SequentialFuture(..., envir = envir)
[18:01:37.102]                     if (!future$lazy) 
[18:01:37.102]                       future <- run(future)
[18:01:37.102]                     invisible(future)
[18:01:37.102]                   }), .cleanup = FALSE, .init = FALSE)
[18:01:37.102]                 }
[18:01:37.102]             }
[18:01:37.102]         }
[18:01:37.102]     })
[18:01:37.102]     if (TRUE) {
[18:01:37.102]         base::sink(type = "output", split = FALSE)
[18:01:37.102]         if (TRUE) {
[18:01:37.102]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[18:01:37.102]         }
[18:01:37.102]         else {
[18:01:37.102]             ...future.result["stdout"] <- base::list(NULL)
[18:01:37.102]         }
[18:01:37.102]         base::close(...future.stdout)
[18:01:37.102]         ...future.stdout <- NULL
[18:01:37.102]     }
[18:01:37.102]     ...future.result$conditions <- ...future.conditions
[18:01:37.102]     ...future.result$finished <- base::Sys.time()
[18:01:37.102]     ...future.result
[18:01:37.102] }
[18:01:37.106] plan(): Setting new future strategy stack:
[18:01:37.106] List of future strategies:
[18:01:37.106] 1. sequential:
[18:01:37.106]    - args: function (..., envir = parent.frame())
[18:01:37.106]    - tweaked: FALSE
[18:01:37.106]    - call: NULL
[18:01:37.106] plan(): nbrOfWorkers() = 1
[18:01:37.108] plan(): Setting new future strategy stack:
[18:01:37.108] List of future strategies:
[18:01:37.108] 1. sequential:
[18:01:37.108]    - args: function (..., envir = parent.frame())
[18:01:37.108]    - tweaked: FALSE
[18:01:37.108]    - call: future::plan("sequential")
[18:01:37.108] plan(): nbrOfWorkers() = 1
[18:01:37.109] SequentialFuture started (and completed)
[18:01:37.109] - Launch lazy future ... done
[18:01:37.109] run() for 'SequentialFuture' ... done
> 
> f1 <- futureOf("a", envir = x)
> print(f1)
SequentialFuture:
Label: '<none>'
Expression:
{
    1
}
Lazy evaluation: FALSE
Asynchronous evaluation: FALSE
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: 56 bytes of class 'numeric'
Early signaling: FALSE
Owner process: 6831c28f-fd56-989a-9079-3584ecc86ad8
Class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
> stopifnot(identical(f1, x$a))
> f2 <- futureOf(a, envir = x)
> stopifnot(identical(f2, x$a))
> f3 <- futureOf(x[["a"]])
> stopifnot(identical(f3, x$a))
> f4 <- futureOf(x$a)
> stopifnot(identical(f4, x$a))
> 
> ## Identify all futures
> fs <- futureOf(envir = x)
> print(fs)
$a
SequentialFuture:
Label: '<none>'
Expression:
{
    1
}
Lazy evaluation: FALSE
Asynchronous evaluation: FALSE
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: 56 bytes of class 'numeric'
Early signaling: FALSE
Owner process: 6831c28f-fd56-989a-9079-3584ecc86ad8
Class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'

> stopifnot(identical(names(fs), c("a")))
> stopifnot(identical(fs$a, f1))
> 
> fsD <- futureOf(envir = x, drop = TRUE)
> print(fsD)
$a
SequentialFuture:
Label: '<none>'
Expression:
{
    1
}
Lazy evaluation: FALSE
Asynchronous evaluation: FALSE
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: 56 bytes of class 'numeric'
Early signaling: FALSE
Owner process: 6831c28f-fd56-989a-9079-3584ecc86ad8
Class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'

> stopifnot(all(sapply(fsD, FUN = inherits, "Future")))
> stopifnot(identical(fsD, fs))
> 
> message("*** futureOf() with environment - futures ... DONE")
*** futureOf() with environment - futures ... DONE
> 
> 
> message("*** futureOf() with environment - exceptions ...")
*** futureOf() with environment - exceptions ...
> 
> ## Invalid subset
> res <- tryCatch(futureOf(x[[0]], mustExist = FALSE), error = identity)
> stopifnot(inherits(res, "error"))
> 
> res <- tryCatch(futureOf(x[[0]], mustExist = TRUE), error = identity)
> stopifnot(inherits(res, "error"))
> 
> res <- tryCatch(futureOf(x[[10]], mustExist = TRUE), error = identity)
> stopifnot(inherits(res, "error"))
> 
> res <- tryCatch(futureOf(x[[1 + 2i]], mustExist = TRUE), error = identity)
> stopifnot(inherits(res, "error"))
> 
> message("*** futureOf() with environment - exceptions ... DONE")
*** futureOf() with environment - exceptions ... DONE
> 
> message("*** futureOf() with environment ... DONE")
*** futureOf() with environment ... DONE
> 
> source("incl/end.R")
[18:01:37.117] plan(): Setting new future strategy stack:
[18:01:37.117] List of future strategies:
[18:01:37.117] 1. FutureStrategy:
[18:01:37.117]    - args: function (..., envir = parent.frame())
[18:01:37.117]    - tweaked: FALSE
[18:01:37.117]    - call: future::plan(oplan)
[18:01:37.131] 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 
   0.32    0.10    0.37