R Under development (unstable) (2024-03-25 r86192 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> source("incl/start.R")
[17:26:32.312] plan(): Setting new future strategy stack:
[17:26:32.313] List of future strategies:
[17:26:32.313] 1. sequential:
[17:26:32.313]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:32.313]    - tweaked: FALSE
[17:26:32.313]    - call: future::plan("sequential")
[17:26:32.328] plan(): nbrOfWorkers() = 1
> 
> message("*** future() ...")
*** future() ...
> 
> f <- future({
+   42L
+ }, lazy = TRUE)
[17:26:32.335] getGlobalsAndPackages() ...
[17:26:32.335] Searching for globals...
[17:26:32.339] - globals found: [1] '{'
[17:26:32.339] Searching for globals ... DONE
[17:26:32.339] Resolving globals: FALSE
[17:26:32.340] 
[17:26:32.340] 
[17:26:32.340] getGlobalsAndPackages() ... DONE
> 
> print(resolved(f))
[17:26:32.341] resolved() for 'Future' ...
[17:26:32.341] - state: 'created'
[17:26:32.341] - run: TRUE
[17:26:32.341] - run() ...
[17:26:32.342] run() for 'Future' ...
[17:26:32.342] - state: 'created'
[17:26:32.342] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:32.343] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:32.344] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:32.344]   - Field: 'label'
[17:26:32.344]   - Field: 'local'
[17:26:32.345]   - Field: 'owner'
[17:26:32.345]   - Field: 'envir'
[17:26:32.345]   - Field: 'packages'
[17:26:32.345]   - Field: 'gc'
[17:26:32.346]   - Field: 'conditions'
[17:26:32.346]   - Field: 'expr'
[17:26:32.346]   - Field: 'uuid'
[17:26:32.346]   - Field: 'seed'
[17:26:32.346]   - Field: 'version'
[17:26:32.346]   - Field: 'result'
[17:26:32.347]   - Field: 'asynchronous'
[17:26:32.347]   - Field: 'calls'
[17:26:32.347]   - Field: 'globals'
[17:26:32.347]   - Field: 'stdout'
[17:26:32.347]   - Field: 'earlySignal'
[17:26:32.347]   - Field: 'lazy'
[17:26:32.348]   - Field: 'state'
[17:26:32.348] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:32.348] - Launch lazy future ...
[17:26:32.349] Packages needed by the future expression (n = 0): <none>
[17:26:32.349] Packages needed by future strategies (n = 0): <none>
[17:26:32.350] {
[17:26:32.350]     {
[17:26:32.350]         {
[17:26:32.350]             ...future.startTime <- base::Sys.time()
[17:26:32.350]             {
[17:26:32.350]                 {
[17:26:32.350]                   {
[17:26:32.350]                     base::local({
[17:26:32.350]                       has_future <- base::requireNamespace("future", 
[17:26:32.350]                         quietly = TRUE)
[17:26:32.350]                       if (has_future) {
[17:26:32.350]                         ns <- base::getNamespace("future")
[17:26:32.350]                         version <- ns[[".package"]][["version"]]
[17:26:32.350]                         if (is.null(version)) 
[17:26:32.350]                           version <- utils::packageVersion("future")
[17:26:32.350]                       }
[17:26:32.350]                       else {
[17:26:32.350]                         version <- NULL
[17:26:32.350]                       }
[17:26:32.350]                       if (!has_future || version < "1.8.0") {
[17:26:32.350]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:32.350]                           "", base::R.version$version.string), 
[17:26:32.350]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:32.350]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:32.350]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:32.350]                             "release", "version")], collapse = " "), 
[17:26:32.350]                           hostname = base::Sys.info()[["nodename"]])
[17:26:32.350]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:32.350]                           info)
[17:26:32.350]                         info <- base::paste(info, collapse = "; ")
[17:26:32.350]                         if (!has_future) {
[17:26:32.350]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:32.350]                             info)
[17:26:32.350]                         }
[17:26:32.350]                         else {
[17:26:32.350]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:32.350]                             info, version)
[17:26:32.350]                         }
[17:26:32.350]                         base::stop(msg)
[17:26:32.350]                       }
[17:26:32.350]                     })
[17:26:32.350]                   }
[17:26:32.350]                   ...future.strategy.old <- future::plan("list")
[17:26:32.350]                   options(future.plan = NULL)
[17:26:32.350]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:32.350]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:32.350]                 }
[17:26:32.350]                 ...future.workdir <- getwd()
[17:26:32.350]             }
[17:26:32.350]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:32.350]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:32.350]         }
[17:26:32.350]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:26:32.350]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:32.350]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:26:32.350]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:26:32.350]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:32.350]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:32.350]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:32.350]             base::names(...future.oldOptions))
[17:26:32.350]     }
[17:26:32.350]     if (FALSE) {
[17:26:32.350]     }
[17:26:32.350]     else {
[17:26:32.350]         if (TRUE) {
[17:26:32.350]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:32.350]                 open = "w")
[17:26:32.350]         }
[17:26:32.350]         else {
[17:26:32.350]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:32.350]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:32.350]         }
[17:26:32.350]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:32.350]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:32.350]             base::sink(type = "output", split = FALSE)
[17:26:32.350]             base::close(...future.stdout)
[17:26:32.350]         }, add = TRUE)
[17:26:32.350]     }
[17:26:32.350]     ...future.frame <- base::sys.nframe()
[17:26:32.350]     ...future.conditions <- base::list()
[17:26:32.350]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:32.350]     if (FALSE) {
[17:26:32.350]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:32.350]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:32.350]     }
[17:26:32.350]     ...future.result <- base::tryCatch({
[17:26:32.350]         base::withCallingHandlers({
[17:26:32.350]             ...future.value <- base::withVisible(base::local({
[17:26:32.350]                 42L
[17:26:32.350]             }))
[17:26:32.350]             future::FutureResult(value = ...future.value$value, 
[17:26:32.350]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:32.350]                   ...future.rng), globalenv = if (FALSE) 
[17:26:32.350]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:32.350]                     ...future.globalenv.names))
[17:26:32.350]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:32.350]         }, condition = base::local({
[17:26:32.350]             c <- base::c
[17:26:32.350]             inherits <- base::inherits
[17:26:32.350]             invokeRestart <- base::invokeRestart
[17:26:32.350]             length <- base::length
[17:26:32.350]             list <- base::list
[17:26:32.350]             seq.int <- base::seq.int
[17:26:32.350]             signalCondition <- base::signalCondition
[17:26:32.350]             sys.calls <- base::sys.calls
[17:26:32.350]             `[[` <- base::`[[`
[17:26:32.350]             `+` <- base::`+`
[17:26:32.350]             `<<-` <- base::`<<-`
[17:26:32.350]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:32.350]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:32.350]                   3L)]
[17:26:32.350]             }
[17:26:32.350]             function(cond) {
[17:26:32.350]                 is_error <- inherits(cond, "error")
[17:26:32.350]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:32.350]                   NULL)
[17:26:32.350]                 if (is_error) {
[17:26:32.350]                   sessionInformation <- function() {
[17:26:32.350]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:32.350]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:32.350]                       search = base::search(), system = base::Sys.info())
[17:26:32.350]                   }
[17:26:32.350]                   ...future.conditions[[length(...future.conditions) + 
[17:26:32.350]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:32.350]                     cond$call), session = sessionInformation(), 
[17:26:32.350]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:32.350]                   signalCondition(cond)
[17:26:32.350]                 }
[17:26:32.350]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:32.350]                 "immediateCondition"))) {
[17:26:32.350]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:32.350]                   ...future.conditions[[length(...future.conditions) + 
[17:26:32.350]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:32.350]                   if (TRUE && !signal) {
[17:26:32.350]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:32.350]                     {
[17:26:32.350]                       inherits <- base::inherits
[17:26:32.350]                       invokeRestart <- base::invokeRestart
[17:26:32.350]                       is.null <- base::is.null
[17:26:32.350]                       muffled <- FALSE
[17:26:32.350]                       if (inherits(cond, "message")) {
[17:26:32.350]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:32.350]                         if (muffled) 
[17:26:32.350]                           invokeRestart("muffleMessage")
[17:26:32.350]                       }
[17:26:32.350]                       else if (inherits(cond, "warning")) {
[17:26:32.350]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:32.350]                         if (muffled) 
[17:26:32.350]                           invokeRestart("muffleWarning")
[17:26:32.350]                       }
[17:26:32.350]                       else if (inherits(cond, "condition")) {
[17:26:32.350]                         if (!is.null(pattern)) {
[17:26:32.350]                           computeRestarts <- base::computeRestarts
[17:26:32.350]                           grepl <- base::grepl
[17:26:32.350]                           restarts <- computeRestarts(cond)
[17:26:32.350]                           for (restart in restarts) {
[17:26:32.350]                             name <- restart$name
[17:26:32.350]                             if (is.null(name)) 
[17:26:32.350]                               next
[17:26:32.350]                             if (!grepl(pattern, name)) 
[17:26:32.350]                               next
[17:26:32.350]                             invokeRestart(restart)
[17:26:32.350]                             muffled <- TRUE
[17:26:32.350]                             break
[17:26:32.350]                           }
[17:26:32.350]                         }
[17:26:32.350]                       }
[17:26:32.350]                       invisible(muffled)
[17:26:32.350]                     }
[17:26:32.350]                     muffleCondition(cond, pattern = "^muffle")
[17:26:32.350]                   }
[17:26:32.350]                 }
[17:26:32.350]                 else {
[17:26:32.350]                   if (TRUE) {
[17:26:32.350]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:32.350]                     {
[17:26:32.350]                       inherits <- base::inherits
[17:26:32.350]                       invokeRestart <- base::invokeRestart
[17:26:32.350]                       is.null <- base::is.null
[17:26:32.350]                       muffled <- FALSE
[17:26:32.350]                       if (inherits(cond, "message")) {
[17:26:32.350]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:32.350]                         if (muffled) 
[17:26:32.350]                           invokeRestart("muffleMessage")
[17:26:32.350]                       }
[17:26:32.350]                       else if (inherits(cond, "warning")) {
[17:26:32.350]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:32.350]                         if (muffled) 
[17:26:32.350]                           invokeRestart("muffleWarning")
[17:26:32.350]                       }
[17:26:32.350]                       else if (inherits(cond, "condition")) {
[17:26:32.350]                         if (!is.null(pattern)) {
[17:26:32.350]                           computeRestarts <- base::computeRestarts
[17:26:32.350]                           grepl <- base::grepl
[17:26:32.350]                           restarts <- computeRestarts(cond)
[17:26:32.350]                           for (restart in restarts) {
[17:26:32.350]                             name <- restart$name
[17:26:32.350]                             if (is.null(name)) 
[17:26:32.350]                               next
[17:26:32.350]                             if (!grepl(pattern, name)) 
[17:26:32.350]                               next
[17:26:32.350]                             invokeRestart(restart)
[17:26:32.350]                             muffled <- TRUE
[17:26:32.350]                             break
[17:26:32.350]                           }
[17:26:32.350]                         }
[17:26:32.350]                       }
[17:26:32.350]                       invisible(muffled)
[17:26:32.350]                     }
[17:26:32.350]                     muffleCondition(cond, pattern = "^muffle")
[17:26:32.350]                   }
[17:26:32.350]                 }
[17:26:32.350]             }
[17:26:32.350]         }))
[17:26:32.350]     }, error = function(ex) {
[17:26:32.350]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:32.350]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:32.350]                 ...future.rng), started = ...future.startTime, 
[17:26:32.350]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:32.350]             version = "1.8"), class = "FutureResult")
[17:26:32.350]     }, finally = {
[17:26:32.350]         if (!identical(...future.workdir, getwd())) 
[17:26:32.350]             setwd(...future.workdir)
[17:26:32.350]         {
[17:26:32.350]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:32.350]                 ...future.oldOptions$nwarnings <- NULL
[17:26:32.350]             }
[17:26:32.350]             base::options(...future.oldOptions)
[17:26:32.350]             if (.Platform$OS.type == "windows") {
[17:26:32.350]                 old_names <- names(...future.oldEnvVars)
[17:26:32.350]                 envs <- base::Sys.getenv()
[17:26:32.350]                 names <- names(envs)
[17:26:32.350]                 common <- intersect(names, old_names)
[17:26:32.350]                 added <- setdiff(names, old_names)
[17:26:32.350]                 removed <- setdiff(old_names, names)
[17:26:32.350]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:32.350]                   envs[common]]
[17:26:32.350]                 NAMES <- toupper(changed)
[17:26:32.350]                 args <- list()
[17:26:32.350]                 for (kk in seq_along(NAMES)) {
[17:26:32.350]                   name <- changed[[kk]]
[17:26:32.350]                   NAME <- NAMES[[kk]]
[17:26:32.350]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:32.350]                     next
[17:26:32.350]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:32.350]                 }
[17:26:32.350]                 NAMES <- toupper(added)
[17:26:32.350]                 for (kk in seq_along(NAMES)) {
[17:26:32.350]                   name <- added[[kk]]
[17:26:32.350]                   NAME <- NAMES[[kk]]
[17:26:32.350]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:32.350]                     next
[17:26:32.350]                   args[[name]] <- ""
[17:26:32.350]                 }
[17:26:32.350]                 NAMES <- toupper(removed)
[17:26:32.350]                 for (kk in seq_along(NAMES)) {
[17:26:32.350]                   name <- removed[[kk]]
[17:26:32.350]                   NAME <- NAMES[[kk]]
[17:26:32.350]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:32.350]                     next
[17:26:32.350]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:32.350]                 }
[17:26:32.350]                 if (length(args) > 0) 
[17:26:32.350]                   base::do.call(base::Sys.setenv, args = args)
[17:26:32.350]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:32.350]             }
[17:26:32.350]             else {
[17:26:32.350]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:32.350]             }
[17:26:32.350]             {
[17:26:32.350]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:32.350]                   0L) {
[17:26:32.350]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:32.350]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:32.350]                   base::options(opts)
[17:26:32.350]                 }
[17:26:32.350]                 {
[17:26:32.350]                   {
[17:26:32.350]                     NULL
[17:26:32.350]                     RNGkind("Mersenne-Twister")
[17:26:32.350]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:32.350]                       inherits = FALSE)
[17:26:32.350]                   }
[17:26:32.350]                   options(future.plan = NULL)
[17:26:32.350]                   if (is.na(NA_character_)) 
[17:26:32.350]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:32.350]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:32.350]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:32.350]                     .init = FALSE)
[17:26:32.350]                 }
[17:26:32.350]             }
[17:26:32.350]         }
[17:26:32.350]     })
[17:26:32.350]     if (TRUE) {
[17:26:32.350]         base::sink(type = "output", split = FALSE)
[17:26:32.350]         if (TRUE) {
[17:26:32.350]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:32.350]         }
[17:26:32.350]         else {
[17:26:32.350]             ...future.result["stdout"] <- base::list(NULL)
[17:26:32.350]         }
[17:26:32.350]         base::close(...future.stdout)
[17:26:32.350]         ...future.stdout <- NULL
[17:26:32.350]     }
[17:26:32.350]     ...future.result$conditions <- ...future.conditions
[17:26:32.350]     ...future.result$finished <- base::Sys.time()
[17:26:32.350]     ...future.result
[17:26:32.350] }
[17:26:32.354] plan(): Setting new future strategy stack:
[17:26:32.354] List of future strategies:
[17:26:32.354] 1. sequential:
[17:26:32.354]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:32.354]    - tweaked: FALSE
[17:26:32.354]    - call: NULL
[17:26:32.355] plan(): nbrOfWorkers() = 1
[17:26:32.357] plan(): Setting new future strategy stack:
[17:26:32.357] List of future strategies:
[17:26:32.357] 1. sequential:
[17:26:32.357]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:32.357]    - tweaked: FALSE
[17:26:32.357]    - call: future::plan("sequential")
[17:26:32.358] plan(): nbrOfWorkers() = 1
[17:26:32.358] SequentialFuture started (and completed)
[17:26:32.359] - Launch lazy future ... done
[17:26:32.359] run() for 'SequentialFuture' ... done
[17:26:32.359] - run() ... done
[17:26:32.359] - resolved() ...
[17:26:32.359] resolved() for 'SequentialFuture' ...
[17:26:32.359] - state: 'finished'
[17:26:32.360] - run: TRUE
[17:26:32.360] - result: 'FutureResult'
[17:26:32.360] resolved() for 'SequentialFuture' ... done
[17:26:32.360] - resolved: TRUE
[17:26:32.360] - resolved() ... done
[17:26:32.361] resolved() for 'SequentialFuture' ... done
[1] TRUE
> y <- value(f)
> print(y)
[1] 42
> stopifnot(y == 42L)
> 
> 
> message("*** future() w/ gc = TRUE ...")
*** future() w/ gc = TRUE ...
> 
> f <- future(42L, gc = TRUE, lazy = TRUE)
[17:26:32.361] getGlobalsAndPackages() ...
[17:26:32.362] Searching for globals...
[17:26:32.362] 
[17:26:32.362] Searching for globals ... DONE
[17:26:32.362] - globals: [0] <none>
[17:26:32.362] getGlobalsAndPackages() ... DONE
> print(f)
Future:
Label: '<none>'
Expression:
[1] 42
Lazy evaluation: TRUE
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: FALSE
Value: <not collected>
Conditions captured: <none>
Early signaling: FALSE
Owner process: dc87b2d9-0079-5309-11c8-7562b33a25df
Class: 'Future', 'environment'
> y <- value(f)
[17:26:32.363] run() for 'Future' ...
[17:26:32.364] - state: 'created'
[17:26:32.364] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:32.364] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:32.364] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:32.365]   - Field: 'label'
[17:26:32.365]   - Field: 'local'
[17:26:32.365]   - Field: 'owner'
[17:26:32.365]   - Field: 'envir'
[17:26:32.365]   - Field: 'packages'
[17:26:32.367]   - Field: 'gc'
[17:26:32.368]   - Field: 'conditions'
[17:26:32.368]   - Field: 'expr'
[17:26:32.368]   - Field: 'uuid'
[17:26:32.368]   - Field: 'seed'
[17:26:32.368]   - Field: 'version'
[17:26:32.368]   - Field: 'result'
[17:26:32.369]   - Field: 'asynchronous'
[17:26:32.369]   - Field: 'calls'
[17:26:32.369]   - Field: 'globals'
[17:26:32.369]   - Field: 'stdout'
[17:26:32.369]   - Field: 'earlySignal'
[17:26:32.369]   - Field: 'lazy'
[17:26:32.370]   - Field: 'state'
[17:26:32.370] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:32.370] - Launch lazy future ...
[17:26:32.370] Packages needed by the future expression (n = 0): <none>
[17:26:32.370] Packages needed by future strategies (n = 0): <none>
[17:26:32.371] {
[17:26:32.371]     {
[17:26:32.371]         {
[17:26:32.371]             ...future.startTime <- base::Sys.time()
[17:26:32.371]             {
[17:26:32.371]                 {
[17:26:32.371]                   {
[17:26:32.371]                     base::local({
[17:26:32.371]                       has_future <- base::requireNamespace("future", 
[17:26:32.371]                         quietly = TRUE)
[17:26:32.371]                       if (has_future) {
[17:26:32.371]                         ns <- base::getNamespace("future")
[17:26:32.371]                         version <- ns[[".package"]][["version"]]
[17:26:32.371]                         if (is.null(version)) 
[17:26:32.371]                           version <- utils::packageVersion("future")
[17:26:32.371]                       }
[17:26:32.371]                       else {
[17:26:32.371]                         version <- NULL
[17:26:32.371]                       }
[17:26:32.371]                       if (!has_future || version < "1.8.0") {
[17:26:32.371]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:32.371]                           "", base::R.version$version.string), 
[17:26:32.371]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:32.371]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:32.371]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:32.371]                             "release", "version")], collapse = " "), 
[17:26:32.371]                           hostname = base::Sys.info()[["nodename"]])
[17:26:32.371]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:32.371]                           info)
[17:26:32.371]                         info <- base::paste(info, collapse = "; ")
[17:26:32.371]                         if (!has_future) {
[17:26:32.371]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:32.371]                             info)
[17:26:32.371]                         }
[17:26:32.371]                         else {
[17:26:32.371]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:32.371]                             info, version)
[17:26:32.371]                         }
[17:26:32.371]                         base::stop(msg)
[17:26:32.371]                       }
[17:26:32.371]                     })
[17:26:32.371]                   }
[17:26:32.371]                   ...future.strategy.old <- future::plan("list")
[17:26:32.371]                   options(future.plan = NULL)
[17:26:32.371]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:32.371]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:32.371]                 }
[17:26:32.371]                 ...future.workdir <- getwd()
[17:26:32.371]             }
[17:26:32.371]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:32.371]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:32.371]         }
[17:26:32.371]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:26:32.371]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:32.371]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:26:32.371]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:26:32.371]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:32.371]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:32.371]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:32.371]             base::names(...future.oldOptions))
[17:26:32.371]     }
[17:26:32.371]     if (FALSE) {
[17:26:32.371]     }
[17:26:32.371]     else {
[17:26:32.371]         if (TRUE) {
[17:26:32.371]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:32.371]                 open = "w")
[17:26:32.371]         }
[17:26:32.371]         else {
[17:26:32.371]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:32.371]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:32.371]         }
[17:26:32.371]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:32.371]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:32.371]             base::sink(type = "output", split = FALSE)
[17:26:32.371]             base::close(...future.stdout)
[17:26:32.371]         }, add = TRUE)
[17:26:32.371]     }
[17:26:32.371]     ...future.frame <- base::sys.nframe()
[17:26:32.371]     ...future.conditions <- base::list()
[17:26:32.371]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:32.371]     if (FALSE) {
[17:26:32.371]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:32.371]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:32.371]     }
[17:26:32.371]     ...future.result <- base::tryCatch({
[17:26:32.371]         base::withCallingHandlers({
[17:26:32.371]             ...future.value <- base::withVisible(base::local(42L))
[17:26:32.371]             future::FutureResult(value = ...future.value$value, 
[17:26:32.371]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:32.371]                   ...future.rng), globalenv = if (FALSE) 
[17:26:32.371]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:32.371]                     ...future.globalenv.names))
[17:26:32.371]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:32.371]         }, condition = base::local({
[17:26:32.371]             c <- base::c
[17:26:32.371]             inherits <- base::inherits
[17:26:32.371]             invokeRestart <- base::invokeRestart
[17:26:32.371]             length <- base::length
[17:26:32.371]             list <- base::list
[17:26:32.371]             seq.int <- base::seq.int
[17:26:32.371]             signalCondition <- base::signalCondition
[17:26:32.371]             sys.calls <- base::sys.calls
[17:26:32.371]             `[[` <- base::`[[`
[17:26:32.371]             `+` <- base::`+`
[17:26:32.371]             `<<-` <- base::`<<-`
[17:26:32.371]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:32.371]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:32.371]                   3L)]
[17:26:32.371]             }
[17:26:32.371]             function(cond) {
[17:26:32.371]                 is_error <- inherits(cond, "error")
[17:26:32.371]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:32.371]                   NULL)
[17:26:32.371]                 if (is_error) {
[17:26:32.371]                   sessionInformation <- function() {
[17:26:32.371]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:32.371]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:32.371]                       search = base::search(), system = base::Sys.info())
[17:26:32.371]                   }
[17:26:32.371]                   ...future.conditions[[length(...future.conditions) + 
[17:26:32.371]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:32.371]                     cond$call), session = sessionInformation(), 
[17:26:32.371]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:32.371]                   signalCondition(cond)
[17:26:32.371]                 }
[17:26:32.371]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:32.371]                 "immediateCondition"))) {
[17:26:32.371]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:32.371]                   ...future.conditions[[length(...future.conditions) + 
[17:26:32.371]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:32.371]                   if (TRUE && !signal) {
[17:26:32.371]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:32.371]                     {
[17:26:32.371]                       inherits <- base::inherits
[17:26:32.371]                       invokeRestart <- base::invokeRestart
[17:26:32.371]                       is.null <- base::is.null
[17:26:32.371]                       muffled <- FALSE
[17:26:32.371]                       if (inherits(cond, "message")) {
[17:26:32.371]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:32.371]                         if (muffled) 
[17:26:32.371]                           invokeRestart("muffleMessage")
[17:26:32.371]                       }
[17:26:32.371]                       else if (inherits(cond, "warning")) {
[17:26:32.371]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:32.371]                         if (muffled) 
[17:26:32.371]                           invokeRestart("muffleWarning")
[17:26:32.371]                       }
[17:26:32.371]                       else if (inherits(cond, "condition")) {
[17:26:32.371]                         if (!is.null(pattern)) {
[17:26:32.371]                           computeRestarts <- base::computeRestarts
[17:26:32.371]                           grepl <- base::grepl
[17:26:32.371]                           restarts <- computeRestarts(cond)
[17:26:32.371]                           for (restart in restarts) {
[17:26:32.371]                             name <- restart$name
[17:26:32.371]                             if (is.null(name)) 
[17:26:32.371]                               next
[17:26:32.371]                             if (!grepl(pattern, name)) 
[17:26:32.371]                               next
[17:26:32.371]                             invokeRestart(restart)
[17:26:32.371]                             muffled <- TRUE
[17:26:32.371]                             break
[17:26:32.371]                           }
[17:26:32.371]                         }
[17:26:32.371]                       }
[17:26:32.371]                       invisible(muffled)
[17:26:32.371]                     }
[17:26:32.371]                     muffleCondition(cond, pattern = "^muffle")
[17:26:32.371]                   }
[17:26:32.371]                 }
[17:26:32.371]                 else {
[17:26:32.371]                   if (TRUE) {
[17:26:32.371]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:32.371]                     {
[17:26:32.371]                       inherits <- base::inherits
[17:26:32.371]                       invokeRestart <- base::invokeRestart
[17:26:32.371]                       is.null <- base::is.null
[17:26:32.371]                       muffled <- FALSE
[17:26:32.371]                       if (inherits(cond, "message")) {
[17:26:32.371]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:32.371]                         if (muffled) 
[17:26:32.371]                           invokeRestart("muffleMessage")
[17:26:32.371]                       }
[17:26:32.371]                       else if (inherits(cond, "warning")) {
[17:26:32.371]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:32.371]                         if (muffled) 
[17:26:32.371]                           invokeRestart("muffleWarning")
[17:26:32.371]                       }
[17:26:32.371]                       else if (inherits(cond, "condition")) {
[17:26:32.371]                         if (!is.null(pattern)) {
[17:26:32.371]                           computeRestarts <- base::computeRestarts
[17:26:32.371]                           grepl <- base::grepl
[17:26:32.371]                           restarts <- computeRestarts(cond)
[17:26:32.371]                           for (restart in restarts) {
[17:26:32.371]                             name <- restart$name
[17:26:32.371]                             if (is.null(name)) 
[17:26:32.371]                               next
[17:26:32.371]                             if (!grepl(pattern, name)) 
[17:26:32.371]                               next
[17:26:32.371]                             invokeRestart(restart)
[17:26:32.371]                             muffled <- TRUE
[17:26:32.371]                             break
[17:26:32.371]                           }
[17:26:32.371]                         }
[17:26:32.371]                       }
[17:26:32.371]                       invisible(muffled)
[17:26:32.371]                     }
[17:26:32.371]                     muffleCondition(cond, pattern = "^muffle")
[17:26:32.371]                   }
[17:26:32.371]                 }
[17:26:32.371]             }
[17:26:32.371]         }))
[17:26:32.371]     }, error = function(ex) {
[17:26:32.371]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:32.371]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:32.371]                 ...future.rng), started = ...future.startTime, 
[17:26:32.371]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:32.371]             version = "1.8"), class = "FutureResult")
[17:26:32.371]     }, finally = {
[17:26:32.371]         if (!identical(...future.workdir, getwd())) 
[17:26:32.371]             setwd(...future.workdir)
[17:26:32.371]         {
[17:26:32.371]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:32.371]                 ...future.oldOptions$nwarnings <- NULL
[17:26:32.371]             }
[17:26:32.371]             base::options(...future.oldOptions)
[17:26:32.371]             if (.Platform$OS.type == "windows") {
[17:26:32.371]                 old_names <- names(...future.oldEnvVars)
[17:26:32.371]                 envs <- base::Sys.getenv()
[17:26:32.371]                 names <- names(envs)
[17:26:32.371]                 common <- intersect(names, old_names)
[17:26:32.371]                 added <- setdiff(names, old_names)
[17:26:32.371]                 removed <- setdiff(old_names, names)
[17:26:32.371]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:32.371]                   envs[common]]
[17:26:32.371]                 NAMES <- toupper(changed)
[17:26:32.371]                 args <- list()
[17:26:32.371]                 for (kk in seq_along(NAMES)) {
[17:26:32.371]                   name <- changed[[kk]]
[17:26:32.371]                   NAME <- NAMES[[kk]]
[17:26:32.371]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:32.371]                     next
[17:26:32.371]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:32.371]                 }
[17:26:32.371]                 NAMES <- toupper(added)
[17:26:32.371]                 for (kk in seq_along(NAMES)) {
[17:26:32.371]                   name <- added[[kk]]
[17:26:32.371]                   NAME <- NAMES[[kk]]
[17:26:32.371]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:32.371]                     next
[17:26:32.371]                   args[[name]] <- ""
[17:26:32.371]                 }
[17:26:32.371]                 NAMES <- toupper(removed)
[17:26:32.371]                 for (kk in seq_along(NAMES)) {
[17:26:32.371]                   name <- removed[[kk]]
[17:26:32.371]                   NAME <- NAMES[[kk]]
[17:26:32.371]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:32.371]                     next
[17:26:32.371]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:32.371]                 }
[17:26:32.371]                 if (length(args) > 0) 
[17:26:32.371]                   base::do.call(base::Sys.setenv, args = args)
[17:26:32.371]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:32.371]             }
[17:26:32.371]             else {
[17:26:32.371]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:32.371]             }
[17:26:32.371]             {
[17:26:32.371]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:32.371]                   0L) {
[17:26:32.371]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:32.371]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:32.371]                   base::options(opts)
[17:26:32.371]                 }
[17:26:32.371]                 {
[17:26:32.371]                   {
[17:26:32.371]                     NULL
[17:26:32.371]                     RNGkind("Mersenne-Twister")
[17:26:32.371]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:32.371]                       inherits = FALSE)
[17:26:32.371]                   }
[17:26:32.371]                   options(future.plan = NULL)
[17:26:32.371]                   if (is.na(NA_character_)) 
[17:26:32.371]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:32.371]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:32.371]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:32.371]                     .init = FALSE)
[17:26:32.371]                 }
[17:26:32.371]             }
[17:26:32.371]         }
[17:26:32.371]     })
[17:26:32.371]     if (TRUE) {
[17:26:32.371]         base::sink(type = "output", split = FALSE)
[17:26:32.371]         if (TRUE) {
[17:26:32.371]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:32.371]         }
[17:26:32.371]         else {
[17:26:32.371]             ...future.result["stdout"] <- base::list(NULL)
[17:26:32.371]         }
[17:26:32.371]         base::close(...future.stdout)
[17:26:32.371]         ...future.stdout <- NULL
[17:26:32.371]     }
[17:26:32.371]     ...future.result$conditions <- ...future.conditions
[17:26:32.371]     ...future.result$finished <- base::Sys.time()
[17:26:32.371]     ...future.result
[17:26:32.371] }
[17:26:32.375] plan(): Setting new future strategy stack:
[17:26:32.375] List of future strategies:
[17:26:32.375] 1. sequential:
[17:26:32.375]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:32.375]    - tweaked: FALSE
[17:26:32.375]    - call: NULL
[17:26:32.376] plan(): nbrOfWorkers() = 1
[17:26:32.377] plan(): Setting new future strategy stack:
[17:26:32.377] List of future strategies:
[17:26:32.377] 1. sequential:
[17:26:32.377]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:32.377]    - tweaked: FALSE
[17:26:32.377]    - call: future::plan("sequential")
[17:26:32.378] plan(): nbrOfWorkers() = 1
[17:26:32.378] SequentialFuture started (and completed)
[17:26:32.378] - Launch lazy future ... done
[17:26:32.378] run() for 'SequentialFuture' ... done
> print(y)
[1] 42
> stopifnot(y == 42L)
> 
> message("*** future() w/ gc = TRUE ... DONE")
*** future() w/ gc = TRUE ... DONE
> message("*** future() ... DONE")
*** future() ... DONE
> 
> message("*** future() ...")
*** future() ...
> 
> f <- future({
+   42L
+ }, lazy = TRUE)
[17:26:32.379] getGlobalsAndPackages() ...
[17:26:32.379] Searching for globals...
[17:26:32.380] - globals found: [1] '{'
[17:26:32.380] Searching for globals ... DONE
[17:26:32.380] Resolving globals: FALSE
[17:26:32.380] 
[17:26:32.381] 
[17:26:32.381] getGlobalsAndPackages() ... DONE
> 
> print(resolved(f))
[17:26:32.381] resolved() for 'Future' ...
[17:26:32.381] - state: 'created'
[17:26:32.381] - run: TRUE
[17:26:32.382] - run() ...
[17:26:32.382] run() for 'Future' ...
[17:26:32.382] - state: 'created'
[17:26:32.382] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:32.382] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:32.383] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:32.383]   - Field: 'label'
[17:26:32.383]   - Field: 'local'
[17:26:32.383]   - Field: 'owner'
[17:26:32.383]   - Field: 'envir'
[17:26:32.383]   - Field: 'packages'
[17:26:32.384]   - Field: 'gc'
[17:26:32.384]   - Field: 'conditions'
[17:26:32.384]   - Field: 'expr'
[17:26:32.384]   - Field: 'uuid'
[17:26:32.384]   - Field: 'seed'
[17:26:32.385]   - Field: 'version'
[17:26:32.385]   - Field: 'result'
[17:26:32.385]   - Field: 'asynchronous'
[17:26:32.385]   - Field: 'calls'
[17:26:32.385]   - Field: 'globals'
[17:26:32.385]   - Field: 'stdout'
[17:26:32.386]   - Field: 'earlySignal'
[17:26:32.386]   - Field: 'lazy'
[17:26:32.386]   - Field: 'state'
[17:26:32.386] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:32.386] - Launch lazy future ...
[17:26:32.386] Packages needed by the future expression (n = 0): <none>
[17:26:32.387] Packages needed by future strategies (n = 0): <none>
[17:26:32.387] {
[17:26:32.387]     {
[17:26:32.387]         {
[17:26:32.387]             ...future.startTime <- base::Sys.time()
[17:26:32.387]             {
[17:26:32.387]                 {
[17:26:32.387]                   {
[17:26:32.387]                     base::local({
[17:26:32.387]                       has_future <- base::requireNamespace("future", 
[17:26:32.387]                         quietly = TRUE)
[17:26:32.387]                       if (has_future) {
[17:26:32.387]                         ns <- base::getNamespace("future")
[17:26:32.387]                         version <- ns[[".package"]][["version"]]
[17:26:32.387]                         if (is.null(version)) 
[17:26:32.387]                           version <- utils::packageVersion("future")
[17:26:32.387]                       }
[17:26:32.387]                       else {
[17:26:32.387]                         version <- NULL
[17:26:32.387]                       }
[17:26:32.387]                       if (!has_future || version < "1.8.0") {
[17:26:32.387]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:32.387]                           "", base::R.version$version.string), 
[17:26:32.387]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:32.387]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:32.387]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:32.387]                             "release", "version")], collapse = " "), 
[17:26:32.387]                           hostname = base::Sys.info()[["nodename"]])
[17:26:32.387]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:32.387]                           info)
[17:26:32.387]                         info <- base::paste(info, collapse = "; ")
[17:26:32.387]                         if (!has_future) {
[17:26:32.387]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:32.387]                             info)
[17:26:32.387]                         }
[17:26:32.387]                         else {
[17:26:32.387]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:32.387]                             info, version)
[17:26:32.387]                         }
[17:26:32.387]                         base::stop(msg)
[17:26:32.387]                       }
[17:26:32.387]                     })
[17:26:32.387]                   }
[17:26:32.387]                   ...future.strategy.old <- future::plan("list")
[17:26:32.387]                   options(future.plan = NULL)
[17:26:32.387]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:32.387]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:32.387]                 }
[17:26:32.387]                 ...future.workdir <- getwd()
[17:26:32.387]             }
[17:26:32.387]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:32.387]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:32.387]         }
[17:26:32.387]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:26:32.387]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:32.387]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:26:32.387]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:26:32.387]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:32.387]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:32.387]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:32.387]             base::names(...future.oldOptions))
[17:26:32.387]     }
[17:26:32.387]     if (FALSE) {
[17:26:32.387]     }
[17:26:32.387]     else {
[17:26:32.387]         if (TRUE) {
[17:26:32.387]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:32.387]                 open = "w")
[17:26:32.387]         }
[17:26:32.387]         else {
[17:26:32.387]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:32.387]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:32.387]         }
[17:26:32.387]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:32.387]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:32.387]             base::sink(type = "output", split = FALSE)
[17:26:32.387]             base::close(...future.stdout)
[17:26:32.387]         }, add = TRUE)
[17:26:32.387]     }
[17:26:32.387]     ...future.frame <- base::sys.nframe()
[17:26:32.387]     ...future.conditions <- base::list()
[17:26:32.387]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:32.387]     if (FALSE) {
[17:26:32.387]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:32.387]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:32.387]     }
[17:26:32.387]     ...future.result <- base::tryCatch({
[17:26:32.387]         base::withCallingHandlers({
[17:26:32.387]             ...future.value <- base::withVisible(base::local({
[17:26:32.387]                 42L
[17:26:32.387]             }))
[17:26:32.387]             future::FutureResult(value = ...future.value$value, 
[17:26:32.387]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:32.387]                   ...future.rng), globalenv = if (FALSE) 
[17:26:32.387]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:32.387]                     ...future.globalenv.names))
[17:26:32.387]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:32.387]         }, condition = base::local({
[17:26:32.387]             c <- base::c
[17:26:32.387]             inherits <- base::inherits
[17:26:32.387]             invokeRestart <- base::invokeRestart
[17:26:32.387]             length <- base::length
[17:26:32.387]             list <- base::list
[17:26:32.387]             seq.int <- base::seq.int
[17:26:32.387]             signalCondition <- base::signalCondition
[17:26:32.387]             sys.calls <- base::sys.calls
[17:26:32.387]             `[[` <- base::`[[`
[17:26:32.387]             `+` <- base::`+`
[17:26:32.387]             `<<-` <- base::`<<-`
[17:26:32.387]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:32.387]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:32.387]                   3L)]
[17:26:32.387]             }
[17:26:32.387]             function(cond) {
[17:26:32.387]                 is_error <- inherits(cond, "error")
[17:26:32.387]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:32.387]                   NULL)
[17:26:32.387]                 if (is_error) {
[17:26:32.387]                   sessionInformation <- function() {
[17:26:32.387]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:32.387]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:32.387]                       search = base::search(), system = base::Sys.info())
[17:26:32.387]                   }
[17:26:32.387]                   ...future.conditions[[length(...future.conditions) + 
[17:26:32.387]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:32.387]                     cond$call), session = sessionInformation(), 
[17:26:32.387]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:32.387]                   signalCondition(cond)
[17:26:32.387]                 }
[17:26:32.387]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:32.387]                 "immediateCondition"))) {
[17:26:32.387]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:32.387]                   ...future.conditions[[length(...future.conditions) + 
[17:26:32.387]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:32.387]                   if (TRUE && !signal) {
[17:26:32.387]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:32.387]                     {
[17:26:32.387]                       inherits <- base::inherits
[17:26:32.387]                       invokeRestart <- base::invokeRestart
[17:26:32.387]                       is.null <- base::is.null
[17:26:32.387]                       muffled <- FALSE
[17:26:32.387]                       if (inherits(cond, "message")) {
[17:26:32.387]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:32.387]                         if (muffled) 
[17:26:32.387]                           invokeRestart("muffleMessage")
[17:26:32.387]                       }
[17:26:32.387]                       else if (inherits(cond, "warning")) {
[17:26:32.387]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:32.387]                         if (muffled) 
[17:26:32.387]                           invokeRestart("muffleWarning")
[17:26:32.387]                       }
[17:26:32.387]                       else if (inherits(cond, "condition")) {
[17:26:32.387]                         if (!is.null(pattern)) {
[17:26:32.387]                           computeRestarts <- base::computeRestarts
[17:26:32.387]                           grepl <- base::grepl
[17:26:32.387]                           restarts <- computeRestarts(cond)
[17:26:32.387]                           for (restart in restarts) {
[17:26:32.387]                             name <- restart$name
[17:26:32.387]                             if (is.null(name)) 
[17:26:32.387]                               next
[17:26:32.387]                             if (!grepl(pattern, name)) 
[17:26:32.387]                               next
[17:26:32.387]                             invokeRestart(restart)
[17:26:32.387]                             muffled <- TRUE
[17:26:32.387]                             break
[17:26:32.387]                           }
[17:26:32.387]                         }
[17:26:32.387]                       }
[17:26:32.387]                       invisible(muffled)
[17:26:32.387]                     }
[17:26:32.387]                     muffleCondition(cond, pattern = "^muffle")
[17:26:32.387]                   }
[17:26:32.387]                 }
[17:26:32.387]                 else {
[17:26:32.387]                   if (TRUE) {
[17:26:32.387]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:32.387]                     {
[17:26:32.387]                       inherits <- base::inherits
[17:26:32.387]                       invokeRestart <- base::invokeRestart
[17:26:32.387]                       is.null <- base::is.null
[17:26:32.387]                       muffled <- FALSE
[17:26:32.387]                       if (inherits(cond, "message")) {
[17:26:32.387]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:32.387]                         if (muffled) 
[17:26:32.387]                           invokeRestart("muffleMessage")
[17:26:32.387]                       }
[17:26:32.387]                       else if (inherits(cond, "warning")) {
[17:26:32.387]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:32.387]                         if (muffled) 
[17:26:32.387]                           invokeRestart("muffleWarning")
[17:26:32.387]                       }
[17:26:32.387]                       else if (inherits(cond, "condition")) {
[17:26:32.387]                         if (!is.null(pattern)) {
[17:26:32.387]                           computeRestarts <- base::computeRestarts
[17:26:32.387]                           grepl <- base::grepl
[17:26:32.387]                           restarts <- computeRestarts(cond)
[17:26:32.387]                           for (restart in restarts) {
[17:26:32.387]                             name <- restart$name
[17:26:32.387]                             if (is.null(name)) 
[17:26:32.387]                               next
[17:26:32.387]                             if (!grepl(pattern, name)) 
[17:26:32.387]                               next
[17:26:32.387]                             invokeRestart(restart)
[17:26:32.387]                             muffled <- TRUE
[17:26:32.387]                             break
[17:26:32.387]                           }
[17:26:32.387]                         }
[17:26:32.387]                       }
[17:26:32.387]                       invisible(muffled)
[17:26:32.387]                     }
[17:26:32.387]                     muffleCondition(cond, pattern = "^muffle")
[17:26:32.387]                   }
[17:26:32.387]                 }
[17:26:32.387]             }
[17:26:32.387]         }))
[17:26:32.387]     }, error = function(ex) {
[17:26:32.387]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:32.387]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:32.387]                 ...future.rng), started = ...future.startTime, 
[17:26:32.387]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:32.387]             version = "1.8"), class = "FutureResult")
[17:26:32.387]     }, finally = {
[17:26:32.387]         if (!identical(...future.workdir, getwd())) 
[17:26:32.387]             setwd(...future.workdir)
[17:26:32.387]         {
[17:26:32.387]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:32.387]                 ...future.oldOptions$nwarnings <- NULL
[17:26:32.387]             }
[17:26:32.387]             base::options(...future.oldOptions)
[17:26:32.387]             if (.Platform$OS.type == "windows") {
[17:26:32.387]                 old_names <- names(...future.oldEnvVars)
[17:26:32.387]                 envs <- base::Sys.getenv()
[17:26:32.387]                 names <- names(envs)
[17:26:32.387]                 common <- intersect(names, old_names)
[17:26:32.387]                 added <- setdiff(names, old_names)
[17:26:32.387]                 removed <- setdiff(old_names, names)
[17:26:32.387]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:32.387]                   envs[common]]
[17:26:32.387]                 NAMES <- toupper(changed)
[17:26:32.387]                 args <- list()
[17:26:32.387]                 for (kk in seq_along(NAMES)) {
[17:26:32.387]                   name <- changed[[kk]]
[17:26:32.387]                   NAME <- NAMES[[kk]]
[17:26:32.387]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:32.387]                     next
[17:26:32.387]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:32.387]                 }
[17:26:32.387]                 NAMES <- toupper(added)
[17:26:32.387]                 for (kk in seq_along(NAMES)) {
[17:26:32.387]                   name <- added[[kk]]
[17:26:32.387]                   NAME <- NAMES[[kk]]
[17:26:32.387]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:32.387]                     next
[17:26:32.387]                   args[[name]] <- ""
[17:26:32.387]                 }
[17:26:32.387]                 NAMES <- toupper(removed)
[17:26:32.387]                 for (kk in seq_along(NAMES)) {
[17:26:32.387]                   name <- removed[[kk]]
[17:26:32.387]                   NAME <- NAMES[[kk]]
[17:26:32.387]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:32.387]                     next
[17:26:32.387]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:32.387]                 }
[17:26:32.387]                 if (length(args) > 0) 
[17:26:32.387]                   base::do.call(base::Sys.setenv, args = args)
[17:26:32.387]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:32.387]             }
[17:26:32.387]             else {
[17:26:32.387]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:32.387]             }
[17:26:32.387]             {
[17:26:32.387]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:32.387]                   0L) {
[17:26:32.387]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:32.387]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:32.387]                   base::options(opts)
[17:26:32.387]                 }
[17:26:32.387]                 {
[17:26:32.387]                   {
[17:26:32.387]                     NULL
[17:26:32.387]                     RNGkind("Mersenne-Twister")
[17:26:32.387]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:32.387]                       inherits = FALSE)
[17:26:32.387]                   }
[17:26:32.387]                   options(future.plan = NULL)
[17:26:32.387]                   if (is.na(NA_character_)) 
[17:26:32.387]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:32.387]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:32.387]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:32.387]                     .init = FALSE)
[17:26:32.387]                 }
[17:26:32.387]             }
[17:26:32.387]         }
[17:26:32.387]     })
[17:26:32.387]     if (TRUE) {
[17:26:32.387]         base::sink(type = "output", split = FALSE)
[17:26:32.387]         if (TRUE) {
[17:26:32.387]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:32.387]         }
[17:26:32.387]         else {
[17:26:32.387]             ...future.result["stdout"] <- base::list(NULL)
[17:26:32.387]         }
[17:26:32.387]         base::close(...future.stdout)
[17:26:32.387]         ...future.stdout <- NULL
[17:26:32.387]     }
[17:26:32.387]     ...future.result$conditions <- ...future.conditions
[17:26:32.387]     ...future.result$finished <- base::Sys.time()
[17:26:32.387]     ...future.result
[17:26:32.387] }
[17:26:32.391] plan(): Setting new future strategy stack:
[17:26:32.391] List of future strategies:
[17:26:32.391] 1. sequential:
[17:26:32.391]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:32.391]    - tweaked: FALSE
[17:26:32.391]    - call: NULL
[17:26:32.392] plan(): nbrOfWorkers() = 1
[17:26:32.393] plan(): Setting new future strategy stack:
[17:26:32.393] List of future strategies:
[17:26:32.393] 1. sequential:
[17:26:32.393]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:32.393]    - tweaked: FALSE
[17:26:32.393]    - call: future::plan("sequential")
[17:26:32.394] plan(): nbrOfWorkers() = 1
[17:26:32.394] SequentialFuture started (and completed)
[17:26:32.394] - Launch lazy future ... done
[17:26:32.395] run() for 'SequentialFuture' ... done
[17:26:32.395] - run() ... done
[17:26:32.395] - resolved() ...
[17:26:32.395] resolved() for 'SequentialFuture' ...
[17:26:32.395] - state: 'finished'
[17:26:32.395] - run: TRUE
[17:26:32.396] - result: 'FutureResult'
[17:26:32.396] resolved() for 'SequentialFuture' ... done
[17:26:32.396] - resolved: TRUE
[17:26:32.396] - resolved() ... done
[17:26:32.396] resolved() for 'SequentialFuture' ... done
[1] TRUE
> y <- value(f)
> print(y)
[1] 42
> stopifnot(y == 42L)
> 
> 
> message("*** future() w/ gc = TRUE ...")
*** future() w/ gc = TRUE ...
> 
> f <- future(42L, gc = TRUE, lazy = TRUE)
[17:26:32.397] getGlobalsAndPackages() ...
[17:26:32.397] Searching for globals...
[17:26:32.397] 
[17:26:32.398] Searching for globals ... DONE
[17:26:32.398] - globals: [0] <none>
[17:26:32.398] getGlobalsAndPackages() ... DONE
> print(f)
Future:
Label: '<none>'
Expression:
[1] 42
Lazy evaluation: TRUE
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: FALSE
Value: <not collected>
Conditions captured: <none>
Early signaling: FALSE
Owner process: dc87b2d9-0079-5309-11c8-7562b33a25df
Class: 'Future', 'environment'
> y <- value(f)
[17:26:32.399] run() for 'Future' ...
[17:26:32.399] - state: 'created'
[17:26:32.399] - Future backend: 'FutureStrategy', 'sequential', 'uniprocess', 'future', 'function'
[17:26:32.399] - Future class: 'SequentialFuture', 'UniprocessFuture', 'Future', 'environment'
[17:26:32.399] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ...
[17:26:32.400]   - Field: 'label'
[17:26:32.400]   - Field: 'local'
[17:26:32.400]   - Field: 'owner'
[17:26:32.400]   - Field: 'envir'
[17:26:32.400]   - Field: 'packages'
[17:26:32.401]   - Field: 'gc'
[17:26:32.401]   - Field: 'conditions'
[17:26:32.401]   - Field: 'expr'
[17:26:32.401]   - Field: 'uuid'
[17:26:32.401]   - Field: 'seed'
[17:26:32.401]   - Field: 'version'
[17:26:32.402]   - Field: 'result'
[17:26:32.402]   - Field: 'asynchronous'
[17:26:32.402]   - Field: 'calls'
[17:26:32.402]   - Field: 'globals'
[17:26:32.402]   - Field: 'stdout'
[17:26:32.402]   - Field: 'earlySignal'
[17:26:32.403]   - Field: 'lazy'
[17:26:32.403]   - Field: 'state'
[17:26:32.403] - Copy elements of temporary 'SequentialFuture' to final 'Future' object ... done
[17:26:32.403] - Launch lazy future ...
[17:26:32.403] Packages needed by the future expression (n = 0): <none>
[17:26:32.403] Packages needed by future strategies (n = 0): <none>
[17:26:32.404] {
[17:26:32.404]     {
[17:26:32.404]         {
[17:26:32.404]             ...future.startTime <- base::Sys.time()
[17:26:32.404]             {
[17:26:32.404]                 {
[17:26:32.404]                   {
[17:26:32.404]                     base::local({
[17:26:32.404]                       has_future <- base::requireNamespace("future", 
[17:26:32.404]                         quietly = TRUE)
[17:26:32.404]                       if (has_future) {
[17:26:32.404]                         ns <- base::getNamespace("future")
[17:26:32.404]                         version <- ns[[".package"]][["version"]]
[17:26:32.404]                         if (is.null(version)) 
[17:26:32.404]                           version <- utils::packageVersion("future")
[17:26:32.404]                       }
[17:26:32.404]                       else {
[17:26:32.404]                         version <- NULL
[17:26:32.404]                       }
[17:26:32.404]                       if (!has_future || version < "1.8.0") {
[17:26:32.404]                         info <- base::c(r_version = base::gsub("R version ", 
[17:26:32.404]                           "", base::R.version$version.string), 
[17:26:32.404]                           platform = base::sprintf("%s (%s-bit)", 
[17:26:32.404]                             base::R.version$platform, 8 * base::.Machine$sizeof.pointer), 
[17:26:32.404]                           os = base::paste(base::Sys.info()[base::c("sysname", 
[17:26:32.404]                             "release", "version")], collapse = " "), 
[17:26:32.404]                           hostname = base::Sys.info()[["nodename"]])
[17:26:32.404]                         info <- base::sprintf("%s: %s", base::names(info), 
[17:26:32.404]                           info)
[17:26:32.404]                         info <- base::paste(info, collapse = "; ")
[17:26:32.404]                         if (!has_future) {
[17:26:32.404]                           msg <- base::sprintf("Package 'future' is not installed on worker (%s)", 
[17:26:32.404]                             info)
[17:26:32.404]                         }
[17:26:32.404]                         else {
[17:26:32.404]                           msg <- base::sprintf("Package 'future' on worker (%s) must be of version >= 1.8.0: %s", 
[17:26:32.404]                             info, version)
[17:26:32.404]                         }
[17:26:32.404]                         base::stop(msg)
[17:26:32.404]                       }
[17:26:32.404]                     })
[17:26:32.404]                   }
[17:26:32.404]                   ...future.strategy.old <- future::plan("list")
[17:26:32.404]                   options(future.plan = NULL)
[17:26:32.404]                   Sys.unsetenv("R_FUTURE_PLAN")
[17:26:32.404]                   future::plan("default", .cleanup = FALSE, .init = FALSE)
[17:26:32.404]                 }
[17:26:32.404]                 ...future.workdir <- getwd()
[17:26:32.404]             }
[17:26:32.404]             ...future.oldOptions <- base::as.list(base::.Options)
[17:26:32.404]             ...future.oldEnvVars <- base::Sys.getenv()
[17:26:32.404]         }
[17:26:32.404]         base::options(future.startup.script = FALSE, future.globals.onMissing = NULL, 
[17:26:32.404]             future.globals.maxSize = NULL, future.globals.method = NULL, 
[17:26:32.404]             future.globals.onMissing = NULL, future.globals.onReference = NULL, 
[17:26:32.404]             future.globals.resolve = NULL, future.resolve.recursive = NULL, 
[17:26:32.404]             future.rng.onMisuse = NULL, future.rng.onMisuse.keepFuture = NULL, 
[17:26:32.404]             future.stdout.windows.reencode = NULL, width = 80L)
[17:26:32.404]         ...future.futureOptionsAdded <- base::setdiff(base::names(base::.Options), 
[17:26:32.404]             base::names(...future.oldOptions))
[17:26:32.404]     }
[17:26:32.404]     if (FALSE) {
[17:26:32.404]     }
[17:26:32.404]     else {
[17:26:32.404]         if (TRUE) {
[17:26:32.404]             ...future.stdout <- base::rawConnection(base::raw(0L), 
[17:26:32.404]                 open = "w")
[17:26:32.404]         }
[17:26:32.404]         else {
[17:26:32.404]             ...future.stdout <- base::file(base::switch(.Platform$OS.type, 
[17:26:32.404]                 windows = "NUL", "/dev/null"), open = "w")
[17:26:32.404]         }
[17:26:32.404]         base::sink(...future.stdout, type = "output", split = FALSE)
[17:26:32.404]         base::on.exit(if (!base::is.null(...future.stdout)) {
[17:26:32.404]             base::sink(type = "output", split = FALSE)
[17:26:32.404]             base::close(...future.stdout)
[17:26:32.404]         }, add = TRUE)
[17:26:32.404]     }
[17:26:32.404]     ...future.frame <- base::sys.nframe()
[17:26:32.404]     ...future.conditions <- base::list()
[17:26:32.404]     ...future.rng <- base::globalenv()$.Random.seed
[17:26:32.404]     if (FALSE) {
[17:26:32.404]         ...future.globalenv.names <- c(base::names(base::.GlobalEnv), 
[17:26:32.404]             "...future.value", "...future.globalenv.names", ".Random.seed")
[17:26:32.404]     }
[17:26:32.404]     ...future.result <- base::tryCatch({
[17:26:32.404]         base::withCallingHandlers({
[17:26:32.404]             ...future.value <- base::withVisible(base::local(42L))
[17:26:32.404]             future::FutureResult(value = ...future.value$value, 
[17:26:32.404]                 visible = ...future.value$visible, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:32.404]                   ...future.rng), globalenv = if (FALSE) 
[17:26:32.404]                   list(added = base::setdiff(base::names(base::.GlobalEnv), 
[17:26:32.404]                     ...future.globalenv.names))
[17:26:32.404]                 else NULL, started = ...future.startTime, version = "1.8")
[17:26:32.404]         }, condition = base::local({
[17:26:32.404]             c <- base::c
[17:26:32.404]             inherits <- base::inherits
[17:26:32.404]             invokeRestart <- base::invokeRestart
[17:26:32.404]             length <- base::length
[17:26:32.404]             list <- base::list
[17:26:32.404]             seq.int <- base::seq.int
[17:26:32.404]             signalCondition <- base::signalCondition
[17:26:32.404]             sys.calls <- base::sys.calls
[17:26:32.404]             `[[` <- base::`[[`
[17:26:32.404]             `+` <- base::`+`
[17:26:32.404]             `<<-` <- base::`<<-`
[17:26:32.404]             sysCalls <- function(calls = sys.calls(), from = 1L) {
[17:26:32.404]                 calls[seq.int(from = from + 12L, to = length(calls) - 
[17:26:32.404]                   3L)]
[17:26:32.404]             }
[17:26:32.404]             function(cond) {
[17:26:32.404]                 is_error <- inherits(cond, "error")
[17:26:32.404]                 ignore <- !is_error && !is.null(NULL) && inherits(cond, 
[17:26:32.404]                   NULL)
[17:26:32.404]                 if (is_error) {
[17:26:32.404]                   sessionInformation <- function() {
[17:26:32.404]                     list(r = base::R.Version(), locale = base::Sys.getlocale(), 
[17:26:32.404]                       rngkind = base::RNGkind(), namespaces = base::loadedNamespaces(), 
[17:26:32.404]                       search = base::search(), system = base::Sys.info())
[17:26:32.404]                   }
[17:26:32.404]                   ...future.conditions[[length(...future.conditions) + 
[17:26:32.404]                     1L]] <<- list(condition = cond, calls = c(sysCalls(from = ...future.frame), 
[17:26:32.404]                     cond$call), session = sessionInformation(), 
[17:26:32.404]                     timestamp = base::Sys.time(), signaled = 0L)
[17:26:32.404]                   signalCondition(cond)
[17:26:32.404]                 }
[17:26:32.404]                 else if (!ignore && TRUE && inherits(cond, c("condition", 
[17:26:32.404]                 "immediateCondition"))) {
[17:26:32.404]                   signal <- TRUE && inherits(cond, "immediateCondition")
[17:26:32.404]                   ...future.conditions[[length(...future.conditions) + 
[17:26:32.404]                     1L]] <<- list(condition = cond, signaled = base::as.integer(signal))
[17:26:32.404]                   if (TRUE && !signal) {
[17:26:32.404]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:32.404]                     {
[17:26:32.404]                       inherits <- base::inherits
[17:26:32.404]                       invokeRestart <- base::invokeRestart
[17:26:32.404]                       is.null <- base::is.null
[17:26:32.404]                       muffled <- FALSE
[17:26:32.404]                       if (inherits(cond, "message")) {
[17:26:32.404]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:32.404]                         if (muffled) 
[17:26:32.404]                           invokeRestart("muffleMessage")
[17:26:32.404]                       }
[17:26:32.404]                       else if (inherits(cond, "warning")) {
[17:26:32.404]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:32.404]                         if (muffled) 
[17:26:32.404]                           invokeRestart("muffleWarning")
[17:26:32.404]                       }
[17:26:32.404]                       else if (inherits(cond, "condition")) {
[17:26:32.404]                         if (!is.null(pattern)) {
[17:26:32.404]                           computeRestarts <- base::computeRestarts
[17:26:32.404]                           grepl <- base::grepl
[17:26:32.404]                           restarts <- computeRestarts(cond)
[17:26:32.404]                           for (restart in restarts) {
[17:26:32.404]                             name <- restart$name
[17:26:32.404]                             if (is.null(name)) 
[17:26:32.404]                               next
[17:26:32.404]                             if (!grepl(pattern, name)) 
[17:26:32.404]                               next
[17:26:32.404]                             invokeRestart(restart)
[17:26:32.404]                             muffled <- TRUE
[17:26:32.404]                             break
[17:26:32.404]                           }
[17:26:32.404]                         }
[17:26:32.404]                       }
[17:26:32.404]                       invisible(muffled)
[17:26:32.404]                     }
[17:26:32.404]                     muffleCondition(cond, pattern = "^muffle")
[17:26:32.404]                   }
[17:26:32.404]                 }
[17:26:32.404]                 else {
[17:26:32.404]                   if (TRUE) {
[17:26:32.404]                     muffleCondition <- function (cond, pattern = "^muffle") 
[17:26:32.404]                     {
[17:26:32.404]                       inherits <- base::inherits
[17:26:32.404]                       invokeRestart <- base::invokeRestart
[17:26:32.404]                       is.null <- base::is.null
[17:26:32.404]                       muffled <- FALSE
[17:26:32.404]                       if (inherits(cond, "message")) {
[17:26:32.404]                         muffled <- grepl(pattern, "muffleMessage")
[17:26:32.404]                         if (muffled) 
[17:26:32.404]                           invokeRestart("muffleMessage")
[17:26:32.404]                       }
[17:26:32.404]                       else if (inherits(cond, "warning")) {
[17:26:32.404]                         muffled <- grepl(pattern, "muffleWarning")
[17:26:32.404]                         if (muffled) 
[17:26:32.404]                           invokeRestart("muffleWarning")
[17:26:32.404]                       }
[17:26:32.404]                       else if (inherits(cond, "condition")) {
[17:26:32.404]                         if (!is.null(pattern)) {
[17:26:32.404]                           computeRestarts <- base::computeRestarts
[17:26:32.404]                           grepl <- base::grepl
[17:26:32.404]                           restarts <- computeRestarts(cond)
[17:26:32.404]                           for (restart in restarts) {
[17:26:32.404]                             name <- restart$name
[17:26:32.404]                             if (is.null(name)) 
[17:26:32.404]                               next
[17:26:32.404]                             if (!grepl(pattern, name)) 
[17:26:32.404]                               next
[17:26:32.404]                             invokeRestart(restart)
[17:26:32.404]                             muffled <- TRUE
[17:26:32.404]                             break
[17:26:32.404]                           }
[17:26:32.404]                         }
[17:26:32.404]                       }
[17:26:32.404]                       invisible(muffled)
[17:26:32.404]                     }
[17:26:32.404]                     muffleCondition(cond, pattern = "^muffle")
[17:26:32.404]                   }
[17:26:32.404]                 }
[17:26:32.404]             }
[17:26:32.404]         }))
[17:26:32.404]     }, error = function(ex) {
[17:26:32.404]         base::structure(base::list(value = NULL, visible = NULL, 
[17:26:32.404]             conditions = ...future.conditions, rng = !identical(base::globalenv()$.Random.seed, 
[17:26:32.404]                 ...future.rng), started = ...future.startTime, 
[17:26:32.404]             finished = Sys.time(), session_uuid = NA_character_, 
[17:26:32.404]             version = "1.8"), class = "FutureResult")
[17:26:32.404]     }, finally = {
[17:26:32.404]         if (!identical(...future.workdir, getwd())) 
[17:26:32.404]             setwd(...future.workdir)
[17:26:32.404]         {
[17:26:32.404]             if (identical(getOption("nwarnings"), ...future.oldOptions$nwarnings)) {
[17:26:32.404]                 ...future.oldOptions$nwarnings <- NULL
[17:26:32.404]             }
[17:26:32.404]             base::options(...future.oldOptions)
[17:26:32.404]             if (.Platform$OS.type == "windows") {
[17:26:32.404]                 old_names <- names(...future.oldEnvVars)
[17:26:32.404]                 envs <- base::Sys.getenv()
[17:26:32.404]                 names <- names(envs)
[17:26:32.404]                 common <- intersect(names, old_names)
[17:26:32.404]                 added <- setdiff(names, old_names)
[17:26:32.404]                 removed <- setdiff(old_names, names)
[17:26:32.404]                 changed <- common[...future.oldEnvVars[common] != 
[17:26:32.404]                   envs[common]]
[17:26:32.404]                 NAMES <- toupper(changed)
[17:26:32.404]                 args <- list()
[17:26:32.404]                 for (kk in seq_along(NAMES)) {
[17:26:32.404]                   name <- changed[[kk]]
[17:26:32.404]                   NAME <- NAMES[[kk]]
[17:26:32.404]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:32.404]                     next
[17:26:32.404]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:32.404]                 }
[17:26:32.404]                 NAMES <- toupper(added)
[17:26:32.404]                 for (kk in seq_along(NAMES)) {
[17:26:32.404]                   name <- added[[kk]]
[17:26:32.404]                   NAME <- NAMES[[kk]]
[17:26:32.404]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:32.404]                     next
[17:26:32.404]                   args[[name]] <- ""
[17:26:32.404]                 }
[17:26:32.404]                 NAMES <- toupper(removed)
[17:26:32.404]                 for (kk in seq_along(NAMES)) {
[17:26:32.404]                   name <- removed[[kk]]
[17:26:32.404]                   NAME <- NAMES[[kk]]
[17:26:32.404]                   if (name != NAME && is.element(NAME, old_names)) 
[17:26:32.404]                     next
[17:26:32.404]                   args[[name]] <- ...future.oldEnvVars[[name]]
[17:26:32.404]                 }
[17:26:32.404]                 if (length(args) > 0) 
[17:26:32.404]                   base::do.call(base::Sys.setenv, args = args)
[17:26:32.404]                 args <- names <- old_names <- NAMES <- envs <- common <- added <- removed <- NULL
[17:26:32.404]             }
[17:26:32.404]             else {
[17:26:32.404]                 base::do.call(base::Sys.setenv, args = base::as.list(...future.oldEnvVars))
[17:26:32.404]             }
[17:26:32.404]             {
[17:26:32.404]                 if (base::length(...future.futureOptionsAdded) > 
[17:26:32.404]                   0L) {
[17:26:32.404]                   opts <- base::vector("list", length = base::length(...future.futureOptionsAdded))
[17:26:32.404]                   base::names(opts) <- ...future.futureOptionsAdded
[17:26:32.404]                   base::options(opts)
[17:26:32.404]                 }
[17:26:32.404]                 {
[17:26:32.404]                   {
[17:26:32.404]                     NULL
[17:26:32.404]                     RNGkind("Mersenne-Twister")
[17:26:32.404]                     base::rm(list = ".Random.seed", envir = base::globalenv(), 
[17:26:32.404]                       inherits = FALSE)
[17:26:32.404]                   }
[17:26:32.404]                   options(future.plan = NULL)
[17:26:32.404]                   if (is.na(NA_character_)) 
[17:26:32.404]                     Sys.unsetenv("R_FUTURE_PLAN")
[17:26:32.404]                   else Sys.setenv(R_FUTURE_PLAN = NA_character_)
[17:26:32.404]                   future::plan(...future.strategy.old, .cleanup = FALSE, 
[17:26:32.404]                     .init = FALSE)
[17:26:32.404]                 }
[17:26:32.404]             }
[17:26:32.404]         }
[17:26:32.404]     })
[17:26:32.404]     if (TRUE) {
[17:26:32.404]         base::sink(type = "output", split = FALSE)
[17:26:32.404]         if (TRUE) {
[17:26:32.404]             ...future.result$stdout <- base::rawToChar(base::rawConnectionValue(...future.stdout))
[17:26:32.404]         }
[17:26:32.404]         else {
[17:26:32.404]             ...future.result["stdout"] <- base::list(NULL)
[17:26:32.404]         }
[17:26:32.404]         base::close(...future.stdout)
[17:26:32.404]         ...future.stdout <- NULL
[17:26:32.404]     }
[17:26:32.404]     ...future.result$conditions <- ...future.conditions
[17:26:32.404]     ...future.result$finished <- base::Sys.time()
[17:26:32.404]     ...future.result
[17:26:32.404] }
[17:26:32.408] plan(): Setting new future strategy stack:
[17:26:32.408] List of future strategies:
[17:26:32.408] 1. sequential:
[17:26:32.408]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:32.408]    - tweaked: FALSE
[17:26:32.408]    - call: NULL
[17:26:32.409] plan(): nbrOfWorkers() = 1
[17:26:32.410] plan(): Setting new future strategy stack:
[17:26:32.410] List of future strategies:
[17:26:32.410] 1. sequential:
[17:26:32.410]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:32.410]    - tweaked: FALSE
[17:26:32.410]    - call: future::plan("sequential")
[17:26:32.411] plan(): nbrOfWorkers() = 1
[17:26:32.411] SequentialFuture started (and completed)
[17:26:32.411] - Launch lazy future ... done
[17:26:32.411] run() for 'SequentialFuture' ... done
> print(y)
[1] 42
> stopifnot(y == 42L)
> 
> message("*** future() w/ gc = TRUE ... DONE")
*** future() w/ gc = TRUE ... DONE
> 
> 
> message("*** future() - exceptions ...")
*** future() - exceptions ...
> 
> target <- list(name = "<unknown>", envir = new.env(), code = "Yo!", exists = TRUE)
> res <- tryCatch(get_future(target, mustExist = TRUE), error = identity)
[17:26:32.412] ERROR: Future ('<unknown>') not found in environment '<noname>': 'Yo!'
> stopifnot(inherits(res, "error"))
> 
> message("*** future() - exceptions ... DONE")
*** future() - exceptions ... DONE
> 
> message("*** future() ... DONE")
*** future() ... DONE
> 
> source("incl/end.R")
[17:26:32.413] plan(): Setting new future strategy stack:
[17:26:32.413] List of future strategies:
[17:26:32.413] 1. FutureStrategy:
[17:26:32.413]    - args: function (..., envir = parent.frame(), workers = "<NULL>")
[17:26:32.413]    - tweaked: FALSE
[17:26:32.413]    - call: future::plan(oplan)
[17:26:32.427] plan(): nbrOfWorkers() = 1
Failed to undo environment variables:
 - Expected environment variables: [n=204] '!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', 'OCL', 'OMP_THREAD_LIMIT', 'OS', 'PATH', 'PATHEXT', 'PROCESSOR_ARCHITECTURE', 'PROCESSOR_IDENTIFIER', 'PROCESSOR_LEVEL', 'PROCESSOR_REVISION', 'PROGRAMFILES', 'PROMPT', 'PSModulePath', 'PUBLIC', 'PWD', 'ProgramData', 'ProgramFiles(x86)', 'ProgramW6432', 'RTOOLS43_HOME', 'RTOOLS44_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_RTOOLS44_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_MBCS_CONVERSION_FAILURE_', '_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_NOTE_LOST_BRACES_', '_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_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_DEPRECATED_IS_R_', '_R_S3_METHOD_LOOKUP_BASEENV_AFTER_GLOBALENV_', '_R_SHLIB_BUILD_OBJECTS_SYMBOL_TABLES_', '__R_CHECK_DOC_FILES_NOTE_IF_ALL_SPECIAL__', '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    0.06    0.37