Running ‘000.sessionDetails.R’ [0s/0s]
  Running ‘ClusterRegistry.R’ [1s/3s]
  Running ‘Future-class.R’ [1s/1s]
  Running ‘FutureError.R’ [1s/1s]
  Running ‘FutureGlobals.R’ [0s/0s]
  Running ‘FutureRegistry.R’ [5s/5s]
  Running ‘as.cluster.R’ [1s/1s]
  Running ‘availableCores.R’ [0s/0s]
  Running ‘availableWorkers.R’ [1s/1s]
  Running ‘backtrace.R’ [1s/1s]
  Running ‘cluster-missing-future-pkg.R’ [1s/2s]
  Running ‘cluster.R’ [7s/14s]
  Running ‘constant.R’ [0s/0s]
  Running ‘demo.R’ [6s/7s]
  Running ‘dotdotdot.R’ [6s/6s]
  Running ‘early-signaling.R’ [1s/6s]
  Running ‘future,labels.R’ [6s/6s]
  Running ‘future.R’ [5s/5s]
  Running ‘futureAssign.R’ [6s/7s]
  Running ‘futureAssign_OP.R’ [7s/8s]
  Running ‘futureAssign_OP_with_environment.R’ [5s/5s]
  Running ‘futureAssign_OP_with_listenv.R’ [5s/5s]
  Running ‘futureCall.R’ [7s/8s]
  Running ‘futureOf.R’ [5s/5s]
  Running ‘futureOf_with_environment.R’ [5s/5s]
  Running ‘futureOf_with_listenv.R’ [5s/5s]
  Running ‘futures.R’ [8s/132s]
Running the tests in ‘tests/futures.R’ failed.
Last 13 lines of output:
  - args: function (expr, envir = parent.frame(), substitute = TRUE, lazy = FALSE, seed = NULL, globals = TRUE, persistent = FALSE, workers = availableWorkers(), user = NULL, revtunnel = TRUE, homogeneous = TRUE, gc = FALSE, earlySignal = FALSE, label = NULL, ...)
  - tweaked: FALSE
  - call: plan(strategy)
  Workers: [n = 1] 'localhost'
  Base port: 11397
  Creating node 1 of 1 ...
  - setting up node
  Starting worker #1 on 'localhost': '/Library/Frameworks/R.framework/Resources/bin/Rscript' --default-packages=datasets,utils,grDevices,graphics,stats,methods -e 'parallel:::.slaveRSOCK()' MASTER=localhost PORT=11397 OUT=/dev/null TIMEOUT=120 XDR=TRUE
  Waiting for worker #1 on 'localhost' to connect back
  Warning in socketConnection("localhost", port = port, server = TRUE, blocking = TRUE,  :
    problem in listening on this socket
  Error in socketConnection("localhost", port = port, server = TRUE, blocking = TRUE,  : 
    cannot open the connection
  Calls: plan ... makeClusterPSOCK -> makeNode -> <Anonymous> -> socketConnection
  Execution halted