payload: {"action":"closed","issue":{"url":"https://api.github.com/repos/rwinlib/base/issues/20","repository_url":"https://api.github.com/repos/rwinlib/base","labels_url":"https://api.github.com/repos/rwinlib/base/issues/20/labels{/name}","comments_url":"https://api.github.com/repos/rwinlib/base/issues/20/comments","events_url":"https://api.github.com/repos/rwinlib/base/issues/20/events","html_url":"https://github.com/rwinlib/base/issues/20","id":491349117,"node_id":"MDU6SXNzdWU0OTEzNDkxMTc=","number":20,"title":"parallel::makeCluster() freezes in R-3.5.1 but runs fine in R-3.6.0","user":{"login":"leungi","id":30273868,"node_id":"MDQ6VXNlcjMwMjczODY4","avatar_url":"https://avatars0.githubusercontent.com/u/30273868?v=4","gravatar_id":"","url":"https://api.github.com/users/leungi","html_url":"https://github.com/leungi","followers_url":"https://api.github.com/users/leungi/followers","following_url":"https://api.github.com/users/leungi/following{/other_user}","gists_url":"https://api.github.com/users/leungi/gists{/gist_id}","starred_url":"https://api.github.com/users/leungi/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/leungi/subscriptions","organizations_url":"https://api.github.com/users/leungi/orgs","repos_url":"https://api.github.com/users/leungi/repos","events_url":"https://api.github.com/users/leungi/events{/privacy}","received_events_url":"https://api.github.com/users/leungi/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2019-09-09T22:04:14Z","updated_at":"2019-09-10T12:48:27Z","closed_at":"2019-09-10T12:48:27Z","author_association":"NONE","body":"The following freezes in R-3.5.1 but runs fine in R-3.6.0.\r\n\r\n```r\r\ncl <- parallel::makeCluster(getOption(\"cl.cores\", 2))\r\n```\r\n\r\n**System Info**\r\n``` r\r\nsessioninfo::platform_info(); sessioninfo::session_info()\r\n#>  setting  value                       \r\n#>  version  R version 3.5.1 (2018-07-02)\r\n#>  os       Windows 10 x64              \r\n#>  system   x86_64, mingw32             \r\n#>  ui       RTerm                       \r\n#>  language (EN)                        \r\n#>  collate  English_United States.1252  \r\n#>  ctype    English_United States.1252  \r\n#>  tz       America/Chicago             \r\n#>  date     2019-09-09\r\n#> - Session info ----------------------------------------------------------\r\n#>  setting  value                       \r\n#>  version  R version 3.5.1 (2018-07-02)\r\n#>  os       Windows 10 x64              \r\n#>  system   x86_64, mingw32             \r\n#>  ui       RTerm                       \r\n#>  language (EN)                        \r\n#>  collate  English_United States.1252  \r\n#>  ctype    English_United States.1252  \r\n#>  tz       America/Chicago             \r\n#>  date     2019-09-09                  \r\n#> \r\n#> - Packages --------------------------------------------------------------\r\n#>  package     * version    date       lib source                        \r\n#>  assertthat    0.2.1      2019-03-21 [1] CRAN (R 3.5.3)                \r\n#>  cli           1.1.0      2019-03-19 [1] CRAN (R 3.5.3)                \r\n#>  crayon        1.3.4      2017-09-16 [1] CRAN (R 3.5.3)                \r\n#>  digest        0.6.20     2019-07-04 [1] CRAN (R 3.5.1)                \r\n#>  evaluate      0.14       2019-05-28 [1] CRAN (R 3.5.1)                \r\n#>  highr         0.8        2019-03-20 [1] CRAN (R 3.5.3)                \r\n#>  htmltools     0.3.6      2017-04-28 [1] CRAN (R 3.5.3)                \r\n#>  knitr         1.24.4     2019-09-02 [1] Github (yihui/knitr@52edc22)  \r\n#>  magrittr      1.5        2014-11-22 [1] CRAN (R 3.5.1)                \r\n#>  Rcpp          1.0.2.1    2019-08-14 [1] Github (RcppCore/Rcpp@1789f09)\r\n#>  rmarkdown     1.15       2019-08-21 [1] CRAN (R 3.5.3)                \r\n#>  sessioninfo   1.1.1      2018-11-05 [1] CRAN (R 3.5.1)                \r\n#>  stringi       1.4.3      2019-03-12 [1] CRAN (R 3.5.3)                \r\n#>  stringr       1.4.0      2019-02-10 [1] CRAN (R 3.5.3)                \r\n#>  withr         2.1.2.9000 2019-08-17 [1] Github (r-lib/withr@bd39098)  \r\n#>  xfun          0.9        2019-08-21 [1] CRAN (R 3.5.3)                \r\n#>  yaml          2.2.0      2018-07-25 [1] CRAN (R 3.5.1)                \r\n#> \r\n#> [1] C:/Users/Public/Data/R/R-3.5.1/library\r\n```\r\n\r\n<sup>Created on 2019-09-09 by the [reprex package](https://reprex.tidyverse.org) (v0.2.1)</sup>\r\n\r\n\r\n"}}
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