Running 'testthat.R' [43s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(sperrorest)
  > 
  > test_check("sperrorest")
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.7/backports_1.1.4.zip'
  Content type 'application/zip' length 66791 bytes (65 KB)
  ==================================================
  downloaded 65 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.7/zeallot_0.1.0.zip'
  Content type 'application/zip' length 62201 bytes (60 KB)
  ==================================================
  downloaded 60 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.7/utf8_1.1.4.zip'
  Content type 'application/zip' length 215405 bytes (210 KB)
  ==================================================
  downloaded 210 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.7/vctrs_0.1.0.zip'
  Content type 'application/zip' length 621715 bytes (607 KB)
  ================================================
  downloaded 588 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.7/fansi_0.4.0.zip'
  Content type 'application/zip' length 221513 bytes (216 KB)
  ==================================================
  downloaded 216 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.7/pillar_1.4.0.zip'
  Content type 'application/zip' length 181034 bytes (176 KB)
  ==================================================
  downloaded 176 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.7/pkgconfig_2.0.2.zip'
  Content type 'application/zip' length 22304 bytes (21 KB)
  ==================================================
  downloaded 21 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.7/tibble_2.1.1.zip'
  Content type 'application/zip' length 338355 bytes (330 KB)
  ==================================================
  downloaded 330 KB
  
  package 'backports' successfully unpacked and MD5 sums checked
  package 'zeallot' successfully unpacked and MD5 sums checked
  package 'utf8' successfully unpacked and MD5 sums checked
  -- 1. Error: (unknown) (@test-processing.R#3)  ---------------------------------
  cannot open the connection
  1: pacman::p_load(sperrorest, rpart, MASS, tibble, purrr) at testthat/test-processing.R:3
  2: sapply(packages, p_load_single, install = install)
  3: lapply(X = X, FUN = FUN, ...)
  4: FUN(X[[i]], ...)
  5: p_install(package, character.only = TRUE, ...)
  6: withCallingHandlers(utils::install.packages(package, ...), warning = function(w) {
         if (grepl("package.*is not available", w$message)) {
             assign("try_bioc_p", TRUE, envir = bioconductor_env)
         }
     })
  7: utils::install.packages(package, ...)
  8: .install.winbinary(pkgs = bins, lib = lib, contriburl = contrib.url(repos, type2), 
         method = method, available = av2, destdir = destdir, dependencies = NULL, libs_only = libs_only, 
         quiet = quiet, ...)
  9: unpackPkgZip(foundpkgs[okp, 2L], foundpkgs[okp, 1L], lib, libs_only, lock)
  10: read.dcf(file.path(pkgname, "DESCRIPTION"), c("Package", "Type"))
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.7/e1071_1.7-1.zip'
  Content type 'application/zip' length 1019839 bytes (995 KB)
  ==================================================
  downloaded 995 KB
  
  package 'e1071' successfully unpacked and MD5 sums checked
  
  The downloaded binary packages are in
  	D:\temp\RtmpyEAPto\downloaded_packages
  == testthat results  ===========================================================
  OK: 4 SKIPPED: 48 WARNINGS: 12 FAILED: 1
  1. Error: (unknown) (@test-processing.R#3) 
  
  Error: testthat unit tests failed
  Execution halted