Running 'testthat.R' [46s]
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/3.6/utf8_1.1.4.zip'
  Content type 'application/zip' length 215378 bytes (210 KB)
  ==================================================
  downloaded 210 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.6/vctrs_0.2.2.zip'
  Content type 'application/zip' length 944451 bytes (922 KB)
  ==================================================
  downloaded 922 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.6/pillar_1.4.3.zip'
  Content type 'application/zip' length 184694 bytes (180 KB)
  ==================================================
  downloaded 180 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.6/pkgconfig_2.0.3.zip'
  Content type 'application/zip' length 22176 bytes (21 KB)
  ==================================================
  downloaded 21 KB
  
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.6/tibble_2.1.3.zip'
  Content type 'application/zip' length 336957 bytes (329 KB)
  ==================================================
  downloaded 329 KB
  
  package 'utf8' successfully unpacked and MD5 sums checked
  package 'vctrs' successfully unpacked and MD5 sums checked
  package 'pillar' successfully unpacked and MD5 sums checked
  package 'pkgconfig' successfully unpacked and MD5 sums checked
  package 'tibble' successfully unpacked and MD5 sums checked
  
  The downloaded binary packages are in
  	D:\temp\Rtmp4qoem1\downloaded_packages
  trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.6/e1071_1.7-3.zip'
  Content type 'application/zip' length 1022835 bytes (998 KB)
  =======================================
  downloaded 780 KB
  
  -- 1. Error: (unknown) (@test-sperrorest.R#5)  ---------------------------------
  cannot open the connection
  Backtrace:
    1. pacman::p_load(...)
    2. base::sapply(packages, p_load_single, install = install)
    3. base::lapply(X = X, FUN = FUN, ...)
    4. pacman:::FUN(X[[i]], ...)
    5. pacman::p_install(package, character.only = TRUE, ...)
    7. utils::install.packages(package, ...)
    8. utils:::.install.winbinary(...)
    9. utils:::unpackPkgZip(...)
   10. base::read.dcf(...)
  
  == testthat results  ===========================================================
  [ OK: 4 | SKIPPED: 33 | WARNINGS: 5 | FAILED: 1 ]
  1. Error: (unknown) (@test-sperrorest.R#5) 
  
  Error: testthat unit tests failed
  Execution halted