Running 'ggplot_extraction.R'
  Running 'trackr-tests.R'
Running the tests in 'tests/trackr-tests.R' failed.
Complete output:
  > library(trackr)
  Loading required package: histry
  > library(knitr)
  > be = JSONBackend(tempfile())
  > tdb = TrackrDB(backend=be, img_dir = tempdir())
  > defaultTDB(tdb)
  An object of class "TrackrDB"
  Slot "opts":
  An object of class "TrackrOptions"
  Slot "insert_delay":
  [1] 0
  
  Slot "img_dir":
  [1] "C:\\msys64\\home\\tomas\\ucrt3\\svn\\ucrt3\\r_packages\\pkgcheck\\CRAN\\trackr\\tmp\\Rtmp4yhxs2"
  
  Slot "img_ext":
  [1] "png"
  
  Slot "backend_opts":
  list()
  
  
  Slot "backend":
  Reference class object of class "JSONBackend"
  Field "docs":
  DocList (0x0)
  Field ".file":
  [1] "C:\\msys64\\home\\tomas\\ucrt3\\svn\\ucrt3\\r_packages\\pkgcheck\\CRAN\\trackr\\tmp\\Rtmp4yhxs2\\fileefcc3a906cb2"
  Field "file":
  [1] "C:\\msys64\\home\\tomas\\ucrt3\\svn\\ucrt3\\r_packages\\pkgcheck\\CRAN\\trackr\\tmp\\Rtmp4yhxs2\\fileefcc3a906cb2"
  
  > recs = 0
  > sysfil = system.file("test_docs/knitr_test.Rmd", package = "trackr")
  > rmdfil = file.path(tempdir(), "knitr_test.Rmd")
  > file.copy(sysfil, rmdfil)
  [1] TRUE
  > if(rmarkdown::pandoc_available()) {
  +     knit_and_record(rmdfil, verbose = TRUE)
  +     stopifnot(length(findRecords("mtcars")) == 2) ## recvars is 'fit' so that plus report
  +     recs = recs + 2
  + } else {
  +     message("Pandoc not available. Skipping knit_and_record test")
  + }
  Pandoc not available. Skipping knit_and_record test
  > 
  > f = function(paths) readLines(paths)
  > fil = system.file("test_docs", "knitr_test.Rmd", package = "trackr")
  > recordFiles(fil, ingestfun = f, verbose = TRUE)
  Error in file(con, "r") : cannot open the connection
  Calls: recordFiles -> eval -> eval -> eval -> f -> readLines -> file
  In addition: Warning message:
  In file(con, "r") :
    cannot open file 'C:\msys64\home\tomas\ucrt3\svn\ucrt3\r_packages\pkgcheck\CRAN\trackr\tmp\Rtmp4yhxs2/rawfiles.zip': No such file or directory
  Execution halted