Found the following significant warnings:
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmpO2cP6c/RLIBS_1a65c293310b2/oceanmap/test_files', resetting