Found the following significant warnings:
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting
  Warning: working directory was changed to 'D:/temp/RtmporQ7MX/RLIBS_32c7c26842359/oceanmap/test_files', resetting