Error(s) in re-building vignettes:
  ...
--- re-building ‘sftrack1_overview.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/sftrack.Rcheck/vign_test/sftrack/vignettes/sftrack1_overview_files/figure-html/sftrack-overview-1.png
576x403 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 31276 bytes
Input file size = 31390 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 25679
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 25679

Output IDAT size = 25679 bytes (5597 bytes decrease)
Output file size = 25757 bytes (5633 bytes = 17.95% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/sftrack.Rcheck/vign_test/sftrack/vignettes/sftrack1_overview_files/figure-html/sftraj-overview-1.png
576x403 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 44401 bytes
Input file size = 44539 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 38125
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 38125

Output IDAT size = 38125 bytes (6276 bytes decrease)
Output file size = 38203 bytes (6336 bytes = 14.23% decrease)

--- finished re-building ‘sftrack1_overview.Rmd’

--- re-building ‘sftrack2_reading.Rmd’ using rmarkdown
--- finished re-building ‘sftrack2_reading.Rmd’

--- re-building ‘sftrack3_workingwith.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/sftrack.Rcheck/vign_test/sftrack/vignettes/sftrack3_workingwith_files/figure-html/unnamed-chunk-9-1.png
576x403 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 48343 bytes
Input file size = 48481 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 41147
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 41147

Output IDAT size = 41147 bytes (7196 bytes decrease)
Output file size = 41225 bytes (7256 bytes = 14.97% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/sftrack.Rcheck/vign_test/sftrack/vignettes/sftrack3_workingwith_files/figure-html/unnamed-chunk-9-2.png
576x403 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 17245 bytes
Input file size = 17347 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 15463
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 15463

Output IDAT size = 15463 bytes (1782 bytes decrease)
Output file size = 15541 bytes (1806 bytes = 10.41% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/sftrack.Rcheck/vign_test/sftrack/vignettes/sftrack3_workingwith_files/figure-html/unnamed-chunk-9-3.png
576x403 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 22364 bytes
Input file size = 22466 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 20101
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 20101

Output IDAT size = 20101 bytes (2263 bytes decrease)
Output file size = 20179 bytes (2287 bytes = 10.18% decrease)

--- finished re-building ‘sftrack3_workingwith.Rmd’

--- re-building ‘sftrack4_groups.Rmd’ using rmarkdown
--- finished re-building ‘sftrack4_groups.Rmd’

--- re-building ‘sftrack5_spatial.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/sftrack.Rcheck/vign_test/sftrack/vignettes/sftrack5_spatial_files/figure-html/unnamed-chunk-4-1.png
576x403 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 4683 bytes
Input file size = 4761 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 4122
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5		IDAT size = 3870
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 5		IDAT size = 3870

Output IDAT size = 3870 bytes (813 bytes decrease)
Output file size = 3948 bytes (813 bytes = 17.08% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/sftrack.Rcheck/vign_test/sftrack/vignettes/sftrack5_spatial_files/figure-html/unnamed-chunk-5-1.png
576x403 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 48604 bytes
Input file size = 48742 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 41438
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 41438

Output IDAT size = 41438 bytes (7166 bytes decrease)
Output file size = 41516 bytes (7226 bytes = 14.82% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/sftrack.Rcheck/vign_test/sftrack/vignettes/sftrack5_spatial_files/figure-html/unnamed-chunk-5-2.png
576x403 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 48403 bytes
Input file size = 48541 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 41682
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 41682

Output IDAT size = 41682 bytes (6721 bytes decrease)
Output file size = 41760 bytes (6781 bytes = 13.97% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/sftrack.Rcheck/vign_test/sftrack/vignettes/sftrack5_spatial_files/figure-html/unnamed-chunk-6-1.png
576x403 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 44401 bytes
Input file size = 44539 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 38125
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 38125

Output IDAT size = 38125 bytes (6276 bytes decrease)
Output file size = 38203 bytes (6336 bytes = 14.23% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/sftrack.Rcheck/vign_test/sftrack/vignettes/sftrack5_spatial_files/figure-html/unnamed-chunk-7-1.png
576x403 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 91845 bytes
Input file size = 92055 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 77158
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 77158

Output IDAT size = 77158 bytes (14687 bytes decrease)
Output file size = 77236 bytes (14819 bytes = 16.10% decrease)


Quitting from lines 136-138 [unnamed-chunk-8] (sftrack5_spatial.Rmd)
Error: processing vignette 'sftrack5_spatial.Rmd' failed with diagnostics:
there is no package called 'ggplot2'
--- failed re-building ‘sftrack5_spatial.Rmd’

SUMMARY: processing the following file failed:
  ‘sftrack5_spatial.Rmd’

Error: Vignette re-building failed.
Execution halted