Error(s) in re-building vignettes:
  ...
--- re-building ‘step1_data_preparation.Rmd’ using rmarkdown

Quitting from lines 16-22 [unnamed-chunk-1] (step1_data_preparation.Rmd)
Error: processing vignette 'step1_data_preparation.Rmd' failed with diagnostics:
invalid argument type
--- failed re-building ‘step1_data_preparation.Rmd’

--- re-building ‘step2_data_analysis.Rmd’ using rmarkdown

Quitting from lines 18-45 [unnamed-chunk-1] (step2_data_analysis.Rmd)
Error: processing vignette 'step2_data_analysis.Rmd' failed with diagnostics:
invalid argument type
--- failed re-building ‘step2_data_analysis.Rmd’

--- re-building ‘step3_swarm_space.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/swaRmverse.Rcheck/vign_test/swaRmverse/vignettes/step3_swarm_space_files/figure-html/unnamed-chunk-2-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 13685 bytes
Input file size = 13775 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10035
  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 = 10035

Output IDAT size = 10035 bytes (3650 bytes decrease)
Output file size = 10113 bytes (3662 bytes = 26.58% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/swaRmverse.Rcheck/vign_test/swaRmverse/vignettes/step3_swarm_space_files/figure-html/unnamed-chunk-4-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 12811 bytes
Input file size = 12901 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9471
  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 = 9471

Output IDAT size = 9471 bytes (3340 bytes decrease)
Output file size = 9549 bytes (3352 bytes = 25.98% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/swaRmverse.Rcheck/vign_test/swaRmverse/vignettes/step3_swarm_space_files/figure-html/unnamed-chunk-5-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 18102 bytes
Input file size = 18204 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 13735
  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 = 13735

Output IDAT size = 13735 bytes (4367 bytes decrease)
Output file size = 13813 bytes (4391 bytes = 24.12% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/swaRmverse.Rcheck/vign_test/swaRmverse/vignettes/step3_swarm_space_files/figure-html/unnamed-chunk-6-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 15123 bytes
Input file size = 15213 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 11158
  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 = 11158

Output IDAT size = 11158 bytes (3965 bytes decrease)
Output file size = 11236 bytes (3977 bytes = 26.14% decrease)

--- finished re-building ‘step3_swarm_space.Rmd’

SUMMARY: processing the following files failed:
  ‘step1_data_preparation.Rmd’ ‘step2_data_analysis.Rmd’

Error: Vignette re-building failed.
Execution halted