Error(s) in re-building vignettes:
  ...
--- re-building ‘demos.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/canprot.Rcheck/vign_test/canprot/vignettes/demos_files/figure-html/thermophiles_demo_body-1.png
1200x900 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 82105 bytes
Input file size = 82303 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 66426
  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 = 66426

Output IDAT size = 66426 bytes (15679 bytes decrease)
Output file size = 66504 bytes (15799 bytes = 19.20% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/canprot.Rcheck/vign_test/canprot/vignettes/demos_files/figure-html/locations_demo_body-1.png
1200x675 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 68566 bytes
Input file size = 68740 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 56984
  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 = 56984

Output IDAT size = 56984 bytes (11582 bytes decrease)
Output file size = 57062 bytes (11678 bytes = 16.99% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/canprot.Rcheck/vign_test/canprot/vignettes/demos_files/figure-html/redoxins_demo_body-1.png
600x500 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 11873 bytes
Input file size = 12743 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10618
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 10607
  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 = 1  f = 0		IDAT size = 10607

Output IDAT size = 10607 bytes (1266 bytes decrease)
Output file size = 10685 bytes (2058 bytes = 16.15% decrease)

--- finished re-building ‘demos.Rmd’

--- re-building ‘introduction.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/canprot.Rcheck/vign_test/canprot/vignettes/introduction_files/figure-html/Zc_KHAB17-1.png
576x384 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 18076 bytes
Input file size = 18178 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 14378
  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 = 14378

Output IDAT size = 14378 bytes (3698 bytes decrease)
Output file size = 14456 bytes (3722 bytes = 20.48% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/canprot.Rcheck/vign_test/canprot/vignettes/introduction_files/figure-html/DKM20_plot-1.png
672x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 25081 bytes
Input file size = 25195 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 20289
  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 = 20289

Output IDAT size = 20289 bytes (4792 bytes decrease)
Output file size = 20367 bytes (4828 bytes = 19.16% decrease)

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

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

Quitting from lines 79-82 [LYSC_reaction] (metrics.Rmd)
Error: processing vignette 'metrics.Rmd' failed with diagnostics:
operations are possible only for numeric, logical or complex types
--- failed re-building ‘metrics.Rmd’

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

Error: Vignette re-building failed.
Execution halted