Error(s) in re-building vignettes:
  ...
--- re-building ‘dists-categorical.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/dodgr.Rcheck/vign_test/dodgr/vignettes/dists-categorical_files/figure-html/hist-path-1.png
1344x960 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 17609 bytes
Input file size = 18491 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 14378
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 14352
  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 = 13489
  zc = 9  zm = 8  zs = 1  f = 5		IDAT size = 13473
  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 = 5		IDAT size = 13473

Output IDAT size = 13473 bytes (4136 bytes decrease)
Output file size = 13551 bytes (4940 bytes = 26.72% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/dodgr.Rcheck/vign_test/dodgr/vignettes/dists-categorical_files/figure-html/hist-track-1.png
1344x960 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 15466 bytes
Input file size = 16336 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 13169
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 13138
  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 = 13138

Output IDAT size = 13138 bytes (2328 bytes decrease)
Output file size = 13216 bytes (3120 bytes = 19.10% decrease)

--- finished re-building ‘dists-categorical.Rmd’

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

Quitting from lines 665-668 [unnamed-chunk-7] (dodgr.Rmd)
Error: processing vignette 'dodgr.Rmd' failed with diagnostics:
object 'i' not found
--- failed re-building ‘dodgr.Rmd’

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

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

--- re-building ‘times.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/dodgr.Rcheck/vign_test/dodgr/vignettes/times_files/figure-html/shortest-vs-fastest-1.png
1344x960 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 77954 bytes
Input file size = 78140 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 62254
  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 = 62254

Output IDAT size = 62254 bytes (15700 bytes decrease)
Output file size = 62332 bytes (15808 bytes = 20.23% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/dodgr.Rcheck/vign_test/dodgr/vignettes/times_files/figure-html/shortest-vs-fastest-times-1.png
1344x960 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 112020 bytes
Input file size = 112254 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 86275
  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 = 86275

Output IDAT size = 86275 bytes (25745 bytes decrease)
Output file size = 86353 bytes (25901 bytes = 23.07% decrease)

--- finished re-building ‘times.Rmd’

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

Error: Vignette re-building failed.
Execution halted