Error(s) in re-building vignettes:
  ...
--- re-building ‘intro.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/iml.Rcheck/vign_test/iml/vignettes/intro_files/figure-html/unnamed-chunk-5-1.png
672x672 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 19312 bytes
Input file size = 19414 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 17887
  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 = 17366
  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 = 17366

Output IDAT size = 17366 bytes (1946 bytes decrease)
Output file size = 17444 bytes (1970 bytes = 10.15% decrease)

** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/iml.Rcheck/vign_test/iml/vignettes/intro_files/figure-html/unnamed-chunk-6-1.png
672x672 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 12825 bytes
Input file size = 13695 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10511
  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 = 10511

Output IDAT size = 10511 bytes (2314 bytes decrease)
Output file size = 10589 bytes (3106 bytes = 22.68% decrease)

** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/iml.Rcheck/vign_test/iml/vignettes/intro_files/figure-html/unnamed-chunk-7-1.png
672x672 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 11090 bytes
Input file size = 11960 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 8895
  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 = 8895

Output IDAT size = 8895 bytes (2195 bytes decrease)
Output file size = 8973 bytes (2987 bytes = 24.97% decrease)

** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/iml.Rcheck/vign_test/iml/vignettes/intro_files/figure-html/unnamed-chunk-8-1.png
672x672 pixels, 8 bits/pixel, 250 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 8484 bytes
Input file size = 9336 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 7060
  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 = 7060

Output IDAT size = 7060 bytes (1424 bytes decrease)
Output file size = 7138 bytes (2198 bytes = 23.54% decrease)

** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/iml.Rcheck/vign_test/iml/vignettes/intro_files/figure-html/unnamed-chunk-9-1.png
672x672 pixels, 8 bits/pixel, 251 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 11380 bytes
Input file size = 12235 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9075
  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 = 9075

Output IDAT size = 9075 bytes (2305 bytes decrease)
Output file size = 9153 bytes (3082 bytes = 25.19% decrease)

** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/iml.Rcheck/vign_test/iml/vignettes/intro_files/figure-html/unnamed-chunk-10-1.png
672x672 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 30025 bytes
Input file size = 30919 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 27540
  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 = 27540

Output IDAT size = 27540 bytes (2485 bytes decrease)
Output file size = 27618 bytes (3301 bytes = 10.68% decrease)

** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/iml.Rcheck/vign_test/iml/vignettes/intro_files/figure-html/unnamed-chunk-11-1.png
672x672 pixels, 8 bits/pixel, 237 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 10263 bytes
Input file size = 11076 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 8453
  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 = 8453

Output IDAT size = 8453 bytes (1810 bytes decrease)
Output file size = 8531 bytes (2545 bytes = 22.98% decrease)


Quitting from lines 157-160 [unnamed-chunk-13] (intro.Rmd)
Error: processing vignette 'intro.Rmd' failed with diagnostics:
Please install glmnet.
--- failed re-building ‘intro.Rmd’

--- re-building ‘parallel.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/iml.Rcheck/vign_test/iml/vignettes/parallel_files/figure-html/unnamed-chunk-4-1.png
672x672 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 20896 bytes
Input file size = 20998 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 18349
  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 = 18349

Output IDAT size = 18349 bytes (2547 bytes decrease)
Output file size = 18427 bytes (2571 bytes = 12.24% decrease)

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

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

Error: Vignette re-building failed.
Execution halted