Error(s) in re-building vignettes:
--- re-building ‘illustration.Rmd’ using rmarkdown
** Processing: /data/gannet/ripley/R/packages/tests-clang/multimedia.Rcheck/vign_test/multimedia/vignettes/illustration_files/figure-html/sensitivity_analysis-1.png
288x288 pixels, 4x8 bits/pixel, RGB+alpha
Input IDAT size = 18751 bytes
Input file size = 18853 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 14881
  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 = 14881

Output IDAT size = 14881 bytes (3870 bytes decrease)
Output file size = 14959 bytes (3894 bytes = 20.65% decrease)

** Processing: /data/gannet/ripley/R/packages/tests-clang/multimedia.Rcheck/vign_test/multimedia/vignettes/illustration_files/figure-html/unnamed-chunk-2-1.png
288x288 pixels, 4x8 bits/pixel, RGB+alpha
Input IDAT size = 16368 bytes
Input file size = 16458 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 12560
  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 = 12560

Output IDAT size = 12560 bytes (3808 bytes decrease)
Output file size = 12638 bytes (3820 bytes = 23.21% decrease)

** Processing: /data/gannet/ripley/R/packages/tests-clang/multimedia.Rcheck/vign_test/multimedia/vignettes/illustration_files/figure-html/visualize_long-1.png
768x288 pixels, 4x8 bits/pixel, RGB+alpha
Input IDAT size = 80706 bytes
Input file size = 80892 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 66444
  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 = 66444

Output IDAT size = 66444 bytes (14262 bytes decrease)
Output file size = 66522 bytes (14370 bytes = 17.76% decrease)

** Processing: /data/gannet/ripley/R/packages/tests-clang/multimedia.Rcheck/vign_test/multimedia/vignettes/illustration_files/figure-html/bootstraps-1.png
288x288 pixels, 4x8 bits/pixel, RGB+alpha
Reducing image to 2x8 bits/pixel, grayscale+alpha
Input IDAT size = 9547 bytes
Input file size = 9637 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 5462
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 5431
  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 = 5431

Output IDAT size = 5431 bytes (4116 bytes decrease)
Output file size = 5509 bytes (4128 bytes = 42.83% decrease)

** Processing: /data/gannet/ripley/R/packages/tests-clang/multimedia.Rcheck/vign_test/multimedia/vignettes/illustration_files/figure-html/bootstraps-2.png
288x288 pixels, 4x8 bits/pixel, RGB+alpha
Reducing image to 2x8 bits/pixel, grayscale+alpha
Input IDAT size = 6783 bytes
Input file size = 6861 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 4054
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 4007
  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 = 4007

Output IDAT size = 4007 bytes (2776 bytes decrease)
Output file size = 4085 bytes (2776 bytes = 40.46% decrease)

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

Warning: elapsed-time limit of 1 hours reached for sub-process
--- re-building ‘random.Rmd’ using rmarkdown
** Processing: /data/gannet/ripley/R/packages/tests-clang/multimedia.Rcheck/vign_test/multimedia/vignettes/random_files/figure-html/graph-1.png
288x288 pixels, 4x8 bits/pixel, RGB+alpha
Input IDAT size = 22371 bytes
Input file size = 22473 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 19850
  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 = 19850

Output IDAT size = 19850 bytes (2521 bytes decrease)
Output file size = 19928 bytes (2545 bytes = 11.32% decrease)

--- finished re-building ‘random.Rmd’

+-+random.html
SUMMARY: processing the following file failed:
  ‘random.Rmd’

Error: Vignette re-building failed.
Execution halted