Error(s) in re-building vignettes:
  ...
--- re-building ‘PPtreeregViz.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PPtreeregViz.Rcheck/vign_test/PPtreeregViz/vignettes/PPtreeregViz_files/figure-html/unnamed-chunk-4-1.png
672x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 16562 bytes
Input file size = 17444 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 15344
  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 = 15344

Output IDAT size = 15344 bytes (1218 bytes decrease)
Output file size = 15422 bytes (2022 bytes = 11.59% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PPtreeregViz.Rcheck/vign_test/PPtreeregViz/vignettes/PPtreeregViz_files/figure-html/unnamed-chunk-5-1.png
672x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 47467 bytes
Input file size = 47605 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 39218
  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 = 39218

Output IDAT size = 39218 bytes (8249 bytes decrease)
Output file size = 39296 bytes (8309 bytes = 17.45% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PPtreeregViz.Rcheck/vign_test/PPtreeregViz/vignettes/PPtreeregViz_files/figure-html/unnamed-chunk-6-1.png
672x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 52857 bytes
Input file size = 53007 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 44611
  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 = 44611

Output IDAT size = 44611 bytes (8246 bytes decrease)
Output file size = 44689 bytes (8318 bytes = 15.69% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PPtreeregViz.Rcheck/vign_test/PPtreeregViz/vignettes/PPtreeregViz_files/figure-html/unnamed-chunk-7-1.png
672x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 52041 bytes
Input file size = 52191 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 43880
  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 = 43880

Output IDAT size = 43880 bytes (8161 bytes decrease)
Output file size = 43958 bytes (8233 bytes = 15.77% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PPtreeregViz.Rcheck/vign_test/PPtreeregViz/vignettes/PPtreeregViz_files/figure-html/unnamed-chunk-8-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 20953 bytes
Input file size = 21055 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 14909
  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 = 14909

Output IDAT size = 14909 bytes (6044 bytes decrease)
Output file size = 14987 bytes (6068 bytes = 28.82% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PPtreeregViz.Rcheck/vign_test/PPtreeregViz/vignettes/PPtreeregViz_files/figure-html/unnamed-chunk-9-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 11346 bytes
Input file size = 11436 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 8725
  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 = 8725

Output IDAT size = 8725 bytes (2621 bytes decrease)
Output file size = 8803 bytes (2633 bytes = 23.02% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PPtreeregViz.Rcheck/vign_test/PPtreeregViz/vignettes/PPtreeregViz_files/figure-html/unnamed-chunk-10-1.png
768x384 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 51223 bytes
Input file size = 51373 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 40196
  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 = 40196

Output IDAT size = 40196 bytes (11027 bytes decrease)
Output file size = 40274 bytes (11099 bytes = 21.60% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PPtreeregViz.Rcheck/vign_test/PPtreeregViz/vignettes/PPtreeregViz_files/figure-html/unnamed-chunk-11-1.png
768x384 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 54985 bytes
Input file size = 55135 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 39743
  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 = 39743

Output IDAT size = 39743 bytes (15242 bytes decrease)
Output file size = 39821 bytes (15314 bytes = 27.78% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PPtreeregViz.Rcheck/vign_test/PPtreeregViz/vignettes/PPtreeregViz_files/figure-html/unnamed-chunk-12-1.png
768x384 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 55451 bytes
Input file size = 55601 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 40315
  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 = 40315

Output IDAT size = 40315 bytes (15136 bytes decrease)
Output file size = 40393 bytes (15208 bytes = 27.35% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PPtreeregViz.Rcheck/vign_test/PPtreeregViz/vignettes/PPtreeregViz_files/figure-html/unnamed-chunk-13-1.png
480x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 45002 bytes
Input file size = 45140 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 33628
  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 = 33628

Output IDAT size = 33628 bytes (11374 bytes decrease)
Output file size = 33706 bytes (11434 bytes = 25.33% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PPtreeregViz.Rcheck/vign_test/PPtreeregViz/vignettes/PPtreeregViz_files/figure-html/unnamed-chunk-14-1.png
480x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 64994 bytes
Input file size = 65156 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 47920
  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 = 47920

Output IDAT size = 47920 bytes (17074 bytes decrease)
Output file size = 47998 bytes (17158 bytes = 26.33% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PPtreeregViz.Rcheck/vign_test/PPtreeregViz/vignettes/PPtreeregViz_files/figure-html/unnamed-chunk-15-1.png
480x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 30853 bytes
Input file size = 30967 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 23590
  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 = 23590

Output IDAT size = 23590 bytes (7263 bytes decrease)
Output file size = 23668 bytes (7299 bytes = 23.57% decrease)

** Processing: /home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/PPtreeregViz.Rcheck/vign_test/PPtreeregViz/vignettes/PPtreeregViz_files/figure-html/unnamed-chunk-16-1.png
480x480 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 42264 bytes
Input file size = 42402 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 31810
  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 = 31810

Output IDAT size = 31810 bytes (10454 bytes decrease)
Output file size = 31888 bytes (10514 bytes = 24.80% decrease)


Quitting from lines 169-170 [unnamed-chunk-18] (PPtreeregViz.Rmd)
Error: processing vignette 'PPtreeregViz.Rmd' failed with diagnostics:
'feature_matrix_cpp' is not an exported object from 'namespace:shapr'
--- failed re-building ‘PPtreeregViz.Rmd’

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

Error: Vignette re-building failed.
Execution halted