Error(s) in re-building vignettes:
  ...
--- re-building ‘trip-rationale.Rmd’ using rmarkdown
--- finished re-building ‘trip-rationale.Rmd’

--- re-building ‘trip.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/trip.Rcheck/vign_test/trip/vignettes/trip_files/figure-html/unnamed-chunk-2-1.png
672x672 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 12459 bytes
Input file size = 12549 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9379
  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 = 9379

Output IDAT size = 9379 bytes (3080 bytes decrease)
Output file size = 9457 bytes (3092 bytes = 24.64% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/trip.Rcheck/vign_test/trip/vignettes/trip_files/figure-html/unnamed-chunk-3-1.png
672x672 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 11405 bytes
Input file size = 11495 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 8560
  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 = 8560

Output IDAT size = 8560 bytes (2845 bytes decrease)
Output file size = 8638 bytes (2857 bytes = 24.85% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/trip.Rcheck/vign_test/trip/vignettes/trip_files/figure-html/unnamed-chunk-4-1.png
672x672 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 11993 bytes
Input file size = 12083 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10357
  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 = 10357

Output IDAT size = 10357 bytes (1636 bytes decrease)
Output file size = 10435 bytes (1648 bytes = 13.64% decrease)


Quitting from lines 104-109 [plot-argos-anti-meridian] (trip.Rmd)
Error: processing vignette 'trip.Rmd' failed with diagnostics:
there is no package called 'maps'
--- failed re-building ‘trip.Rmd’

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

Error: Vignette re-building failed.
Execution halted