Error(s) in re-building vignettes:
  ...
--- re-building ‘c2.formula.data.Rmd’ using rmarkdown
[WARNING] Citeproc: citation FOX:WEIS:10 not found
--- finished re-building ‘c2.formula.data.Rmd’

--- re-building ‘c3.rum.Rmd’ using rmarkdown
--- finished re-building ‘c3.rum.Rmd’

--- re-building ‘c4.relaxiid.Rmd’ using rmarkdown

Quitting from lines 195-197 [homoscedasticity tests: Wald test] (c4.relaxiid.Rmd)
Error: processing vignette 'c4.relaxiid.Rmd' failed with diagnostics:
there is no package called 'car'
--- failed re-building ‘c4.relaxiid.Rmd’

--- re-building ‘c5.mxl.Rmd’ using rmarkdown

Quitting from lines 373-383 [tests of no correlated random effects] (c5.mxl.Rmd)
Error: processing vignette 'c5.mxl.Rmd' failed with diagnostics:
there is no package called 'car'
--- failed re-building ‘c5.mxl.Rmd’

--- re-building ‘c6.mprobit.Rmd’ using rmarkdown
--- finished re-building ‘c6.mprobit.Rmd’

--- re-building ‘c7.miscmodels.Rmd’ using rmarkdown
--- finished re-building ‘c7.miscmodels.Rmd’

--- re-building ‘e1mlogit.Rmd’ using rmarkdown
--- finished re-building ‘e1mlogit.Rmd’

--- re-building ‘e2nlogit.Rmd’ using rmarkdown
--- finished re-building ‘e2nlogit.Rmd’

--- re-building ‘e3mxlogit.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/mlogit.Rcheck/vign_test/mlogit/vignettes/e3mxlogit_files/figure-html/unnamed-chunk-11-1.png
288x288 pixels, 8 bits/pixel, 254 colors in palette
Input IDAT size = 3813 bytes
Input file size = 4665 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 3476
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 3457
  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 = 3457

Output IDAT size = 3457 bytes (356 bytes decrease)
Output file size = 4309 bytes (356 bytes = 7.63% decrease)

** Processing: /home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/mlogit.Rcheck/vign_test/mlogit/vignettes/e3mxlogit_files/figure-html/unnamed-chunk-15-1.png
288x288 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 4608 bytes
Input file size = 5466 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 4002
  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 = 4002

Output IDAT size = 4002 bytes (606 bytes decrease)
Output file size = 4080 bytes (1386 bytes = 25.36% decrease)

--- finished re-building ‘e3mxlogit.Rmd’

--- re-building ‘e4mprobit.Rmd’ using rmarkdown
--- finished re-building ‘e4mprobit.Rmd’

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

SUMMARY: processing the following files failed:
  ‘c4.relaxiid.Rmd’ ‘c5.mxl.Rmd’

Error: Vignette re-building failed.
Execution halted