Error(s) in re-building vignettes:
  ...
--- re-building ‘MatchIt.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/MatchIt.Rcheck/vign_test/MatchIt/vignettes/MatchIt_files/figure-html/unnamed-chunk-7-1.png
672x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 22327 bytes
Input file size = 23209 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 21325
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 21124
  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 = 21124

Output IDAT size = 21124 bytes (1203 bytes decrease)
Output file size = 21202 bytes (2007 bytes = 8.65% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/MatchIt.Rcheck/vign_test/MatchIt/vignettes/MatchIt_files/figure-html/unnamed-chunk-8-1.png
672x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 15009 bytes
Input file size = 15879 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 13283
  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 = 13283

Output IDAT size = 13283 bytes (1726 bytes decrease)
Output file size = 13361 bytes (2518 bytes = 15.86% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/MatchIt.Rcheck/vign_test/MatchIt/vignettes/MatchIt_files/figure-html/unnamed-chunk-12-1.png
672x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 11905 bytes
Input file size = 12775 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10981
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 10939
  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 = 10939

Output IDAT size = 10939 bytes (966 bytes decrease)
Output file size = 11017 bytes (1758 bytes = 13.76% decrease)

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

--- re-building ‘assessing-balance.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/MatchIt.Rcheck/vign_test/MatchIt/vignettes/assessing-balance_files/figure-html/unnamed-chunk-3-1.png
672x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 16116 bytes
Input file size = 16986 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 15057
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 14959
  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 = 14959

Output IDAT size = 14959 bytes (1157 bytes decrease)
Output file size = 15037 bytes (1949 bytes = 11.47% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/MatchIt.Rcheck/vign_test/MatchIt/vignettes/assessing-balance_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 = 25536 bytes
Input file size = 26430 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 23691
  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 = 23691

Output IDAT size = 23691 bytes (1845 bytes decrease)
Output file size = 23769 bytes (2661 bytes = 10.07% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/MatchIt.Rcheck/vign_test/MatchIt/vignettes/assessing-balance_files/figure-html/unnamed-chunk-5-1.png
672x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 11711 bytes
Input file size = 12581 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 10316
  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 = 10316

Output IDAT size = 10316 bytes (1395 bytes decrease)
Output file size = 10394 bytes (2187 bytes = 17.38% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/MatchIt.Rcheck/vign_test/MatchIt/vignettes/assessing-balance_files/figure-html/unnamed-chunk-6-1.png
672x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 15764 bytes
Input file size = 16634 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 14081
  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 = 14081

Output IDAT size = 14081 bytes (1683 bytes decrease)
Output file size = 14159 bytes (2475 bytes = 14.88% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/MatchIt.Rcheck/vign_test/MatchIt/vignettes/assessing-balance_files/figure-html/unnamed-chunk-10-1.png
672x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 12085 bytes
Input file size = 12955 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 11143
  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 = 11143

Output IDAT size = 11143 bytes (942 bytes decrease)
Output file size = 11221 bytes (1734 bytes = 13.38% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/MatchIt.Rcheck/vign_test/MatchIt/vignettes/assessing-balance_files/figure-html/unnamed-chunk-11-1.png
672x480 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 15048 bytes
Input file size = 15918 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 13389
  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 = 13389

Output IDAT size = 13389 bytes (1659 bytes decrease)
Output file size = 13467 bytes (2451 bytes = 15.40% decrease)

--- finished re-building ‘assessing-balance.Rmd’

--- re-building ‘estimating-effects.Rmd’ using rmarkdown

Quitting from lines 208-218 [unnamed-chunk-6] (estimating-effects.Rmd)
Error: processing vignette 'estimating-effects.Rmd' failed with diagnostics:
The package "optmatch" is required.
--- failed re-building ‘estimating-effects.Rmd’

--- re-building ‘matching-methods.Rmd’ using rmarkdown
--- finished re-building ‘matching-methods.Rmd’

--- re-building ‘sampling-weights.Rmd’ using rmarkdown
--- finished re-building ‘sampling-weights.Rmd’

SUMMARY: processing the following file failed:
  ‘estimating-effects.Rmd’

Error: Vignette re-building failed.
Execution halted