Error(s) in re-building vignettes:
  ...
--- re-building ‘classes.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 32-39 (classes.Rmd) 
Error: processing vignette 'classes.Rmd' failed with diagnostics:
 
! LaTeX Error: File `/tmp/RtmpY2aG0M/working_dir/Rtmpm7a4E5/tex_temp.tex ' not 
found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: tex )

Enter file name: 
! Emergency stop.
<read *> 
 
l.17 ...aG0M/working_dir/Rtmpm7a4E5/tex_temp.tex }
 ^^M 
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘classes.Rmd’

--- re-building ‘kable.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 53-57 (kable.Rmd) 
Error: processing vignette 'kable.Rmd' failed with diagnostics:
 
! LaTeX Error: File `/tmp/RtmpY2aG0M/working_dir/RtmpyVayb6/tex_temp.tex ' not 
found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: tex )

Enter file name: 
! Emergency stop.
<read *> 
 
l.17 ...aG0M/working_dir/RtmpyVayb6/tex_temp.tex }
 ^^M 
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘kable.Rmd’

--- re-building ‘rmarkdown.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 34-38 (rmarkdown.Rmd) 
Error: processing vignette 'rmarkdown.Rmd' failed with diagnostics:
 
! LaTeX Error: File `/tmp/RtmpY2aG0M/working_dir/RtmpJTaaRa/tex_temp.tex ' not 
found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: tex )

Enter file name: 
! Emergency stop.
<read *> 
 
l.17 ...aG0M/working_dir/RtmpJTaaRa/tex_temp.tex }
 ^^M 
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘rmarkdown.Rmd’

--- re-building ‘slickr.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 46-50 (slickr.Rmd) 
Error: processing vignette 'slickr.Rmd' failed with diagnostics:
 
! LaTeX Error: File `/home/ripley/R/packages/tests32/texPreview.Rcheck/vign_tes
t/texPreview/vignettes/slickr_files/figure-html/kable-1.tex ' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: tex )

Enter file name: 
! Emergency stop.
<read *> 
 
l.17 ...tes/slickr_files/figure-html/kable-1.tex }
 ^^M 
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘slickr.Rmd’

--- re-building ‘tests_and_coverage.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘tests_and_coverage.Rmd’

--- re-building ‘tex_packages.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘tex_packages.Rmd’

--- re-building ‘tikz.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 50-51 (tikz.Rmd) 
Error: processing vignette 'tikz.Rmd' failed with diagnostics:
 
! LaTeX Error: File `/home/ripley/R/packages/tests32/texPreview.Rcheck/vign_tes
t/texPreview/vignettes/tikz_files/figure-html/tikz-1.tex ' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: tex )

Enter file name: 
! Emergency stop.
<read *> 
 
l.18 ...nettes/tikz_files/figure-html/tikz-1.tex }
 ^^M 
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘tikz.Rmd’

SUMMARY: processing the following files failed:
  ‘classes.Rmd’ ‘kable.Rmd’ ‘rmarkdown.Rmd’ ‘slickr.Rmd’ ‘tikz.Rmd’

Error: Vignette re-building failed.
Execution halted