Error(s) in re-building vignettes:
  ...
--- re-building ‘eQTL_outline.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
--- finished re-building ‘eQTL_outline.Rmd’

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

--- re-building ‘intro_mash.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Quitting from lines 223-224 (intro_mash.Rmd) 
Error: processing vignette 'intro_mash.Rmd' failed with diagnostics:
need finite 'xlim' values
--- failed re-building ‘intro_mash.Rmd’

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

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

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

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

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

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

Error: Vignette re-building failed.
Execution halted