Error(s) in re-building vignettes:
--- re-building ‘capped-axes.Rmd’ using rmarkdown
dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: processing vignette 'capped-axes.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘capped-axes.Rmd’

--- re-building ‘facet-rep-labels.Rmd’ using rmarkdown
dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: processing vignette 'facet-rep-labels.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘facet-rep-labels.Rmd’

--- re-building ‘geoms.Rmd’ using rmarkdown
Quitting from lines 30-41 (geoms.Rmd) 
Error: processing vignette 'geoms.Rmd' failed with diagnostics:
invalid line type
--- failed re-building ‘geoms.Rmd’

--- re-building ‘gtable_show_lemonade.Rmd’ using rmarkdown
Quitting from lines 42-61 (gtable_show_lemonade.Rmd) 
Error: processing vignette 'gtable_show_lemonade.Rmd' failed with diagnostics:
argument is of length zero
--- failed re-building ‘gtable_show_lemonade.Rmd’

--- re-building ‘legends.Rmd’ using rmarkdown
dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: processing vignette 'legends.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘legends.Rmd’

--- re-building ‘lemon_print.Rmd’ using rmarkdown
dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: processing vignette 'lemon_print.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘lemon_print.Rmd’

SUMMARY: processing the following files failed:
  ‘capped-axes.Rmd’ ‘facet-rep-labels.Rmd’ ‘geoms.Rmd’
  ‘gtable_show_lemonade.Rmd’ ‘legends.Rmd’ ‘lemon_print.Rmd’

Error: Vignette re-building failed.
Execution halted