Error(s) in re-building vignettes:
--- re-building ‘gettingstarted.Rmd’ using rmarkdown
Loading required package: magrittr

Attaching package: 'imager'

The following object is masked from 'package:magrittr':

    add

The following objects are masked from 'package:stats':

    convolve, spectrum

The following object is masked from 'package:graphics':

    frame

The following object is masked from 'package:base':

    save.image


Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union


Attaching package: 'purrr'

The following object is masked from 'package:magrittr':

    set_names

Warning in as.cimg.vector(obj, ...) :
  Guessing input is a square 2D image
Warning in as.cimg.vector(obj, ...) :
  Guessing input is a square 2D image
Warning in as.cimg.array(array(1:9, c(10, 10, 3))) :
  Assuming third dimension corresponds to colour
Warning in as.cimg.array(array(1:9, c(10, 10, 4))) :
  Assuming third dimension corresponds to time/depth
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 'gettingstarted.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘gettingstarted.Rmd’

--- re-building ‘pixsets.Rmd’ using rmarkdown
Loading required package: magrittr

Attaching package: 'imager'

The following object is masked from 'package:magrittr':

    add

The following objects are masked from 'package:stats':

    convolve, spectrum

The following object is masked from 'package:graphics':

    frame

The following object is masked from 'package:base':

    save.image


Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

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 'pixsets.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘pixsets.Rmd’

SUMMARY: processing the following files failed:
  ‘gettingstarted.Rmd’ ‘pixsets.Rmd’

Error: Vignette re-building failed.
Execution halted