Error(s) in re-building vignettes:
--- re-building ‘ciTools-binomial-vignette.Rmd’ using rmarkdown
── Attaching packages ─────────────────────────────────────── tidyverse 1.3.0 ──
✔ ggplot2 3.3.0     ✔ purrr   0.3.3
✔ tibble  2.1.3     ✔ dplyr   0.8.5
✔ tidyr   1.0.2     ✔ stringr 1.4.0
✔ readr   1.3.1     ✔ forcats 0.5.0
── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
✖ dplyr::lag()    masks stats::lag()
ciTools version 0.5.1 (C) Institute for Defense Analyses
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 'ciTools-binomial-vignette.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘ciTools-binomial-vignette.Rmd’

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

--- re-building ‘ciTools-glm-vignette.Rmd’ using rmarkdown
── Attaching packages ─────────────────────────────────────── tidyverse 1.3.0 ──
✔ ggplot2 3.3.0     ✔ purrr   0.3.3
✔ tibble  2.1.3     ✔ dplyr   0.8.5
✔ tidyr   1.0.2     ✔ stringr 1.4.0
✔ readr   1.3.1     ✔ forcats 0.5.0
── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
✖ dplyr::lag()    masks stats::lag()
ciTools version 0.5.1 (C) Institute for Defense Analyses

Attaching package: 'MASS'

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

    select

Loading required package: Matrix

Attaching package: 'Matrix'

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

    expand, pack, unpack

Loading required package: lme4

arm (Version 1.10-1, built: 2018-4-12)

Working directory is /Volumes/Builds/packages/high-sierra-x86_64/results/4.0/ciTools.Rcheck/vign_test/ciTools/vignettes

Parsed with column specification:
cols(
  total_time = col_double(),
  level = col_double(),
  sample_size = col_double(),
  cov_prob = col_double(),
  cov_prob_se = col_double(),
  int_width = col_double(),
  int_width_se = col_double()
)
Parsed with column specification:
cols(
  total_time = col_double(),
  level = col_double(),
  sample_size = col_double(),
  cov_prob = col_double(),
  cov_prob_se = col_double(),
  int_width = col_double(),
  int_width_se = col_double()
)
Parsed with column specification:
cols(
  total_time = col_double(),
  level = col_double(),
  sample_size = col_double(),
  cov_prob = col_double(),
  cov_prob_se = col_double(),
  int_width = col_double(),
  int_width_se = col_double()
)
Parsed with column specification:
cols(
  total_time = col_double(),
  level = col_double(),
  sample_size = col_double(),
  cov_prob = col_double(),
  cov_prob_se = col_double(),
  int_width = col_double(),
  int_width_se = col_double()
)
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 'ciTools-glm-vignette.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘ciTools-glm-vignette.Rmd’

--- re-building ‘ciTools_survreg_vignette.Rmd’ using rmarkdown
── Attaching packages ─────────────────────────────────────── tidyverse 1.3.0 ──
✔ ggplot2 3.3.0     ✔ purrr   0.3.3
✔ tibble  2.1.3     ✔ dplyr   0.8.5
✔ tidyr   1.0.2     ✔ stringr 1.4.0
✔ readr   1.3.1     ✔ forcats 0.5.0
── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
✖ dplyr::filter() masks stats::filter()
✖ dplyr::lag()    masks stats::lag()
ciTools version 0.5.1 (C) Institute for Defense Analyses
here() starts at /Volumes/Builds/packages/high-sierra-x86_64/results/4.0/ciTools.Rcheck/vign_test/ciTools
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 'ciTools_survreg_vignette.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘ciTools_survreg_vignette.Rmd’

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

SUMMARY: processing the following files failed:
  ‘ciTools-binomial-vignette.Rmd’ ‘ciTools-demo.Rmd’
  ‘ciTools-glm-vignette.Rmd’ ‘ciTools_survreg_vignette.Rmd’
  ‘citools-merMod-vignette.Rmd’

Error: Vignette re-building failed.
Execution halted