Running examples in ‘nlrx-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: nldoc
> ### Title: Create NetLogo documentation
> ### Aliases: nldoc
> 
> ### ** Examples
> 
> 
> # List model files (.nls subfiles are also supported)
> modelfiles <- c("https://raw.githubusercontent.com/nldoc/nldoc_pg/master/WSP.nlogo",
+                 "https://raw.githubusercontent.com/nldoc/nldoc_pg/master/WSP.nls")
> 
> # Define output directory:
> outdir <- tempdir()  # adjust path to your needs
> 
> # Create documentation:
> nldoc(modelfiles = modelfiles,
+       infotab=TRUE,
+       gui=TRUE,
+       bs=TRUE,
+       outpath = outdir,
+       output_format = "html",
+       number_sections = TRUE,
+       theme = "cosmo",
+       date = date(),
+       toc = TRUE)
/usr/bin/pandoc +RTS -K512m -RTS nldoc.utf8.md --to html4 --from markdown+autolink_bare_uris+tex_math_single_backslash+smart --output nldoc.html --email-obfuscation none --self-contained --standalone --section-divs --table-of-contents --toc-depth 3 --template /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/rmarkdown/rmd/h/default.html --no-highlight --variable highlightjs=1 --number-sections --variable 'theme:cosmo' --include-in-header /tmp/RtmpIcUtpL/rmarkdown-str224860a5ba84.html --mathjax --variable 'mathjax-url:https://mathjax.rstudio.com/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML' --lua-filter /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/rmarkdown/rmd/lua/pagebreak.lua --lua-filter /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/rmarkdown/rmd/lua/latex-div.lua 
Could not fetch http://ccl.northwestern.edu/images/creativecommons/byncsa.png
HttpExceptionRequest Request {
  host                 = "ccl.northwestern.edu"
  port                 = 80
  secure               = False
  requestHeaders       = []
  path                 = "/images/creativecommons/byncsa.png"
  queryString          = ""
  method               = "GET"
  proxy                = Nothing
  rawBody              = False
  redirectCount        = 10
  responseTimeout      = ResponseTimeoutDefault
  requestVersion       = HTTP/1.1
}
 ConnectionTimeout
Error: pandoc document conversion failed with error 61
Execution halted