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###
### Running command:
###
###   /home/biocbuild/R/R/bin/R CMD build --keep-empty-dirs --no-resave-data segmenter
###
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* checking for file ‘segmenter/DESCRIPTION’ ... OK
* preparing ‘segmenter’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘segmenter.Rmd’ using rmarkdown

Quitting from segmenter.Rmd:539-558 [add_tracks]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `errorHandler()`:
! Internal Server Error
---
Backtrace:
     ▆
  1. └─Gviz::IdeogramTrack(genome = "hg18", chromosome = 11)
  2.   └─methods::new(...)
  3.     ├─methods::initialize(value, ...)
  4.     └─Gviz::initialize(value, ...)
  5.       └─Gviz (local) .local(.Object, ...)
  6.         └─Gviz:::.cacheGenomes(genome = genome)
  7.           ├─Gviz::.doCache(...)
  8.           │ ├─BiocGenerics::eval(expression, envir = callEnv)
  9.           │ └─base::eval(expression, envir = callEnv)
 10.           │   └─base::eval(expression, envir = callEnv)
 11.           ├─rtracklayer::getTable(query)
 12.           └─rtracklayer::getTable(query)
 13.             └─rtracklayer (local) .local(object, ...)
 14.               ├─restfulr::read(url$getData$track, query)
 15.               └─restfulr::read(url$getData$track, query)
 16.                 ├─base::tryCatch(...)
 17.                 │ └─base (local) tryCatchList(expr, classes, parentenv, handlers)
 18.                 │   └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
 19.                 │     └─base (local) doTryCatch(return(expr), name, parentenv, handler)
 20.                 └─x@protocol$read(x, cacheInfo)
 21.                   └─restfulr:::handleResponse(content, reader, cache.info, x@errorHandler)
 22.                     └─restfulr (local) errorHandler(responseError)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'segmenter.Rmd' failed with diagnostics:
Internal Server Error

--- failed re-building ‘segmenter.Rmd’

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

Error: Vignette re-building failed.
Execution halted