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### Running command:
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###   /Library/Frameworks/R.framework/Resources/bin/R CMD build --keep-empty-dirs --no-resave-data GenomicDataCommons
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* checking for file ‘GenomicDataCommons/DESCRIPTION’ ... OK
* preparing ‘GenomicDataCommons’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘overview.Rmd’ using rmarkdown
Loading required package: magrittr

Attaching package: 'GenomicDataCommons'

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

    filter

--- finished re-building ‘overview.Rmd’

--- re-building ‘questions-and-answers.Rmd’ using rmarkdown
--- finished re-building ‘questions-and-answers.Rmd’

--- re-building ‘somatic_mutations.Rmd’ using rmarkdown
Quitting from lines 69-75 (somatic_mutations.Rmd) 
Error: processing vignette 'somatic_mutations.Rmd' failed with diagnostics:
there is no package called 'VariantAnnotation'
--- failed re-building ‘somatic_mutations.Rmd’

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

Error: Vignette re-building failed.
Execution halted