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### Running command:
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###   chmod a+r MSnbase -R && C:\Users\biocbuild\bbs-3.20-bioc\R\bin\R.exe CMD build --keep-empty-dirs --no-resave-data MSnbase
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* checking for file 'MSnbase/DESCRIPTION' ... OK
* preparing 'MSnbase':
* checking DESCRIPTION meta-information ... OK
* cleaning src
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building 'v01-MSnbase-demo.Rmd' using rmarkdown
Error: processing vignette 'v01-MSnbase-demo.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building 'v01-MSnbase-demo.Rmd'

--- re-building 'v02-MSnbase-io.Rmd' using rmarkdown
Error: processing vignette 'v02-MSnbase-io.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building 'v02-MSnbase-io.Rmd'

--- re-building 'v03-MSnbase-centroiding.Rmd' using rmarkdown
Error: processing vignette 'v03-MSnbase-centroiding.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building 'v03-MSnbase-centroiding.Rmd'

--- re-building 'v04-benchmarking.Rmd' using rmarkdown
Error: processing vignette 'v04-benchmarking.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building 'v04-benchmarking.Rmd'

--- re-building 'v05-MSnbase-development.Rmd' using rmarkdown
Error: processing vignette 'v05-MSnbase-development.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building 'v05-MSnbase-development.Rmd'

SUMMARY: processing the following files failed:
  'v01-MSnbase-demo.Rmd' 'v02-MSnbase-io.Rmd'
  'v03-MSnbase-centroiding.Rmd' 'v04-benchmarking.Rmd'
  'v05-MSnbase-development.Rmd'

Error: Vignette re-building failed.
Execution halted