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### Running command:
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###   /home/biocbuild/R/R/bin/R CMD build --keep-empty-dirs --no-resave-data xcms
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* checking for file ‘xcms/DESCRIPTION’ ... OK
* preparing ‘xcms’:
* checking DESCRIPTION meta-information ... OK
* cleaning src
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘LC-MS-feature-grouping.Rmd’ using rmarkdown
Error: processing vignette 'LC-MS-feature-grouping.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building ‘LC-MS-feature-grouping.Rmd’

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

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

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

SUMMARY: processing the following files failed:
  ‘LC-MS-feature-grouping.Rmd’ ‘xcms-direct-injection.Rmd’
  ‘xcms-lcms-ms.Rmd’ ‘xcms.Rmd’

Error: Vignette re-building failed.
Execution halted