Error(s) in re-building vignettes:
--- re-building 'demo.Rmd' using rmarkdown
Quitting from lines 21-34 (demo.Rmd) 
Error: processing vignette 'demo.Rmd' failed with diagnostics:
Files found in beautier folder. 
beautier_folder: C:\Users\CRAN\AppData\Local/beautier/beautier/Cache 
length(list.files(beautier_folder))): 3 
head(list.files(beautier_folder)): C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file13670ff35c02,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file178c45757dd,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/fileb9f87bd32678
--- failed re-building 'demo.Rmd'

--- re-building 'examples.Rmd' using rmarkdown
Quitting from lines 20-22 (examples.Rmd) 
Error: processing vignette 'examples.Rmd' failed with diagnostics:
Files found in beautier folder. 
beautier_folder: C:\Users\CRAN\AppData\Local/beautier/beautier/Cache 
length(list.files(beautier_folder))): 3 
head(list.files(beautier_folder)): C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file13670ff35c02,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file178c45757dd,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/fileb9f87bd32678
--- failed re-building 'examples.Rmd'

--- re-building 'nested_sampling.Rmd' using rmarkdown
Quitting from lines 20-22 (nested_sampling.Rmd) 
Error: processing vignette 'nested_sampling.Rmd' failed with diagnostics:
Files found in beautier folder. 
beautier_folder: C:\Users\CRAN\AppData\Local/beautier/beautier/Cache 
length(list.files(beautier_folder))): 3 
head(list.files(beautier_folder)): C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file13670ff35c02,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file178c45757dd,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/fileb9f87bd32678
--- failed re-building 'nested_sampling.Rmd'

--- re-building 'step_by_step.Rmd' using rmarkdown
Quitting from lines 20-23 (step_by_step.Rmd) 
Error: processing vignette 'step_by_step.Rmd' failed with diagnostics:
Files found in beautier folder. 
beautier_folder: C:\Users\CRAN\AppData\Local/beautier/beautier/Cache 
length(list.files(beautier_folder))): 3 
head(list.files(beautier_folder)): C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file13670ff35c02,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file178c45757dd,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/fileb9f87bd32678
--- failed re-building 'step_by_step.Rmd'

--- re-building 'tutorial.Rmd' using rmarkdown
Quitting from lines 21-23 (tutorial.Rmd) 
Error: processing vignette 'tutorial.Rmd' failed with diagnostics:
Files found in beautier folder. 
beautier_folder: C:\Users\CRAN\AppData\Local/beautier/beautier/Cache 
length(list.files(beautier_folder))): 3 
head(list.files(beautier_folder)): C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file13670ff35c02,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/file178c45757dd,C:\Users\CRAN\AppData\Local/beautier/beautier/Cache/fileb9f87bd32678
--- failed re-building 'tutorial.Rmd'

SUMMARY: processing the following files failed:
  'demo.Rmd' 'examples.Rmd' 'nested_sampling.Rmd' 'step_by_step.Rmd'
  'tutorial.Rmd'

Error: Vignette re-building failed.
Execution halted