Error(s) in re-building vignettes:
  ...
--- re-building ‘hdf5r.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Warning in block_exec(params) :
  Failed to tidy R code in chunk 'unnamed-chunk-2'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'unnamed-chunk-3'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'unnamed-chunk-4'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'unnamed-chunk-5'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'unnamed-chunk-6'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'unnamed-chunk-7'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'unnamed-chunk-8'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'unnamed-chunk-9'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'unnamed-chunk-10'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'unnamed-chunk-11'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'unnamed-chunk-12'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Warning in block_exec(params) :
  Failed to tidy R code in chunk 'unnamed-chunk-13'. Reason:
Error in loadNamespace(name) : there is no package called 'formatR'

Quitting from lines 159-160 (hdf5r.Rmd) 
Error: processing vignette 'hdf5r.Rmd' failed with diagnostics:
HDF5-API Errors:
    error #000: H5T.c in H5Tget_class(): line 1876: not a datatype
        class: HDF5
        major: Invalid arguments to routine
        minor: Inappropriate type

--- failed re-building ‘hdf5r.Rmd’

SUMMARY: processing the following file failed:
  ‘hdf5r.Rmd’

Error: Vignette re-building failed.
Execution halted