• using R version 3.6.2 (2019-12-12)
• using platform: x86_64-apple-darwin15.6.0 (64-bit)
• using session charset: UTF-8
• checking for file ‘sos4R/DESCRIPTION’ ... OK
• checking extension type ... Package
• this is package ‘sos4R’ version ‘0.4.0’
• package encoding: UTF-8
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for executable files ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking whether package ‘sos4R’ can be installed ... [18s/18s] OK
• checking installed package size ... OK
• checking package directory ... OK
• checking ‘build’ directory ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking for left-over files ... OK
• checking index information ... OK
• checking package subdirectories ... OK
• checking R files for non-ASCII characters ... OK
• checking R files for syntax errors ... OK
• checking whether the package can be loaded ... OK
• checking whether the package can be loaded with stated dependencies ... OK
• checking whether the package can be unloaded cleanly ... OK
• checking whether the namespace can be loaded with stated dependencies ... OK
• checking whether the namespace can be unloaded cleanly ... OK
• checking loading without being on the library search path ... OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [17s/17s] OK
• checking Rd files ... OK
• checking Rd metadata ... OK
• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
• checking Rd \usage sections ... OK
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking sizes of PDF files under ‘inst/doc’ ... OK
• checking installed files from ‘inst/doc’ ... OK
• checking files in ‘vignettes’ ... OK
• checking examples ... [5s/11s] OK
• checking for unstated dependencies in ‘tests’ ... OK
• checking tests ... [40s/83s] OK
    Running ‘testthat.R’ [40s/83s]
• checking for unstated dependencies in vignettes ... OK
• checking package vignettes in ‘inst/doc’ ... OK
• checking running R code from vignettes ... [2s/2s] NONE
    ‘sos4R-vignette-02-ogc-sos.Rmd’using ‘UTF-8’... [0s/0s] OK
    ‘sos4R-vignette-03-sos-operations.Rmd’using ‘UTF-8’... [0s/0s] OK
    ‘sos4R-vignette-04-extensions.Rmd’using ‘UTF-8’... [0s/0s] OK
    ‘sos4R-vignette-05-wrapper-functions.Rmd’using ‘UTF-8’... [0s/0s] OK
    ‘sos4R.Rmd’using ‘UTF-8’... [0s/0s] OK
• checking re-building of vignette outputs ... [513s/561s] WARNING
  Error(s) in re-building vignettes:
  --- re-building ‘sos4R-vignette-02-ogc-sos.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.
  --- finished re-building ‘sos4R-vignette-02-ogc-sos.Rmd’
  
  --- re-building ‘sos4R-vignette-03-sos-operations.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.
  --- finished re-building ‘sos4R-vignette-03-sos-operations.Rmd’
  
  --- re-building ‘sos4R-vignette-04-extensions.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.
  --- finished re-building ‘sos4R-vignette-04-extensions.Rmd’
  
  --- re-building ‘sos4R-vignette-05-wrapper-functions.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.
  Quitting from lines 162-165 (sos4R-vignette-05-wrapper-functions.Rmd)
  Error: processing vignette 'sos4R-vignette-05-wrapper-functions.Rmd' failed with diagnostics:
  cannot open the connection
  --- failed re-building ‘sos4R-vignette-05-wrapper-functions.Rmd’
  
  --- re-building ‘sos4R.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.
  Quitting from lines 186-193 (sos4R.Rmd)
  Error: processing vignette 'sos4R.Rmd' failed with diagnostics:
  cannot open the connection
  --- failed re-building ‘sos4R.Rmd’
  
  SUMMARY: processing the following files failed:
    ‘sos4R-vignette-05-wrapper-functions.Rmd’ ‘sos4R.Rmd’
  
  Error: Vignette re-building failed.
  Execution halted
  
• checking PDF version of manual ... OK
• DONE
  Status: 1 WARNING