Error(s) in re-building vignettes:
--- re-building ‘mcMat.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.
In file included from mcMat.cpp:3:
In file included from /Volumes/SSD-Data/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/Rlib/3.6/Rcpp/include/Rcpp.h:57:
/Volumes/SSD-Data/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/Rlib/3.6/Rcpp/include/Rcpp/DataFrame.h:136:18: warning: unused variable 'data' [-Wunused-variable]
            SEXP data = Parent::get__();
                 ^
1 warning generated.
Quitting from lines 20-26 (mcMat.Rmd) 
Error: processing vignette 'mcMat.Rmd' failed with diagnostics:
unable to load shared object '/private/tmp/Rtmpe3VqxT/sourceCpp-x86_64-apple-darwin15.6.0-1.0.6/sourcecpp_eca64270fa1c/sourceCpp_2.so':
  dlopen(/private/tmp/Rtmpe3VqxT/sourceCpp-x86_64-apple-darwin15.6.0-1.0.6/sourcecpp_eca64270fa1c/sourceCpp_2.so, 6): Library not loaded: rTRNG.so
  Referenced from: /private/tmp/Rtmpe3VqxT/sourceCpp-x86_64-apple-darwin15.6.0-1.0.6/sourcecpp_eca64270fa1c/sourceCpp_2.so
  Reason: image not found
--- failed re-building ‘mcMat.Rmd’

--- re-building ‘rTRNG.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.
Building shared library for Rcpp code chunk...
In file included from fileecc24bcdead8.cpp:2:
In file included from /Volumes/SSD-Data/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/Rlib/3.6/Rcpp/include/Rcpp.h:57:
/Volumes/SSD-Data/Builds/R-dev-web/QA/Simon/packages/el-capitan-x86_64/Rlib/3.6/Rcpp/include/Rcpp/DataFrame.h:136:18: warning: unused variable 'data' [-Wunused-variable]
            SEXP data = Parent::get__();
                 ^
1 warning generated.
Quitting from lines 106-129 (rTRNG.Rmd) 
Error: processing vignette 'rTRNG.Rmd' failed with diagnostics:
unable to load shared object '/private/tmp/RtmpJ9MguO/sourceCpp-x86_64-apple-darwin15.6.0-1.0.6/sourcecpp_ecc23bf531c9/sourceCpp_2.so':
  dlopen(/private/tmp/RtmpJ9MguO/sourceCpp-x86_64-apple-darwin15.6.0-1.0.6/sourcecpp_ecc23bf531c9/sourceCpp_2.so, 6): Library not loaded: rTRNG.so
  Referenced from: /private/tmp/RtmpJ9MguO/sourceCpp-x86_64-apple-darwin15.6.0-1.0.6/sourcecpp_ecc23bf531c9/sourceCpp_2.so
  Reason: image not found
--- failed re-building ‘rTRNG.Rmd’

--- re-building ‘rTRNG.useR2017.pdf.asis’ using asis
--- finished re-building ‘rTRNG.useR2017.pdf.asis’

SUMMARY: processing the following files failed:
  ‘mcMat.Rmd’ ‘rTRNG.Rmd’

Error: Vignette re-building failed.
Execution halted