Error in re-building vignettes:
  ...
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Loading required package: Rcpp
Warning in rstan::stan_model(file = file) :
  StanHeaders version is ahead of rstan version; update to latest rstan
Warning in system(cmd, intern = !verbose) :
  running command '/home/ripley/R/gcc/bin/R CMD SHLIB file2cd21064876.cpp 2> file2cd21064876.cpp.err.txt' had status 1 and error message 'Illegal seek'
Quitting from lines 74-84 (simulating_data.Rmd) 
Error: processing vignette 'simulating_data.Rmd' failed with diagnostics:
Compilation ERROR, function(s)/method(s) not created! In file included from /tmp/RtmpC_aiQl/RLIBS_17517db4204f/BH/include/boost/config.hpp:39:0,
                 from /tmp/RtmpC_aiQl/RLIBS_17517db4204f/BH/include/boost/math/tools/config.hpp:13,
                 from /home/ripley/R/Lib32/StanHeaders/include/stan/math/rev/core/var.hpp:7,
                 from /home/ripley/R/Lib32/StanHeaders/include/stan/math/rev/core/gevv_vvv_vari.hpp:5,
                 from /home/ripley/R/Lib32/StanHeaders/include/stan/math/rev/core.hpp:12,
                 from /home/ripley/R/Lib32/StanHeaders/include/stan/math/rev/mat.hpp:4,
                 from /home/ripley/R/Lib32/StanHeaders/include/stan/math.hpp:4,
                 from /home/ripley/R/Lib32/StanHeaders/include/src/stan/model/model_header.hpp:4,
                 from file2cd21064876.cpp:8:
/tmp/RtmpC_aiQl/RLIBS_17517db4204f/BH/include/boost/config/compiler/gcc.hpp:186:0: 
Execution halted