Error in re-building vignettes:
  ...
Error in rmultinom(n, size, prob) : NA in probability vector
Error in rmultinomC(n, size, prob) : NAs not allowed in probability
Error in rmultinom(n, size, prob) : no positive probabilities
Error in rmultinomC(n, size, prob) : Not enough positive probabilities
Error : Only CSC, COO and CSR matrices from SciPy are supported.
In file included from /data/gannet/ripley/R/packages/tests-devel/RcppArmadillo.Rcheck/RcppArmadillo/include/RcppArmadillo.h:39,
                 from sparse.cpp:23:
/data/gannet/ripley/R/packages/tests-devel/RcppArmadillo.Rcheck/RcppArmadillo/include/RcppArmadilloSugar.h: In instantiation of ‘Rcpp::List Rcpp::simple_triplet_matrix(const arma::SpMat<eT>&) [with T = double; Rcpp::List = Rcpp::Vector<19>]’:
sparse.cpp:31:65:   required from here
/data/gannet/ripley/R/packages/tests-devel/RcppArmadillo.Rcheck/RcppArmadillo/include/RcppArmadilloSugar.h:43:29: warning: comparison of integer expressions of different signedness: ‘int’ and ‘const uword’ {aka ‘const unsigned int’} [-Wsign-compare]
     for (int cp=1, ie=0; ie < sm.n_nonzero; ie++) {
                          ~~~^~~~~~~~~~~~~~
/data/gannet/ripley/R/packages/tests-devel/RcppArmadillo.Rcheck/RcppArmadillo/include/RcppArmadilloSugar.h:44:34: warning: comparison of integer expressions of different signedness: ‘int’ and ‘const uword’ {aka ‘const unsigned int’} [-Wsign-compare]
         for (; p[cp] <= ie && cp < sm.n_cols; cp++)
                               ~~~^~~~~~~~~~~
dimnames(.) <- NULL:  translated to 
dimnames(.) <- list(NULL,NULL)  <==>  unname(.)
dimnames(.) <- NULL:  translated to 
dimnames(.) <- list(NULL,NULL)  <==>  unname(.)
Error in asSpMat(lm) : lgCMatrix is not supported.
Error in asSpMat(L) : lgTMatrix is not supported.
dimnames(.) <- NULL:  translated to 
dimnames(.) <- list(NULL,NULL)  <==>  unname(.)
Error in asSpMat(nm) : ngCMatrix is not supported.
Error in asSpMat(ngt) : ngTMatrix is not supported.
Error in asSpMat(nM) : ntTMatrix is not supported.
Error in asSpMat(nsc) : nsCMatrix is not supported.
Error in asSpMat(ldi) : ldiMatrix is not supported.
Error in texi2dvi(file = file, pdf = TRUE, clean = clean, quiet = quiet,  : 
  Running 'texi2dvi' on 'RcppArmadillo-unitTests.tex' failed.
LaTeX errors:
! LaTeX Error: File `vmargin.sty' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: sty)

! Emergency stop.
<read *> 
         
l.7 \setmargrb
              {0.75in}{0.75in}{0.75in}{0.75in}^^M
!  ==> Fatal error occurred, no output PDF file produced!
Calls: buildVignettes -> texi2pdf -> texi2dvi
Execution halted