Error in re-building vignettes:
  ...
* installing *source* package ‘pulver’ ...
** libs
make[1]: Entering directory '/tmp/RtmpCIWdGQ/devtools3d047b0d0d56/smolnos-pulver-9c63a31/src'
clang++-5.0 -std=c++98 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include" -I/usr/local/include  -fopenmp -fpic  -g -O3 -Wall -pedantic -mtune=native -c RcppExports.cpp -o RcppExports.o
clang++-5.0 -std=c++98 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include" -I/usr/local/include  -fopenmp -fpic  -g -O3 -Wall -pedantic -mtune=native -c partial_result.cpp -o partial_result.o
clang++-5.0 -std=c++98 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include" -I/usr/local/include  -fopenmp -fpic  -g -O3 -Wall -pedantic -mtune=native -c pulver.cpp -o pulver.o
clang++-5.0 -std=c++98 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include" -I/usr/local/include  -fopenmp -fpic  -g -O3 -Wall -pedantic -mtune=native -c result.cpp -o result.o
clang++-5.0 -std=c++98 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include" -I/usr/local/include  -fopenmp -fpic  -g -O3 -Wall -pedantic -mtune=native -c storage.cpp -o storage.o
clang++-5.0 -std=c++98 -shared -L/home/hornik/tmp/R.check/r-devel-clang/Work/build/lib -Wl,-O1 -o pulver.so RcppExports.o partial_result.o pulver.o result.o storage.o -fopenmp -L/home/hornik/tmp/R.check/r-devel-clang/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpCIWdGQ/devtools3d047b0d0d56/smolnos-pulver-9c63a31/src'
make[1]: Entering directory '/tmp/RtmpCIWdGQ/devtools3d047b0d0d56/smolnos-pulver-9c63a31/src'
make[1]: Leaving directory '/tmp/RtmpCIWdGQ/devtools3d047b0d0d56/smolnos-pulver-9c63a31/src'
installing to /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/pulver/libs
** R
** inst
** tests
** preparing package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded
* DONE (pulver)
Quitting from lines 116-118 (pulver.Rmd) 
Error: processing vignette ‘pulver.Rmd’ failed with diagnostics:
Matrices do not have identical row names.
Execution halted