running this command works well
devtools::install_github("cran/alphahull")
running this command
devtools::install_github("cran/rgeos")
encounters error
Downloading GitHub repo cran/rgeos@master from URL https://api.github.com/repos/cran/rgeos/zipball/master Installing rgeos '/usr/lib/R/bin/R' --no-site-file --no-environ --no-save --no-restore --quiet \ CMD INSTALL '/tmp/RtmpwuKfJE/devtools1914dc25bb/cran-rgeos-24a885d' \ --library='/srv/rlibs' --install-tests Installation failed: Command failed (1)
any ideas?