> > phantomjs has been installed to /home/rstudio/bin ERROR: Invalid requirement: 'root:staff' The command '/bin/sh -c R -f /tmp/install.R && R --quiet -e "install.packages('webshot'); webshot::install_phantomjs()" && pip3 install -r /tmp/requirements.txt $$ chown root:staff /usr/local/lib/R/site-library' returned a non-zero code: 1 Cleaning up file based variables ERROR: Job failed: exit code 1