/usr/bin/csc -setup-mode -s -host -I /home/amirouche/.cache/chicken-install/optimism -C -I/home/amirouche/.cache/chicken-install/optimism -d1 -O3 optimism.getopt-long.import.scm -o /home/amirouche/.cache/chicken-install/optimism/optimism.getopt-long.import.so installing optimism install: cannot create regular file '/var/lib//chicken/11/optimism.getopt-long.o': Permission denied Error: shell command terminated with nonzero exit code 256 "sh /home/amirouche/.cache/chicken-install/optimism/optimism.install.sh" amirouche@amizen:~$