/usr/share/common-lisp/systems/cl-log.asd is in cl-log 1.0.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/common-lisp/systems/../source/cl-log/cl-log.asd
/usr/share/common-lisp/systems/../source/cl-log/cl-log.asd