/usr/share/common-lisp/systems/drakma.asd is in cl-drakma 2.0.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/common-lisp/systems/../source/drakma/drakma.asd
/usr/share/common-lisp/systems/../source/drakma/drakma.asd