/usr/ is in mercurial-server 1.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/mercurial-server/html/
/usr/share/
/usr/share/mercurial-server/
/usr/share/mercurial-server/init/
/usr/share/mercurial-server/init/hginit
/usr/share/mercurial-server/init/dot-mercurial-server
/usr/share/mercurial-server/init/hgadmin-hgrc
/usr/share/mercurial-server/mercurialserver/
/usr/share/mercurial-server/mercurialserver/__init__.py
/usr/share/mercurial-server/mercurialserver/access.py
/usr/share/mercurial-server/mercurialserver/changes.py
/usr/share/mercurial-server/mercurialserver/config.py
/usr/share/mercurial-server/mercurialserver/refreshauth.py
/usr/share/mercurial-server/mercurialserver/ruleset.py
/usr/share/mercurial-server/mercurialserver/servelog.py
/usr/share/mercurial-server/hg-ssh
/usr/share/mercurial-server/refresh-auth
/usr/share/mercurial-server/mercurial_server-1.1.egg-info
/usr/share/doc/
/usr/share/doc/mercurial-server/
/usr/share/doc/mercurial-server/README
/usr/share/doc/mercurial-server/html/index.html
/usr/share/doc/mercurial-server/copyright
/usr/share/doc/mercurial-server/changelog.Debian.gz
/usr/share/doc-base/
/usr/share/doc-base/mercurial-server
/usr/share/python-support/
/usr/share/python-support/mercurial-server.private