/usr/ is in tracker-miner-fs 0.16.2-1ubuntu4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/man/man1/tracker-miner-fs.1.gz
/usr/share/doc/
/usr/share/doc/tracker-miner-fs/
/usr/share/man/man1/
/usr/lib/
/usr/lib/tracker/
/usr/lib/tracker/tracker-miner-fs
/usr/share/
/usr/share/tracker/
/usr/share/tracker/miners/
/usr/share/tracker/miners/tracker-miner-files.desktop
/usr/share/tracker/miners/tracker-miner-applications.desktop
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/tracker-miner-fs
/usr/share/man/
/usr/share/doc/tracker-miner-fs/copyright
/usr/share/dbus-1/
/usr/share/dbus-1/services/
/usr/share/dbus-1/services/org.freedesktop.Tracker1.Miner.Files.service
/usr/share/dbus-1/services/org.freedesktop.Tracker1.Miner.Applications.service
/usr/share/doc/tracker-miner-fs/changelog.Debian.gz