/usr/ is in ruby-compass-import-once 1.0.5~dfsg-5.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/compass/
/usr/lib/ruby/vendor_ruby/compass/import-once/
/usr/lib/ruby/vendor_ruby/compass/import-once/VERSION
/usr/lib/ruby/vendor_ruby/compass/import-once/activate.rb
/usr/lib/ruby/vendor_ruby/compass/import-once/engine.rb
/usr/lib/ruby/vendor_ruby/compass/import-once/importer.rb
/usr/lib/ruby/vendor_ruby/compass/import-once/version.rb
/usr/lib/ruby/vendor_ruby/compass/import-once.rb
/usr/lib/ruby/vendor_ruby/compass-import-once.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-compass-import-once/
/usr/share/doc/ruby-compass-import-once/NEWS.Debian.gz
/usr/share/doc/ruby-compass-import-once/README.md
/usr/share/doc/ruby-compass-import-once/TODO.md
/usr/share/doc/ruby-compass-import-once/changelog.Debian.gz
/usr/share/doc/ruby-compass-import-once/copyright
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/compass-import-once-1.0.5.gemspec