/usr/ is in compass-slickmap-plugin 0.5.1.1-5.
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-slickmap/
/usr/lib/ruby/vendor_ruby/compass-slickmap/version.rb
/usr/lib/ruby/vendor_ruby/compass-slickmap.rb
/usr/share/
/usr/share/compass/
/usr/share/compass/frameworks/
/usr/share/compass/frameworks/slickmap/
/usr/share/compass/frameworks/slickmap/stylesheets/
/usr/share/compass/frameworks/slickmap/stylesheets/_slickmap.scss
/usr/share/compass/frameworks/slickmap/templates/
/usr/share/compass/frameworks/slickmap/templates/project/
/usr/share/compass/frameworks/slickmap/templates/project/manifest.rb
/usr/share/compass/frameworks/slickmap/templates/project/sitemap.scss
/usr/share/doc/
/usr/share/doc/compass-slickmap-plugin/
/usr/share/doc/compass-slickmap-plugin/changelog.Debian.gz
/usr/share/doc/compass-slickmap-plugin/copyright
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/compass-slickmap-0.5.1.1.gemspec