/usr/ is in ruby-mustache 0.99.6-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/rack/bug/
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/rack/
/usr/lib/ruby/vendor_ruby/rack/bug/panels/
/usr/lib/ruby/vendor_ruby/rack/bug/panels/mustache_panel.rb
/usr/lib/ruby/vendor_ruby/rack/bug/panels/mustache_panel/
/usr/lib/ruby/vendor_ruby/rack/bug/panels/mustache_panel/mustache_extension.rb
/usr/lib/ruby/vendor_ruby/rack/bug/panels/mustache_panel/view.mustache
/usr/lib/ruby/vendor_ruby/mustache.rb
/usr/lib/ruby/vendor_ruby/mustache/
/usr/lib/ruby/vendor_ruby/mustache/enumerable.rb
/usr/lib/ruby/vendor_ruby/mustache/parser.rb
/usr/lib/ruby/vendor_ruby/mustache/generator.rb
/usr/lib/ruby/vendor_ruby/mustache/context.rb
/usr/lib/ruby/vendor_ruby/mustache/version.rb
/usr/lib/ruby/vendor_ruby/mustache/sinatra.rb
/usr/lib/ruby/vendor_ruby/mustache/blah.rb
/usr/lib/ruby/vendor_ruby/mustache/template.rb
/usr/lib/ruby/vendor_ruby/mustache/settings.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-mustache/
/usr/share/doc/ruby-mustache/README.md.gz
/usr/share/doc/ruby-mustache/copyright
/usr/share/doc/ruby-mustache/changelog.Debian.gz
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/mustache.1.gz
/usr/share/man/man5/
/usr/share/man/man5/mustache.5.gz
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/mustache-0.99.6.gemspec
/usr/bin/
/usr/bin/mustache