/usr/ is in ruby-autoprefixer-rails 6.3.3.1-1.
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/rake/
/usr/lib/ruby/vendor_ruby/rake/autoprefixer_tasks.rb
/usr/lib/ruby/vendor_ruby/autoprefixer-rails.rb
/usr/lib/ruby/vendor_ruby/autoprefixer-rails/
/usr/lib/ruby/vendor_ruby/autoprefixer-rails/result.rb
/usr/lib/ruby/vendor_ruby/autoprefixer-rails/railtie.rb
/usr/lib/ruby/vendor_ruby/autoprefixer-rails/sprockets.rb
/usr/lib/ruby/vendor_ruby/autoprefixer-rails/processor.rb
/usr/lib/ruby/vendor_ruby/autoprefixer-rails/version.rb
/usr/share/
/usr/share/ruby-autoprefixer-rails/
/usr/share/ruby-autoprefixer-rails/vendor/
/usr/share/ruby-autoprefixer-rails/vendor/autoprefixer.js
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/autoprefixer-rails-6.3.3.1.gemspec
/usr/share/doc/
/usr/share/doc/ruby-autoprefixer-rails/
/usr/share/doc/ruby-autoprefixer-rails/copyright
/usr/share/doc/ruby-autoprefixer-rails/changelog.Debian.gz