/usr/ is in ruby-task-list 1.0.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/task_list-1.0.2.gemspec
/usr/share/doc/
/usr/share/doc/ruby-task-list/
/usr/share/doc/ruby-task-list/copyright
/usr/share/doc/ruby-task-list/changelog.Debian.gz
/usr/share/ruby-task-list/
/usr/share/ruby-task-list/app/
/usr/share/ruby-task-list/app/assets/
/usr/share/ruby-task-list/app/assets/stylesheets/
/usr/share/ruby-task-list/app/assets/stylesheets/task_list.scss
/usr/share/ruby-task-list/app/assets/javascripts/
/usr/share/ruby-task-list/app/assets/javascripts/task_list.coffee
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/task_list/
/usr/lib/ruby/vendor_ruby/task_list/filter.rb
/usr/lib/ruby/vendor_ruby/task_list/summary.rb
/usr/lib/ruby/vendor_ruby/task_list/railtie.rb
/usr/lib/ruby/vendor_ruby/task_list/version.rb
/usr/lib/ruby/vendor_ruby/task_list.rb