/usr/ is in ruby-spider 0.5.0-2.
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/spider/
/usr/lib/ruby/vendor_ruby/spider/included_in_memcached.rb
/usr/lib/ruby/vendor_ruby/spider/next_urls_in_sqs.rb
/usr/lib/ruby/vendor_ruby/spider/robot_rules.rb
/usr/lib/ruby/vendor_ruby/spider/spider_instance.rb
/usr/lib/ruby/vendor_ruby/spider.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-spider/
/usr/share/doc/ruby-spider/AUTHORS
/usr/share/doc/ruby-spider/README.md
/usr/share/doc/ruby-spider/changelog.Debian.gz
/usr/share/doc/ruby-spider/copyright
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/spider-0.32.gemspec