/usr/lib/ is in libbunny-ruby1.9.1 0.6.2-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/
/usr/lib/ruby/1.9.1/
/usr/lib/ruby/1.9.1/bunny.rb
/usr/lib/ruby/1.9.1/bunny/
/usr/lib/ruby/1.9.1/bunny/channel08.rb
/usr/lib/ruby/1.9.1/bunny/channel09.rb
/usr/lib/ruby/1.9.1/bunny/client08.rb
/usr/lib/ruby/1.9.1/bunny/client09.rb
/usr/lib/ruby/1.9.1/bunny/exchange08.rb
/usr/lib/ruby/1.9.1/bunny/exchange09.rb
/usr/lib/ruby/1.9.1/bunny/queue08.rb
/usr/lib/ruby/1.9.1/bunny/queue09.rb
/usr/lib/ruby/1.9.1/bunny/subscription08.rb
/usr/lib/ruby/1.9.1/bunny/subscription09.rb
/usr/lib/ruby/1.9.1/qrack/
/usr/lib/ruby/1.9.1/qrack/channel.rb
/usr/lib/ruby/1.9.1/qrack/client.rb
/usr/lib/ruby/1.9.1/qrack/qrack08.rb
/usr/lib/ruby/1.9.1/qrack/qrack09.rb
/usr/lib/ruby/1.9.1/qrack/queue.rb
/usr/lib/ruby/1.9.1/qrack/subscription.rb
/usr/lib/ruby/1.9.1/qrack/protocol/
/usr/lib/ruby/1.9.1/qrack/protocol/protocol08.rb
/usr/lib/ruby/1.9.1/qrack/protocol/protocol09.rb
/usr/lib/ruby/1.9.1/qrack/protocol/spec08.rb
/usr/lib/ruby/1.9.1/qrack/protocol/spec09.rb
/usr/lib/ruby/1.9.1/qrack/transport/
/usr/lib/ruby/1.9.1/qrack/transport/buffer08.rb
/usr/lib/ruby/1.9.1/qrack/transport/buffer09.rb
/usr/lib/ruby/1.9.1/qrack/transport/frame08.rb
/usr/lib/ruby/1.9.1/qrack/transport/frame09.rb