/usr/lib/ruby/ is in ruby-progressbar 1.4.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/ruby-progressbar.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/
/usr/lib/ruby/vendor_ruby/ruby-progressbar/formatter.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/errors/
/usr/lib/ruby/vendor_ruby/ruby-progressbar/errors/invalid_progress_error.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/running_average_calculator.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/components.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/base.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/time.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/format/
/usr/lib/ruby/vendor_ruby/ruby-progressbar/format/molecule.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/format/base.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/length_calculator.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/components/
/usr/lib/ruby/vendor_ruby/ruby-progressbar/components/timer.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/components/estimated_timer.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/components/progressable.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/components/throttle.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/components/elapsed_timer.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/components/bar.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/version.rb
/usr/lib/ruby/vendor_ruby/ruby-progressbar/format.rb