/usr/ is in ruby-grape-logging 1.1.2+20150715-2.
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/usr/share/rubygems-integration/all/specifications/grape_logging-1.1.2.gemspec
/usr/share/doc/
/usr/share/doc/ruby-grape-logging/
/usr/share/doc/ruby-grape-logging/copyright
/usr/share/doc/ruby-grape-logging/README.md
/usr/share/doc/ruby-grape-logging/changelog.Debian.gz
/usr/lib/
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/usr/lib/ruby/vendor_ruby/grape_logging/
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/usr/lib/ruby/vendor_ruby/grape_logging/middleware/request_logger.rb
/usr/lib/ruby/vendor_ruby/grape_logging/multi_io.rb
/usr/lib/ruby/vendor_ruby/grape_logging/formatters/
/usr/lib/ruby/vendor_ruby/grape_logging/formatters/default.rb
/usr/lib/ruby/vendor_ruby/grape_logging/version.rb