/build/ruby-marcel/src/marcel-1.0.2/test/test_helper.rb:35: warning: assigned but unused variable - extension /build/ruby-marcel/src/marcel-1.0.2/test/mime_type_test.rb:22: warning: assigned but unused variable - content_type Run options: --seed 23709 # Running: .....................................................................................................................................................................................................................................................................................................................................................................E... Finished in 0.070407s, 5127.3483 runs/s, 5169.9578 assertions/s. 1) Error: Marcel::MimeTypeTest#test_gets_content_type_from_sources_that_conform_to_Rack::Lint::InputWrapper: NameError: uninitialized constant Rack::Lint::InputWrapper /build/ruby-marcel/src/marcel-1.0.2/test/mime_type_test.rb:43:in `block in ' 361 runs, 364 assertions, 0 failures, 1 errors, 0 skips rake aborted! Command failed with status (1) Tasks: TOP => test (See full trace by running task with --trace) ==> ERROR:(B A failure occurred in check().(B  Aborting...(B