$ rbx -S rake spec
(in /Users/epall/Dropbox/programming/tracks)
An exception occurred running /usr/local/rubinius/gems/1.8/gems/rspec-1.2.9/bin/spec
    Object is not missing constant Undefined! (ArgumentError)

Backtrace:
  ActiveSupport::Dependencies(Module)#load_missing_constant at vendor/rails/activesupport/lib/active_support/dependencies.rb:417
  Module(Class)#const_missing (const_missing_with_dependencies) at vendor/rails/activesupport/lib/active_support/dependencies.rb:80
  ActiveSupport::Dependencies::ClassConstMissing(Class)#const_missing at vendor/rails/activesupport/lib/active_support/dependencies.rb:92
     Module(Class)#recursive_const_get at kernel/common/module.rb:648
               Module(Class)#const_get at kernel/common/module.rb:483
            ObjectSpace.each_object {} at kernel/common/objectspace.rb:33
           Enumerable(Array)#inject {} at kernel/common/enumerable.rb:242
                            Array#each at kernel/bootstrap/array.rb:156
              Enumerable(Array)#inject at kernel/common/enumerable.rb:238
            ObjectSpace.each_object {} at kernel/common/objectspace.rb:31
            ObjectSpace.recursive_loop at kernel/common/objectspace.rb:96
               ObjectSpace.each_object at kernel/common/objectspace.rb:40
                       main.__script__ at /usr/local/rubinius/gems/1.8/gems/ZenTest-4.2.1/lib/zentest.rb:3
    Rubinius::CompiledMethod#as_script at kernel/common/compiled_method.rb:230
           Requirer::Utils.single_load at kernel/delta/requirer.rb:251
       Requirer::Utils.unified_load {} at kernel/delta/requirer.rb:137
                            Array#each at kernel/bootstrap/array.rb:156
          Requirer::Utils.unified_load at kernel/delta/requirer.rb:102
  Kernel(Rails::GemDependency)#gem_original_require (require) at kernel/common/kernel.rb:725
  Kernel(Rails::GemDependency)#require at lib/rubygems/custom_require.rb:31
  ActiveSupport::Dependencies::Loadable(Rails::GemDependency)#require at vendor/rails/activesupport/lib/active_support/dependencies.rb:158
             Rails::GemDependency#load at vendor/rails/railties/lib/rails/gem_dependency.rb:208
       Rails::Initializer#load_gems {} at vendor/rails/railties/lib/initializer.rb:307
                            Array#each at kernel/bootstrap/array.rb:156
          Rails::Initializer#load_gems at vendor/rails/railties/lib/initializer.rb:307
            Rails::Initializer#process at vendor/rails/railties/lib/initializer.rb:169
                Rails::Initializer.run at vendor/rails/railties/lib/initializer.rb:113
                       main.__script__ at config/environment.rb:17
    Rubinius::CompiledMethod#as_script at kernel/common/compiled_method.rb:230
           Requirer::Utils.single_load at kernel/delta/requirer.rb:251
          Requirer::Utils.unified_load at kernel/delta/requirer.rb:95
                Kernel(Object)#require at kernel/common/kernel.rb:725
                       main.__script__ at spec/spec_helper.rb:4
    Rubinius::CompiledMethod#as_script at kernel/common/compiled_method.rb:230
           Requirer::Utils.single_load at kernel/delta/requirer.rb:251
          Requirer::Utils.unified_load at kernel/delta/requirer.rb:95
                Kernel(Object)#require at kernel/common/kernel.rb:725
                       main.__script__ at spec/models/todo_spec.rb:1
    Rubinius::CompiledMethod#as_script at kernel/common/compiled_method.rb:230
           Requirer::Utils.single_load at kernel/delta/requirer.rb:251
       Requirer::Utils.unified_load {} at kernel/delta/requirer.rb:137
                            Array#each at kernel/bootstrap/array.rb:156
          Requirer::Utils.unified_load at kernel/delta/requirer.rb:102
  Kernel(Spec::Runner::ExampleGroupRunner)#load at kernel/common/kernel.rb:675
  Spec::Runner::ExampleGroupRunner#load_files {} at /usr/local/rubinius/gems/1.8/gems/rspec-1.2.9/lib/spec/runner/example_group_runner.rb:15
                            Array#each at kernel/bootstrap/array.rb:156
  Spec::Runner::ExampleGroupRunner#load_files at /usr/local/rubinius/gems/1.8/gems/rspec-1.2.9/lib/spec/runner/example_group_runner.rb:14
    Spec::Runner::Options#run_examples at /usr/local/rubinius/gems/1.8/gems/rspec-1.2.9/lib/spec/runner/options.rb:132
         Spec::Runner::CommandLine.run at /usr/local/rubinius/gems/1.8/gems/rspec-1.2.9/lib/spec/runner/command_line.rb:9
                       main.__script__ at /usr/local/rubinius/gems/1.8/gems/rspec-1.2.9/bin/spec:5
    Rubinius::CompiledMethod#as_script at kernel/common/compiled_method.rb:230
           Requirer::Utils.single_load at kernel/delta/requirer.rb:251
   Requirer::Utils.load_from_extension at kernel/delta/requirer.rb:336
               Rubinius::Loader#script at kernel/loader.rb:376
                 Rubinius::Loader#main at kernel/loader.rb:485
                     Object#__script__ at kernel/loader.rb:489
rake aborted!
Command /usr/local/rubinius/bin/rbx -I"lib"  "/usr/local/rubinius/gems/1.8/gems/rspec-1.2.9/bin/spec" "spec/controllers/projects_controller_spec.rb" "spec/controllers/todos_controller_spec.rb" "spec/models/context_spec.rb" "spec/models/message_gateway_spec.rb" "spec/models/todo_spec.rb" "spec/models/user_spec.rb" "spec/views/login/login_mobile.html.erb_spec.rb" "spec/views/notes/_notes.rhtml_spec.rb" "spec/views/todos/_toggle_notes.rhtml_spec.rb" --options "/Users/epall/Dropbox/programming/tracks/spec/spec.opts" failed

(See full trace by running task with --trace)
rbx -S rake spec  62.05s user 3.05s system 128% cpu 50.786 total
cepall@Swan:programming/tracks
$                                                                                                                                                                     [git:master]