rubnius error output vs rails 3 app

gistfile1.txt

trapni@shougar ~/projects/ialu $ rails s
WARNING: This version of mysql2 (0.3.2) doesn't ship with the ActiveRecord adapter bundled anymore as it's now part of Rails 3.1
WARNING: Please use the 0.2.x releases if you plan on using it in Rails <= 3.0.x
An exception occurred running script/rails
    method 'const_defined?': given 2, expected 1 (ArgumentError)

Backtrace:
 { } in ActiveSupport::Inflector(Module)#constantize at /home/trapni/.rvm/gems
                                                        /rbx-head/gems                                          
                                                        /activesupport-3.0.7/lib                                
                                                        /active_support                                         
                                                        /inflector                                              
                                                        /methods.rb:124                                         
                            Array#each at kernel/bootstrap/array.rb:76
 ActiveSupport::Inflector(Module)#constantize at /home/trapni/.rvm/gems/rbx-head
                                                 /gems/activesupport-3.0.7/lib
                                                 /active_support/inflector
                                                 /methods.rb:123
  { } in ActiveSupport::Dependencies::WatchStack#watch_namespaces at \
          /home/trapni/.rvm/gems/rbx-head/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:128
                             Array#map at kernel/bootstrap/array.rb:97
  ActiveSupport::Dependencies::WatchStack#watch_namespaces at \
          /home/trapni/.rvm/gems/rbx-head/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:125
 ActiveSupport::Dependencies(Module)#new_constants_in at /home/trapni/.rvm/gems
                                                         /rbx-head/gems
                                                         /activesupport-3.0.7
                                                         /lib/active_support
                                                         /dependencies.rb:592
  ActiveSupport::Dependencies::Loadable(Object)#load_dependency at \
          /home/trapni/.rvm/gems/rbx-head/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:225
 ActiveSupport::Dependencies::Loadable(Object)#require at /home/trapni/.rvm/gems
                                                          /rbx-head/gems
                                                          /activesupport-3.0.7
                                                          /lib/active_support
                                                          /dependencies.rb:239
                    Object#__script__ at /home/trapni/.rvm/gems
                                                   /rbx-head/gems
                                                   /actionpack-3.0.7/lib
                                                   /abstract_controller
                                                   /base.rb:3
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:144
                         Autoload#call at kernel/common/autoload.rb:29
 ActionController.__module_init__ (ActionController) at /home/trapni/.rvm/gems
                                                        /rbx-head/gems
                                                        /actionpack-3.0.7/lib
                                                        /action_controller
                                                        /metal.rb:52
                    Object#__script__ at /home/trapni/.rvm/gems
                                                   /rbx-head/gems
                                                   /actionpack-3.0.7/lib
                                                   /action_controller/metal.rb:5
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:144
                         Autoload#call at kernel/common/autoload.rb:29
 ActionController.__module_init__ (ActionController) at /home/trapni/.rvm/gems
                                                        /rbx-head/gems
                                                        /actionpack-3.0.7/lib
                                                        /action_controller
                                                        /base.rb:169
                    Object#__script__ at /home/trapni/.rvm/gems
                                                   /rbx-head/gems
                                                   /actionpack-3.0.7/lib
                                                   /action_controller/base.rb:3
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:144
                         Autoload#call at kernel/common/autoload.rb:29
                    Object#__script__ at /home/trapni/.rvm/gems
                                                   /rbx-head/gems
                                                   /recaptcha-0.3.1/lib
                                                   /recaptcha/rails.rb:4
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:144
                        Kernel.require at kernel/common/kernel.rb:783
      { } in Bundler::Runtime#require at /home/trapni/.rvm/gems/rbx-head/gems
                                         /bundler-1.0.13/lib/bundler
                                         /runtime.rb:68
                            Array#each at kernel/bootstrap/array.rb:76
      { } in Bundler::Runtime#require at /home/trapni/.rvm/gems/rbx-head/gems
                                         /bundler-1.0.13/lib/bundler
                                         /runtime.rb:66
                            Array#each at kernel/bootstrap/array.rb:76
             Bundler::Runtime#require at /home/trapni/.rvm/gems/rbx-head/gems
                                         /bundler-1.0.13/lib/bundler
                                         /runtime.rb:55
                      Bundler.require at /home/trapni/.rvm/gems/rbx-head/gems
                                         /bundler-1.0.13/lib/bundler.rb:120
                     Object#__script__ at config/application.rb:7
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:144
                Kernel(Object)#require at kernel/common/kernel.rb:783
             { } in Object#__script__ at /home/trapni/.rvm/gems/rbx-head/gems
                                         /railties-3.0.7/lib/rails
                                         /commands.rb:28
             Kernel(Rails::Server)#tap at kernel/common/kernel.rb:356
                    Object#__script__ at /home/trapni/.rvm/gems
                                                   /rbx-head/gems/railties-3.0.7
                                                   /lib/rails/commands.rb:27
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:144
                Kernel(Object)#require at kernel/common/kernel.rb:783
                     Object#__script__ at script/rails:6
      Rubinius::CodeLoader#load_script at kernel/delta/codeloader.rb:65
      Rubinius::CodeLoader.load_script at kernel/delta/codeloader.rb:90
               Rubinius::Loader#script at kernel/loader.rb:591
                 Rubinius::Loader#main at kernel/loader.rb:721
                 Rubinius::Loader.main at kernel/loader.rb:760
                     Object#__script__ at kernel/loader.rb:771