heroku创建错误，rails 2.3.8

Question

我在Windows XP上运行rails 2.3.8并尝试第一次在Heroku上部署。一切都在开发中很好但是当我做heroku create时，我会得到以下任何想法？感谢。

C:/Ruby/lib/ruby/gems/1.8/gems/rest-client-1.6.1/lib/restclient/abstract_response.rb:50: warning: parenthesize argument(s) for future version
C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command/base.rb:130:in `extract_description': wrong argument type Symbol (expected Proc) (TypeError)
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command/base.rb:126:in `extract_summary'
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command/base.rb:64:in `method_added'
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command/addons.rb:14
        from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
        from C:/Ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command.rb:17:in `load'
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command.rb:16:in `each'
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/lib/heroku/command.rb:16:in `load'
        from C:/Ruby/lib/ruby/gems/1.8/gems/heroku-2.1.4/bin/heroku:13
        from C:/Ruby/bin/heroku:19:in `load'
        from C:/Ruby/bin/heroku:19