gistfile1.txt

~/Development/rubinius ☃〠 ruby -v
rubinius 2.0.0dev (1.8.7 c35e7f67 yyyy-mm-dd JI) [x86_64-apple-darwin11.3.0]
~/Development/rubinius ☃〠 gem -X19 install json
Fetching: json-1.6.5.gem (100%)
Building native extensions.  This could take a while...
Successfully installed json-1.6.5
1 gem installed
~/Development/rubinius ☃〠 ruby -rubygems -rjson
An exception occurred requiring command line files
    undefined class or module Encoding (ArgumentError)

Backtrace:
  Rubinius::NativeMethod.load_extension at kernel/common/native_method.rb:45
     Rubinius::CodeLoader#load_library at kernel/delta/codeloader.rb:183
          Rubinius::CodeLoader#require at kernel/common/codeloader.rb:126
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:201
  Kernel(Module)#gem_original_require (require) at kernel/common/kernel.rb:627
               Kernel(Module)#require at /Users/john/.rvm/rubies/rbx-head/lib
                                         /rubygems/custom_require.rb:36
      JSON::Ext.__module_init__ (Ext) at /Users/john/.rvm/gems/rbx-head/gems
                                         /json-1.6.5/lib/json/ext.rb:13
          JSON.__module_init__ (JSON) at /Users/john/.rvm/gems/rbx-head/gems
                                         /json-1.6.5/lib/json/ext.rb:12
                    Object#__script__ at /Users/john/.rvm/gems/rbx-head/gems
                                         /json-1.6.5/lib/json/ext.rb:9
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:207
  Kernel(Module)#gem_original_require (require) at kernel/common/kernel.rb:627
               Kernel(Module)#require at /Users/john/.rvm/rubies/rbx-head/lib
                                         /rubygems/custom_require.rb:36
          JSON.__module_init__ (JSON) at /Users/john/.rvm/gems/rbx-head/gems
                                         /json-1.6.5/lib/json.rb:58
                    Object#__script__ at /Users/john/.rvm/gems/rbx-head/gems
                                         /json-1.6.5/lib/json.rb:54
          Rubinius::CodeLoader.require at kernel/common/codeloader.rb:207
  Kernel(Rubinius::Loader)#gem_original_require (require) at kernel/common/kernel.rb:627
     Kernel(Rubinius::Loader)#require at /Users/john/.rvm/rubies/rbx-head/lib
                                         /rubygems/custom_require.rb:59
      { } in Rubinius::Loader#requires at kernel/loader.rb:585
                            Array#each at kernel/bootstrap/array.rb:68
             Rubinius::Loader#requires at kernel/loader.rb:585
                 Rubinius::Loader#main at kernel/loader.rb:834