/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:22: syntax error, unexpected ':', expecting ')'
      name:        "Node.js (V8)",
           ^
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:22: syntax error, unexpected ',', expecting kEND
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:23: syntax error, unexpected ',', expecting kEND
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:24: syntax error, unexpected ',', expecting kEND
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:26: syntax error, unexpected ')', expecting kEND
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:29: syntax error, unexpected ':', expecting ')'
      name:        "JavaScriptCore",
           ^
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:29: syntax error, unexpected ',', expecting kEND
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:30: syntax error, unexpected ',', expecting kEND
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:32: syntax error, unexpected ')', expecting kEND
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:35: syntax error, unexpected ':', expecting ')'
      name:        "SpiderMonkey",
           ^
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:35: syntax error, unexpected ',', expecting kEND
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:36: syntax error, unexpected ',', expecting kEND
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:37: syntax error, unexpected ',', expecting kEND
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:42: syntax error, unexpected ':', expecting ')'
      name:        "JScript",
           ^
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:42: syntax error, unexpected ',', expecting kEND
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:43: syntax error, unexpected ',', expecting kEND
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:44: syntax error, unexpected ',', expecting kEND
/usr/local/rvm/gems/ruby-1.8.7-p371@test_develop_pr_core-1/gems/execjs-2.1.0/lib/execjs/runtimes.rb:46: syntax error, unexpected ')', expecting kEND

https://github.com/sstephenson/execjs/commit/14748fc69343ed206d5da4c7f94e822732323265