master failed to start, check stderr log for details
[kodemates@Nitro bugs.kodemates.com]$ tail -f /var/log/unicorn.log
        from /usr/local/rvm/gems/ruby-2.0.0-p451/gems/unicorn-4.8.2/lib/unicorn.rb:48:in `eval'
        from /usr/local/rvm/gems/ruby-2.0.0-p451/gems/unicorn-4.8.2/lib/unicorn.rb:48:in `block in builder'
        from /usr/local/rvm/gems/ruby-2.0.0-p451/gems/unicorn-4.8.2/lib/unicorn/http_server.rb:760:in `call'
        from /usr/local/rvm/gems/ruby-2.0.0-p451/gems/unicorn-4.8.2/lib/unicorn/http_server.rb:760:in `build_app!'
        from /usr/local/rvm/gems/ruby-2.0.0-p451/gems/unicorn-4.8.2/lib/unicorn/http_server.rb:137:in `start'
        from /usr/local/rvm/gems/ruby-2.0.0-p451/gems/unicorn-4.8.2/bin/unicorn:126:in `<top (required)>'
        from /usr/local/rvm/gems/ruby-2.0.0-p451/bin/unicorn:23:in `load'
        from /usr/local/rvm/gems/ruby-2.0.0-p451/bin/unicorn:23:in `<main>'
        from /usr/local/rvm/gems/ruby-2.0.0-p451/bin/ruby_executable_hooks:15:in `eval'
        from /usr/local/rvm/gems/ruby-2.0.0-p451/bin/ruby_executable_hooks:15:in `<main>'