Gem files will remain installed in /home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/eventmachine-0.12.10 for inspection.
Results logged to /home/gitlab/gitlab/vendor/bundle/ruby/1.9.1/gems/eventmachine-0.12.10/ext/gem_make.out
An error occured while installing eventmachine (0.12.10), and Bundler cannot continue.
Make sure that `gem install eventmachine -v '0.12.10'` succeeds before bundling.
gitlab@gitlab:~/gitlab$ gem list|grep -i event
eventmachine (1.0.0.rc.4, 0.12.10)