Merge Request Fail

gistfile1.txt

014-06-18 15:05:29 +0100
Started GET "/tools/clubs-deploy/merge_requests/1/automerge?utf8=%E2%9C%93&merge_commit_message=Merge+branch+%27robots.txt%27+into+%27master%27%0D%0A%0D%0ARobots.Txt%0D%0A%0D%0AAdded+reverse+proxypass+for+robots.txt+in+puppet+apache+template.&should_remove_source_branch=1&commit=Accept+Merge+Request" for 127.0.0.1 at 2014-06-18 15:05:36 +0100
Processing by Projects::MergeRequestsController#automerge as JS
  Parameters: {"utf8"=>"â", "merge_commit_message"=>"Merge branch 'robots.txt' into 'master'\r\n\r\nRobots.Txt\r\n\r\nAdded reverse proxypass for robots.txt in puppet apache template.", "should_remove_source_branch"=>"1", "commit"=>"Accept Merge Request", "project_id"=>"tools/clubs-deploy", "id"=>"1"}

==> /home/git/gitlab/log/githost.log <==
June 18, 2014 15:05 -> ERROR -> Command failed [1]: /usr/bin/git --git-dir=/home/git/gitlab-satellites/tools/clubs-deploy/.git push origin master

remote: /usr/local/rvm/rubies/ruby-2.0.0-p451/lib/ruby/gems/2.0.0/gems/bundler-1.6.0/lib/bundler/dsl.rb:39:in `eval_gemfile': Gemfile syntax error compile error (Bundler::GemfileError)
remote: on line 22: syntax error, unexpected ':', expecting $end
remote: gem "mysql2", group: :mysql
remote:                     ^
remote:         from /usr/local/rvm/rubies/ruby-2.0.0-p451/lib/ruby/gems/2.0.0/gems/bundler-1.6.0/lib/bundler/dsl.rb:10:in `evaluate'
remote:         from /usr/local/rvm/rubies/ruby-2.0.0-p451/lib/ruby/gems/2.0.0/gems/bundler-1.6.0/lib/bundler/definition.rb:26:in `build'
remote:         from /usr/local/rvm/rubies/ruby-2.0.0-p451/lib/ruby/gems/2.0.0/gems/bundler-1.6.0/lib/bundler.rb:153:in `definition'
remote:         from /usr/local/rvm/rubies/ruby-2.0.0-p451/lib/ruby/gems/2.0.0/gems/bundler-1.6.0/lib/bundler.rb:116:in `setup'
remote:         from /usr/local/rvm/rubies/ruby-2.0.0-p451/lib/ruby/gems/2.0.0/gems/bundler-1.6.0/lib/bundler/setup.rb:17
remote: error: hook declined to update refs/heads/master
To /home/git/repositories/tools/clubs-deploy.git
 ! [remote rejected] master -> master (hook declined)
error: failed to push some refs to '/home/git/repositories/tools/clubs-deploy.git'