Gitlab with rvm problem when pushing

gistfile1.txt

git -c diff.mnemonicprefix=false -c core.quotepath=false -c credential.helper=sourcetree push -v --tags origin master:master 
Pushing to http://gitlab01.vm.super-visions.com/root/puppetlabs-mysql.git
POST git-receive-pack (424 bytes)
remote: /usr/local/rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.5.2/lib/bundler/dsl.rb:33:in `eval_gemfile': Gemfile syntax error: (Bundler::GemfileError)        
remote: /home/git/gitlab/Gemfile:20: syntax error, unexpected ':', expecting $end        
remote: gem "mysql2", group: :mysql        
remote:                     ^        
remote: 	from /usr/local/rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.5.2/lib/bundler/dsl.rb:9:in `evaluate'        
remote: 	from /usr/local/rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.5.2/lib/bundler/definition.rb:26:in `build'        
remote: 	from /usr/local/rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.5.2/lib/bundler.rb:152:in `definition'        
remote: 	from /usr/local/rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.5.2/lib/bundler.rb:115:in `setup'        
remote: 	from /usr/local/rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.5.2/lib/bundler/setup.rb:17        
remote: error: hook declined to update refs/heads/master        
To http://gitlab01.vm.super-visions.com/root/puppetlabs-mysql.git
 = [up to date]      0.2.0 -> 0.2.0
 = [up to date]      0.3.0 -> 0.3.0
 = [up to date]      0.4.0 -> 0.4.0
 = [up to date]      0.5.0 -> 0.5.0
 = [up to date]      0.6.0 -> 0.6.0
 = [up to date]      0.6.1 -> 0.6.1
 = [up to date]      0.7.0 -> 0.7.0
 = [up to date]      0.8.0 -> 0.8.0
 = [up to date]      0.8.1 -> 0.8.1
 = [up to date]      0.9.0 -> 0.9.0
 = [up to date]      1.0.0 -> 1.0.0
 = [up to date]      2.0.0-rc1 -> 2.0.0-rc1
 = [up to date]      2.0.1-rc1 -> 2.0.1-rc1
 = [up to date]      2.1.0 -> 2.1.0
 = [up to date]      v0.0.1 -> v0.0.1
 ! [remote rejected] master -> master (hook declined)
error: failed to push some refs to 'http://gitlab01.vm.super-visions.com/root/puppetlabs-mysql.git'
Completed with errors, see above