Template:Rejected ff

git push origin HEAD:you_remote_branch_name
To bitbucket.org:your_org/you_repo.git
 ! [rejected]        HEAD -> you_remote_branch_name (non-fast-forward)
error: failed to push some refs to 'bitbucket.org:your_org/your_repo.git' 
hint: Updates were rejected because a pushed branch tip is behind its remote
hint: counterpart. Check out this branch and integrate the remote changes
hint: (e.g. 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.
➜  your_repo git:(95bace6)