> git push -u origin master

 To ******.git

  ! [rejected]        master -> master (non-fast-forward)

 error: failed to push some refs to '*******.git'

 hint: Updates were rejected because the tip of your current branch is behind

 hint: its remote counterpart. Integrate the remote changes (e.g.

 hint: 'git pull ...') before pushing again.

 hint: See the 'Note about fast-forwards' in 'git push --help' for details.