16:35:08 (UTC) Begin LilyPond compile, previous commit at 4c2851d28c0a94a30cc7652b9b0052ce7f0ade7e
16:35:09 *** FAILED STEP ***
merge from staging
Command 'git branch test-master-lock origin/master' returned non-zero
exit status 128
fatal: A branch named 'test-master-lock' already exists.
