[Lilypond-auto] Patchy report from grenouille

[grenouille]

06:00:01 (UTC) Begin LilyPond compile, previous commit at       
d5647c5fd1c38d4124d2374725b923f4901f3661
06:00:20 *** FAILED STEP ***
        merge from translation
        Command '['git', 'merge', '--ff-only', 'local/test-translation']' 
returned non-zero exit status 128
fatal: Not possible to fast-forward, aborting.