[Lilypond-auto] Patchy report from grenouille

[grenouille]

05:54:45 (UTC) Begin LilyPond compile, previous commit at       
f374fa12dd5dd745d8e60afce450b3056c274906
05:55:02 Merged staging, now at:        f1baa2d2047dfc44ae7b339cbd64dafc5aebf5ef
05:55:02 *** FAILED STEP ***
        merge from staging
        Command '['git', 'push', 'local', 'test-staging']' returned non-zero 
exit status 128
fatal: Unable to create 
'/tmp/lilypond-staging/.git/refs/remotes/local/test-staging.lock': Permission 
denied