Unable to merge staging

[James]

Hello,

I've cleared out my .lilypond-patchy-cache too. But I cannot force 
patchy to merge staging.

I've not had this error before, I understand what it means but not how 
it happened.

--snip--

08:07:48 (UTC) Begin LilyPond compile, previous commit at 
4b3d078b67a013f65e8c039925207dbff19b3080
08:07:53 Merged staging, now at: 4b3d078b67a013f65e8c039925207dbff19b3080
08:07:54     Success:        ./autogen.sh --noconfigure
08:08:04     Success:        /tmp/lilypond-autobuild/configure 
--disable-optimising
08:08:11     Success:        nice make clean
08:09:28     Success:        nice make -j7 CPU_COUNT=7
08:12:07     Success:        nice make test -j7 CPU_COUNT=7
08:31:42     Success:        nice make doc -j7 CPU_COUNT=7
08:31:49 origin has a newer revision than test-staging, not pushing.

--snip--

Regards

James