[dss-merge-requests] Dev build failure

[oebuild at builder.localdomain]

>From ssh://git.digitalstrom.org:16022/dss-oe/dss-oe
   cf373f5..6823ec1  master     -> origin/master
fatal: Unable to create '/mnt/vg1-oebuild/dss-oe/.git/index.lock': File exists.

If no other git process is currently running, this probably means a
git process crashed in this repository earlier. Make sure no other git
process is running and remove the file manually to continue.
Updating cf373f5..6823ec1
[Wed Apr 15 14:30:05 CEST 2020] Preparation for dev build failed