```
[integration-zuul-layoutvalidation] $ /bin/bash -xe /tmp/hudson1956706006221931851.sh
+ /usr/bin/zuul-server -c /dev/fd/63 -l /mnt/jenkins-workspace/workspace/integration-zuul-layoutvalidation/zuul/layout.yaml
++ echo '[zuul]'
Traceback (most recent call last):
File "/usr/bin/zuul-server", line 10, in <module>
sys.exit(main())
File "/usr/share/python/zuul/local/lib/python2.7/site-packages/zuul/cmd/server.py", line 249, in main
with daemon.DaemonContext(pidfile=pid):
File "/usr/share/python/zuul/local/lib/python2.7/site-packages/daemon/daemon.py", line 394, in __enter__
self.open()
File "/usr/share/python/zuul/local/lib/python2.7/site-packages/daemon/daemon.py", line 370, in open
change_process_owner(self.uid, self.gid, self.initgroups)
File "/usr/share/python/zuul/local/lib/python2.7/site-packages/daemon/daemon.py", line 642, in change_process_owner
raise error
daemon.daemon.DaemonOSEnvironmentError: Unable to change process owner ([Errno 1] Operation not permitted)
```
python-daemon 2.1.0 got released today and breaks :-(