Bizarre CI Failure

[Patrick Venture]

https://gerrit.openbmc-project.xyz/18327 is failing:

07:17:43 /home/jenkins-op/workspace/openbmc-repository-ci/openbmc/openpower-debug-collector
> make -j 80 -l 80 -O
07:17:43 cp: cannot create regular file
'/usr/local/share/phosphor-dbus-yaml/yaml/org/open_power/Host/Boot.errors.yaml':
Permission denied
07:17:43 Makefile:1067: recipe for target
'phosphor-logging/elog-errors.hpp' failed
07:17:43 make: *** [phosphor-logging/elog-errors.hpp] Error 1
07:17:43 make: *** Waiting for unfinished jobs....
07:17:43 /usr/local/bin/sdbus++ -r . error exception-cpp
org.open_power.Host.Boot> org/open_power/Host/Boot/error.cpp
07:17:43 /usr/local/bin/sdbus++ -r . error exception-header
org.open_power.Host.Boot> org/open_power/Host/Boot/error.hpp
07:17:43 Traceback (most recent call last):
07:17:43   File
"/home/jenkins-op/workspace/openbmc-repository-ci/openbmc/unit-test.py",
line 796, in <module>
07:17:43     build_and_install(UNIT_TEST_PKG, True)
07:17:43   File
"/home/jenkins-op/workspace/openbmc-repository-ci/openbmc/unit-test.py",
line 447, in build_and_install
07:17:43     check_call_cmd(*make_parallel)
07:17:43   File
"/home/jenkins-op/workspace/openbmc-repository-ci/openbmc/unit-test.py",
line 229, in check_call_cmd
07:17:43     check_call(cmd)
07:17:43   File "/usr/lib/python2.7/subprocess.py", line 190, in check_call
07:17:43     raise CalledProcessError(retcode, cmd)
07:17:43 subprocess.CalledProcessError: Command '('make', '-j', '80',
'-l', '80', '-O')' returned non-zero exit status 2
07:17:43 Traceback (most recent call last):
07:17:43   File
"/home/jenkins-op/workspace/openbmc-repository-ci/openbmc/dbus-unit-test.py",
line 91, in <module>
07:17:43     check_call(UNIT_TEST.split(','), env=os.environ)
07:17:43   File "/usr/lib/python2.7/subprocess.py", line 190, in check_call
07:17:43     raise CalledProcessError(retcode, cmd)
07:17:43 subprocess.CalledProcessError: Command
'['/home/jenkins-op/workspace/openbmc-repository-ci/openbmc/unit-test.py',
'-w', '/home/jenkins-op/workspace/openbmc-repository-ci/openbmc',
'-p', 'openpower-debug-collector', '-b', 'master', '-v']' returned
non-zero exit status 1
07:17:44 Build step 'Execute shell' marked build as failure
07:17:44 Set build name.
07:17:44 New build name is '#25702-Patrick Venture'
07:17:47 Finished: FAILURE

It works fine when I run the CI on my local system (using the same
scripts).  I even purged all my docker images this morning and re-ran
it.  Wow, that takes a while to build up, but then it was still fine.
Any thoughts?  My immediate reaction is that it could be a permissions
issue...

Patrick