did you re-trigger the job? there are actually two failed aftifacts for that change.
The point is that if you fail even one of the build-artifacts jobs that CQ will not even start to run on your change since we expect the build-artifacts you selected for your project to pass.
I think that what Eyal meant on the check-patch job is that if you want to integrate a new distro you should probably stabilize it first and a good way of doing it is not to add it to your build-artifacts job bit treat it as an independent job that would be run on check-patch.
that way, you can find the failures on check-patch, and if you cannot fix them you can still decide to merge the patch and it would not to run CQ on your patch since the build-artifacts is not in your required artifacts list.