Cloud Build in Maintenance?

I haven’t been able to successfully build anything in the last day. All my builds are automatically being cancelled after about 2.5hrs of waiting.

Latest warning:
10801: /BUILD_PATH/.rvm/gems/ruby-2.1.1/gems/bvr-1.8.2/lib/bvr/project.rb:438:in `publish_build’: Could not find .release.yaml in archive path. (RuntimeError)

Is Cloud build undergoing some kind of maintenance? Everything was fine yesterday.

Seems to only affect Android builds. iOS builds fine.