Hi,

You may have to manually cleanup old directories on your buildbot workers. Sorry, I don't know the process how to do that. If someone finds a way, please share it!

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To be able to support multiple similar jobs on the same buildbot worker, the build prefixes have been modified last week: https://github.com/python/buildmaster-config/pull/108

Problem: I didn't expect that, but buildbot doesn't cleanup old directories. So new directories are created, but not the old ones.

Gregory P. Smith's buildbot workers started to fail with "no space left on disk" error. He is using a disk of 10 GB and had to manually remove old directories.

By the way, Gregory also fixed a typo in the CLang UBSan job: https://github.com/python/buildmaster-config/pull/111

Note: I'm kind of disappointed that buildbot is not really "stateless", and doesn't automatically cleanup these old directories.

Victor

Night gathers, and now my watch begins. It shall not end until my death.