Hey Pants Team, we've been recently seeing this error when running pants in our CI:

thread panicked while processing panic. aborting.

It seems to happen randomly and not sure how to reproduce. Has anyone seen this before? (using pants version

2.5.0

)

Yes: https://github.com/pantsbuild/pants/issues/11926 We're still hunting this down.

Ahh okay good to know that's related. We recently disabled

pantsd

because we were getting that nailgun client error.

The nailgun client error is noise masking any unexpected death of pantsd. We have 2 major known classes of that: 1. Pantsd (even just plain Pants) gets killed for too much memory use with remote cache turned on: fixed in 2.5.1rc0: https://pypi.org/project/pantsbuild.pants/2.5.1rc0/ 2. The Panicked while processing panic unknown you just hit.

Disabling Pantsd also might not make a difference. It only changes the wording of the error message here, at least that's our hypothesis

got it thanks for sharing. Let me know if there's anything we can provide to help with the investigation.