@bored-art-40741: hi Patrick, I am from Twitter's CI team. We had an issue when multiple Pants instances on one Jenkins slave are sharing the Ivy cache. The Ivy lock may not work effectively sometime, causing the cache to corrupt. I heard from @rough-minister-58256 and @witty-crayon-22786 that you are investigating Pants-Jenkins integrations now. Is fixing the Ivy lock on your plan?