Discussion in #624.

E.g.: https://app.circleci.com/pipelines/github/clj-commons/aleph/217/workflows/94f4080c-fe66-4712-beca-91ef7670c81d/jobs/212

It's happened at least twice in the same spot, which is suspicious.

• Is there a regression?
• Did CircleCI downgrade our test images? (unlikely)
• The idle timeout pipeline changed recently.
• Could also be in manifold.
• Can we replicate locally?

Suggest bisection.