When moving the clean function there, this check was not ported and generated some errors on the CI. `deleteContainer` now fail if any error but the clean function won't if "no such container" (because of some races -_-). Signed-off-by: Vincent Demeester <vincent@sbr.pm> Upstream-commit: 5dd89abdf1ec3e633ce01e74d1c47f8eb02fa31e Component: engine