Note that changeset in the previous comment was created with an error in the bug number:
8181370: Convert anonymous inner classes into lambdas/method references Reviewed-by: jjg, rfield, mchung
date Fri, 16 Dec 2016 15:27:34 +0000 (5 days ago)
hgupdater is reporting an error while trying to process this.
I see this bug report was updated manually.
Recording the information here to close the loop.