tree c712cd1ca43ee8c25f90b450bda6d48478ba0722
parent bdcd31e8ce66ec365e9de24436e4a03cfd2236a6
author Don Garrett <dgarrett@google.com> 1529716523 -0700
committer chrome-bot <chrome-bot@chromium.org> 1529972424 -0700

build_stages: Add logging to CancelObsoleteSlaveBuilds.

CancelObsoleteSlaveBuilds isn't always working in production, so add
logging to help with debugging.

BUG=chromium:855801
TEST=run_tests

Change-Id: I7d7a4db8d49f79610b46fcc8b62be64d4f543dc3
Reviewed-on: https://chromium-review.googlesource.com/1112855
Commit-Ready: Don Garrett <dgarrett@chromium.org>
Tested-by: Don Garrett <dgarrett@chromium.org>
Reviewed-by: Mike Nichols <mikenichols@chromium.org>