All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=645580

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg0e7zqAoM


Bot(s) for this bug's original alert(s):

chromium-rel-mac11

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9001970922998177264

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/883
Failure reason: the build has failed.
Additional errors:
The metric was not found in the test output.
Either of the initial "good" or "bad" revisions failed to be tested or built.

What do we do with these, when the test name has changed?

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9001963996040521792

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/883
Failure reason: the build has failed.
Additional errors:
The metric was not found in the test output.
Either of the initial "good" or "bad" revisions failed to be tested or built.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9001872925461288240

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/887
Failure reason: the build has failed.
Additional errors:
The metric was not found in the test output.
Either of the initial "good" or "bad" revisions failed to be tested or built.

ping dtu, what do we do with these where the test name changes?

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9001234561657263968

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/887
Failure reason: the build has failed.
Additional errors:
The metric was not found in the test output.
Either of the initial "good" or "bad" revisions failed to be tested or built.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8999966078546756224

===== BISECT JOB RESULTS =====
Status: completed


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@416104  86.8482  13.5934  18  good
chromium@416147  112.245  29.2749  18  bad

Bisect job ran on: mac_10_11_perf_bisect
Bug ID: 645580

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests page_cycler_v2.top_10_mobile
Test Metric: timeToFirstContentfulPaint_avg/pcv1-warm/https___m.facebook.com_rihanna
Relative Change: 20.38%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/939
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9001970922998177264


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4551080241790976

| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Tests>AutoBisect.  Thank you!

Perf sheriff ping

One bot, no ref build results, bisect didn't reproduce. Trying one more bisect; if it fails then this should be closed.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8998328712118923168

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/979
Failure reason: the build has failed.
Additional errors:
The metric was not found in the test output.
Either of the initial "good" or "bad" revisions failed to be tested or built.

Bisect hasn't been able to reproduce. Closing per recommendation. 

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982611722912586064