All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=816474

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=3315f131e15f88c2d1f51fb11a4de0a11be92b45fb9c60b423f50e5ffa74b4b0


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

android-one
android-webview-nexus6

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📍 Couldn't reproduce a difference.
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Removed some recovered alerts and re-kicked bisects on not-recovered ones.

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/10545b91440000

😿 Pinpoint job stopped with an error.
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😿 Pinpoint job stopped with an error.
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📍 Pinpoint job started.
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😿 Pinpoint job stopped with an error.
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📍 Pinpoint job started.
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😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/11d35757440000

+dtu any idea what happened here? Looking at logs I see:
https://chromium-swarm.appspot.com/task?id=3ca0896f652f7310&refresh=10&show_raw=1
Traceback (most recent call last):
  File "../../testing/test_env.py", line 288, in <module>
    sys.exit(main())
  File "../../testing/test_env.py", line 284, in main
    return run_executable(sys.argv[1:], os.environ.copy())
  File "../../testing/test_env.py", line 248, in run_executable
    '-vpython-tool', 'install',
  File "/usr/lib/python2.7/subprocess.py", line 535, in check_call
    retcode = call(*popenargs, **kwargs)
  File "/usr/lib/python2.7/subprocess.py", line 522, in call
    return Popen(*popenargs, **kwargs).wait()
  File "/usr/lib/python2.7/subprocess.py", line 710, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1327, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory

Trying a re-run.

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😿 Pinpoint job stopped with an error.
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All of the attempts failed. See the individual attempts for details on each error.

These are all either really noisy or recovered.