https://luci-milo.appspot.com/buildbot/chromeos/cyan-paladin/2513
https://luci-milo.appspot.com/buildbot/chromeos/veyron_minnie-paladin/2515

Not sure what's going on here:

10:30:41: INFO: RunCommand: /b/cbuild/repository/chromite/third_party/swarming.client/swarming.py run --swarming chromeos-proxy.appspot.com --task-summary-json /tmp/cbuildbot-tmpDngpIJ/tmpMJDhNL/temp_summary.json --raw-cmd --task-name cyan-paladin/R60-9541.0.0-rc3-arc-bvt-cq --dimension os Ubuntu-14.04 --dimension pool default --print-status-updates --timeout 14400 --io-timeout 14400 --hard-timeout 14400 --expiration 1200 '--tags=priority:Build' '--tags=suite:arc-bvt-cq' '--tags=build:cyan-paladin/R60-9541.0.0-rc3' '--tags=task_name:cyan-paladin/R60-9541.0.0-rc3-arc-bvt-cq' '--tags=board:cyan' -- /usr/local/autotest/site_utils/run_suite.py --build cyan-paladin/R60-9541.0.0-rc3 --board cyan --suite_name arc-bvt-cq --pool cq --num 6 --file_bugs False --priority Build --timeout_mins 180 --retry True --max_retries 10 --offload_failures_only False --job_keyvals "{'datastore_parent_key': ('Build', 1510271, 'BuildStage', 44559681L)}" -m 116940589
12:54:41: WARNING: Killing tasks: [<_BackgroundTask(_BackgroundTask-7:7:2, started)>]
12:54:41: WARNING: Killing 39455 (sig=24 SIGXCPU)
12:54:41: WARNING: RunCommand: pstree -Apals 39455
< ...snip... >
12:54:41: WARNING: RunCommand: lsof -p 39455
< ...snip... >
12:54:41: WARNING: RunCommand: gdb --nx -q -p 39455 -ex 'set prompt'
< ...snip... >
12:54:42: WARNING: RunCommand: pstree -Apals 1330
< ...snip... >
12:54:42: WARNING: RunCommand: lsof -p 1330
< ...snip... >
12:54:42: WARNING: RunCommand: gdb --nx -q -p 1330 -ex 'set prompt'
< ...snip... >
12:54:42: WARNING: (stderr):
Could not attach to process.  If your uid matches the uid of the target
process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try
again as the root user.  For more details, see /etc/sysctl.d/10-ptrace.conf
ptrace: Operation not permitted.
No current process: you must name one.
The program is not being run.

12:55:12: WARNING: Killing 39455 (sig=15 SIGTERM)