peach_pit-chrome-pfq #5467, it had failed two successive times.
Sounds like an infra issue

Reason: Tests were aborted before running; suite must have timed out.
 05-02-2018 [09:21:25] Output below this line is for buildbot consumption:
Will return from run_suite with status: SUITE_TIMEOUT
09:21:33: INFO: Re-run swarming_cmd to avoid buildbot salency check.
09:21:33: INFO: RunCommand: /b/c/cbuild/repository/chromite/third_party/swarming.client/swarming.py run --swarming chromeos-proxy.appspot.com --task-summary-json /tmp/cbuildbot-tmp48ve76/tmpzb2bLz/temp_summary.json --raw-cmd --task-name peach_pit-chrome-pfq/R68-10639.0.0-rc1-provision --dimension os Ubuntu-14.04 --dimension pool default --print-status-updates --timeout 14400 --io-timeout 14400 --hard-timeout 14400 --expiration 1200 '--tags=priority:PFQ' '--tags=suite:provision' '--tags=build:peach_pit-chrome-pfq/R68-10639.0.0-rc1' '--tags=task_name:peach_pit-chrome-pfq/R68-10639.0.0-rc1-provision' '--tags=board:peach_pit' -- /usr/local/autotest/site_utils/run_suite.py --build peach_pit-chrome-pfq/R68-10639.0.0-rc1 --board peach_pit --suite_name provision --pool bvt --file_bugs True --priority PFQ --timeout_mins 180 --retry True --max_retries 5 --minimum_duts 4 --suite_min_duts 3 --suite_args "{u'num_required': 1}" --offload_failures_only False --job_keyvals "{'cidb_build_stage_id': 78497876L, 'cidb_build_id': 2534565, 'datastore_parent_key': ('Build', 2534565, 'BuildStage', 78497876L)}" --json_dump -m 196699577
09:22:39: WARNING: Exception is not retriable return code: 4; command: /b/c/cbuild/repository/chromite/third_party/swarming.client/swarming.py run --swarming chromeos-proxy.appspot.com --task-summary-json /tmp/cbuildbot-tmp48ve76/tmpzb2bLz/temp_summary.json --raw-cmd --task-name peach_pit-chrome-pfq/R68-10639.0.0-rc1-provision --dimension os Ubuntu-14.04 --dimension pool default --print-status-updates --timeout 14400 --io-timeout 14400 --hard-timeout 14400 --expiration 1200 '--tags=priority:PFQ' '--tags=suite:provision' '--tags=build:peach_pit-chrome-pfq/R68-10639.0.0-rc1' '--tags=task_name:peach_pit-chrome-pfq/R68-10639.0.0-rc1-provision' '--tags=board:peach_pit' -- /usr/local/autotest/site_utils/run_suite.py --build peach_pit-chrome-pfq/R68-10639.0.0-rc1 --board peach_pit --suite_name provision --pool bvt --file_bugs True --priority PFQ --timeout_mins 180 --retry True --max_retries 5 --minimum_duts 4 --suite_min_duts 3 --suite_args "{u'num_required': 1}" --offload_failures_only False --job_keyvals "{'cidb_build_stage_id': 78497876L, 'cidb_build_id': 2534565, 'datastore_parent_key': ('Build', 2534565, 'BuildStage', 78497876L)}" --json_dump -m 196699577
Priority was reset to 100
Triggered task: peach_pit-chrome-pfq/R68-10639.0.0-rc1-provision
chromeos-golo-server1-19: 3d3a7a39b4149910 4
  #JSON_START#{"autotest_instance": "cautotest-prod", "return_code": 4, "return_message": "Tests were aborted before running; suite must have timed out.", "suite_job_id": 196699577, "suite_timings": {"artifact_download_end": "2018-05-02 08:49:00", "download_start": "2018-05-02 08:48:00", "payload_download_end": "2018-05-02 08:48:02", "suite_start": "2018-05-02 08:48:57", "tests_end": "2018-05-02 09:17:38", "tests_start": "2018-05-02 09:14:16"}, "tests": {"Suite job": {"attributes": [], "link_to_logs": "http://cautotest-prod/tko/retrieve_logs.cgi?job=/results/196699577-chromeos-test/", "reason": "", "retry_count": 0, "sponge_url": "http://tests/5c8545a9-8229-4b23-9af0-d590242b4b57", "status": "GOOD"}, "dummy_Pass": {"attributes": ["subsystem:default"], "link_to_logs": "http://cautotest-prod/tko/retrieve_logs.cgi?job=/results/196699678-chromeos-test/", "reason": "Timed out, did not run.", "retry_count": 0, "sponge_url": "http://tests/5c8545a9-8229-4b23-9af0-d590242b4b57", "status": "ABORT"}}}#JSON_END#
cmd=['/b/c/cbuild/repository/chromite/third_party/swarming.client/swarming.py', 'run', '--swarming', 'chromeos-proxy.appspot.com', '--task-summary-json', '/tmp/cbuildbot-tmp48ve76/tmpzb2bLz/temp_summary.json', '--raw-cmd', '--task-name', u'peach_pit-chrome-pfq/R68-10639.0.0-rc1-provision', '--dimension', 'os', 'Ubuntu-14.04', '--dimension', 'pool', 'default', '--print-status-updates', '--timeout', '14400', '--io-timeout', '14400', '--hard-timeout', '14400', '--expiration', '1200', u'--tags=priority:PFQ', u'--tags=suite:provision', u'--tags=build:peach_pit-chrome-pfq/R68-10639.0.0-rc1', u'--tags=task_name:peach_pit-chrome-pfq/R68-10639.0.0-rc1-provision', u'--tags=board:peach_pit', '--', '/usr/local/autotest/site_utils/run_suite.py', '--build', u'peach_pit-chrome-pfq/R68-10639.0.0-rc1', '--board', u'peach_pit', '--suite_name', u'provision', '--pool', u'bvt', '--file_bugs', 'True', '--priority', 'PFQ', '--timeout_mins', '180', '--retry', 'True', '--max_retries', '5', '--minimum_duts', '4', '--suite_min_duts', '3', '--suite_args', "{u'num_required': 1}", '--offload_failures_only', 'False', '--job_keyvals', "{'cidb_build_stage_id': 78497876L, 'cidb_build_id': 2534565, 'datastore_parent_key': ('Build', 2534565, 'BuildStage', 78497876L)}", '--json_dump', '-m', '196699577']
#JSON_START#{"autotest_instance": "cautotest-prod", "return_code": 4, "return_message": "Tests were aborted before running; suite must have timed out.", "suite_job_id": 196699577, "suite_timings": {"artifact_download_end": "2018-05-02 08:49:00", "download_start": "2018-05-02 08:48:00", "payload_download_end": "2018-05-02 08:48:02", "suite_start": "2018-05-02 08:48:57", "tests_end": "2018-05-02 09:17:38", "tests_start": "2018-05-02 09:14:16"}, "tests": {"Suite job": {"attributes": [], "link_to_logs": "http://cautotest-prod/tko/retrieve_logs.cgi?job=/results/196699577-chromeos-test/", "reason": "", "retry_count": 0, "sponge_url": "http://tests/5c8545a9-8229-4b23-9af0-d590242b4b57", "status": "GOOD"}, "dummy_Pass": {"attributes": ["subsystem:default"], "link_to_logs": "http://cautotest-prod/tko/retrieve_logs.cgi?job=/results/196699678-chromeos-test/", "reason": "Timed out, did not run.", "retry_count": 0, "sponge_url": "http://tests/5c8545a9-8229-4b23-9af0-d590242b4b57", "status": "ABORT"}}}#JSON_END#
09:22:39: INFO: Running cidb query on pid 30446, repr(query) starts with <sqlalchemy.sql.expression.Insert object at 0x7fd616cfb090>
09:22:39: ERROR: ** Suite timed out before completion **
09:22:39: INFO: Translating result ** Suite timed out before completion ** to fail.
09:22:39: INFO: Running cidb query on pid 30446, repr(query) starts with <sqlalchemy.sql.expression.Update object at 0x7fd616cfb150>
09:22:39: INFO: Running cidb query on pid 30446, repr(query) starts with <sqlalchemy.sql.expression.Insert object at 0x7fd616cfb750>