This CL: https://chromium-review.googlesource.com/c/chromium/src/+/1292599/6

Failed "linux-blink-gen-property-trees" three times in a row due to a test runner exception. Might be worth figuring out why. The CL appears to be a massive deletion of unused files.


https://logs.chromium.org/logs/chromium/buildbucket/cr-buildbucket.appspot.com/8931996877623851728/+/steps/webkit_layout_tests__with_patch_/0/stdout

"""
Total duration: 1.4s
WARNING:root:No shard json files found in task_output_dir: '/b/swarming/w/ir/tmp/t/tmp4jAwX0'
Found ['/b/swarming/w/ir/tmp/t/tmp4jAwX0/summary.json']
Running ['/b/swarming/w/ir/cache/vpython/045a04/bin/python', '/b/swarming/w/ir/cache/builder/src/third_party/blink/tools/merge_web_test_results.py', '--build-properties', '{"attempt_start_ts": 1540179027000000, "blamelist": ["wangxianzhu@chromium.org"], "bot_id": "swarm1100-c4", "buildbucket": {"build": {"bucket": "luci.chromium.try", "created_by": "user:5071639625-1lppvbtck1morgivc6sq4dul7klu27sd@developer.gserviceaccount.com", "created_ts": 1540181005797116, "id": "8931996877623851728", "project": "chromium", "tags": ["builder:linux-blink-gen-property-trees", "buildset:patch/gerrit/chromium-review.googlesource.com/1292599/6", "cq_experimental:false", "user_agent:cq"]}, "hostname": "cr-buildbucket.appspot.com"}, "buildername": "linux-blink-gen-property-trees", "buildnumber": 631, "category": "cq", "got_angle_revision": "0cc11c684b5465b73ff107f7935ae72ca1dbbcff", "got_buildtools_revision": "13a00f110ef910a25763346d6538b60f12845656", "got_nacl_revision": "99673869a3cd8731d924bd32fa486feebfdc6c4f", "got_revision": "9ef9d7d626a0a44c4104e3dcb60251feaa1a5df6", "got_revision_cp": "refs/heads/master@{#601473}", "got_swarming_client_revision": "f78187ab77127de42555afe0ad410bebde6ac6a5", "got_v8_revision": "d206a4b910f4138c15e04cf77544175ef7ffbe26", "got_v8_revision_cp": "refs/heads/7.2.45@{#1}", "got_webrtc_revision": "648d28ad62573c7b1a1e5b05a6122227f7272950", "got_webrtc_revision_cp": "refs/heads/master@{#25280}", "mastername": "tryserver.chromium.linux", "patch_gerrit_url": "https://chromium-review.googlesource.com", "patch_issue": 1292599, "patch_project": "chromium/src", "patch_ref": "refs/changes/99/1292599/6", "patch_repository_url": "https://chromium.googlesource.com/chromium/src", "patch_set": 6, "patch_storage": "gerrit", "path_config": "generic", "reason": "CQ", "recipe": "chromium_trybot", "repository": "https://chromium.googlesource.com/chromium/src", "revision": "HEAD"}', '--summary-json', '/b/swarming/w/ir/tmp/t/tmp4jAwX0/summary.json', '--task-output-dir', '/b/swarming/w/ir/tmp/t/tmp4jAwX0', u'--verbose', '-o', '/b/swarming/w/ir/tmp/t/tmps3VsuW.json'] in None (env: None)
2018-10-21 21:29:40,186 - blinkpy.common.system.log_utils: [DEBUG] Debug logging enabled.
2018-10-21 21:29:40,186 - root: [INFO] Running with isolated arguments
Traceback (most recent call last):
  File "/b/swarming/w/ir/cache/builder/src/third_party/blink/tools/merge_web_test_results.py", line 12, in <module>
    main(sys.argv[1:])
  File "/b/swarming/w/ir/cache/builder/src/third_party/blink/tools/blinkpy/web_tests/merge_results.py", line 775, in main
    assert args.positional
AssertionError
Command ['/b/swarming/w/ir/cache/vpython/045a04/bin/python', '/b/swarming/w/ir/cache/builder/src/third_party/blink/tools/merge_web_test_results.py', '--build-properties', '{"attempt_start_ts": 1540179027000000, "blamelist": ["wangxianzhu@chromium.org"], "bot_id": "swarm1100-c4", "buildbucket": {"build": {"bucket": "luci.chromium.try", "created_by": "user:5071639625-1lppvbtck1morgivc6sq4dul7klu27sd@developer.gserviceaccount.com", "created_ts": 1540181005797116, "id": "8931996877623851728", "project": "chromium", "tags": ["builder:linux-blink-gen-property-trees", "buildset:patch/gerrit/chromium-review.googlesource.com/1292599/6", "cq_experimental:false", "user_agent:cq"]}, "hostname": "cr-buildbucket.appspot.com"}, "buildername": "linux-blink-gen-property-trees", "buildnumber": 631, "category": "cq", "got_angle_revision": "0cc11c684b5465b73ff107f7935ae72ca1dbbcff", "got_buildtools_revision": "13a00f110ef910a25763346d6538b60f12845656", "got_nacl_revision": "99673869a3cd8731d924bd32fa486feebfdc6c4f", "got_revision": "9ef9d7d626a0a44c4104e3dcb60251feaa1a5df6", "got_revision_cp": "refs/heads/master@{#601473}", "got_swarming_client_revision": "f78187ab77127de42555afe0ad410bebde6ac6a5", "got_v8_revision": "d206a4b910f4138c15e04cf77544175ef7ffbe26", "got_v8_revision_cp": "refs/heads/7.2.45@{#1}", "got_webrtc_revision": "648d28ad62573c7b1a1e5b05a6122227f7272950", "got_webrtc_revision_cp": "refs/heads/master@{#25280}", "mastername": "tryserver.chromium.linux", "patch_gerrit_url": "https://chromium-review.googlesource.com", "patch_issue": 1292599, "patch_project": "chromium/src", "patch_ref": "refs/changes/99/1292599/6", "patch_repository_url": "https://chromium.googlesource.com/chromium/src", "patch_set": 6, "patch_storage": "gerrit", "path_config": "generic", "reason": "CQ", "recipe": "chromium_trybot", "repository": "https://chromium.googlesource.com/chromium/src", "revision": "HEAD"}', '--summary-json', '/b/swarming/w/ir/tmp/t/tmp4jAwX0/summary.json', '--task-output-dir', '/b/swarming/w/ir/tmp/t/tmp4jAwX0', u'--verbose', '-o', '/b/swarming/w/ir/tmp/t/tmps3VsuW.json'] returned exit code 1
WARNING:root:merge_cmd had non-zero return code: 1
step returned non-zero exit code: 1
"""