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'C:\b\s\w\ir\cipd_bin_packages\python.exe' -u 'C:\b\s\w\ir\kitchen-checkout\scripts\tools\runit.py' --show-path --with-third-party-lib -- python 'C:\b\s\w\ir\kitchen-checkout\scripts/slave\recipe_modules\swarming\resources\collect_task.py' -o 'c:\b\s\w\ir\tmp\t\tmpwh0kbr.json' --task-output-dir 'C:\b\s\w\ir\kitchen-workdir\recipe_cleanup\0_1' --merge-script 'C:\b\s\w\ir\kitchen-checkout\scripts/slave\recipe_modules\swarming\resources\noop_merge.py' --merge-script-stdout-file 'c:\b\s\w\ir\tmp\t\tmpillxvxmerge_script_log' --merge-additional-args '[]' -- python -u 'C:\b\s\w\ir\cache\builder\sdk\tools\swarming_client\swarming.py' collect --swarming https://chromium-swarm.appspot.com --decorate --print-status-updates --json 'c:\b\s\w\ir\tmp\t\tmpkmtkhd.json' --task-summary-json 'c:\b\s\w\ir\tmp\t\tmpgvr35j.json' in dir C:\b\s\w\ir\kitchen-workdir: allow_subannotations: False base_name: 'dart2js tests_shard_2 on Windows' cmd: ['C:\\b\\s\\w\\ir\\cipd_bin_packages\\python.exe', '-u', 'C:\\b\\s\\w\\ir\\kitchen-checkout\\scripts\\tools\\runit.py', '--show-path', '--with-third-party-lib', '--', 'python', 'C:\\b\\s\\w\\ir\\kitchen-checkout\\scripts/slave\\recipe_modules\\swarming\\resources\\collect_task.py', '-o', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmpwh0kbr.json', '--task-output-dir', 'C:\\b\\s\\w\\ir\\kitchen-workdir\\recipe_cleanup\\0_1', '--merge-script', 'C:\\b\\s\\w\\ir\\kitchen-checkout\\scripts/slave\\recipe_modules\\swarming\\resources\\noop_merge.py', '--merge-script-stdout-file', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmpillxvxmerge_script_log', '--merge-additional-args', '[]', '--', 'python', '-u', 'C:\\b\\s\\w\\ir\\cache\\builder\\sdk\\tools\\swarming_client\\swarming.py', 'collect', '--swarming', 'https://chromium-swarm.appspot.com', '--decorate', '--print-status-updates', '--json', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmpkmtkhd.json', '--task-summary-json', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmpgvr35j.json'] env: {} env_prefixes: {} env_suffixes: {} infra_step: False name: 'dart2js tests_shard_2 on Windows' nest_level: 0 ok_ret: frozenset([0]) step_test_data: <lambda>(...) trigger_specs: () full environment: ALLUSERSPROFILE: C:\ProgramData APPDATA: C:\Users\chrome-bot\AppData\Roaming BOTO_CONFIG: C:\b\s\w\ir\tmp\gsutil_task\.boto BUILDBUCKET_EXPERIMENTAL: FALSE CIPD_CACHE_DIR: C:\b\s\cipd_cache\cache CIPD_EXE_SHIM: "C:\b\s\w\ir\cipd_bin_packages\vpython.exe" CIPD_PROTOCOL: v2 COMMONPROGRAMFILES: C:\Program Files\Common Files COMMONPROGRAMFILES(X86): C:\Program Files (x86)\Common Files COMMONPROGRAMW6432: C:\Program Files\Common Files COMPUTERNAME: WIN10-DART-FEDC COMSPEC: C:\Windows\system32\cmd.exe FPS_BROWSER_APP_PROFILE_STRING: Internet Explorer FPS_BROWSER_USER_PROFILE_STRING: Default GIT_CONFIG_NOSYSTEM: 1 GIT_TERMINAL_PROMPT: 0 HOMEDRIVE: C: HOMEPATH: \Users\chrome-bot INFRA_GIT_WRAPPER_HOME: C:\b\s\w\ir\tmp\git_home_task LC_ALL: English_United States.UTF-8 LC_COLLATE: English_United States.UTF-8 LC_CTYPE: English_United States.UTF-8 LC_MONETARY: English_United States.UTF-8 LC_NUMERIC: English_United States.UTF-8 LC_TIME: English_United States.UTF-8 LOCALAPPDATA: C:\Users\chrome-bot\AppData\Local LOGDOG_COORDINATOR_HOST: logs.chromium.org LOGDOG_STREAM_PREFIX: buildbucket/cr-buildbucket.appspot.com/8934935358981955024 LOGDOG_STREAM_PROJECT: dart LOGDOG_STREAM_SERVER_PATH: net.pipe:LUCILogDogKitchen_1012 LOGONSERVER: \\WIN10-DART-FEDC LUCI_CONTEXT: C:\b\s\w\itjtzljk\luci_context.404592822 MAC_CHROMIUM_TMPDIR: C:\b\s\w\ir\tmp\t NO_GCE_CHECK: False NUMBER_OF_PROCESSORS: 8 ONEDRIVE: C:\Users\chrome-bot\OneDrive OS: Windows_NT PATH: C:\b\s\w\ir\cipd_bin_packages;C:\b\s\w\ir\cipd_bin_packages\bin;C:\b\s\cipd_cache\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Puppet Labs\Puppet\bin;C:\b\s\w\ir\cache\vpython\1bda7b\lib\site-packages\pywin32_system32 PATHEXT: .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC PROCESSOR_ARCHITECTURE: AMD64 PROCESSOR_IDENTIFIER: Intel64 Family 6 Model 63 Stepping 0, GenuineIntel PROCESSOR_LEVEL: 6 PROCESSOR_REVISION: 3f00 PROGRAMDATA: C:\ProgramData PROGRAMFILES: C:\Program Files PROGRAMFILES(X86): C:\Program Files (x86) PROGRAMW6432: C:\Program Files PROMPT: $P$G PSMODULEPATH: C:\Program Files\WindowsPowerShell\Modules;C:\Windows\system32\WindowsPowerShell\v1.0\Modules PUBLIC: C:\Users\Public PYTHONIOENCODING: UTF-8 PYTHONUNBUFFERED: 1 SESSIONNAME: Console SWARMING_BOT_ID: win10-dart-fedce810-us-central1-c-s7gm SWARMING_EXTERNAL_BOT_SETUP: 1 SWARMING_HEADLESS: 1 SWARMING_SERVER: https://chromium-swarm.appspot.com SWARMING_TASK_ID: 400bba1e0521e211 SYSTEMDRIVE: C: SYSTEMROOT: C:\Windows TEMP: C:\b\s\w\ir\tmp\t TEMPDIR: C:\b\s\w\ir\tmp\t TMP: C:\b\s\w\ir\tmp\t TMPDIR: C:\b\s\w\ir\tmp\t USERDOMAIN: WIN10-DART-FEDC USERDOMAIN_ROAMINGPROFILE: WIN10-DART-FEDC USERNAME: chrome-bot USERPROFILE: C:\Users\chrome-bot VPYTHON_VIRTUALENV_ROOT: C:\b\s\w\ir\cache\vpython WINDIR: C:\Windows Set PYTHONPATH: C:\b\s\w\ir\kitchen-checkout\scripts;C:\b\s\w\ir\kitchen-checkout\site_config;C:\b\s\w\ir\kitchen-checkout\third_party;C:\b\s\w\ir\kitchen-checkout\third_party\buildbot_8_4p1;C:\b\s\w\ir\kitchen-checkout\third_party\buildbot_slave_8_4;C:\b\s\w\ir\kitchen-checkout\third_party\coverage-3.7.1;C:\b\s\w\ir\kitchen-checkout\third_party\decorator_3_3_1;C:\b\s\w\ir\kitchen-checkout\third_party\google_api_python_client;C:\b\s\w\ir\kitchen-checkout\third_party\httplib2\python2;C:\b\s\w\ir\kitchen-checkout\third_party\infra_libs;C:\b\s\w\ir\kitchen-checkout\third_party\jinja2;C:\b\s\w\ir\kitchen-checkout\third_party\markupsafe;C:\b\s\w\ir\kitchen-checkout\third_party\oauth2client;C:\b\s\w\ir\kitchen-checkout\third_party\pyasn1;C:\b\s\w\ir\kitchen-checkout\third_party\pyasn1-modules;C:\b\s\w\ir\kitchen-checkout\third_party\python-rsa;C:\b\s\w\ir\kitchen-checkout\third_party\requests_2_10_0;C:\b\s\w\ir\kitchen-checkout\third_party\setuptools-0.6c11;C:\b\s\w\ir\kitchen-checkout\third_party\sqlalchemy_0_7_1;C:\b\s\w\ir\kitchen-checkout\third_party\sqlalchemy_migrate_0_7_1;C:\b\s\w\ir\kitchen-checkout\third_party\tempita_0_5;C:\b\s\w\ir\kitchen-checkout\third_party\twisted_10_2;C:\b\s\w\ir\kitchen-checkout\third_party\uritemplate;C:\b\s\w\ir\kitchen-checkout\third_party\site-packages WARNING:root:task_output_dir 'C:\\b\\s\\w\\ir\\kitchen-workdir\\recipe_cleanup\\0_1' already exists! WARNING:root:task_output_dir existing content: [] +------------------------------------------------------------------------------------------+ | Shard 0 https://chromium-swarm.appspot.com/user/task/400bc927640fe410 | +------------------------------------------------------------------------------------------+ 31964 files remaining... 26179 files remaining... 20845 files remaining... 15110 files remaining... 8904 files remaining... 3217 files remaining... Test configuration: dart2js-win-firefox(architecture: x64, compiler: dart2js, mode: release, runtime: firefox, system: win, vm-options: [], timeout: null, preview-dart-2, use-sdk) Suites tested: samples, standalone, standalone_2, corelib, corelib_2, language, language_2, isolate, vm, html, benchmark_smoke, utils, lib, lib_2, analyze_library, service, kernel Directory containing tests missing: C:\b\s\w\ir\runtime\observatory\tests\service Total: 3168 tests * 2049 tests will be skipped (1249 skipped by design) * 2 tests are expected to be flaky but not crash * 0 tests are expected to flaky crash * 1013 tests are expected to pass * 10 tests are expected to fail that we won't fix * 90 tests are expected to fail that we should fix * 2 tests are expected to crash that we should fix * 0 tests are allowed to timeout * 2 could not be categorized or are in multiple categories 1118 out of 1119 completed Tests running for 5 minutes Double reporting tests http://127.0.0.1:50662/root_build/generated_tests/dart2js-firefox-sdk/multitest_language_2_flatten_test_01/test.html?crossOriginPort=50663 http://127.0.0.1:50662/root_build/generated_tests/dart2js-firefox-sdk/multitest_language_2_flatten_test_04/test.html?crossOriginPort=50663 --- Total time: 06:24 --- 0:04:00.043793 - firefox - dart2js-firefox release_x64/lib_2/convert/utf85_test 0:00:41.175127 - firefox - dart2js-firefox release_x64/lib_2/convert/streamed_conversion_utf8_encode_test 0:00:09.093765 - dart2js - dart2js-firefox release_x64/lib_2/html/indexeddb_2_test 0:00:07.781258 - dart2js - dart2js-firefox release_x64/lib_2/html/history_test/supported_HashChangeEvent/supported_HashChangeEvent, dart2js-firefox release_x64/lib_2/html/history_test/supported_state/supported_state 0:00:06.831942 - firefox - dart2js-firefox release_x64/corelib_2/bigint_from_test 0:00:05.843770 - dart2js - dart2js-firefox release_x64/corelib_2/bigint_from_test 0:00:05.843770 - dart2js - dart2js-firefox release_x64/corelib_2/apply2_test 0:00:05.843757 - dart2js - dart2js-firefox release_x64/corelib_2/data_uri_test 0:00:05.727896 - firefox - dart2js-firefox release_x64/corelib_2/data_uri_test 0:00:05.564349 - firefox - dart2js-firefox release_x64/corelib_2/date_time_parse_test 0:00:05.562476 - dart2js - dart2js-firefox release_x64/lib_2/html/xhr_cross_origin_test/supported/supported, dart2js-firefox release_x64/lib_2/html/xhr_cross_origin_test/functional/functional 0:00:05.437535 - dart2js - dart2js-firefox release_x64/corelib_2/apply4_test 0:00:05.437535 - dart2js - dart2js-firefox release_x64/corelib_2/apply_generic_function_test 0:00:05.437535 - dart2js - dart2js-firefox release_x64/corelib_2/apply5_test 0:00:05.206709 - firefox - dart2js-firefox release_x64/corelib_2/date_time7_test 0:00:04.895958 - dart2js - dart2js-firefox release_x64/corelib_2/const_list_remove_range_test 0:00:04.761109 - dart2js - dart2js-firefox release_x64/language_2/async_await_test/02 0:00:04.572611 - dart2js - dart2js-firefox release_x64/language_2/async_await_test/none 0:00:04.546825 - dart2js - dart2js-firefox release_x64/corelib_2/map_entry_test 0:00:04.390630 - dart2js - dart2js-firefox release_x64/corelib_2/compare_to_test Failed to delete C:\b\s\w\ir (37 files remaining). Maybe the test has a subprocess outliving it. Sleeping 2 seconds. Failed to delete C:\b\s\w\ir (37 files remaining). Maybe the test has a subprocess outliving it. Sleeping 4 seconds. Failed to delete C:\b\s\w\ir. The following files remain: - \\?\C:\b\s\w\ir - \\?\C:\b\s\w\ir\browsers - \\?\C:\b\s\w\ir\browsers\firefox - \\?\C:\b\s\w\ir\browsers\firefox\api-ms-win-crt-convert-l1-1-0.dll - \\?\C:\b\s\w\ir\browsers\firefox\api-ms-win-crt-environment-l1-1-0.dll - \\?\C:\b\s\w\ir\browsers\firefox\api-ms-win-crt-filesystem-l1-1-0.dll - \\?\C:\b\s\w\ir\browsers\firefox\api-ms-win-crt-heap-l1-1-0.dll - \\?\C:\b\s\w\ir\browsers\firefox\api-ms-win-crt-locale-l1-1-0.dll - \\?\C:\b\s\w\ir\browsers\firefox\api-ms-win-crt-math-l1-1-0.dll - \\?\C:\b\s\w\ir\browsers\firefox\api-ms-win-crt-multibyte-l1-1-0.dll - \\?\C:\b\s\w\ir\browsers\firefox\api-ms-win-crt-runtime-l1-1-0.dll - \\?\C:\b\s\w\ir\browsers\firefox\api-ms-win-crt-stdio-l1-1-0.dll - \\?\C:\b\s\w\ir\browsers\firefox\api-ms-win-crt-string-l1-1-0.dll - \\?\C:\b\s\w\ir\browsers\firefox\api-ms-win-crt-time-l1-1-0.dll - \\?\C:\b\s\w\ir\browsers\firefox\api-ms-win-crt-utility-l1-1-0.dll - \\?\C:\b\s\w\ir\browsers\firefox\browser - \\?\C:\b\s\w\ir\browsers\firefox\browser\features - \\?\C:\b\s\w\ir\browsers\firefox\browser\features\activity-stream@mozilla.org.xpi - \\?\C:\b\s\w\ir\browsers\firefox\browser\features\firefox@getpocket.com.xpi - \\?\C:\b\s\w\ir\browsers\firefox\browser\features\followonsearch@mozilla.com.xpi - \\?\C:\b\s\w\ir\browsers\firefox\browser\features\onboarding@mozilla.org.xpi - \\?\C:\b\s\w\ir\browsers\firefox\browser\features\screenshots@mozilla.org.xpi - \\?\C:\b\s\w\ir\browsers\firefox\browser\features\webcompat@mozilla.org.xpi - \\?\C:\b\s\w\ir\browsers\firefox\browser\omni.ja - \\?\C:\b\s\w\ir\browsers\firefox\firefox.exe - \\?\C:\b\s\w\ir\browsers\firefox\freebl3.dll - \\?\C:\b\s\w\ir\browsers\firefox\lgpllibs.dll - \\?\C:\b\s\w\ir\browsers\firefox\mozavcodec.dll - \\?\C:\b\s\w\ir\browsers\firefox\mozavutil.dll - \\?\C:\b\s\w\ir\browsers\firefox\mozglue.dll - \\?\C:\b\s\w\ir\browsers\firefox\msvcp140.dll - \\?\C:\b\s\w\ir\browsers\firefox\nss3.dll - \\?\C:\b\s\w\ir\browsers\firefox\nssckbi.dll - \\?\C:\b\s\w\ir\browsers\firefox\omni.ja - \\?\C:\b\s\w\ir\browsers\firefox\softokn3.dll - \\?\C:\b\s\w\ir\browsers\firefox\vcruntime140.dll - \\?\C:\b\s\w\ir\browsers\firefox\xul.dll Enumerating processes: - pid 2636; Handles: 413; Exe: C:\b\s\w\ir\browsers\firefox\firefox.exe; Cmd: "C:\b\s\w\ir\browsers\firefox\firefox.exe" -contentproc --channel="2852.6.1347036058\133316085" -childID 2 -isForBrowser -prefsHandle 2200 -prefsLen 2041 -schedulerPrefs 0001,2 -greomni "C:\b\s\w\ir\browsers\firefox\omni.ja" -appomni "C:\b\s\w\ir\browsers\firefox\browser\omni.ja" -appdir "C:\b\s\w\ir\browsers\firefox\browser" - 2852 - 2212 tab - pid 2852; Handles: 1073; Exe: C:\b\s\w\ir\browsers\firefox\firefox.exe; Cmd: C:\b\s\w\ir\browsers\firefox\firefox.exe -profile C:\b\s\w\itbplsj2\f85ee84a-bc36-11e8-87d5-d6525fc2c030 -no-remote -new-instance http://127.0.0.1:50662/driver/BROWSER2 - pid 2984; Handles: 318; Exe: C:\b\s\w\ir\browsers\firefox\firefox.exe; Cmd: "C:\b\s\w\ir\browsers\firefox\firefox.exe" -contentproc --channel="2852.18.1325921811\2121145723" -childID 4 -isForBrowser -prefsHandle 3324 -prefsLen 7234 -schedulerPrefs 0001,2 -greomni "C:\b\s\w\ir\browsers\firefox\omni.ja" -appomni "C:\b\s\w\ir\browsers\firefox\browser\omni.ja" -appdir "C:\b\s\w\ir\browsers\firefox\browser" - 2852 - 3364 tab - pid 3700; Handles: 465; Exe: C:\b\s\w\ir\browsers\firefox\firefox.exe; Cmd: "C:\b\s\w\ir\browsers\firefox\firefox.exe" -contentproc --channel="2852.0.422521241\810483507" -childID 1 -isForBrowser -prefsHandle 1844 -prefsLen 1996 -schedulerPrefs 0001,2 -greomni "C:\b\s\w\ir\browsers\firefox\omni.ja" -appomni "C:\b\s\w\ir\browsers\firefox\browser\omni.ja" -appdir "C:\b\s\w\ir\browsers\firefox\browser" - 2852 - 1896 tab - pid 7716; Handles: 349; Exe: C:\b\s\w\ir\browsers\firefox\firefox.exe; Cmd: "C:\b\s\w\ir\browsers\firefox\firefox.exe" -contentproc --channel="2852.12.53760513\1564182513" -childID 3 -isForBrowser -prefsHandle 2432 -prefsLen 2316 -schedulerPrefs 0001,2 -greomni "C:\b\s\w\ir\browsers\firefox\omni.ja" -appomni "C:\b\s\w\ir\browsers\firefox\browser\omni.ja" -appdir "C:\b\s\w\ir\browsers\firefox\browser" - 2852 - 2444 tab Terminating 5 processes: - 2636 killed - 2852 killed - 2984 killed - 3700 killed - 7716 killed *** Swarming tried multiple times to delete the run directory and failed *** *** Hard failing the task *** Swarming detected that your testing script ran an executable, which may have started a child executable, and the main script returned early, leaving the children executables playing around unguided. You don't want to leave children processes outliving the task on the Swarming bot, do you? The Swarming bot doesn't. How to fix? - For any process that starts children processes, make sure all children processes terminated properly before each parent process exits. This is especially important in very deep process trees. - This must be done properly both in normal successful task and in case of task failure. Cleanup is very important. - The Swarming bot sends a SIGTERM in case of timeout. - You have 30.0 seconds to comply after the signal was sent to the process before the process is forcibly killed. - To achieve not leaking children processes in case of signals on timeout, you MUST handle signals in each executable / python script and propagate them to children processes. - When your test script (python or binary) receives a signal like SIGTERM or CTRL_BREAK_EVENT on Windows), send it to all children processes and wait for them to terminate before quitting. See https://chromium.googlesource.com/infra/luci/luci-py.git/+/master/appengine/swarming/doc/Bot.md#Graceful-termination_aka-the-SIGTERM-and-SIGKILL-dance for more information. *** May the SIGKILL force be with you *** +------------------------------------------------------------------------------------------+ | End of shard 0 | | Pending: 581.5s Duration: 389.8s Bot: win10-dart-fedce810-us-central1-c-fx9q Exit: 1 | +------------------------------------------------------------------------------------------+ Total duration: 389.8s WARNING:root:collect_cmd had non-zero return code: 1 WARNING:root:Expected output.json file missing: set(['C:\\b\\s\\w\\ir\\kitchen-workdir\\recipe_cleanup\\0_1\\0\\output.json']) Found: [] Expected: ['C:\\b\\s\\w\\ir\\kitchen-workdir\\recipe_cleanup\\0_1\\0\\output.json'] WARNING:root:No shard json files found in task_output_dir: 'C:\\b\\s\\w\\ir\\kitchen-workdir\\recipe_cleanup\\0_1' Found ['C:\\b\\s\\w\\ir\\kitchen-workdir\\recipe_cleanup\\0_1\\0', 'C:\\b\\s\\w\\ir\\kitchen-workdir\\recipe_cleanup\\0_1\\summary.json'] Running ['C:\\b\\s\\w\\ir\\cache\\vpython\\1bda7b\\Scripts\\python.exe', 'C:\\b\\s\\w\\ir\\kitchen-checkout\\scripts/slave\\recipe_modules\\swarming\\resources\\noop_merge.py', '--summary-json', 'C:\\b\\s\\w\\ir\\kitchen-workdir\\recipe_cleanup\\0_1\\summary.json', '--task-output-dir', 'C:\\b\\s\\w\\ir\\kitchen-workdir\\recipe_cleanup\\0_1', '-o', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmpwh0kbr.json'] in None (env: None) Command ['C:\\b\\s\\w\\ir\\cache\\vpython\\1bda7b\\Scripts\\python.exe', 'C:\\b\\s\\w\\ir\\kitchen-checkout\\scripts/slave\\recipe_modules\\swarming\\resources\\noop_merge.py', '--summary-json', 'C:\\b\\s\\w\\ir\\kitchen-workdir\\recipe_cleanup\\0_1\\summary.json', '--task-output-dir', 'C:\\b\\s\\w\\ir\\kitchen-workdir\\recipe_cleanup\\0_1', '-o', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmpwh0kbr.json'] returned exit code 0 step returned non-zero exit code: 1