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'C:\b\s\w\ir\cipd_bin_packages\python.exe' -u 'C:\b\s\w\ir\kitchen-checkout\build\scripts\tools\runit.py' --show-path --with-third-party-lib -- python 'C:\b\s\w\ir\kitchen-checkout\build\scripts\slave\recipe_modules\chromium_swarming\resources\collect_task.py' --verbose -o 'c:\b\s\w\ir\tmp\t\tmp4rr9zk.json' --task-output-dir 'c:\b\s\w\ir\tmp\t\tmp8az1lp' --merge-script 'C:\b\s\w\ir\kitchen-checkout\build\scripts\slave\recipe_modules\chromium_swarming\resources\noop_merge.py' --merge-script-stdout-file 'c:\b\s\w\ir\tmp\t\tmpakidyamerge_script_log' --merge-additional-args '[]' --summary-json-file 'c:\b\s\w\ir\tmp\t\tmpwjevvn.json' -- swarming collect -server https://chromium-swarm.appspot.com -worker 50 -task-summary-python -task-output-stdout all -verbose -requests-json 'c:\b\s\w\ir\tmp\t\tmpkag5ny.json' in dir C:\b\s\w\ir\k: allow_subannotations: False cmd: ['C:\\b\\s\\w\\ir\\cipd_bin_packages\\python.exe', '-u', 'C:\\b\\s\\w\\ir\\kitchen-checkout\\build\\scripts\\tools\\runit.py', '--show-path', '--with-third-party-lib', '--', 'python', 'C:\\b\\s\\w\\ir\\kitchen-checkout\\build\\scripts\\slave\\recipe_modules\\chromium_swarming\\resources\\collect_task.py', '--verbose', '-o', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmp4rr9zk.json', '--task-output-dir', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmp8az1lp', '--merge-script', 'C:\\b\\s\\w\\ir\\kitchen-checkout\\build\\scripts\\slave\\recipe_modules\\chromium_swarming\\resources\\noop_merge.py', '--merge-script-stdout-file', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmpakidyamerge_script_log', '--merge-additional-args', '[]', '--summary-json-file', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmpwjevvn.json', '--', 'swarming', 'collect', '-server', 'https://chromium-swarm.appspot.com', '-worker', '50', '-task-summary-python', '-task-output-stdout', 'all', '-verbose', '-requests-json', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmpkag5ny.json'] env: {} env_prefixes: {'PATH': 'C:\\b\\s\\w\\ir\\cache\\swarming_client'} env_suffixes: {} infra_step: False name_tokens: ('vm tests_shard_6 on Windows',) 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 DOCKER_CONFIG: C:\b\s\w\ir\tmp\docker_cfg_task DOCKER_TMPDIR: C:\b\s\w\ir\tmp\docker_tmp_task 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/8918611626957226496 LOGDOG_STREAM_PROJECT: dart LOGDOG_STREAM_SERVER_PATH: net.pipe:LUCILogDogKitchen_9876 LOGONSERVER: \\WIN10-DART-FEDC LUCI_CONTEXT: C:\b\s\w\itwqnnrz\luci_context.215767142 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\cache\swarming_client;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 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-rb9h SWARMING_EXTERNAL_BOT_SETUP: 1 SWARMING_HEADLESS: 1 SWARMING_SERVER: https://chromium-swarm.appspot.com SWARMING_TASK_ID: 43ab9fa99034ff11 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\build\scripts;C:\b\s\w\ir\kitchen-checkout\build\site_config;C:\b\s\w\ir\kitchen-checkout\build\third_party;C:\b\s\w\ir\kitchen-checkout\build\third_party\buildbot_8_4p1;C:\b\s\w\ir\kitchen-checkout\build\third_party\buildbot_slave_8_4;C:\b\s\w\ir\kitchen-checkout\build\third_party\coverage-3.7.1;C:\b\s\w\ir\kitchen-checkout\build\third_party\decorator_3_3_1;C:\b\s\w\ir\kitchen-checkout\build\third_party\google_api_python_client;C:\b\s\w\ir\kitchen-checkout\build\third_party\httplib2\python2;C:\b\s\w\ir\kitchen-checkout\build\third_party\infra_libs;C:\b\s\w\ir\kitchen-checkout\build\third_party\jinja2;C:\b\s\w\ir\kitchen-checkout\build\third_party\markupsafe;C:\b\s\w\ir\kitchen-checkout\build\third_party\oauth2client;C:\b\s\w\ir\kitchen-checkout\build\third_party\pyasn1;C:\b\s\w\ir\kitchen-checkout\build\third_party\pyasn1-modules;C:\b\s\w\ir\kitchen-checkout\build\third_party\python-rsa;C:\b\s\w\ir\kitchen-checkout\build\third_party\requests_2_10_0;C:\b\s\w\ir\kitchen-checkout\build\third_party\setuptools-0.6c11;C:\b\s\w\ir\kitchen-checkout\build\third_party\sqlalchemy_0_7_1;C:\b\s\w\ir\kitchen-checkout\build\third_party\sqlalchemy_migrate_0_7_1;C:\b\s\w\ir\kitchen-checkout\build\third_party\tempita_0_5;C:\b\s\w\ir\kitchen-checkout\build\third_party\twisted_10_2;C:\b\s\w\ir\kitchen-checkout\build\third_party\uritemplate;C:\b\s\w\ir\kitchen-checkout\build\third_party\site-packages 2019-03-18 15:37:19,306 - root: [DEBUG] Using task_output_dir: 'c:\\b\\s\\w\\ir\\tmp\\t\\tmp8az1lp' 2019-03-18 15:37:19,306 - root: [WARNING] task_output_dir 'c:\\b\\s\\w\\ir\\tmp\\t\\tmp8az1lp' already exists! 2019-03-18 15:37:19,306 - root: [WARNING] task_output_dir existing content: [] 2019-03-18 15:37:19,306 - root: [INFO] collect_cmd: swarming collect -server https://chromium-swarm.appspot.com -worker 50 -task-summary-python -task-output-stdout all -verbose -requests-json c:\b\s\w\ir\tmp\t\tmpkag5ny.json -output-dir c:\b\s\w\ir\tmp\t\tmp8az1lp -task-summary-json c:\b\s\w\ir\tmp\t\tmpwjevvn.json [D2019-03-18T15:37:19.333935-07:00 2888 0 auth.go:1265] Minting a new token {"key":"luci_ctx/22921abd0e9cb3b6d87cb7ba9530276ad7e16ecc833362b880ef50b34b357757", "scopes":"https://www.googleapis.com/auth/userinfo.email"} [D2019-03-18T15:37:19.333935-07:00 2888 0 luci_ctx.go:138] POST http://127.0.0.1:50969/rpc/LuciLocalAuthService.GetOAuthToken {"key":"luci_ctx/22921abd0e9cb3b6d87cb7ba9530276ad7e16ecc833362b880ef50b34b357757", "scopes":"https://www.googleapis.com/auth/userinfo.email"} [D2019-03-18T15:37:19.339052-07:00 2888 0 auth.go:1222] Token expires in 37m43.6613722s {"key":"luci_ctx/22921abd0e9cb3b6d87cb7ba9530276ad7e16ecc833362b880ef50b34b357757", "scopes":"https://www.googleapis.com/auth/userinfo.email"} [D2019-03-18T15:37:20.588721-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:21.770480-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:23.073102-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:24.323094-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:25.619904-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:27.073089-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:29.135521-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:30.573046-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:32.135583-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:33.682378-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:35.291711-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:36.963606-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:38.776114-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:40.541709-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:42.416702-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:44.291705-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:46.229186-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 [D2019-03-18T15:37:48.229194-07:00 2888 0 collect.go:344] Waiting task_id: 43abb7fade7b5710 43abb7fade7b5710: exit 0 17752 files remaining... 16121 files remaining... 14588 files remaining... 12930 files remaining... 11386 files remaining... 9827 files remaining... 7708 files remaining... 6608 files remaining... 5398 files remaining... 4337 files remaining... 3296 files remaining... 2229 files remaining... 1611 files remaining... tools/testing/dart/main.dart:1: Warning: Interpreting this as package URI, 'package:test_dart/main.dart'. Test configurations: dartk-win-release-ia32(architecture: ia32, compiler: dartk, mode: release, runtime: vm, system: win, vm-options: [], dart2js-options: [], timeout: null, preview-dart-2) Suites tested: samples, standalone, standalone_2, corelib_2, language_2, vm, benchmark_smoke, utils, lib_2, analyze_library, service, kernel dartk-win-release-ia32(architecture: ia32, compiler: dartk, mode: release, runtime: vm, system: win, vm-options: [], dart2js-options: [], timeout: null, preview-dart-2) Suites tested: observatory_ui Total: 819 tests * 60 tests will be skipped (39 skipped by design) * 2 tests are expected to be flaky but not crash * 5 tests are expected to flaky crash * 712 tests are expected to pass * 2 tests are expected to fail that we won't fix * 35 tests are expected to fail that we should fix * 0 tests are expected to crash that we should fix * 0 tests are allowed to timeout * 3 could not be categorized or are in multiple categories FAILED: dartk-vm release_ia32 language_2/spread_collections/await_test Expected: CompileTimeError Actual: DartkCrash --- Command "vm" (took 03.000437s): set DART_CONFIGURATION=ReleaseIA32 & set DART_SUPPRESS_WER=1 & set DART_CRASHPAD_HANDLER=C:\b\s\w\ir\out\ReleaseIA32\crashpad_handler.exe & out\ReleaseIA32\dart.exe --enable-experiment=spread-collections --ignore-unrecognized-flags --packages=C:\b\s\w\ir\.packages C:\b\s\w\ir\tests\language_2\spread_collections\await_test.dart exit code: 252 stderr: NoSuchMethodError: The method '&' was called on null. Receiver: null Tried calling: &(7) #0 Object.noSuchMethod (dart:core/runtime/lib/object_patch.dart:50:5) #1 BinaryPrinter.visitVariableGet (package:kernel/binary/ast_to_binary.dart:1267:15) #2 VariableGet.accept (package:kernel/ast.dart:2258:36) #3 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #4 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #5 BinaryPrinter.visitMethodInvocation (package:kernel/binary/ast_to_binary.dart:1372:5) #6 MethodInvocation.accept (package:kernel/ast.dart:2857:36) #7 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #8 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #9 BinaryPrinter.visitVariableSet (package:kernel/binary/ast_to_binary.dart:1296:7) #10 VariableSet.accept (package:kernel/ast.dart:2285:36) #11 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #12 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #13 BinaryPrinter.visitExpressionStatement (package:kernel/binary/ast_to_binary.dart:1686:5) #14 ExpressionStatement.accept (package:kernel/ast.dart:3853:35) #15 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #16 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #17 BinaryPrinter.writeNodeList (package:kernel/binary/ast_to_binary.dart:290:7) #18 BinaryPrinter.visitBlock (package:kernel/binary/ast_to_binary.dart:1694:5) #19 Block.accept (package:kernel/ast.dart:3881:35) #20 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #21 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #22 BinaryPrinter.visitLabeledStatement (package:kernel/binary/ast_to_binary.dart:1728:5) #23 LabeledStatement.accept (package:kernel/ast.dart:3984:35) #24 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #25 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #26 BinaryPrinter.writeNodeList (package:kernel/binary/ast_to_binary.dart:290:7) #27 BinaryPrinter.visitBlock (package:kernel/binary/ast_to_binary.dart:1694:5) #28 Block.accept (package:kernel/ast.dart:3881:35) #29 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #30 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #31 BinaryPrinter.visitTryCatch (package:kernel/binary/ast_to_binary.dart:1843:5) #32 TryCatch.accept (package:kernel/ast.dart:4327:35) #33 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #34 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #35 BinaryPrinter.writeOptionalNode (package:kernel/binary/ast_to_binary.dart:457:7) #36 BinaryPrinter.visitFunctionNode (package:kernel/binary/ast_to_binary.dart:1249:5) #37 FunctionNode.accept (package:kernel/ast.dart:2111:30) #38 BinaryPrinter.writeFunctionNode (package:kernel/binary/ast_to_binary.dart:378:10) #39 BinaryPrinter.visitFunctionDeclaration (package:kernel/binary/ast_to_binary.dart:1919:5) #40 FunctionDeclaration.accept (package:kernel/ast.dart:4622:35) #41 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #42 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #43 BinaryPrinter.writeNodeList (package:kernel/binary/ast_to_binary.dart:290:7) #44 BinaryPrinter.visitBlock (package:kernel/binary/ast_to_binary.dart:1694:5) #45 Block.accept (package:kernel/ast.dart:3881:35) #46 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #47 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #48 BinaryPrinter.writeOptionalNode (package:kernel/binary/ast_to_binary.dart:457:7) #49 BinaryPrinter.visitFunctionNode (package:kernel/binary/ast_to_binary.dart:1249:5) #50 FunctionNode.accept (package:kernel/ast.dart:2111:30) #51 BinaryPrinter.writeFunctionNode (package:kernel/binary/ast_to_binary.dart:378:10) #52 BinaryPrinter.writeOptionalFunctionNode (package:kernel/binary/ast_to_binary.dart:466:7) #53 BinaryPrinter.visitProcedure (package:kernel/binary/ast_to_binary.dart:1125:5) #54 Procedure.accept (package:kernel/ast.dart:1773:32) #55 BinaryPrinter.writeProcedureNode (package:kernel/binary/ast_to_binary.dart:399:10) #56 BinaryPrinter.writeProcedureNodeList (package:kernel/binary/ast_to_binary.dart:299:7) #57 BinaryPrinter.visitLibrary (package:kernel/binary/ast_to_binary.dart:909:5) #58 Library.accept (package:kernel/ast.dart:435:30) #59 BinaryPrinter.writeLibraryNode (package:kernel/binary/ast_to_binary.dart:392:10) #60 LimitedBinaryPrinter.writeLibraries (package:kernel/binary/limited_ast_to_binary.dart:49:31) #61 BinaryPrinter.writeComponentFile (package:kernel/binary/ast_to_binary.dart:533:5) #62 serializeComponent (package:front_end/src/fasta/kernel/utils.dart:69:11) #63 _processLoadRequest (file:///C:/b/s/w/ir/cache/builder/sdk/pkg/vm/bin/kernel_service.dart:593:11) <asynchronous suspension> #64 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:171:12) --- Re-run this test: python tools/test.py -n dartk-win-release-ia32 language_2/spread_collections/await_test FAILED: dartk-vm release_ia32 language_2/spread_collections/spread_test Expected: CompileTimeError Actual: Pass --- Command "vm" (took 03.000864s): set DART_CONFIGURATION=ReleaseIA32 & set DART_SUPPRESS_WER=1 & set DART_CRASHPAD_HANDLER=C:\b\s\w\ir\out\ReleaseIA32\crashpad_handler.exe & out\ReleaseIA32\dart.exe --enable-experiment=spread-collections --ignore-unrecognized-flags --packages=C:\b\s\w\ir\.packages C:\b\s\w\ir\tests\language_2\spread_collections\spread_test.dart exit code: 0 --- Re-run this test: python tools/test.py -n dartk-win-release-ia32 language_2/spread_collections/spread_test FAILED: dartk-vm release_ia32 language_2/spread_collections/syntax_test Expected: CompileTimeError Actual: Pass --- Command "vm" (took 03.000499s): set DART_CONFIGURATION=ReleaseIA32 & set DART_SUPPRESS_WER=1 & set DART_CRASHPAD_HANDLER=C:\b\s\w\ir\out\ReleaseIA32\crashpad_handler.exe & out\ReleaseIA32\dart.exe --enable-experiment=spread-collections --ignore-unrecognized-flags --packages=C:\b\s\w\ir\.packages C:\b\s\w\ir\tests\language_2\spread_collections\syntax_test.dart exit code: 0 --- Re-run this test: python tools/test.py -n dartk-win-release-ia32 language_2/spread_collections/syntax_test 647 out of 759 completed Tests running for 5 minutes === Failure summary: FAILED: dartk-vm release_ia32 language_2/spread_collections/await_test Expected: CompileTimeError Actual: DartkCrash --- Command "vm" (took 03.000437s): set DART_CONFIGURATION=ReleaseIA32 & set DART_SUPPRESS_WER=1 & set DART_CRASHPAD_HANDLER=C:\b\s\w\ir\out\ReleaseIA32\crashpad_handler.exe & out\ReleaseIA32\dart.exe --enable-experiment=spread-collections --ignore-unrecognized-flags --packages=C:\b\s\w\ir\.packages C:\b\s\w\ir\tests\language_2\spread_collections\await_test.dart exit code: 252 stderr: NoSuchMethodError: The method '&' was called on null. Receiver: null Tried calling: &(7) #0 Object.noSuchMethod (dart:core/runtime/lib/object_patch.dart:50:5) #1 BinaryPrinter.visitVariableGet (package:kernel/binary/ast_to_binary.dart:1267:15) #2 VariableGet.accept (package:kernel/ast.dart:2258:36) #3 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #4 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #5 BinaryPrinter.visitMethodInvocation (package:kernel/binary/ast_to_binary.dart:1372:5) #6 MethodInvocation.accept (package:kernel/ast.dart:2857:36) #7 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #8 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #9 BinaryPrinter.visitVariableSet (package:kernel/binary/ast_to_binary.dart:1296:7) #10 VariableSet.accept (package:kernel/ast.dart:2285:36) #11 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #12 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #13 BinaryPrinter.visitExpressionStatement (package:kernel/binary/ast_to_binary.dart:1686:5) #14 ExpressionStatement.accept (package:kernel/ast.dart:3853:35) #15 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #16 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #17 BinaryPrinter.writeNodeList (package:kernel/binary/ast_to_binary.dart:290:7) #18 BinaryPrinter.visitBlock (package:kernel/binary/ast_to_binary.dart:1694:5) #19 Block.accept (package:kernel/ast.dart:3881:35) #20 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #21 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #22 BinaryPrinter.visitLabeledStatement (package:kernel/binary/ast_to_binary.dart:1728:5) #23 LabeledStatement.accept (package:kernel/ast.dart:3984:35) #24 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #25 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #26 BinaryPrinter.writeNodeList (package:kernel/binary/ast_to_binary.dart:290:7) #27 BinaryPrinter.visitBlock (package:kernel/binary/ast_to_binary.dart:1694:5) #28 Block.accept (package:kernel/ast.dart:3881:35) #29 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #30 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #31 BinaryPrinter.visitTryCatch (package:kernel/binary/ast_to_binary.dart:1843:5) #32 TryCatch.accept (package:kernel/ast.dart:4327:35) #33 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #34 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #35 BinaryPrinter.writeOptionalNode (package:kernel/binary/ast_to_binary.dart:457:7) #36 BinaryPrinter.visitFunctionNode (package:kernel/binary/ast_to_binary.dart:1249:5) #37 FunctionNode.accept (package:kernel/ast.dart:2111:30) #38 BinaryPrinter.writeFunctionNode (package:kernel/binary/ast_to_binary.dart:378:10) #39 BinaryPrinter.visitFunctionDeclaration (package:kernel/binary/ast_to_binary.dart:1919:5) #40 FunctionDeclaration.accept (package:kernel/ast.dart:4622:35) #41 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #42 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #43 BinaryPrinter.writeNodeList (package:kernel/binary/ast_to_binary.dart:290:7) #44 BinaryPrinter.visitBlock (package:kernel/binary/ast_to_binary.dart:1694:5) #45 Block.accept (package:kernel/ast.dart:3881:35) #46 BinaryPrinter.writeNode (package:kernel/binary/ast_to_binary.dart:371:10) #47 LimitedBinaryPrinter.writeNode (package:kernel/binary/limited_ast_to_binary.dart:56:11) #48 BinaryPrinter.writeOptionalNode (package:kernel/binary/ast_to_binary.dart:457:7) #49 BinaryPrinter.visitFunctionNode (package:kernel/binary/ast_to_binary.dart:1249:5) #50 FunctionNode.accept (package:kernel/ast.dart:2111:30) #51 BinaryPrinter.writeFunctionNode (package:kernel/binary/ast_to_binary.dart:378:10) #52 BinaryPrinter.writeOptionalFunctionNode (package:kernel/binary/ast_to_binary.dart:466:7) #53 BinaryPrinter.visitProcedure (package:kernel/binary/ast_to_binary.dart:1125:5) #54 Procedure.accept (package:kernel/ast.dart:1773:32) #55 BinaryPrinter.writeProcedureNode (package:kernel/binary/ast_to_binary.dart:399:10) #56 BinaryPrinter.writeProcedureNodeList (package:kernel/binary/ast_to_binary.dart:299:7) #57 BinaryPrinter.visitLibrary (package:kernel/binary/ast_to_binary.dart:909:5) #58 Library.accept (package:kernel/ast.dart:435:30) #59 BinaryPrinter.writeLibraryNode (package:kernel/binary/ast_to_binary.dart:392:10) #60 LimitedBinaryPrinter.writeLibraries (package:kernel/binary/limited_ast_to_binary.dart:49:31) #61 BinaryPrinter.writeComponentFile (package:kernel/binary/ast_to_binary.dart:533:5) #62 serializeComponent (package:front_end/src/fasta/kernel/utils.dart:69:11) #63 _processLoadRequest (file:///C:/b/s/w/ir/cache/builder/sdk/pkg/vm/bin/kernel_service.dart:593:11) <asynchronous suspension> #64 _RawReceivePortImpl._handleMessage (dart:isolate/runtime/lib/isolate_patch.dart:171:12) --- Re-run this test: python tools/test.py -n dartk-win-release-ia32 language_2/spread_collections/await_test FAILED: dartk-vm release_ia32 language_2/spread_collections/spread_test Expected: CompileTimeError Actual: Pass --- Command "vm" (took 03.000864s): set DART_CONFIGURATION=ReleaseIA32 & set DART_SUPPRESS_WER=1 & set DART_CRASHPAD_HANDLER=C:\b\s\w\ir\out\ReleaseIA32\crashpad_handler.exe & out\ReleaseIA32\dart.exe --enable-experiment=spread-collections --ignore-unrecognized-flags --packages=C:\b\s\w\ir\.packages C:\b\s\w\ir\tests\language_2\spread_collections\spread_test.dart exit code: 0 --- Re-run this test: python tools/test.py -n dartk-win-release-ia32 language_2/spread_collections/spread_test FAILED: dartk-vm release_ia32 language_2/spread_collections/syntax_test Expected: CompileTimeError Actual: Pass --- Command "vm" (took 03.000499s): set DART_CONFIGURATION=ReleaseIA32 & set DART_SUPPRESS_WER=1 & set DART_CRASHPAD_HANDLER=C:\b\s\w\ir\out\ReleaseIA32\crashpad_handler.exe & out\ReleaseIA32\dart.exe --enable-experiment=spread-collections --ignore-unrecognized-flags --packages=C:\b\s\w\ir\.packages C:\b\s\w\ir\tests\language_2\spread_collections\syntax_test.dart exit code: 0 --- Re-run this test: python tools/test.py -n dartk-win-release-ia32 language_2/spread_collections/syntax_test === === 3 tests failed === --- Total time: 05:47 --- 0:00:52.618559 - vm - dartk-vm release_ia32/service/rewind_test 0:00:39.527774 - vm - dartk-vm release_ia32/vm/dart/slow_path_shared_stub_test 0:00:37.375039 - vm - dartk-vm release_ia32/vm/dart/slow_path_shared_stub_test 0:00:26.171940 - vm - dartk-vm release_ia32/vm/dart/regress29620_test 0:00:23.531320 - vm - dartk-vm release_ia32/vm/dart/truncating_ints_test 0:00:21.621028 - vm - dartk-vm release_ia32/language_2/bit_shift_test 0:00:20.532244 - vm - dartk-vm release_ia32/corelib_2/typed_data_with_limited_ints_test 0:00:20.303780 - vm - dartk-vm release_ia32/language_2/vm/load_elimination_mark_stored_values_escaping_test 0:00:20.114570 - vm - dartk-vm release_ia32/language_2/generic_no_such_method_dispatcher_simple_test 0:00:19.697340 - vm - dartk-vm release_ia32/language_2/vm/regress_27671_test 0:00:19.585740 - vm - dartk-vm release_ia32/standalone_2/float_array_static_test 0:00:18.089202 - vm - dartk-vm release_ia32/service/mixin_break_test 0:00:17.975956 - vm - dartk-vm release_ia32/service/step_through_for_each_sync_star_test 0:00:17.861303 - vm - dartk-vm release_ia32/service/udp_socket_service_test 0:00:17.790987 - vm - dartk-vm release_ia32/service/evaluate_activation_test/instance 0:00:17.765611 - vm - dartk-vm release_ia32/service/string_escaping_test 0:00:17.664087 - vm - dartk-vm release_ia32/language_2/vm/type_of_call_via_getter_test 0:00:17.279293 - vm - dartk-vm release_ia32/language_2/vm/uint32_add_test 0:00:17.125022 - vm - dartk-vm release_ia32/service/bad_reload_test 0:00:17.125022 - vm - dartk-vm release_ia32/service/async_scope_test INFO: Enabling coredump archiving into C:\b\s\w\ir\crashes INFO: Core dump archiving is activated INFO: No unexpected crashes recorded 2019-03-18 15:37:48,528 - root: [DEBUG] Contents of task_output_dir: ['c:\\b\\s\\w\\ir\\tmp\\t\\tmp8az1lp\\43abb7fade7b5710'] 2019-03-18 15:37:48,529 - root: [WARNING] Expected output.json file missing: set(['c:\\b\\s\\w\\ir\\tmp\\t\\tmp8az1lp\\43abb7fade7b5710\\output.json']) Found: [] Expected: ['c:\\b\\s\\w\\ir\\tmp\\t\\tmp8az1lp\\43abb7fade7b5710\\output.json'] 2019-03-18 15:37:48,529 - root: [WARNING] No shard json files found in task_output_dir: 'c:\\b\\s\\w\\ir\\tmp\\t\\tmp8az1lp' Found ['c:\\b\\s\\w\\ir\\tmp\\t\\tmp8az1lp\\43abb7fade7b5710'] 2019-03-18 15:37:48,529 - root: [DEBUG] Found shard_json_files: ['c:\\b\\s\\w\\ir\\tmp\\t\\tmp8az1lp\\43abb7fade7b5710\\output.json'] 2019-03-18 15:37:48,529 - root: [INFO] merge_cmd: C:\b\s\w\ir\cache\vpython\691c07\Scripts\python.exe C:\b\s\w\ir\kitchen-checkout\build\scripts\slave\recipe_modules\chromium_swarming\resources\noop_merge.py --summary-json c:\b\s\w\ir\tmp\t\tmpwjevvn.json --task-output-dir c:\b\s\w\ir\tmp\t\tmp8az1lp -o c:\b\s\w\ir\tmp\t\tmp4rr9zk.json Running ['C:\\b\\s\\w\\ir\\cache\\vpython\\691c07\\Scripts\\python.exe', 'C:\\b\\s\\w\\ir\\kitchen-checkout\\build\\scripts\\slave\\recipe_modules\\chromium_swarming\\resources\\noop_merge.py', '--summary-json', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmpwjevvn.json', '--task-output-dir', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmp8az1lp', '-o', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmp4rr9zk.json'] in None (env: None) Command ['C:\\b\\s\\w\\ir\\cache\\vpython\\691c07\\Scripts\\python.exe', 'C:\\b\\s\\w\\ir\\kitchen-checkout\\build\\scripts\\slave\\recipe_modules\\chromium_swarming\\resources\\noop_merge.py', '--summary-json', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmpwjevvn.json', '--task-output-dir', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmp8az1lp', '-o', 'c:\\b\\s\\w\\ir\\tmp\\t\\tmp4rr9zk.json'] returned exit code 0