Console log: 'System.Threading.Tests' from job fcae39a5-461a-447d-9329-c0c018a3946b (azurelinux.3.amd64.open.rt) using docker image mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-26.04-helix-amd64@sha256:f481273f9ce3fe5e1b005a088dbc4299640729c7edcc1f9e0f7bbc005218f531 on a00K6Y1 running $HELIX_CORRELATION_PAYLOAD/scripts/cb513eefe3fc474988db8f1fcc896b22/execute.sh in /datadisks/disk1/work/B2330944/w/A2A2086D/e max 900 seconds Output: [BEGIN EXECUTION] + cd /root/helix/work/workitem/e + mkdir -p /datadisks/disk1/dumps/ + /root/helix/work/correlation/scripts/cb513eefe3fc474988db8f1fcc896b22/execute.sh + export __TestArchitecture=x64 + ./RunTests.sh --runtime-path /root/helix/work/correlation ========================= Begin custom configuration settings ============================== export __IsXUnitLogCheckerSupported=1 export XUNIT_HIDE_PASSING_OUTPUT_DIAGNOSTICS=1 ========================== End custom configuration settings =============================== ----- start Tue Jun 30 08:12:01 PM UTC 2026 =============== To repro directly: ===================================================== pushd . /root/helix/work/correlation/dotnet exec --runtimeconfig System.Threading.Tests.runtimeconfig.json --depsfile System.Threading.Tests.deps.json xunit.console.dll System.Threading.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing popd =========================================================================================================== /root/helix/work/workitem/e /root/helix/work/workitem/e Discovering: System.Threading.Tests (method display = ClassAndMethod, method display options = None) Discovered: System.Threading.Tests (found 335 of 365 test cases) Starting: System.Threading.Tests (parallel test collections = on [2 threads], stop on fail = off) System.Threading.Tests.MutexTests.CrossProcess_NamedMutex_ConcurrentCreateOrOpen(currentUserOnly: False, currentSessionOnly: False) [FAIL] Assert.Equal() Failure: Values differ Expected: 1 Actual: 2 Stack Trace: /_/src/libraries/System.Threading/tests/MutexTests.cs(911,0): at System.Threading.Tests.MutexTests.CrossProcess_NamedMutex_ConcurrentCreateOrOpen(Boolean currentUserOnly, Boolean currentSessionOnly) at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result) at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result) /_/src/coreclr/System.Private.CoreLib/src/System/RuntimeHandles.cs(1188,0): at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor) /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs(37,0): at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs(174,0): at System.Reflection.MethodBaseInvoker.InvokeDirectByRefWithFewArgs(Object obj, Span`1 copyOfArgs, BindingFlags invokeAttr) Finished: System.Threading.Tests === TEST EXECUTION SUMMARY === System.Threading.Tests Total: 713, Errors: 0, Failed: 1, Skipped: 0, Time: 24.516s /root/helix/work/workitem/e ----- end Tue Jun 30 08:12:27 PM UTC 2026 ----- exit code 1 ---------------------------------------------------------- ulimit -c value: unlimited cat /proc/sys/kernel/core_pattern: /datadisks/disk1/dumps/core.%u.%p cat /proc/sys/kernel/core_uses_pid: 1 cat: /proc/sys/kernel/coredump_filter: No such file or directory cat /proc/sys/kernel/coredump_filter: Looking around for any Linux dumps... Looking for files matching core.* ... XUnitLogChecker status: 1 ----- start =============== XUnitLogChecker Output ===================================================== No dumps found in /datadisks/disk1/dumps. ----- end =============== XUnitLogChecker Output - exit code 0 =========================== + export _commandExitCode=0 + python /root/helix/work/correlation/reporter/run.py https://dev.azure.com/dnceng-public/ public 41065266 eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6ImFGa21LVkZjLTRXVjZzWENCdk5aa1hJNTA1WSIsImtpZCI6ImFGa21LVkZjLTRXVjZzWENCdk5aa1hJNTA1WSJ9.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.SMyGp8G0CDoJViQ6f1KeYf1oxRaAEyGN0vkpZOnjEFDrjrRyUkSSLoQV_bxkrSD39abTzN0FcMitRQWWYKPTb0mL_qLrKT290LdPg5JUveQK4iO_QFcEzKjfBpprDm1c1axj-fHGQMnPyh_7wy7TUZm3ejqT8f90FPDkzfGZGjs3FkmG0Tgm0X4NG6lZFwbYlc4hdnyxUjQQ1K5WM5Y0dxg0ibx8vuHpAfCoIPoeTnJ8-a4xO74KsxWv_ZywFSFwPrL8zuDCCXHC0HikeyEvtuhqvUtbKuQGzmVD_rl7mfVjAwUCnzijysJS_htASB5uaANjHskZwwdAP-Xlzky0Uw /home/helixbot/.vsts-env/lib/python3.14/site-packages/azure/__init__.py:5: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81. import pkg_resources 2026-06-30T20:12:27.550Z INFO run.py managed_identity(151) __init__ ManagedIdentityCredential will use IMDS with client_id: 3423231b-6b9e-4177-8817-76276b647404 2026-06-30T20:12:27.550Z INFO run.py azure_utils(32) get_credential_and_access_token VMSSManagedIdentity VmssMIClientIdForUpload Auth type will be used 2026-06-30T20:12:27.551Z INFO run.py _universal(535) on_request Request URL: 'http://169.254.169.254/metadata/identity/oauth2/token?api-version=2018-02-01&resource=REDACTED&client_id=REDACTED' Request method: 'GET' Request headers: 'Metadata': 'REDACTED' 'x-client-SKU': 'REDACTED' 'x-client-Ver': 'REDACTED' 'x-ms-client-request-id': '660624d4-2b33-4742-9c77-1996244b8374' 'User-Agent': 'azsdk-python-identity/1.25.3 Python/3.14.4 (Linux-6.6.139.1-1.azl3-x86_64-with-glibc2.43)' No body was attached to the request 2026-06-30T20:12:27.560Z INFO run.py _universal(581) on_response Response status: 200 Response headers: 'Content-Type': 'application/json; charset=utf-8' 'Server': 'IMDS/150.870.65.2118' 'x-ms-request-id': '660624d4-2b33-4742-9c77-1996244b8374' 'Date': 'Tue, 30 Jun 2026 20:12:26 GMT' 'Content-Length': '2479' 2026-06-30T20:12:27.561Z INFO run.py msal_managed_identity_client(165) _get_token_base ImdsCredential.get_token succeeded 2026-06-30T20:12:27.561Z INFO run.py decorators(24) wrapper ManagedIdentityCredential.get_token succeeded 2026-06-30T20:12:27.561Z INFO run.py azure_utils(64) get_credential_and_access_token Credentials are valid 2026-06-30T20:12:27.562Z INFO run.py msal_managed_identity_client(165) _get_token_base ImdsCredential.get_token_info succeeded 2026-06-30T20:12:27.562Z INFO run.py decorators(24) wrapper ManagedIdentityCredential.get_token_info succeeded 2026-06-30T20:12:27.706Z INFO run.py run(67) main Beginning reading of test results. 2026-06-30T20:12:27.706Z INFO run.py __init__(49) read_results Searching '/root/helix/work/workitem/e' for test results files 2026-06-30T20:12:27.706Z INFO run.py __init__(55) read_results Found results file /root/helix/work/workitem/e/testResults.xml with format xunit 2026-06-30T20:12:27.710Z INFO run.py __init__(49) read_results Searching '/root/helix/work/workitem/uploads' for test results files 2026-06-30T20:12:27.710Z INFO run.py packing_test_reporter(30) report_results Packing 713 test reports to '/root/helix/work/workitem/e/__test_report.json' 2026-06-30T20:12:27.711Z INFO run.py packing_test_reporter(33) report_results Packed 172661 bytes 2026-06-30T20:12:27.712Z INFO run.py _helix_compat(255) report_results Writing 0 test results to '/root/helix/work/workitem/e/__test_report_v2.json' (JSON v1) 2026-06-30T20:12:27.712Z INFO run.py _helix_compat(261) report_results Wrote 3167 bytes to '/root/helix/work/workitem/e/__test_report_v2.json' + python /root/helix/work/correlation/gen-debug-dump-docs.py -buildid 1488455 -workitem System.Threading.Tests -jobid fcae39a5-461a-447d-9329-c0c018a3946b -outdir /root/helix/work/workitem/uploads -templatedir /root/helix/work/correlation -dumpdir /datadisks/disk1/dumps -productver 11.0.0 gen-debug-dump-docs.py: Did not find dumps, skipping dump docs generation. + exit 0 + _commandExitCode=0 + chmod -R 777 /datadisks/disk1/dumps + exit 0 [END EXECUTION] Exit Code:0