Console log: 'System.Net.Quic.Functional.Tests' from job e04e4e2b-3660-4f09-a005-41c430d4c9cd (azurelinux.3.amd64.open.rt) using docker image mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-26.04-helix-amd64@sha256:fc02e7da4a120a698ec895bf09c78c9bf3b41bc93506ad2f737fc0ba30e76ee7 on a00373T running $HELIX_CORRELATION_PAYLOAD/scripts/3f18de7a64d44cdfbbe257d8d76912b7/execute.sh in /datadisks/disk1/work/A76D0932/w/B2D0097E/e max 900 seconds Output: [BEGIN EXECUTION] + cd /root/helix/work/workitem/e + mkdir -p /datadisks/disk1/dumps/ + /root/helix/work/correlation/scripts/3f18de7a64d44cdfbbe257d8d76912b7/execute.sh + export MONO_ENV_OPTIONS=--interpreter + export __TestArchitecture=x64 + ./RunTests.sh --runtime-path /root/helix/work/correlation ========================= Begin custom configuration settings ============================== export XUNIT_HIDE_PASSING_OUTPUT_DIAGNOSTICS=1 ========================== End custom configuration settings =============================== ----- start Thu Aug 6 12:14:41 PM UTC 2026 =============== To repro directly: ===================================================== pushd . /root/helix/work/correlation/dotnet exec --runtimeconfig System.Net.Quic.Functional.Tests.runtimeconfig.json --depsfile System.Net.Quic.Functional.Tests.deps.json xunit.console.dll System.Net.Quic.Functional.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.Net.Quic.Functional.Tests (method display = ClassAndMethod, method display options = None) Discovered: System.Net.Quic.Functional.Tests (found 147 of 158 test cases) Starting: System.Net.Quic.Functional.Tests (parallel test collections = on [2 threads], stop on fail = off) MsQuic supported and using 'libmsquic.so 2.5.6.135619876 (ac83e946bba303901dd34ff3d1d772e4c4061f1e)' (OpenSSL). System.Net.Quic.Tests.MsQuicPlatformDetectionTests.UnsupportedPlatforms_ThrowsPlatformNotSupportedException [SKIP] Condition(s) not met: "IsQuicUnsupported" System.Net.Quic.Tests.MsQuicTests.QuicRootedConnectionGetsReleased_ConnectFails [SKIP] Condition(s) not met: "IsNotMonoRuntime" System.Net.Quic.Tests.MsQuicTests.QuicRootedObjectGetReleased [SKIP] Condition(s) not met: "IsNotMonoRuntime" System.Net.Quic.Tests.QuicStreamConformanceTests.ZeroByteRead_BlocksUntilDataAvailableOrNops(mode: AsyncMemory) [FAIL] Assert.False() Failure Expected: False Actual: True Stack Trace: /_/src/libraries/Common/tests/StreamConformanceTests/System/IO/StreamConformanceTests.cs(2330,0): at System.IO.Tests.ConnectedStreamConformanceTests.ZeroByteRead_BlocksUntilDataAvailableOrNops(ReadWriteMode mode) --- End of stack trace from previous location --- MsQuic Counters: CONN_CREATED 1624 CONN_HANDSHAKE_FAIL 26 CONN_APP_REJECT 8 CONN_LOAD_REJECT 0 Unobserved exceptions of 0 different types: Finished: System.Net.Quic.Functional.Tests === TEST EXECUTION SUMMARY === System.Net.Quic.Functional.Tests Total: 440, Errors: 0, Failed: 1, Skipped: 3, Time: 106.048s /root/helix/work/workitem/e ----- end Thu Aug 6 12:16:27 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.* ... The '__IsXUnitLogCheckerSupported' env var is not set. + export _commandExitCode=0 + find . -maxdepth 5 ( -iname *.trx -o -iname testResults.xml -o -iname test-results.xml -o -iname test_results.xml -o -iname junit-results.xml -o -iname junitresults.xml ) -print0 + xargs -0 -I {} sh -c mkdir -p "$HELIX_WORKITEM_UPLOAD_ROOT/$" && cp -f "{}" "$HELIX_WORKITEM_UPLOAD_ROOT/{}" + exit 0 + _commandExitCode=0 + chmod -R 777 /datadisks/disk1/dumps + exit 0 [END EXECUTION] Exit Code:0