Console log: 'System.Formats.Tar.Tests' from job 46378e0e-f747-4e42-864c-24fe520119ba workitem 5fec21a6-ea42-459f-a123-dde6d28c2dbb (windows.10.amd64.open.svc) executed on machine a00CP4N running Windows-2016Server-10.0.14393-SP0 C:\h\w\A1DE08ED\w\B7CC0A2B\e>set _NT_SYMBOL_PATH=C:\h\w\A1DE08ED\p;C:\h\w\A1DE08ED\p\PDB;C:\h\w\A1DE08ED\p\shared\Microsoft.NETCore.App\9.0.20 C:\h\w\A1DE08ED\w\B7CC0A2B\e>C:\h\w\A1DE08ED\p\dotnet C:\h\w\A1DE08ED\p\sos\tools\net6.0\any\dotnet-sos.dll install --architecture x86 Installing SOS to C:\Users\runner\.dotnet\sos Installing over existing installation... Creating installation directory... Copying files from C:\h\w\A1DE08ED\p\sos\tools\net6.0\any\win-x86 Copying files from C:\h\w\A1DE08ED\p\sos\tools\net6.0\any\lib Execute '.load C:\Users\runner\.dotnet\sos\sos.dll' to load SOS in your Windows debugger. Cleaning up... SOS install succeeded C:\h\w\A1DE08ED\w\B7CC0A2B\e>taskkill.exe /f /im corerun.exe ERROR: The process "corerun.exe" not found. C:\h\w\A1DE08ED\w\B7CC0A2B\e>set __TestArchitecture=x86 C:\h\w\A1DE08ED\w\B7CC0A2B\e>call RunTests.cmd --runtime-path C:\h\w\A1DE08ED\p ========================= Begin custom configuration settings ============================== set __IsXUnitLogCheckerSupported=1 set XUNIT_HIDE_PASSING_OUTPUT_DIAGNOSTICS=1 ========================== End custom configuration settings =============================== ----- start Wed 08/05/2026 18:54:52.81 =============== To repro directly: ===================================================== pushd C:\h\w\A1DE08ED\w\B7CC0A2B\e\ "C:\h\w\A1DE08ED\p\dotnet.exe" exec --runtimeconfig System.Formats.Tar.Tests.runtimeconfig.json --depsfile System.Formats.Tar.Tests.deps.json xunit.console.dll System.Formats.Tar.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing popd =========================================================================================================== C:\h\w\A1DE08ED\w\B7CC0A2B\e>"C:\h\w\A1DE08ED\p\dotnet.exe" exec --runtimeconfig System.Formats.Tar.Tests.runtimeconfig.json --depsfile System.Formats.Tar.Tests.deps.json xunit.console.dll System.Formats.Tar.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing Discovering: System.Formats.Tar.Tests (method display = ClassAndMethod, method display options = None) Discovered: System.Formats.Tar.Tests (found 697 test cases) Starting: System.Formats.Tar.Tests (parallel test collections = on [4 threads], stop on fail = off) System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile [FAIL] Assert.Throws() Failure: Exception type was not an exact match Expected: typeof(System.UnauthorizedAccessException) Actual: typeof(System.IO.IOException) ---- System.IO.IOException : Cannot create 'C:\h\w\A1DE08ED\t\xub5v5z4.eqh\dest\a\b' because a file or directory with the same name already exists. Stack Trace: /_/src/libraries/System.Formats.Tar/tests/TarFile/TarFile.ExtractToDirectory.File.Tests.cs(449,0): at System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile() at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor) /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs(36,0): at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs(57,0): at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr) ----- Inner Stack Trace ----- /_/src/libraries/Common/src/System/IO/FileSystem.DirectoryCreation.Windows.cs(138,0): at System.IO.FileSystem.CreateDirectory(String fullPath, Byte[] securityDescriptor) /_/src/libraries/System.Private.CoreLib/src/System/IO/Directory.cs(34,0): at System.IO.Directory.CreateDirectory(String path) /_/src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarHelpers.Windows.cs(18,0): at System.Formats.Tar.TarHelpers.CreateDirectory(String fullPath, Nullable`1 mode, SortedDictionary`2 pendingModes) /_/src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarEntry.cs(315,0): at System.Formats.Tar.TarEntry.ExtractRelativeToDirectory(String destinationDirectoryPath, Boolean overwrite, SortedDictionary`2 pendingModes, Stack`1 directoryModificationTimes) /_/src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarFile.cs(467,0): at System.Formats.Tar.TarFile.ExtractToDirectoryInternal(Stream source, String destinationDirectoryFullPath, Boolean overwriteFiles, Boolean leaveOpen) /_/src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarFile.cs(276,0): at System.Formats.Tar.TarFile.ExtractToDirectory(String sourceFileName, String destinationDirectoryName, Boolean overwriteFiles) /_/src/libraries/System.Formats.Tar/tests/TarFile/TarFile.ExtractToDirectory.File.Tests.cs(449,0): at System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.<>c__DisplayClass14_0.b__0() Finished: System.Formats.Tar.Tests === TEST EXECUTION SUMMARY === System.Formats.Tar.Tests Total: 6338, Errors: 0, Failed: 1, Skipped: 0, Time: 29.680s ----- end Wed 08/05/2026 18:55:41.04 ----- exit code 1 ---------------------------------------------------------- C:\h\scripts\helix-scripts\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 2026-08-05T18:55:42.045Z INFO run.py managed_identity(151) __init__ ManagedIdentityCredential will use IMDS with client_id: 3423231b-6b9e-4177-8817-76276b647404 2026-08-05T18:55:42.045Z INFO run.py azure_utils(32) get_credential_and_access_token VMSSManagedIdentity VmssMIClientIdForUpload Auth type will be used 2026-08-05T18:55:42.046Z 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': '97e314c4-701e-40ae-89d7-fc1e2b9ef51c' 'User-Agent': 'azsdk-python-identity/1.25.3 Python/3.13.13 (Windows-2016Server-10.0.14393-SP0)' No body was attached to the request 2026-08-05T18:55:42.064Z INFO run.py _universal(581) on_response Response status: 200 Response headers: 'Content-Type': 'application/json; charset=utf-8' 'Server': 'IMDS/150.870.65.2128' 'x-ms-request-id': '97e314c4-701e-40ae-89d7-fc1e2b9ef51c' 'Date': 'Wed, 05 Aug 2026 18:55:41 GMT' 'Content-Length': '2533' 2026-08-05T18:55:42.065Z INFO run.py msal_managed_identity_client(165) _get_token_base ImdsCredential.get_token succeeded 2026-08-05T18:55:42.066Z INFO run.py decorators(24) wrapper ManagedIdentityCredential.get_token succeeded 2026-08-05T18:55:42.066Z INFO run.py azure_utils(64) get_credential_and_access_token Credentials are valid 2026-08-05T18:55:42.068Z INFO run.py msal_managed_identity_client(165) _get_token_base ImdsCredential.get_token_info succeeded 2026-08-05T18:55:42.068Z INFO run.py decorators(24) wrapper ManagedIdentityCredential.get_token_info succeeded 2026-08-05T18:55:42.517Z INFO run.py run(48) main Beginning reading of test results. 2026-08-05T18:55:42.517Z INFO run.py __init__(42) read_results Searching 'C:\h\w\A1DE08ED\w\B7CC0A2B\e' for test results files 2026-08-05T18:55:42.517Z INFO run.py __init__(48) read_results Found results file C:\h\w\A1DE08ED\w\B7CC0A2B\e\testResults.xml with format xunit 2026-08-05T18:55:42.575Z INFO run.py __init__(42) read_results Searching 'C:\h\w\A1DE08ED\w\B7CC0A2B\uploads' for test results files 2026-08-05T18:55:42.576Z INFO run.py packing_test_reporter(30) report_results Packing 6338 test reports to 'C:\h\w\A1DE08ED\w\B7CC0A2B\e\__test_report.json' 2026-08-05T18:55:42.601Z INFO run.py packing_test_reporter(33) report_results Packed 2160531 bytes ERROR: The process "corerun.exe" not found. gen-debug-dump-docs.py: Did not find dumps, skipping dump docs generation. ['System.Formats.Tar.Tests' END OF WORK ITEM LOG: Command exited with 0]