System.Formats.Nrbf.Tests timeout occasionally in the CI

[janvorli]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1353436
Build error leg or test failing: System.Formats.Nrbf.Tests.WorkItemExecution
Pull request: #126043

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": "'System.Formats.Nrbf.Tests' END OF WORK ITEM LOG: Command timed out, and was killed",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1353436
Error message validated: ['System.Formats.Nrbf.Tests' END OF WORK ITEM LOG: Command timed out, and was killed]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 3/31/2026 2:38:07 PM UTC

Report

Build	Definition	Test	Pull Request
1399212	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1398689	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#127465
1398624	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1397656	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1397424	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1397280	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1396883	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1396970	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1396665	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
2960038	dotnet-runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1396411	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1396313	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1395705	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1395131	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#127387
1394948	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#127323
1394540	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1394339	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1393668	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1392617	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1392578	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1392472	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1391077	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#126838
1391810	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1390512	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1390695	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1390445	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#127192
1390246	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#127250
1388819	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#126838
1388696	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1388505	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1388248	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#127192
1387747	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1386655	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1383732	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#127055
1383730	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#127054
1386420	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#126743
1386425	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1386238	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1385965	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1385862	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1385619	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
2954400	dotnet-runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1385233	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1385177	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1384677	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1384002	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#127081
1383767	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#127059
1381656	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#126988
1381613	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1381369	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1380835	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1380272	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#125439
1379766	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1378837	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1378235	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#125439
1377804	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1377624	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1377218	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1377204	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#125439
1376328	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1376110	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1375908	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1375562	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1375635	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1375332	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
2948765	dotnet-runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1374990	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1374903	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1374466	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1374148	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#125439
1373726	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#126743
1373303	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1373518	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1373392	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#126743
1372875	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#125439
1372860	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#126631
1372790	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1371974	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1371977	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1372007	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#125439
1371501	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1371256	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#126674
1370371	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#125437
1371070	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#126548
1370910	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#126652
1369438	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1369683	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1368982	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1368599	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1368366	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1365836	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1365117	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#126497
1365045	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1365221	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1364777	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1364780	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1364508	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1363553	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1363261	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution
1362636	dotnet/runtime	System.Formats.Nrbf.Tests.WorkItemExecution	#125441
Displaying 100 of 111 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
4	29	111

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[janvorli]

Another failure here: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1353069&view=ms.vss-test-web.build-test-results-tab&runId=37957614&resultId=223081&paneView=dotnet-dnceng.dnceng-build-release-tasks.helix-test-information-tab

[MihuBot]

I'm a bot. Here is a possible related and/or duplicate issue (I may be wrong):

• System.Formats.Nrbf.Tests timeouts #110285