System.ObjectDisposedException : Cannot write to a closed TextWriter in printf in numerous tests #11800
Description
We've had several signed test runs fail recently with:
System.ObjectDisposedException : Cannot write to a closed TextWriter.
at System.IO.__Error.WriterClosed()
at System.IO.StringWriter.Write(String value)
at System.IO.TextWriter.SyncTextWriter.Write(String value)
at [email protected](FSharpList`1 _args, FSharpFunc`2 initial) in D:\workspace\_work\1\s\src\fsharp\FSharp.Core\printf.fs:line 1266
at Scripting.log[a](PrintfFormat`4 format) in D:\workspace\_work\1\s\src\scripts\scriptlib.fsx:line 81
at TestFramework.logConfig(TestConfig cfg) in D:\workspace\_work\1\s\tests\FSharp.Test.Utilities\TestFramework.fs:line 360
at TestFramework.initializeSuite() in D:\workspace\_work\1\s\tests\FSharp.Test.Utilities\TestFramework.fs:line 413
at [email protected](Unit unitVar) in D:\workspace\_work\1\s\tests\FSharp.Test.Utilities\TestFramework.fs:line 418
at System.Lazy`1.CreateValue()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Lazy`1.get_Value()
at TestFramework.testConfig(String testDir) in D:\workspace\_work\1\s\tests\FSharp.Test.Utilities\TestFramework.fs:line 436
at SingleTest.singleTestBuildAndRun(String dir, Permutation p) in D:\workspace\_work\1\s\tests\fsharp\single-test.fs:line 375
at [email protected](String dir, Permutation p) in D:\workspace\_work\1\s\tests\fsharp\tests.fs:line 35
at FSharp.Tests.Core.GeneratedSignatureTests.innerpoly-GENERATED_SIGNATURE() in D:\workspace\_work\1\s\tests\fsharp\tests.fs:line 3131
There are usually ~500 failures, all with the same stack trace.