stack.txt

    Stack Trace
       at Microsoft.CodeAnalysis.CommandLine.ExitingTraceListener.Exit(String originalMessage)
       at Microsoft.CodeAnalysis.CommandLine.ExitingTraceListener.WriteLine(String message)
       at System.Diagnostics.TraceListener.Fail(String message, String detailMessage)
       at System.Diagnostics.TraceInternal.Fail(String message, String detailMessage)
       at System.Diagnostics.TraceInternal.TraceProvider.Fail(String message, String detailMessage)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.GetConversionIfApplicable(BoundExpression conversionOpt, BoundExpression convertedNode)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitArguments(BoundExpression node, ImmutableArray`1 arguments, ImmutableArray`1 refKindsOpt, ImmutableArray`1 parametersOpt, ImmutableArray`1 argsToParamsOpt, Boolean expanded, Boolean invokedAsExtensionMethod, MethodSymbol method)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitArguments(BoundExpression node, ImmutableArray`1 arguments, ImmutableArray`1 refKindsOpt, MethodSymbol method, ImmutableArray`1 argsToParamsOpt, Boolean expanded, Boolean invokedAsExtensionMethod)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitObjectCreationExpression(BoundObjectCreationExpression node)
       at Microsoft.CodeAnalysis.CSharp.BoundObjectCreationExpression.Accept(BoundTreeVisitor visitor)
       at Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitExpressionWithoutStackGuard(BoundExpression node)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitExpressionWithoutStackGuard(BoundExpression node)
       at Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.VisitExpressionWithStackGuard(BoundExpression node)
       at Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.VisitExpressionWithStackGuard(Int32& recursionDepth, BoundExpression node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitWithStackGuard(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitAlways(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node, Boolean expressionIsRead)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitRvalue(BoundExpression node, Boolean isKnownToBeAnLvalue)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitRvalueWithState(BoundExpression node)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitOptionalImplicitConversion(BoundExpression expr, TypeWithAnnotations targetTypeOpt, Boolean useLegacyWarnings, Boolean trackMembers, AssignmentKind assignmentKind)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitReturnStatement(BoundReturnStatement node)
       at Microsoft.CodeAnalysis.CSharp.BoundReturnStatement.Accept(BoundTreeVisitor visitor)
       at Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitWithStackGuard(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitAlways(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node, Boolean expressionIsRead)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitStatement(BoundStatement statement)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitStatement(BoundStatement statement)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitStatementsWithLocalFunctions(BoundBlock block)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitBlock(BoundBlock node)
       at Microsoft.CodeAnalysis.CSharp.BoundBlock.Accept(BoundTreeVisitor visitor)
       at Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitWithStackGuard(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitAlways(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node, Boolean expressionIsRead)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.Scan(Boolean& badRegion)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Scan(Boolean& badRegion)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.Analyze(Boolean& badRegion, Optional`1 initialState)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Analyze(NullableWalker walker, Symbol symbol, DiagnosticBag diagnostics, VariableState initialState, Builder snapshotBuilderOpt)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Analyze(CSharpCompilation compilation, Symbol symbol, BoundNode node, Binder binder, Conversions conversions, DiagnosticBag diagnostics, Boolean useMethodSignatureParameterTypes, MethodSymbol delegateInvokeMethodOpt, VariableState initialState, Builder analyzedNullabilityMapOpt, Builder snapshotBuilderOpt, ArrayBuilder`1 returnTypesOpt)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Analyze(CSharpCompilation compilation, BoundLambda lambda, Conversions conversions, DiagnosticBag diagnostics, MethodSymbol delegateInvokeMethodOpt, VariableState initialState, Builder analyzedNullabilityMapOpt, Builder snapshotBuilderOpt, ArrayBuilder`1 returnTypesOpt)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitLambda(BoundLambda node, NamedTypeSymbol delegateTypeOpt, DiagnosticBag diagnostics, VariableState initialState)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitLambda(BoundLambda node)
       at Microsoft.CodeAnalysis.CSharp.BoundLambda.Accept(BoundTreeVisitor visitor)
       at Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitExpressionWithoutStackGuard(BoundExpression node)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitExpressionWithoutStackGuard(BoundExpression node)
       at Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.VisitExpressionWithStackGuard(BoundExpression node)
       at Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.VisitExpressionWithStackGuard(Int32& recursionDepth, BoundExpression node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitWithStackGuard(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitAlways(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node, Boolean expressionIsRead)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitRvalue(BoundExpression node, Boolean isKnownToBeAnLvalue)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitRvalueWithState(BoundExpression node)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitOptionalImplicitConversion(BoundExpression expr, TypeWithAnnotations targetTypeOpt, Boolean useLegacyWarnings, Boolean trackMembers, AssignmentKind assignmentKind)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitLocalDeclaration(BoundLocalDeclaration node)
       at Microsoft.CodeAnalysis.CSharp.BoundLocalDeclaration.Accept(BoundTreeVisitor visitor)
       at Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitWithStackGuard(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitAlways(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node, Boolean expressionIsRead)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitStatement(BoundStatement statement)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitStatement(BoundStatement statement)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitStatementsWithLocalFunctions(BoundBlock block)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.VisitBlock(BoundBlock node)
       at Microsoft.CodeAnalysis.CSharp.BoundBlock.Accept(BoundTreeVisitor visitor)
       at Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitWithStackGuard(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitAlways(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node, Boolean expressionIsRead)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitMethodBodies(BoundBlock blockBody, BoundBlock expressionBody)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitNonConstructorMethodBody(BoundNonConstructorMethodBody node)
       at Microsoft.CodeAnalysis.CSharp.BoundNonConstructorMethodBody.Accept(BoundTreeVisitor visitor)
       at Microsoft.CodeAnalysis.CSharp.BoundTreeVisitor.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitWithStackGuard(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitAlways(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node, Boolean expressionIsRead)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Visit(BoundNode node)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.Scan(Boolean& badRegion)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Scan(Boolean& badRegion)
       at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.Analyze(Boolean& badRegion, Optional`1 initialState)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Analyze(NullableWalker walker, Symbol symbol, DiagnosticBag diagnostics, VariableState initialState, Builder snapshotBuilderOpt)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.Analyze(CSharpCompilation compilation, Symbol symbol, BoundNode node, Binder binder, Conversions conversions, DiagnosticBag diagnostics, Boolean useMethodSignatureParameterTypes, MethodSymbol delegateInvokeMethodOpt, VariableState initialState, Builder analyzedNullabilityMapOpt, Builder snapshotBuilderOpt, ArrayBuilder`1 returnTypesOpt)
       at Microsoft.CodeAnalysis.CSharp.NullableWalker.AnalyzeAndRewrite(CSharpCompilation compilation, Symbol symbol, BoundNode node, Binder binder, DiagnosticBag diagnostics, Boolean createSnapshots, SnapshotManager& snapshotManager, ImmutableDictionary`2& remappedSymbols)
       at Microsoft.CodeAnalysis.CSharp.MethodCompiler.BindMethodBody(MethodSymbol method, TypeCompilationState compilationState, DiagnosticBag diagnostics, ImportChain& importChain, Boolean& originalBodyNested, InitialState& forSemanticModel)
       at Microsoft.CodeAnalysis.CSharp.MethodCompiler.CompileMethod(MethodSymbol methodSymbol, Int32 methodOrdinal, ProcessedFieldInitializers& processedInitializers, SynthesizedSubmissionFields previousSubmissionFields, TypeCompilationState compilationState)
       at Microsoft.CodeAnalysis.CSharp.MethodCompiler.CompileNamedType(NamedTypeSymbol containingType)
       at Microsoft.CodeAnalysis.CSharp.MethodCompiler.<>c__DisplayClass22_0.<CompileNamedTypeAsync>b__0()
       at Roslyn.Utilities.UICultureUtilities.<>c__DisplayClass5_0.<WithCurrentUICulture>b__0()
       at System.Threading.Tasks.Task.InnerInvoke()
       at System.Threading.Tasks.Task.<>c.<.cctor>b__274_0(Object obj)
       at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
       at System.Threading.Tasks.Task.ExecuteEntryUnsafe(Thread threadPoolThread)
       at System.Threading.Tasks.Task.ExecuteFromThreadPool(Thread threadPoolThread)
       at System.Threading.ThreadPoolWorkQueue.Dispatch()
       at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
    Log at: /opt/code/artifacts/Bootstrap/tasks/netcoreapp3.1/bincore/csc.dll.tracelog