StreamJsonRpc.RemoteInvocationException: The given key 'bar' was not present in the dictionary.
   at StreamJsonRpc.JsonRpc.d__154`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at Microsoft.CodeAnalysis.Remote.BrokeredServiceConnection`1.d__18`1.MoveNext()
RPC server exception:
System.Collections.Generic.KeyNotFoundException: The given key 'bar' was not present in the dictionary.
      at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
      at Microsoft.CodeAnalysis.CSharp.ControlFlowPass.VisitGotoStatement(BoundGotoStatement node)
      at Microsoft.CodeAnalysis.CSharp.ControlFlowPass.Visit(BoundNode node)
      at Microsoft.CodeAnalysis.CSharp.ControlFlowPass.VisitStatement(BoundStatement statement)
      at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.VisitStatements(ImmutableArray`1 statements)
      at Microsoft.CodeAnalysis.CSharp.ControlFlowPass.VisitBlock(BoundBlock node)
      at Microsoft.CodeAnalysis.CSharp.ControlFlowPass.Visit(BoundNode node)
      at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.Scan(Boolean& badRegion)
      at Microsoft.CodeAnalysis.CSharp.ControlFlowPass.Scan(Boolean& badRegion)
      at Microsoft.CodeAnalysis.CSharp.AbstractFlowPass`2.Analyze(Boolean& badRegion, Optional`1 initialState)
      at Microsoft.CodeAnalysis.CSharp.ControlFlowPass.Analyze(Boolean& badRegion, DiagnosticBag diagnostics)
      at Microsoft.CodeAnalysis.CSharp.ControlFlowPass.Analyze(CSharpCompilation compilation, Symbol member, BoundBlock block, DiagnosticBag diagnostics)
      at Microsoft.CodeAnalysis.CSharp.UnboundLambdaState.ReallyBind(NamedTypeSymbol delegateType, Boolean inExpressionTree)
      at Microsoft.CodeAnalysis.CSharp.UnboundLambdaState.Bind(NamedTypeSymbol delegateType, Boolean isTargetExpressionTree)
      at Microsoft.CodeAnalysis.CSharp.ConversionsBase.IsAnonymousFunctionCompatibleWithDelegate(UnboundLambda anonymousFunction, TypeSymbol type, CSharpCompilation compilation, Boolean isTargetExpressionTree)
      at Microsoft.CodeAnalysis.CSharp.ConversionsBase.IsAnonymousFunctionCompatibleWithType(UnboundLambda anonymousFunction, TypeSymbol type, CSharpCompilation compilation)
      at Microsoft.CodeAnalysis.CSharp.ConversionsBase.HasAnonymousFunctionConversion(BoundExpression source, TypeSymbol destination, CSharpCompilation compilation)
      at Microsoft.CodeAnalysis.CSharp.ConversionsBase.ClassifyImplicitBuiltInConversionFromExpression(BoundExpression sourceExpression, TypeSymbol source, TypeSymbol destination, CompoundUseSiteInfo`1& useSiteInfo)
      at Microsoft.CodeAnalysis.CSharp.ConversionsBase.ClassifyImplicitConversionFromExpression(BoundExpression sourceExpression, TypeSymbol destination, CompoundUseSiteInfo`1& useSiteInfo)
      at Microsoft.CodeAnalysis.CSharp.ConversionsBase.ClassifyConversionFromExpression(BoundExpression sourceExpression, TypeSymbol destination, Boolean isChecked, CompoundUseSiteInfo`1& useSiteInfo, Boolean forCast)
      at Microsoft.CodeAnalysis.CSharp.Binder.GenerateConversionForAssignment(TypeSymbol targetType, BoundExpression expression, BindingDiagnosticBag diagnostics, Conversion& conversion, ConversionForAssignmentFlags flags)
      at Microsoft.CodeAnalysis.CSharp.Binder.BindVariableDeclaration(SourceLocalSymbol localSymbol, LocalDeclarationKind kind, Boolean isVar, VariableDeclaratorSyntax declarator, TypeSyntax typeSyntax, TypeWithAnnotations declTypeOpt, AliasSymbol aliasOpt, BindingDiagnosticBag diagnostics, Boolean includeBoundType, CSharpSyntaxNode associatedSyntaxNode)
      at Microsoft.CodeAnalysis.CSharp.Binder.BindDeclarationStatementParts(LocalDeclarationStatementSyntax node, BindingDiagnosticBag diagnostics)
      at Microsoft.CodeAnalysis.CSharp.Binder.BindLocalDeclarationStatement(LocalDeclarationStatementSyntax node, BindingDiagnosticBag diagnostics)
      at Microsoft.CodeAnalysis.CSharp.Binder.BindStatement(StatementSyntax node, BindingDiagnosticBag diagnostics)
      at Microsoft.CodeAnalysis.CSharp.Binder.BindLabeled(LabeledStatementSyntax node, BindingDiagnosticBag diagnostics)
      at Microsoft.CodeAnalysis.CSharp.Binder.BindStatement(StatementSyntax node, BindingDiagnosticBag diagnostics)
      at Microsoft.CodeAnalysis.CSharp.Binder.BindSimpleProgramCompilationUnit(CompilationUnitSyntax compilationUnit, BindingDiagnosticBag diagnostics)
      at Microsoft.CodeAnalysis.CSharp.MethodCompiler.BindMethodBody(MethodSymbol method, TypeCompilationState compilationState, BindingDiagnosticBag diagnostics, Boolean includeInitializersInBody, BoundNode initializersBody, Boolean reportNullableDiagnostics, ImportChain& importChain, Boolean& originalBodyNested, Boolean& prependedDefaultValueTypeConstructorInitializer, 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__DisplayClass25_0.b__0()
      at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   --- End of stack trace from previous location ---
      at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
      at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
   --- End of stack trace from previous location ---
      at Microsoft.CodeAnalysis.CSharp.MethodCompiler.WaitForWorkers()
      at Microsoft.CodeAnalysis.CSharp.MethodCompiler.CompileMethodBodies(CSharpCompilation compilation, PEModuleBuilder moduleBeingBuiltOpt, Boolean emittingPdb, Boolean hasDeclarationErrors, Boolean emitMethodBodies, BindingDiagnosticBag diagnostics, Predicate`1 filterOpt, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.CSharp.CSharpCompilation.g__compileMethodBodiesAndDocComments|230_0(SyntaxTree filterTree, Nullable`1 filterSpan, BindingDiagnosticBag bindingDiagnostics, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.CSharp.CSharpCompilation.GetDiagnosticsForMethodBodiesInTree(SyntaxTree tree, Nullable`1 span, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.CSharp.CSharpCompilation.GetDiagnosticsForSyntaxTree(CompilationStage stage, SyntaxTree syntaxTree, Nullable`1 filterSpanWithinTree, Boolean includeEarlierStages, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.CSharp.SyntaxTreeSemanticModel.GetDiagnostics(Nullable`1 span, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.Diagnostics.CompilationWithAnalyzers.g__generateCompilationEvents|64_0(Compilation compilation, AnalysisScope analysisScope, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.Diagnostics.CompilationWithAnalyzers.GetCompilationEventsForSingleFileAnalysis(Compilation compilation, AnalysisScope analysisScope, ImmutableArray`1 additionalFiles, Boolean hasAnyActionsRequiringCompilationEvents, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.Diagnostics.CompilationWithAnalyzers.ComputeAnalyzerDiagnosticsAsync(AnalysisScope analysisScope, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.Diagnostics.CompilationWithAnalyzers.GetAnalysisResultCoreAsync(SemanticModel model, Nullable`1 filterSpan, ImmutableArray`1 analyzers, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.Diagnostics.Extensions.GetAnalysisResultAsync(CompilationWithAnalyzers compilationWithAnalyzers, DocumentAnalysisScope documentAnalysisScope, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.Diagnostics.Extensions.GetAnalysisResultAsync(CompilationWithAnalyzers compilationWithAnalyzers, DocumentAnalysisScope documentAnalysisScope, Project project, DiagnosticAnalyzerInfoCache analyzerInfoCache, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.Remote.Diagnostics.DiagnosticComputer.AnalyzeAsync(CompilationWithAnalyzers compilationWithAnalyzers, BidirectionalMap`2 analyzerToIdMap, ImmutableArray`1 analyzers, SkippedHostAnalyzersInfo skippedAnalyzersInfo, Boolean reportSuppressedDiagnostics, Boolean logPerformanceInfo, Boolean getTelemetryInfo, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.Remote.Diagnostics.DiagnosticComputer.GetDiagnosticsAsync(IEnumerable`1 analyzerIds, Boolean reportSuppressedDiagnostics, Boolean logPerformanceInfo, Boolean getTelemetryInfo, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.Remote.Diagnostics.DiagnosticComputer.GetNormalPriorityDiagnosticsAsync(IEnumerable`1 analyzerIds, Boolean reportSuppressedDiagnostics, Boolean logPerformanceInfo, Boolean getTelemetryInfo, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.Remote.RemoteDiagnosticAnalyzerService.<>c__DisplayClass4_0.<b__0>d.MoveNext()
   --- End of stack trace from previous location ---
      at Microsoft.CodeAnalysis.Remote.RemoteWorkspace.<>c__DisplayClass9_0`1.<g__ProcessSolutionAsync|1>d.MoveNext()
   --- End of stack trace from previous location ---
      at Microsoft.CodeAnalysis.Remote.RemoteWorkspace.RunWithSolutionAsync[T](AssetProvider assetProvider, Checksum solutionChecksum, Int32 workspaceVersion, Boolean updatePrimaryBranch, Func`2 implementation, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.Remote.RemoteWorkspace.RunWithSolutionAsync[T](AssetProvider assetProvider, Checksum solutionChecksum, Int32 workspaceVersion, Boolean updatePrimaryBranch, Func`2 implementation, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.Remote.BrokeredServiceBase.RunWithSolutionAsync[T](Checksum solutionChecksum, Func`2 implementation, CancellationToken cancellationToken)
      at Microsoft.CodeAnalysis.Remote.RemoteDiagnosticAnalyzerService.CalculateDiagnosticsAsync(Checksum solutionChecksum, DiagnosticArguments arguments, CancellationToken cancellationToken)