at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
---> (Inner Exception #0) System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.NullReferenceException: Object reference not set to an instance of an object
  at Microsoft.CodeAnalysis.CSharp.Symbols.SymbolExtensions.CheckUnsafeModifier (Microsoft.CodeAnalysis.CSharp.Symbol symbol, Microsoft.CodeAnalysis.CSharp.DeclarationModifiers modifiers, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00008] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.MakeModifiers (Microsoft.CodeAnalysis.SyntaxTokenList modifiers, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, System.Boolean& modifierErrors) [0x0004b] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol..ctor (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol explicitInterfaceType, System.String name, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00085] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.CreateMethodSymbol (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Binder bodyBinder, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00035] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddNonTypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.SyntaxList`1[TNode] members, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00206] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddDeclaredNontypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x000f1] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.BuildMembersAndInitializers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00006] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersAndInitializers () [0x00012] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.MakeAllMembers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00000] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByNameSlow () [0x0000e] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByName () [0x00019] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x001d7] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
---> (Inner Exception #0) System.AggregateException: One or more errors occurred. ---> System.NullReferenceException: Object reference not set to an instance of an object
  at Microsoft.CodeAnalysis.CSharp.Symbols.SymbolExtensions.CheckUnsafeModifier (Microsoft.CodeAnalysis.CSharp.Symbol symbol, Microsoft.CodeAnalysis.CSharp.DeclarationModifiers modifiers, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00008] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.MakeModifiers (Microsoft.CodeAnalysis.SyntaxTokenList modifiers, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, System.Boolean& modifierErrors) [0x0004b] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol..ctor (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol explicitInterfaceType, System.String name, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00085] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.CreateMethodSymbol (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Binder bodyBinder, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00035] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddNonTypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.SyntaxList`1[TNode] members, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00206] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddDeclaredNontypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x000f1] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.BuildMembersAndInitializers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00006] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersAndInitializers () [0x00012] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.MakeAllMembers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00000] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByNameSlow () [0x0000e] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByName () [0x00019] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x001d7] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
---> (Inner Exception #0) System.NullReferenceException: Object reference not set to an instance of an object
  at Microsoft.CodeAnalysis.CSharp.Symbols.SymbolExtensions.CheckUnsafeModifier (Microsoft.CodeAnalysis.CSharp.Symbol symbol, Microsoft.CodeAnalysis.CSharp.DeclarationModifiers modifiers, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00008] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.MakeModifiers (Microsoft.CodeAnalysis.SyntaxTokenList modifiers, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, System.Boolean& modifierErrors) [0x0004b] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol..ctor (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol explicitInterfaceType, System.String name, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00085] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.CreateMethodSymbol (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Binder bodyBinder, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00035] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddNonTypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.SyntaxList`1[TNode] members, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00206] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddDeclaredNontypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x000f1] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.BuildMembersAndInitializers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00006] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersAndInitializers () [0x00012] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.MakeAllMembers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00000] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByNameSlow () [0x0000e] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByName () [0x00019] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x001d7] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 <---
<---
<---
<---
<---

[ERROR] FATAL UNHANDLED EXCEPTION: System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.NullReferenceException: Object reference not set to an instance of an object
  at Microsoft.CodeAnalysis.CSharp.Symbols.SymbolExtensions.CheckUnsafeModifier (Microsoft.CodeAnalysis.CSharp.Symbol symbol, Microsoft.CodeAnalysis.CSharp.DeclarationModifiers modifiers, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00008] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.MakeModifiers (Microsoft.CodeAnalysis.SyntaxTokenList modifiers, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, System.Boolean& modifierErrors) [0x0004b] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol..ctor (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol explicitInterfaceType, System.String name, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00085] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.CreateMethodSymbol (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Binder bodyBinder, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00035] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddNonTypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.SyntaxList`1[TNode] members, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00206] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddDeclaredNontypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x000f1] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.BuildMembersAndInitializers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00006] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersAndInitializers () [0x00012] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.MakeAllMembers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00000] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByNameSlow () [0x0000e] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByName () [0x00019] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x001d7] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceModuleSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x000b8] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceAssemblySymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x000a5] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.CSharpCompilation.GetSourceDeclarationDiagnostics (Microsoft.CodeAnalysis.SyntaxTree syntaxTree, System.Nullable`1[T] filterSpanWithinTree, System.Func`4[T1,T2,T3,TResult] locationFilterOpt, System.Threading.CancellationToken cancellationToken) [0x00040] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.CSharpCompilation.GetDiagnostics (Microsoft.CodeAnalysis.CompilationStage stage, System.Boolean includeEarlierStages, System.Threading.CancellationToken cancellationToken) [0x0023b] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.CSharpCompilation.GetDeclarationDiagnostics (System.Threading.CancellationToken cancellationToken) [0x00000] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CommonCompiler.RunCore (System.IO.TextWriter consoleOutput, Microsoft.CodeAnalysis.ErrorLogger errorLogger, System.Threading.CancellationToken cancellationToken) [0x001ab] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at Microsoft.CodeAnalysis.CommonCompiler.Run (System.IO.TextWriter consoleOutput, System.Threading.CancellationToken cancellationToken) [0x00035] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at Microsoft.CodeAnalysis.CSharp.CommandLine.Csc+<>c__DisplayClass1_0.<Run>b__0 (System.IO.TextWriter tw) [0x00000] in <c840aa63e02d4d13b018b987619c89dc>:0 
  at Microsoft.CodeAnalysis.CommandLine.ConsoleUtil.RunWithUtf8Output[T] (System.Boolean utf8Output, System.IO.TextWriter textWriter, System.Func`2[T,TResult] func) [0x0001d] in <c840aa63e02d4d13b018b987619c89dc>:0 
  at Microsoft.CodeAnalysis.CSharp.CommandLine.Csc.Run (System.String[] args, Microsoft.CodeAnalysis.BuildPaths buildPaths, System.IO.TextWriter textWriter, Microsoft.CodeAnalysis.IAnalyzerAssemblyLoader analyzerLoader) [0x00048] in <c840aa63e02d4d13b018b987619c89dc>:0 
  at (wrapper delegate-invoke) <Module>:invoke_int_string[]_BuildPaths_TextWriter_IAnalyzerAssemblyLoader (string[],Microsoft.CodeAnalysis.BuildPaths,System.IO.TextWriter,Microsoft.CodeAnalysis.IAnalyzerAssemblyLoader)
  at Microsoft.CodeAnalysis.CommandLine.DesktopBuildClient.RunLocalCompilation (System.String[] arguments, Microsoft.CodeAnalysis.BuildPaths buildPaths, System.IO.TextWriter textWriter) [0x00000] in <c840aa63e02d4d13b018b987619c89dc>:0 
  at Microsoft.CodeAnalysis.CommandLine.BuildClient.RunCompilation (System.Collections.Generic.IEnumerable`1[T] originalArguments, Microsoft.CodeAnalysis.BuildPaths buildPaths, System.IO.TextWriter textWriter) [0x0009d] in <c840aa63e02d4d13b018b987619c89dc>:0 
  at Microsoft.CodeAnalysis.CommandLine.DesktopBuildClient.Run (System.Collections.Generic.IEnumerable`1[T] arguments, Microsoft.CodeAnalysis.CommandLine.RequestLanguage language, Microsoft.CodeAnalysis.CommandLine.CompileFunc compileFunc, Microsoft.CodeAnalysis.IAnalyzerAssemblyLoader analyzerAssemblyLoader) [0x00037] in <c840aa63e02d4d13b018b987619c89dc>:0 
  at Microsoft.CodeAnalysis.CSharp.CommandLine.Program.MainCore (System.String[] args) [0x00017] in <c840aa63e02d4d13b018b987619c89dc>:0 
  at Microsoft.CodeAnalysis.CSharp.CommandLine.Program.Main (System.String[] args) [0x00000] in <c840aa63e02d4d13b018b987619c89dc>:0 
---> (Inner Exception #0) System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.NullReferenceException: Object reference not set to an instance of an object
  at Microsoft.CodeAnalysis.CSharp.Symbols.SymbolExtensions.CheckUnsafeModifier (Microsoft.CodeAnalysis.CSharp.Symbol symbol, Microsoft.CodeAnalysis.CSharp.DeclarationModifiers modifiers, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00008] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.MakeModifiers (Microsoft.CodeAnalysis.SyntaxTokenList modifiers, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, System.Boolean& modifierErrors) [0x0004b] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol..ctor (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol explicitInterfaceType, System.String name, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00085] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.CreateMethodSymbol (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Binder bodyBinder, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00035] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddNonTypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.SyntaxList`1[TNode] members, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00206] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddDeclaredNontypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x000f1] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.BuildMembersAndInitializers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00006] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersAndInitializers () [0x00012] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.MakeAllMembers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00000] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByNameSlow () [0x0000e] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByName () [0x00019] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x001d7] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
---> (Inner Exception #0) System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.NullReferenceException: Object reference not set to an instance of an object
  at Microsoft.CodeAnalysis.CSharp.Symbols.SymbolExtensions.CheckUnsafeModifier (Microsoft.CodeAnalysis.CSharp.Symbol symbol, Microsoft.CodeAnalysis.CSharp.DeclarationModifiers modifiers, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00008] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.MakeModifiers (Microsoft.CodeAnalysis.SyntaxTokenList modifiers, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, System.Boolean& modifierErrors) [0x0004b] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol..ctor (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol explicitInterfaceType, System.String name, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00085] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.CreateMethodSymbol (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Binder bodyBinder, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00035] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddNonTypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.SyntaxList`1[TNode] members, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00206] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddDeclaredNontypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x000f1] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.BuildMembersAndInitializers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00006] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersAndInitializers () [0x00012] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.MakeAllMembers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00000] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByNameSlow () [0x0000e] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByName () [0x00019] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x001d7] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
---> (Inner Exception #0) System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.NullReferenceException: Object reference not set to an instance of an object
  at Microsoft.CodeAnalysis.CSharp.Symbols.SymbolExtensions.CheckUnsafeModifier (Microsoft.CodeAnalysis.CSharp.Symbol symbol, Microsoft.CodeAnalysis.CSharp.DeclarationModifiers modifiers, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00008] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.MakeModifiers (Microsoft.CodeAnalysis.SyntaxTokenList modifiers, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, System.Boolean& modifierErrors) [0x0004b] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol..ctor (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol explicitInterfaceType, System.String name, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00085] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.CreateMethodSymbol (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Binder bodyBinder, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00035] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddNonTypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.SyntaxList`1[TNode] members, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00206] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddDeclaredNontypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x000f1] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.BuildMembersAndInitializers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00006] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersAndInitializers () [0x00012] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.MakeAllMembers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00000] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByNameSlow () [0x0000e] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByName () [0x00019] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x001d7] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
---> (Inner Exception #0) System.AggregateException: One or more errors occurred. ---> System.NullReferenceException: Object reference not set to an instance of an object
  at Microsoft.CodeAnalysis.CSharp.Symbols.SymbolExtensions.CheckUnsafeModifier (Microsoft.CodeAnalysis.CSharp.Symbol symbol, Microsoft.CodeAnalysis.CSharp.DeclarationModifiers modifiers, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00008] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.MakeModifiers (Microsoft.CodeAnalysis.SyntaxTokenList modifiers, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, System.Boolean& modifierErrors) [0x0004b] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol..ctor (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol explicitInterfaceType, System.String name, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00085] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.CreateMethodSymbol (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Binder bodyBinder, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00035] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddNonTypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.SyntaxList`1[TNode] members, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00206] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddDeclaredNontypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x000f1] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.BuildMembersAndInitializers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00006] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersAndInitializers () [0x00012] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.MakeAllMembers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00000] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByNameSlow () [0x0000e] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByName () [0x00019] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x001d7] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.ForWorker[TLocal] (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body, System.Action`2[T1,T2] bodyWithState, System.Func`4[T1,T2,T3,TResult] bodyWithLocal, System.Func`1[TResult] localInit, System.Action`1[T] localFinally) [0x001ab] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Parallel.For (System.Int32 fromInclusive, System.Int32 toExclusive, System.Threading.Tasks.ParallelOptions parallelOptions, System.Action`1[T] body) [0x0001c] in <d46fa2badb184b799fb9a08babc07480>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x0015d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 
---> (Inner Exception #0) System.NullReferenceException: Object reference not set to an instance of an object
  at Microsoft.CodeAnalysis.CSharp.Symbols.SymbolExtensions.CheckUnsafeModifier (Microsoft.CodeAnalysis.CSharp.Symbol symbol, Microsoft.CodeAnalysis.CSharp.DeclarationModifiers modifiers, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00008] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.MakeModifiers (Microsoft.CodeAnalysis.SyntaxTokenList modifiers, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.DiagnosticBag diagnostics, System.Boolean& modifierErrors) [0x0004b] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol..ctor (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Symbols.TypeSymbol explicitInterfaceType, System.String name, Microsoft.CodeAnalysis.Location location, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.MethodKind methodKind, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00085] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberMethodSymbol.CreateMethodSymbol (Microsoft.CodeAnalysis.CSharp.Symbols.NamedTypeSymbol containingType, Microsoft.CodeAnalysis.CSharp.Binder bodyBinder, Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax syntax, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00035] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddNonTypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.SyntaxList`1[TNode] members, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00206] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.AddDeclaredNontypeMembers (Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol+MembersAndInitializersBuilder builder, Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x000f1] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.BuildMembersAndInitializers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00006] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersAndInitializers () [0x00012] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.MakeAllMembers (Microsoft.CodeAnalysis.DiagnosticBag diagnostics) [0x00000] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByNameSlow () [0x0000e] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.GetMembersByName () [0x00019] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceMemberContainerTypeSymbol.ForceComplete (Microsoft.CodeAnalysis.SourceLocation locationOpt, System.Threading.CancellationToken cancellationToken) [0x001d7] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbol.ForceCompleteMemberByLocation (Microsoft.CodeAnalysis.SourceLocation locationOpt, Microsoft.CodeAnalysis.CSharp.Symbol member, System.Threading.CancellationToken cancellationToken) [0x0002a] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Microsoft.CodeAnalysis.CSharp.Symbols.SourceNamespaceSymbol+<>c__DisplayClass47_0.<ForceComplete>b__0 (System.Int32 i) [0x0000d] in <959bcdc9e1464dcf92f93e4d17f4f397>:0 
  at Roslyn.Utilities.UICultureUtilities+<>c__DisplayClass6_0`1[T].<WithCurrentUICulture>b__0 (T param) [0x00039] in <1ce5705fe543458888fa6541e8be50c6>:0 
  at System.Threading.Tasks.Parallel+<>c__DisplayClass17_0`1[TLocal].<ForWorker>b__1 () [0x0020b] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvoke () [0x0000f] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task.InnerInvokeWithArg (System.Threading.Tasks.Task childTask) [0x00000] in <d46fa2badb184b799fb9a08babc07480>:0 
  at System.Threading.Tasks.Task+<>c__DisplayClass176_0.<ExecuteSelfReplicating>b__0 (System.Object <p0>) [0x00086] in <d46fa2badb184b799fb9a08babc07480>:0 <---
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make[12]: *** [../../class/lib/basic/bare/System.Xml.dll] Error 1
make[11]: *** [../../class/lib/basic/bare/System.Xml.dll] Error 2
make[10]: *** [../../class/lib/basic/bare/System.Xml.dll] Error 2
make[9]: *** [do-all] Error 2
make[8]: *** [all-recursive] Error 1
make[7]: *** [all-recursive] Error 1
make[6]: *** [profile-do--basic--all] Error 2
make[5]: *** [profiles-do--all] Error 2
make[4]: *** [all-local] Error 2
make[3]: *** [all-recursive] Error 1
make[2]: *** [all] Error 2
make[1]: *** [/home/peko/autobuild/instance-3/output/build/host-mono-5.4.0.201/.stamp_built] Error 2
make: *** [_all] Error 2
make: Leaving directory `/home/peko/autobuild/instance-3/buildroot'