gistfile1.txt

Stacktrace:

  at <unknown> <0xffffffff>
  at (wrapper managed-to-native) Gtk.TreeStore.gtk_tree_store_remove (intptr,Gtk.TreeIter&) [0x0000a] in <8a1c33e6e4a14248b00acfa2ee904913>:0
  at Gtk.TreeStore.Remove (Gtk.TreeIter&) [0x00008] in /private/tmp/source-mono-4.8.0/bockbuild-mono-4.8.0-branch/profiles/mono-mac-xamarin/build-root/gtk-sharp-None/gtk/generated/TreeStore.cs:64
  at MonoDevelop.Ide.Gui.Components.ExtensibleTreeView.RemoveChildren (Gtk.TreeIter) [0x0002a] in /Users/builder/data/lanes/4010/615fe029/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Gui.Components/ExtensibleTreeView.cs:1776
  at MonoDevelop.Ide.Gui.Components.ExtensibleTreeView/TreeBuilder.ResetState () [0x00006] in /Users/builder/data/lanes/4010/615fe029/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Gui.Components/TreeBuilder.cs:86
  at MonoDevelop.Ide.Gui.Components.ExtensibleTreeView.ResetState (MonoDevelop.Ide.Gui.Components.ITreeNavigator) [0x0000b] in /Users/builder/data/lanes/4010/615fe029/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Gui.Components/ExtensibleTreeView.cs:1845
  at MonoDevelop.Ide.Gui.Components.NodeState.RestoreState (MonoDevelop.Ide.Gui.Components.ExtensibleTreeView,MonoDevelop.Ide.Gui.Components.ITreeNavigator,MonoDevelop.Ide.Gui.Components.NodeState) [0x00007] in /Users/builder/data/lanes/4010/615fe029/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Gui.Components/NodeState.cs:174
  at MonoDevelop.Ide.Gui.Components.ExtensibleTreeView/TreeNodeNavigator.RestoreState (MonoDevelop.Ide.Gui.Components.NodeState) [0x00006] in /Users/builder/data/lanes/4010/615fe029/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Gui.Components/TreeNodeNavigator.cs:337
  at MonoDevelop.Ide.Gui.Components.ExtensibleTreeView/TreeBuilder.UpdateChildren () [0x00063] in /Users/builder/data/lanes/4010/615fe029/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Gui.Components/TreeBuilder.cs:112
  at MonoDevelop.Ide.Gui.Components.ExtensibleTreeView/TreeBuilder.UpdateAll () [0x00006] in /Users/builder/data/lanes/4010/615fe029/source/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Gui.Components/TreeBuilder.cs:71
  at MonoDevelop.PackageManagement.NodeBuilders.ProjectPackagesFolderNodeBuilder.OnPackageReferencesChanged (object,System.EventArgs) [0x0001a] in /Users/builder/data/lanes/4010/615fe029/source/monodevelop/main/src/addins/MonoDevelop.PackageManagement/MonoDevelop.PackageManagement.NodeBuilders/ProjectPackagesFolderNodeBuilder.cs:125
  at MonoDevelop.PackageManagement.NodeBuilders.ProjectPackagesFolderNode.OnPackageReferencesChanged () [0x0000d] in /Users/builder/data/lanes/4010/615fe029/source/monodevelop/main/src/addins/MonoDevelop.PackageManagement/MonoDevelop.PackageManagement.NodeBuilders/ProjectPackagesFolderNode.cs:209
  at MonoDevelop.PackageManagement.NodeBuilders.ProjectPackagesFolderNode.OnInstalledPackagesRead (System.Threading.Tasks.Task`1<System.Collections.Generic.IEnumerable`1<NuGet.Packaging.PackageReference>>,System.Threading.CancellationTokenSource) [0x00043] in /Users/builder/data/lanes/4010/615fe029/source/monodevelop/main/src/addins/MonoDevelop.PackageManagement/MonoDevelop.PackageManagement.NodeBuilders/ProjectPackagesFolderNode.cs:253
  at MonoDevelop.PackageManagement.NodeBuilders.ProjectPackagesFolderNode/<GetInstalledPackages>c__AnonStorey1.<>m__0 (System.Threading.Tasks.Task`1<System.Collections.Generic.IEnumerable`1<NuGet.Packaging.PackageReference>>) [0x00000] in /Users/builder/data/lanes/4010/615fe029/source/monodevelop/main/src/addins/MonoDevelop.PackageManagement/MonoDevelop.PackageManagement.NodeBuilders/ProjectPackagesFolderNode.cs:237
  at System.Threading.Tasks.ContinuationTaskFromResultTask`1<TAntecedentResult_REF>.InnerInvoke () [0x00027] in /private/tmp/source-mono-4.8.0/bockbuild-mono-4.8.0-branch/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/referencesource/mscorlib/system/threading/Tasks/TaskContinuation.cs:159
  at System.Threading.Tasks.Task.Execute () [0x00016] in /private/tmp/source-mono-4.8.0/bockbuild-mono-4.8.0-branch/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:2502
  at System.Threading.Tasks.Task.ExecutionContextCallback (object) [0x00007] in /private/tmp/source-mono-4.8.0/bockbuild-mono-4.8.0-branch/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:2865
  at System.Threading.ExecutionContext.RunInternal (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool) [0x0008d] in /private/tmp/source-mono-4.8.0/bockbuild-mono-4.8.0-branch/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/referencesource/mscorlib/system/threading/executioncontext.cs:957
  at System.Threading.ExecutionContext.Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool) [0x00000] in /private/tmp/source-mono-4.8.0/bockbuild-mono-4.8.0-branch/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/referencesource/mscorlib/system/threading/executioncontext.cs:904
  at System.Threading.Tasks.Task.ExecuteWithThreadLocal (System.Threading.Tasks.Task&) [0x0005f] in /private/tmp/source-mono-4.8.0/bockbuild-mono-4.8.0-branch/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:2827
  at System.Threading.Tasks.Task.ExecuteEntry (bool) [0x0006f] in /private/tmp/source-mono-4.8.0/bockbuild-mono-4.8.0-branch/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/referencesource/mscorlib/system/threading/Tasks/Task.cs:2760
  at System.Threading.Tasks.SynchronizationContextTaskScheduler.PostCallback (object) [0x00007] in /private/tmp/source-mono-4.8.0/bockbuild-mono-4.8.0-branch/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/referencesource/mscorlib/system/threading/Tasks/TaskScheduler.cs:701