Basic example "counter" app crashed after "Toggle Platform Mode" in FlutterInspector panel.

failSwOsInInspector.log

Launching lib/main.dart on Android SDK built for x86 in debug mode...
Initializing gradle...
Resolving dependencies...
Running 'gradlew assembleDebug'...
Built build/app/outputs/apk/debug/app-debug.apk (30.8MB).
Installing build/app/outputs/apk/app.apk...
I/FlutterActivityDelegate(31062): onResume setting current activity to this
D/        (31062): HostConnection::get() New Host Connection established 0xad13a1c0, tid 31085
D/EGL_emulation(31062): eglMakeCurrent: 0xaa9b2740: ver 2 0 (tinfo 0xb3fed170)
Syncing files to device Android SDK built for x86...
Switched platform rendering to iOS.
I/flutter (31062): ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
I/flutter (31062): The following assertion was thrown building _CupertinoBackGestureDetector<dynamic>(state:
I/flutter (31062): _CupertinoBackGestureDetectorState<dynamic>#be2a2):
I/flutter (31062): 'package:flutter/src/rendering/object.dart': Failed assertion: line 1792 pos 12: '() {
I/flutter (31062):       final AbstractNode parent = this.parent;
I/flutter (31062):       if (parent is RenderObject)
I/flutter (31062):         return parent._needsCompositing;
I/flutter (31062):       return true;
I/flutter (31062):     }()': is not true.
I/flutter (31062): Either the assertion indicates an error in the framework itself, or we should provide substantially
I/flutter (31062): more information in this error message to help you determine and fix the underlying cause.
I/flutter (31062): In either case, please report this assertion by filing a bug on GitHub:
I/flutter (31062):   https://github.com/flutter/flutter/issues/new
I/flutter (31062): When the exception was thrown, this was the stack:
I/flutter (31062): #2      RenderObject.markNeedsCompositingBitsUpdate (package:flutter/src/rendering/object.dart)
I/flutter (31062): #3      RenderObject.attach (package:flutter/src/rendering/object.dart:1232:7)
I/flutter (31062): #4      _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.attach (package:flutter/src/rendering/object.dart:2588:11)
I/flutter (31062): #5      AbstractNode.adoptChild (package:flutter/src/foundation/node.dart:128:13)
I/flutter (31062): #6      RenderObject.adoptChild (package:flutter/src/rendering/object.dart:1077:11)
I/flutter (31062): #7      _RenderProxyBox&RenderBox&RenderObjectWithChildMixin.child= (package:flutter/src/rendering/object.dart:2583:7)
I/flutter (31062): #8      SingleChildRenderObjectElement.insertChildRenderObject (package:flutter/src/widgets/framework.dart:4661:18)
I/flutter (31062): #9      RenderObjectElement.attachRenderObject (package:flutter/src/widgets/framework.dart:4505:35)
I/flutter (31062): #10     Element._activateWithParent (package:flutter/src/widgets/framework.dart:2966:5)
I/flutter (31062): #11     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2891:18)
I/flutter (31062): #12     Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)
I/flutter (31062): #13     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4646:14)
I/flutter (31062): #14     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter (31062): #15     MultiChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4751:32)
I/flutter (31062): #16     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter (31062): #17     Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)
I/flutter (31062): #18     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3645:16)
I/flutter (31062): #19     Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter (31062): #20     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3614:5)
I/flutter (31062): #21     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3761:11)
I/flutter (31062): #22     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3609:5)
I/flutter (31062): #23     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter (31062): #24     Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)
I/flutter (31062): #25     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4646:14)
I/flutter (31062): #26     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter (31062): #27     Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)
I/flutter (31062): #28     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3645:16)
I/flutter (31062): #29     Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter (31062): #30     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3614:5)
I/flutter (31062): #31     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3761:11)
I/flutter (31062): #32     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3609:5)
I/flutter (31062): #33     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter (31062): #34     Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)
I/flutter (31062): #35     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4646:14)
I/flutter (31062): #36     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter (31062): #37     Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)
I/flutter (31062): #38     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3645:16)
I/flutter (31062): #39     Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter (31062): #40     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3614:5)
I/flutter (31062): #41     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3761:11)
I/flutter (31062): #42     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3609:5)
I/flutter (31062): #43     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter (31062): #44     Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)
I/flutter (31062): #45     SingleChildRenderObjectElement.mount (package:flutter/src/widgets/framework.dart:4646:14)
I/flutter (31062): #46     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter (31062): #47     Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)
I/flutter (31062): #48     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3645:16)
I/flutter (31062): #49     Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter (31062): #50     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3614:5)
I/flutter (31062): #51     StatefulElement._firstBuild (package:flutter/src/widgets/framework.dart:3761:11)
I/flutter (31062): #52     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3609:5)
I/flutter (31062): #53     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter (31062): #54     Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)
I/flutter (31062): #55     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3645:16)
I/flutter (31062): #56     Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter (31062): #57     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:3614:5)
I/flutter (31062): #58     ComponentElement.mount (package:flutter/src/widgets/framework.dart:3609:5)
I/flutter (31062): #59     Element.inflateWidget (package:flutter/src/widgets/framework.dart:2899:14)
I/flutter (31062): #60     Element.updateChild (package:flutter/src/widgets/framework.dart:2702:12)
I/flutter (31062): #61     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3645:16)
I/flutter (31062): #62     Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter (31062): #63     StatefulElement.update (package:flutter/src/widgets/framework.dart:3791:5)
I/flutter (31062): #64     Element.updateChild (package:flutter/src/widgets/framework.dart:2691:15)
I/flutter (31062): #65     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4653:14)
I/flutter (31062): #66     Element.updateChild (package:flutter/src/widgets/framework.dart:2691:15)
I/flutter (31062): #67     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3645:16)
I/flutter (31062): #68     Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter (31062): #69     ProxyElement.update (package:flutter/src/widgets/framework.dart:3901:5)
I/flutter (31062): #70     Element.updateChild (package:flutter/src/widgets/framework.dart:2691:15)
I/flutter (31062): #71     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4653:14)
I/flutter (31062): #72     Element.updateChild (package:flutter/src/widgets/framework.dart:2691:15)
I/flutter (31062): #73     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3645:16)
I/flutter (31062): #74     Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter (31062): #75     StatefulElement.update (package:flutter/src/widgets/framework.dart:3791:5)
I/flutter (31062): #76     Element.updateChild (package:flutter/src/widgets/framework.dart:2691:15)
I/flutter (31062): #77     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3645:16)
I/flutter (31062): #78     Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter (31062): #79     StatelessElement.update (package:flutter/src/widgets/framework.dart:3694:5)
I/flutter (31062): #80     Element.updateChild (package:flutter/src/widgets/framework.dart:2691:15)
I/flutter (31062): #81     SingleChildRenderObjectElement.update (package:flutter/src/widgets/framework.dart:4653:14)
I/flutter (31062): #82     Element.updateChild (package:flutter/src/widgets/framework.dart:2691:15)
I/flutter (31062): #83     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3645:16)
I/flutter (31062): #84     Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter (31062): #85     ProxyElement.update (package:flutter/src/widgets/framework.dart:3901:5)
I/flutter (31062): #86     Element.updateChild (package:flutter/src/widgets/framework.dart:2691:15)
I/flutter (31062): #87     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3645:16)
I/flutter (31062): #88     Element.rebuild (package:flutter/src/widgets/framework.dart:3487:5)
I/flutter (31062): #89     BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2234:33)
I/flutter (31062): #90     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&RendererBinding&WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:626:20)
I/flutter (31062): #91     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:208:5)
I/flutter (31062): #92     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:990:15)
I/flutter (31062): #93     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:930:9)
I/flutter (31062): #94     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.scheduleWarmUpFrame.<anonymous closure> (package:flutter/src/scheduler/binding.dart:751:7)
I/flutter (31062): #96     _Timer._runTimers (dart:isolate/runtime/libtimer_impl.dart:382:19)
I/flutter (31062): #97     _Timer._handleMessage (dart:isolate/runtime/libtimer_impl.dart:416:5)
I/flutter (31062): #98     _RawReceivePortImpl._handleMessage (dart:isolate/runtime/libisolate_patch.dart:165:12)
I/flutter (31062): (elided 3 frames from class _AssertionError and package dart:async)
I/flutter (31062): ════════════════════════════════════════════════════════════════════════════════════════════════════
I/flutter (31062): Another exception was thrown: 'package:flutter/src/foundation/node.dart': Failed assertion: line 102 pos 12: '_owner != null': is not true.
I/flutter (31062): Another exception was thrown: 'package:flutter/src/foundation/node.dart': Failed assertion: line 102 pos 12: '_owner != null': is not true.
I/flutter (31062): Another exception was thrown: 'package:flutter/src/foundation/node.dart': Failed assertion: line 102 pos 12: '_owner != null': is not true.
I/flutter (31062): Another exception was thrown: 'package:flutter/src/foundation/node.dart': Failed assertion: line 102 pos 12: '_owner != null': is not true.
I/flutter (31062): Another exception was thrown: 'package:flutter/src/rendering/object.dart': Failed assertion: line 1091 pos 12: 'child.parentData != null': is not true.
I/flutter (31062): Another exception was thrown: 'package:flutter/src/rendering/object.dart': Failed assertion: line 1091 pos 12: 'child.parentData != null': is not true.
I/flutter (31062): Another exception was thrown: 'package:flutter/src/foundation/node.dart': Failed assertion: line 102 pos 12: '_owner != null': is not true.
I/flutter (31062): Another exception was thrown: 'package:flutter/src/foundation/node.dart': Failed assertion: line 102 pos 12: '_owner != null': is not true.
I/flutter (31062): Another exception was thrown: 'package:flutter/src/rendering/object.dart': Failed assertion: line 1091 pos 12: 'child.parentData != null': is not true.
I/flutter (31062): Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 3489 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.
I/flutter (31062): Another exception was thrown: 'package:flutter/src/widgets/framework.dart': Failed assertion: line 3489 pos 14: 'owner._debugCurrentBuildTarget == this': is not true.
I/flutter (31062): Another exception was thrown: 'package:flutter/src/rendering/box.dart': Failed assertion: line 1457 pos 18: 'debugDoingThisResize || debugDoingThisLayout ||
I/flutter (31062): Another exception was thrown: RenderBox was not laid out: RenderDecoratedBox#3989f NEEDS-PAINT DETACHED
I/flutter (31062): Another exception was thrown: RenderBox was not laid out: RenderFractionalTranslation#47b8c NEEDS-PAINT DETACHED
I/flutter (31062): Another exception was thrown: RenderBox was not laid out: RenderFractionalTranslation#ae4c8 NEEDS-PAINT DETACHED
I/flutter (31062): Another exception was thrown: 'package:flutter/src/rendering/box.dart': Failed assertion: line 1457 pos 18: 'debugDoingThisResize || debugDoingThisLayout ||
I/flutter (31062): Another exception was thrown: 'package:flutter/src/rendering/box.dart': Failed assertion: line 1457 pos 18: 'debugDoingThisResize || debugDoingThisLayout ||
I/flutter (31062): Another exception was thrown: RenderBox was not laid out: RenderFractionalTranslation#ae4c8 DETACHED
I/flutter (31062): Another exception was thrown: RenderBox was not laid out: RenderFractionalTranslation#ae4c8 DETACHED
Switched platform rendering to Android.