Crash on cancel build

QObject::killTimers: timers cannot be stopped from another thread
QWaitCondition: Destroyed while threads are still waiting
ASSERT failure in QCoreApplication::sendEvent: "Cannot send events to objects owned by a different thread. Current thread 9216eb0. Receiver 'Core__Internal__FindWidget' (of type 'Core::Internal::FindToolBar') was created in thread 1ddebf0", file kernel\qcoreapplication.cpp, line 502

0	NtUserWaitMessage	USER32		0x76bcf5be	
1	DialogBox2	USER32		0x76bccd46	
2	InternalDialogBox	USER32		0x76bccf5c	
3	SoftModalMessageBox	USER32		0x76bff73c	
4	MessageBoxWorker	USER32		0x76bffa18	
5	MessageBoxTimeoutW	USER32		0x76bffb1f	
6	MessageBoxExW	USER32		0x76bffd15	
7	MessageBoxW	USER32		0x76bffd57	
8	__crtMessageBoxW	MSVCR100D		0x5888b18c	
9	__crtMessageWindowW	MSVCR100D		0x5888561c	
10	_VCrtDbgReportW	MSVCR100D		0x5888c8f0	
11	_CrtDbgReportWV	MSVCR100D		0x58885252	
12	_CrtDbgReportW	MSVCR100D		0x5888520b	
13	qt_message_fatal	qlogging.cpp	968	0x53f83d47	
14	QMessageLogger::fatal	qlogging.cpp	384	0x53f81fe4	
15	qt_assert_x	qglobal.cpp	2104	0x53f7c298	
16	QCoreApplicationPrivate::checkReceiverThread	qcoreapplication.cpp	502	0x54233115	
17	QApplication::notify	qapplication.cpp	2739	0x547508a6	
18	QCoreApplication::notifyInternal	qcoreapplication.cpp	878	0x54233a64	
19	QCoreApplication::sendEvent	qcoreapplication.h	232	0x54238fd9	
20	QObjectPrivate::setParent_helper	qobject.cpp	1861	0x542811e3	
21	QObject::~QObject	qobject.cpp	934	0x5427fb4f	
22	QTimer::~QTimer	qtimer.cpp	163	0x54295186	
23	Core::Internal::FindToolBar::~FindToolBar	findtoolbar.cpp	267	0x53bb264f	
24	Core::Internal::FindToolBar::`scalar deleting destructor'	Cored		0x53bb84df	
25	Core::FindPlugin::~FindPlugin	findplugin.cpp	113	0x53bbaadc	
26	Core::FindPlugin::`vector deleting destructor'	Cored		0x53bba3cd	
27	Core::Internal::CorePlugin::~CorePlugin	coreplugin.cpp	63	0x53b1284c	
28	Core::Internal::CorePlugin::`scalar deleting destructor'	Cored		0x53b12ddf	
29	QLibraryPrivate::unload	qlibrary.cpp	523	0x5422a2d9	
30	QLibraryStore::cleanup	qlibrary.cpp	405	0x5422cda9	
31	qlibraryCleanup	qlibrary.cpp	425	0x5422bf88	
32	`anonymous namespace'::qlibraryCleanup_dtor_class_::~qlibraryCleanup_dtor_class_	qlibrary.cpp	426	0x5422ccac	
33	`anonymous namespace'::`dynamic atexit destructor for 'qlibraryCleanup_dtor_instance_''	Qt5Cored		0x543a05cd	
34	_CRT_INIT	crtdll.c	415	0x54350894	
35	__DllMainCRTStartup	crtdll.c	526	0x54350aa0	
36	_DllMainCRTStartup	crtdll.c	476	0x54350961	
37	LdrpCallInitRoutine	ntdll		0x77b199a0	
38	LdrShutdownProcess	ntdll		0x77b2d702	
39	RtlExitUserProcess	ntdll		0x77b2d5a4	
40	DefaultHandler	kernel32		0x75416c96	
41	CtrlRoutine	kernel32		0x75416e51	
42	BaseThreadInitThunk	kernel32		0x7537336a	
43	__RtlUserThreadStart	ntdll		0x77b19f72	
44	_RtlUserThreadStart	ntdll		0x77b19f45