Crash during device discovery in Qt RO bleclient example

1  winrt::impl::consume_Windows_Devices_Enumeration_IDeviceWatcher<winrt::Windows::Devices::Enumeration::IDeviceWatcher>::Status windows.devices.enumeration.h            646  0x7ff931461c57 
2  QBluetoothDeviceWatcherWinRT::canStop                                                                                         qbluetoothdevicewatcher_winrt.cpp        103  0x7ff93145a7ab 
3  QBluetoothDeviceWatcherWinRT::stop                                                                                            qbluetoothdevicewatcher_winrt.cpp        60   0x7ff93145a38c 
4  QWinRTBluetoothDeviceDiscoveryWorker::stop                                                                                    qbluetoothdevicediscoveryagent_winrt.cpp 360  0x7ff931368b84 
5  QWinRTBluetoothDeviceDiscoveryWorker::finishDiscovery                                                                         qbluetoothdevicediscoveryagent_winrt.cpp 367  0x7ff931369f94 
6  QWinRTBluetoothDeviceDiscoveryWorker::decrementPendingDevicesCountAndCheckFinished                                            qbluetoothdevicediscoveryagent_winrt.cpp 612  0x7ff93136c0c7 
7  QWinRTBluetoothDeviceDiscoveryWorker::qt_static_metacall                                                                      qbluetoothdevicediscoveryagent_winrt.moc 466  0x7ff931367d2c 
8  QMetaCallEvent::placeMetaCall                                                                                                 qobject.cpp                              611  0x7ff92fb6b766 
9  QObject::event                                                                                                                qobject.cpp                              1378 0x7ff92fb61bf6 
10 QApplicationPrivate::notify_helper                                                                                            qapplication.cpp                         3305 0x7ff9316df26b 
11 QApplication::notify                                                                                                          qapplication.cpp                         3256 0x7ff9316dc4fa 
12 QCoreApplication::notifyInternal2                                                                                             qcoreapplication.cpp                     1026 0x7ff92faa5857 
13 QCoreApplication::sendEvent                                                                                                   qcoreapplication.cpp                     1443 0x7ff92faa2eeb 
14 QCoreApplicationPrivate::sendPostedEvents                                                                                     qcoreapplication.cpp                     1804 0x7ff92faa7bb2 
15 QEventDispatcherWin32::sendPostedEvents                                                                                       qeventdispatcher_win.cpp                 894  0x7ff92febe77f 
16 QWindowsGuiEventDispatcher::sendPostedEvents                                                                                  qwindowsguieventdispatcher.cpp           44   0x7ff92ecf59c5 
17 QEventDispatcherWin32::processEvents                                                                                          qeventdispatcher_win.cpp                 464  0x7ff92febca7f 
18 QWindowsGuiEventDispatcher::processEvents                                                                                     qwindowsguieventdispatcher.cpp           36   0x7ff92ecf597b 
19 QEventLoop::processEvents                                                                                                     qeventloop.cpp                           101  0x7ff92fac6e6c 
20 QEventLoop::exec                                                                                                              qeventloop.cpp                           182  0x7ff92fac7154 
21 QCoreApplication::exec                                                                                                        qcoreapplication.cpp                     1347 0x7ff92faa2c8a 
22 QGuiApplication::exec                                                                                                         qguiapplication.cpp                      1861 0x7ff92e59f60a 
23 QApplication::exec                                                                                                            qapplication.cpp                         2587 0x7ff9316d923c 
24 main                                                                                                                          main.cpp                                 30   0x7ff6bfb0379e 
25 WinMain                                                                                                                       qtentrypoint_win.cpp                     50   0x7ff6bfb09732 
26 invoke_main                                                                                                                   exe_common.inl                           107  0x7ff6bfb06392 
27 __scrt_common_main_seh                                                                                                        exe_common.inl                           288  0x7ff6bfb0627e 
28 __scrt_common_main                                                                                                            exe_common.inl                           331  0x7ff6bfb0613e 
29 WinMainCRTStartup                                                                                                             exe_winmain.cpp                          17   0x7ff6bfb0642e 
30 BaseThreadInitThunk                                                                                                           KERNEL32                                      0x7ff9740f54e0 
31 RtlUserThreadStart                                                                                                            ntdll                                         0x7ff974fa485b