#0  QHostAddress::clear() () at kernel/qhostaddress.cpp:226
  [Error: kernel/qhostaddress.cpp was not found in source tree]
#1  0x4211104c in QAbstractSocket::disconnectFromHost() () at socket/qabstractsocket.cpp:2704
  [Error: socket/qabstractsocket.cpp was not found in source tree]
#2  0x42110fbc in QAbstractSocket::close() () at socket/qabstractsocket.cpp:2595
  [Error: socket/qabstractsocket.cpp was not found in source tree]
#3  0x421189ea in QLocalSocket::close() () at socket/qlocalsocket_unix.cpp:440
  [Error: socket/qlocalsocket_unix.cpp was not found in source tree]
#4  0x42113518 in QLocalSocket::~QLocalSocket() () at socket/qlocalsocket.cpp:349
  [Error: socket/qlocalsocket.cpp was not found in source tree]
#5  0x4211353c in QLocalSocket::~QLocalSocket() () at socket/qlocalsocket.cpp:354
  [Error: socket/qlocalsocket.cpp was not found in source tree]
#6  0x41ff915c in UbuntuApplicationApiWrapper::onClientError(QLocalSocket::LocalSocketError) () at ubuntuapplicationapiwrapper.cpp:137
  [Error: ubuntuapplicationapiwrapper.cpp was not found in source tree]
#7  0x41ff974e in void QtPrivate::FunctionPointer<void (UbuntuApplicationApiWrapper::*)(QLocalSocket::LocalSocketError)>::call<QtPrivate::List<QLocalSocket::LocalSocketError, void>, void>(void (UbuntuApplicationApiWrapper::*)(QLocalSocket::LocalSocketError), UbuntuApplicationApiWrapper*, void**) () at /usr/include/qt5/QtCore/qobjectdefs_impl.h:149
  [Error: /usr/include/qt5/QtCore/qobjectdefs_impl.h was not found in source tree]
#8  0x41ff9668 in QtPrivate::QSlotObject<void (UbuntuApplicationApiWrapper::*)(QLocalSocket::LocalSocketError), QtPrivate::List<QLocalSocket::LocalSocketError, void>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) () at /usr/include/qt5/QtCore/qobject_impl.h:144
  [Error: /usr/include/qt5/QtCore/qobject_impl.h was not found in source tree]
#9  0x408df25e in QMetaObject::activate(QObject*, int, int, void**) () at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:127
  [Error: ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h was not found in source tree]
#10 0x421135c4 in QLocalSocket::error(QLocalSocket::LocalSocketError) () at .moc/release-shared/moc_qlocalsocket.cpp:215
  [Error: .moc/release-shared/moc_qlocalsocket.cpp was not found in source tree]
#11 0x42117ed4 in QLocalSocketPrivate::_q_error(QAbstractSocket::SocketError) () at socket/qlocalsocket_unix.cpp:102
  [Error: socket/qlocalsocket_unix.cpp was not found in source tree]
#12 0x421136b0 in QLocalSocket::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () at .moc/release-shared/moc_qlocalsocket.cpp:110
  [Error: .moc/release-shared/moc_qlocalsocket.cpp was not found in source tree]
#13 0x408df568 in QMetaObject::activate(QObject*, int, int, void**) () at kernel/qobject.cpp:3445
  [Error: kernel/qobject.cpp was not found in source tree]
#14 0x4210c762 in QAbstractSocket::error(QAbstractSocket::SocketError) () at .moc/release-shared/moc_qabstractsocket.cpp:380
  [Error: .moc/release-shared/moc_qabstractsocket.cpp was not found in source tree]
#15 0x4210cd44 in QAbstractSocketPrivate::readFromSocket() () at socket/qabstractsocket.cpp:1278
  [Error: socket/qabstractsocket.cpp was not found in source tree]
#16 0x4210cdfa in QAbstractSocketPrivate::canReadNotification() () at socket/qabstractsocket.cpp:697
  [Error: socket/qabstractsocket.cpp was not found in source tree]
#17 0x42115e88 in QReadNotifier::event(QEvent*) () at socket/qnativesocketengine.cpp:1147
  [Error: socket/qnativesocketengine.cpp was not found in source tree]
#18 0x408c6b62 in QCoreApplication::notify(QObject*, QEvent*) () at kernel/qcoreapplication.cpp:829
  [Error: kernel/qcoreapplication.cpp was not found in source tree]
#19 0x408c6946 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at kernel/qcoreapplication.cpp:767
  [Error: kernel/qcoreapplication.cpp was not found in source tree]
#20 0x408f5f9a in socketNotifierSourceDispatch(_GSource*, int (*)(void*), void*) () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:203
  [Error: ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h was not found in source tree]
#21 0x41d2eb6a in g_main_context_dispatch () from /tmp/apport_sandbox_ig6B9C/lib/arm-linux-gnueabihf/libglib-2.0.so.0
#22 0x41d2edca in g_main_context_iterate.isra.22 () from /tmp/apport_sandbox_ig6B9C/lib/arm-linux-gnueabihf/libglib-2.0.so.0
#23 0x41d2ee30 in g_main_context_iteration () from /tmp/apport_sandbox_ig6B9C/lib/arm-linux-gnueabihf/libglib-2.0.so.0
#24 0x408f58d0 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at kernel/qeventdispatcher_glib.cpp:425
  [Error: kernel/qeventdispatcher_glib.cpp was not found in source tree]
#25 0x408c5d5c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at kernel/qeventloop.cpp:212
  [Error: kernel/qeventloop.cpp was not found in source tree]
#26 0x408c979c in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1020
  [Error: kernel/qcoreapplication.cpp was not found in source tree]
#27 0x00013cf2 in main () at main.cpp:173
  168:     QPlatformNativeInterface* nativeInterface = QGuiApplication::platformNativeInterface();
  169:     nativeInterface->setProperty("UbuntuSessionType", 1);   // SYSTEM_SESSION_TYPE
  170:     nativeInterface->setProperty("ubuntuSessionType", 1);   // SYSTEM_SESSION_TYPE
  171:     nativeInterface->setProperty("session", 1);   // SYSTEM_SESSION_TYPE
  172: 
  173:     return app.exec();
  174: }