Testing the frameworks branch, Dolphin crashes on any copy/move/delete job

Here's a backtrace of delete job, on konsole was this:

dolphin(12716) qt_assert: ASSERT: "job()" in file /home/mck182/kf5-dev/src/kjobwidgets/src/kdialogjobuidelegate.cpp, line 121

--

Thread 1 (Thread 0x7f25d546f7c0 (LWP 13100)):
[KCrash Handler]
#6  0x00007f25d4c1af77 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#7  0x00007f25d4c1e5e8 in __GI_abort () at abort.c:90
#8  0x00007f25cea4cb05 in qt_message_fatal (context=..., message=...) at global/qlogging.cpp:1364
#9  0x00007f25cea4a544 in QMessageLogger::fatal (this=0x7fff90ca3fa0, msg=0x7f25cedab3b8 "ASSERT: \"%s\" in file %s, line %d") at global/qlogging.cpp:669
#10 0x00007f25cea44c02 in qt_assert (assertion=0x7f25d268ef8a "job()", file=0x7f25d268ef48 "/home/mck182/kf5-dev/src/kjobwidgets/src/kdialogjobuidelegate.cpp", line=121) at global/qglobal.cpp:2124
#11 0x00007f25d267c149 in KDialogJobUiDelegate::setWindow (this=0x7fff90ca4050, window=0x22f6cc0) at /home/mck182/kf5-dev/src/kjobwidgets/src/kdialogjobuidelegate.cpp:121
#12 0x00007f25d2cf435f in KIO::JobUiDelegate::setWindow (this=0x7fff90ca4050, window=0x22f6cc0) at /home/mck182/kf5-dev/src/kio/src/widgets/jobuidelegate.cpp:131
#13 0x00007f25d49ba6ef in KonqOperations::askDeleteConfirmation (selectedUrls=..., method=0, confirmation=KonqOperations::DEFAULT_CONFIRMATION, widget=0x22f6cc0) at /home/mck182/kf5-dev/src/kde-baseapps/lib/konq/konq_operations.cpp:283
#14 0x00007f25d49ba16f in KonqOperations::_del (this=0x2735aa0, method=KonqOperations::TRASH, _selectedUrls=..., confirmation=KonqOperations::DEFAULT_CONFIRMATION) at /home/mck182/kf5-dev/src/kde-baseapps/lib/konq/konq_operations.cpp:217
#15 0x00007f25d49b9646 in KonqOperations::del (parent=0x22f6cc0, method=KonqOperations::TRASH, selectedUrls=...) at /home/mck182/kf5-dev/src/kde-baseapps/lib/konq/konq_operations.cpp:114
#16 0x00007f25d4706e28 in DolphinView::trashSelectedItems (this=0x22f6cc0) at /home/mck182/kf5-dev/src/kde-baseapps/dolphin/src/views/dolphinview.cpp:677
#17 0x00007f25d4712f4e in DolphinViewActionHandler::slotTrashActivated (this=0x21f4fb0) at /home/mck182/kf5-dev/src/kde-baseapps/dolphin/src/views/dolphinviewactionhandler.cpp:318
#18 0x00007f25d4716c56 in QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, void (DolphinViewActionHandler::*)()>::call(void (DolphinViewActionHandler::*)(), DolphinViewActionHandler*, void**) (f=(void (DolphinViewActionHandler::*)(DolphinViewActionHandler * const)) 0x7f25d4712f26 <DolphinViewActionHandler::slotTrashActivated()>, o=0x21f4fb0, arg=0x7fff90ca44f0) at /opt/qt5/include/QtCore/qobjectdefs_impl.h:508
#19 0x00007f25d4716931 in QtPrivate::FunctionPointer<void (DolphinViewActionHandler::*)()>::call<QtPrivate::List<>, void>(void (DolphinViewActionHandler::*)(), DolphinViewActionHandler*, void**) (f=(void (DolphinViewActionHandler::*)(DolphinViewActionHandler * const)) 0x7f25d4712f26 <DolphinViewActionHandler::slotTrashActivated()>, o=0x21f4fb0, arg=0x7fff90ca44f0) at /opt/qt5/include/QtCore/qobjectdefs_impl.h:527
#20 0x00007f25d4715ff1 in QtPrivate::QSlotObject<void (DolphinViewActionHandler::*)(), QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (which=1, this_=0x21f6460, r=0x21f4fb0, a=0x7fff90ca44f0, ret=0x0) at /opt/qt5/include/QtCore/qobject_impl.h:151
#21 0x00007f25ced19f85 in QtPrivate::QSlotObjectBase::call (this=0x21f6460, r=0x21f4fb0, a=0x7fff90ca44f0) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:132
#22 0x00007f25ced170a6 in QMetaObject::activate (sender=0x21f5f90, signalOffset=3, local_signal_index=1, argv=0x7fff90ca44f0) at kernel/qobject.cpp:3666
#23 0x00007f25ced16952 in QMetaObject::activate (sender=0x21f5f90, m=0x7f25d05eee60 <QAction::staticMetaObject>, local_signal_index=1, argv=0x7fff90ca44f0) at kernel/qobject.cpp:3546
#24 0x00007f25cfddd938 in QAction::triggered (this=0x21f5f90, _t1=false) at .moc/moc_qaction.cpp:356
#25 0x00007f25cfddce0a in QAction::activate (this=0x21f5f90, event=QAction::Trigger) at kernel/qaction.cpp:1175
#26 0x00007f25cfddcbbd in QAction::event (this=0x21f5f90, e=0x7fff90ca4a50) at kernel/qaction.cpp:1103
#27 0x00007f25cfdec176 in QApplicationPrivate::notify_helper (this=0x20afe20, receiver=0x21f5f90, e=0x7fff90ca4a50) at kernel/qapplication.cpp:3501
#28 0x00007f25cfde97be in QApplication::notify (this=0x7fff90ca53e0, receiver=0x21f5f90, e=0x7fff90ca4a50) at kernel/qapplication.cpp:2954
#29 0x00007f25cecd4824 in QCoreApplication::notifyInternal (this=0x7fff90ca53e0, receiver=0x21f5f90, event=0x7fff90ca4a50) at kernel/qcoreapplication.cpp:935
#30 0x00007f25cf5785db in QCoreApplication::sendEvent (receiver=0x21f5f90, event=0x7fff90ca4a50) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:237
#31 0x00007f25cf5ac4b0 in QShortcutMap::dispatchEvent (this=0x20afef8, e=0x7fff90ca4f00) at kernel/qshortcutmap.cpp:689
#32 0x00007f25cf5ab4f7 in QShortcutMap::tryShortcutEvent (this=0x20afef8, o=0x22ffd90, e=0x7fff90ca4f00) at kernel/qshortcutmap.cpp:360
#33 0x00007f25cfde96dc in QApplication::notify (this=0x7fff90ca53e0, receiver=0x2461ab0, e=0x7fff90ca4f00) at kernel/qapplication.cpp:2937
#34 0x00007f25cecd4824 in QCoreApplication::notifyInternal (this=0x7fff90ca53e0, receiver=0x2461ab0, event=0x7fff90ca4f00) at kernel/qcoreapplication.cpp:935
#35 0x00007f25cf578635 in QCoreApplication::sendSpontaneousEvent (receiver=0x2461ab0, event=0x7fff90ca4f00) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:240
#36 0x00007f25cf5725de in QGuiApplicationPrivate::processKeyEvent (e=0x27020a0) at kernel/qguiapplication.cpp:1803
#37 0x00007f25cf5713da in QGuiApplicationPrivate::processWindowSystemEvent (e=0x27020a0) at kernel/qguiapplication.cpp:1508
#38 0x00007f25cf55bbb1 in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:579
#39 0x00007f25c3d473c8 in userEventSourceDispatch (source=0x20fdc90) at eventdispatchers/qeventdispatcher_glib.cpp:78
#40 0x00007f25c9d243b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f25c9d24708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f25c9d247ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f25ced4c733 in QEventDispatcherGlib::processEvents (this=0x2102220, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#44 0x00007f25c3d475da in QPAEventDispatcherGlib::processEvents (this=0x2102220, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:123
#45 0x00007f25cecd14ec in QEventLoop::processEvents (this=0x7fff90ca5280, flags=...) at kernel/qeventloop.cpp:136
#46 0x00007f25cecd17b7 in QEventLoop::exec (this=0x7fff90ca5280, flags=...) at kernel/qeventloop.cpp:212
#47 0x00007f25cecd4f0a in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#48 0x00007f25cf571164 in QGuiApplication::exec () at kernel/qguiapplication.cpp:1436
#49 0x00007f25cfde8fdf in QApplication::exec () at kernel/qapplication.cpp:2746
#50 0x00007f25d50189d5 in kdemain (argc=5, argv=0x7fff90ca5518) at /home/mck182/kf5-dev/src/kde-baseapps/dolphin/src/main.cpp:95
#51 0x00000000004008af in main (argc=5, argv=0x7fff90ca5518) at /home/mck182/kf5-dev/build/kde-baseapps/dolphin/src/dolphin_dummy.cpp:3