crash of a krunner always after restart and login.
moreover during crash raport, running from bash:
user@comp:~$ krunner

is resulting:
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = krunner path = /usr/bin pid = 3952
KCrash: Arguments: /usr/bin/krunner

Reproducible: Always

Steps to Reproduce:
1. Restart computer
2. Login

Actual Results:  
Application: krunner (krunner), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbb57ee97c0 (LWP 2858))]

Thread 5 (Thread 0x7fbb426f3700 (LWP 2859)):
#0  0x00007fbb548bb8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbb5232ab72 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fbb5232c64f in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fbb452dc099 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#4  0x00007fbb54f3cb0e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbb545a96aa in start_thread (arg=0x7fbb426f3700) at pthread_create.c:333
#6  0x00007fbb548c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fbb35160700 (LWP 2868)):
#0  0x00007fbb548bb8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbb5408aebc in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7fbb300010e0, timeout=-1, context=0x2513c10) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:4103
#2  0x00007fbb5408aebc in g_main_context_iterate (context=0x2513c10, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:3803
#3  0x00007fbb5408b242 in g_main_loop_run (loop=0x2513ba0) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:4002
#4  0x00007fbb403a4ae6 in gdbus_shared_thread_func (user_data=0x2513be0) at /build/buildd/glib2.0-2.44.0/./gio/gdbusprivate.c:274
#5  0x00007fbb540b1955 in g_thread_proxy (data=0x24c9770) at /build/buildd/glib2.0-2.44.0/./glib/gthread.c:764
#6  0x00007fbb545a96aa in start_thread (arg=0x7fbb35160700) at pthread_create.c:333
#7  0x00007fbb548c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fbb3495f700 (LWP 2872)):
#0  0x00007fbb548bb8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbb5408aebc in g_main_context_iterate (priority=2147483647, n_fds=2, fds=0x7fbb280008c0, timeout=-1, context=0x2274970) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:4103
#2  0x00007fbb5408aebc in g_main_context_iterate (context=context@entry=0x2274970, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:3803
#3  0x00007fbb5408afcc in g_main_context_iteration (context=0x2274970, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:3869
#4  0x00007fbb5408b009 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:5618
#5  0x00007fbb540b1955 in g_thread_proxy (data=0x24c99e0) at /build/buildd/glib2.0-2.44.0/./glib/gthread.c:764
#6  0x00007fbb545a96aa in start_thread (arg=0x7fbb3495f700) at pthread_create.c:333
#7  0x00007fbb548c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fbb2f7fe700 (LWP 2883)):
#0  0x00007fbb548bb8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbb5408aebc in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7fbb1c001090, timeout=-1, context=0x7fbb1c000990) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:4103
#2  0x00007fbb5408aebc in g_main_context_iterate (context=context@entry=0x7fbb1c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:3803
#3  0x00007fbb5408afcc in g_main_context_iteration (context=0x7fbb1c000990, may_block=1) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:3869
#4  0x00007fbb551d3c6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbb551783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbb54f37b44 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbb560e4f65 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fbb54f3cb0e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fbb545a96aa in start_thread (arg=0x7fbb2f7fe700) at pthread_create.c:333
#10 0x00007fbb548c6eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fbb57ee97c0 (LWP 2858)):
[KCrash Handler]
#6  0x00007fbb452d41af in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#7  0x00007fbb452d4e53 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#8  0x00007fbb452d6818 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#9  0x00007fbb554d538b in QInternalMimeData::formats() const () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007fbb452d64f5 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#11 0x00007fbb554d5116 in QInternalMimeData::hasFormat(QString const&) const () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#12 0x00007fbb551a53e6 in QMimeData::hasText() const () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fbb5760b0e8 in QQuickTextInput::q_canPasteChanged() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007fbb576f3370 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007fbb551ab9c9 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007fbb554d2491 in QClipboard::emitChanged(QClipboard::Mode) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#17 0x00007fbb452d50ac in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#18 0x00007fbb452db358 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#19 0x00007fbb452dc4bb in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#20 0x00007fbb551ac73a in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fbb57961b2c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007fbb57967000 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007fbb5517ac2b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fbb5517cc9b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fbb551d3843 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fbb5408ac3d in g_main_context_dispatch (context=0x7fbb3c001710) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:3122
#27 0x00007fbb5408ac3d in g_main_context_dispatch (context=context@entry=0x7fbb3c001710) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:3737
#28 0x00007fbb5408af20 in g_main_context_iterate (context=context@entry=0x7fbb3c001710, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:3808
#29 0x00007fbb5408afcc in g_main_context_iteration (context=0x7fbb3c001710, may_block=1) at /build/buildd/glib2.0-2.44.0/./glib/gmain.c:3869
#30 0x00007fbb551d3c57 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fbb551783e2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007fbb5518002c in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x0000000000407447 in main(int, char**) (argc=1, argv=<optimized out>) at ../../krunner/main.cpp:71


Expected Results:  
no crash