Creator crashed spontanously

Thread 1 (Thread 0x7f7192270800 (LWP 15131)):
#0  0x00007f7711709f5a in ?? ()
#1  0x00007f7144314ea6 in CPlusPlus::Icons::iconTypeForSymbol (symbol=<optimized out>) at /home/jarek/dev/creator-master/src/libs/cplusplus/Icons.cpp:54
#2  0x00007f7144315245 in CPlusPlus::Icons::iconForSymbol (symbol=<optimized out>) at /home/jarek/dev/creator-master/src/libs/cplusplus/Icons.cpp:38
#3  0x00007f7127ab3ee6 in CppEditor::Internal::SymbolItem::data (this=0x7f70e46d72c0, column=0, role=1) at /home/jarek/dev/creator-master/src/plugins/cppeditor/cppoverviewmodel.cpp:129
#4  0x00007f719870bab5 in Utils::BaseTreeModel::data (this=0x556813ddc0b8, idx=..., role=1) at /home/jarek/dev/creator-master/src/libs/utils/treemodel.cpp:1017
#5  0x00007f71961e64f3 in QSortFilterProxyModel::data (this=0x556813ea6870, index=..., role=1) at /home/jarek/dev/qt-63/qtbase/src/corelib/itemmodels/qsortfilterproxymodel.cpp:2285
#6  0x00007f719618a1a4 in QAbstractItemModel::multiData (this=0x556813ea6870, index=..., roleDataSpan=...) at /home/jarek/dev/qt-63/qtbase/src/corelib/itemmodels/qabstractitemmodel.cpp:3704
#7  0x00007f7197d287b8 in QModelIndex::multiData (this=0x7ffd44c6f470, roleDataSpan=...) at /home/jarek/dev/qt-63-build/qtbase/include/QtCore/../../../../qt-63/qtbase/src/corelib/itemmodels/qabstractitemmodel.h:532
#8  0x00007f7197d26d57 in QStyledItemDelegate::initStyleOption (this=0x556815868860, option=0x7ffd44c6f2e0, index=...) at /home/jarek/dev/qt-63/qtbase/src/widgets/itemviews/qstyleditemdelegate.cpp:295
#9  0x00007f7197d2779f in QStyledItemDelegate::sizeHint (this=0x556815868860, option=..., index=...) at /home/jarek/dev/qt-63/qtbase/src/widgets/itemviews/qstyleditemdelegate.cpp:427
#10 0x00007f7197da5292 in QTreeView::indexRowSizeHint (this=0x556813e9f670, index=...) at /home/jarek/dev/qt-63/qtbase/src/widgets/itemviews/qtreeview.cpp:3029
#11 0x00007f7197da6eda in QTreeViewPrivate::layout (this=0x556815d34680, i=-1, recursiveExpanding=false, afterIsUninitialized=false) at /home/jarek/dev/qt-63/qtbase/src/widgets/itemviews/qtreeview.cpp:3376
#12 0x00007f7197da0fd4 in QTreeView::doItemsLayout (this=0x556813e9f670) at /home/jarek/dev/qt-63/qtbase/src/widgets/itemviews/qtreeview.cpp:2139
#13 0x00007f7197ce24f4 in QAbstractItemViewPrivate::executePostedLayout (this=0x556815d34680) at /home/jarek/dev/qt-63-build/qtbase/include/QtWidgets/6.3.2/QtWidgets/private/../../../../../../../qt-63/qtbase/src/widgets/itemviews/qabstractitemview_p.h:232
#14 0x00007f7197da47c7 in QTreeView::sizeHintForColumn (this=0x556813e9f670, column=0) at /home/jarek/dev/qt-63/qtbase/src/widgets/itemviews/qtreeview.cpp:2889
#15 0x00007f7197d079f5 in QHeaderViewPrivate::viewSectionSizeHint (this=0x556813ea3530, logical=0) at /home/jarek/dev/qt-63/qtbase/src/widgets/itemviews/qheaderview.cpp:4023
#16 0x00007f7197d064f0 in QHeaderViewPrivate::resizeSections (this=0x556813ea3530, globalMode=QHeaderView::Interactive, useGlobalMode=false) at /home/jarek/dev/qt-63/qtbase/src/widgets/itemviews/qheaderview.cpp:3630
#17 0x00007f7197cfec80 in QHeaderView::resizeSections (this=0x556815841a90) at /home/jarek/dev/qt-63/qtbase/src/widgets/itemviews/qheaderview.cpp:1898
#18 0x00007f7197cfdcb6 in QHeaderView::setSortIndicatorShown (this=0x556815841a90, show=true) at /home/jarek/dev/qt-63/qtbase/src/widgets/itemviews/qheaderview.cpp:1390
#19 0x00007f7197d9ac94 in QTreeView::setSortingEnabled (this=0x556813e9f670, enable=true) at /home/jarek/dev/qt-63/qtbase/src/widgets/itemviews/qtreeview.cpp:873
#20 0x00007f7127ab076e in CppEditor::Internal::CppOutlineWidget::CppOutlineWidget (this=0x556815c62280, editor=0x556813e55ce0) at /home/jarek/dev/creator-master/src/plugins/cppeditor/cppoutline.cpp:117
#21 0x00007f7127ab1240 in CppEditor::Internal::CppOutlineWidgetFactory::createWidget (this=0x55681251efe0, editor=0x556813df0e30) at /home/jarek/dev/creator-master/src/plugins/cppeditor/cppoutline.cpp:253
#22 0x00007f714553abe0 in TextEditor::Internal::OutlineWidgetStack::updateEditor (this=0x556813a50f10, editor=0x556813df0e30) at /home/jarek/dev/creator-master/src/plugins/texteditor/outlinefactory.cpp:193
#23 0x00007f714553ab21 in TextEditor::Internal::OutlineWidgetStack::updateCurrentEditor (this=0x556813a50f10) at /home/jarek/dev/creator-master/src/plugins/texteditor/outlinefactory.cpp:183
#24 0x00007f714553df5e in QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, void (TextEditor::Internal::OutlineWidgetStack::*)()>::call(void (TextEditor::Internal::OutlineWidgetStack::*)(), TextEditor::Internal::OutlineWidgetStack*, void**) (f=(void (TextEditor::Internal::OutlineWidgetStack::*)(TextEditor::Internal::OutlineWidgetStack * const)) 0x7f714553aafa <TextEditor::Internal::OutlineWidgetStack::updateCurrentEditor()>, o=0x556813a50f10, arg=0x7ffd44c6fdf8) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobjectdefs_impl.h:171
#25 0x00007f714553d5a2 in QtPrivate::FunctionPointer<void (TextEditor::Internal::OutlineWidgetStack::*)()>::call<QtPrivate::List<>, void>(void (TextEditor::Internal::OutlineWidgetStack::*)(), TextEditor::Internal::OutlineWidgetStack*, void**) (f=(void (TextEditor::Internal::OutlineWidgetStack::*)(TextEditor::Internal::OutlineWidgetStack * const)) 0x7f714553aafa <TextEditor::Internal::OutlineWidgetStack::updateCurrentEditor()>, o=0x556813a50f10, arg=0x7ffd44c6fdf8) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobjectdefs_impl.h:208
#26 0x00007f714553c961 in QtPrivate::QSlotObject<void (TextEditor::Internal::OutlineWidgetStack::*)(), QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (which=1, this_=0x556813a54810, r=0x556813a50f10, a=0x7ffd44c6fdf8, ret=0x0) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobjectdefs_impl.h:419
#27 0x00007f7195e23d0b in QtPrivate::QSlotObjectBase::call (this=0x556813a54810, r=0x556813a50f10, a=0x7ffd44c6fdf8) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobjectdefs_impl.h:399
#28 0x00007f7195e9cc84 in doActivate<false> (sender=0x556812116bb8, signal_index=3, argv=0x7ffd44c6fdf8) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobject.cpp:3921
#29 0x00007f7195e93963 in QMetaObject::activate (sender=0x556812116bb8, m=0x7f71457e96c0 <TextEditor::Internal::OutlineFactory::staticMetaObject>, local_signal_index=0, argv=0x0) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobject.cpp:3981
#30 0x00007f714543e779 in TextEditor::Internal::OutlineFactory::updateOutline (this=0x556812116bb8) at /home/jarek/dev/creator-master-build-63/src/plugins/texteditor/TextEditor_autogen/EWIEGA46WW/moc_outlinefactory.cpp:210
#31 0x00007f71455397f4 in TextEditor::IOutlineWidgetFactory::updateOutline () at /home/jarek/dev/creator-master/src/plugins/texteditor/outlinefactory.cpp:59
#32 0x00007f714448cd7a in LanguageClient::ClientPrivate::initializeCallback (this=0x556815d40f70, initResponse=...) at /home/jarek/dev/creator-master/src/plugins/languageclient/client.cpp:2006
#33 0x00007f714447f53c in operator() (__closure=0x556813e864f0, initResponse=...) at /home/jarek/dev/creator-master/src/plugins/languageclient/client.cpp:534
#34 0x00007f7144490e8d in std::__invoke_impl<void, LanguageClient::Client::initialize()::<lambda(const Response&)>&, LanguageServerProtocol::Response<LanguageServerProtocol::InitializeResult, LanguageServerProtocol::InitializeError> >(std::__invoke_other, struct {...} &) (__f=...) at /usr/include/c++/11/bits/invoke.h:61
#35 0x00007f714448fe37 in std::__invoke_r<void, LanguageClient::Client::initialize()::<lambda(const Response&)>&, LanguageServerProtocol::Response<LanguageServerProtocol::InitializeResult, LanguageServerProtocol::InitializeError> >(struct {...} &) (__fn=...) at /usr/include/c++/11/bits/invoke.h:111
#36 0x00007f714448f0b6 in std::_Function_handler<void(LanguageServerProtocol::Response<LanguageServerProtocol::InitializeResult, LanguageServerProtocol::InitializeError>), LanguageClient::Client::initialize()::<lambda(const Response&)> >::_M_invoke(const std::_Any_data &, LanguageServerProtocol::Response<LanguageServerProtocol::InitializeResult, LanguageServerProtocol::InitializeError> &&) (__functor=..., __args#0=...) at /usr/include/c++/11/bits/std_function.h:290
#37 0x00007f71444bb00f in std::function<void (LanguageServerProtocol::Response<LanguageServerProtocol::InitializeResult, LanguageServerProtocol::InitializeError>)>::operator()(LanguageServerProtocol::Response<LanguageServerProtocol::InitializeResult, LanguageServerProtocol::InitializeError>) const (this=0x556813e864f0, __args#0=...) at /usr/include/c++/11/bits/std_function.h:590
#38 0x00007f71444a862b in LanguageServerProtocol::Request<LanguageServerProtocol::InitializeResult, LanguageServerProtocol::InitializeError, LanguageServerProtocol::InitializeParams>::responseHandler() const::{lambda(LanguageServerProtocol::JsonRpcMessage const&)#1}::operator()(LanguageServerProtocol::JsonRpcMessage const&) const (__closure=0x556813e864f0, message=...) at /home/jarek/dev/creator-master/src/libs/languageserverprotocol/jsonrpcmessages.h:392
#39 0x00007f71444e0f93 in std::__invoke_impl<void, LanguageServerProtocol::Request<LanguageServerProtocol::InitializeResult, LanguageServerProtocol::InitializeError, LanguageServerProtocol::InitializeParams>::responseHandler() const::{lambda(LanguageServerProtocol::JsonRpcMessage const&)#1}&, LanguageServerProtocol::JsonRpcMessage const&>(std::__invoke_other, LanguageServerProtocol::Request<LanguageServerProtocol::InitializeResult, LanguageServerProtocol::InitializeError, LanguageServerProtocol::InitializeParams>::responseHandler() const::{lambda(LanguageServerProtocol::JsonRpcMessage const&)#1}&, LanguageServerProtocol::JsonRpcMessage const&) (__f=...) at /usr/include/c++/11/bits/invoke.h:61
#40 0x00007f71444d52fc in std::__invoke_r<void, LanguageServerProtocol::Request<LanguageServerProtocol::InitializeResult, LanguageServerProtocol::InitializeError, LanguageServerProtocol::InitializeParams>::responseHandler() const::{lambda(LanguageServerProtocol::JsonRpcMessage const&)#1}&, LanguageServerProtocol::JsonRpcMessage const&>(LanguageServerProtocol::Request<LanguageServerProtocol::InitializeResult, LanguageServerProtocol::InitializeError, LanguageServerProtocol::InitializeParams>::responseHandler() const::{lambda(LanguageServerProtocol::JsonRpcMessage const&)#1}&, LanguageServerProtocol::JsonRpcMessage const&) (__fn=...) at /usr/include/c++/11/bits/invoke.h:111
#41 0x00007f71444c8dd3 in std::_Function_handler<void (LanguageServerProtocol::JsonRpcMessage const&), LanguageServerProtocol::Request<LanguageServerProtocol::InitializeResult, LanguageServerProtocol::InitializeError, LanguageServerProtocol::InitializeParams>::responseHandler() const::{lambda(LanguageServerProtocol::JsonRpcMessage const&)#1}>::_M_invoke(std::_Any_data const&, LanguageServerProtocol::JsonRpcMessage const&) (__functor=..., __args#0=...) at /usr/include/c++/11/bits/std_function.h:290
#42 0x00007f71444adc33 in std::function<void (LanguageServerProtocol::JsonRpcMessage const&)>::operator()(LanguageServerProtocol::JsonRpcMessage const&) const (this=0x7ffd44c70230, __args#0=...) at /usr/include/c++/11/bits/std_function.h:590
#43 0x00007f71444899a6 in LanguageClient::ClientPrivate::handleResponse (this=0x556815d40f70, id=..., message=...) at /home/jarek/dev/creator-master/src/plugins/languageclient/client.cpp:1740
#44 0x00007f7144488ae9 in LanguageClient::Client::handleMessage (this=0x556812cccac0, message=...) at /home/jarek/dev/creator-master/src/plugins/languageclient/client.cpp:1584
#45 0x00007f71444e048b in QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<LanguageServerProtocol::JsonRpcMessage const&>, void, void (LanguageClient::Client::*)(LanguageServerProtocol::JsonRpcMessage const&)>::call (f=(void (LanguageClient::Client::*)(LanguageClient::Client * const, const LanguageServerProtocol::JsonRpcMessage &)) 0x7f7144488986 <LanguageClient::Client::handleMessage(LanguageServerProtocol::JsonRpcMessage const&)>, o=0x556812cccac0, arg=0x7ffd44c70570) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobjectdefs_impl.h:171
#46 0x00007f71444d418a in QtPrivate::FunctionPointer<void (LanguageClient::Client::*)(LanguageServerProtocol::JsonRpcMessage const&)>::call<QtPrivate::List<LanguageServerProtocol::JsonRpcMessage const&>, void> (f=(void (LanguageClient::Client::*)(LanguageClient::Client * const, const LanguageServerProtocol::JsonRpcMessage &)) 0x7f7144488986 <LanguageClient::Client::handleMessage(LanguageServerProtocol::JsonRpcMessage const&)>, o=0x556812cccac0, arg=0x7ffd44c70570) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobjectdefs_impl.h:208
#47 0x00007f71444c7281 in QtPrivate::QSlotObject<void (LanguageClient::Client::*)(LanguageServerProtocol::JsonRpcMessage const&), QtPrivate::List<LanguageServerProtocol::JsonRpcMessage const&>, void>::impl (which=1, this_=0x55681725d210, r=0x556812cccac0, a=0x7ffd44c70570, ret=0x0) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobjectdefs_impl.h:419
#48 0x00007f7195e23d0b in QtPrivate::QSlotObjectBase::call (this=0x55681725d210, r=0x556812cccac0, a=0x7ffd44c70570) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobjectdefs_impl.h:399
#49 0x00007f7195e9cc84 in doActivate<false> (sender=0x556816954de0, signal_index=3, argv=0x7ffd44c70570) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobject.cpp:3921
#50 0x00007f7195e93963 in QMetaObject::activate (sender=0x556816954de0, m=0x7f71447caf60 <LanguageClient::InterfaceController::staticMetaObject>, local_signal_index=0, argv=0x7ffd44c70570) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobject.cpp:3981
#51 0x00007f714448dc14 in LanguageClient::InterfaceController::messageReceived (this=0x556816954de0, _t1=...) at /home/jarek/dev/creator-master-build-63/src/plugins/languageclient/LanguageClient_autogen/include/client.moc:182
#52 0x00007f71444df1cd in QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<LanguageServerProtocol::JsonRpcMessage>, void, void (LanguageClient::InterfaceController::*)(LanguageServerProtocol::JsonRpcMessage const&)>::call (f=(void (LanguageClient::InterfaceController::*)(LanguageClient::InterfaceController * const, const LanguageServerProtocol::JsonRpcMessage &)) 0x7f714448dbb2 <LanguageClient::InterfaceController::messageReceived(LanguageServerProtocol::JsonRpcMessage const&)>, o=0x556816954de0, arg=0x7f710c01f6a8) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobjectdefs_impl.h:171
#53 0x00007f71444d326a in QtPrivate::FunctionPointer<void (LanguageClient::InterfaceController::*)(LanguageServerProtocol::JsonRpcMessage const&)>::call<QtPrivate::List<LanguageServerProtocol::JsonRpcMessage>, void> (f=(void (LanguageClient::InterfaceController::*)(LanguageClient::InterfaceController * const, const LanguageServerProtocol::JsonRpcMessage &)) 0x7f714448dbb2 <LanguageClient::InterfaceController::messageReceived(LanguageServerProtocol::JsonRpcMessage const&)>, o=0x556816954de0, arg=0x7f710c01f6a8) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobjectdefs_impl.h:208
#54 0x00007f71444c6745 in QtPrivate::QSlotObject<void (LanguageClient::InterfaceController::*)(LanguageServerProtocol::JsonRpcMessage const&), QtPrivate::List<LanguageServerProtocol::JsonRpcMessage>, void>::impl (which=1, this_=0x556814370f20, r=0x556816954de0, a=0x7f710c01f6a8, ret=0x0) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobjectdefs_impl.h:419
#55 0x00007f7195e23d0b in QtPrivate::QSlotObjectBase::call (this=0x556814370f20, r=0x556816954de0, a=0x7f710c01f6a8) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobjectdefs_impl.h:399
#56 0x00007f7195e8a98b in QMetaCallEvent::placeMetaCall (this=0x7f710c01f660, object=0x556816954de0) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobject.cpp:624
#57 0x00007f7195e8bb41 in QObject::event (this=0x556816954de0, e=0x7f710c01f660) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qobject.cpp:1356
#58 0x00007f7197871f7e in QApplicationPrivate::notify_helper (this=0x556811bb4ea0, receiver=0x556816954de0, e=0x7f710c01f660) at /home/jarek/dev/qt-63/qtbase/src/widgets/kernel/qapplication.cpp:3350
#59 0x00007f7197871d70 in QApplication::notify (this=0x7ffd44c71260, receiver=0x556816954de0, e=0x7f710c01f660) at /home/jarek/dev/qt-63/qtbase/src/widgets/kernel/qapplication.cpp:3301
#60 0x00007f7195e00f1d in QCoreApplication::notifyInternal2 (receiver=0x556816954de0, event=0x7f710c01f660) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qcoreapplication.cpp:1067
#61 0x00007f7195e01abb in QCoreApplication::sendEvent (receiver=0x556816954de0, event=0x7f710c01f660) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qcoreapplication.cpp:1483
#62 0x00007f7195e029e7 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x556811bb3950) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qcoreapplication.cpp:1845
#63 0x00007f7195e022ca in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qcoreapplication.cpp:1704
#64 0x00007f719622b4a0 in postEventSourceDispatch (s=0x556811c225d0) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:279
#65 0x00007f719480fd1b in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#66 0x00007f71948646f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#67 0x00007f719480d3c3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#68 0x00007f719622bd62 in QEventDispatcherGlib::processEvents (this=0x556811c21ac0, flags=...) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:429
#69 0x00007f7191bbfb16 in QXcbGlibEventDispatcher::processEvents (this=0x556811c21ac0, flags=...) at /home/jarek/dev/qt-63/qtbase/src/plugins/platforms/xcb/qxcbeventdispatcher.cpp:132
#70 0x00007f7195e169bd in QEventLoop::processEvents (this=0x7ffd44c70eb0, flags=...) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qeventloop.cpp:136
#71 0x00007f7195e16d2c in QEventLoop::exec (this=0x7ffd44c70eb0, flags=...) at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qeventloop.cpp:218
#72 0x00007f7195e01888 in QCoreApplication::exec () at /home/jarek/dev/qt-63/qtbase/src/corelib/kernel/qcoreapplication.cpp:1388
#73 0x00007f7196a3c4ce in QGuiApplication::exec () at /home/jarek/dev/qt-63/qtbase/src/gui/kernel/qguiapplication.cpp:1887
#74 0x00007f719786efe1 in QApplication::exec () at /home/jarek/dev/qt-63/qtbase/src/widgets/kernel/qapplication.cpp:2631
#75 0x000055680fdba2fe in main (argc=1, argv=0x7ffd44c71538) at /home/jarek/dev/creator-master/src/app/main.cpp:756