Thread 1 "nheko" received signal SIGSEGV, Segmentation fault.
0x00007ffff65f6ca5 in QJsonArray::at(int) const () from /usr/lib/libQt5Core.so.5
(gdb) bt
#0  0x00007ffff65f6ca5 in QJsonArray::at(int) const () from /usr/lib/libQt5Core.so.5
#1  0x00005555555c2738 in QJsonArray::const_iterator::operator* (this=0x7fffffffce70) at /usr/include/qt/QtCore/qjsonarray.h:168
#2  0x00005555555f525f in TimelineView::addBackwardsEvents (this=0x5555566d4840, room_id=..., msgs=...) at /mnt/hdd/nheko/src/TimelineView.cc:130
#3  0x00005555555f8e9b in QtPrivate::FunctorCall<QtPrivate::IndexesList<0, 1>, QtPrivate::List<QString const&, RoomMessages const&>, void, void (TimelineView::*)(QString const&, RoomMessages const&)>::call (f=
    (void (TimelineView::*)(TimelineView * const, const QString &, const RoomMessages &)) 0x5555555f5102 <TimelineView::addBackwardsEvents(QString const&, RoomMessages const&)>,
    o=0x5555566d4840, arg=0x7fffffffd0b0) at /usr/include/qt/QtCore/qobjectdefs_impl.h:136
#4  0x00005555555f8c79 in QtPrivate::FunctionPointer<void (TimelineView::*)(QString const&, RoomMessages const&)>::call<QtPrivate::List<QString const&, RoomMessages const&>, void> (f=
    (void (TimelineView::*)(TimelineView * const, const QString &, const RoomMessages &)) 0x5555555f5102 <TimelineView::addBackwardsEvents(QString const&, RoomMessages const&)>,
    o=0x5555566d4840, arg=0x7fffffffd0b0) at /usr/include/qt/QtCore/qobjectdefs_impl.h:169
#5  0x00005555555f8891 in QtPrivate::QSlotObject<void (TimelineView::*)(QString const&, RoomMessages const&), QtPrivate::List<QString const&, RoomMessages const&>, void>::impl (which=1,
    this_=0x55555671a020, r=0x5555566d4840, a=0x7fffffffd0b0, ret=0x0) at /usr/include/qt/QtCore/qobject_impl.h:120
#6  0x00007ffff664b8af in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5
#7  0x00005555556308e2 in MatrixClient::messagesRetrieved (this=0x5555560688c0, _t1=..., _t2=...) at /mnt/hdd/nheko/build/include/moc_MatrixClient.cpp:477
#8  0x0000555555605080 in MatrixClient::onMessagesResponse (this=0x5555560688c0, reply=0x5555565ec970) at /mnt/hdd/nheko/src/MatrixClient.cc:405
#9  0x0000555555605418 in MatrixClient::onResponse (this=0x5555560688c0, reply=0x5555565ec970) at /mnt/hdd/nheko/src/MatrixClient.cc:448
#10 0x000055555562fa44 in MatrixClient::qt_static_metacall (_o=0x5555560688c0, _c=QMetaObject::InvokeMetaMethod, _id=22, _a=0x7fffffffd430)
    at /mnt/hdd/nheko/build/include/moc_MatrixClient.cpp:199
#11 0x00007ffff664b786 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5
#12 0x00007ffff7258ec3 in QNetworkAccessManager::finished(QNetworkReply*) () from /usr/lib/libQt5Network.so.5
#13 0x00007ffff7259aa7 in ?? () from /usr/lib/libQt5Network.so.5
#14 0x00007ffff725d269 in ?? () from /usr/lib/libQt5Network.so.5
#15 0x00007ffff664b786 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5
#16 0x00007ffff727ddb4 in ?? () from /usr/lib/libQt5Network.so.5
#17 0x00007ffff73281c2 in ?? () from /usr/lib/libQt5Network.so.5
#18 0x00007ffff664c1d2 in QObject::event(QEvent*) () from /usr/lib/libQt5Core.so.5
#19 0x00007ffff76cce4c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#20 0x00007ffff76d4926 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#21 0x00007ffff661bbd0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#22 0x00007ffff661e426 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#23 0x00007ffff6676a74 in ?? () from /usr/lib/libQt5Core.so.5
#24 0x00007ffff30c3a57 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#25 0x00007ffff30c3c88 in ?? () from /usr/lib/libglib-2.0.so.0
#26 0x00007ffff30c3d1c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#27 0x00007ffff6676061 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#28 0x00007ffff6619ffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#29 0x00007ffff6623048 in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#30 0x000055555561ee57 in main (argc=1, argv=0x7fffffffde68) at /mnt/hdd/nheko/src/main.cc:73