Crash in ProjectExplorer::Internal::AppOutputPane::handleOldOutput

#0 Core::OutputWindow::clear (this=<optimized out>) at outputwindow.cpp:374
#1 0x00007fdb466aa432 in ProjectExplorer::Internal::AppOutputPane::handleOldOutput (this=this@entry=0x5604098e20a0, window=<optimized out>) at appoutputpane.cpp:464
#2 0x00007fdb466ad402 in ProjectExplorer::Internal::AppOutputPane::createNewOutputWindow (this=0x5604098e20a0, rc=rc@entry=0x560415536380) at appoutputpane.cpp:419
#3 0x00007fdb4655f624 in ProjectExplorer::ProjectExplorerPluginPrivate::startRunControl (this=this@entry=0x5604095e8ee0, runControl=0x560415536380, runMode=...) at projectexplorer.cpp:2034
#4 0x00007fdb46564910 in ProjectExplorer::ProjectExplorerPluginPrivate::executeRunConfiguration (this=this@entry=0x5604095e8ee0, runConfiguration=0x56040c1c1780, runMode=...) at projectexplorer.cpp:2015
#5 0x00007fdb46564c68 in ProjectExplorer::ProjectExplorerPluginPrivate::buildQueueFinished (this=0x5604095e8ee0, success=<optimized out>) at projectexplorer.cpp:2071
#6 0x00007fdb62b0dee1 in QObject::event(QEvent*) () from /home/nik/opt/qt-5.9.0/5.9/gcc_64/lib/libQt5Core.so.5
#7 0x00007fdb63e414bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/nik/opt/qt-5.9.0/5.9/gcc_64/lib/libQt5Widgets.so.5
#8 0x00007fdb63e488e7 in QApplication::notify(QObject*, QEvent*) () from /home/nik/opt/qt-5.9.0/5.9/gcc_64/lib/libQt5Widgets.so.5
#9 0x00007fdb62ae2e78 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /home/nik/opt/qt-5.9.0/5.9/gcc_64/lib/libQt5Core.so.5
#10 0x00007fdb62ae525b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /home/nik/opt/qt-5.9.0/5.9/gcc_64/lib/libQt5Core.so.5
#11 0x00007fdb62b34533 in ?? () from /home/nik/opt/qt-5.9.0/5.9/gcc_64/lib/libQt5Core.so.5
#12 0x00007fdb5e45e7f7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007fdb5e45ea60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007fdb5e45eb0c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007fdb62b3493f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/nik/opt/qt-5.9.0/5.9/gcc_64/lib/libQt5Core.so.5
#16 0x00007fdb62ae15ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /home/nik/opt/qt-5.9.0/5.9/gcc_64/lib/libQt5Core.so.5
#17 0x00007fdb62ae9a44 in QCoreApplication::exec() () from /home/nik/opt/qt-5.9.0/5.9/gcc_64/lib/libQt5Core.so.5
#18 0x0000560408a14c48 in main (argc=<optimized out>, argv=<optimized out>) at main.cpp:538