Crash on simple project

Running qbs on Arch Linux x86_64 results in a segmentation fault, please see the attached qbs file.
I did run qbs from the gdb, here is the backtrace, not terribly helpful because it's a release build:
#0 0x00007ffff7ab9d76 in ?? () from /usr/bin/../lib/qtcreator/libqbscore.so.1
#1 0x00007ffff7abaffc in ?? () from /usr/bin/../lib/qtcreator/libqbscore.so.1
#2 0x00007ffff7aec403 in ?? () from /usr/bin/../lib/qtcreator/libqbscore.so.1
#3 0x00007ffff7aee6d4 in ?? () from /usr/bin/../lib/qtcreator/libqbscore.so.1
#4 0x00007ffff7af015a in ?? () from /usr/bin/../lib/qtcreator/libqbscore.so.1
#5 0x00007ffff7af14b0 in ?? () from /usr/bin/../lib/qtcreator/libqbscore.so.1
#6 0x00007ffff7af40d1 in ?? () from /usr/bin/../lib/qtcreator/libqbscore.so.1
#7 0x00007ffff7af4fb7 in ?? () from /usr/bin/../lib/qtcreator/libqbscore.so.1
#8 0x00007ffff7ae3da6 in ?? () from /usr/bin/../lib/qtcreator/libqbscore.so.1
#9 0x00007ffff79ec09c in ?? () from /usr/bin/../lib/qtcreator/libqbscore.so.1
#10 0x00007ffff79ece46 in ?? () from /usr/bin/../lib/qtcreator/libqbscore.so.1
#11 0x00007ffff79ed017 in ?? () from /usr/bin/../lib/qtcreator/libqbscore.so.1
#12 0x00007ffff7597179 in QObject::event(QEvent*) () from /usr/bin/../lib/libQt5Core.so.5
#13 0x00007ffff756926b in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/bin/../lib/libQt5Core.so.5
#14 0x00007ffff756b1fc in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/bin/../lib/libQt5Core.so.5
#15 0x00007ffff75bf2c3 in ?? () from /usr/bin/../lib/libQt5Core.so.5
#16 0x00007ffff47d3f07 in g_main_context_dispatch () from /usr/bin/../lib/libglib-2.0.so.0
#17 0x00007ffff47d4160 in ?? () from /usr/bin/../lib/libglib-2.0.so.0
#18 0x00007ffff47d420c in g_main_context_iteration () from /usr/bin/../lib/libglib-2.0.so.0
#19 0x00007ffff75bf6cf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/bin/../lib/libQt5Core.so.5
#20 0x00007ffff756746a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/bin/../lib/libQt5Core.so.5
#21 0x00007ffff738e2f3 in QThread::exec() () from /usr/bin/../lib/libQt5Core.so.5
#22 0x00007ffff73931d8 in ?? () from /usr/bin/../lib/libQt5Core.so.5
#23 0x00007ffff5943474 in start_thread () from /usr/bin/../lib/libpthread.so.0
#24 0x00007ffff6a91acd in clone () from /usr/bin/../lib/libc.so.6