QT Creator 3.1 RC1 crashes when trying to configure

Going through the configuration screens, Qt Creator 3.1 RC1 crashes. Backtrace:
WADE-MAXFIELDs-iMac:Qt5.3.0 maxfield$ lldb Qt\ Creator5.3.app/
Current executable set to 'Qt Creator5.3.app/' (x86_64).
(lldb) run
Process 3787 launched: '/Users/maxfield/Qt5.3.0/Qt Creator5.3.app/Contents/MacOS/Qt Creator' (x86_64)
Process 3787 stopped

• thread #1: tid = 0x12e65, 0x00000001002540d4 QtWidgets`QWidget::mapFromGlobal(QPoint const&) const + 100, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
  frame #0: 0x00000001002540d4 QtWidgets`QWidget::mapFromGlobal(QPoint const&) const + 100
  QtWidgets`QWidget::mapFromGlobal(QPoint const&) const + 100:
  -> 0x1002540d4: subl 0x18(%rax), %r15d
  0x1002540d8: subl 0x14(%rax), %r14d
  0x1002540dc: testb $0x1, 0xc(%rax)
  0x1002540e0: jne 0x100254102 ; QWidget::mapFromGlobal(QPoint const&) const + 146
  (lldb) bt
• thread #1: tid = 0x12e65, 0x00000001002540d4 QtWidgets`QWidget::mapFromGlobal(QPoint const&) const + 100, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
• frame #0: 0x00000001002540d4 QtWidgets`QWidget::mapFromGlobal(QPoint const&) const + 100
  frame #1: 0x0000000100258bc6 QtWidgets`___lldb_unnamed_function643$$QtWidgets + 598
  frame #2: 0x00000001002564a1 QtWidgets`___lldb_unnamed_function627$$QtWidgets + 561
  frame #3: 0x0000000100200f2c QtWidgets`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 300
  frame #4: 0x0000000100203a1d QtWidgets`QApplication::notify(QObject*, QEvent*) + 6157
  frame #5: 0x0000000100e020b2 QtCore`QCoreApplication::notifyInternal(QObject*, QEvent*) + 114
  frame #6: 0x00000001007d485f QtGui`QGuiApplicationPrivate::processTabletEvent(QWindowSystemInterfacePrivate::TabletEvent*) + 911
  frame #7: 0x00000001007d0630 QtGui`QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) + 944
  frame #8: 0x00000001007c0338 QtGui`QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 136
  frame #9: 0x0000000102b284c7 libqcocoa.dylib`___lldb_unnamed_function379$$libqcocoa.dylib + 295
  frame #10: 0x0000000102b28fd8 libqcocoa.dylib`___lldb_unnamed_function393$$libqcocoa.dylib + 40
  frame #11: 0x00007fff8d030b31 CoreFoundation`_CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION_ + 17
  frame #12: 0x00007fff8d030455 CoreFoundation`__CFRunLoopDoSources0 + 245
  frame #13: 0x00007fff8d0537f5 CoreFoundation`__CFRunLoopRun + 789
  frame #14: 0x00007fff8d0530e2 CoreFoundation`CFRunLoopRunSpecific + 290
  frame #15: 0x00007fff8454eeb4 HIToolbox`RunCurrentEventLoopInMode + 209
  frame #16: 0x00007fff8454eb94 HIToolbox`ReceiveNextEventCommon + 166
  frame #17: 0x00007fff8454eae3 HIToolbox`BlockUntilNextEventMatchingListInMode + 62
  frame #18: 0x00007fff8ba64533 AppKit`_DPSNextEvent + 685
  frame #19: 0x00007fff8ba63df2 AppKit`-[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 128
  frame #20: 0x00007fff8ba5b1a3 AppKit`-[NSApplication run] + 517
  frame #21: 0x0000000102b27d44 libqcocoa.dylib`___lldb_unnamed_function374$$libqcocoa.dylib + 2404
  frame #22: 0x0000000100dff64d QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 397
  frame #23: 0x0000000100e02652 QtCore`QCoreApplication::exec() + 354
  frame #24: 0x000000010000d653 Qt Creator`main + 23347
  (lldb)