brewtarget crashed with SIGABRT in qt_message_output()

[Rifester]

Ubuntu 12.04
brewtarget 1.2.4-1
After upgrade to 12.04 program crashes immediately after loading.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: brewtarget 1.2.4-1
ProcVersionSignature: Ubuntu 3.2.0-12.21-generic 3.2.2
Uname: Linux 3.2.0-12-generic i686
NonfreeKernelModules: wl
ApportVersion: 1.91-0ubuntu1
Architecture: i386
CrashCounter: 1
Date: Fri Feb 3 19:19:59 2012
ExecutablePath: /usr/bin/brewtarget
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcCmdline: brewtarget
Signal: 6
SourcePackage: brewtarget
StacktraceTop:
 raise () from /lib/i386-linux-gnu/libc.so.6
 abort () from /lib/i386-linux-gnu/libc.so.6
 qt_message_output(QtMsgType, char const*) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
 ?? () from /usr/lib/i386-linux-gnu/libQtCore.so.4
 qFatal(char const*, ...) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
Title: brewtarget crashed with SIGABRT in raise()
UpgradeStatus: Upgraded to precise on 2012-02-03 (0 days ago)
UserGroups: adm admin cdrom debian-tor dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 qt_message_output (msgType=QtFatalMsg, buf=0x9b944f0 "QSharedPointer: pointer 0x9aef700 already has reference counting") at global/qglobal.cpp:2276
 qt_message (msgType=QtFatalMsg, msg=0x57cb644 "QSharedPointer: pointer %p already has reference counting", ap=0xbfc74b74 "") at global/qglobal.cpp:2322
 qFatal (msg=0x57cb644 "QSharedPointer: pointer %p already has reference counting") at global/qglobal.cpp:2505
 QtSharedPointer::ExternalRefCountData::setQObjectShared (this=0x9b94198, obj=0x9aef700) at tools/qsharedpointer.cpp:1242
 internalFinishConstruction (ptr=<optimized out>, this=<optimized out>) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:383