#0  0x00007f6e6c32f405 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
  [Error: ../nptl/sysdeps/unix/sysv/linux/raise.c was not found in source tree]
#1  0x00007f6e6c332b6b in __GI_abort () at abort.c:91
  [Error: abort.c was not found in source tree]
#2  0x00007f6e6c36cd0e in __libc_message (do_abort=2, fmt=0x7f6e6c474fd0 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:201
  [Error: ../sysdeps/unix/sysv/linux/libc_fatal.c was not found in source tree]
#3  0x00007f6e6c377506 in malloc_printerr (action=3, str=0x7f6e6c471f99 "invalid fastbin entry (free)", ptr=<optimized out>) at malloc.c:5007
  [Error: malloc.c was not found in source tree]
#4  0x00007f6e6d1ce298 in QString::free(QString::Data*) () from /tmp/tmpIc5BMM/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f6e6eb45929 in ?? () from /tmp/tmpIc5BMM/usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#6  0x00007f6e6eb45a3f in QDBusMessage::~QDBusMessage() () from /tmp/tmpIc5BMM/usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#7  0x00007f6e6eb4175d in ?? () from /tmp/tmpIc5BMM/usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#8  0x00007f6e6d2837ba in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /tmp/tmpIc5BMM/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007f6e6d2adec3 in ?? () from /tmp/tmpIc5BMM/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007f6e6ca00db5 in g_main_dispatch (context=0x7f6e4c0009a0) at /build/buildd/glib2.0-2.33.10/./glib/gmain.c:2707
  [Error: /build/buildd/glib2.0-2.33.10/./glib/gmain.c was not found in source tree]
#11 g_main_context_dispatch (context=context@entry=0x7f6e4c0009a0) at /build/buildd/glib2.0-2.33.10/./glib/gmain.c:3211
  [Error: /build/buildd/glib2.0-2.33.10/./glib/gmain.c was not found in source tree]
#12 0x00007f6e6ca010e8 in g_main_context_iterate (context=context@entry=0x7f6e4c0009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.10/./glib/gmain.c:3282
  [Error: /build/buildd/glib2.0-2.33.10/./glib/gmain.c was not found in source tree]
#13 0x00007f6e6ca011a4 in g_main_context_iteration (context=0x7f6e4c0009a0, may_block=1) at /build/buildd/glib2.0-2.33.10/./glib/gmain.c:3343
  [Error: /build/buildd/glib2.0-2.33.10/./glib/gmain.c was not found in source tree]
#14 0x00007f6e6d2ae056 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /tmp/tmpIc5BMM/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#15 0x00007f6e6d27e67f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /tmp/tmpIc5BMM/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00007f6e6d27e908 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /tmp/tmpIc5BMM/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007f6e6d181a50 in QThread::exec() () from /tmp/tmpIc5BMM/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x00007f6e6d1849eb in ?? () from /tmp/tmpIc5BMM/usr/lib/x86_64-linux-gnu/libQtCore.so.4
#19 0x00007f6e6ae96e9a in start_thread (arg=0x7f6e577fe700) at pthread_create.c:308
  [Error: pthread_create.c was not found in source tree]
#20 0x00007f6e6c3eb39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  [Error: ../sysdeps/unix/sysv/linux/x86_64/clone.S was not found in source tree]
#21 0x0000000000000000 in ?? ()