#0  0x00007fd3027f1f77 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
  [Error: ../nptl/sysdeps/unix/sysv/linux/raise.c was not found in source tree]
#1  0x00007fd3027f55e8 in __GI_abort () at abort.c:90
  [Error: abort.c was not found in source tree]
#2  0x00007fd302df86e5 in __gnu_cxx::__verbose_terminate_handler () at ../../../../src/libstdc++-v3/libsupc++/vterminate.cc:95
  [Error: ../../../../src/libstdc++-v3/libsupc++/vterminate.cc was not found in source tree]
#3  0x00007fd302df6856 in __cxxabiv1::__terminate (handler=<optimized out>) at ../../../../src/libstdc++-v3/libsupc++/eh_terminate.cc:38
  [Error: ../../../../src/libstdc++-v3/libsupc++/eh_terminate.cc was not found in source tree]
#4  0x00007fd302df6883 in std::terminate () at ../../../../src/libstdc++-v3/libsupc++/eh_terminate.cc:48
  [Error: ../../../../src/libstdc++-v3/libsupc++/eh_terminate.cc was not found in source tree]
#5  0x00007fd302df6aae in __cxxabiv1::__cxa_throw (obj=0x27f7b50, tinfo=<optimized out>, dest=<optimized out>) at ../../../../src/libstdc++-v3/libsupc++/eh_throw.cc:84
  [Error: ../../../../src/libstdc++-v3/libsupc++/eh_throw.cc was not found in source tree]
#6  0x00007fd2e421e59d in boost::throw_exception<boost::bad_function_call> (e=...) at /usr/include/boost/throw_exception.hpp:67
  [Error: /usr/include/boost/throw_exception.hpp was not found in source tree]
#7  0x00007fd2e43ab463 in operator() (a2=..., a1=<optimized out>, a0=<optimized out>, this=<optimized out>) at /usr/include/boost/function/function_template.hpp:764
  [Error: /usr/include/boost/function/function_template.hpp was not found in source tree]
#8  unity::MultiActionList::Initiate (this=0x823, this@entry=0xcfc3b8, name=..., extra_args=..., state=0) at /build/buildd/unity-7.1.0+13.10.20130903.1/unity-shared/PluginAdapter.cpp:283
  [Error: /build/buildd/unity-7.1.0+13.10.20130903.1/unity-shared/PluginAdapter.cpp was not found in source tree]
#9  0x00007fd2e43ab53d in unity::MultiActionList::InitiateAll (this=this@entry=0xcfc3b8, extra_args=..., state=state@entry=0) at /build/buildd/unity-7.1.0+13.10.20130903.1/unity-shared/PluginAdapter.cpp:309
  [Error: /build/buildd/unity-7.1.0+13.10.20130903.1/unity-shared/PluginAdapter.cpp was not found in source tree]
#10 0x00007fd2e43ab780 in unity::PluginAdapter::InitiateScale (this=this@entry=0xcfc140, match=..., state=state@entry=0) at /build/buildd/unity-7.1.0+13.10.20130903.1/unity-shared/PluginAdapter.cpp:392
  [Error: /build/buildd/unity-7.1.0+13.10.20130903.1/unity-shared/PluginAdapter.cpp was not found in source tree]
#11 0x00007fd2e43ace00 in unity::PluginAdapter::ScaleWindowGroup (this=0xcfc140, windows=..., state=0, force=<optimized out>) at /build/buildd/unity-7.1.0+13.10.20130903.1/unity-shared/PluginAdapter.cpp:907
  [Error: /build/buildd/unity-7.1.0+13.10.20130903.1/unity-shared/PluginAdapter.cpp was not found in source tree]
#12 0x00007fd2e427fca9 in unity::launcher::ApplicationLauncherIcon::Spread (this=this@entry=0x29aeb10, current_desktop=current_desktop@entry=true, state=state@entry=0, force=force@entry=false) at /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/ApplicationLauncherIcon.cpp:673
  [Error: /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/ApplicationLauncherIcon.cpp was not found in source tree]
#13 0x00007fd2e427fe75 in unity::launcher::ApplicationLauncherIcon::ActivateLauncherIcon (this=0x29aeb10, arg=...) at /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/ApplicationLauncherIcon.cpp:391
  [Error: /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/ApplicationLauncherIcon.cpp was not found in source tree]
#14 0x00007fd2e4250ce4 in unity::launcher::LauncherIcon::Activate (this=0x29aeb10, arg=...) at /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/LauncherIcon.cpp:210
  [Error: /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/LauncherIcon.cpp was not found in source tree]
#15 0x00007fd2e424e578 in unity::launcher::LauncherIcon::RecvMouseClick (this=0x29aeb10, button=1, monitor=0, key_flags=0) at /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/LauncherIcon.cpp:646
  [Error: /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/LauncherIcon.cpp was not found in source tree]
#16 0x00007fd2e42396b4 in sigc::internal::signal_emit3<void, int, int, unsigned long, sigc::nil>::emit (impl=0x112d340, _A_a1=@0x7fff1b4b937c: 1, _A_a2=@0x7fff1b4b9390: 0, _A_a3=@0x7fff1b4b9368: 0) at /usr/include/sigc++-2.0/sigc++/signal.h:1501
  [Error: /usr/include/sigc++-2.0/sigc++/signal.h was not found in source tree]
#17 0x00007fd2e423425d in emit (this=<optimized out>, _A_a3=@0x7fff1b4b9368: 0, _A_a2=@0x7fff1b4b9390: 0, _A_a1=@0x7fff1b4b937c: 1) at /usr/include/sigc++-2.0/sigc++/signal.h:3003
  [Error: /usr/include/sigc++-2.0/sigc++/signal.h was not found in source tree]
#18 unity::launcher::Launcher::MouseUpLogic (this=this@entry=0x23e8d30, x=x@entry=22, y=y@entry=204, button_flags=button_flags@entry=2101248, key_flags=key_flags@entry=0) at /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/Launcher.cpp:2527
  [Error: /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/Launcher.cpp was not found in source tree]
#19 0x00007fd2e4234304 in unity::launcher::Launcher::RecvMouseUp (this=0x23e8d30, x=22, y=204, button_flags=2101248, key_flags=0) at /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/Launcher.cpp:2262
  [Error: /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/Launcher.cpp was not found in source tree]
#20 0x00007fd2e2919662 in emit (_A_a4=@0x7fff1b4b9438: 0, _A_a3=@0x7fff1b4b9440: 2101248, _A_a2=@0x7fff1b4b9448: 204, _A_a1=@0x7fff1b4b944c: 22, impl=0x23337f0) at /usr/include/sigc++-2.0/sigc++/signal.h:1757
  [Error: /usr/include/sigc++-2.0/sigc++/signal.h was not found in source tree]
#21 emit (this=<optimized out>, _A_a4=@0x7fff1b4b9438: 0, _A_a3=@0x7fff1b4b9440: 2101248, _A_a2=@0x7fff1b4b9448: 204, _A_a1=@0x7fff1b4b944c: 22) at /usr/include/sigc++-2.0/sigc++/signal.h:3117
  [Error: /usr/include/sigc++-2.0/sigc++/signal.h was not found in source tree]
#22 nux::InputArea::EmitMouseUpSignal (this=this@entry=0x23e8d68, x=x@entry=22, y=y@entry=204, mouse_button_state=2101248, special_keys_state=special_keys_state@entry=0) at ./InputArea.cpp:304
  [Error: ./InputArea.cpp was not found in source tree]
#23 0x00007fd2e2948d4d in nux::WindowCompositor::UpdateMouseOwner (this=this@entry=0x22bcf60, event=..., area_under_mouse_changed=area_under_mouse_changed@entry=false) at ./WindowCompositor.cpp:612
  [Error: ./WindowCompositor.cpp was not found in source tree]
#24 0x00007fd2e294aa87 in nux::WindowCompositor::MouseEventCycle (this=0x22bcf60, event=...) at ./WindowCompositor.cpp:691
  [Error: ./WindowCompositor.cpp was not found in source tree]
#25 0x00007fd2e294b1fb in nux::WindowCompositor::ProcessEvent (this=0x22bcf60, event=...) at ./WindowCompositor.cpp:1141
  [Error: ./WindowCompositor.cpp was not found in source tree]
#26 0x00007fd2e295011f in nux::WindowThread::DoProcessEvent (this=<optimized out>, event=...) at ./WindowThread.cpp:708
  [Error: ./WindowThread.cpp was not found in source tree]
#27 0x00007fd2e2924916 in nux::nux_event_dispatch (user_data=0x23e60b0) at ./MainLoopGLib.cpp:133
  [Error: ./MainLoopGLib.cpp was not found in source tree]
#28 0x00007fd3011043c6 in ?? ()
#29 0x00007fff1b4b9ea8 in ?? ()
#30 0x00007fff1b4b9ec0 in ?? ()
#31 0x00007fd2e29248c0 in ?? () at ./MainLoopGLib.cpp:327 from /tmp/apport_sandbox_3ODftI/usr/lib/x86_64-linux-gnu/libnux-4.0.so.0
#32 0x00000000011040f8 in ?? ()
#33 0x00007fff1b4b9eb0 in ?? ()
#34 0x00007fff1b4b9eb8 in ?? ()
#35 0x00000000023e60b0 in ?? ()
#36 0x0000000000000000 in ?? ()