#0  local_Rb_tree_increment (__x=0x64616f) at ../../../../../src/libstdc++-v3/src/c++98/tree.cc:65
  [Error: ../../../../../src/libstdc++-v3/src/c++98/tree.cc was not found in source tree]
#1  std::_Rb_tree_increment (__x=0xa2ef6c0) at ../../../../../src/libstdc++-v3/src/c++98/tree.cc:91
  [Error: ../../../../../src/libstdc++-v3/src/c++98/tree.cc was not found in source tree]
#2  0xb18284fc in operator++ (this=<synthetic pointer>) at /usr/include/c++/4.8/bits/stl_tree.h:270
  [Error: /usr/include/c++/4.8/bits/stl_tree.h was not found in source tree]
#3  unity::launcher::TrashLauncherIcon::OnAcceptDrop (this=0x9f91400, dnd_data=...) at /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/TrashLauncherIcon.cpp:159
  [Error: /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/TrashLauncherIcon.cpp was not found in source tree]
#4  0xb180916a in unity::launcher::LauncherIcon::AcceptDrop (this=0x9f91400, dnd_data=...) at /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/LauncherIcon.h:170
  [Error: /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/LauncherIcon.h was not found in source tree]
#5  0xb17e137f in unity::launcher::Launcher::ProcessDndDrop (this=0x9e3db58, x=31, y=1035) at /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/Launcher.cpp:2852
  [Error: /build/buildd/unity-7.1.0+13.10.20130903.1/launcher/Launcher.cpp was not found in source tree]
#6  0xb0e8a52b in nux::InputArea::HandleDndDrop (this=0x9e3db78, event=...) at ./InputArea.cpp:143
  [Error: ./InputArea.cpp was not found in source tree]
#7  0xb0ebf83a in nux::WindowCompositor::DndEventCycle (this=this@entry=0x9e26688, event=...) at ./WindowCompositor.cpp:279
  [Error: ./WindowCompositor.cpp was not found in source tree]
#8  0xb0ec0bd4 in nux::WindowCompositor::ProcessEvent (this=0x9e26688, event=...) at ./WindowCompositor.cpp:1157
  [Error: ./WindowCompositor.cpp was not found in source tree]
#9  0xb0ec6132 in nux::WindowThread::DoProcessEvent (this=this@entry=0x99c02f0, event=...) at ./WindowThread.cpp:708
  [Error: ./WindowThread.cpp was not found in source tree]
#10 0xb0ec6780 in nux::WindowThread::ProcessEvent (this=0x99c02f0, event=...) at ./WindowThread.cpp:643
  [Error: ./WindowThread.cpp was not found in source tree]
#11 0xb0e96598 in nux::nux_event_dispatch (user_data=0x99c02f0) at ./MainLoopGLib.cpp:133
  [Error: ./MainLoopGLib.cpp was not found in source tree]
#12 0xb717082e in g_main_dispatch (context=0x95e01b8) at /build/buildd/glib2.0-2.37.7/./glib/gmain.c:3065
  [Error: /build/buildd/glib2.0-2.37.7/./glib/gmain.c was not found in source tree]
#13 g_main_context_dispatch (context=context@entry=0x95e01b8) at /build/buildd/glib2.0-2.37.7/./glib/gmain.c:3641
  [Error: /build/buildd/glib2.0-2.37.7/./glib/gmain.c was not found in source tree]
#14 0xb7170bd8 in g_main_context_iterate (context=0x95e01b8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.7/./glib/gmain.c:3712
  [Error: /build/buildd/glib2.0-2.37.7/./glib/gmain.c was not found in source tree]
#15 0xb717103b in g_main_loop_run (loop=0x95dff78) at /build/buildd/glib2.0-2.37.7/./glib/gmain.c:3906
  [Error: /build/buildd/glib2.0-2.37.7/./glib/gmain.c was not found in source tree]
#16 0xb72792a3 in Glib::MainLoop::run() () from /tmp/apport_sandbox_QnEcw6/usr/lib/i386-linux-gnu/libglibmm-2.4.so.1
#17 0xb771ca48 in compiz::private_screen::EventManager::startEventLoop (this=this@entry=0x95deddc, dpy=0x95e17b0) at /build/buildd/compiz-0.9.10+13.10.20130828.2/src/screen.cpp:176
  [Error: /build/buildd/compiz-0.9.10+13.10.20130828.2/src/screen.cpp was not found in source tree]
#18 0xb771caae in CompScreenImpl::eventLoop (this=0x95dcb20) at /build/buildd/compiz-0.9.10+13.10.20130828.2/src/screen.cpp:163
  [Error: /build/buildd/compiz-0.9.10+13.10.20130828.2/src/screen.cpp was not found in source tree]
#19 0x08049b52 in CompManager::run (this=this@entry=0xbffd6d04) at /build/buildd/compiz-0.9.10+13.10.20130828.2/src/main.cpp:191
  [Error: /build/buildd/compiz-0.9.10+13.10.20130828.2/src/main.cpp was not found in source tree]
#20 0x0804930c in main (argc=1, argv=0xbffd6dc4) at /build/buildd/compiz-0.9.10+13.10.20130828.2/src/main.cpp:260
  [Error: /build/buildd/compiz-0.9.10+13.10.20130828.2/src/main.cpp was not found in source tree]