#0  gdk_window_is_destroyed (window=0x1) at /build/buildd/gtk+3.0-3.14.8/./gdk/gdkwindow.c:2172
  [Error: /build/buildd/gtk+3.0-3.14.8/./gdk/gdkwindow.c was not found in source tree]
#1  0x00007f1172334fc0 in gtk_get_event_widget (event=event@entry=0x12078c0) at /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c:2390
  [Error: /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c was not found in source tree]
#2  0x00007f11724672fa in gtk_widget_event_internal (widget=0xa1c3b0, event=0x12078c0) at /build/buildd/gtk+3.0-3.14.8/./gtk/gtkwidget.c:7666
  [Error: /build/buildd/gtk+3.0-3.14.8/./gtk/gtkwidget.c was not found in source tree]
#3  0x00007f1172333abe in propagate_event_up (topmost=<optimized out>, event=<optimized out>, widget=0xa1c3b0) at /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c:2424
  [Error: /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c was not found in source tree]
#4  propagate_event (widget=widget@entry=0xa1c3b0, event=0x12078c0, captured=captured@entry=0, topmost=topmost@entry=0x0) at /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c:2526
  [Error: /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c was not found in source tree]
#5  0x00007f1172335072 in gtk_propagate_event (widget=widget@entry=0xa1c3b0, event=<optimized out>) at /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c:2561
  [Error: /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c was not found in source tree]
#6  0x0000000000419c93 in egg_tree_multi_drag_button_release_event (widget=widget@entry=0xa1c3b0, event=<optimized out>, data=data@entry=0x0) at eggtreemultidnd.c:183
  178:     return FALSE;
  179: 
  180:   priv_data->button_released = TRUE;
  181: 
  182:   for (l = priv_data->event_list; l != NULL; l = l->next)
  183:     gtk_propagate_event (widget, l->data);
  184: 
  185:   stop_drag_check (widget);
  186: 
  187:   return FALSE;
  188: }
#7  0x00007f11723360ad in _gtk_marshal_BOOLEAN__BOXED (closure=0xfe8f80, return_value=0x7ffffbc50a70, n_param_values=<optimized out>, param_values=0x7ffffbc50b20, invocation_hint=<optimized out>, marshal_data=<optimized out>) at /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmarshalers.c:85
  [Error: /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmarshalers.c was not found in source tree]
#8  0x00007f1170d0f2d5 in g_closure_invoke (closure=0xfe8f80, return_value=0x7ffffbc50a70, n_param_values=2, param_values=0x7ffffbc50b20, invocation_hint=0x7ffffbc50ac0) at /build/buildd/glib2.0-2.43.91/./gobject/gclosure.c:768
  [Error: /build/buildd/glib2.0-2.43.91/./gobject/gclosure.c was not found in source tree]
#9  0x00007f1170d2103c in signal_emit_unlocked_R (node=node@entry=0x858970, detail=detail@entry=0, instance=instance@entry=0xa1c3b0, emission_return=emission_return@entry=0x7ffffbc50bd0, instance_and_params=instance_and_params@entry=0x7ffffbc50b20) at /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c:3549
  [Error: /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c was not found in source tree]
#10 0x00007f1170d291a5 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffffbc50cb0) at /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c:3315
  [Error: /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c was not found in source tree]
#11 0x00007f1170d298ff in g_signal_emit (instance=instance@entry=0xa1c3b0, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c:3361
  [Error: /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c was not found in source tree]
#12 0x00007f11724673a4 in gtk_widget_event_internal (widget=0xa1c3b0, event=0x11b39f0) at /build/buildd/gtk+3.0-3.14.8/./gtk/gtkwidget.c:7773
  [Error: /build/buildd/gtk+3.0-3.14.8/./gtk/gtkwidget.c was not found in source tree]
#13 0x00007f1172333abe in propagate_event_up (topmost=<optimized out>, event=<optimized out>, widget=0xa1c3b0) at /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c:2424
  [Error: /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c was not found in source tree]
#14 propagate_event (widget=<optimized out>, event=0x11b39f0, captured=<optimized out>, topmost=0x0) at /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c:2526
  [Error: /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c was not found in source tree]
#15 0x00007f11723356ce in gtk_main_do_event (event=0x11b39f0) at /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c:1748
  [Error: /build/buildd/gtk+3.0-3.14.8/./gtk/gtkmain.c was not found in source tree]
#16 0x00007f1171ed2a22 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.14.8/./gdk/x11/gdkeventsource.c:364
  [Error: /build/buildd/gtk+3.0-3.14.8/./gdk/x11/gdkeventsource.c was not found in source tree]
#17 0x00007f1170a39c3d in g_main_dispatch (context=0x834cd0) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3122
  [Error: /build/buildd/glib2.0-2.43.91/./glib/gmain.c was not found in source tree]
#18 g_main_context_dispatch (context=context@entry=0x834cd0) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3737
  [Error: /build/buildd/glib2.0-2.43.91/./glib/gmain.c was not found in source tree]
#19 0x00007f1170a39f20 in g_main_context_iterate (context=context@entry=0x834cd0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3808
  [Error: /build/buildd/glib2.0-2.43.91/./glib/gmain.c was not found in source tree]
#20 0x00007f1170a39fcc in g_main_context_iteration (context=0x834cd0, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3869
  [Error: /build/buildd/glib2.0-2.43.91/./glib/gmain.c was not found in source tree]
#21 0x00007f1170ff9fac in g_application_run (application=0x83a100, argc=argc@entry=2, argv=argv@entry=0x7ffffbc51108) at /build/buildd/glib2.0-2.43.91/./gio/gapplication.c:2308
  [Error: /build/buildd/glib2.0-2.43.91/./gio/gapplication.c was not found in source tree]
#22 0x0000000000414d96 in main (argc=2, argv=0x7ffffbc51108) at main.c:38
  33: 	bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
  34: 	bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
  35: 	textdomain (GETTEXT_PACKAGE);
  36: 
  37: 	app = fr_application_new ();
  38: 	status = g_application_run (G_APPLICATION (app), argc, argv);
  39: 
  40: 	g_object_unref (app);
  41: 
  42: 	return status;
  43: }