#0  0x00007fb95fe7d8f0 in g_object_unref (_object=0x324f760) at /build/buildd/glib2.0-2.41.1/./gobject/gobject.c:3092
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gobject.c was not found in source tree]
#1  0x00007fb960b86f81 in rb_browser_source_dispose (object=0x21d83d0) at rb-browser-source.c:211
  [Error: rb-browser-source.c was not found in source tree]
#2  0x00007fb95fe7f838 in g_object_run_dispose (object=0x21d83d0) at /build/buildd/glib2.0-2.41.1/./gobject/gobject.c:1076
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gobject.c was not found in source tree]
#3  0x00007fb96028f1a6 in gtk_notebook_forall (container=<optimized out>, include_internals=0, callback=0x7fb9603942f0 <gtk_widget_destroy>, callback_data=0x0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtknotebook.c:4562
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtknotebook.c was not found in source tree]
#4  0x00007fb9601cb550 in gtk_container_destroy (widget=0x1fcd430) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkcontainer.c:1412
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkcontainer.c was not found in source tree]
#5  0x00007fb95fe790b2 in g_closure_invoke (closure=0x1d93560, return_value=0x0, n_param_values=1, param_values=0x7fffab5436f0, invocation_hint=0x7fffab543690) at /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c:768
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c was not found in source tree]
#6  0x00007fb95fe8a994 in signal_emit_unlocked_R (node=node@entry=0x1d93590, detail=detail@entry=0, instance=instance@entry=0x1fcd430, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffab5436f0) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3671
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#7  0x00007fb95fe922e9 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffab543878) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3311
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#8  0x00007fb95fe925a2 in g_signal_emit (instance=instance@entry=0x1fcd430, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3367
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#9  0x00007fb9603a0ff8 in gtk_widget_dispose (object=0x1fcd430) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c:11357
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c was not found in source tree]
#10 0x00007fb95fe7f838 in g_object_run_dispose (object=0x1fcd430) at /build/buildd/glib2.0-2.41.1/./gobject/gobject.c:1076
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gobject.c was not found in source tree]
#11 0x00007fb9601865c7 in gtk_box_forall (container=<optimized out>, include_internals=<optimized out>, callback=0x7fb9603942f0 <gtk_widget_destroy>, callback_data=0x0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkbox.c:2541
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkbox.c was not found in source tree]
#12 0x00007fb9601cb550 in gtk_container_destroy (widget=0x21c63a0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkcontainer.c:1412
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkcontainer.c was not found in source tree]
#13 0x00007fb95fe790b2 in g_closure_invoke (closure=0x1d93560, return_value=0x0, n_param_values=1, param_values=0x7fffab543b60, invocation_hint=0x7fffab543b00) at /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c:768
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c was not found in source tree]
#14 0x00007fb95fe8a994 in signal_emit_unlocked_R (node=node@entry=0x1d93590, detail=detail@entry=0, instance=instance@entry=0x21c63a0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffab543b60) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3671
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#15 0x00007fb95fe922e9 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffab543ce8) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3311
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#16 0x00007fb95fe925a2 in g_signal_emit (instance=instance@entry=0x21c63a0, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3367
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#17 0x00007fb9603a0ff8 in gtk_widget_dispose (object=0x21c63a0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c:11357
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c was not found in source tree]
#18 0x00007fb95fe7f838 in g_object_run_dispose (object=0x21c63a0) at /build/buildd/glib2.0-2.41.1/./gobject/gobject.c:1076
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gobject.c was not found in source tree]
#19 0x00007fb9602a1ee1 in gtk_paned_forall (container=<optimized out>, include_internals=<optimized out>, callback=0x7fb9603942f0 <gtk_widget_destroy>, callback_data=0x0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkpaned.c:2062
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkpaned.c was not found in source tree]
#20 0x00007fb9601cb550 in gtk_container_destroy (widget=0x7fb94000d890) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkcontainer.c:1412
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkcontainer.c was not found in source tree]
#21 0x00007fb95fe790b2 in g_closure_invoke (closure=0x1d93560, return_value=0x0, n_param_values=1, param_values=0x7fffab543fc0, invocation_hint=0x7fffab543f60) at /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c:768
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c was not found in source tree]
#22 0x00007fb95fe8a994 in signal_emit_unlocked_R (node=node@entry=0x1d93590, detail=detail@entry=0, instance=instance@entry=0x7fb94000d890, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffab543fc0) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3671
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#23 0x00007fb95fe922e9 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffab544148) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3311
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#24 0x00007fb95fe925a2 in g_signal_emit (instance=instance@entry=0x7fb94000d890, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3367
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#25 0x00007fb9603a0ff8 in gtk_widget_dispose (object=0x7fb94000d890) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c:11357
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c was not found in source tree]
#26 0x00007fb95fe7f838 in g_object_run_dispose (object=0x7fb94000d890) at /build/buildd/glib2.0-2.41.1/./gobject/gobject.c:1076
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gobject.c was not found in source tree]
#27 0x00007fb9601cb550 in gtk_container_destroy (widget=0x7fb94000d210) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkcontainer.c:1412
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkcontainer.c was not found in source tree]
#28 0x00007fb95fe790b2 in g_closure_invoke (closure=0x1d93560, return_value=0x0, n_param_values=1, param_values=0x7fffab544400, invocation_hint=0x7fffab5443a0) at /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c:768
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c was not found in source tree]
#29 0x00007fb95fe8a994 in signal_emit_unlocked_R (node=node@entry=0x1d93590, detail=detail@entry=0, instance=instance@entry=0x7fb94000d210, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffab544400) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3671
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#30 0x00007fb95fe922e9 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffab544588) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3311
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#31 0x00007fb95fe925a2 in g_signal_emit (instance=instance@entry=0x7fb94000d210, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3367
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#32 0x00007fb9603a0ff8 in gtk_widget_dispose (object=0x7fb94000d210) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c:11357
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c was not found in source tree]
#33 0x00007fb95fe7f838 in g_object_run_dispose (object=0x7fb94000d210) at /build/buildd/glib2.0-2.41.1/./gobject/gobject.c:1076
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gobject.c was not found in source tree]
#34 0x00007fb9601865c7 in gtk_box_forall (container=<optimized out>, include_internals=<optimized out>, callback=0x7fb9603942f0 <gtk_widget_destroy>, callback_data=0x0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkbox.c:2541
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkbox.c was not found in source tree]
#35 0x00007fb9601cb550 in gtk_container_destroy (widget=0x21c64d0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkcontainer.c:1412
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkcontainer.c was not found in source tree]
#36 0x00007fb95fe790b2 in g_closure_invoke (closure=0x1d93560, return_value=0x0, n_param_values=1, param_values=0x7fffab544870, invocation_hint=0x7fffab544810) at /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c:768
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c was not found in source tree]
#37 0x00007fb95fe8a994 in signal_emit_unlocked_R (node=node@entry=0x1d93590, detail=detail@entry=0, instance=instance@entry=0x21c64d0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffab544870) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3671
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#38 0x00007fb95fe922e9 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffab5449f8) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3311
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#39 0x00007fb95fe925a2 in g_signal_emit (instance=instance@entry=0x21c64d0, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3367
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#40 0x00007fb9603a0ff8 in gtk_widget_dispose (object=0x21c64d0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c:11357
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c was not found in source tree]
#41 0x00007fb95fe7f838 in g_object_run_dispose (object=0x21c64d0) at /build/buildd/glib2.0-2.41.1/./gobject/gobject.c:1076
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gobject.c was not found in source tree]
#42 0x00007fb9603a8a89 in gtk_window_forall (container=0x1fbe3a0, include_internals=0, callback=0x7fb9603942f0 <gtk_widget_destroy>, callback_data=0x0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwindow.c:8134
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwindow.c was not found in source tree]
#43 0x00007fb9601cb550 in gtk_container_destroy (widget=0x1fbe3a0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkcontainer.c:1412
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkcontainer.c was not found in source tree]
#44 0x00007fb95fe79138 in g_closure_invoke (closure=0x1d93560, return_value=0x0, n_param_values=1, param_values=0x7fffab544cf0, invocation_hint=0x7fffab544c90) at /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c:768
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c was not found in source tree]
#45 0x00007fb95fe8a994 in signal_emit_unlocked_R (node=node@entry=0x1d93590, detail=detail@entry=0, instance=instance@entry=0x1fbe3a0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffab544cf0) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3671
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#46 0x00007fb95fe922e9 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffab544e78) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3311
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#47 0x00007fb95fe925a2 in g_signal_emit (instance=instance@entry=0x1fbe3a0, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3367
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#48 0x00007fb9603a0ff8 in gtk_widget_dispose (object=0x1fbe3a0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c:11357
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c was not found in source tree]
#49 0x00007fb9603adedb in gtk_window_dispose (object=0x1fbe3a0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwindow.c:2684
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwindow.c was not found in source tree]
#50 0x00007fb96017a735 in gtk_application_window_dispose (object=0x1fbe3a0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkapplicationwindow.c:774
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkapplicationwindow.c was not found in source tree]
#51 0x00007fb95fe7f838 in g_object_run_dispose (object=0x1fbe3a0) at /build/buildd/glib2.0-2.41.1/./gobject/gobject.c:1076
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gobject.c was not found in source tree]
#52 0x00007fb960394351 in gtk_widget_destroy (widget=<optimized out>) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c:4333
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c was not found in source tree]
#53 0x00007fb960b6d19b in rb_shell_quit (shell=shell@entry=0x1db0260, error=error@entry=0x0) at rb-shell.c:2513
  [Error: rb-shell.c was not found in source tree]
#54 0x00007fb960b6d252 in rb_shell_window_delete_cb (win=<optimized out>, event=<optimized out>, shell=0x1db0260) at rb-shell.c:1978
  [Error: rb-shell.c was not found in source tree]
#55 0x00007fb96026752e in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x1f42ca0, return_value=0x7fffab545110, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x1d96ba0) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkmarshalers.c:130
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkmarshalers.c was not found in source tree]
#56 0x00007fb95fe79367 in _g_closure_invoke_va (closure=0x1f42ca0, return_value=0x7fffab545110, instance=0x1fbe3a0, args=0x7fffab545218, n_params=1, param_types=0x1d96ba0) at /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c:831
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gclosure.c was not found in source tree]
#57 0x00007fb95fe91948 in g_signal_emit_valist (instance=0x1fbe3a0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffab545218) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3219
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#58 0x00007fb95fe925a2 in g_signal_emit (instance=instance@entry=0x1fbe3a0, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c:3367
  [Error: /build/buildd/glib2.0-2.41.1/./gobject/gsignal.c was not found in source tree]
#59 0x00007fb960395c84 in gtk_widget_event_internal (widget=widget@entry=0x1fbe3a0, event=event@entry=0x7fb900014040) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c:7229
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c was not found in source tree]
#60 0x00007fb960395f69 in gtk_widget_event (widget=widget@entry=0x1fbe3a0, event=event@entry=0x7fb900014040) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c:6891
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkwidget.c was not found in source tree]
#61 0x00007fb960266a70 in gtk_main_do_event (event=0x7fb900014040) at /build/buildd/gtk+3.0-3.12.2/./gtk/gtkmain.c:1617
  [Error: /build/buildd/gtk+3.0-3.12.2/./gtk/gtkmain.c was not found in source tree]
#62 0x00007fb95c57bb12 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.12.2/./gdk/x11/gdkeventsource.c:364
  [Error: /build/buildd/gtk+3.0-3.12.2/./gdk/x11/gdkeventsource.c was not found in source tree]
#63 0x00007fb95fba8de4 in g_main_dispatch (context=0x1badf10) at /build/buildd/glib2.0-2.41.1/./glib/gmain.c:3064
  [Error: /build/buildd/glib2.0-2.41.1/./glib/gmain.c was not found in source tree]
#64 g_main_context_dispatch (context=context@entry=0x1badf10) at /build/buildd/glib2.0-2.41.1/./glib/gmain.c:3663
  [Error: /build/buildd/glib2.0-2.41.1/./glib/gmain.c was not found in source tree]
#65 0x00007fb95fba9028 in g_main_context_iterate (context=context@entry=0x1badf10, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.41.1/./glib/gmain.c:3734
  [Error: /build/buildd/glib2.0-2.41.1/./glib/gmain.c was not found in source tree]
#66 0x00007fb95fba90cc in g_main_context_iteration (context=0x1badf10, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.41.1/./glib/gmain.c:3795
  [Error: /build/buildd/glib2.0-2.41.1/./glib/gmain.c was not found in source tree]
#67 0x00007fb95aac9a4c in g_application_run (application=0x1bb6140, argc=argc@entry=1, argv=argv@entry=0x7fffab5457f8) at /build/buildd/glib2.0-2.41.1/./gio/gapplication.c:2115
  [Error: /build/buildd/glib2.0-2.41.1/./gio/gapplication.c was not found in source tree]
#68 0x00007fb960b5e842 in rb_application_run (app=0x1bb6140, argc=argc@entry=1, argv=argv@entry=0x7fffab5457f8) at rb-application.c:659
  [Error: rb-application.c was not found in source tree]
#69 0x0000000000400d3a in main (argc=1, argv=0x7fffab5457f8) at main.c:89
  [Error: main.c was not found in source tree]