StacktraceTop: gtk_widget_verify_invariants (widget=0x998e1d0) at /build/buildd/gtk+3.0-3.1.18/./gtk/gtkwidget.c:8862 gtk_bin_forall (container=0x90d4700, include_internals=1, callback=0xc5c990 <gtk_widget_verify_child_invariants>, callback_data=0x0) at /build/buildd/gtk+3.0-3.1.18/./gtk/gtkbin.c:172 gtk_container_forall (container=0x90d4700, callback=0xc5c990 <gtk_widget_verify_child_invariants>, callback_data=0x0) at /build/buildd/gtk+3.0-3.1.18/./gtk/gtkcontainer.c:2032 gtk_widget_pop_verify_invariants (widget=0x90d4700) at /build/buildd/gtk+3.0-3.1.18/./gtk/gtkwidget.c:9027 gtk_widget_pop_verify_invariants (widget=0x90d4700) at /build/buildd/gtk+3.0-3.1.18/./gtk/gtkwidget.c:9007
StacktraceTop: verify_ invariants (widget=0x998e1d0) at /build/ buildd/ gtk+3.0- 3.1.18/ ./gtk/gtkwidget .c:8862 0x90d4700, include_ internals= 1, callback=0xc5c990 <gtk_widget_ verify_ child_invariant s>, callback_data=0x0) at /build/ buildd/ gtk+3.0- 3.1.18/ ./gtk/gtkbin. c:172 forall (container= 0x90d4700, callback=0xc5c990 <gtk_widget_ verify_ child_invariant s>, callback_data=0x0) at /build/ buildd/ gtk+3.0- 3.1.18/ ./gtk/gtkcontai ner.c:2032 pop_verify_ invariants (widget=0x90d4700) at /build/ buildd/ gtk+3.0- 3.1.18/ ./gtk/gtkwidget .c:9027 pop_verify_ invariants (widget=0x90d4700) at /build/ buildd/ gtk+3.0- 3.1.18/ ./gtk/gtkwidget .c:9007
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