g_assertion_message (domain=domain@entry=0x7f71d012054e "GLib", file=file@entry=0x7f71d0171700 "/build/buildd/glib2.0-2.33.6/./glib/gvarianttypeinfo.c", line=line@entry=186, func=func@entry=0x7f71d0171a10 "g_variant_type_info_check", message=<optimized out>) at /build/buildd/glib2.0-2.33.6/./glib/gtestutils.c:1861
g_assertion_message_expr (domain=domain@entry=0x7f71d012054e "GLib", file=file@entry=0x7f71d0171700 "/build/buildd/glib2.0-2.33.6/./glib/gvarianttypeinfo.c", line=line@entry=186, func=func@entry=0x7f71d0171a10 "g_variant_type_info_check", expr=expr@entry=0x7f71d01716c9 "0 <= index && index < 24") at /build/buildd/glib2.0-2.33.6/./glib/gtestutils.c:1872
g_variant_type_info_check (info=info@entry=0x39f5210, container_class=container_class@entry=0 '\000') at /build/buildd/glib2.0-2.33.6/./glib/gvarianttypeinfo.c:186
g_variant_type_info_get_type_string (info=0x39f5210) at /build/buildd/glib2.0-2.33.6/./glib/gvarianttypeinfo.c:200
gvs_variant_needed_size (gvs_filler=0x7f71d0114fd0 <g_variant_fill_gvs>, type_info=<optimized out>, children=<optimized out>, n_children=<optimized out>) at /build/buildd/glib2.0-2.33.6/./glib/gvariant-serialiser.c:1203