Obtained 24 stack frames.
/usr/games/crawl-git-cc2d607902(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x6093d9c91c2e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-cc2d607902(_Z20crash_signal_handleri+0x18f) [0x6093d9c9209f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x72bd93642910]: 
/usr/games/crawl-git-cc2d607902(_Z13handle_hangupi+0) [0x6093d9f58630]: handle_hangup(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x72bd93642910]: 
/lib/x86_64-linux-gnu/libc.so.6(wait4+0x15) [0x72bd9370fbf5]: 
/usr/games/crawl-git-cc2d607902(_Z8call_gdbP8_IO_FILE+0xec) [0x6093d9c922dc]: call_gdb(_IO_FILE*)
/usr/games/crawl-git-cc2d607902(_Z13do_crash_dumpv+0x458) [0x6093d9c9fe88]: do_crash_dump()
/usr/games/crawl-git-cc2d607902(_Z20crash_signal_handleri+0x1fa) [0x6093d9c9210a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x72bd93642910]: 
/usr/games/crawl-git-cc2d607902(_ZN4CLua8init_luaEv+0x28) [0x6093d9c75578]: CLua::init_lua()
/usr/games/crawl-git-cc2d607902(_ZNK9lua_datum4pushEv+0x19) [0x6093d9c78839]: lua_datum::push() const
/usr/games/crawl-git-cc2d607902(_ZNK14map_lua_marker12push_fn_argsEPKc+0x23) [0x6093d9fbc583]: map_lua_marker::push_fn_args(char const*) const
/usr/games/crawl-git-cc2d607902(_ZN14map_lua_marker16notify_dgn_eventERK9dgn_event+0x3e) [0x6093d9fbc78e]: map_lua_marker::notify_dgn_event(dgn_event const&)
/usr/games/crawl-git-cc2d607902(_ZN20dgn_event_dispatcher10fire_eventERK9dgn_event+0xd6) [0x6093d9d2e096]: dgn_event_dispatcher::fire_event(dgn_event const&)
/usr/games/crawl-git-cc2d607902(_ZN20dgn_event_dispatcher10fire_eventE14dgn_event_type+0x48) [0x6093d9d2e138]: dgn_event_dispatcher::fire_event(dgn_event_type)
/usr/games/crawl-git-cc2d607902(_Z23run_environment_effectsv+0x2b) [0x6093da3517ab]: run_environment_effects()
/usr/games/crawl-git-cc2d607902(_Z12world_reactsv+0x111) [0x6093da444511]: world_reacts()
/usr/games/crawl-git-cc2d607902(+0xc9ccba) [0x6093da446cba]: 
/usr/games/crawl-git-cc2d607902(+0xc9d7f5) [0x6093da4477f5]: 
/usr/games/crawl-git-cc2d607902(main+0x1f7) [0x6093d9bc5077]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x72bd936280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x72bd93628189]: 
/usr/games/crawl-git-cc2d607902(_start+0x25) [0x6093d9bc5b65]: