Obtained 24 stack frames.
/usr/games/crawl-git-07c986e9b8(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5b93d7baac1e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-07c986e9b8(_Z20crash_signal_handleri+0x18f) [0x5b93d7bab08f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7597e5442910]: 
/usr/games/crawl-git-07c986e9b8(_Z13handle_hangupi+0) [0x5b93d7e71e30]: handle_hangup(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7597e5442910]: 
/lib/x86_64-linux-gnu/libc.so.6(wait4+0x15) [0x7597e550fbf5]: 
/usr/games/crawl-git-07c986e9b8(_Z8call_gdbP8_IO_FILE+0xec) [0x5b93d7bab2cc]: call_gdb(_IO_FILE*)
/usr/games/crawl-git-07c986e9b8(_Z13do_crash_dumpv+0x458) [0x5b93d7bb8e78]: do_crash_dump()
/usr/games/crawl-git-07c986e9b8(_Z20crash_signal_handleri+0x1fa) [0x5b93d7bab0fa]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7597e5442910]: 
/usr/games/crawl-git-07c986e9b8(_ZN4CLua8init_luaEv+0x28) [0x5b93d7b8e568]: CLua::init_lua()
/usr/games/crawl-git-07c986e9b8(_ZNK9lua_datum4pushEv+0x19) [0x5b93d7b91829]: lua_datum::push() const
/usr/games/crawl-git-07c986e9b8(_ZNK14map_lua_marker12push_fn_argsEPKc+0x23) [0x5b93d7ed5d53]: map_lua_marker::push_fn_args(char const*) const
/usr/games/crawl-git-07c986e9b8(_ZN14map_lua_marker16notify_dgn_eventERK9dgn_event+0x3e) [0x5b93d7ed5f5e]: map_lua_marker::notify_dgn_event(dgn_event const&)
/usr/games/crawl-git-07c986e9b8(_ZN20dgn_event_dispatcher10fire_eventERK9dgn_event+0xd6) [0x5b93d7c46fd6]: dgn_event_dispatcher::fire_event(dgn_event const&)
/usr/games/crawl-git-07c986e9b8(_ZN20dgn_event_dispatcher10fire_eventE14dgn_event_type+0x48) [0x5b93d7c47078]: dgn_event_dispatcher::fire_event(dgn_event_type)
/usr/games/crawl-git-07c986e9b8(_Z23run_environment_effectsv+0x2b) [0x5b93d82694eb]: run_environment_effects()
/usr/games/crawl-git-07c986e9b8(_Z12world_reactsv+0x111) [0x5b93d835c031]: world_reacts()
/usr/games/crawl-git-07c986e9b8(+0xc9a7ca) [0x5b93d835e7ca]: 
/usr/games/crawl-git-07c986e9b8(+0xc9b2f5) [0x5b93d835f2f5]: 
/usr/games/crawl-git-07c986e9b8(main+0x1f7) [0x5b93d7ade1a7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7597e54280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7597e5428189]: 
/usr/games/crawl-git-07c986e9b8(_start+0x25) [0x5b93d7adec95]: