Obtained 50 stack frames.
/usr/games/crawl-vaulted(_Z17write_stack_traceP8_IO_FILEi+0x2d) [0xafd61c]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-vaulted(_Z20crash_signal_handleri+0x23a) [0xafd3df]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f41304d04c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f4130866b7b]: 
/usr/games/crawl-vaulted() [0xb07ede]
/usr/games/crawl-vaulted(_Z10die_nolinePKcz+0x13e) [0xb08377]: die_noline(char const*, ...)
/usr/games/crawl-vaulted(_Z20crash_signal_handleri+0x2bc) [0xafd461]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7f41304d04c0]: 
/usr/lib/x86_64-linux-gnu/libstdc++.so.6(_ZNKSs4findEPKcmm+0x74) [0x7f413103da44]
/usr/games/crawl-vaulted(_Z12split_stringRKSsSsbbi+0xcf) [0x1184d9a]: split_string(std::string const&, std::string, bool, bool, int)
/usr/games/crawl-vaulted(_ZNK7map_def7has_tagERKSs+0xba) [0xe3b460]: map_def::has_tag(std::string const&) const
/usr/games/crawl-vaulted(_ZNK12map_selector6acceptERK7map_def+0x43b) [0xe72f95]: map_selector::accept(map_def const&) const
/usr/games/crawl-vaulted() [0xe73335]
/usr/games/crawl-vaulted() [0xe73d01]
/usr/games/crawl-vaulted(_Z18random_map_for_tagRKSsbb10maybe_bool+0x53) [0xe73f1e]: random_map_for_tag(std::string const&, bool, bool, maybe_bool)
/usr/games/crawl-vaulted(_ZN7map_def14apply_subvaultER11string_spec+0x21c) [0xe3c390]: map_def::apply_subvault(string_spec&)
/usr/games/crawl-vaulted(_ZN7map_def23subvault_from_tagstringERKSs+0x278) [0xe3bb1a]: map_def::subvault_from_tagstring(std::string const&)
/usr/games/crawl-vaulted() [0xdbe164]
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc23c) [0x7f4131ddf23c]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc604) [0x7f4131ddf604]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xb8d7) [0x7f4131dde8d7]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc802) [0x7f4131ddf802]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pcall+0x51) [0x7f4131ddb361]: 
/usr/games/crawl-vaulted() [0xdb827c]
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc23c) [0x7f4131ddf23c]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x16c7b) [0x7f4131de9c7b]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc64d) [0x7f4131ddf64d]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xb8d7) [0x7f4131dde8d7]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc802) [0x7f4131ddf802]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pcall+0x51) [0x7f4131ddb361]: 
/usr/games/crawl-vaulted(_ZN4CLua6callfnEPKcii+0x11c) [0xae0c62]: CLua::callfn(char const*, int, int)
/usr/games/crawl-vaulted(_ZN7map_def7run_luaEb+0x237) [0xe378a3]: map_def::run_lua(bool)
/usr/games/crawl-vaulted() [0xe7002d]
/usr/games/crawl-vaulted() [0xe70187]
/usr/games/crawl-vaulted() [0xe6ff20]
/usr/games/crawl-vaulted(_Z10vault_mainR15vault_placementPK7map_defb+0x43) [0xe6fea1]: vault_main(vault_placement&, map_def const*, bool)
/usr/games/crawl-vaulted() [0xbe99d1]
/usr/games/crawl-vaulted() [0xbe9837]
/usr/games/crawl-vaulted() [0xbea4f8]
/usr/games/crawl-vaulted() [0xbe9f81]
/usr/games/crawl-vaulted() [0xbe987d]
/usr/games/crawl-vaulted() [0xbe60ec]
/usr/games/crawl-vaulted() [0xbe4cd0]
/usr/games/crawl-vaulted() [0xbe39f9]
/usr/games/crawl-vaulted() [0xbddb8a]
/usr/games/crawl-vaulted(_Z7builderb20dungeon_feature_type+0x1f8) [0xbdd851]: builder(bool, dungeon_feature_type)
/usr/games/crawl-vaulted() [0xc4564d]
/usr/games/crawl-vaulted(_Z10load_level20dungeon_feature_type14load_mode_typeRK8level_id+0x245) [0xc45dee]: load_level(dungeon_feature_type, load_mode_type, level_id const&)
/usr/games/crawl-vaulted(_Z21wizard_recreate_levelv+0x1c3) [0x120eeb0]: wizard_recreate_level()
/usr/games/crawl-vaulted() [0x13041f9]