Obtained 35 stack frames.
/usr/games/crawl-git-18991dcc64(_Z17write_stack_traceP8_IO_FILE+0x3f) [0x57572a8eac4f]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-18991dcc64(_Z20crash_signal_handleri+0x196) [0x57572a8eb0e6]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7578b831a330]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0x97) [0x7578b82fd8b7]: 
/usr/games/crawl-git-18991dcc64(+0x554282) [0x57572a8f8282]: 
/usr/games/crawl-git-18991dcc64(_Z12AssertFailedPKcS0_iS0_z+0x1c7) [0x57572a8f8787]: AssertFailed(char const*, char const*, int, char const*, ...)
/usr/games/crawl-git-18991dcc64(_ZNK12monster_info11common_nameB5cxx11E22description_level_type+0x1424) [0x57572ad06124]: monster_info::common_name[abi:cxx11](description_level_type) const
/usr/games/crawl-git-18991dcc64(_ZNK12monster_info9full_nameB5cxx11E22description_level_type+0x192) [0x57572ad06442]: monster_info::full_name[abi:cxx11](description_level_type) const
/usr/games/crawl-git-18991dcc64(_ZNK7monster9full_nameB5cxx11E22description_level_type+0xcb) [0x57572ad73f3b]: monster::full_name[abi:cxx11](description_level_type) const
/usr/games/crawl-git-18991dcc64(_Z13debug_mon_strB5cxx11PK7monster+0x95) [0x57572a8ffd55]: debug_mon_str[abi:cxx11](monster const*)
/usr/games/crawl-git-18991dcc64(_ZN10game_state4dumpEv+0x3f7) [0x57572af5eb77]: game_state::dump()
/usr/games/crawl-git-18991dcc64(_Z13do_crash_dumpv+0xb3f) [0x57572a8f95af]: do_crash_dump()
/usr/games/crawl-git-18991dcc64(_Z20crash_signal_handleri+0x1fa) [0x57572a8eb14a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7578b831a330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7578b8373b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7578b831a27e]: 
/usr/games/crawl-git-18991dcc64(+0x55427d) [0x57572a8f827d]: 
/usr/games/crawl-git-18991dcc64(_Z12AssertFailedPKcS0_iS0_z+0x1c7) [0x57572a8f8787]: AssertFailed(char const*, char const*, int, char const*, ...)
/usr/games/crawl-git-18991dcc64(_ZNK12monster_info11common_nameB5cxx11E22description_level_type+0x1424) [0x57572ad06124]: monster_info::common_name[abi:cxx11](description_level_type) const
/usr/games/crawl-git-18991dcc64(_ZNK12monster_info11proper_nameB5cxx11E22description_level_type+0x48) [0x57572ad06238]: monster_info::proper_name[abi:cxx11](description_level_type) const
/usr/games/crawl-git-18991dcc64(_ZNK7monster4nameB5cxx11E22description_level_typebb+0xea) [0x57572ad73baa]: monster::name[abi:cxx11](description_level_type, bool, bool) const
/usr/games/crawl-git-18991dcc64(_Z22simple_monster_messageRK7monsterPKcb16msg_channel_typei22description_level_type+0x82) [0x57572ac69db2]: simple_monster_message(monster const&, char const*, bool, msg_channel_type, int, description_level_type)
/usr/games/crawl-git-18991dcc64(+0x926132) [0x57572acca132]: 
/usr/games/crawl-git-18991dcc64(_Z11monster_dieR7monster11killer_typeibbb+0x2328) [0x57572acd6928]: monster_die(monster&, killer_type, int, bool, bool, bool)
/usr/games/crawl-git-18991dcc64(_ZN12melee_attack19handle_phase_killedEv+0x7f) [0x57572ac463df]: melee_attack::handle_phase_killed()
/usr/games/crawl-git-18991dcc64(_ZN12melee_attack6attackEv+0xb80) [0x57572ac48a70]: melee_attack::attack()
/usr/games/crawl-git-18991dcc64(_ZN12melee_attack17launch_attack_setEb+0x35) [0x57572ac4aca5]: melee_attack::launch_attack_set(bool)
/usr/games/crawl-git-18991dcc64(_Z12player_fightP7monsterbPbb+0x206) [0x57572a9f7576]: player_fight(monster*, bool, bool*, bool)
/usr/games/crawl-git-18991dcc64(_Z18move_player_action9coord_def+0x98d) [0x57572ad81ebd]: move_player_action(coord_def)
/usr/games/crawl-git-18991dcc64(+0xd3216a) [0x57572b0d616a]: 
/usr/games/crawl-git-18991dcc64(+0xd32b9d) [0x57572b0d6b9d]: 
/usr/games/crawl-git-18991dcc64(main+0x1f7) [0x57572a81c4e7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7578b82ff1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7578b82ff28b]: 
/usr/games/crawl-git-18991dcc64(_start+0x25) [0x57572a81cfd5]: