Obtained 40 stack frames.
/usr/games/crawl-git-242ae62b95(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5ef7e3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-242ae62b95() [0x5efb54]
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f7b78c194f0]: 
/lib/x86_64-linux-gnu/libc.so.6(sigprocmask+0x10) [0x7f7b78c19730]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd4) [0x7f7b78c1c644]: 
/usr/games/crawl-git-242ae62b95() [0x5f56a9]
/usr/games/crawl-git-242ae62b95() [0x5f590a]
/usr/games/crawl-git-242ae62b95(_Z11exper_valuePK7monsterb+0x3f3) [0x8ae883]: exper_value(monster const*, bool)
/usr/games/crawl-git-242ae62b95(_Z17mons_threat_levelPK7monsterb+0x45) [0x8b1745]: mons_threat_level(monster const*, bool)
/usr/games/crawl-git-242ae62b95(_ZN12monster_infoC2EPK7monsteri+0x1d4) [0x876604]: monster_info::monster_info(monster const*, int)
/usr/games/crawl-git-242ae62b95(_ZNK7monster9full_nameE22description_level_typeb+0x51) [0x8cbf51]: monster::full_name(description_level_type, bool) const
/usr/games/crawl-git-242ae62b95(_Z13debug_mon_strPK7monster+0x50) [0x5fbf20]: debug_mon_str(monster const*)
/usr/games/crawl-git-242ae62b95(_ZN10game_state4dumpEv+0x431) [0x9dc341]: game_state::dump()
/usr/games/crawl-git-242ae62b95(_Z13do_crash_dumpv+0x8c1) [0x5f63c1]: do_crash_dump()
/usr/games/crawl-git-242ae62b95() [0x5efa54]
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f7b78c194f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f7b78f7fefb]: 
/usr/games/crawl-git-242ae62b95() [0x5f56a4]
/usr/games/crawl-git-242ae62b95() [0x5f590a]
/usr/games/crawl-git-242ae62b95(_Z11exper_valuePK7monsterb+0x3f3) [0x8ae883]: exper_value(monster const*, bool)
/usr/games/crawl-git-242ae62b95(_Z17mons_threat_levelPK7monsterb+0x45) [0x8b1745]: mons_threat_level(monster const*, bool)
/usr/games/crawl-git-242ae62b95(_ZN12monster_infoC2EPK7monsteri+0x1d4) [0x876604]: monster_info::monster_info(monster const*, int)
/usr/games/crawl-git-242ae62b95(_ZNK7monster4nameE22description_level_typeb+0x4f) [0x8cc52f]: monster::name(description_level_type, bool) const
/usr/games/crawl-git-242ae62b95() [0x62f2ff]
/usr/games/crawl-git-242ae62b95(_Z24remove_unique_annotationP7monster+0x3c) [0x6309ac]: remove_unique_annotation(monster*)
/usr/games/crawl-git-242ae62b95(_Z11monster_dieP7monster11killer_typeibbb+0x298) [0x89f4b8]: monster_die(monster*, killer_type, int, bool, bool, bool)
/usr/games/crawl-git-242ae62b95(_ZN7monster25remove_enchantment_effectERK11mon_enchantb+0x6b0) [0x868890]: monster::remove_enchantment_effect(mon_enchant const&, bool)
/usr/games/crawl-git-242ae62b95(_ZN7monster8del_enchE12enchant_typebb+0xdc) [0x86996c]: monster::del_ench(enchant_type, bool, bool)
/usr/games/crawl-git-242ae62b95(_ZN7monster16lose_ench_levelsERK11mon_enchanti+0x66) [0x869b46]: monster::lose_ench_levels(mon_enchant const&, int)
/usr/games/crawl-git-242ae62b95(_ZN7monster20timeout_enchantmentsEi+0x16e) [0x869cbe]: monster::timeout_enchantments(int)
/usr/games/crawl-git-242ae62b95(_Z12update_leveli+0x23a) [0x67e95a]: update_level(int)
/usr/games/crawl-git-242ae62b95(_Z10load_level20dungeon_feature_type14load_mode_typeRK8level_id+0xf42) [0x69fae2]: load_level(dungeon_feature_type, load_mode_type, level_id const&)
/usr/games/crawl-git-242ae62b95(_Z11down_stairs20dungeon_feature_type+0x5b8) [0x9c8048]: down_stairs(dungeon_feature_type)
/usr/games/crawl-git-242ae62b95() [0x60a3b7]
/usr/games/crawl-git-242ae62b95(_Z12handle_delayv+0x72c) [0x60cbbc]: handle_delay()
/usr/games/crawl-git-242ae62b95() [0x7b532a]
/usr/games/crawl-git-242ae62b95() [0x7b5c2d]
/usr/games/crawl-git-242ae62b95(main+0x2f9) [0x4fad09]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f7b78c05ead]: 
/usr/games/crawl-git-242ae62b95() [0x5698bd]