Obtained 27 stack frames.
/usr/games/crawl-git-7caecd69e6(_Z17write_stack_traceP8_IO_FILE+0x27) [0x560ba82a79a7]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-7caecd69e6(_Z20crash_signal_handleri+0x157) [0x560ba82a7d77]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x3bfd0) [0x7f4d5ec13fd0]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x8ad3c) [0x7f4d5ec62d3c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x12) [0x7f4d5ec13f32]: 
/usr/games/crawl-git-7caecd69e6(+0x47acc6) [0x560ba82b1cc6]: 
/usr/games/crawl-git-7caecd69e6(+0x47b3a4) [0x560ba82b23a4]: 
/usr/games/crawl-git-7caecd69e6(_Z20crash_signal_handleri+0x278) [0x560ba82a7e98]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x3bfd0) [0x7f4d5ec13fd0]: 
/usr/games/crawl-git-7caecd69e6(_ZN13random_pickerI10spell_typeLi449EE4pickERKSt6vectorI17random_pick_entryIS0_ESaIS4_EEiS0_+0x40) [0x560ba83c42d0]: random_picker<spell_type, 449>::pick(std::vector<random_pick_entry<spell_type>, std::allocator<random_pick_entry<spell_type> > > const&, int, spell_type)
/usr/games/crawl-git-7caecd69e6(_ZN11ghost_demon19pick_apostle_spellsE12apostle_typei+0xa0) [0x560ba83c2c10]: ghost_demon::pick_apostle_spells(apostle_type, int)
/usr/games/crawl-git-7caecd69e6(_ZN11ghost_demon16init_orc_apostleE12apostle_typei+0x112) [0x560ba83c31e2]: ghost_demon::init_orc_apostle(apostle_type, int)
/usr/games/crawl-git-7caecd69e6(_Z14define_monsterR7monsterb+0x53f) [0x560ba8690f2f]: define_monster(monster&, bool)
/usr/games/crawl-git-7caecd69e6(+0x82df37) [0x560ba8664f37]: 
/usr/games/crawl-git-7caecd69e6(_Z13place_monster9mgen_databb+0x26a) [0x560ba86677ca]: place_monster(mgen_data, bool, bool)
/usr/games/crawl-git-7caecd69e6(_Z10mons_place9mgen_data+0x1cb) [0x560ba86685bb]: mons_place(mgen_data)
/usr/games/crawl-git-7caecd69e6(_Z14create_monster9mgen_datab+0x297) [0x560ba8669697]: create_monster(mgen_data, bool)
/usr/games/crawl-git-7caecd69e6(_Z32maybe_generate_apostle_challengev+0x618) [0x560ba83ec2b8]: maybe_generate_apostle_challenge()
/usr/games/crawl-git-7caecd69e6(_Z15handle_god_timei+0x494) [0x560ba8780c84]: handle_god_time(int)
/usr/games/crawl-git-7caecd69e6(_Z11handle_timev+0xbf) [0x560ba88a5c4f]: handle_time()
/usr/games/crawl-git-7caecd69e6(_Z12world_reactsv+0x20d) [0x560ba897b44d]: world_reacts()
/usr/games/crawl-git-7caecd69e6(+0xb463fa) [0x560ba897d3fa]: 
/usr/games/crawl-git-7caecd69e6(+0xb471e5) [0x560ba897e1e5]: 
/usr/games/crawl-git-7caecd69e6(main+0x19f) [0x560ba81f35ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x271ca) [0x7f4d5ebff1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x85) [0x7f4d5ebff285]: 
/usr/games/crawl-git-7caecd69e6(_start+0x21) [0x560ba81f3ec1]: