Obtained 22 stack frames.
/usr/games/crawl-bcadren(_Z17write_stack_traceP8_IO_FILE+0x3b) [0x5569db42611b]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-bcadren(_Z20crash_signal_handleri+0x1e5) [0x5569db4265c5]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x3ef20) [0x7f25e5cd3f20]: 
/usr/games/crawl-bcadren(_Z12dgn_vault_at9coord_def+0x3e) [0x5569db4b7b1e]: dgn_vault_at(coord_def)
/usr/games/crawl-bcadren(_ZN15scorefile_entry4initEl+0x5fa) [0x5569db58e06a]: scorefile_entry::init(long)
/usr/games/crawl-bcadren(_ZN15scorefile_entryC2EijiPKcbS1_l+0x310) [0x5569db58e980]: scorefile_entry::scorefile_entry(int, unsigned int, int, char const*, bool, char const*, long)
/usr/games/crawl-bcadren(_Z14mark_milestoneRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_S6_l+0x274) [0x5569db58ed84]: mark_milestone(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, long)
/usr/games/crawl-bcadren(_Z13do_crash_dumpv+0x1f21) [0x5569db430b41]: do_crash_dump()
/usr/games/crawl-bcadren(_Z20crash_signal_handleri+0xae) [0x5569db42648e]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x3ef20) [0x7f25e5cd3f20]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xc7) [0x7f25e6098727]: 
/usr/games/crawl-bcadren(+0x38e70b) [0x5569db42e70b]: 
/usr/games/crawl-bcadren(+0x38eac5) [0x5569db42eac5]: 
/usr/games/crawl-bcadren(+0x432e33) [0x5569db4d2e33]: 
/usr/games/crawl-bcadren(_Z14generate_levelRK8level_id+0xf38) [0x5569db508ff8]: generate_level(level_id const&)
/usr/games/crawl-bcadren(_Z14pregen_dungeonRK8level_id+0x600) [0x5569db509f20]: pregen_dungeon(level_id const&)
/usr/games/crawl-bcadren(_Z10load_level20dungeon_feature_type14load_mode_typeRK8level_id+0x3f8) [0x5569db50a438]: load_level(dungeon_feature_type, load_mode_type, level_id const&)
/usr/games/crawl-bcadren(_Z12startup_stepv+0x162f) [0x5569db92237f]: startup_step()
/usr/games/crawl-bcadren(+0x9a20b9) [0x5569dba420b9]: 
/usr/games/crawl-bcadren(main+0x323) [0x5569db374dd3]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7) [0x7f25e5cb6b97]: 
/usr/games/crawl-bcadren(_start+0x2a) [0x5569db3754da]: