Obtained 29 stack frames.
/usr/games/crawl-git-d98901741d(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5f6173]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-d98901741d() [0x5f64e4]
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f68f09cd4f0]: 
/usr/games/crawl-git-d98901741d(_Z23raw_feature_descriptionRK9coord_def+0x4b) [0x64d30b]: raw_feature_description(coord_def const&)
/usr/games/crawl-git-d98901741d(_Z13do_crash_dumpv+0xb41) [0x5fd0d1]: do_crash_dump()
/usr/games/crawl-git-d98901741d() [0x5f63e4]
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f68f09cd4f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f68f0d33efb]: 
/usr/games/crawl-git-d98901741d() [0x5fc134]
/usr/games/crawl-git-d98901741d() [0x5fc39a]
/usr/games/crawl-git-d98901741d() [0x974c05]
/usr/games/crawl-git-d98901741d(_ZNK6player5skillE10skill_typeib+0x7f) [0x92cf7f]: player::skill(skill_type, int, bool) const
/usr/games/crawl-git-d98901741d(_Z10best_skill10skill_typeS_S_+0x64) [0x9746b4]: best_skill(skill_type, skill_type, skill_type)
/usr/games/crawl-git-d98901741d(_Z12player_titlev+0x19) [0x97f369]: player_title()
/usr/games/crawl-git-d98901741d(_ZN14TilesFramework12_send_playerEb+0x15a) [0xa96e0a]: TilesFramework::_send_player(bool)
/usr/games/crawl-git-d98901741d(_ZN14TilesFramework6redrawEv+0x4b) [0xa996cb]: TilesFramework::redraw()
/usr/games/crawl-git-d98901741d(_ZN14TilesFramework17update_input_modeE10mouse_mode+0x13) [0xa99743]: TilesFramework::update_input_mode(mouse_mode)
/usr/games/crawl-git-d98901741d() [0x82110c]
/usr/games/crawl-git-d98901741d(_Z4moreb+0x383) [0x8262f3]: more(bool)
/usr/games/crawl-git-d98901741d(_Z21check_selected_skillsv+0x155) [0x972735]: check_selected_skills()
/usr/games/crawl-git-d98901741d(_Z8tag_readR6reader8tag_type+0x25c) [0xa02b7c]: tag_read(reader&, tag_type)
/usr/games/crawl-git-d98901741d() [0x6a4582]
/usr/games/crawl-git-d98901741d() [0x6a93eb]
/usr/games/crawl-git-d98901741d(_Z12restore_gameRKSs+0xa) [0x6a9b8a]: restore_game(std::string const&)
/usr/games/crawl-git-d98901741d(_Z12startup_stepv+0xd03) [0x9d6bb3]: startup_step()
/usr/games/crawl-git-d98901741d() [0x7beba4]
/usr/games/crawl-git-d98901741d(main+0x2f9) [0x4fc349]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f68f09b9ead]: 
/usr/games/crawl-git-d98901741d() [0x56e4fd]