Obtained 20 stack frames.
/usr/games/crawl-git-ad6c6b887a(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x605543]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-ad6c6b887a(_Z20crash_signal_handleri+0x174) [0x6058b4]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f6cefda94f0]: 
/usr/games/crawl-git-ad6c6b887a(_Z23raw_feature_descriptionRK9coord_def+0x64) [0x661b74]: raw_feature_description(coord_def const&)
/usr/games/crawl-git-ad6c6b887a(_Z13do_crash_dumpv+0xd0a) [0x60ce9a]: do_crash_dump()
/usr/games/crawl-git-ad6c6b887a(_Z20crash_signal_handleri+0x74) [0x6057b4]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f6cefda94f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f6cf010fefb]: 
/usr/games/crawl-git-ad6c6b887a() [0x60bd04]
/usr/games/crawl-git-ad6c6b887a() [0x60c079]
/usr/games/crawl-git-ad6c6b887a() [0xa24440]
/usr/games/crawl-git-ad6c6b887a(_Z8tag_readR6reader8tag_type+0x1046) [0xa2d976]: tag_read(reader&, tag_type)
/usr/games/crawl-git-ad6c6b887a() [0x6b7fe2]
/usr/games/crawl-git-ad6c6b887a() [0x6b9895]
/usr/games/crawl-git-ad6c6b887a(_Z12restore_gameRKSs+0xa) [0x6ba03a]: restore_game(std::string const&)
/usr/games/crawl-git-ad6c6b887a(_Z12startup_stepv+0x1382) [0xa01852]: startup_step()
/usr/games/crawl-git-ad6c6b887a() [0x7dc216]
/usr/games/crawl-git-ad6c6b887a(main+0x2f9) [0x515d29]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f6cefd95ead]: 
/usr/games/crawl-git-ad6c6b887a() [0x577681]