Obtained 19 stack frames.
/usr/games/crawl-git-31ee8e6f2f(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5f6833]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-31ee8e6f2f(_Z20crash_signal_handleri+0x174) [0x5f6ba4]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f469dea84f0]: 
/usr/games/crawl-git-31ee8e6f2f(_Z23raw_feature_descriptionRK9coord_def+0x4b) [0x64cf0b]: raw_feature_description(coord_def const&)
/usr/games/crawl-git-31ee8e6f2f(_Z13do_crash_dumpv+0xb41) [0x5fd6b1]: do_crash_dump()
/usr/games/crawl-git-31ee8e6f2f(_Z20crash_signal_handleri+0x6a) [0x5f6a9a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f469dea84f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f469e20eefb]: 
/usr/games/crawl-git-31ee8e6f2f() [0x5fc6e4]
/usr/games/crawl-git-31ee8e6f2f() [0x5fca59]
/usr/games/crawl-git-31ee8e6f2f() [0x9e5def]
/usr/games/crawl-git-31ee8e6f2f(_Z8tag_readR6reader8tag_type+0x14d) [0x9f053d]: tag_read(reader&, tag_type)
/usr/games/crawl-git-31ee8e6f2f() [0x69f0b2]
/usr/games/crawl-git-31ee8e6f2f() [0x6a3b3b]
/usr/games/crawl-git-31ee8e6f2f(_Z12restore_gameRKSs+0xa) [0x6a42da]: restore_game(std::string const&)
/usr/games/crawl-git-31ee8e6f2f(_Z12startup_stepv+0xd33) [0x9c3ed3]: startup_step()
/usr/games/crawl-git-31ee8e6f2f(main+0x31e) [0x4fc03e]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f469de94ead]: 
/usr/games/crawl-git-31ee8e6f2f() [0x56f449]