Obtained 19 stack frames.
/usr/games/crawl-git-6e49b0d363(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x6466d3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-6e49b0d363(_Z20crash_signal_handleri+0x174) [0x646a44]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fd81a88f4f0]: 
/usr/games/crawl-git-6e49b0d363(_Z23raw_feature_descriptionRK9coord_def+0x64) [0x6a9ee4]: raw_feature_description(coord_def const&)
/usr/games/crawl-git-6e49b0d363(_Z13do_crash_dumpv+0xe12) [0x64e292]: do_crash_dump()
/usr/games/crawl-git-6e49b0d363(_Z20crash_signal_handleri+0x74) [0x646944]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fd81a88f4f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7fd81abf5efb]: 
/usr/games/crawl-git-6e49b0d363() [0x64cff4]
/usr/games/crawl-git-6e49b0d363() [0x64d369]
/usr/games/crawl-git-6e49b0d363(_Z8tag_readR6reader8tag_type+0x430b) [0xa99c1b]: tag_read(reader&, tag_type)
/usr/games/crawl-git-6e49b0d363() [0x6f8464]
/usr/games/crawl-git-6e49b0d363() [0x6f9f45]
/usr/games/crawl-git-6e49b0d363(_Z12restore_gameRKSs+0xa) [0x6fa6ea]: restore_game(std::string const&)
/usr/games/crawl-git-6e49b0d363(_Z12startup_stepv+0x1382) [0xa6a6a2]: startup_step()
/usr/games/crawl-git-6e49b0d363() [0x835506]
/usr/games/crawl-git-6e49b0d363(main+0x30d) [0x535dfd]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7fd81a87bead]: 
/usr/games/crawl-git-6e49b0d363() [0x5b1fcd]