Obtained 19 stack frames.
/usr/games/crawl-git-4683f236fd(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5fe713]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-4683f236fd(_Z20crash_signal_handleri+0x174) [0x5fea84]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f7b4f4ea4f0]: 
/usr/games/crawl-git-4683f236fd(_Z23raw_feature_descriptionRK9coord_def+0x4b) [0x6565db]: raw_feature_description(coord_def const&)
/usr/games/crawl-git-4683f236fd(_Z13do_crash_dumpv+0xce1) [0x605e01]: do_crash_dump()
/usr/games/crawl-git-4683f236fd(_Z20crash_signal_handleri+0x74) [0x5fe984]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f7b4f4ea4f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f7b4f850efb]: 
/usr/games/crawl-git-4683f236fd() [0x604c94]
/usr/games/crawl-git-4683f236fd() [0x605009]
/usr/games/crawl-git-4683f236fd() [0x9f4710]
/usr/games/crawl-git-4683f236fd(_Z8tag_readR6reader8tag_type+0xfc8) [0x9fd8d8]: tag_read(reader&, tag_type)
/usr/games/crawl-git-4683f236fd() [0x6aa262]
/usr/games/crawl-git-4683f236fd() [0x6af25b]
/usr/games/crawl-git-4683f236fd(_Z12restore_gameRKSs+0xa) [0x6af9fa]: restore_game(std::string const&)
/usr/games/crawl-git-4683f236fd(_Z12startup_stepv+0xe92) [0x9d1f72]: startup_step()
/usr/games/crawl-git-4683f236fd(main+0x31e) [0x4fcd4e]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f7b4f4d6ead]: 
/usr/games/crawl-git-4683f236fd() [0x56eec9]