Obtained 19 stack frames. /usr/games/crawl-git-c18c9f84a6(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5f7543]: write_stack_trace(_IO_FILE*, int) /usr/games/crawl-git-c18c9f84a6(_Z20crash_signal_handleri+0x174) [0x5f78b4]: crash_signal_handler(int) /lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fe1004c24f0]: /usr/games/crawl-git-c18c9f84a6(_Z23raw_feature_descriptionRK9coord_def+0x4b) [0x64dc7b]: raw_feature_description(coord_def const&) /usr/games/crawl-git-c18c9f84a6(_Z13do_crash_dumpv+0xb41) [0x5fe3c1]: do_crash_dump() /usr/games/crawl-git-c18c9f84a6(_Z20crash_signal_handleri+0x6a) [0x5f77aa]: crash_signal_handler(int) /lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7fe1004c24f0]: /lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7fe100828efb]: /usr/games/crawl-git-c18c9f84a6() [0x5fd3f4] /usr/games/crawl-git-c18c9f84a6() [0x5fd769] /usr/games/crawl-git-c18c9f84a6() [0x9e6ebf] /usr/games/crawl-git-c18c9f84a6(_Z8tag_readR6reader8tag_type+0x14d) [0x9f160d]: tag_read(reader&, tag_type) /usr/games/crawl-git-c18c9f84a6() [0x6a0ad2] /usr/games/crawl-git-c18c9f84a6() [0x6a555b] /usr/games/crawl-git-c18c9f84a6(_Z12restore_gameRKSs+0xa) [0x6a5cfa]: restore_game(std::string const&) /usr/games/crawl-git-c18c9f84a6(_Z12startup_stepv+0xd33) [0x9c4fa3]: startup_step() /usr/games/crawl-git-c18c9f84a6(main+0x31e) [0x4fbcee]: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7fe1004aeead]: /usr/games/crawl-git-c18c9f84a6() [0x5709a9]