Obtained 27 stack frames. /usr/games/crawl-git-a4934feff6(_Z17write_stack_traceP8_IO_FILE+0x3b) [0x55ff2bad38fb]: write_stack_trace(_IO_FILE*) /usr/games/crawl-git-a4934feff6(_Z20crash_signal_handleri+0x1e5) [0x55ff2bad3da5]: crash_signal_handler(int) /lib/x86_64-linux-gnu/libc.so.6(+0x3efd0) [0x7fc0f40adfd0]: /lib/x86_64-linux-gnu/libc.so.6(sigprocmask+0xd) [0x7fc0f40ae1fd]: /lib/x86_64-linux-gnu/libc.so.6(abort+0xac) [0x7fc0f40af81c]: /usr/games/crawl-git-a4934feff6(+0x3906e0) [0x55ff2badb6e0]: /usr/games/crawl-git-a4934feff6(+0x390a95) [0x55ff2badba95]: /usr/games/crawl-git-a4934feff6(+0x97c8f3) [0x55ff2c0c78f3]: /usr/games/crawl-git-a4934feff6(_ZN14TilesFramework14send_milestoneERK11xlog_fields+0x128) [0x55ff2c0c80c8]: TilesFramework::send_milestone(xlog_fields const&) /usr/games/crawl-git-a4934feff6(_Z14mark_milestoneRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_S6_l+0x4ea) [0x55ff2bc305fa]: mark_milestone(std::__cxx11::basic_string, std::allocator > const&, std::__cxx11::basic_string, std::allocator > const&, std::__cxx11::basic_string, std::allocator > const&, long) /usr/games/crawl-git-a4934feff6(_Z13do_crash_dumpv+0x1ea1) [0x55ff2badda91]: do_crash_dump() /usr/games/crawl-git-a4934feff6(_Z20crash_signal_handleri+0xae) [0x55ff2bad3c6e]: crash_signal_handler(int) /lib/x86_64-linux-gnu/libc.so.6(+0x3efd0) [0x7fc0f40adfd0]: /lib/x86_64-linux-gnu/libpthread.so.0(raise+0xc7) [0x7fc0f4472737]: /usr/games/crawl-git-a4934feff6(+0x3906db) [0x55ff2badb6db]: /usr/games/crawl-git-a4934feff6(+0x390a95) [0x55ff2badba95]: /usr/games/crawl-git-a4934feff6(_ZNK6player23get_base_mutation_levelE13mutation_typebbb+0x8f) [0x55ff2be613bf]: player::get_base_mutation_level(mutation_type, bool, bool, bool) const /usr/games/crawl-git-a4934feff6(+0x71695a) [0x55ff2be6195a]: /usr/games/crawl-git-a4934feff6(_ZNK14PotionMutation5quaffEb+0x17b) [0x55ff2bedcd0b]: PotionMutation::quaff(bool) const /usr/games/crawl-git-a4934feff6(_Z12quaff_potionR8item_def+0x9d) [0x55ff2bed964d]: quaff_potion(item_def&) /usr/games/crawl-git-a4934feff6(_Z5drinkP8item_def+0x289) [0x55ff2bc7f999]: drink(item_def*) /usr/games/crawl-git-a4934feff6(_Z15process_command12command_typeS_+0x1103) [0x55ff2c0e0b13]: process_command(command_type, command_type) /usr/games/crawl-git-a4934feff6(+0x993ae1) [0x55ff2c0deae1]: /usr/games/crawl-git-a4934feff6(+0x99447d) [0x55ff2c0df47d]: /usr/games/crawl-git-a4934feff6(main+0x39b) [0x55ff2ba2c6cb]: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7) [0x7fc0f4090b97]: /usr/games/crawl-git-a4934feff6(_start+0x2a) [0x55ff2ba2cf0a]: