Obtained 26 stack frames.
/usr/games/crawl-js-crypt(_Z17write_stack_traceP8_IO_FILEi+0x2d) [0xa5ecec]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-js-crypt(_Z20crash_signal_handleri+0x23a) [0xa5eaaf]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7fd044ae54c0]: 
/usr/games/crawl-js-crypt(_ZNKSt10unique_ptrI15vault_placementSt14default_deleteIS0_EE3getEv+0x18) [0x9a655e]: std::unique_ptr<vault_placement, std::default_delete<vault_placement> >::get() const
/usr/games/crawl-js-crypt(_ZNKSt10unique_ptrI15vault_placementSt14default_deleteIS0_EEptEv+0x18) [0xa6d74e]: std::unique_ptr<vault_placement, std::default_delete<vault_placement> >::operator->() const
/usr/games/crawl-js-crypt(_Z23raw_feature_descriptionRK9coord_def+0x5f) [0xb27fa2]: raw_feature_description(coord_def const&)
/usr/games/crawl-js-crypt() [0xa66c7d]
/usr/games/crawl-js-crypt(_Z13do_crash_dumpv+0x5a9) [0xa690e6]: do_crash_dump()
/usr/games/crawl-js-crypt(_Z20crash_signal_handleri+0x2c1) [0xa5eb36]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x364c0) [0x7fd044ae54c0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7fd044e7bb7b]: 
/usr/games/crawl-js-crypt() [0xa694d0]
/usr/games/crawl-js-crypt(_Z12AssertFailedPKcS0_iS0_z+0x1f4) [0xa696c9]: AssertFailed(char const*, char const*, int, char const*, ...)
/usr/games/crawl-js-crypt(_ZNK9PlaceInfo15assert_validityEv+0x57) [0xf56433]: PlaceInfo::assert_validity() const
/usr/games/crawl-js-crypt(_ZN6player14set_place_infoE9PlaceInfo+0x15) [0xf80ebd]: player::set_place_info(PlaceInfo)
/usr/games/crawl-js-crypt() [0x10bd092]
/usr/games/crawl-js-crypt(_Z8tag_readR6reader8tag_type+0x1ae) [0x10b2c7a]: tag_read(reader&, tag_type)
/usr/games/crawl-js-crypt() [0xba8ac0]
/usr/games/crawl-js-crypt() [0xba7294]
/usr/games/crawl-js-crypt(_Z12restore_gameRKSs+0x19) [0xba7e4c]: restore_game(std::string const&)
/usr/games/crawl-js-crypt(_Z12startup_stepv+0x18d) [0x1084e0f]: startup_step()
/usr/games/crawl-js-crypt() [0xd70e69]
/usr/games/crawl-js-crypt() [0xd70d32]
/usr/games/crawl-js-crypt(main+0x172) [0xd70b5c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7fd044ad076d]: 
/usr/games/crawl-js-crypt() [0x97a4a9]