Obtained 23 stack frames.
/usr/games/crawl-gooncrawl-cbro(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5d90d3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-gooncrawl-cbro(_Z20crash_signal_handleri+0x1a5) [0x5d9465]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x360b0) [0x7f4a0a2390b0]: 
/usr/games/crawl-gooncrawl-cbro(_Z23raw_feature_descriptionRK9coord_def+0x4b) [0x63f80b]: raw_feature_description(coord_def const&)
/usr/games/crawl-gooncrawl-cbro(_Z13do_crash_dumpv+0xea6) [0x5e0de6]: do_crash_dump()
/usr/games/crawl-gooncrawl-cbro(_Z20crash_signal_handleri+0x9c) [0x5d935c]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x360b0) [0x7f4a0a2390b0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f4a0a5d3b7b]: 
/usr/games/crawl-gooncrawl-cbro() [0x5df9e9]
/usr/games/crawl-gooncrawl-cbro() [0x5dfcb1]
/usr/games/crawl-gooncrawl-cbro(_ZN15CrawlStoreValue4readER6reader+0x643) [0xa8be33]: CrawlStoreValue::read(reader&)
/usr/games/crawl-gooncrawl-cbro(_ZN14CrawlHashTable4readER6reader+0x157) [0xa8c3e7]: CrawlHashTable::read(reader&)
/usr/games/crawl-gooncrawl-cbro(_Z14unmarshallItemR6readerR8item_def+0x469) [0xa96c49]: unmarshallItem(reader&, item_def&)
/usr/games/crawl-gooncrawl-cbro() [0xa99607]
/usr/games/crawl-gooncrawl-cbro() [0xa9c197]
/usr/games/crawl-gooncrawl-cbro(_Z8tag_readR6reader8tag_type+0x965) [0xa9f2e5]: tag_read(reader&, tag_type)
/usr/games/crawl-gooncrawl-cbro() [0x699774]
/usr/games/crawl-gooncrawl-cbro(_Z10load_level20dungeon_feature_type14load_mode_typeRK8level_id+0x1472) [0x69f902]: load_level(dungeon_feature_type, load_mode_type, level_id const&)
/usr/games/crawl-gooncrawl-cbro(_Z12startup_stepv+0x8de) [0xa6fdee]: startup_step()
/usr/games/crawl-gooncrawl-cbro() [0xbd6ce6]
/usr/games/crawl-gooncrawl-cbro(main+0x12a) [0xbda89a]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f4a0a2247ed]: 
/usr/games/crawl-gooncrawl-cbro() [0x53a4d9]