ERROR in 'tags.cc' at line 3435: save corrupted: canary gone

Version: Dungeon Crawl Stone Soup v1.0-495-g52d9b3b
Platform: unix
Bits: 64
Game mode: normal
Tiles: online

Command line: /opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss -name Athaboros -rc /opt/dgl-chroot/var/gamedata/dcss-trunk/rc-files/Athaboros.rc -macro /opt/dgl-chroot/var/gamedata/dcss-trunk/rc-files/Athaboros.macro -morgue /opt/dgl-chroot/var/gamedata/dcss/morgue/Athaboros/ -extra-opt-first travel_delay=20 -extra-opt-first rest_delay=0 -extra-opt-first fake_lang=crab -extra-opt-first tile_player_tile=mons:fire crab -dir /opt/dgl-chroot/var/gamedata/dcss-gooncrawl/save/ -webtiles-socket /opt/dgl-chroot/tmp/dcss-sockets/Athaboros:2018-09-14.18:58:28.sock -await-connection

RC options:
restart_after_game = false


Crash caused by signal #6: Aborted

Obtained 16 stack frames.
/opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss(_Z17write_stack_traceP8_IO_FILEi+0x38) [0x67f758]: write_stack_trace(_IO_FILE*, int)
/opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss(_Z13do_crash_dumpv+0x49b) [0x68786b]: do_crash_dump()
/opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss(_Z20crash_signal_handleri+0x9c) [0x67fa7c]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x354b0) [0x7f2b88c914b0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x29) [0x7f2b89037269]: 
/opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss() [0x686ec9]
/opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss() [0x687288]
/opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss(_Z8tag_readR6reader8tag_type+0x4e9d) [0xb22fdd]: tag_read(reader&, tag_type)
/opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss() [0x73d9c5]
/opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss() [0x73dcb1]
/opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss(_Z12restore_gameRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x1d) [0x73e98d]: restore_game(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
/opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss(_Z12startup_stepv+0x1a20) [0xae6ca0]: startup_step()
/opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss() [0xbecb95]
/opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss(main+0x120) [0x5e8470]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0) [0x7f2b88c7c830]: 
/opt/dgl-chroot/usr/lib/dcss-gooncrawl/bin/dcss(_start+0x29) [0x5e8b39]: 

Trying to run gdb.
GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.5) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f2b89036f2a in __waitpid (pid=4239, stat_loc=0x0, options=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
#0  0x00007f2b89036f2a in __waitpid (pid=4239, stat_loc=0x0, options=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
        resultvar = 18446744073709551104
#1  0x000000000067fe7b in call_gdb(_IO_FILE*) ()
No symbol table info available.
#2  0x000000000068788e in do_crash_dump() ()
No symbol table info available.
#3  0x000000000067fa7c in crash_signal_handler(int) ()
No symbol table info available.
#4  <signal handler called>
No locals.
#5  0x00007f2b89037269 in raise (sig=6) at ../sysdeps/unix/sysv/linux/pt-raise.c:35
        resultvar = 0
        pid = <optimized out>
#6  0x0000000000686ec9 in ?? ()
No symbol table info available.
#7  0x0000000000687288 in die(char const*, int, char const*, ...) ()
No symbol table info available.
#8  0x0000000000b22fdd in tag_read(reader&, tag_type) ()
No symbol table info available.
#9  0x000000000073d9c5 in ?? ()
No symbol table info available.
#10 0x000000000073dcb1 in ?? ()
No symbol table info available.
#11 0x000000000073e98d in restore_game(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) ()
No symbol table info available.
#12 0x0000000000ae6ca0 in startup_step() ()
No symbol table info available.
#13 0x0000000000becb95 in ?? ()
No symbol table info available.
#14 0x00000000005e8470 in main ()
No symbol table info available.

Compilation info:
<<<<<<<<<<<
Compiled with GCC 5.4.0 20160609 on Sep 11 2018 at 09:00:27
Build platform: x86_64-linux-gnu
Platform: x86_64-linux-gnu
CFLAGS: -O2 -pipe -DUSE_TILE -DUSE_TILE_WEB -DEXPERIMENTAL_BRANCH="gooncrawl" -Wall -Wformat-security -Wundef -Wno-array-bounds -Wno-format-zero-length -Wmissing-declarations -Wredundant-decls -Wno-parentheses -Wwrite-strings -Wshadow -pedantic -Wuninitialized -Iutil -I. -isystem /usr/include/lua5.1 -Irltiles -DWIZARD -DASSERTS -DCLUA_BINDINGS -DDGAMELAUNCH -DSAVE_DIR_PATH="/opt/dgl-chroot/var/gamedata/dcss-gooncrawl" -DWEB_DIR_PATH="/web/" -D_GNU_SOURCE -isystem /usr/include/ncursesw
LDFLAGS: -rdynamic -fuse-ld=gold -O2 
>>>>>>>>>>>

Place info:
branch = 0, depth = 2

Level id: D:2
Level build method = ABSENT, level layout type  = ABSENT, absdepth0 = 0

Markers:
<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>

Messages:
<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>

Version history:
No version history (current version is v1.0-495-g52d9b3b)

Game state:

mouse_enabled: 0, waiting_for_command: 0, terminal_resized: 0
io_inited: 1, need_save: 0, saving_game: 0, updating_scores: 0:
seen_hups: 0, map_stat_gen: 0, type: 1, arena_suspended: 0

prev_cmd = CMD_NO_CMD
repeat_cmd = CMD_NO_CMD

Player:
{{{{{{{{{{{
Name:    [Athaboros]
Species: Troll
Job:     Fighter

HP: 28/0; mods: 0/0
MP: 1/1; mod: 0
Stats: 23 (23) 4 (4) 9 (9)
Position: (28, 13), god: No God (0), turn_is_over: 0, banished: 0
Recursive crash.