ASSERT(you.skills[sk] == 0 || !is_useless_skill(sk)) in 'skills.cc' at line 222 failed.

Version: Dungeon Crawl Stone Soup (GnollCrawl) 0.19-a0-1251-g00b9ded48d
Platform: unix
Bits: 64
Game mode: normal
Tiles: online

Command line: /usr/games/crawl-oofcrawl -name flats -rc /dgldir/rcfiles/crawl-oofcrawl/flats.rc -macro /dgldir/rcfiles/crawl-oofcrawl/flats.macro -morgue /dgldir/morgue/flats/ -webtiles-socket /crawl-master/webserver/sockets/flats:2026-08-21.03:24:50.sock -await-connection

RC options:
restart_after_game = false


Crash caused by signal #6: Aborted

Obtained 16 stack frames.
/usr/games/crawl-oofcrawl(_Z17write_stack_traceP8_IO_FILEi+0x3b) [0x556eb72aa98b]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-oofcrawl(_Z13do_crash_dumpv+0x377) [0x556eb72b33b7]: do_crash_dump()
/usr/games/crawl-oofcrawl(_Z20crash_signal_handleri+0xae) [0x556eb72aacee]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x76297e9b6330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x76297ea0fb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x76297e9b627e]: 
/usr/games/crawl-oofcrawl(+0x2fcc1b) [0x556eb72b2c1b]: 
/usr/games/crawl-oofcrawl(+0x2fcdbe) [0x556eb72b2dbe]: 
/usr/games/crawl-oofcrawl(_Z24reassess_starting_skillsv+0x4e) [0x556eb76c2cfe]: reassess_starting_skills()
/usr/games/crawl-oofcrawl(_Z10setup_gameRK11newgame_def+0x63e) [0x556eb762776e]: setup_game(newgame_def const&)
/usr/games/crawl-oofcrawl(_Z12startup_stepv+0x10a1) [0x556eb7728341]: startup_step()
/usr/games/crawl-oofcrawl(+0x876846) [0x556eb782c846]: 
/usr/games/crawl-oofcrawl(main+0x36a) [0x556eb721276a]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x76297e99b1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x76297e99b28b]: 
/usr/games/crawl-oofcrawl(_start+0x25) [0x556eb7212c55]: 

Trying to run gdb.
GNU gdb (Ubuntu 15.0.50.20240403-0ubuntu1) 15.0.50.20240403-git
Copyright (C) 2024 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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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:
<https://www.gnu.org/software/gdb/bugs/>.
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    <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".
0x000076297ea817d7 in __GI___wait4 (pid=2909667, stat_loc=stat_loc@entry=0x0, options=options@entry=0, usage=usage@entry=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:30
#0  0x000076297ea817d7 in __GI___wait4 (pid=2909667, stat_loc=stat_loc@entry=0x0, options=options@entry=0, usage=usage@entry=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:30
        sc_ret = -512
        sc_ret = <optimized out>
#1  0x000076297ea8191b in __GI___waitpid (pid=<optimized out>, stat_loc=stat_loc@entry=0x0, options=options@entry=0) at ./posix/waitpid.c:38
No locals.
#2  0x0000556eb72ab0fb in call_gdb (file=0x76297eb754e0 <_IO_2_1_stderr_>, file@entry=0x7ffe6aa449b0) at crash.cc:420
        gdb = <optimized out>
        attach_cmd = "attach 2908521\000\000\000\000\000"
#3  0x0000556eb72b33d5 in do_crash_dump () at dbg-asrt.cc:668
        t = 140730687572512
        dir = "/dgldir/morgue/flats/"
        name = "/dgldir/morgue/flats/crash-flats-20260821-032502.txt", '\000' <repeats 127 times>
        file = 0x7ffe6aa449b0
#4  0x0000556eb72aacee in crash_signal_handler (sig_num=6) at crash.cc:193
No locals.
#5  <signal handler called>
No locals.
#6  __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
        tid = <optimized out>
        ret = 0
        pd = <optimized out>
        old_mask = {__val = {0}}
        ret = <optimized out>
        pd = <optimized out>
        old_mask = <optimized out>
        ret = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
        resultvar = <optimized out>
        resultvar = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
        __futex = <optimized out>
        resultvar = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
        __futex = <optimized out>
        __private = <optimized out>
        __oldval = <optimized out>
#7  __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
No locals.
#8  __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
No locals.
#9  0x000076297e9b627e in __GI_raise (sig=6) at ../sysdeps/posix/raise.c:26
        ret = <optimized out>
#10 0x0000556eb72b2c1b in _BreakStrToDebugger (mesg=mesg@entry=0x7ffe6aa45550 "ASSERT(you.skills[sk] == 0 || !is_useless_skill(sk)) in 'skills.cc' at line 222 failed.", assert=true) at dbg-asrt.cc:792
No locals.
#11 0x0000556eb72b2dbe in AssertFailed (expr=expr@entry=0x556eb786f0a0 "you.skills[sk] == 0 || !is_useless_skill(sk)", file=file@entry=0x556eb78a9ea5 "skills.cc", line=line@entry=222, text=text@entry=0x0) at dbg-asrt.cc:830
        mesg = "ASSERT(you.skills[sk] == 0 || !is_useless_skill(sk)) in 'skills.cc' at line 222 failed.", '\000' <repeats 37 times>, "\a", '\000' <repeats 19 times>, "\360U\244j\376\177", '\000' <repeats 26 times>, "\020V\244j\376\177\000\000\005\000\000\000\000\000\000\000tile:\000\000\000"...
        args = {{gp_offset = 0, fp_offset = 0, overflow_arg_area = 0x0, reg_save_area = 0x0}}
        fileName = <optimized out>
#12 0x0000556eb76c2cfe in reassess_starting_skills () at skills.cc:222
        sk = SK_INVOCATIONS
        next = SK_INVOCATIONS
#13 0x0000556eb762776e in _setup_generic (ng=...) at ng-setup.cc:538
        i = <optimized out>
        item = <optimized out>
        item = <optimized out>
        __for_range = <optimized out>
        __for_begin = <optimized out>
        __for_end = <optimized out>
#14 setup_game (ng=...) at ng-setup.cc:411
No locals.
#15 0x0000556eb7728341 in startup_step () at startup.cc:1039
        choice = {name = "flats", type = GAME_TYPE_NORMAL, filename = "flats.cs", map = "", arena_teams = "", allowed_combos = std::vector of length 0, capacity 0, allowed_species = std::vector of length 0, capacity 0, allowed_jobs = std::vector of length 0, capacity 0, allowed_weapons = std::vector of length 0, capacity 0, species = SP_DEMIGOD, job = JOB_SKALD, weapon = WPN_HAND_AXE, fully_random = false}
        defaults = {name = "", type = GAME_TYPE_NORMAL, filename = "", map = "", arena_teams = "", allowed_combos = std::vector of length 0, capacity 0, allowed_species = std::vector of length 0, capacity 0, allowed_jobs = std::vector of length 0, capacity 0, allowed_weapons = std::vector of length 0, capacity 0, species = SP_UNKNOWN, job = JOB_UNKNOWN, weapon = WPN_UNKNOWN, fully_random = false}
        newchar = false
        ng = {name = "flats", type = GAME_TYPE_NORMAL, filename = "", map = "", arena_teams = "", allowed_combos = std::vector of length 0, capacity 0, allowed_species = std::vector of length 0, capacity 0, allowed_jobs = std::vector of length 0, capacity 0, allowed_weapons = std::vector of length 0, capacity 0, species = SP_DEMIGOD, job = JOB_SKALD, weapon = WPN_HAND_AXE, fully_random = false}
#16 0x0000556eb782c846 in _launch_game () at main.cc:408
        game_start = <optimized out>
        ccon = <optimized out>
#17 0x0000556eb721276a in _launch_game_loop () at main.cc:381
        game_ended = false
        game_ended = <optimized out>
        ge = <optimized out>
        fe = <optimized out>
        E = <optimized out>
#18 main (argc=12, argv=0x7ffe6aa46ac8) at main.cc:337
No locals.
[Inferior 1 (process 2908521) detached]

Compilation info:
<<<<<<<<<<<
Compiled with GCC 6.4.0 20180424 on Jun  1 2025 at 10:18:11
Build platform: x86_64-linux-gnu
Platform: x86_64-linux-gnu
CFLAGS: -O2 -pipe -DUSE_TILE -DUSE_TILE_WEB -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 -g -DWIZARD -DASSERTS -DREGEX_PCRE -DCLUA_BINDINGS -DDGAMELAUNCH -DSAVE_DIR_PATH="/crawl-master/crawl-oofcrawl/saves" -DDATA_DIR_PATH="/crawl-master/crawl-oofcrawl/data/" -DWEB_DIR_PATH="/crawl-master/crawl-oofcrawl/data/web/" -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600
LDFLAGS: -rdynamic -fuse-ld=gold -O2
>>>>>>>>>>>

Place info:
branch = 0, depth = 1

Level id: D:1
Level build method = ABSENT, level layout type  = ABSENT, absdepth0 = 0

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

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

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: 1, map_stat_gen: 0, type: 1, arena_suspended: 0

prev_cmd = CMD_NO_CMD
repeat_cmd = CMD_NO_CMD

Player:
{{{{{{{{{{{
Name:    [flats]
Species: Demigod
Job:     Skald

HP: 0/0; mods: 0/0
MP: 0/0; mod: 0
Stats: 14 (14) 17 (17) 15 (15)
Position: (0, 0) <OoB>, god: No God (0), turn_is_over: 0, banished: 0

Skills (mode: auto)
Name            | can_train | train | training | level | points | progress
Fighting        |           |   0   |     0    |   24  |      0 | -26222/2854
Short Blades    |           |   0   |     0    |   24  |      0 | -26222/2854
Long Blades     |           |   0   |     0    |   24  |      0 | -26222/2854
Axes            |           |   0   |     0    |   24  |      0 | -26222/2854
Maces & Flails  |           |   0   |     0    |   24  |      0 | -26222/2854
Polearms        |           |   0   |     0    |   24  |      0 | -26222/2854
Staves          |           |   0   |     0    |   24  |      0 | -26222/2854
Slings          |           |   0   |     0    |   24  |      0 | -26222/2854
Bows            |           |   0   |     0    |   24  |      0 | -26222/2854
Crossbows       |           |   0   |     0    |   24  |      0 | -26222/2854
Throwing        |           |   0   |     0    |   24  |      0 | -26222/2854
Armour          |           |   0   |     0    |   24  |      0 | -26222/2854
Dodging         |           |   0   |     0    |   24  |      0 | -26222/2854
Stealth         |           |   0   |     0    |   24  |      0 | -22050/2400
Shields         |           |   0   |     0    |   24  |      0 | -26222/2854
Unarmed Combat  |           |   0   |     0    |   24  |      0 | -26222/2854
Spellcasting    |           |   0   |     0    |   24  |      0 | -31183/3394
Conjurations    |           |   0   |     0    |   24  |      0 | -26222/2854
Hexes           |           |   0   |     0    |   24  |      0 | -26222/2854
Charms          |           |   0   |     0    |   24  |      0 | -26222/2854
Summonings      |           |   0   |     0    |   24  |      0 | -26222/2854
Necromancy      |           |   0   |     0    |   24  |      0 | -26222/2854
Translocations  |           |   0   |     0    |   24  |      0 | -26222/2854
Transmutations  |           |   0   |     0    |   24  |      0 | -26222/2854
Fire Magic      |           |   0   |     0    |   24  |      0 | -26222/2854
Ice Magic       |           |   0   |     0    |   24  |      0 | -26222/2854
Air Magic       |           |   0   |     0    |   24  |      0 | -26222/2854
Earth Magic     |           |   0   |     0    |   24  |      0 | -26222/2854
Poison Magic    |           |   0   |     0    |   24  |      0 | -26222/2854
Evocations      |           |   0   |     0    |    8  |  22051 | 19911/535

Spell bugs:

Durations:

Attributes:
    #59: 1

Mutations:
    high mp: 1 (innate)
    sustain attributes: 1 (innate)

Inventory bugs:

Equipment:
    eq slot #0, inv slot #0: +0 hand axe
    eq slot #6, inv slot #1: +0 leather armour

}}}}}}}}}}}

Webtiles message buffer: 
Webtiles JSON stack:

Screenshot:
@

clua stack:


dlua stack:


Lua persistent data:
<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>

Lua marker contents:
<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>