minetestserver crash

(gdb) set args --config ~/.minetest/worlds/local/minetest.conf --logfile ~/.minetest/worlds/local/debug.txt --port 30001 ~/.minetest/worlds/local/
(gdb) run
Starting program: /usr/local/bin/minetestserver --config ~/.minetest/worlds/local/minetest.conf --logfile ~/.minetest/worlds/local/debug.txt --port 30001 ~/.minetest/worlds/local/
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.19-gdb.py", line 63, in <module>
    from libstdcxx.v6.printers import register_libstdcxx_printers
ImportError: No module named 'libstdcxx'
[New Thread 0x7ffff2111700 (LWP 14571)]
[New Thread 0x7ffff1910700 (LWP 14572)]
[Buckets] Loaded!
[New Thread 0x7ffff110f700 (LWP 14573)]
2015-07-22 17:58:15: ACTION[main]:         .__               __                   __
2015-07-22 17:58:15: ACTION[main]:   _____ |__| ____   _____/  |_  ____   _______/  |_
2015-07-22 17:58:15: ACTION[main]:  /     \|  |/    \_/ __ \   __\/ __ \ /  ___/\   __\
2015-07-22 17:58:15: ACTION[main]: |  Y Y  \  |   |  \  ___/|  | \  ___/ \___ \  |  |
2015-07-22 17:58:15: ACTION[main]: |__|_|  /__|___|  /\___  >__|  \___  >____  > |__|
2015-07-22 17:58:15: ACTION[main]:       \/        \/     \/          \/     \/
2015-07-22 17:58:15: ACTION[main]: World at [/home/foz/.minetest/worlds/local/]
2015-07-22 17:58:15: ACTION[main]: Server for gameid="minetest" listening on 0.0.0.0:30001.
[New Thread 0x7ffff090e700 (LWP 14574)]
2015-07-22 17:58:28: ACTION[ServerThread]: Foz [192.168.0.202] joins game.
2015-07-22 17:58:28: ACTION[ServerThread]: Foz joins game. List of players: Foz

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff090e700 (LWP 14574)]
0x00000000005aafd5 in DungeonGen::makeCorridor(irr::core::vector3d<short>, irr::core::vector3d<short>, irr::core::vector3d<short>&, irr::core::vector3d<short>&) ()
(gdb) bt full
#0  0x00000000005aafd5 in DungeonGen::makeCorridor(irr::core::vector3d<short>, irr::core::vector3d<short>, irr::core::vector3d<short>&, irr::core::vector3d<short>&) ()
No symbol table info available.
#1  0x00000000005ab832 in DungeonGen::makeDungeon(irr::core::vector3d<short>) ()
No symbol table info available.
#2  0x00000000005abfc5 in DungeonGen::generate(unsigned int, irr::core::vector3d<short>, irr::core::vector3d<short>) ()
No symbol table info available.
#3  0x0000000000621598 in MapgenV6::makeChunk(BlockMakeData*) ()
No symbol table info available.
#4  0x00000000005aea64 in EmergeThread::Thread() ()
No symbol table info available.
#5  0x00000000004723f3 in JThread::TheThread(void*) ()
No symbol table info available.
#6  0x00007ffff7276182 in start_thread (arg=0x7ffff090e700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7ffff090e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737229416192, -814787343921650661, 1, 0, 140737229416896, 140737229416192, 814775619766248475, 814770502459122715},
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007ffff631d47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111