#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=139946836085440) at ./nptl/pthread_kill.c:44
#1  __pthread_kill_internal (signo=6, threadid=139946836085440) at ./nptl/pthread_kill.c:78
#2  __GI___pthread_kill (threadid=139946836085440, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#3  0x00007f47e8442476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#4  0x00007f47e84287f3 in __GI_abort () at ./stdlib/abort.c:79
#5  0x000055c7edb79f77 in crash_signal_cb (signo=11, siginfo=0x55c7ef3648f0, context=0x55c7ef3647c0)
    at /home/sergeyb/sources/MRG/tarantool/src/lib/core/crash.c:203
#6  <signal handler called>
#7  0x000055c7ed8e66d5 in NS_USE_HINT::bps_tree_memtx_tree_delete_from_leaf (tree=0x55c7ef89c2e8, leaf_path_elem=0x7f476d380510)
    at /home/sergeyb/sources/MRG/tarantool/src/lib/salad/bps_tree.h:3956
#8  0x000055c7ed8eb2f1 in NS_USE_HINT::bps_tree_memtx_tree_process_delete_leaf (tree=0x55c7ef89c2e8, leaf_path_elem=0x7f476d380510)
    at /home/sergeyb/sources/MRG/tarantool/src/lib/salad/bps_tree.h:5646
#9  0x000055c7ed8ec8cf in NS_USE_HINT::memtx_tree_delete (t=0x55c7ef89c2e8, elem=...)
    at /home/sergeyb/sources/MRG/tarantool/src/lib/salad/bps_tree.h:6158
#10 0x000055c7ed8eedbd in memtx_tree_index_replace<true> (base=0x55c7ef89c2b0, old_tuple=0x55c7f1ed7e4c, new_tuple=0x0, mode=DUP_INSERT, 
    result=0x7f476d3808f0, successor=0x7f476d3808f8) at /home/sergeyb/sources/MRG/tarantool/src/box/memtx_tree.cc:1255
#11 0x000055c7ed8fe33f in index_replace (index=0x55c7ef89c2b0, old_tuple=0x55c7f1ed7e4c, new_tuple=0x0, mode=DUP_INSERT, result=0x7f476d3808f0, 
    successor=0x7f476d3808f8) at /home/sergeyb/sources/MRG/tarantool/src/box/index.h:917
#12 0x000055c7ed90414a in memtx_tx_story_full_unlink_story_gc_step (story=0x7f4786186350)
    at /home/sergeyb/sources/MRG/tarantool/src/box/memtx_tx.c:1476
#13 0x000055c7ed9045a6 in memtx_tx_story_gc_step () at /home/sergeyb/sources/MRG/tarantool/src/box/memtx_tx.c:1598
#14 0x000055c7ed9045cf in memtx_tx_story_gc () at /home/sergeyb/sources/MRG/tarantool/src/box/memtx_tx.c:1606
#15 0x000055c7ed908f41 in memtx_tx_track_gap_slow (txn=0x7f4704b88038, space=0x55c7f00d4240, index=0x55c7ef89c2b0, successor=0x55c7efc3717c, 
    type=ITER_LE, key=0x0, part_count=0) at /home/sergeyb/sources/MRG/tarantool/src/box/memtx_tx.c:3244
#16 0x000055c7ed8da23a in memtx_tx_track_gap (txn=0x7f4704b88038, space=0x55c7f00d4240, index=0x55c7ef89c2b0, successor=0x55c7efc3717c, 
    type=ITER_LE, key=0x0, part_count=0) at /home/sergeyb/sources/MRG/tarantool/src/box/memtx_tx.h:317
#17 0x000055c7ed8f48eb in tree_iterator_prev_base<true> (iterator=0x7f47e4700180, ret=0x7f476d380c10)
    at /home/sergeyb/sources/MRG/tarantool/src/box/memtx_tree.cc:483
#18 0x000055c7ed8f3c1b in tree_iterator_prev<true> (iterator=0x7f47e4700180, ret=0x7f476d380c10)
    at /home/sergeyb/sources/MRG/tarantool/src/box/memtx_tree.cc:631
#19 0x000055c7ed917b11 in memtx_iterator_next (it=0x7f47e4700180, ret=0x7f476d380c10)
    at /home/sergeyb/sources/MRG/tarantool/src/box/memtx_engine.cc:2110
#20 0x000055c7ed8ceb22 in iterator_next (it=0x7f47e4700180, ret=0x7f476d380c10) at /home/sergeyb/sources/MRG/tarantool/src/box/index.cc:645
#21 0x000055c7eda01eaf in box_select (space_id=512, index_id=0, iterator=4, offset=0, limit=149, 
    key=0x7f47e4728031 "\313BJ\205\203\275\307sʪbssvbbvzf", <incomplete sequence \317>, 
    key_end=0x7f47e4728087 "100735915952,\"27865cb6-5395-4160-9cfd-ca173680cd63\",863183007544,false]]string\",\"exclude_null\":false,\"is_nullable\":false},{\"fieldno\":2,\"sort_order\":\"asc\",\"type\":\"unsigned\",\"exclude_null\":false,\"is_nul"..., packed_pos=0x408d23c8, 
    packed_pos_end=0x41258a98, update_pos=false, port=0x41339358) at /home/sergeyb/sources/MRG/tarantool/src/box/box.cc:3851
#22 0x000055c7eda0204d in box_select_ffi (space_id=512, index_id=0, 
    key=0x7f47e4728030 "\231\313BJ\205\203\275\307sʪbssvbbvzf", <incomplete sequence \317>, 
    key_end=0x7f47e4728087 "100735915952,\"27865cb6-5395-4160-9cfd-ca173680cd63\",863183007544,false]]string\",\"exclude_null\":false,\"is_nullable\":false},{\"fieldno\":2,\"sort_order\":\"asc\",\"type\":\"unsigned\",\"exclude_null\":false,\"is_nul"..., packed_pos=0x408d23c8, 
    packed_pos_end=0x41258a98, update_pos=false, port=0x41339358, iterator=4, offset=84, limit=149)
    at /home/sergeyb/sources/MRG/tarantool/src/box/box.cc:3901
#23 0x000055c7d2510477 in ?? ()
#24 0x0000000000000000 in ?? ()

Please file a bug at https://github.com/tarantool/tarantool/issues
Attempting backtrace... Note: since the server has already crashed, 
this may fail as well
#1  0x55c7edb79492 in crash_collect+256
#2  0x55c7edb79ece in crash_signal_cb+100
#3  0x7f47e8442520 in __sigaction+80
#4  0x55c7ed8e66d5 in NS_USE_HINT::bps_tree_memtx_tree_delete_from_leaf(NS_USE_HINT::bps_tree_memtx_tree_common*, NS_USE_HINT::bpsmemtx_tree_leaf_path_elem*)+129
#5  0x55c7ed8eb2f1 in NS_USE_HINT::bps_tree_memtx_tree_process_delete_leaf(NS_USE_HINT::bps_tree_memtx_tree_common*, NS_USE_HINT::bpsmemtx_tree_leaf_path_elem*)+66
#6  0x55c7ed8ec8cf in NS_USE_HINT::memtx_tree_delete(NS_USE_HINT::memtx_tree*, memtx_tree_data<true>)+196
#7  0x55c7ed8eedbd in int memtx_tree_index_replace<true>(index*, tuple*, tuple*, dup_replace_mode, tuple**, tuple**)+786
#8  0x55c7ed8fe33f in index_replace+80
#9  0x55c7ed90414a in memtx_tx_story_full_unlink_story_gc_step+290
#10 0x55c7ed9045a6 in memtx_tx_story_gc_step+734
#11 0x55c7ed9045cf in memtx_tx_story_gc+27
#12 0x55c7ed908f41 in memtx_tx_track_gap_slow+500
#13 0x55c7ed8da23a in memtx_tx_track_gap+122
#14 0x55c7ed8f48eb in int tree_iterator_prev_base<true>(itAborted (core dumped)