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Copyright (C) 2013 Free Software Foundation, Inc.
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Reading symbols from /opt/couchbase/bin/memcached...Reading symbols from /usr/lib/debug/opt/couchbase/bin/memcached.debug...done.
done.
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Core was generated by `/opt/couchbase/bin/memcached -C /opt/couchbase/var/lib/couchbase/config/memcach'.
#0  0x00007fe7d3a6a387 in raise () from /lib64/libc.so.6
#0  0x00007fe7d3a6a387 in raise () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007fe7d3a6ba78 in abort () from /lib64/libc.so.6
No symbol table info available.
#2  0x00007fe7d43b563c in __gnu_cxx::__verbose_terminate_handler () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/vterminate.cc:95
        terminating = false
        t = <optimized out>
#3  0x0000000000ab73fb in backtrace_terminate_handler() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/terminate_handler.cc:88
No locals.
#4  0x00007fe7d43c08f6 in __cxxabiv1::__terminate(void (*)()) () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:48
No locals.
#5  0x00007fe7d43c0961 in std::terminate () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:58
No locals.
#6  0x00007fe7d43c0bf4 in __cxxabiv1::__cxa_throw (obj=obj@entry=0x7fe6ec000c70, tinfo=0xfd9360 <typeinfo for std::runtime_error>, dest=0x443090 <_ZNSt13runtime_errorD1Ev@plt>)
    at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_throw.cc:95
        globals = <optimized out>
        header = 0x7fe6ec000bf0
#7  0x00000000004c4a2d in operator() (seqno=<optimized out>, __closure=0x7fe737e0c858) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:1238
        vbPtr = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {
              _M_pi = 0x0}}, <No data fields>}
        vbid = <error reading variable vbid (Cannot access memory at address 0x7fe737e0c860)>
        this = <error reading variable this (Cannot access memory at address 0x7fe737e0c858)>
#8  __invoke_impl<void, EPBucket::makeCompactionContext(Vbid, CompactionConfig&, uint64_t)::<lambda(uint64_t)>&, long unsigned int> (__f=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60
No locals.
#9  __invoke_r<void, EPBucket::makeCompactionContext(Vbid, CompactionConfig&, uint64_t)::<lambda(uint64_t)>&, long unsigned int> (__fn=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:110
No locals.
#10 std::_Function_handler<void(long unsigned int), EPBucket::makeCompactionContext(Vbid, CompactionConfig&, uint64_t)::<lambda(uint64_t)> >::_M_invoke(const std::_Any_data &, <unknown type in /usr/lib/debug/opt/couchbase/bin/memcached.debug, CU 0x359c843, DIE 0x3683085>) (__functor=..., __args#0=<optimized out>) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:291
No locals.
#11 0x000000000086277c in operator() (__args#0=95457, this=<optimized out>) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#12 operator() (__closure=<synthetic pointer>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-kvstore.cc:268
No locals.
#13 MagmaKVStore::compactionCallBack(MagmaKVStore::MagmaCompactionCB&, magma::Slice const&, magma::Slice const&, magma::Slice const&) ()
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-kvstore.cc:366
        timeToExpireFrom = 72057594062364929
        vbid = {vbid = 157}
        userSanitizedItemStr = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7fe74afe2b10 ""}, _M_string_length = 0, {
            _M_local_buf = "\000\000\060\000\000\000\000\000\000\322\223\000\000\000\000", _M_allocated_capacity = 3145728}}
        seqno = 95457
        exptime = 1631195667
#14 0x00000000009136ed in magma::DocSeqGCContext::Transform (this=0x7fe7375a7800, key=..., value=..., buffer=..., outputValue=0x7fe74afe2d60) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/format.h:44
        drop = false
#15 0x00000000009bec05 in magma::ItemGCFilter::Process(std::vector<std::pair<magma::Slice, magma::Slice>, std::allocator<std::pair<magma::Slice, magma::Slice> > >&, std::vector<std::pair<magma::Slice, magma::Slice>, std::allocator<std::pair<magma::Slice, magma::Slice> > >*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/mvcc.cc:106
        newValue = {data = 0x0, len = 0}
        deleted = <optimized out>
        oldValue = 0x0
        kv = {<std::__pair_base<magma::Slice, magma::Slice>> = {<No data fields>}, first = {data = 0x7fe732766a80 <Address 0x7fe732766a80 out of bounds>, len = 33}, second = {data = 0x7fe732766aa1 <Address 0x7fe732766aa1 out of bounds>, 
            len = 47}}
        item = {key = {data = 0x7fe732766a80 <Address 0x7fe732766a80 out of bounds>, len = 24}, sn = 916765098658234368, op = magma::Update}
        gcOffset = 1
        lastSn = <optimized out>
#16 0x00000000009960c2 in magma::LSMTree::mergeSSTables(std::vector<std::shared_ptr<magma::Table>, std::allocator<std::shared_ptr<magma::Table> > >&, magma::ItemGCFilter&, unsigned long, double, std::vector<std::shared_ptr<magma::Table>, std::allocator<std::shared_ptr<magma::Table> > >*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:725
        kvList = <optimized out>
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        filterOutput = {<std::_Vector_base<std::pair<magma::Slice, magma::Slice>, std::allocator<std::pair<magma::Slice, magma::Slice> > >> = {
            _M_impl = {<std::allocator<std::pair<magma::Slice, magma::Slice> >> = {<__gnu_cxx::new_allocator<std::pair<magma::Slice, magma::Slice> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::pair<magma::Slice, magma::Slice>, std::allocator<std::pair<magma::Slice, magma::Slice> > >::_Vector_impl_data> = {_M_start = 0x7fe73286dba0, _M_finish = 0x7fe73286dba0, _M_end_of_storage = 0x7fe73286dbc0}, <No data fields>}}, <No data fields>}
        totalPhySize = <optimized out>
        totalLogicalSize = <optimized out>
        estimateTables = <optimized out>
        estimateOutputSize = 2059898
        maxSSTableSizeWithOverhead = 2306867
        merger = {<magma::Iterator> = {_vptr.Iterator = 0xc07660 <vtable for magma::MergeIterator+16>, rstats = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}}, 
          iterators = {<std::_Vector_base<magma::Iterator*, std::allocator<magma::Iterator*> >> = {
              _M_impl = {<std::allocator<magma::Iterator*>> = {<__gnu_cxx::new_allocator<magma::Iterator*>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::Iterator*, std::allocator<magma::Iterator*> >::_Vector_impl_data> = {_M_start = 0x7fe73a704d00, _M_finish = 0x7fe73a704d90, _M_end_of_storage = 0x7fe73a704e00}, <No data fields>}}, <No data fields>}, 
          ownership = {<std::_Vector_base<std::unique_ptr<magma::Iterator, std::default_delete<magma::Iterator> >, std::allocator<std::unique_ptr<magma::Iterator, std::default_delete<magma::Iterator> > > >> = {
              _M_impl = {<std::allocator<std::unique_ptr<magma::Iterator, std::default_delete<magma::Iterator> > >> = {<__gnu_cxx::new_allocator<std::unique_ptr<magma::Iterator, std::default_delete<magma::Iterator> > >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::unique_ptr<magma::Iterator, std::default_delete<magma::Iterator> >, std::allocator<std::unique_ptr<magma::Iterator, std::default_delete<magma::Iterator> > > >::_Vector_impl_data> = {
                  _M_start = 0x7fe73a81d200, _M_finish = 0x7fe73a81d290, _M_end_of_storage = 0x7fe73a81d300}, <No data fields>}}, <No data fields>}, 
          queue = {<boost::heap::detail::priority_queue_mutable_wrapper<boost::heap::detail::d_ary_heap<magma::MergeIterator::queueElement, boost::parameter::aux::flat_like_arg_list<boost::parameter::aux::flat_like_arg_tuple<boost::heap::tag::mutable_, boost::heap::mutable_<true>, std::integral_constant<bool, true> >, boost::parameter::aux::flat_like_arg_tuple<boost::heap::tag::compare, boost::heap::compare<magma::MergeIterator::greaterThan>, std::integral_constant<bool, true> >, boost::parameter::aux::flat_like_arg_tuple<boost::heap::tag::arity, boost::heap::arity<2>, std::integral_constant<bool, true> > >, boost::heap::detail::nop_index_updater> >> = {static is_stable = <optimized out>, 
              q_ = {<boost::heap::detail::heap_base<std::_List_iterator<std::pair<magma::MergeIterator::queueElement, unsigned long> >, boost::heap::detail::priority_queue_mutable_wrapper<boost::heap::detail::d_ary_heap<magma::MergeIterator::queueElement, boost::parameter::aux::flat_like_arg_list<boost::parameter::aux::flat_like_arg_tuple<boost::heap::tag::mutable_, boost::heap::mutable_<true>, std::integral_constant<bool, true> >, boost::parameter::aux::flat_like_arg_tuple<boost::heap::tag::compare, boost::heap::compare<magma::MergeIterator::greaterThan>, std::integral_constant<bool, true> >, boost::parameter::aux::flat_like_arg_tuple<boost::heap::tag::arity, boost::heap::arity<2>, std::integral_constant<bool, true> > >, boost::heap::detail::nop_index_updater> >::indirect_cmp, false, unsigned long, false>> = {<boost::heap::detail::priority_queue_mutable_wrapper<boost::heap::detail::d_ary_heap<magma::MergeIterator::queueElement, boost::parameter::aux::flat_like_arg_list<boost::parameter::aux::flat_like_arg_tuple<boost::heap::tag::mutable_, boost::heap::mutable_<true>, std::integral_constant<bool, true> >, boost::parameter::aux::flat_like_arg_tuple<boost::heap::tag::compare, boost::heap::compare<magma::MergeIterator::greaterThan>, std::integral_constant<bool, true> >, boost::parameter::aux::flat_like_arg_tuple<boost::heap::tag::arity, boost::heap::arity<2>, std::integral_constant<bool, true> > >, boost::heap::detail::nop_index_updater> >::indirect_cmp> = {<magma::MergeIterator::greaterThan> = {iters = 0x7fe74afe3030, 
                      cmp = {<std::_Maybe_unary_or_binary_function<int, magma::Slice const&, magma::Slice const&>> = {<std::binary_function<magma::Slice const&, magma::Slice const&, int>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7fe73317da00, _M_const_object = 0x7fe73317da00, _M_function_pointer = 0x7fe73317da00, 
                              _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7fe73317da00, this adjustment 140630813385408}, 
                            _M_pod_data = "\000\332\027\063\347\177\000\000\300\"\255)\347\177\000"}, 
                          _M_manager = 0x9662d0 <std::_Function_handler<int (magma::Slice const&, magma::Slice const&), magma::KeyVersionCompare>::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation)>}, 
                        _M_invoker = 0x966240 <std::_Function_handler<int (magma::Slice const&, magma::Slice const&), magma::KeyVersionCompare>::_M_invoke(std::_Any_data const&, magma::Slice const&, magma::Slice const&)>}}, <No data fields>}, <boost::heap::detail::size_holder<false, unsigned long>> = {static constant_time_size = <optimized out>}, static is_stable = <optimized out>}, 
                q_ = {<std::_Vector_base<std::_List_iterator<std::pair<magma::MergeIterator::queueElement, unsigned long> >, std::allocator<std::_List_iterator<std::pair<magma::MergeIterator::queueElement, unsigned long> > > >> = {
                    _M_impl = {<std::allocator<std::_List_iterator<std::pair<magma::MergeIterator::queueElement, unsigned long> > >> = {<__gnu_cxx::new_allocator<std::_List_iterator<std::pair<magma::MergeIterator::queueElement, unsigned long> > >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::_List_iterator<std::pair<magma::MergeIterator::queueElement, unsigned long> >, std::allocator<std::_List_iterator<std::pair<magma::MergeIterator::queueElement, unsigned long> > > >::_Vector_impl_data> = {_M_start = 0x7fe73a81df00, _M_finish = 0x7fe73a81df90, _M_end_of_storage = 0x7fe73a81e000}, <No data fields>}}, <No data fields>}, static D = 2, static is_stable = <optimized out>}, 
              objects = {<std::__cxx11::_List_base<std::pair<magma::MergeIterator::queueElement, unsigned long>, std::allocator<std::pair<magma::MergeIterator::queueElement, unsigned long> > >> = {
                  _M_impl = {<std::allocator<std::_List_node<std::pair<magma::MergeIterator::queueElement, unsigned long> > >> = {<__gnu_cxx::new_allocator<std::_List_node<std::pair<magma::MergeIterator::queueElement, unsigned long> > >> = {<No data fields>}, <No data fields>}, _M_node = {<std::__detail::_List_node_base> = {_M_next = 0x7fe738df33a0, _M_prev = 0x7fe73aabff70}, _M_size = 18}}}, <No data fields>}}, static is_mutable = true, 
            static constant_time_size = <optimized out>, static has_ordered_iterators = <optimized out>, static is_mergable = <optimized out>, static has_reserve = <optimized out>, static is_stable = <optimized out>}, doCaching = false, 
          enableReadAhead = true}
        kvReader = {output = {<std::_Vector_base<std::pair<magma::Slice, magma::Slice>, std::allocator<std::pair<magma::Slice, magma::Slice> > >> = {
              _M_impl = {<std::allocator<std::pair<magma::Slice, magma::Slice> >> = {<__gnu_cxx::new_allocator<std::pair<magma::Slice, magma::Slice> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::pair<magma::Slice, magma::Slice>, std::allocator<std::pair<magma::Slice, magma::Slice> > >::_Vector_impl_data> = {_M_start = 0x7fe73444d520, _M_finish = 0x7fe73444d540, _M_end_of_storage = 0x7fe73444d540}, <No data fields>}}, <No data fields>}, 
          kvSizes = {<std::_Vector_base<unsigned long, std::allocator<unsigned long> >> = {
              _M_impl = {<std::allocator<unsigned long>> = {<__gnu_cxx::new_allocator<unsigned long>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<unsigned long, std::allocator<unsigned long> >::_Vector_impl_data> = {
                  _M_start = 0x7fe7386cdbb0, _M_finish = 0x7fe7386cdbc0, _M_end_of_storage = 0x7fe7386cdbc0}, <No data fields>}}, <No data fields>}, 
          cmp = {<std::_Maybe_unary_or_binary_function<int, magma::Slice const&, magma::Slice const&>> = {<std::binary_function<magma::Slice const&, magma::Slice const&, int>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7fe7388b9da0, _M_const_object = 0x7fe7388b9da0, _M_function_pointer = 0x7fe7388b9da0, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7fe7388b9da0, this adjustment 140633695086903}, _M_pod_data = "\240\235\213\070\347\177\000\000\067ip\325\347\177\000"}, 
              _M_manager = 0x966820 <std::_Function_handler<int (magma::Slice const&, magma::Slice const&), magma::KeyOnlyCompare>::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation)>}, 
            _M_invoker = 0x9661c0 <std::_Function_handler<int (magma::Slice const&, magma::Slice const&), magma::KeyOnlyCompare>::_M_invoke(std::_Any_data const&, magma::Slice const&, magma::Slice const&)>}, iter = 0x7fe74afe3000, 
          buf = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7fe732766a80 <Address 0x7fe732766a80 out of bounds>}, 
            _M_string_length = 80, {_M_local_buf = "\222\000\000\000\000\000\000\000\320\062\376J\347\177\000", _M_allocated_capacity = 146}}, lastKey = {data = 0x7fe732766a80 <Address 0x7fe732766a80 out of bounds>, len = 33}, 
          clearBufOnRead = true, stopIteratorOnFind = false, 
          readUntilFn = {<std::_Maybe_unary_or_binary_function<bool, magma::Slice const&>> = {<std::unary_function<magma::Slice const&, bool>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, 
              static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7fe737966f60, _M_const_object = 0x7fe737966f60, _M_function_pointer = 0x7fe737966f60, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7fe737966f60, this adjustment 16}, _M_pod_data = "`o\226\067\347\177\000\000\020\000\000\000\000\000\000"}, _M_manager = 0x0}, 
            _M_invoker = 0x7fe737966f70}}
        sstableCfg = {Path = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7fe74afe30d0 ""}, _M_string_length = 0, {
              _M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, ReadOnly = false, BCache = 0x0, CacheDataBlocks = false, UseCompression = false, BlockSize = 4096, IndexBlockSize = 4096, 
          EnableFilePreallocation = false, CompressionAlgo = magma::Compression::LZ4, ReadAheadSize = 0, MaxIndexDepth = 2, 
          CompareIndexKey = {<std::_Maybe_unary_or_binary_function<int, magma::Slice const&, magma::Slice const&>> = {<std::binary_function<magma::Slice const&, magma::Slice const&, int>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x963b90 <magma::compareSlice(magma::Slice const&, magma::Slice const&)>, 
                  _M_const_object = 0x963b90 <magma::compareSlice(magma::Slice const&, magma::Slice const&)>, _M_function_pointer = 0x963b90 <magma::compareSlice(magma::Slice const&, magma::Slice const&)>, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x963b90 <magma::compareSlice(magma::Slice const&, magma::Slice const&)>, this adjustment 140631372345760}, 
                _M_pod_data = "\220;\226\000\000\000\000\000\240\061\376J\347\177\000"}, 
              _M_manager = 0x8e2c70 <std::_Function_handler<int (magma::Slice const&, magma::Slice const&), int (*)(magma::Slice const&, magma::Slice const&)>::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation)>}, _M_invoker = 0x8e2af0 <std::_Function_handler<int (magma::Slice const&, magma::Slice const&), int (*)(magma::Slice const&, magma::Slice const&)>::_M_invoke(std::_Any_data const&, magma::Slice const&, magma::Slice const&)>}, 
          CompareKey = {<std::_Maybe_unary_or_binary_function<int, magma::Slice const&, magma::Slice const&>> = {<std::binary_function<magma::Slice const&, magma::Slice const&, int>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x963b90 <magma::compareSlice(magma::Slice const&, magma::Slice const&)>, 
                  _M_const_object = 0x963b90 <magma::compareSlice(magma::Slice const&, magma::Slice const&)>, _M_function_pointer = 0x963b90 <magma::compareSlice(magma::Slice const&, magma::Slice const&)>, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x963b90 <magma::compareSlice(magma::Slice const&, magma::Slice const&)>}, _M_pod_data = "\220;\226", '\000' <repeats 12 times>}, 
              _M_manager = 0x8e2c70 <std::_Function_handler<int (magma::Slice const&, magma::Slice const&), int (*)(magma::Slice const&, magma::Slice const&)>::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation)>}, _M_invoker = 0x8e2af0 <std::_Function_handler<int (magma::Slice const&, magma::Slice const&), int (*)(magma::Slice const&, magma::Slice const&)>::_M_invoke(std::_Any_data const&, magma::Slice const&, magma::Slice const&)>}, 
          KeyStringer = {<std::_Maybe_unary_or_binary_function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, magma::Slice const&>> = {<std::unary_function<magma::Slice const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7fe74afe31c0, 
                  _M_const_object = 0x7fe74afe31c0, _M_function_pointer = 0x7fe74afe31c0, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7fe74afe31c0, this adjustment 140631094398464}, 
                _M_pod_data = "\300\061\376J\347\177\000\000\000\016m:\347\177\000"}, _M_manager = 0x0}, 
            _M_invoker = 0x92cc15 <std::_Function_handler<std::unique_ptr<magma::Magma::CompactionCallback, std::default_delete<magma::Magma::CompactionCallback> > (), magma::KVStore::makeGCContext(std::function<std::unique_ptr<magma::Magma::CompactionCallback, std::default_delete<magma::Magma::CompactionCallback> > (unsigned short)> const&)::{lambda(bool)#1}::operator()(bool) const::{lambda()#1}>::_M_manager(std::_Any_data&, magma::KVStore::makeGCContext(std::function<std::unique_ptr<magma::Magma::CompactionCallback, std::default_delete<magma::Magma::CompactionCallback> > (unsigned short)> const&)::{lambda(bool)#1}::operator()(bool) const::{lambda()#1} const&, std::_Manager_operation)+69>}, 
          EnableDirectIOWrite = false, EnableDirectIORead = false, WriterBufferSize = 524288, AlignBlocks = false, 
          ExtractOp = {<std::_Maybe_unary_or_binary_function<magma::Operation, magma::Slice const&>> = {<std::unary_function<magma::Slice const&, magma::Operation>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {
              static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x9a94a0 <magma::DefaultExtractOp(magma::Slice const&)>, _M_const_object = 0x9a94a0 <magma::DefaultExtractOp(magma::Slice const&)>, 
                  _M_function_pointer = 0x9a94a0 <magma::DefaultExtractOp(magma::Slice const&)>, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x9a94a0 <magma::DefaultExtractOp(magma::Slice const&)>, this adjustment 140631094398464}, 
                _M_pod_data = "\240\224\232\000\000\000\000\000\000\016m:\347\177\000"}, 
              _M_manager = 0x996d70 <std::_Function_handler<magma::Operation (magma::Slice const&), magma::Operation (*)(magma::Slice const&)>::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation)>}, 
            _M_invoker = 0x996bb0 <std::_Function_handler<magma::Operation (magma::Slice const&), magma::Operation (*)(magma::Slice const&)>::_M_invoke(std::_Any_data const&, magma::Slice const&)>}, 
          EstimateLogicalSize = {<std::_Maybe_unary_or_binary_function<unsigned long, magma::Slice const&, magma::Slice const&>> = {<std::binary_function<magma::Slice const&, magma::Slice const&, unsigned long>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x4d, _M_const_object = 0x4d, _M_function_pointer = 0x4d, 
                  _M_member_pointer = &virtual table offset 76, this adjustment 4}, _M_pod_data = "M\000\000\000\000\000\000\000\004\000\000\000\000\000\000"}, _M_manager = 0x0}, _M_invoker = 0x0}, 
          MakeUserStatsBuilder = {<std::_Maybe_unary_or_binary_function<std::unique_ptr<magma::SSTableUserStatsBuilder, std::default_delete<magma::SSTableUserStatsBuilder> >, std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > >> = {<std::unary_function<std::chrono::time_point<std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > >, std::unique_ptr<magma::SSTableUserStatsBuilder, std::default_delete<magma::SSTableUserStatsBuilder> > >> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {
                  _M_object = 0x7fe7d5707f50 <je_nallocx+128>, _M_const_object = 0x7fe7d5707f50 <je_nallocx+128>, _M_function_pointer = 0x7fe7d5707f50 <je_nallocx+128>, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7fe7d5707f50 <je_nallocx+128>, this adjustment 8692080}, _M_pod_data = "P\177p\325\347\177\000\000p\241\204\000\000\000\000"}, 
              _M_manager = 0x0}, _M_invoker = 0x1}, 
          Stats = {<std::__shared_ptr<magma::TableStats, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TableStats, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {
                _M_pi = 0x0}}, <No data fields>}, 
          BloomFilterHash = {<std::_Maybe_unary_or_binary_function<unsigned int, magma::Slice const&>> = {<std::unary_function<magma::Slice const&, unsigned int>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {
              static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x93fb50 <magma::MurmurHash(magma::Slice const&)>, _M_const_object = 0x93fb50 <magma::MurmurHash(magma::Slice const&)>, 
                  _M_function_pointer = 0x93fb50 <magma::MurmurHash(magma::Slice const&)>, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x93fb50 <magma::MurmurHash(magma::Slice const&)>, this adjustment 296}, 
                _M_pod_data = "P\373\223\000\000\000\000\000(\001\000\000\000\000\000"}, 
              _M_manager = 0x996db0 <std::_Function_handler<unsigned int (magma::Slice const&), unsigned int (*)(magma::Slice const&)>::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation)>}, 
            _M_invoker = 0x996bc0 <std::_Function_handler<unsigned int (magma::Slice const&), unsigned int (*)(magma::Slice const&)>::_M_invoke(std::_Any_data const&, magma::Slice const&)>}, 
          BufferAllocCallback = {<std::_Maybe_unary_or_binary_function<void, long>> = {<std::unary_function<long, void>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, 
              _M_functor = {_M_unused = {_M_object = 0x7fe74afe33f0, _M_const_object = 0x7fe74afe33f0, _M_function_pointer = 0x7fe74afe33f0, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7fe74afe33f0, this adjustment 140631372346000}, _M_pod_data = "\360\063\376J\347\177\000\000\220\062\376J\347\177\000"}, 
              _M_manager = 0x0}, _M_invoker = 0x7fe7375a7800}, 
          ReadAheadBufferAllocCallback = {<std::_Maybe_unary_or_binary_function<void, long>> = {<std::unary_function<long, void>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, 
              static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x5b6e8f <cb_malloc(size_t)+15>, _M_const_object = 0x5b6e8f <cb_malloc(size_t)+15>, _M_function_pointer = 0x5b6e8f <cb_malloc(size_t)+15>, 
                  _M_member_pointer = &virtual table offset 5992078, this adjustment 140630995465232}, _M_pod_data = "\217n[\000\000\000\000\000\020t\207\064\347\177\000"}, _M_manager = 0x0}, _M_invoker = 0x7fe74afe33f0}, FS = {
            MakeFile = {<std::_Maybe_unary_or_binary_function<std::unique_ptr<magma::File, std::default_delete<magma::File> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&>> = {<std::unary_function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<magma::File, std::default_delete<magma::File> > >> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {
                static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x945eb0 <magma::DefaultFileConstructor(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>, 
                    _M_const_object = 0x945eb0 <magma::DefaultFileConstructor(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>, 
                    _M_function_pointer = 0x945eb0 <magma::DefaultFileConstructor(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>, 
                    _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x945eb0 <magma::DefaultFileConstructor(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>, this adjustment 140633695086903}, _M_pod_data = "\260^\224\000\000\000\000\000\067ip\325\347\177\000"}, _M_manager = 0x94ab70
     <std::_Function_handler<std::unique_ptr<magma::File, std::default_delete<magma::File> > (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&), std::unique_ptr<magma::File, std::default_delete<magma::File> > (*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation)>}, 
              _M_invoker = 0x94aaf0 <std::_Function_handler<std::unique_ptr<magma::File, std::default_delete<magma::File> > (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&), std::unique_ptr<magma::File, std::default_delete<magma::File> > (*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>::_M_invoke(std::_Any_data const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>}, 
            MakeDirectory = {<std::_Maybe_unary_or_binary_function<std::unique_ptr<magma::Directory, std::default_delete<magma::Directory> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&>> = {<std::unary_function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::unique_ptr<magma::Directory, std::default_delete<magma::Directory> > >> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x9a5b80 <magma::DefaultDirectoryConstructor(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>, 
                    _M_const_object = 0x9a5b80 <magma::DefaultDirectoryConstructor(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>, 
                    _M_function_pointer = 0x9a5b80 <magma::DefaultDirectoryConstructor(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>, 
                    _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x9a5b80 <magma::DefaultDirectoryConstructor(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>, this adjustment 140633695086903}, _M_pod_data = "\200[\232\000\000\000\000\000\067ip\325\347\177\000"}, 
                _M_manager = 0x94abb0 <std::_Function_handler<std::unique_ptr<magma::Directory, std::default_delete<magma::Directory> > (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&), std::unique_ptr<magma::Directory, std::default_delete<magma::Directory> > (*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation)>}, 
              _M_invoker = 0x94ab10 <std::_Function_handler<std::unique_ptr<magma::Directory, std::default_delete<magma::Directory> > (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&), std::unique_ptr<magma::Directory, std::default_delete<magma::Directory> > (*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>::_M_invoke(std::_Any_data const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>}, 
            RemoveAll = {<std::_Maybe_unary_or_binary_function<magma::Status, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool>> = {<std::binary_function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool, magma::Status>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {
                    _M_object = 0x9471d0 <magma::DefaultFileRemover(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool)>, 
                    _M_const_object = 0x9471d0 <magma::DefaultFileRemover(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool)>, 
                    _M_function_pointer = 0x9471d0 <magma::DefaultFileRemover(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool)>, 
                    _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x9471d0 <magma::DefaultFileRemover(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool)>, this adjustment 140633695086903}, _M_pod_data = "\320q\224\000\000\000\000\000\067ip\325\347\177\000"}, 
                _M_manager = 0x94abf0 <std::_Function_handler<magma::Status (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool), magma::Status (*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool)>::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation)>}, 
              _M_invoker = 0x94ab30 <std::_Function_handler<magma::Status (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool), magma::Status (*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool)>::_M_invoke(std::_Any_data const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool&&)>}, 
            Rename = {<std::_Maybe_unary_or_binary_function<magma::Status, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&>> = {<std::binary_function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, magma::Status>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {
                    _M_object = 0x946300 <magma::DefaultFileRenamer(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>, 
                    _M_const_object = 0x946300 <magma::DefaultFileRenamer(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>, _M_function_pointer = 0x946300 <magma::DefaultFileRenamer(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>, 
                    _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x946300 <magma::DefaultFileRenamer(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>, this adjustment 140630971831840}, _M_pod_data = "\000c\224\000\000\000\000\000 \326\036\063\347\177\000"}, 
                _M_manager = 0x94ac30 <std::_Function_handler<magma::Status (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&), magma::Status (*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>::_M_manager(std::_Any_data&, std::_Any_data const&, std::_Manager_operation)>}, 
              _M_invoker = 0x94ab50 <std::_Function_handler<magma::Status (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&), magma::Status (*)(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>::_M_invoke(std::_Any_data const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)>}}}
        writer = {_M_t = {<std::__uniq_ptr_impl<magma::SSTableWriter, std::default_delete<magma::SSTableWriter> >> = {
              _M_t = {<std::_Tuple_impl<0, magma::SSTableWriter*, std::default_delete<magma::SSTableWriter> >> = {<std::_Tuple_impl<1, std::default_delete<magma::SSTableWriter> >> = {<std::_Head_base<1, std::default_delete<magma::SSTableWriter>, true>> = {<std::default_delete<magma::SSTableWriter>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::SSTableWriter*, false>> = {
                    _M_head_impl = 0x7fe738426680}, <No data fields>}, <No data fields>}}, <No data fields>}}
        tryFinalizeSSTable = {__writer = @0x7fe74afe2e88, __merger = <optimized out>, __maxSSTableSize = <optimized out>, __status = @0x7fe74afe3540, __this = <optimized out>, __outputList = <optimized out>}
#17 0x000000000096c2c3 in magma::LSMTree::compactLevelForInputs(int, int, std::unique_lock<std::mutex>&, std::vector<std::shared_ptr<magma::Table>, std::allocator<std::shared_ptr<magma::Table> > >&, std::vector<std::shared_ptr<magma::Table>, std::allocator<std::shared_ptr<magma::Table> > >&, bool, std::function<std::unique_ptr<magma::GCContext, std::default_delete<magma::GCContext> > (bool)>) ()
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/compaction.cc:174
        std::__ioinit = {static _S_refcount = 0, static _S_synced_with_stdio = true}
#18 0x000000000096ed1a in magma::LSMTree::compactLevel(int, std::unique_lock<std::mutex>&, bool, std::function<std::unique_ptr<magma::GCContext, std::default_delete<magma::GCContext> > (bool)>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
        std::__ioinit = {static _S_refcount = 0, static _S_synced_with_stdio = true}
#19 0x000000000096efac in magma::LSMTree::compact(std::unique_lock<std::mutex>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/compaction.cc:345
        std::__ioinit = {static _S_refcount = 0, static _S_synced_with_stdio = true}
#20 0x0000000000988f28 in doCompactionWork (this=0x7fe736fcd000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:357
        lock = {_M_device = 0x7fe736fcd0f0, _M_owns = false}
#21 operator() (__closure=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:367
        this = <optimized out>
#22 __invoke_impl<void, magma::LSMTree::queueCompaction()::<lambda()>&> (__f=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60
No locals.
#23 __invoke_r<void, magma::LSMTree::queueCompaction()::<lambda()>&> (__fn=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:110
No locals.
#24 std::_Function_handler<void (), magma::LSMTree::queueCompaction()::{lambda()#1}>::_M_invoke(std::_Any_data const&) () at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:291
No locals.
#25 0x0000000000957e8d in operator() (this=0x7fe7391c20d8) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#26 magma::TimedTask::Complete(bool) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:144
        wg = 0x7fe736fcd350
        envGuard = {previous = 0x0}
        currTask = {<std::__shared_ptr<magma::Task, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::Task, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7fe7391c20d0, _M_refcount = {
              _M_pi = 0x7fe7391c20c0}}, <No data fields>}
#27 0x0000000000959681 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:161
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7fe7ac572e20, _M_refcount = {
              _M_pi = 0x7fe7ac572e10}}, <No data fields>}
        worker = 0x7fe7c45d5900
#28 0x0000000000b14a09 in run (this=0x7fe7d2549d40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#29 platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#30 0x00007fe7d6209ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#31 0x00007fe7d3b328dd in clone () from /lib64/libc.so.6
No symbol table info available.
No core file now.