#0  0x00007f5a3fbf7387 in raise () from /lib64/libc.so.6
#1  0x00007f5a3fbf8a78 in abort () from /lib64/libc.so.6
#2  0x00007f5a4075e63c in __gnu_cxx::__verbose_terminate_handler () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/vterminate.cc:95
#3  0x00000000005c434f in backtrace_terminate_handler() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/terminate_handler.cc:93
#4  0x00007f5a407698f6 in __cxxabiv1::__terminate(void (*)()) () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:48
#5  0x00007f5a40769961 in std::terminate () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:58
#6  0x00007f5a40769bf4 in __cxxabiv1::__cxa_throw (obj=obj@entry=0x7f59b0000940, tinfo=tinfo@entry=0x7f5a446cc228 <typeinfo for boost::exception_detail::error_info_injector<std::underflow_error>>, 
    dest=dest@entry=0x7f5a440c8350 <boost::exception_detail::error_info_injector<std::underflow_error>::~error_info_injector()>) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_throw.cc:95
#7  0x00007f5a440cb4b1 in cb::throwWithTrace<std::underflow_error> (exception=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/boost.exploded/include/boost/exception/info.hpp:129
#8  0x00007f5a4405c362 in cb::ThrowExceptionUnderflowPolicy<unsigned long>::underflow (current=140023936307584, arg=<optimized out>, desired=<optimized out>, this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/gsl-lite/include/gsl/gsl-lite.hpp:674
#9  0x00007f5a44241a81 in fetch_sub (arg=<optimized out>, this=<optimized out>) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/atomic_base.h:116
#10 decrDirtyQueuePendingWrites (decrementBy=<optimized out>, this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucket.cc:3180
#11 VBucket::doAggregatedFlushStats (this=this@entry=0x7f5850347800, aggStats=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucket.cc:727
#12 0x00007f5a4416bb67 in EPBucket::flushSuccessEpilogue (this=0x7f5852870000, vb=..., flushStart=..., itemsFlushed=<optimized out>, aggStats=..., collectionFlush=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:859
#13 0x00007f5a44170f80 in EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucket.h:2548
#14 0x00007f5a4417116f in EPBucket::flushVBucket(Vbid) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:368
#15 0x00007f5a441cf3c0 in Flusher::flushVB() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:302
#16 0x00007f5a441cfe89 in Flusher::step(GlobalTask*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:205
#17 0x00007f5a441d2347 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/globaltask.cc:74
#18 0x00007f5a441cd210 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}::operator()() const (__closure=0x7f59dcfbde30) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:196
#19 0x00007f5a441cd210 in FollyExecutorPool::TaskProxy::timeoutExpired (this=<optimized out>) from /opt/couchbase/bin/../lib/libep.so
#20 0x00007f5a44369120 in operator() (this=0x7f59dcfbde30) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
#21 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=0x7f5a3aa34800, thread=..., task=<unknown type in /usr/lib/debug/opt/couchbase/lib/libep.so.debug, CU 0x3feb4d6, DIE 0x4031941>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
#22 0x00007f5a44350dfa in folly::CPUThreadPoolExecutor::threadRun (this=0x7f5a3aa34800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
#23 0x00007f5a4436c0d9 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:73
#24 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
#25 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
#26 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
#27 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
#28 0x00007f5a441cbc4d in operator() (this=0x7f5a380ae4c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
#29 operator() (__closure=0x7f5a380ae4c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
#30 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
#31 0x00007f5a40792d40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
#32 0x00007f5a3ff96ea5 in start_thread () from /lib64/libpthread.so.0
#33 0x00007f5a3fcbf8dd in clone () from /lib64/libc.so.6
#0  0x00007f5a3fbf7387 in raise () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f5a3fbf8a78 in abort () from /lib64/libc.so.6
No symbol table info available.
#2  0x00007f5a4075e63c 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  0x00000000005c434f in backtrace_terminate_handler() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/terminate_handler.cc:93
No locals.
#4  0x00007f5a407698f6 in __cxxabiv1::__terminate(void (*)()) () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:48
No locals.
#5  0x00007f5a40769961 in std::terminate () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:58
No locals.
#6  0x00007f5a40769bf4 in __cxxabiv1::__cxa_throw (obj=obj@entry=0x7f59b0000940, tinfo=tinfo@entry=0x7f5a446cc228 <typeinfo for boost::exception_detail::error_info_injector<std::underflow_error>>, 
    dest=dest@entry=0x7f5a440c8350 <boost::exception_detail::error_info_injector<std::underflow_error>::~error_info_injector()>) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_throw.cc:95
        globals = <optimized out>
        header = 0x7f59b00008c0
#7  0x00007f5a440cb4b1 in cb::throwWithTrace<std::underflow_error> (exception=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/boost.exploded/include/boost/exception/info.hpp:129
No locals.
#8  0x00007f5a4405c362 in cb::ThrowExceptionUnderflowPolicy<unsigned long>::underflow (current=140023936307584, arg=<optimized out>, desired=<optimized out>, this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/third_party/gsl-lite/include/gsl/gsl-lite.hpp:674
No locals.
#9  0x00007f5a44241a81 in fetch_sub (arg=<optimized out>, this=<optimized out>) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/atomic_base.h:116
        current = <optimized out>
        desired = <optimized out>
#10 decrDirtyQueuePendingWrites (decrementBy=<optimized out>, this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucket.cc:3180
No locals.
#11 VBucket::doAggregatedFlushStats (this=this@entry=0x7f5850347800, aggStats=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucket.cc:727
        numItems = <optimized out>
#12 0x00007f5a4416bb67 in EPBucket::flushSuccessEpilogue (this=0x7f5852870000, vb=..., flushStart=..., itemsFlushed=<optimized out>, aggStats=..., collectionFlush=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:859
        transTime = <optimized out>
#13 0x00007f5a44170f80 in EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucket.h:2548
        cb::userdataStartTag = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        aliveVBStates = {bits = {<std::_Base_bitset<1>> = {_M_w = 0}, <No data fields>}}
        cb::userdataEndTag = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        globalBucketLoggerName = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        NoopSyncWriteCompleteCb = {<std::_Maybe_unary_or_binary_function<void, void const*, cb::engine_errc>> = {<std::binary_function<void const*, cb::engine_errc, 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 = 0x0, _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, _M_pod_data = '\000' <repeats 15 times>}, _M_manager = 0x0}, _M_invoker = 0x0}
        NoopSeqnoAckCb = {<std::_Maybe_unary_or_binary_function<void, Vbid, long>> = {<std::binary_function<Vbid, 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 = 0x0, 
                _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, _M_pod_data = '\000' <repeats 15 times>}, _M_manager = 0x0}, _M_invoker = 0x0}
        std::__ioinit = {static _S_refcount = 0, static _S_synced_with_stdio = true}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_alloc_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_exception_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        flatbuffers::flatbuffer_version_string = 0x3dd7d5 <Address 0x3dd7d5 out of bounds>
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_32 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000}
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_64 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000, 10000000000, 100000000000, 1000000000000, 10000000000000, 100000000000000, 1000000000000000, 10000000000000000, 100000000000000000, 1000000000000000000, 
          10000000000000000000}
        fmt::v5::internal::basic_data<void>::DIGITS = "00010203040506070809101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899"
#14 0x00007f5a4417116f in EPBucket::flushVBucket(Vbid) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:368
        cb::userdataStartTag = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        aliveVBStates = {bits = {<std::_Base_bitset<1>> = {_M_w = 0}, <No data fields>}}
        cb::userdataEndTag = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        globalBucketLoggerName = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x0}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}
        NoopSyncWriteCompleteCb = {<std::_Maybe_unary_or_binary_function<void, void const*, cb::engine_errc>> = {<std::binary_function<void const*, cb::engine_errc, 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 = 0x0, _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, _M_pod_data = '\000' <repeats 15 times>}, _M_manager = 0x0}, _M_invoker = 0x0}
        NoopSeqnoAckCb = {<std::_Maybe_unary_or_binary_function<void, Vbid, long>> = {<std::binary_function<Vbid, 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 = 0x0, 
                _M_const_object = 0x0, _M_function_pointer = 0x0, _M_member_pointer = NULL}, _M_pod_data = '\000' <repeats 15 times>}, _M_manager = 0x0}, _M_invoker = 0x0}
        std::__ioinit = {static _S_refcount = 0, static _S_synced_with_stdio = true}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_alloc_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        boost::exception_detail::exception_ptr_static_exception_object<boost::exception_detail::bad_exception_>::e = {ptr_ = {px = 0x0, pn = {pi_ = 0x0}}}
        flatbuffers::flatbuffer_version_string = 0x3dd7d5 <Address 0x3dd7d5 out of bounds>
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_32 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000}
        fmt::v5::internal::basic_data<void>::POWERS_OF_10_64 = {0, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000, 10000000000, 100000000000, 1000000000000, 10000000000000, 100000000000000, 1000000000000000, 10000000000000000, 100000000000000000, 1000000000000000000, 
          10000000000000000000}
        fmt::v5::internal::basic_data<void>::DIGITS = "00010203040506070809101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899"
#15 0x00007f5a441cf3c0 in Flusher::flushVB() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:302
        vbid = {vbid = 852}
#16 0x00007f5a441cfe89 in Flusher::step(GlobalTask*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:205
        more = <optimized out>
        currentState = Flusher::Running
#17 0x00007f5a441d2347 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/globaltask.cc:74
        guard = {previous = 0x0}
#18 0x00007f5a441cd210 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}::operator()() const (__closure=0x7f59dcfbde30) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:196
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 8819178764908503}}
        runAgain = false
        proxy = @0x7f5a38038460: <error reading variable>
#19 0x00007f5a441cd210 in FollyExecutorPool::TaskProxy::timeoutExpired (this=<optimized out>) from /opt/couchbase/bin/../lib/libep.so
No locals.
#20 0x00007f5a44369120 in operator() (this=0x7f59dcfbde30) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f59dcfbde30: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f5a38038460, tiny = {
              __data = "`\204\003\070Z\177\000\000\000\000\000\000\000\000\000\000\060tE?Z\177\000\000\324\344\000\000\000\000\000\000\240\001\000\000\000\000\000\000\000\337\373\334Y\177\000", __align = {<No data fields>}}}, 
          call_ = 0x7f5a441cd9a0 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Data&)>, 
          exec_ = 0x7f5a441cac10 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#1}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#21 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=0x7f5a3aa34800, thread=..., task=<unknown type in /usr/lib/debug/opt/couchbase/lib/libep.so.debug, CU 0x3feb4d6, DIE 0x4031941>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 8819178764903222}}
        stats = {expired = false, waitTime = {__r = 1268640377}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 8819177496262845}}, requestId = 0}
#22 0x00007f5a44350dfa in folly::CPUThreadPoolExecutor::threadRun (this=0x7f5a3aa34800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0x7f5a443e3033 "CPUThreadPoolExecutor", e_ = 0x7f5a443e3048 ""}}}}
#23 0x00007f5a4436c0d9 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>)
    at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#24 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#25 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#26 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#27 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#28 0x00007f5a441cbc4d in operator() (this=0x7f5a380ae4c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
        fn = @0x7f5a380ae4c0: <error reading variable>
#29 operator() (__closure=0x7f5a380ae4c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/folly_executorpool.cc:54
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f59dcfbdfa0 "WriterPool1"}, _M_string_length = 11, {
                  _M_local_buf = "WriterPool1\000\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = <error reading variable func (Cannot access memory at address 0x7f5a380ae4c0)>
#30 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f5a380ae4c0: <error reading variable>
#31 0x00007f5a40792d40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80
No locals.
#32 0x00007f5a3ff96ea5 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#33 0x00007f5a3fcbf8dd in clone () from /lib64/libc.so.6
No symbol table info available.