magma crashed during upgrade from 7.1.0 to 7.2.0.

Service 'memcached' exited with status 134. Restarting. Messages:

#8 /opt/couchbase/bin/../lib/libstdc++.so.6() [0x7f91e24b5000+0xa48f6]

#9 /opt/couchbase/bin/../lib/libstdc++.so.6() [0x7f91e24b5000+0xa4961]

#10 /opt/couchbase/bin/../lib/libstdc++.so.6() [0x7f91e24b5000+0xa4bf4]

#11 /opt/couchbase/bin/../lib/libstdc++.so.6(_ZSt24__throw_invalid_argumentPKc+0x35) [0x7f91e24b5000+0x9be82]

#12 /opt/couchbase/bin/memcached(_ZN9__gnu_cxx6__stoaIyycJiEEET0_PFT_PKT1_PPS3_DpT2_EPKcS5_PmS9_+0x8d) [0x400000+0x2bbb8d]

#13 /opt/couchbase/bin/memcached() [0x400000+0x64371d]

#14 /opt/couchbase/bin/memcached() [0x400000+0x643baf]

#15 /opt/couchbase/bin/memcached() [0x400000+0x643f72]

#16 /opt/couchbase/bin/memcached() [0x400000+0x65c705]

#17 /opt/couchbase/bin/memcached() [0x400000+0x5e4068]

#18 /opt/couchbase/bin/memcached() [0x400000+0x5e59e1]

#19 /opt/couchbase/bin/memcached() [0x400000+0x77fa4c]

#20 /opt/couchbase/bin/../lib/libstdc++.so.6() [0x7f91e24b5000+0xcdd40]

#21 /lib64/libpthread.so.0() [0x7f91e2f7d000+0x7ea5]

#22 /lib64/libc.so.6(clone+0x6d) [0x7f91e1bcd000+0xfe8dd]

#0  0x00007fcd26e30387 in raise () from /lib64/libc.so.6

#1  0x00007fcd26e31a78 in abort () from /lib64/libc.so.6

#2  0x00007fcd277887f2 in __gnu_cxx::__verbose_terminate_handler() () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/vterminate.cc:50

#3  0x0000000000b1dc26 in backtrace_terminate_handler() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/terminate_handler.cc:88

#4  0x00007fcd277868f6 in __cxxabiv1::__terminate(void (*)()) () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:48

#5  0x00007fcd27786961 in std::terminate () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_terminate.cc:58

#6  0x00007fcd27786bf4 in __cxxabiv1::__cxa_throw (obj=obj@entry=0x7fc8f4000940, tinfo=0x10fc908 <typeinfo for std::invalid_argument>, 

    dest=0x4469d0 <_ZNSt16invalid_argumentD1Ev@plt>) at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/libsupc++/eh_throw.cc:95

#7  0x00007fcd2777de82 in std::__throw_invalid_argument (__s=__s@entry=0xc9e2cf "stoull")

    at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/functexcept.cc:74

#8  0x00000000006bbb8d in __gnu_cxx::__stoa<unsigned long long, unsigned long long, char, int> (__convf=0x447980 <strtoull@plt>, 

    __name=__name@entry=0xc9e2cf "stoull", __str=0x7fcd1c281000 <Address 0x7fcd1c281000 out of bounds>, __idx=__idx@entry=0x0)

    at /opt/gcc-10.2.0/include/c++/10.2.0/ext/string_conversions.h:54

#9  0x0000000000a4371d in stoull (__base=10, __idx=0x0, __str=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/basic_string.h:6567

#10 magma::SSTable::readMetaBlock(magma::SSTableFooter const&, magma::ReaderStats&) ()

    at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/sstable/sstable.cc:590

#11 0x0000000000a43baf in magma::SSTable::init(magma::ReaderStats&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/sstable/sstable.cc:472

#12 0x0000000000a43f72 in magma::SSTable::Open(magma::ReaderStats&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/sstable/sstable.cc:203

#13 0x0000000000a5c705 in operator() (__closure=0x7fcd1c1624e0) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:779

#14 __invoke_impl<void, magma::SSTableLoader::Load()::<lambda()>&> (__f=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60

#15 __invoke_r<void, magma::SSTableLoader::Load()::<lambda()>&> (__fn=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:110

#16 std::_Function_handler<void (), magma::SSTableLoader::Load()::{lambda()#1}>::_M_invoke(std::_Any_data const&) ()

    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:291

#17 0x00000000009e4068 in operator() (this=0x7fcd1c15d940) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248

#18 magma::TimedTask::Complete(bool) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:156

#19 0x00000000009e59e1 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:178

#20 0x0000000000b7fa4c in operator() (this=0x7fcd1c1576e8) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248

#21 operator() (__closure=0x7fcd1c1576c8) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:117

#22 __invoke_impl<void, create_thread(std::function<void()>, std::string)::<lambda()> > (

    __f=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.2.0-1701.x86_64.debug, CU 0xb4077c3, DIE 0xb42576a>)

    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60

#23 __invoke<create_thread(std::function<void()>, std::string)::<lambda()> > (

    __fn=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.2.0-1701.x86_64.debug, CU 0xb4077c3, DIE 0xb425748>)

    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:95

#24 _M_invoke<0> (this=0x7fcd1c1576c8) at /opt/gcc-10.2.0/include/c++/10.2.0/thread:264

#25 operator() (this=0x7fcd1c1576c8) at /opt/gcc-10.2.0/include/c++/10.2.0/thread:271

#26 std::thread::_State_impl<std::thread::_Invoker<std::tuple<create_thread(std::function<void()>, std::string)::<lambda()> > > >::_M_run(void) (

    this=0x7fcd1c1576c0) at /opt/gcc-10.2.0/include/c++/10.2.0/thread:215

#27 0x00007fcd277afd40 in execute_native_thread_routine () at /tmp/deploy/objdir/../gcc-10.2.0/libstdc++-v3/src/c++11/thread.cc:80

#28 0x00007fcd281b1ea5 in start_thread () from /lib64/libpthread.so.0

#29 0x00007fcd26ef88dd in clone () from /lib64/libc.so.6