Deprecation warning about implicit copy constructor

[Michael Jones]

D:/builds/turtle/include\turtle/detail/expectation_template.hpp:158:9: warning: definition of implicit copy constructor for 'expectation<TYPE_T ()>' is deprecated because it has a user-declared destructor [-Wdeprecated-copy-dtor]
~expectation()
^
D:/builds/linuxhost/linux64/10.2.0/x86_64/lib/gcc/x86_64-i3linuxhost-linux-gnu/10.2.0/../../../../x86_64-i3linuxhost-linux-gnu/include/c++/10.2.0\ext/new_allocator.h:150:23: note: in implicit copy constructor for 'mock::detail::expectation<TYPE_T ()>' first required here
{ ::new((void )__p) _Up(std::forward<_Args>(__args)...); }
^
D:/builds/linuxhost/linux64/10.2.0/x86_64/lib/gcc/x86_64-i3linuxhost-linux-gnu/10.2.0/../../../../x86_64-i3linuxhost-linux-gnu/include/c++/10.2.0\bits/alloc_traits.h:512:8: note: in instantiation of function template specialization '__gnu_cxx::new_allocator<std::_List_node<mock::detail::expectation<TYPE_T ()> > >::construct<mock::detail::expectation<TYPE_T ()>, mock::detail::expectation<TYPE_T ()> >' requested here
__a.construct(__p, std::forward<_Args>(__args)...);
^
D:/builds/linuxhost/linux64/10.2.0/x86_64/lib/gcc/x86_64-i3linuxhost-linux-gnu/10.2.0/../../../../x86_64-i3linuxhost-linux-gnu/include/c++/10.2.0\bits/stl_list.h:637:24: note: in instantiation of function template specialization 'std::allocator_traits<std::allocator<std::_List_node<mock::detail::expectation<TYPE_T ()> > > >::construct<mock::detail::expectation<TYPE_T ()>, mock::detail::expectation<TYPE_T ()> >' requested here
_Node_alloc_traits::construct(__alloc, __p->_M_valptr(),
^
D:/builds/linuxhost/linux64/10.2.0/x86_64/lib/gcc/x86_64-i3linuxhost-linux-gnu/10.2.0/../../../../x86_64-i3linuxhost-linux-gnu/include/c++/10.2.0\bits/stl_list.h:1911:18: note: in instantiation of function template specialization 'std::__cxx11::list<mock::detail::expectation<TYPE_T ()>, std::allocator<mock::detail::expectation<TYPE_T ()> > >::_M_create_node<mock::detail::expectation<TYPE_T ()> >' requested here
_Node __tmp = _M_create_node(std::forward<_Args>(__args)...);
^
D:/builds/linuxhost/linux64/10.2.0/x86_64/lib/gcc/x86_64-i3linuxhost-linux-gnu/10.2.0/../../../../x86_64-i3linuxhost-linux-gnu/include/c++/10.2.0\bits/stl_list.h:1217:15: note: in instantiation of function template specialization 'std::__cxx11::list<mock::detail::expectation<TYPE_T ()>, std::allocator<mock::detail::expectation<TYPE_T ()> > >::_M_insert<mock::detail::expectation<TYPE_T ()> >' requested here
{ this->_M_insert(end(), std::move(__x)); }
^
D:/builds/turtle/include\turtle/detail/function_impl_template.hpp:217:27: note: in instantiation of member function 'std::cxx11::list<mock::detail::expectation<TYPE_T ()>, std::allocator<mock::detail::expectation<TYPE_T ()> > >::push_back' requested here
expectations.push_back( expectation_type( file, line ) );
^
D:/builds/turtle/include\turtle/detail/function_template.hpp:67:27: note: in instantiation of member function 'mock::detail::function_impl<TYPE_T ()>::expect' requested here
return impl->expect( file, line );
^
test_connection_management.cpp:437:17: note: in instantiation of member function 'mock::detail::function<TYPE_T ()>::expect' requested here
MOCK_EXPECT(pTran->on_timeout).never();
^
D:/builds/turtle/include\turtle/mock.hpp:249:39: note: expanded from macro 'MOCK_EXPECT'
#define MOCK_EXPECT(t) MOCK_HELPER(t).expect( FILE, LINE )
^