Impossible to connect signal to noexcept pmf

/home/eric/Qt/5.7/gcc_64/include/QtCore/qobject.h:306:9: error: static_assert failed "Signal and slot arguments are not compatible." [clang-diagnostic-error]
        Q_STATIC_ASSERT_X((FunctorArgumentCount >= 0),
        ^
/home/eric/Qt/5.7/gcc_64/include/QtCore/qglobal.h:746:47: note: expanded from macro 'Q_STATIC_ASSERT_X'
#define Q_STATIC_ASSERT_X(Condition, Message) static_assert(bool(Condition), Message)
                                              ^
/home/eric/jenkins/workspace/PhysioFlow/software/staticAnalysis/Clang-Tidy/Core/../Common/rpcsocket.cpp:13:5: note: in instantiation of function template specialization 'QObject::connect<void (QIODevice::*)(), void (RPCSocket::*)() noexcept>' requested here
    connect(socket, &QIODevice::readyRead, this, &RPCSocket::clientData);
    ^
/home/eric/Qt/5.7/gcc_64/include/QtCore/qobjectdefs_impl.h:501:13: error: called object type 'void (RPCSocket::*)() noexcept' is not a function or function pointer [clang-diagnostic-error]
            f((*reinterpret_cast<typename RemoveRef<SignalArgs>::Type *>(arg[II+1]))...), ApplyReturnValue<R>(arg[0]);
            ^
/home/eric/Qt/5.7/gcc_64/include/QtCore/qobjectdefs_impl.h:558:79: note: in instantiation of member function 'QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, void (RPCSocket::*)() noexcept>::call' requested here
            FunctorCall<typename Indexes<N>::Value, SignalArgs, R, Function>::call(f, arg);
                                                                              ^
/home/eric/Qt/5.7/gcc_64/include/QtCore/qobject_impl.h:198:36: note: in instantiation of function template specialization 'QtPrivate::Functor<void (RPCSocket::*)() noexcept, 0>::call<QtPrivate::List<>, void>' requested here
                FuncType::template call<Args, R>(static_cast<QFunctorSlotObject*>(this_)->function, r, a);
                                   ^
/home/eric/Qt/5.7/gcc_64/include/QtCore/qobject_impl.h:207:71: note: in instantiation of member function 'QtPrivate::QFunctorSlotObject<void (RPCSocket::*)() noexcept, 0, QtPrivate::List<>, void>::impl' requested here
        explicit QFunctorSlotObject(const Func &f) : QSlotObjectBase(&impl), function(f) {}
                                                                      ^
/home/eric/Qt/5.7/gcc_64/include/QtCore/qobject.h:344:32: note: in instantiation of member function 'QtPrivate::QFunctorSlotObject<void (RPCSocket::*)() noexcept, 0, QtPrivate::List<>, void>::QFunctorSlotObject' requested here
                           new QtPrivate::QFunctorSlotObject<Func2, SlotArgumentCount,
                               ^
/home/eric/jenkins/workspace/PhysioFlow/software/staticAnalysis/Clang-Tidy/Core/../Common/rpcsocket.cpp:13:5: note: in instantiation of function template specialization 'QObject::connect<void (QIODevice::*)(), void (RPCSocket::*)() noexcept>' requested here
    connect(socket, &QIODevice::readyRead, this, &RPCSocket::clientData);
    ^
/home/eric/Qt/5.7/gcc_64/include/QtCore/qobjectdefs_impl.h:632:42: error: member reference base type 'void (RPCSocket::*)() noexcept' is not a structure or union [clang-diagnostic-error]
        typedef decltype(dummy<Functor>().operator()((dummy<ArgList>())...)) Value;
                                         ^
/home/eric/Qt/5.7/gcc_64/include/QtCore/qobject.h:309:37: note: in instantiation of template class 'QtPrivate::FunctorReturnType<void (RPCSocket::*)() noexcept, QtPrivate::List<> >' requested here
        typedef typename QtPrivate::FunctorReturnType<Func2, typename QtPrivate::List_Left<typename SignalType::Arguments, SlotArgumentCount>::Value>::Value SlotReturnType;
                                    ^
/home/eric/jenkins/workspace/PhysioFlow/software/staticAnalysis/Clang-Tidy/Core/../Common/rpcsocket.cpp:13:5: note: in instantiation of function template specialization 'QObject::connect<void (QIODevice::*)(), void (RPCSocket::*)() noexcept>' requested here
    connect(socket, &QIODevice::readyRead, this, &RPCSocket::clientData);