Function serve_rpc_impl 

async fn serve_rpc_impl<Incoming, H>(incoming: Incoming, server: H)
where
    Incoming: Stream<Item = Result<Transport<UnixStream, ClientMessage<HermitRequest>, Response<HermitResponse>, Codec<ClientMessage<HermitRequest>, Response<HermitResponse>>>>>,
    H: Hermit + Clone + Send,

Available on crate feature server only.