parse "gopher://null.host:0/Z\x98;\xd9\xd0)&\xe4\xda\xf7w\xe4\x93c\x12\xb5^KO*\x15N\xe3\x8d\x10\x9fK/\x81T\x92\x9c\xe0\xb8\xd4": net/url: invalid control character in URL