parse "gopher://null.host:0/\x7f\xa3\xca\xcd{([\xae«\xec\x1cL\x1f\xd6L{5\x9ae\xf0\x18\x87[\x1fl\xecI\xc6`\xe8\xef܀\xc7LN\xf7\xd3?D<35\xd0": net/url: invalid control character in URL