parse "gopher://\x8am\x83xV\x1c\x9c\xac\x13G}\x9a\x85\xa50Xv\x12\u007f\x89\xe3P\xb8P^\x04\xd1ozV\xd2*\xb6\vL\x80\\\x82\xaa/": net/url: invalid control character in URL