parse "gopher://\xdc\xfdT\xf7Y\xeb\xb6\xcb\xf0,0\xec\u007f\x8c\x83\xec\x12w\xe7\xffa\x8f\xc9\xff\xc3\x1e% \x00@\x95g\x96\xc1\xfd\xdf'+/\x10\b2\x04\x82\x00\x81@\xfd\xaf\xfd\xaf\a\x93\x1bN\xd5(U\xcd\xf6": net/url: invalid control character in URL