parse "gopher://null.host:0/xP6Z\x15^\xb7\xe1o\x82u\xb3\xb7q\xc3VG\x9f'\x99\xdcH\x96v\xf0\xae$\x8f\x9fJv\xb7V\xe4U\xe7\xbd\x1a\xa4\xae\xfb\xc8\xdd:GI\xa4\xcb\xf4\xe2ï[}!\x91\xb1\xc7": net/url: invalid control character in URL