parse "gopher://null.host:0/ß@\xc8\rTC\b\xc4\x1d.\xea\xf4\xe00P\xb7o\x8f\x9a\x95\uf8b6\x982S\xc2UT\xea\xb8\x04W\xa5\xa2w\xe6z\xba": net/url: invalid control character in URL