parse "gopher://null.host:0/ÒWC\xd7\x02A\xd3\xda\xe8\xc1r|\xb5BS\xc2@\x9f\x88\xd4\b\xf5\xa8\xcd]\xb3\xe3\x19\xfa\xfd{": net/url: invalid control character in URL