parse "gopher://null.host:0/ \xc1\xad\xb8\x87\v\xd3\xe5\xfd\xf2b\u007f\x9f1\x979\xa5B y5\xfe\x8747֧\xb9Kɖ&$\xe4\xaag\x86P\x80": net/url: invalid control character in URL