parse "gopher://null.host:0/N-\xb2\x9c\xab\xb6G/\xb9A\x9c}8\xc8\xdd\x18\x10\xbbI\xe35\xc9\xcdbW-f\x89\xf0\x97\xa5w:\xf2\r5\xccL[Eւ\xb1\xe0\x1a\xe0`": net/url: invalid control character in URL