parse "gopher://\x87\xc8\r\xb0/<\xc7\x17\xee\x89\x0e\xb8\x1f\x97Y\x1an\xd1\x1f\xb5τ\x9e\xe9B\xcd\x01\xa5\x01\x85\xed|\rzD\xdc\u007f\x04\x9b\xd0^\x83\xcf-\xc1\x18^h\xc71\x1c": net/url: invalid control character in URL