parse "gopher://null.host:0/W\xef)K\xba\x19\xb8G\x9a\xca\xc8\x1a\x178\x8f\xe4\xe8b\xbeq\xa7\xbc\xe8v<\xa5\xf4\xe0V>\x8av\x02=\xd8\x13?": net/url: invalid control character in URL