parse "gopher://null.host:0/á\x9ajBXoI\x9d\x11x\xd6Tj*\x8d\x89_$\xdfm\xfc\x15Uۼ\xc9\xf6f\xff=c\x90)\xebo\xa6\xd2\xfe\xed\x95": net/url: invalid control character in URL