parse "gopher://null.host:0/2k\xad\x823\x9d\xf7\xbf\a?`T \xb1<09\x1dG\x00FU\xbc5\xbd\xf8y\xc08\xd7\xc4/<\x15\x1fW\xc6p\x81\x91$\x99\xe2Zp\xa2N\xa2&\xb1\x81&i\xe5\v\xdac": net/url: invalid control character in URL