parse "gopher://null.host:0/H\x9f\xad\xaeicz\x15g\xae\x85Ji\xbc܀\xacL=Q\x1dP\x1c;4\x8d0{\x18!3\xfb^X\x93b\xa5qR\x85\xf5k\xa5P\xc5^\x94_\xeb8fg[(D": net/url: invalid control character in URL