parse "gopher://null.host:0/Ù3f)L\x82w1w\xfd\x1b\xd7I\xae\xbf\xee^Ю\xf7\xfeR\xbb\xfeN\xef MM \x83;\x8e\xc1}\x85\xc1m\xad\x84\xfb\x1b\fBV\xce": net/url: invalid control character in URL