parse "gopher://null.host:0/t\x18`\xacӿ\x88?\xe1勯\vuW\xf0\xcfV\xc8\x1a$\xf6\x99\x8c\x01\x13\xcf\x11\xe3\xf5\xa1\x13yM\xf6\xa5\xd1^": net/url: invalid control character in URL