parse "gopher://null.host:0/6M\rzc\x9c\xd4x`\xc7ww\xb9ѳY\x17SW\xc0\xcd\xda.A\x17\xfd\xa2t\x06D\xac\xbb-\xee\xb2yn\xf5K\xb7)B\xb8": net/url: invalid control character in URL