message: doc(deprecated) Fix an code example in a `README.md`.
diff: @@ -78,7 +78,7 @@ static WASM: &'static [u8] = &[
  0x6f, 0x6e, 0x65, 0x02, 0x07, 0x01, 0x00, 0x01, 0x00, 0x02, 0x70, 0x30,
  ];
  -fn main() -> error::Result<()> {
  +fn main() -> Result<(), Box<dyn std::error::Error>> {
  // We're not importing anything, so make an empty import object.
  let import_object = imports! {};
  