message: chore(engine) Omit a useless `let` binding.
diff: @@ -89,7 +89,8 @@ pub trait Artifact {
  resolver: &dyn Resolver,
  host_state: Box<dyn Any>,
  ) -> Result<InstanceHandle, InstantiationError> {
  - let _ = self.preinstantiate()?;
  + self.preinstantiate()?;
  +
  let module = self.module();
  let imports = resolve_imports(
  &module,
  