message: Use method rather than function application
diff: @@ -2683,7 +2683,7 @@ where
  step_request.pre_state_hash,
  effects.transforms,
  )
  - .map_err(|err| Error::Exec(Into::into(err)))?;
  + .map_err(|err| Error::Exec(err.into()))?;
  let post_state_hash = match commit_result {
  CommitResult::Success { state_root } => state_root,
  