error: Failed to generate pretend implementation
 --> $DIR/non_method.rs:3:1
  |
3 | #[pretend]
  | ^^^^^^^^^^
  |
  = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: Only methods are supported
 --> $DIR/non_method.rs:5:5
  |
5 |     type Item;
  |     ^^^^^^^^^^