error[E0620]: cast to unsized type: `&{integer}` as `dyn Send`
  --> $DIR/cast-to-unsized-trait-object-suggestion.rs:2:5
   |
LL |     &1 as dyn Send;
   |     ^^^^^^--------
   |           |
   |           help: try casting to a reference instead: `&dyn Send`

error[E0620]: cast to unsized type: `Box<{integer}>` as `dyn Send`
  --> $DIR/cast-to-unsized-trait-object-suggestion.rs:3:5
   |
LL |     Box::new(1) as dyn Send;
   |     ^^^^^^^^^^^^^^^--------
   |                    |
   |                    help: you can cast to a `Box` instead: `Box<dyn Send>`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0620`.