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: consider casting to a reference instead
   |
LL |     &1 as &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
   |
LL |     Box::new(1) as Box<dyn Send>;
   |                    ++++        +

error: aborting due to 2 previous errors

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