error[E0599]: no method named `method` found for reference `&_` in the current scope
  --> $DIR/would-constrain-opaque.rs:28:11
   |
LL |         x.method();
   |           ^^^^^^ method not found in `&_`
   |
   = help: items from traits can only be used if the trait is implemented and in scope
help: trait `Trait` which provides `method` is implemented but not in scope; perhaps you want to import it
   |
LL + use Trait;
   |

error[E0599]: no method named `method` found for reference `&_` in the current scope
  --> $DIR/would-constrain-opaque.rs:30:11
   |
LL |         x.method();
   |           ^^^^^^ method not found in `&_`
   |
   = help: items from traits can only be used if the trait is implemented and in scope
help: trait `Trait` which provides `method` is implemented but not in scope; perhaps you want to import it
   |
LL + use Trait;
   |

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0599`.