1 error[E0597]: `y` does not live long enough
5 | ^^ borrowed value does not live long enough
10 | `y` dropped here while still borrowed
11 | borrow might be used here, when `x` is dropped and runs the `Drop` code for type `Foo`
13 = note: values in a scope are dropped in the opposite order they are defined
15 error: aborting due to previous error
17 For more information about this error, try `rustc --explain E0597`.