error[E0597]: `y` does not live long enough --> $DIR/issue-23338-locals-die-before-temps-of-body.rs:10:5 | LL | let y = x; | - binding `y` declared here LL | y.borrow().clone() | ^--------- | | | borrowed value does not live long enough | a temporary with access to the borrow is created here ... LL | } | - | | | `y` dropped here while still borrowed | ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `Ref<'_, String>` | = note: the temporary is part of an expression at the end of a block; consider forcing this temporary to be dropped sooner, before the block's local variables are dropped help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block | LL | let x = y.borrow().clone(); x | +++++++ +++ error[E0597]: `y` does not live long enough --> $DIR/issue-23338-locals-die-before-temps-of-body.rs:17:9 | LL | let y = x; | - binding `y` declared here LL | y.borrow().clone() | ^--------- | | | borrowed value does not live long enough | a temporary with access to the borrow is created here ... LL | }; | -- ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `Ref<'_, String>` | | | `y` dropped here while still borrowed | = note: the temporary is part of an expression at the end of a block; consider forcing this temporary to be dropped sooner, before the block's local variables are dropped help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block | LL | let x = y.borrow().clone(); x | +++++++ +++ error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0597`.