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error[E0505]: cannot move out of `x` because it is borrowed
--> $DIR/borrowck-unary-move.rs:3:10
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LL | fn foo(x: Box<isize>) -> isize {
| - binding `x` declared here
LL | let y = &*x;
| --- borrow of `*x` occurs here
LL | free(x);
| ^ move out of `x` occurs here
LL | *y
| -- borrow later used here
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help: consider cloning the value if the performance cost is acceptable
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LL - let y = &*x;
LL + let y = &x.clone();
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error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0505`.
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