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warning: unused variable: `item`
--> $DIR/unboxed-closures-counter-not-moved.rs:15:13
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LL | for item in y {
| ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
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= note: `#[warn(unused_variables)]` on by default
warning: value assigned to `counter` is never read
--> $DIR/unboxed-closures-counter-not-moved.rs:24:9
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LL | counter += 1;
| ^^^^^^^
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= note: `#[warn(unused_assignments)]` on by default
= help: maybe it is overwritten before being read?
warning: unused variable: `counter`
--> $DIR/unboxed-closures-counter-not-moved.rs:24:9
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LL | counter += 1;
| ^^^^^^^
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= help: did you mean to capture by reference instead?
warning: 3 warnings emitted
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