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error: function `dead` is never used
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--> $DIR/test-warns-dead-code.rs:5:4
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LL | fn dead() {}
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| ^^^^
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note: the lint level is defined here
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--> $DIR/test-warns-dead-code.rs:3:9
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LL | #![deny(dead_code)]
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| ^^^^^^^^^
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error: aborting due to 1 previous error
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