error: you are using an explicit closure for cloning elements --> $DIR/min_rust_version/min_rust_version.rs:74:26 | LL | let _: Option = Some(&16).map(|b| *b); | ^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `cloned` method: `Some(&16).cloned()` | = note: `-D clippy::map-clone` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::map_clone)]` error: aborting due to 1 previous error