error: you are using an explicit closure for cloning elements
  --> tests/ui-toml/min_rust_version/min_rust_version.rs:74:26
   |
LL |     let _: Option<u64> = 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