error: using `.clone()` on a ref-counted pointer --> $DIR/unnecessary_clone.rs:23:5 | LL | rc.clone(); | ^^^^^^^^^^ help: try: `Rc::::clone(&rc)` | = note: `-D clippy::clone-on-ref-ptr` implied by `-D warnings` error: using `.clone()` on a ref-counted pointer --> $DIR/unnecessary_clone.rs:26:5 | LL | arc.clone(); | ^^^^^^^^^^^ help: try: `Arc::::clone(&arc)` error: using `.clone()` on a ref-counted pointer --> $DIR/unnecessary_clone.rs:29:5 | LL | rcweak.clone(); | ^^^^^^^^^^^^^^ help: try: `Weak::::clone(&rcweak)` error: using `.clone()` on a ref-counted pointer --> $DIR/unnecessary_clone.rs:32:5 | LL | arc_weak.clone(); | ^^^^^^^^^^^^^^^^ help: try: `Weak::::clone(&arc_weak)` error: using `.clone()` on a ref-counted pointer --> $DIR/unnecessary_clone.rs:36:33 | LL | let _: Arc = x.clone(); | ^^^^^^^^^ help: try: `Arc::::clone(&x)` error: using `clone` on type `T` which implements the `Copy` trait --> $DIR/unnecessary_clone.rs:40:5 | LL | t.clone(); | ^^^^^^^^^ help: try removing the `clone` call: `t` | = note: `-D clippy::clone-on-copy` implied by `-D warnings` error: using `clone` on type `Option` which implements the `Copy` trait --> $DIR/unnecessary_clone.rs:42:5 | LL | Some(t).clone(); | ^^^^^^^^^^^^^^^ help: try removing the `clone` call: `Some(t)` error: using `clone` on type `E` which implements the `Copy` trait --> $DIR/unnecessary_clone.rs:76:20 | LL | let _: E = a.clone(); | ^^^^^^^^^ help: try dereferencing it: `*****a` error: using `.clone()` on a ref-counted pointer --> $DIR/unnecessary_clone.rs:95:14 | LL | Some(try_opt!(Some(rc)).clone()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Rc::::clone(&try_opt!(Some(rc)))` error: aborting due to 9 previous errors