1 error: using `clone` on a `Copy` type
2 --> $DIR/unnecessary_clone.rs:17:5
5 | ^^^^^^^^^^ help: try removing the `clone` call: `42`
7 = note: `-D clippy::clone-on-copy` implied by `-D warnings`
9 error: using `clone` on a `Copy` type
10 --> $DIR/unnecessary_clone.rs:21:5
13 | ^^^^^^^^^^^^^ help: try dereferencing it: `*(&42)`
15 error: using `clone` on a `Copy` type
16 --> $DIR/unnecessary_clone.rs:24:5
18 LL | rc.borrow().clone();
19 | ^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*rc.borrow()`
21 error: using '.clone()' on a ref-counted pointer
22 --> $DIR/unnecessary_clone.rs:39:5
25 | ^^^^^^^^^^ help: try this: `Rc::<bool>::clone(&rc)`
27 = note: `-D clippy::clone-on-ref-ptr` implied by `-D warnings`
29 error: using '.clone()' on a ref-counted pointer
30 --> $DIR/unnecessary_clone.rs:42:5
33 | ^^^^^^^^^^^ help: try this: `Arc::<bool>::clone(&arc)`
35 error: using '.clone()' on a ref-counted pointer
36 --> $DIR/unnecessary_clone.rs:45:5
39 | ^^^^^^^^^^^^^^ help: try this: `Weak::<bool>::clone(&rcweak)`
41 error: using '.clone()' on a ref-counted pointer
42 --> $DIR/unnecessary_clone.rs:48:5
44 LL | arc_weak.clone();
45 | ^^^^^^^^^^^^^^^^ help: try this: `Weak::<bool>::clone(&arc_weak)`
47 error: using '.clone()' on a ref-counted pointer
48 --> $DIR/unnecessary_clone.rs:52:33
50 LL | let _: Arc<dyn SomeTrait> = x.clone();
51 | ^^^^^^^^^ help: try this: `Arc::<SomeImpl>::clone(&x)`
53 error: using `clone` on a `Copy` type
54 --> $DIR/unnecessary_clone.rs:56:5
57 | ^^^^^^^^^ help: try removing the `clone` call: `t`
59 error: using `clone` on a `Copy` type
60 --> $DIR/unnecessary_clone.rs:58:5
63 | ^^^^^^^^^^^^^^^ help: try removing the `clone` call: `Some(t)`
65 error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
66 --> $DIR/unnecessary_clone.rs:64:22
68 LL | let z: &Vec<_> = y.clone();
71 = note: `#[deny(clippy::clone_double_ref)]` on by default
72 help: try dereferencing it
74 LL | let z: &Vec<_> = &(*y).clone();
76 help: or try being explicit about what type to clone
78 LL | let z: &Vec<_> = &std::vec::Vec<i32>::clone(y);
79 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
81 error: called `iter().cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
82 --> $DIR/unnecessary_clone.rs:71:27
84 LL | let v2: Vec<isize> = v.iter().cloned().collect();
85 | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.to_vec()`
87 = note: `-D clippy::iter-cloned-collect` implied by `-D warnings`
89 error: called `iter().cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
90 --> $DIR/unnecessary_clone.rs:76:38
92 LL | let _: Vec<isize> = vec![1, 2, 3].iter().cloned().collect();
93 | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.to_vec()`
95 error: called `iter().cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
96 --> $DIR/unnecessary_clone.rs:81:24
99 | ________________________^
103 | |______________________^ help: try: `.to_vec()`
105 error: using `clone` on a `Copy` type
106 --> $DIR/unnecessary_clone.rs:119:20
108 LL | let _: E = a.clone();
109 | ^^^^^^^^^ help: try dereferencing it: `*****a`
111 error: aborting due to 15 previous errors