error: initializing a reference-counted pointer in `vec![elem; len]`
  --> $DIR/arc.rs:9:13
   |
LL |     let v = vec![Arc::new("x".to_string()); 2];
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: each element will point to the same `Arc` instance
   = note: `-D clippy::rc-clone-in-vec-init` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::rc_clone_in_vec_init)]`
help: consider initializing each `Arc` element individually
   |
LL ~     let v = {
LL +         let mut v = Vec::with_capacity(2);
LL +         (0..2).for_each(|_| v.push(Arc::new(..)));
LL +         v
LL ~     };
   |
help: or if this is intentional, consider extracting the `Arc` initialization to a variable
   |
LL ~     let v = {
LL +         let data = Arc::new(..);
LL +         vec![data; 2]
LL ~     };
   |

error: initializing a reference-counted pointer in `vec![elem; len]`
  --> $DIR/arc.rs:19:21
   |
LL |             let v = vec![Arc::new("x".to_string()); 2];
   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: each element will point to the same `Arc` instance
help: consider initializing each `Arc` element individually
   |
LL ~             let v = {
LL +                 let mut v = Vec::with_capacity(2);
LL +                 (0..2).for_each(|_| v.push(Arc::new(..)));
LL +                 v
LL ~             };
   |
help: or if this is intentional, consider extracting the `Arc` initialization to a variable
   |
LL ~             let v = {
LL +                 let data = Arc::new(..);
LL +                 vec![data; 2]
LL ~             };
   |

error: initializing a reference-counted pointer in `vec![elem; len]`
  --> $DIR/arc.rs:27:13
   |
LL |       let v = vec![
   |  _____________^
LL | |
LL | |
LL | |         std::sync::Arc::new(Mutex::new({
...  |
LL | |         2
LL | |     ];
   | |_____^
   |
   = note: each element will point to the same `Arc` instance
help: consider initializing each `Arc` element individually
   |
LL ~     let v = {
LL +         let mut v = Vec::with_capacity(2);
LL +         (0..2).for_each(|_| v.push(std::sync::Arc::new(..)));
LL +         v
LL ~     };
   |
help: or if this is intentional, consider extracting the `Arc` initialization to a variable
   |
LL ~     let v = {
LL +         let data = std::sync::Arc::new(..);
LL +         vec![data; 2]
LL ~     };
   |

error: initializing a reference-counted pointer in `vec![elem; len]`
  --> $DIR/arc.rs:38:14
   |
LL |       let v1 = vec![
   |  ______________^
LL | |
LL | |
LL | |         Arc::new(Mutex::new({
...  |
LL | |         2
LL | |     ];
   | |_____^
   |
   = note: each element will point to the same `Arc` instance
help: consider initializing each `Arc` element individually
   |
LL ~     let v1 = {
LL +         let mut v = Vec::with_capacity(2);
LL +         (0..2).for_each(|_| v.push(Arc::new(..)));
LL +         v
LL ~     };
   |
help: or if this is intentional, consider extracting the `Arc` initialization to a variable
   |
LL ~     let v1 = {
LL +         let data = Arc::new(..);
LL +         vec![data; 2]
LL ~     };
   |

error: aborting due to 4 previous errors