error: `Vec<T>` is already on the heap, the boxing is unnecessary --> $DIR/vec_box_sized.rs:12:14 | LL | const C: Vec<Box<i32>> = Vec::new(); | ^^^^^^^^^^^^^ help: try: `Vec<i32>` | = note: `-D clippy::vec-box` implied by `-D warnings` error: `Vec<T>` is already on the heap, the boxing is unnecessary --> $DIR/vec_box_sized.rs:13:15 | LL | static S: Vec<Box<i32>> = Vec::new(); | ^^^^^^^^^^^^^ help: try: `Vec<i32>` error: `Vec<T>` is already on the heap, the boxing is unnecessary --> $DIR/vec_box_sized.rs:16:21 | LL | sized_type: Vec<Box<SizedStruct>>, | ^^^^^^^^^^^^^^^^^^^^^ help: try: `Vec<SizedStruct>` error: `Vec<T>` is already on the heap, the boxing is unnecessary --> $DIR/vec_box_sized.rs:19:14 | LL | struct A(Vec<Box<SizedStruct>>); | ^^^^^^^^^^^^^^^^^^^^^ help: try: `Vec<SizedStruct>` error: `Vec<T>` is already on the heap, the boxing is unnecessary --> $DIR/vec_box_sized.rs:20:18 | LL | struct B(Vec<Vec<Box<(u32)>>>); | ^^^^^^^^^^^^^^^ help: try: `Vec<u32>` error: `Vec<T>` is already on the heap, the boxing is unnecessary --> $DIR/vec_box_sized.rs:48:23 | LL | pub fn f() -> Vec<Box<S>> { | ^^^^^^^^^^^ help: try: `Vec<S>` error: aborting due to 6 previous errors