error: `Vec<T>` is already on the heap, the boxing is unnecessary
  --> $DIR/vec_box_sized.rs:11:14
   |
LL |     const C: Vec<Box<i32>> = Vec::new();
   |              ^^^^^^^^^^^^^ help: try: `Vec<i32>`
   |
   = note: `-D clippy::vec-box` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::vec_box)]`

error: `Vec<T>` is already on the heap, the boxing is unnecessary
  --> $DIR/vec_box_sized.rs:12:15
   |
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:15:21
   |
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:18:14
   |
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:19:18
   |
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:63:23
   |
LL |         pub fn f() -> Vec<Box<S>> {
   |                       ^^^^^^^^^^^ help: try: `Vec<S>`

error: aborting due to 6 previous errors