error: useless use of `vec!`
  --> $DIR/vec.rs:31:14
   |
LL |     on_slice(&vec![]);
   |              ^^^^^^^ help: you can use a slice directly: `&[]`
   |
   = note: `-D clippy::useless-vec` implied by `-D warnings`

error: useless use of `vec!`
  --> $DIR/vec.rs:33:18
   |
LL |     on_mut_slice(&mut vec![]);
   |                  ^^^^^^^^^^^ help: you can use a slice directly: `&mut []`

error: useless use of `vec!`
  --> $DIR/vec.rs:35:14
   |
LL |     on_slice(&vec![1, 2]);
   |              ^^^^^^^^^^^ help: you can use a slice directly: `&[1, 2]`

error: useless use of `vec!`
  --> $DIR/vec.rs:37:18
   |
LL |     on_mut_slice(&mut vec![1, 2]);
   |                  ^^^^^^^^^^^^^^^ help: you can use a slice directly: `&mut [1, 2]`

error: useless use of `vec!`
  --> $DIR/vec.rs:39:14
   |
LL |     on_slice(&vec![1, 2]);
   |              ^^^^^^^^^^^ help: you can use a slice directly: `&[1, 2]`

error: useless use of `vec!`
  --> $DIR/vec.rs:41:18
   |
LL |     on_mut_slice(&mut vec![1, 2]);
   |                  ^^^^^^^^^^^^^^^ help: you can use a slice directly: `&mut [1, 2]`

error: useless use of `vec!`
  --> $DIR/vec.rs:43:14
   |
LL |     on_slice(&vec!(1, 2));
   |              ^^^^^^^^^^^ help: you can use a slice directly: `&[1, 2]`

error: useless use of `vec!`
  --> $DIR/vec.rs:45:18
   |
LL |     on_mut_slice(&mut vec![1, 2]);
   |                  ^^^^^^^^^^^^^^^ help: you can use a slice directly: `&mut [1, 2]`

error: useless use of `vec!`
  --> $DIR/vec.rs:47:14
   |
LL |     on_slice(&vec![1; 2]);
   |              ^^^^^^^^^^^ help: you can use a slice directly: `&[1; 2]`

error: useless use of `vec!`
  --> $DIR/vec.rs:49:18
   |
LL |     on_mut_slice(&mut vec![1; 2]);
   |                  ^^^^^^^^^^^^^^^ help: you can use a slice directly: `&mut [1; 2]`

error: useless use of `vec!`
  --> $DIR/vec.rs:75:17
   |
LL |     let mut x = vec![1, 2, 3];
   |                 ^^^^^^^^^^^^^ help: you can use an array directly: `[1, 2, 3]`

error: useless use of `vec!`
  --> $DIR/vec.rs:81:22
   |
LL |     let _x: &[i32] = &vec![1, 2, 3];
   |                      ^^^^^^^^^^^^^^ help: you can use a slice directly: `&[1, 2, 3]`

error: useless use of `vec!`
  --> $DIR/vec.rs:83:14
   |
LL |     for _ in vec![1, 2, 3] {}
   |              ^^^^^^^^^^^^^ help: you can use an array directly: `[1, 2, 3]`

error: useless use of `vec!`
  --> $DIR/vec.rs:117:14
   |
LL |     for a in vec![1, 2, 3] {
   |              ^^^^^^^^^^^^^ help: you can use an array directly: `[1, 2, 3]`

error: useless use of `vec!`
  --> $DIR/vec.rs:121:14
   |
LL |     for a in vec![String::new(), String::new()] {
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[String::new(), String::new()]`

error: aborting due to 15 previous errors