error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:9:5
   |
LL |     mut a: i32,
   |     ----^
   |     |
   |     help: remove this `mut`
   |
note: lint level defined here
  --> $DIR/lint-unused-mut-variables.rs:5:9
   |
LL | #![deny(unused_mut)]
   |         ^^^^^^^^^^

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:14:5
   |
LL |     mut a: i32,
   |     ----^
   |     |
   |     help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:23:9
   |
LL |         mut a: i32,
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:29:9
   |
LL |         mut a: i32,
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:39:9
   |
LL |         mut a: i32,
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:48:9
   |
LL |         mut a: i32,
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:57:9
   |
LL |         mut a: i32,
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:62:9
   |
LL |         mut a: i32,
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:104:14
   |
LL |     let x = |mut y: isize| 10;
   |              ----^
   |              |
   |              help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:69:9
   |
LL |     let mut a = 3;
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:71:9
   |
LL |     let mut a = 2;
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:73:9
   |
LL |     let mut b = 3;
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:75:9
   |
LL |     let mut a = vec![3];
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:77:10
   |
LL |     let (mut a, b) = (1, 2);
   |          ----^
   |          |
   |          help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:79:9
   |
LL |     let mut a;
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:83:9
   |
LL |     let mut b;
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:92:9
   |
LL |         mut x => {}
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:96:8
   |
LL |       (mut x, 1) |
   |        ----^
   |        |
   |        help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:109:9
   |
LL |     let mut a = &mut 5;
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:114:9
   |
LL |     let mut b = (&mut a,);
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:117:9
   |
LL |     let mut x = &mut 1;
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:129:9
   |
LL |     let mut v : &mut Vec<()> = &mut vec![];
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:106:13
   |
LL |     fn what(mut foo: isize) {}
   |             ----^^^
   |             |
   |             help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:124:20
   |
LL |     fn mut_ref_arg(mut arg : &mut [u8]) -> &mut [u8] {
   |                    ----^^^
   |                    |
   |                    help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:196:9
   |
LL |     let mut b = vec![2];
   |         ----^
   |         |
   |         help: remove this `mut`
   |
note: lint level defined here
  --> $DIR/lint-unused-mut-variables.rs:192:8
   |
LL | #[deny(unused_mut)]
   |        ^^^^^^^^^^

error: aborting due to 25 previous errors