error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:46:14
   |
LL |     let x = |mut y: isize| 10; //~ ERROR: variable does not need to be mutable
   |              ----^
   |              |
   |              help: remove this `mut`
   |
note: lint level defined here
  --> $DIR/lint-unused-mut-variables.rs:6:9
   |
LL | #![deny(unused_mut)]
   |         ^^^^^^^^^^

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:11:9
   |
LL |     let mut a = 3; //~ ERROR: variable does not need to be mutable
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:13:9
   |
LL |     let mut a = 2; //~ ERROR: variable does not need to be mutable
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:15:9
   |
LL |     let mut b = 3; //~ ERROR: variable does not need to be mutable
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:17:9
   |
LL |     let mut a = vec![3]; //~ ERROR: variable does not need to be mutable
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:19:10
   |
LL |     let (mut a, b) = (1, 2); //~ ERROR: variable does not need to be mutable
   |          ----^
   |          |
   |          help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:21:9
   |
LL |     let mut a; //~ ERROR: variable does not need to be mutable
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:25:9
   |
LL |     let mut b; //~ ERROR: variable does not need to be mutable
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:34:9
   |
LL |         mut x => {} //~ ERROR: variable does not need to be mutable
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:38:8
   |
LL |       (mut x, 1) | //~ ERROR: variable does not need to be mutable
   |        ----^
   |        |
   |        help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:51:9
   |
LL |     let mut a = &mut 5; //~ ERROR: variable does not need to be mutable
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:56:9
   |
LL |     let mut b = (&mut a,); //~ ERROR: variable does not need to be mutable
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:59:9
   |
LL |     let mut x = &mut 1; //~ ERROR: variable does not need to be mutable
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:71:9
   |
LL |     let mut v : &mut Vec<()> = &mut vec![]; //~ ERROR: variable does not need to be mutable
   |         ----^
   |         |
   |         help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:48:13
   |
LL |     fn what(mut foo: isize) {} //~ ERROR: variable does not need to be mutable
   |             ----^^^
   |             |
   |             help: remove this `mut`

error: variable does not need to be mutable
  --> $DIR/lint-unused-mut-variables.rs:66:20
   |
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:130:9
   |
LL |     let mut b = vec![2]; //~ ERROR: variable does not need to be mutable
   |         ----^
   |         |
   |         help: remove this `mut`
   |
note: lint level defined here
  --> $DIR/lint-unused-mut-variables.rs:126:8
   |
LL | #[deny(unused_mut)]
   |        ^^^^^^^^^^

error: aborting due to 17 previous errors