src/tools/clippy/tests/ui/needless_pass_by_ref_mut.stderr

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:12:11
   |
LL | fn foo(s: &mut Vec<u32>, b: &u32, x: &mut u32) {
   |           ^----^^^^^^^^
   |            |
   |            help: consider removing this `mut`
   |
   = note: `-D clippy::needless-pass-by-ref-mut` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::needless_pass_by_ref_mut)]`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:38:12
   |
LL | fn foo6(s: &mut Vec<u32>) {
   |            ^----^^^^^^^^
   |             |
   |             help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:49:12
   |
LL |     fn bar(&mut self) {}
   |            ^----^^^^
   |             |
   |             help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:52:29
   |
LL |     fn mushroom(&self, vec: &mut Vec<i32>) -> usize {
   |                             ^----^^^^^^^^
   |                              |
   |                              help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:130:16
   |
LL | async fn a1(x: &mut i32) {
   |                ^----^^^
   |                 |
   |                 help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:135:16
   |
LL | async fn a2(x: &mut i32, y: String) {
   |                ^----^^^
   |                 |
   |                 help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:140:16
   |
LL | async fn a3(x: &mut i32, y: String, z: String) {
   |                ^----^^^
   |                 |
   |                 help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:145:16
   |
LL | async fn a4(x: &mut i32, y: i32) {
   |                ^----^^^
   |                 |
   |                 help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:150:24
   |
LL | async fn a5(x: i32, y: &mut i32) {
   |                        ^----^^^
   |                         |
   |                         help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:155:24
   |
LL | async fn a6(x: i32, y: &mut i32) {
   |                        ^----^^^
   |                         |
   |                         help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:160:32
   |
LL | async fn a7(x: i32, y: i32, z: &mut i32) {
   |                                ^----^^^
   |                                 |
   |                                 help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:165:24
   |
LL | async fn a8(x: i32, a: &mut i32, y: i32, z: &mut i32) {
   |                        ^----^^^
   |                         |
   |                         help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:165:45
   |
LL | async fn a8(x: i32, a: &mut i32, y: i32, z: &mut i32) {
   |                                             ^----^^^
   |                                              |
   |                                              help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:201:16
   |
LL | fn cfg_warn(s: &mut u32) {}
   |                ^----^^^
   |                 |
   |                 help: consider removing this `mut`
   |
   = note: this is cfg-gated and may require further changes

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:206:20
   |
LL |     fn cfg_warn(s: &mut u32) {}
   |                    ^----^^^
   |                     |
   |                     help: consider removing this `mut`
   |
   = note: this is cfg-gated and may require further changes

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:219:39
   |
LL | async fn inner_async2(x: &mut i32, y: &mut u32) {
   |                                       ^----^^^
   |                                        |
   |                                        help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:228:26
   |
LL | async fn inner_async3(x: &mut i32, y: &mut u32) {
   |                          ^----^^^
   |                           |
   |                           help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:248:30
   |
LL | async fn call_in_closure1(n: &mut str) {
   |                              ^----^^^
   |                               |
   |                               help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:268:16
   |
LL | fn closure2(n: &mut usize) -> impl '_ + FnMut() -> usize {
   |                ^----^^^^^
   |                 |
   |                 help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:280:22
   |
LL | async fn closure4(n: &mut usize) {
   |                      ^----^^^^^
   |                       |
   |                       help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:335:12
   |
LL |     fn bar(&mut self) {}
   |            ^----^^^^
   |             |
   |             help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:338:18
   |
LL |     async fn foo(&mut self, u: &mut i32, v: &mut u32) {
   |                  ^----^^^^
   |                   |
   |                   help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:338:45
   |
LL |     async fn foo(&mut self, u: &mut i32, v: &mut u32) {
   |                                             ^----^^^
   |                                              |
   |                                              help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:347:46
   |
LL |     async fn foo2(&mut self, u: &mut i32, v: &mut u32) {
   |                                              ^----^^^
   |                                               |
   |                                               help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:364:18
   |
LL | fn _empty_tup(x: &mut (())) {}
   |                  ^^----^^^
   |                    |
   |                    help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:366:19
   |
LL | fn _single_tup(x: &mut ((i32,))) {}
   |                   ^^----^^^^^^^
   |                     |
   |                     help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:368:18
   |
LL | fn _multi_tup(x: &mut ((i32, u32))) {}
   |                  ^^----^^^^^^^^^^^
   |                    |
   |                    help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:370:11
   |
LL | fn _fn(x: &mut (fn())) {}
   |           ^^----^^^^^
   |             |
   |             help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:373:23
   |
LL | fn _extern_rust_fn(x: &mut extern "Rust" fn()) {}
   |                       ^----^^^^^^^^^^^^^^^^^^
   |                        |
   |                        help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:375:20
   |
LL | fn _extern_c_fn(x: &mut extern "C" fn()) {}
   |                    ^----^^^^^^^^^^^^^^^
   |                     |
   |                     help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:377:18
   |
LL | fn _unsafe_fn(x: &mut unsafe fn()) {}
   |                  ^----^^^^^^^^^^^
   |                   |
   |                   help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:379:25
   |
LL | fn _unsafe_extern_fn(x: &mut unsafe extern "C" fn()) {}
   |                         ^----^^^^^^^^^^^^^^^^^^^^^^
   |                          |
   |                          help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:381:20
   |
LL | fn _fn_with_arg(x: &mut unsafe extern "C" fn(i32)) {}
   |                    ^----^^^^^^^^^^^^^^^^^^^^^^^^^
   |                     |
   |                     help: consider removing this `mut`

error: this parameter is a mutable reference but is not used mutably
  --> tests/ui/needless_pass_by_ref_mut.rs:383:20
   |
LL | fn _fn_with_ret(x: &mut unsafe extern "C" fn() -> (i32)) {}
   |                    ^----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |                     |
   |                     help: consider removing this `mut`

error: aborting due to 34 previous errors