error: explicit `deref` method call
  --> $DIR/explicit_deref_methods.rs:54:19
   |
LL |     let b: &str = a.deref();
   |                   ^^^^^^^^^ help: try: `&*a`
   |
   = note: `-D clippy::explicit-deref-methods` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::explicit_deref_methods)]`

error: explicit `deref_mut` method call
  --> $DIR/explicit_deref_methods.rs:56:23
   |
LL |     let b: &mut str = a.deref_mut();
   |                       ^^^^^^^^^^^^^ help: try: `&mut **a`

error: explicit `deref` method call
  --> $DIR/explicit_deref_methods.rs:59:39
   |
LL |     let b: String = format!("{}, {}", a.deref(), a.deref());
   |                                       ^^^^^^^^^ help: try: `&*a`

error: explicit `deref` method call
  --> $DIR/explicit_deref_methods.rs:59:50
   |
LL |     let b: String = format!("{}, {}", a.deref(), a.deref());
   |                                                  ^^^^^^^^^ help: try: `&*a`

error: explicit `deref` method call
  --> $DIR/explicit_deref_methods.rs:61:20
   |
LL |     println!("{}", a.deref());
   |                    ^^^^^^^^^ help: try: `&*a`

error: explicit `deref` method call
  --> $DIR/explicit_deref_methods.rs:64:11
   |
LL |     match a.deref() {
   |           ^^^^^^^^^ help: try: `&*a`

error: explicit `deref` method call
  --> $DIR/explicit_deref_methods.rs:68:28
   |
LL |     let b: String = concat(a.deref());
   |                            ^^^^^^^^^ help: try: `&*a`

error: explicit `deref` method call
  --> $DIR/explicit_deref_methods.rs:70:13
   |
LL |     let b = just_return(a).deref();
   |             ^^^^^^^^^^^^^^^^^^^^^^ help: try: `just_return(a)`

error: explicit `deref` method call
  --> $DIR/explicit_deref_methods.rs:72:28
   |
LL |     let b: String = concat(just_return(a).deref());
   |                            ^^^^^^^^^^^^^^^^^^^^^^ help: try: `just_return(a)`

error: explicit `deref` method call
  --> $DIR/explicit_deref_methods.rs:74:19
   |
LL |     let b: &str = a.deref().deref();
   |                   ^^^^^^^^^^^^^^^^^ help: try: `&**a`

error: explicit `deref` method call
  --> $DIR/explicit_deref_methods.rs:77:13
   |
LL |     let b = opt_a.unwrap().deref();
   |             ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*opt_a.unwrap()`

error: explicit `deref` method call
  --> $DIR/explicit_deref_methods.rs:114:31
   |
LL |     let b: &str = expr_deref!(a.deref());
   |                               ^^^^^^^^^ help: try: `&*a`

error: aborting due to 12 previous errors