error: explicit deref method call
  --> $DIR/dereference.rs:10:19
   |
LL |     let b: &str = a.deref();
   |                   ^^^^^^^^^ help: try this: `&*a`
   |
   = note: `-D clippy::explicit-deref-method` implied by `-D warnings`

error: explicit deref_mut method call
  --> $DIR/dereference.rs:12:23
   |
LL |     let b: &mut str = a.deref_mut();
   |                       ^^^^^^^^^^^^^ help: try this: `&mut *a`

error: explicit deref method call
  --> $DIR/dereference.rs:14:21
   |
LL |     let b: String = a.deref().clone();
   |                     ^^^^^^^^^ help: try this: `&*a`

error: explicit deref_mut method call
  --> $DIR/dereference.rs:16:20
   |
LL |     let b: usize = a.deref_mut().len();
   |                    ^^^^^^^^^^^^^ help: try this: `&mut *a`

error: explicit deref method call
  --> $DIR/dereference.rs:18:22
   |
LL |     let b: &usize = &a.deref().len();
   |                      ^^^^^^^^^ help: try this: `&*a`

error: explicit deref method call
  --> $DIR/dereference.rs:21:19
   |
LL |     let b: &str = a.deref().deref();
   |                   ^^^^^^^^^ help: try this: `&*a`

error: explicit deref method call
  --> $DIR/dereference.rs:24:39
   |
LL |     let b: String = format!("{}, {}", a.deref(), a.deref());
   |                                       ^^^^^^^^^ help: try this: `&*a`

error: explicit deref method call
  --> $DIR/dereference.rs:24:50
   |
LL |     let b: String = format!("{}, {}", a.deref(), a.deref());
   |                                                  ^^^^^^^^^ help: try this: `&*a`

error: aborting due to 8 previous errors