error: needless parenthesis on range literals can be removed
  --> $DIR/needless_parens_on_range_literals.rs:8:13
   |
LL |     let _ = ('a')..=('z');
   |             ^^^^^ help: try: `'a'`
   |
   = note: `-D clippy::needless-parens-on-range-literals` implied by `-D warnings`

error: needless parenthesis on range literals can be removed
  --> $DIR/needless_parens_on_range_literals.rs:8:21
   |
LL |     let _ = ('a')..=('z');
   |                     ^^^^^ help: try: `'z'`

error: needless parenthesis on range literals can be removed
  --> $DIR/needless_parens_on_range_literals.rs:9:18
   |
LL |     let _ = 'a'..('z');
   |                  ^^^^^ help: try: `'z'`

error: needless parenthesis on range literals can be removed
  --> $DIR/needless_parens_on_range_literals.rs:11:19
   |
LL |     let _ = (1.)..(2.);
   |                   ^^^^ help: try: `2.`

error: needless parenthesis on range literals can be removed
  --> $DIR/needless_parens_on_range_literals.rs:12:13
   |
LL |     let _ = ('a')..;
   |             ^^^^^ help: try: `'a'`

error: needless parenthesis on range literals can be removed
  --> $DIR/needless_parens_on_range_literals.rs:13:15
   |
LL |     let _ = ..('z');
   |               ^^^^^ help: try: `'z'`

error: aborting due to 6 previous errors