error: operator precedence can trip the unwary
  --> $DIR/precedence.rs:18:5
   |
18 |     1 << 2 + 3;
   |     ^^^^^^^^^^ help: consider parenthesizing your expression: `1 << (2 + 3)`
   |
   = note: `-D precedence` implied by `-D warnings`

error: operator precedence can trip the unwary
  --> $DIR/precedence.rs:19:5
   |
19 |     1 + 2 << 3;
   |     ^^^^^^^^^^ help: consider parenthesizing your expression: `(1 + 2) << 3`

error: operator precedence can trip the unwary
  --> $DIR/precedence.rs:20:5
   |
20 |     4 >> 1 + 1;
   |     ^^^^^^^^^^ help: consider parenthesizing your expression: `4 >> (1 + 1)`

error: operator precedence can trip the unwary
  --> $DIR/precedence.rs:21:5
   |
21 |     1 + 3 >> 2;
   |     ^^^^^^^^^^ help: consider parenthesizing your expression: `(1 + 3) >> 2`

error: operator precedence can trip the unwary
  --> $DIR/precedence.rs:22:5
   |
22 |     1 ^ 1 - 1;
   |     ^^^^^^^^^ help: consider parenthesizing your expression: `1 ^ (1 - 1)`

error: operator precedence can trip the unwary
  --> $DIR/precedence.rs:23:5
   |
23 |     3 | 2 - 1;
   |     ^^^^^^^^^ help: consider parenthesizing your expression: `3 | (2 - 1)`

error: operator precedence can trip the unwary
  --> $DIR/precedence.rs:24:5
   |
24 |     3 & 5 - 2;
   |     ^^^^^^^^^ help: consider parenthesizing your expression: `3 & (5 - 2)`

error: unary minus has lower precedence than method call
  --> $DIR/precedence.rs:25:5
   |
25 |     -1i32.abs();
   |     ^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(1i32.abs())`

error: unary minus has lower precedence than method call
  --> $DIR/precedence.rs:26:5
   |
26 |     -1f32.abs();
   |     ^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(1f32.abs())`

error: aborting due to 9 previous errors