error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:119:5
   |
LL |     _n += 1;
   |     ^^^^^^^
   |
   = note: `-D clippy::arithmetic-side-effects` implied by `-D warnings`

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:120:5
   |
LL |     _n -= 1;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:121:5
   |
LL |     _n /= 0;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:122:5
   |
LL |     _n %= 0;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:123:5
   |
LL |     _n *= 2;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:126:10
   |
LL |     _n = _n + 1;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:127:10
   |
LL |     _n = 1 + _n;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:128:10
   |
LL |     _n = _n - 1;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:129:10
   |
LL |     _n = 1 - _n;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:130:10
   |
LL |     _n = _n / 0;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:131:10
   |
LL |     _n = _n % 0;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:132:10
   |
LL |     _n = _n * 2;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:133:10
   |
LL |     _n = 2 * _n;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:136:10
   |
LL |     _n = -_n;
   |          ^^^

error: aborting due to 14 previous errors