error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:137:5
   |
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:138:5
   |
LL |     _n += &1;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:139:5
   |
LL |     _n -= 1;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:140:5
   |
LL |     _n -= &1;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:141:5
   |
LL |     _n /= 0;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:142:5
   |
LL |     _n /= &0;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:143:5
   |
LL |     _n %= 0;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:144:5
   |
LL |     _n %= &0;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:145:5
   |
LL |     _n *= 2;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:146:5
   |
LL |     _n *= &2;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:149:10
   |
LL |     _n = _n + 1;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:150:10
   |
LL |     _n = _n + &1;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:151:10
   |
LL |     _n = 1 + _n;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:152:10
   |
LL |     _n = &1 + _n;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:153:10
   |
LL |     _n = _n - 1;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:154:10
   |
LL |     _n = _n - &1;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:155:10
   |
LL |     _n = 1 - _n;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:156:10
   |
LL |     _n = &1 - _n;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:157:10
   |
LL |     _n = _n / 0;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:158:10
   |
LL |     _n = _n / &0;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:159:10
   |
LL |     _n = _n % 0;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:160:10
   |
LL |     _n = _n % &0;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:161:10
   |
LL |     _n = _n * 2;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:162:10
   |
LL |     _n = _n * &2;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:163:10
   |
LL |     _n = 2 * _n;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:164:10
   |
LL |     _n = &2 * _n;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:167:10
   |
LL |     _n = -_n;
   |          ^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:168:10
   |
LL |     _n = -&_n;
   |          ^^^^

error: aborting due to 28 previous errors