error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:243:5
   |
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:244:5
   |
LL |     _n += &1;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:245:5
   |
LL |     _n -= 1;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:246:5
   |
LL |     _n -= &1;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:247:5
   |
LL |     _n /= 0;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:248:5
   |
LL |     _n /= &0;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:249:5
   |
LL |     _n %= 0;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:250:5
   |
LL |     _n %= &0;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:251:5
   |
LL |     _n *= 2;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:252:5
   |
LL |     _n *= &2;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:253:5
   |
LL |     _n += -1;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:254:5
   |
LL |     _n += &-1;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:255:5
   |
LL |     _n -= -1;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:256:5
   |
LL |     _n -= &-1;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:257:5
   |
LL |     _n /= -0;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:258:5
   |
LL |     _n /= &-0;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:259:5
   |
LL |     _n %= -0;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:260:5
   |
LL |     _n %= &-0;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:261:5
   |
LL |     _n *= -2;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:262:5
   |
LL |     _n *= &-2;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:263:5
   |
LL |     _custom += Custom;
   |     ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:264:5
   |
LL |     _custom += &Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:265:5
   |
LL |     _custom -= Custom;
   |     ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:266:5
   |
LL |     _custom -= &Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:267:5
   |
LL |     _custom /= Custom;
   |     ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:268:5
   |
LL |     _custom /= &Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:269:5
   |
LL |     _custom %= Custom;
   |     ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:270:5
   |
LL |     _custom %= &Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:271:5
   |
LL |     _custom *= Custom;
   |     ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:272:5
   |
LL |     _custom *= &Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:273:5
   |
LL |     _custom += -Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:274:5
   |
LL |     _custom += &-Custom;
   |     ^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:275:5
   |
LL |     _custom -= -Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:276:5
   |
LL |     _custom -= &-Custom;
   |     ^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:277:5
   |
LL |     _custom /= -Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:278:5
   |
LL |     _custom /= &-Custom;
   |     ^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:279:5
   |
LL |     _custom %= -Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:280:5
   |
LL |     _custom %= &-Custom;
   |     ^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:281:5
   |
LL |     _custom *= -Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:282:5
   |
LL |     _custom *= &-Custom;
   |     ^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:285:10
   |
LL |     _n = _n + 1;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:286:10
   |
LL |     _n = _n + &1;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:287:10
   |
LL |     _n = 1 + _n;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:288:10
   |
LL |     _n = &1 + _n;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:289:10
   |
LL |     _n = _n - 1;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:290:10
   |
LL |     _n = _n - &1;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:291:10
   |
LL |     _n = 1 - _n;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:292:10
   |
LL |     _n = &1 - _n;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:293:10
   |
LL |     _n = _n / 0;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:294:10
   |
LL |     _n = _n / &0;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:295:10
   |
LL |     _n = _n % 0;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:296:10
   |
LL |     _n = _n % &0;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:297:10
   |
LL |     _n = _n * 2;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:298:10
   |
LL |     _n = _n * &2;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:299:10
   |
LL |     _n = 2 * _n;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:300:10
   |
LL |     _n = &2 * _n;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:301:10
   |
LL |     _n = 23 + &85;
   |          ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:302:10
   |
LL |     _n = &23 + 85;
   |          ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:303:10
   |
LL |     _n = &23 + &85;
   |          ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:304:15
   |
LL |     _custom = _custom + _custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:305:15
   |
LL |     _custom = _custom + &_custom;
   |               ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:306:15
   |
LL |     _custom = Custom + _custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:307:15
   |
LL |     _custom = &Custom + _custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:308:15
   |
LL |     _custom = _custom - Custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:309:15
   |
LL |     _custom = _custom - &Custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:310:15
   |
LL |     _custom = Custom - _custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:311:15
   |
LL |     _custom = &Custom - _custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:312:15
   |
LL |     _custom = _custom / Custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:313:15
   |
LL |     _custom = _custom / &Custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:314:15
   |
LL |     _custom = _custom % Custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:315:15
   |
LL |     _custom = _custom % &Custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:316:15
   |
LL |     _custom = _custom * Custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:317:15
   |
LL |     _custom = _custom * &Custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:318:15
   |
LL |     _custom = Custom * _custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:319:15
   |
LL |     _custom = &Custom * _custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:320:15
   |
LL |     _custom = Custom + &Custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:321:15
   |
LL |     _custom = &Custom + Custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:322:15
   |
LL |     _custom = &Custom + &Custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:325:10
   |
LL |     _n = -_n;
   |          ^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:326:10
   |
LL |     _n = -&_n;
   |          ^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:327:15
   |
LL |     _custom = -_custom;
   |               ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:328:15
   |
LL |     _custom = -&_custom;
   |               ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:337:5
   |
LL |     1 + i;
   |     ^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:338:5
   |
LL |     i * 2;
   |     ^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:340:5
   |
LL |     i - 2 + 2 - i;
   |     ^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:341:5
   |
LL |     -i;
   |     ^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:342:5
   |
LL |     i >> 1;
   |     ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:343:5
   |
LL |     i << 1;
   |     ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:352:5
   |
LL |     i += 1;
   |     ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:353:5
   |
LL |     i -= 1;
   |     ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:354:5
   |
LL |     i *= 2;
   |     ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:356:5
   |
LL |     i /= 0;
   |     ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:358:5
   |
LL |     i /= var1;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:359:5
   |
LL |     i /= var2;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:361:5
   |
LL |     i %= 0;
   |     ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:363:5
   |
LL |     i %= var1;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:364:5
   |
LL |     i %= var2;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:365:5
   |
LL |     i <<= 3;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:366:5
   |
LL |     i >>= 2;
   |     ^^^^^^^

error: aborting due to 99 previous errors