error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:304:5
   |
LL |     _n += 1;
   |     ^^^^^^^
   |
   = note: `-D clippy::arithmetic-side-effects` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::arithmetic_side_effects)]`

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:305:5
   |
LL |     _n += &1;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:306:5
   |
LL |     _n -= 1;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:307:5
   |
LL |     _n -= &1;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:308:5
   |
LL |     _n /= 0;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:309:5
   |
LL |     _n /= &0;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:310:5
   |
LL |     _n %= 0;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:311:5
   |
LL |     _n %= &0;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:312:5
   |
LL |     _n *= 2;
   |     ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:313:5
   |
LL |     _n *= &2;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:314:5
   |
LL |     _n += -1;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:315:5
   |
LL |     _n += &-1;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:316:5
   |
LL |     _n -= -1;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:317:5
   |
LL |     _n -= &-1;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:318:5
   |
LL |     _n /= -0;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:319:5
   |
LL |     _n /= &-0;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:320:5
   |
LL |     _n %= -0;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:321:5
   |
LL |     _n %= &-0;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:322:5
   |
LL |     _n *= -2;
   |     ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:323:5
   |
LL |     _n *= &-2;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:324:5
   |
LL |     _custom += Custom;
   |     ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:325:5
   |
LL |     _custom += &Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:326:5
   |
LL |     _custom -= Custom;
   |     ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:327:5
   |
LL |     _custom -= &Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:328:5
   |
LL |     _custom /= Custom;
   |     ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:329:5
   |
LL |     _custom /= &Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:330:5
   |
LL |     _custom %= Custom;
   |     ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:331:5
   |
LL |     _custom %= &Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:332:5
   |
LL |     _custom *= Custom;
   |     ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:333:5
   |
LL |     _custom *= &Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:334:5
   |
LL |     _custom >>= Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:335:5
   |
LL |     _custom >>= &Custom;
   |     ^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:336:5
   |
LL |     _custom <<= Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:337:5
   |
LL |     _custom <<= &Custom;
   |     ^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:338:5
   |
LL |     _custom += -Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:339:5
   |
LL |     _custom += &-Custom;
   |     ^^^^^^^^^^^^^^^^^^^

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

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

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

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:343:5
   |
LL |     _custom /= &-Custom;
   |     ^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:344:5
   |
LL |     _custom %= -Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:345:5
   |
LL |     _custom %= &-Custom;
   |     ^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:346:5
   |
LL |     _custom *= -Custom;
   |     ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:347:5
   |
LL |     _custom *= &-Custom;
   |     ^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:348:5
   |
LL |     _custom >>= -Custom;
   |     ^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:349:5
   |
LL |     _custom >>= &-Custom;
   |     ^^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:350:5
   |
LL |     _custom <<= -Custom;
   |     ^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:351:5
   |
LL |     _custom <<= &-Custom;
   |     ^^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:354:10
   |
LL |     _n = _n + 1;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:355:10
   |
LL |     _n = _n + &1;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:356:10
   |
LL |     _n = 1 + _n;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:357:10
   |
LL |     _n = &1 + _n;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:358:10
   |
LL |     _n = _n - 1;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:359:10
   |
LL |     _n = _n - &1;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:360:10
   |
LL |     _n = 1 - _n;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:361:10
   |
LL |     _n = &1 - _n;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:362:10
   |
LL |     _n = _n / 0;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:363:10
   |
LL |     _n = _n / &0;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:364:10
   |
LL |     _n = _n % 0;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:365:10
   |
LL |     _n = _n % &0;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:366:10
   |
LL |     _n = _n * 2;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:367:10
   |
LL |     _n = _n * &2;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:368:10
   |
LL |     _n = 2 * _n;
   |          ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:369:10
   |
LL |     _n = &2 * _n;
   |          ^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:370:10
   |
LL |     _n = 23 + &85;
   |          ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:371:10
   |
LL |     _n = &23 + 85;
   |          ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:372:10
   |
LL |     _n = &23 + &85;
   |          ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:373:15
   |
LL |     _custom = _custom + _custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:374:15
   |
LL |     _custom = _custom + &_custom;
   |               ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:375:15
   |
LL |     _custom = Custom + _custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:376:15
   |
LL |     _custom = &Custom + _custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:377:15
   |
LL |     _custom = _custom - Custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:378:15
   |
LL |     _custom = _custom - &Custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:379:15
   |
LL |     _custom = Custom - _custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:380:15
   |
LL |     _custom = &Custom - _custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:381:15
   |
LL |     _custom = _custom / Custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:382:15
   |
LL |     _custom = _custom / &Custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:383:15
   |
LL |     _custom = _custom % Custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:384:15
   |
LL |     _custom = _custom % &Custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:385:15
   |
LL |     _custom = _custom * Custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:386:15
   |
LL |     _custom = _custom * &Custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:387:15
   |
LL |     _custom = Custom * _custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:388:15
   |
LL |     _custom = &Custom * _custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:389:15
   |
LL |     _custom = Custom + &Custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:390:15
   |
LL |     _custom = &Custom + Custom;
   |               ^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:391:15
   |
LL |     _custom = &Custom + &Custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:392:15
   |
LL |     _custom = _custom >> _custom;
   |               ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:393:15
   |
LL |     _custom = _custom >> &_custom;
   |               ^^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:394:15
   |
LL |     _custom = Custom << _custom;
   |               ^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:395:15
   |
LL |     _custom = &Custom << _custom;
   |               ^^^^^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:398:23
   |
LL |     _n.saturating_div(0);
   |                       ^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:399:21
   |
LL |     _n.wrapping_div(0);
   |                     ^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:400:21
   |
LL |     _n.wrapping_rem(0);
   |                     ^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:401:28
   |
LL |     _n.wrapping_rem_euclid(0);
   |                            ^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:403:23
   |
LL |     _n.saturating_div(_n);
   |                       ^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:404:21
   |
LL |     _n.wrapping_div(_n);
   |                     ^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:405:21
   |
LL |     _n.wrapping_rem(_n);
   |                     ^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:406:28
   |
LL |     _n.wrapping_rem_euclid(_n);
   |                            ^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:409:10
   |
LL |     _n = -_n;
   |          ^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:410:10
   |
LL |     _n = -&_n;
   |          ^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:411:15
   |
LL |     _custom = -_custom;
   |               ^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:412:15
   |
LL |     _custom = -&_custom;
   |               ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:421:5
   |
LL |     1 + i;
   |     ^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:422:5
   |
LL |     i * 2;
   |     ^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:423:5
   |
LL |     1 % i / 2;
   |     ^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:424:5
   |
LL |     i - 2 + 2 - i;
   |     ^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:425:5
   |
LL |     -i;
   |     ^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:436:5
   |
LL |     i += 1;
   |     ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:437:5
   |
LL |     i -= 1;
   |     ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:438:5
   |
LL |     i *= 2;
   |     ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:440:5
   |
LL |     i /= 0;
   |     ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:442:5
   |
LL |     i /= var1;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:443:5
   |
LL |     i /= var2;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:445:5
   |
LL |     i %= 0;
   |     ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:447:5
   |
LL |     i %= var1;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:448:5
   |
LL |     i %= var2;
   |     ^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:458:5
   |
LL |     10 / a
   |     ^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:512:9
   |
LL |         x / maybe_zero
   |         ^^^^^^^^^^^^^^

error: arithmetic operation that can potentially result in unexpected side-effects
  --> $DIR/arithmetic_side_effects.rs:516:9
   |
LL |         x % maybe_zero
   |         ^^^^^^^^^^^^^^

error: aborting due to 119 previous errors