error: manual implementation of an assign operation
  --> tests/ui/assign_ops.rs:10:5
   |
LL |     a = a + 1;
   |     ^^^^^^^^^ help: replace it with: `a += 1`
   |
   = note: `-D clippy::assign-op-pattern` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::assign_op_pattern)]`

error: manual implementation of an assign operation
  --> tests/ui/assign_ops.rs:12:5
   |
LL |     a = 1 + a;
   |     ^^^^^^^^^ help: replace it with: `a += 1`

error: manual implementation of an assign operation
  --> tests/ui/assign_ops.rs:14:5
   |
LL |     a = a - 1;
   |     ^^^^^^^^^ help: replace it with: `a -= 1`

error: manual implementation of an assign operation
  --> tests/ui/assign_ops.rs:16:5
   |
LL |     a = a * 99;
   |     ^^^^^^^^^^ help: replace it with: `a *= 99`

error: manual implementation of an assign operation
  --> tests/ui/assign_ops.rs:18:5
   |
LL |     a = 42 * a;
   |     ^^^^^^^^^^ help: replace it with: `a *= 42`

error: manual implementation of an assign operation
  --> tests/ui/assign_ops.rs:20:5
   |
LL |     a = a / 2;
   |     ^^^^^^^^^ help: replace it with: `a /= 2`

error: manual implementation of an assign operation
  --> tests/ui/assign_ops.rs:22:5
   |
LL |     a = a % 5;
   |     ^^^^^^^^^ help: replace it with: `a %= 5`

error: manual implementation of an assign operation
  --> tests/ui/assign_ops.rs:24:5
   |
LL |     a = a & 1;
   |     ^^^^^^^^^ help: replace it with: `a &= 1`

error: manual implementation of an assign operation
  --> tests/ui/assign_ops.rs:31:5
   |
LL |     s = s + "bla";
   |     ^^^^^^^^^^^^^ help: replace it with: `s += "bla"`

error: manual implementation of an assign operation
  --> tests/ui/assign_ops.rs:36:5
   |
LL |     a = a + Wrapping(1u32);
   |     ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `a += Wrapping(1u32)`

error: manual implementation of an assign operation
  --> tests/ui/assign_ops.rs:39:5
   |
LL |     v[0] = v[0] + v[1];
   |     ^^^^^^^^^^^^^^^^^^ help: replace it with: `v[0] += v[1]`

error: manual implementation of an assign operation
  --> tests/ui/assign_ops.rs:52:5
   |
LL |     buf = buf + cows.clone();
   |     ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `buf += cows.clone()`

error: aborting due to 12 previous errors