error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:28:5
   |
LL |     x * -1;
   |     ^^^^^^ help: consider using: `-x`
   |
   = note: `-D clippy::neg-multiply` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::neg_multiply)]`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:31:5
   |
LL |     -1 * x;
   |     ^^^^^^ help: consider using: `-x`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:34:11
   |
LL |     100 + x * -1;
   |           ^^^^^^ help: consider using: `-x`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:37:5
   |
LL |     (100 + x) * -1;
   |     ^^^^^^^^^^^^^^ help: consider using: `-(100 + x)`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:40:5
   |
LL |     -1 * 17;
   |     ^^^^^^^ help: consider using: `-17`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:43:14
   |
LL |     0xcafe | 0xff00 * -1;
   |              ^^^^^^^^^^^ help: consider using: `-0xff00`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:46:5
   |
LL |     3_usize as i32 * -1;
   |     ^^^^^^^^^^^^^^^^^^^ help: consider using: `-(3_usize as i32)`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:48:5
   |
LL |     (3_usize as i32) * -1;
   |     ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `-(3_usize as i32)`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:60:5
   |
LL |     x * -1.0;
   |     ^^^^^^^^ help: consider using: `-x`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:63:5
   |
LL |     -1.0 * x;
   |     ^^^^^^^^ help: consider using: `-x`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:66:13
   |
LL |     100.0 + x * -1.0;
   |             ^^^^^^^^ help: consider using: `-x`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:69:5
   |
LL |     (100.0 + x) * -1.0;
   |     ^^^^^^^^^^^^^^^^^^ help: consider using: `-(100.0 + x)`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:72:5
   |
LL |     -1.0 * 17.0;
   |     ^^^^^^^^^^^ help: consider using: `-17.0`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:75:11
   |
LL |     0.0 + 0.0 * -1.0;
   |           ^^^^^^^^^^ help: consider using: `-0.0`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:78:5
   |
LL |     3.0_f32 as f64 * -1.0;
   |     ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `-(3.0_f32 as f64)`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:80:5
   |
LL |     (3.0_f32 as f64) * -1.0;
   |     ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `-(3.0_f32 as f64)`

error: this multiplication by -1 can be written more succinctly
  --> tests/ui/neg_multiply.rs:93:13
   |
LL |     let _ = ((a.delta - 0.5).abs() * -1.0).total_cmp(&1.0);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(-(a.delta - 0.5).abs())`

error: aborting due to 17 previous errors