error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:56:11
   |
LL | fn bad(x: &u32, y: &Foo, z: &Baz) {}
   |           ^^^^ help: consider passing by value instead: `u32`
   |
   = note: `-D clippy::trivially-copy-pass-by-ref` implied by `-D warnings`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:56:20
   |
LL | fn bad(x: &u32, y: &Foo, z: &Baz) {}
   |                    ^^^^ help: consider passing by value instead: `Foo`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:56:29
   |
LL | fn bad(x: &u32, y: &Foo, z: &Baz) {}
   |                             ^^^^ help: consider passing by value instead: `Baz`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:63:12
   |
LL |     fn bad(&self, x: &u32, y: &Foo, z: &Baz) {}
   |            ^^^^^ help: consider passing by value instead: `self`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:63:22
   |
LL |     fn bad(&self, x: &u32, y: &Foo, z: &Baz) {}
   |                      ^^^^ help: consider passing by value instead: `u32`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:63:31
   |
LL |     fn bad(&self, x: &u32, y: &Foo, z: &Baz) {}
   |                               ^^^^ help: consider passing by value instead: `Foo`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:63:40
   |
LL |     fn bad(&self, x: &u32, y: &Foo, z: &Baz) {}
   |                                        ^^^^ help: consider passing by value instead: `Baz`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:65:16
   |
LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
   |                ^^^^ help: consider passing by value instead: `u32`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:65:25
   |
LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
   |                         ^^^^ help: consider passing by value instead: `Foo`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:65:34
   |
LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
   |                                  ^^^^ help: consider passing by value instead: `Baz`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:77:16
   |
LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
   |                ^^^^ help: consider passing by value instead: `u32`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:77:25
   |
LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
   |                         ^^^^ help: consider passing by value instead: `Foo`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:77:34
   |
LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
   |                                  ^^^^ help: consider passing by value instead: `Baz`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:81:34
   |
LL |     fn trait_method(&self, _foo: &Foo);
   |                                  ^^^^ help: consider passing by value instead: `Foo`

error: this argument is passed by reference, but would be more efficient if passed by value
  --> $DIR/trivially_copy_pass_by_ref.rs:85:37
   |
LL |     fn trait_method2(&self, _color: &Color);
   |                                     ^^^^^^ help: consider passing by value instead: `Color`

error: aborting due to 15 previous errors