error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:51:11
   |
LL | fn bad(x: &u32, y: &Foo, z: &Baz) {}
   |           ^^^^ help: consider passing by value instead: `u32`
   |
note: the lint level is defined here
  --> $DIR/trivially_copy_pass_by_ref.rs:4:9
   |
LL | #![deny(clippy::trivially_copy_pass_by_ref)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:51:20
   |
LL | fn bad(x: &u32, y: &Foo, z: &Baz) {}
   |                    ^^^^ help: consider passing by value instead: `Foo`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:51:29
   |
LL | fn bad(x: &u32, y: &Foo, z: &Baz) {}
   |                             ^^^^ help: consider passing by value instead: `Baz`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:58:12
   |
LL |     fn bad(&self, x: &u32, y: &Foo, z: &Baz) {}
   |            ^^^^^ help: consider passing by value instead: `self`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:58:22
   |
LL |     fn bad(&self, x: &u32, y: &Foo, z: &Baz) {}
   |                      ^^^^ help: consider passing by value instead: `u32`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:58:31
   |
LL |     fn bad(&self, x: &u32, y: &Foo, z: &Baz) {}
   |                               ^^^^ help: consider passing by value instead: `Foo`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:58:40
   |
LL |     fn bad(&self, x: &u32, y: &Foo, z: &Baz) {}
   |                                        ^^^^ help: consider passing by value instead: `Baz`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:60:16
   |
LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
   |                ^^^^ help: consider passing by value instead: `u32`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:60:25
   |
LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
   |                         ^^^^ help: consider passing by value instead: `Foo`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:60:34
   |
LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
   |                                  ^^^^ help: consider passing by value instead: `Baz`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:72:16
   |
LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
   |                ^^^^ help: consider passing by value instead: `u32`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:72:25
   |
LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
   |                         ^^^^ help: consider passing by value instead: `Foo`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:72:34
   |
LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
   |                                  ^^^^ help: consider passing by value instead: `Baz`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:76:34
   |
LL |     fn trait_method(&self, _foo: &Foo);
   |                                  ^^^^ help: consider passing by value instead: `Foo`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
  --> $DIR/trivially_copy_pass_by_ref.rs:80:37
   |
LL |     fn trait_method2(&self, _color: &Color);
   |                                     ^^^^^^ help: consider passing by value instead: `Color`

error: aborting due to 15 previous errors