error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:52:11
   |
LL | fn bad(x: &u32, y: &Foo, z: &Baz) {}
   |           ^^^^ help: consider passing by value instead: `u32`
   |
note: the lint level is defined here
  --> tests/ui/trivially_copy_pass_by_ref.rs:3:9
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:52:20
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:52:29
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:61:12
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:61:22
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:61:31
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:61:40
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:67:16
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:67:25
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:67:34
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:72:35
   |
LL |     fn bad_issue7518(self, other: &Self) {}
   |                                   ^^^^^ 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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:85:16
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:85:25
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:85:34
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:92:34
   |
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: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:125:21
   |
LL |     fn foo_never(x: &i32) {
   |                     ^^^^ help: consider passing by value instead: `i32`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:131:15
   |
LL |     fn foo(x: &i32) {
   |               ^^^^ help: consider passing by value instead: `i32`

error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte)
  --> tests/ui/trivially_copy_pass_by_ref.rs:159:37
   |
LL | fn _unrelated_lifetimes<'a, 'b>(_x: &'a u32, y: &'b u32) -> &'b u32 {
   |                                     ^^^^^^^ help: consider passing by value instead: `u32`

error: aborting due to 18 previous errors