error: this creates an owned instance just for comparison
  --> $DIR/cmp_owned.rs:18:14
   |
18 |         x != "foo".to_string();
   |              ^^^^^^^^^^^^^^^^^ help: try: `"foo"`
   |
   = note: `-D clippy::cmp-owned` implied by `-D warnings`

error: this creates an owned instance just for comparison
  --> $DIR/cmp_owned.rs:20:9
   |
20 |         "foo".to_string() != x;
   |         ^^^^^^^^^^^^^^^^^ help: try: `"foo"`

error: this creates an owned instance just for comparison
  --> $DIR/cmp_owned.rs:27:10
   |
27 |     x != "foo".to_owned();
   |          ^^^^^^^^^^^^^^^^ help: try: `"foo"`

error: this creates an owned instance just for comparison
  --> $DIR/cmp_owned.rs:29:10
   |
29 |     x != String::from("foo");
   |          ^^^^^^^^^^^^^^^^^^^ help: try: `"foo"`

error: this creates an owned instance just for comparison
  --> $DIR/cmp_owned.rs:33:5
   |
33 |     Foo.to_owned() == Foo;
   |     ^^^^^^^^^^^^^^ help: try: `Foo`

error: this creates an owned instance just for comparison
  --> $DIR/cmp_owned.rs:40:9
   |
40 |         self.to_owned() == *other
   |         ^^^^^^^^^^^^^^^ try calling implementing the comparison without allocating

error: aborting due to 6 previous errors