error: this creates an owned instance just for comparison
  --> $DIR/with_suggestion.rs:5:14
   |
LL |         x != "foo".to_string();
   |              ^^^^^^^^^^^^^^^^^ help: try: `"foo"`
   |
   = note: `-D clippy::cmp-owned` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::cmp_owned)]`

error: this creates an owned instance just for comparison
  --> $DIR/with_suggestion.rs:7:9
   |
LL |         "foo".to_string() != x;
   |         ^^^^^^^^^^^^^^^^^ help: try: `"foo"`

error: this creates an owned instance just for comparison
  --> $DIR/with_suggestion.rs:14:10
   |
LL |     x != "foo".to_owned();
   |          ^^^^^^^^^^^^^^^^ help: try: `"foo"`

error: this creates an owned instance just for comparison
  --> $DIR/with_suggestion.rs:16:10
   |
LL |     x != String::from("foo");
   |          ^^^^^^^^^^^^^^^^^^^ help: try: `"foo"`

error: this creates an owned instance just for comparison
  --> $DIR/with_suggestion.rs:20:5
   |
LL |     Foo.to_owned() == Foo;
   |     ^^^^^^^^^^^^^^ help: try: `Foo`

error: this creates an owned instance just for comparison
  --> $DIR/with_suggestion.rs:22:30
   |
LL |     "abc".chars().filter(|c| c.to_owned() != 'X');
   |                              ^^^^^^^^^^^^ help: try: `*c`

error: aborting due to 6 previous errors