error: replacing text with itself
  --> $DIR/no_effect_replace.rs:4:13
   |
LL |     let _ = "12345".replace('1', "1");
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::no-effect-replace` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::no_effect_replace)]`

error: replacing text with itself
  --> $DIR/no_effect_replace.rs:7:13
   |
LL |     let _ = "12345".replace("12", "12");
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: replacing text with itself
  --> $DIR/no_effect_replace.rs:9:13
   |
LL |     let _ = String::new().replace("12", "12");
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: replacing text with itself
  --> $DIR/no_effect_replace.rs:12:13
   |
LL |     let _ = "12345".replacen('1', "1", 1);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: replacing text with itself
  --> $DIR/no_effect_replace.rs:14:13
   |
LL |     let _ = "12345".replacen("12", "12", 1);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: replacing text with itself
  --> $DIR/no_effect_replace.rs:16:13
   |
LL |     let _ = String::new().replacen("12", "12", 1);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: replacing text with itself
  --> $DIR/no_effect_replace.rs:23:13
   |
LL |     let _ = "hello".replace(&x.f(), &x.f());
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: replacing text with itself
  --> $DIR/no_effect_replace.rs:27:13
   |
LL |     let _ = "hello".replace(&y(), &y());
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 8 previous errors