1 error: lifetime parameter `'f` only used once
2 --> $DIR/one-use-in-inherent-impl-header.rs:12:6
4 LL | impl<'f> Foo<'f> {
5 | ^^ -- ...is used only here
9 note: the lint level is defined here
10 --> $DIR/one-use-in-inherent-impl-header.rs:1:9
12 LL | #![deny(single_use_lifetimes)]
13 | ^^^^^^^^^^^^^^^^^^^^
14 help: elide the single-use lifetime
16 LL - impl<'f> Foo<'f> {
20 error: aborting due to previous error