1 warning: the feature `track_caller` is incomplete and may cause the compiler to crash
2 --> $DIR/only-for-fns.rs:1:12
4 LL | #![feature(track_caller)]
7 = note: `#[warn(incomplete_features)]` on by default
9 error[E0739]: attribute should be applied to function
10 --> $DIR/only-for-fns.rs:3:1
15 | --------- not a function
17 error: aborting due to previous error