error: cannot find attribute `empty_helper` in this scope --> $DIR/disappearing-resolution.rs:18:3 | LL | #[empty_helper] | ^^^^^^^^^^^^ error[E0603]: derive macro import `Empty` is private --> $DIR/disappearing-resolution.rs:11:8 | LL | use m::Empty; | ^^^^^ private derive macro import | note: the derive macro import `Empty` is defined here... --> $DIR/disappearing-resolution.rs:9:9 | LL | use test_macros::Empty; | ^^^^^^^^^^^^^^^^^^ note: ...and refers to the derive macro `Empty` which is defined here --> $DIR/auxiliary/test-macros.rs:25:1 | LL | pub fn empty_derive(_: TokenStream) -> TokenStream { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ you could import this directly help: import `Empty` directly | LL | use test_macros::Empty; | ~~~~~~~~~~~~~~~~~~ error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0603`.