1 error[E0433]: failed to resolve: use of undeclared crate or module `foo`
2 --> $DIR/issue-72911.rs:12:33
4 LL | fn gather_from_file(dir_entry: &foo::MissingItem) -> impl Iterator<Item = Lint> {
5 | ^^^ use of undeclared crate or module `foo`
7 error[E0433]: failed to resolve: use of undeclared crate or module `foo`
8 --> $DIR/issue-72911.rs:17:41
10 LL | fn lint_files() -> impl Iterator<Item = foo::MissingItem> {
11 | ^^^ use of undeclared crate or module `foo`
13 error[E0277]: `()` is not an iterator
14 --> $DIR/issue-72911.rs:7:24
16 LL | pub fn gather_all() -> impl Iterator<Item = Lint> {
17 | ^^^^^^^^^^^^^^^^^^^^^^^^^^ `()` is not an iterator
19 = help: the trait `Iterator` is not implemented for `()`
21 error: aborting due to 3 previous errors
23 Some errors have detailed explanations: E0277, E0433.
24 For more information about an error, try `rustc --explain E0277`.