error[E0583]: file not found for module `baz` --> $DIR/auxiliary/foo/bar.rs:1:1 | LL | pub mod baz; | ^^^^^^^^^^^^ | = help: to create the module `baz`, create file "$DIR/auxiliary/foo/bar/baz.rs" or "$DIR/auxiliary/foo/bar/baz/mod.rs" error: aborting due to previous error For more information about this error, try `rustc --explain E0583`.