error[E0601]: `main` function not found in crate `imported_main_const_forbidden` --> $DIR/imported_main_const_forbidden.rs:6:22 | LL | use foo::BAR as main; | ---------------- ^ consider adding a `main` function to `$DIR/imported_main_const_forbidden.rs` | | | non-function item at `crate::main` is found error: aborting due to previous error For more information about this error, try `rustc --explain E0601`.