1error[E0601]: `main` function not found in crate `cfg_in_crate_1` 2 --> $DIR/cfg-in-crate-1.rs:3:1 3 | 4LL | #![cfg(bar)] 5 | ^^^^^^^^^^^^ consider adding a `main` function to `$DIR/cfg-in-crate-1.rs` 6 7error: aborting due to previous error 8 9For more information about this error, try `rustc --explain E0601`. 10