Function walk_all 

pub fn walk_all(
    generator: &'static str,
    directory: &str,
) -> Result<Vec<SourceFile>, Error>

Parses every .rs file under directory, test modules included.

What the environment generator needs: the harness switches it has to classify live in exactly the files walk skips, and a variable it cannot see is a variable the allow-list cannot classify.

Errors

As walk.