Function cargo::core::compiler::unit_dependencies::calc_artifact_deps

fn calc_artifact_deps<'a>(
    unit: &Unit,
    unit_for: UnitFor,
    dep_id: PackageId,
    deps: &[&Dependency],
    state: &State<'a, '_>,
    ret: &mut Vec<UnitDep>
) -> CargoResult<Option<&'a Target>>

Find artifacts for all deps of unit and add units that build these artifacts to ret.