async fn fetch_dependencies(
loader: &dyn PackageLoader,
pkg: &ResolvedPackage,
graph: &DependencyGraph,
) -> Result<HashMap<PackageId, Container>, Error>
async fn fetch_dependencies(
loader: &dyn PackageLoader,
pkg: &ResolvedPackage,
graph: &DependencyGraph,
) -> Result<HashMap<PackageId, Container>, Error>