fn try_load_from_disk_and_cache_in_memory<Q, Qcx>(
    query: Q,
    dep_graph_data: &DepGraphData<Qcx::Deps>,
    qcx: Qcx,
    key: &Q::Key,
    dep_node: &DepNode
) -> Option<(Q::Value, DepNodeIndex)>
where Q: QueryConfig<Qcx>, Qcx: QueryContext,