fn try_load_from_disk_and_cache_in_memory<CTX, K, V>(
    tcx: CTX,
    key: &K,
    dep_node: &DepNode<CTX::DepKind>,
    query: &QueryVTable<CTX, K, V>
) -> Option<(V, DepNodeIndex)> where
    K: Clone,
    CTX: QueryContext,
    V: Debug,