new format

crushmap Ok(CrushMap {
                magic: 65536,
                max_buckets: 8,
                max_rules: 1,
                max_devices: 3,
                buckets: [Straw(Straw(CrushBucketStraw {
                bucket: Bucket {
                    id: -1,
                    bucket_type: SetChooseLocalTries,
                    alg: Straw,
                    hash: RJenkins1,
                    weight: 0,
                    size: 3,
                    items: [(-2, Some("ip-172-31-43-147")), (-3, Some("ip-172-31-22-2")), (-4, Some("ip-172-31-4-56"))],
                    perm_n: 0,
                    perm: 3
                },
                item_weights: [(0, 0), (0, 0), (0, 0)]
            })), Straw(Straw(CrushBucketStraw {
                bucket: Bucket {
                    id: -2,
                    bucket_type: Take,
                    alg: Straw,
                    hash: RJenkins1,
                    weight: 0,
                    size: 1,
                    items: [(0, Some("osd.0"))],
                    perm_n: 0,
                    perm: 1
                },
                item_weights: [(0, 0)]
            })), Straw(Straw(CrushBucketStraw {
                bucket: Bucket {
                    id: -3,
                    bucket_type: Take,
                    alg: Straw,
                    hash: RJenkins1,
                    weight: 0,
                    size: 1,
                    items: [(1, Some("osd.1"))],
                    perm_n: 0,
                    perm: 1
                },
                item_weights: [(0, 0)]
            })), Straw(Straw(CrushBucketStraw {
                bucket: Bucket {
                    id: -4,
                    bucket_type: Take,
                    alg: Straw,
                    hash: RJenkins1,
                    weight: 0,
                    size: 1,
                    items: [(2, Some("osd.2"))],
                    perm_n: 0,
                    perm: 1
                },
                item_weights: [(0, 0)]
            })), Unknown, Unknown, Unknown, Unknown],
                rules: [Some(Rule { mask: CrushRuleMask {
                ruleset: 0,
                rule_type: Replicated,
                min_size: 1,
                max_size: 10,
            }, steps: [CrushRuleStep {
                op: Take,
                arg1: (-1, None),
                arg2: (0, Some("osd")),
            }, CrushRuleStep {
                op: ChooseLeafFirstN,
                arg1: (0, Some("osd")),
                arg2: (1, Some("host")),
            }, CrushRuleStep {
                op: Emit,
                arg1: (0, Some("osd")),
                arg2: (0, Some("osd")),
            }] })],
                name_map: [(-4, "ip-172-31-4-56"), (-3, "ip-172-31-22-2"), (-2, "ip-172-31-43-147"), (-1, "default"), (0, "osd.0"), (1, "osd.1"), (2, "osd.2")],
                rule_name_map: [(0, "replicated_ruleset")],
                choose_local_tries: Some(0),
                choose_local_fallback_tries: Some(0),
                choose_total_tries: Some(50),
                chooseleaf_descend_once: Some(1),
                chooseleaf_vary_r: Some(1),
                straw_calc_version: Some(0),
                allowed_bucket_algorithms: Some(0),
                chooseleaf_stable: Some(0),
            })