{
  "id": "#1116",
  "pr": 1116,
  "title": "perf: Overhaul `_cmpkey` to remove use of custom objects",
  "base": "baa9ea8c7fa773fc4039d090bc7ec6452b860ec6",
  "head": "f2bbd4f578644865bc5cb2534768e46563ee7f66",
  "merged": "2026-03-11",
  "after_ultra_release": false,
  "known": [
    {
      "id": "old-pickles-fail-to-load",
      "match": {
        "probe": "P4"
      },
      "fixed_by": 1163,
      "status": "verified"
    }
  ],
  "targets": [
    {
      "target": "packaging.version:Version",
      "run_id": "bt-1116-e64a53",
      "image": "bw-pair:ee5fda034cdd7462",
      "usd": 0.0894,
      "harvested": 80,
      "arms": {
        "hypothesis": {
          "classes": [],
          "known": [],
          "seconds": 6.9,
          "error": null
        },
        "mutations": {
          "classes": [
            "P4|base->head load|loads|exc:builtins.ModuleNotFoundError"
          ],
          "known": [
            "old-pickles-fail-to-load"
          ],
          "seconds": 2.7,
          "error": null
        },
        "breakwater": {
          "classes": [
            "P4|base->head load|loads|exc:builtins.ModuleNotFoundError"
          ],
          "known": [
            "old-pickles-fail-to-load"
          ],
          "seconds": 114.3,
          "error": null
        },
        "llm-plan": {
          "classes": [
            "P4|base->head load|loads|exc:builtins.ModuleNotFoundError"
          ],
          "known": [
            "old-pickles-fail-to-load"
          ],
          "seconds": 3.0,
          "error": null
        }
      },
      "findings": [
        {
          "signature": "P4|base->head load|loads|exc:builtins.ModuleNotFoundError",
          "probe": "P4",
          "detail": "base->head load",
          "args": [
            [
              "0"
            ]
          ],
          "base": "loads",
          "head": {
            "status": "exc",
            "exc": "builtins.ModuleNotFoundError"
          },
          "found_by": [
            "seed",
            "tests",
            "mutation:whitespace-outer",
            "mutation:huge-number",
            "mutation:case",
            "mutation:equivalents",
            "mutation:separators",
            "mutation:edges"
          ]
        }
      ],
      "perf": null,
      "image_rescored": "bw-pair:ee5fda034cdd7462"
    }
  ]
}