{
  "graph": null,
  "err": {
    "ioerr": null,
    "errs": [
      {
        "range": "d2/testdata/d2compiler/TestCompile2/scenarios/recursive#01.d2,8:1:51-8:4:54",
        "errmsg": "d2/testdata/d2compiler/TestCompile2/scenarios/recursive#01.d2:9:2: layer name one already used by another layer"
      }
    ]
  }
}