[
  {
    "cmd": [
      "vpython",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "listdir",
      "[START_DIR]/lottie-samples"
    ],
    "infra_step": true,
    "name": "list lottie files",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@listdir@[START_DIR]/lottie-samples/LICENSE@@@",
      "@@@STEP_LOG_LINE@listdir@[START_DIR]/lottie-samples/lottie1.json@@@",
      "@@@STEP_LOG_LINE@listdir@[START_DIR]/lottie-samples/lottie2.json@@@",
      "@@@STEP_LOG_LINE@listdir@[START_DIR]/lottie-samples/lottie3.json@@@",
      "@@@STEP_LOG_END@listdir@@@"
    ]
  },
  {
    "cmd": [],
    "name": "RECIPE CRASH (Uncaught exception)",
    "~followup_annotations": [
      "@@@STEP_EXCEPTION@@@",
      "The recipe has crashed at point 'Uncaught exception'!",
      "",
      "Traceback (most recent call last):",
      "  File \"RECIPE_REPO[recipe_engine]/recipe_engine/internal/engine.py\", in run_steps",
      "    raw_result = recipe_obj.run_steps(api, engine)",
      "  File \"RECIPE_REPO[recipe_engine]/recipe_engine/internal/recipe_deps.py\", in run_steps",
      "    properties_def, api=api)",
      "  File \"RECIPE_REPO[recipe_engine]/recipe_engine/internal/property_invoker.py\", in invoke_with_properties",
      "    arg_names, **additional_args)",
      "  File \"RECIPE_REPO[recipe_engine]/recipe_engine/internal/property_invoker.py\", in _invoke_with_properties",
      "    return callable_obj(*props, **additional_args)",
      "  File \"RECIPE_REPO[skia]/infra/bots/recipes/perf_skottiewasm_lottieweb.py\", line 128, in RunSteps",
      "    raise Exception('Could not recognize the buildername %s' % buildername)",
      "Exception: Could not recognize the buildername Perf-Debian10-none-GCE-CPU-AVX2-x86_64-Release-All-Unrecognized"
    ]
  },
  {
    "failure": {
      "humanReason": "Uncaught Exception: Exception('Could not recognize the buildername Perf-Debian10-none-GCE-CPU-AVX2-x86_64-Release-All-Unrecognized',)"
    },
    "name": "$result"
  }
]