[
  {
    "cmd": [
      "top",
      "-b",
      "-n",
      "3",
      "-o",
      "%MEM"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "OS info"
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "rmtree",
      "[CACHE]/builder/src/out"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Clobber build output"
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "ensure-directory",
      "--mode",
      "0777",
      "[CACHE]/builder"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Ensure checkout cache"
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "listdir",
      "[CACHE]/builder"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Empty [CACHE]/builder",
    "~followup_annotations": [
      "@@@STEP_LOG_END@listdir@@@"
    ]
  },
  {
    "cmd": [],
    "name": "Mount caches"
  },
  {
    "cmd": [
      "python3",
      "-u",
      "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
      "--",
      "RECIPE_REPO[depot_tools]/gsutil.py",
      "----",
      "cat",
      "gs://flutter_archives_v2/caches/builder-linux.json"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Mount caches.gsutil cat",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_END@json.output (invalid)@@@",
      "@@@STEP_LOG_LINE@json.output (exception)@No JSON object could be decoded@@@",
      "@@@STEP_LOG_END@json.output (exception)@@@"
    ]
  },
  {
    "cmd": [],
    "name": "Checkout source code"
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
      "--spec-path",
      "cache_dir = '[CACHE]/git'\nsolutions = [{'deps_file': '.DEPS.git', 'managed': False, 'name': 'src/flutter', 'url': 'https://flutter.googlesource.com/mirrors/engine'}]",
      "--revision_mapping_file",
      "{\"got_engine_revision\": \"src/flutter\"}",
      "--git-cache-dir",
      "[CACHE]/git",
      "--cleanup-dir",
      "[CLEANUP]/bot_update",
      "--output_json",
      "/path/to/tmp/json",
      "--revision",
      "src/flutter@abcdabcdabcdabcdabcdabcdabcdabcdabcdabcd",
      "--refs",
      "refs/heads/main"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ANDROID_HOME": "[CACHE]/builder/src/third_party/android_tools/sdk",
      "ANDROID_SDK_HOME": "[CLEANUP]/tmp_tmp_1",
      "ANDROID_USER_HOME": "[CLEANUP]/tmp_tmp_1/.android",
      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
      "DEPOT_TOOLS_REPORT_BUILD": "flutter/prod/linux-host/8945511751514863184",
      "ENGINE_CHECKOUT_PATH": "[CACHE]/builder",
      "ENGINE_PATH": "[CACHE]/builder",
      "GIT_BACKENDINFO": "1",
      "GIT_BRANCH": "",
      "GIT_DAPPER_TRACE": "1",
      "GIT_HTTP_LOW_SPEED_LIMIT": "102400",
      "GIT_HTTP_LOW_SPEED_TIME": "1800",
      "GIT_SSH_COMMAND": "ssh -o SendEnv=GIT_DAPPER_TRACE -o SendEnv=GIT_BACKENDINFO",
      "GIT_TRACE2_EVENT": "[CLEANUP]/trace2-event",
      "GIT_TRACE_CURL": "[CLEANUP]/trace-curl",
      "GIT_TRACE_CURL_NO_DATA": "1",
      "GIT_TRACE_PACKET": "[CLEANUP]/trace-packet",
      "LUCI_BRANCH": "",
      "LUCI_CI": "True",
      "LUCI_CLEANUP": "[CLEANUP]",
      "LUCI_PR": "",
      "LUCI_WORKDIR": "[START_DIR]",
      "OS": "linux",
      "REVISION": "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcd"
    },
    "env_prefixes": {
      "PATH": [
        "[CACHE]/builder/src/third_party/dart/tools/sdks/dart-sdk/bin"
      ]
    },
    "env_suffixes": {
      "DEPOT_TOOLS_UPDATE": [
        "0",
        "0"
      ],
      "PATH": [
        "RECIPE_REPO[depot_tools]",
        "RECIPE_REPO[depot_tools]"
      ]
    },
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout source code.bot_update",
    "timeout": 900,
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_TEXT@Some step text@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"did_run\": true,@@@",
      "@@@STEP_LOG_LINE@json.output@  \"fixed_revisions\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"src/flutter\": \"abcdabcdabcdabcdabcdabcdabcdabcdabcdabcd\"@@@",
      "@@@STEP_LOG_LINE@json.output@  },@@@",
      "@@@STEP_LOG_LINE@json.output@  \"manifest\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"src/flutter\": {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"repository\": \"https://fake.org/src/flutter.git\",@@@",
      "@@@STEP_LOG_LINE@json.output@      \"revision\": \"abcdabcdabcdabcdabcdabcdabcdabcdabcdabcd\"@@@",
      "@@@STEP_LOG_LINE@json.output@    }@@@",
      "@@@STEP_LOG_LINE@json.output@  },@@@",
      "@@@STEP_LOG_LINE@json.output@  \"patch_failure\": false,@@@",
      "@@@STEP_LOG_LINE@json.output@  \"patch_root\": \"src/flutter\",@@@",
      "@@@STEP_LOG_LINE@json.output@  \"properties\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"got_engine_revision\": \"abcdabcdabcdabcdabcdabcdabcdabcdabcdabcd\",@@@",
      "@@@STEP_LOG_LINE@json.output@    \"got_engine_revision_cp\": \"refs/heads/main@{#84512}\",@@@",
      "@@@STEP_LOG_LINE@json.output@    \"got_revision\": \"9221bca00ddbd888260084def81f09543281b952\"@@@",
      "@@@STEP_LOG_LINE@json.output@  },@@@",
      "@@@STEP_LOG_LINE@json.output@  \"root\": \"src/flutter\",@@@",
      "@@@STEP_LOG_LINE@json.output@  \"source_manifest\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"directories\": {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"src/flutter\": {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"git_checkout\": {@@@",
      "@@@STEP_LOG_LINE@json.output@          \"repo_url\": \"https://fake.org/src/flutter.git\",@@@",
      "@@@STEP_LOG_LINE@json.output@          \"revision\": \"abcdabcdabcdabcdabcdabcdabcdabcdabcdabcd\"@@@",
      "@@@STEP_LOG_LINE@json.output@        }@@@",
      "@@@STEP_LOG_LINE@json.output@      }@@@",
      "@@@STEP_LOG_LINE@json.output@    },@@@",
      "@@@STEP_LOG_LINE@json.output@    \"version\": 0@@@",
      "@@@STEP_LOG_LINE@json.output@  },@@@",
      "@@@STEP_LOG_LINE@json.output@  \"step_text\": \"Some step text\"@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@SET_BUILD_PROPERTY@got_engine_revision@\"abcdabcdabcdabcdabcdabcdabcdabcdabcdabcd\"@@@",
      "@@@SET_BUILD_PROPERTY@got_engine_revision_cp@\"refs/heads/main@{#84512}\"@@@",
      "@@@SET_BUILD_PROPERTY@got_revision@\"9221bca00ddbd888260084def81f09543281b952\"@@@"
    ]
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_REPO[depot_tools]/gclient.py",
      "runhooks"
    ],
    "cwd": "[CACHE]/builder",
    "env": {
      "ANDROID_HOME": "[CACHE]/builder/src/third_party/android_tools/sdk",
      "ANDROID_SDK_HOME": "[CLEANUP]/tmp_tmp_1",
      "ANDROID_USER_HOME": "[CLEANUP]/tmp_tmp_1/.android",
      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
      "DEPOT_TOOLS_REPORT_BUILD": "flutter/prod/linux-host/8945511751514863184",
      "ENGINE_CHECKOUT_PATH": "[CACHE]/builder",
      "ENGINE_PATH": "[CACHE]/builder",
      "GIT_BRANCH": "",
      "LUCI_BRANCH": "",
      "LUCI_CI": "True",
      "LUCI_CLEANUP": "[CLEANUP]",
      "LUCI_PR": "",
      "LUCI_WORKDIR": "[START_DIR]",
      "OS": "linux",
      "REVISION": "abcdabcdabcdabcdabcdabcdabcdabcdabcdabcd"
    },
    "env_prefixes": {
      "PATH": [
        "[CACHE]/builder/src/third_party/dart/tools/sdks/dart-sdk/bin"
      ]
    },
    "env_suffixes": {
      "DEPOT_TOOLS_UPDATE": [
        "0"
      ],
      "PATH": [
        "RECIPE_REPO[depot_tools]",
        "RECIPE_REPO[depot_tools]"
      ]
    },
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Checkout source code.gclient runhooks",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "[CACHE]/builder/src/flutter/ci/builders/standalone/abc.json",
      "/path/to/tmp/"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Read build config file",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@abc.json@{}@@@",
      "@@@STEP_LOG_END@abc.json@@@"
    ]
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copytree",
      "[CACHE]/builder/src/out",
      "[CLEANUP]/out-cas-directory_tmp_1"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Copy host_debug_unopt"
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "RECIPE_MODULE[recipe_engine::cas]/resources/infra.sha1",
      "/path/to/tmp/"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "read infra revision",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@infra.sha1@git_revision:mock_infra_git_revision@@@",
      "@@@STEP_LOG_END@infra.sha1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "install infra/tools/luci/cas"
  },
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "ensure-directory",
      "--mode",
      "0777",
      "[START_DIR]/cipd_tool/infra/tools/luci/cas/33f9d887e5b8aeaaf9d65506acccfa8da2c480712e534a23a79e92c342c44bee"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "install infra/tools/luci/cas.ensure package directory",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "cipd",
      "ensure",
      "-root",
      "[START_DIR]/cipd_tool/infra/tools/luci/cas/33f9d887e5b8aeaaf9d65506acccfa8da2c480712e534a23a79e92c342c44bee",
      "-ensure-file",
      "infra/tools/luci/cas/${platform} git_revision:mock_infra_git_revision",
      "-max-threads",
      "0",
      "-json-output",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "install infra/tools/luci/cas.ensure_installed",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"result\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"\": [@@@",
      "@@@STEP_LOG_LINE@json.output@      {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"instance_id\": \"resolved-instance_id-of-git_revision:moc\",@@@",
      "@@@STEP_LOG_LINE@json.output@        \"package\": \"infra/tools/luci/cas/resolved-platform\"@@@",
      "@@@STEP_LOG_LINE@json.output@      }@@@",
      "@@@STEP_LOG_LINE@json.output@    ]@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@"
    ]
  },
  {
    "cmd": [
      "[START_DIR]/cipd_tool/infra/tools/luci/cas/33f9d887e5b8aeaaf9d65506acccfa8da2c480712e534a23a79e92c342c44bee/cas",
      "archive",
      "-log-level",
      "debug",
      "-cas-instance",
      "projects/example-cas-server/instances/default_instance",
      "-dump-digest",
      "/path/to/tmp/",
      "-paths-json",
      "[[\"[CLEANUP]/out-cas-directory_tmp_1\", \".\"]]"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Archive full build for None",
    "timeout": 900.0,
    "~followup_annotations": [
      "@@@STEP_LINK@CAS UI@https://cas-viewer.appspot.com/projects/example-cas-server/instances/default_instance/blobs/e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0/tree@@@"
    ]
  },
  {
    "cmd": [],
    "name": "Set output properties",
    "~followup_annotations": [
      "@@@SET_BUILD_PROPERTY@cas_output_hash@{\"full_build\": \"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/0\"}@@@"
    ]
  },
  {
    "cmd": [],
    "name": "Killing Processes"
  },
  {
    "cmd": [
      "pkill",
      "chrome"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Killing Processes.kill chrome",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "pkill",
      "dart"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Killing Processes.kill dart",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "pkill",
      "flutter"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Killing Processes.kill flutter",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "pkill",
      "java"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Killing Processes.kill java",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "pkill",
      "adb"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "Killing Processes.kill adb",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [
      "top",
      "-b",
      "-n",
      "3",
      "-o",
      "%MEM"
    ],
    "infra_step": true,
    "luci_context": {
      "realm": {
        "name": "flutter:prod"
      },
      "resultdb": {
        "current_invocation": {
          "name": "invocations/build:8945511751514863184",
          "update_token": "token"
        },
        "hostname": "rdbhost"
      }
    },
    "name": "OS info (2)"
  },
  {
    "name": "$result"
  }
]