[
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_MODULE[depot_tools::git]/resources/git_setup.py",
      "--path",
      "[START_DIR]/swarming.client",
      "--url",
      "https://chromium.googlesource.com/infra/luci/client-py.git"
    ],
    "name": "git setup (swarming_client)"
  },
  {
    "cmd": [
      "git",
      "retry",
      "fetch",
      "origin",
      "master",
      "--progress"
    ],
    "cwd": "[START_DIR]/swarming.client",
    "env": {
      "PATH": "RECIPE_PACKAGE_REPO[depot_tools]:<PATH>"
    },
    "infra_step": true,
    "name": "git fetch (swarming_client)"
  },
  {
    "cmd": [
      "git",
      "checkout",
      "-f",
      "FETCH_HEAD"
    ],
    "cwd": "[START_DIR]/swarming.client",
    "infra_step": true,
    "name": "git checkout (swarming_client)"
  },
  {
    "cmd": [
      "git",
      "rev-parse",
      "HEAD"
    ],
    "cwd": "[START_DIR]/swarming.client",
    "infra_step": true,
    "name": "read revision",
    "stdout": "/path/to/tmp/",
    "~followup_annotations": [
      "@@@STEP_TEXT@<br/>checked out 'deadbeef'<br/>@@@"
    ]
  },
  {
    "cmd": [
      "git",
      "clean",
      "-f",
      "-d",
      "-x"
    ],
    "cwd": "[START_DIR]/swarming.client",
    "infra_step": true,
    "name": "git clean (swarming_client)"
  },
  {
    "cmd": [
      "git",
      "submodule",
      "sync"
    ],
    "cwd": "[START_DIR]/swarming.client",
    "infra_step": true,
    "name": "submodule sync (swarming_client)"
  },
  {
    "cmd": [
      "git",
      "submodule",
      "update",
      "--init",
      "--recursive"
    ],
    "cwd": "[START_DIR]/swarming.client",
    "infra_step": true,
    "name": "submodule update (swarming_client)"
  },
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
      "--",
      "RECIPE_PACKAGE_REPO[depot_tools]/gsutil.py",
      "----",
      "ls",
      "gs://chromium-v8/isolated/foo.v8/V8 Foobar/a0.json"
    ],
    "infra_step": true,
    "name": "gsutil lookup isolates for #0",
    "stderr": "/path/to/tmp/",
    "~followup_annotations": [
      "step returned non-zero exit code: 1",
      "@@@STEP_LINK@a0@https://chromium.googlesource.com/v8/v8/+/a0@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_MODULE[depot_tools::gitiles]/resources/gerrit_client.py",
      "--json-file",
      "/path/to/tmp/json",
      "--url",
      "https://chromium.googlesource.com/v8/v8/+log/a0~1",
      "--format",
      "json",
      "--log-limit",
      "1"
    ],
    "name": "get revision #1",
    "~followup_annotations": [
      "@@@STEP_TEXT@<br />3 commits fetched@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"log\": [@@@",
      "@@@STEP_LOG_LINE@json.output@    {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"commit\": \"a1\"@@@",
      "@@@STEP_LOG_LINE@json.output@    }, @@@",
      "@@@STEP_LOG_LINE@json.output@    {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"commit\": \"a2\"@@@",
      "@@@STEP_LOG_LINE@json.output@    }, @@@",
      "@@@STEP_LOG_LINE@json.output@    {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"commit\": \"a3\"@@@",
      "@@@STEP_LOG_LINE@json.output@    }@@@",
      "@@@STEP_LOG_LINE@json.output@  ]@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
      "--",
      "RECIPE_PACKAGE_REPO[depot_tools]/gsutil.py",
      "----",
      "ls",
      "gs://chromium-v8/isolated/foo.v8/V8 Foobar/a1.json"
    ],
    "infra_step": true,
    "name": "gsutil lookup isolates for #1",
    "stderr": "/path/to/tmp/",
    "~followup_annotations": [
      "@@@STEP_LINK@a1@https://chromium.googlesource.com/v8/v8/+/a1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "calibration attempt 1"
  },
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
      "--",
      "RECIPE_PACKAGE_REPO[depot_tools]/gsutil.py",
      "----",
      "cp",
      "gs://chromium-v8/isolated/foo.v8/V8 Foobar/a1.json",
      "/path/to/tmp/json"
    ],
    "infra_step": true,
    "name": "calibration attempt 1.gsutil get isolates for #1",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"foo_isolated\": \"[dummy hash for foo_isolated]\"@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@"
    ]
  },
  {
    "cmd": [],
    "name": "calibration attempt 1.check mjsunit/foobar at #1",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_TEXT@2 failures@@@",
      "@@@STEP_FAILURE@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "-u",
      "[START_DIR]/swarming.client/swarming.py",
      "trigger",
      "--swarming",
      "https://chromium-swarm.appspot.com",
      "--isolate-server",
      "https://isolateserver.appspot.com",
      "--priority",
      "25",
      "--shards",
      "1",
      "--task-name",
      "check mjsunit/foobar at #1 - shard 0/Ubuntu-14.04/[dummy has",
      "--dump-json",
      "/path/to/tmp/json",
      "--expiration",
      "3600",
      "--io-timeout",
      "1200",
      "--hard-timeout",
      "3600",
      "--dimension",
      "cpu",
      "x86-64",
      "--dimension",
      "gpu",
      "none",
      "--dimension",
      "os",
      "Ubuntu-14.04",
      "--dimension",
      "pool",
      "Chrome",
      "--named-cache",
      "swarming_module_cache_vpython",
      ".swarming_module_cache/vpython",
      "--tag",
      "build_is_experimental:false",
      "--tag",
      "data:[dummy hash for foo_isolated]",
      "--tag",
      "name:check",
      "--tag",
      "purpose:v8-flake-bisect",
      "--tag",
      "stepname:check mjsunit/foobar at #1 - shard 0",
      "--user",
      "v8-flake-bisect",
      "--cipd-package",
      ".swarming_module:infra/python/cpython/${platform}:TEST_VERSION",
      "--cipd-package",
      ".swarming_module:infra/tools/luci/logdog/butler/${platform}:TEST_VERSION",
      "--cipd-package",
      ".swarming_module:infra/tools/luci/vpython-native/${platform}:TEST_VERSION",
      "--cipd-package",
      ".swarming_module:infra/tools/luci/vpython/${platform}:TEST_VERSION",
      "--env-prefix",
      "PATH",
      ".swarming_module",
      "--env-prefix",
      "PATH",
      ".swarming_module/bin",
      "--env-prefix",
      "VPYTHON_VIRTUALENV_ROOT",
      ".swarming_module_cache/vpython",
      "--isolated",
      "[dummy hash for foo_isolated]",
      "--raw-cmd",
      "--",
      "tools/run-tests.py",
      "--progress=verbose",
      "--mode=Debug",
      "--outdir=out",
      "--timeout=20",
      "--swarming",
      "--variants=stress_foo",
      "--foo-flag",
      "--bar-flag",
      "mjsunit/foobar",
      "--random-seed-stress-count=64",
      "--exit-after-n-failures=4"
    ],
    "infra_step": true,
    "name": "calibration attempt 1.check mjsunit/foobar at #1.[trigger] check mjsunit/foobar at #1 - shard 0",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@",
      "@@@STEP_TEXT@Run on OS: 'Ubuntu-14.04'@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"check mjsunit/foobar at #1 - shard 0/Ubuntu-14.04/[dummy has\", @@@",
      "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"check mjsunit/foobar at #1 - shard 0/Ubuntu-14.04/[dummy has\": {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"shard_index\": 0, @@@",
      "@@@STEP_LOG_LINE@json.output@      \"task_id\": \"10000\", @@@",
      "@@@STEP_LOG_LINE@json.output@      \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"@@@",
      "@@@STEP_LOG_LINE@json.output@    }@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LINK@shard #0@https://chromium-swarm.appspot.com/user/task/10000@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "-u",
      "[START_DIR]/swarming.client/swarming.py",
      "trigger",
      "--swarming",
      "https://chromium-swarm.appspot.com",
      "--isolate-server",
      "https://isolateserver.appspot.com",
      "--priority",
      "25",
      "--shards",
      "1",
      "--task-name",
      "check mjsunit/foobar at #1 - shard 1/Ubuntu-14.04/[dummy has",
      "--dump-json",
      "/path/to/tmp/json",
      "--expiration",
      "3600",
      "--io-timeout",
      "1200",
      "--hard-timeout",
      "3600",
      "--dimension",
      "cpu",
      "x86-64",
      "--dimension",
      "gpu",
      "none",
      "--dimension",
      "os",
      "Ubuntu-14.04",
      "--dimension",
      "pool",
      "Chrome",
      "--named-cache",
      "swarming_module_cache_vpython",
      ".swarming_module_cache/vpython",
      "--tag",
      "build_is_experimental:false",
      "--tag",
      "data:[dummy hash for foo_isolated]",
      "--tag",
      "name:check",
      "--tag",
      "purpose:v8-flake-bisect",
      "--tag",
      "stepname:check mjsunit/foobar at #1 - shard 1",
      "--user",
      "v8-flake-bisect",
      "--cipd-package",
      ".swarming_module:infra/python/cpython/${platform}:TEST_VERSION",
      "--cipd-package",
      ".swarming_module:infra/tools/luci/logdog/butler/${platform}:TEST_VERSION",
      "--cipd-package",
      ".swarming_module:infra/tools/luci/vpython-native/${platform}:TEST_VERSION",
      "--cipd-package",
      ".swarming_module:infra/tools/luci/vpython/${platform}:TEST_VERSION",
      "--env-prefix",
      "PATH",
      ".swarming_module",
      "--env-prefix",
      "PATH",
      ".swarming_module/bin",
      "--env-prefix",
      "VPYTHON_VIRTUALENV_ROOT",
      ".swarming_module_cache/vpython",
      "--isolated",
      "[dummy hash for foo_isolated]",
      "--raw-cmd",
      "--",
      "tools/run-tests.py",
      "--progress=verbose",
      "--mode=Debug",
      "--outdir=out",
      "--timeout=20",
      "--swarming",
      "--variants=stress_foo",
      "--foo-flag",
      "--bar-flag",
      "mjsunit/foobar",
      "--random-seed-stress-count=64",
      "--exit-after-n-failures=4"
    ],
    "infra_step": true,
    "name": "calibration attempt 1.check mjsunit/foobar at #1.[trigger] check mjsunit/foobar at #1 - shard 1",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@",
      "@@@STEP_TEXT@Run on OS: 'Ubuntu-14.04'@@@",
      "@@@STEP_LOG_LINE@json.output@{@@@",
      "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"check mjsunit/foobar at #1 - shard 1/Ubuntu-14.04/[dummy has\", @@@",
      "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
      "@@@STEP_LOG_LINE@json.output@    \"check mjsunit/foobar at #1 - shard 1/Ubuntu-14.04/[dummy has\": {@@@",
      "@@@STEP_LOG_LINE@json.output@      \"shard_index\": 0, @@@",
      "@@@STEP_LOG_LINE@json.output@      \"task_id\": \"110000\", @@@",
      "@@@STEP_LOG_LINE@json.output@      \"view_url\": \"https://chromium-swarm.appspot.com/user/task/110000\"@@@",
      "@@@STEP_LOG_LINE@json.output@    }@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LINK@shard #0@https://chromium-swarm.appspot.com/user/task/110000@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_PACKAGE_REPO[build]/scripts/tools/runit.py",
      "--show-path",
      "--with-third-party-lib",
      "--",
      "python",
      "RECIPE_MODULE[build::swarming]/resources/collect_task.py",
      "-o",
      "/path/to/tmp/json",
      "--task-output-dir",
      "[TMP_BASE]/v8-flake-bisect-_tmp_1/task_output_dir_0",
      "--merge-script",
      "RECIPE_MODULE[build::swarming]/resources/noop_merge.py",
      "--merge-script-stdout-file",
      "/path/to/tmp/merge_script_log",
      "--merge-additional-args",
      "[]",
      "--",
      "python",
      "-u",
      "[START_DIR]/swarming.client/swarming.py",
      "collect",
      "--swarming",
      "https://chromium-swarm.appspot.com",
      "--decorate",
      "--print-status-updates",
      "--json",
      "{\"base_task_name\": \"check mjsunit/foobar at #1 - shard 0/Ubuntu-14.04/[dummy has\", \"tasks\": {\"check mjsunit/foobar at #1 - shard 0/Ubuntu-14.04/[dummy has\": {\"shard_index\": 0, \"task_id\": \"10000\", \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"}}}",
      "--task-summary-json",
      "/path/to/tmp/json"
    ],
    "name": "calibration attempt 1.check mjsunit/foobar at #1.check mjsunit/foobar at #1 - shard 0",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@",
      "@@@STEP_TEXT@Run on OS: 'Ubuntu-14.04'<br>Pending time: 0:01:11<br>Shard duration: 0:01:00@@@",
      "@@@STEP_LOG_LINE@json.output@{}@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@swarming.summary@{@@@",
      "@@@STEP_LOG_LINE@swarming.summary@  \"shards\": [@@@",
      "@@@STEP_LOG_LINE@swarming.summary@    {@@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"abandoned_ts\": null, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"bot_id\": \"vm30\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"completed_ts\": \"2014-09-25T01:43:11.123\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"created_ts\": \"2014-09-25T01:41:00.123\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"duration\": 31.5, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"exit_code\": \"0\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"failure\": false, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"internal_failure\": false, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"modified_ts\": \"2014-09-25 01:42:00\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"name\": \"heartbeat-canary-2014-09-25_01:41:55-os=Windows\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"output\": \"=== All tests succeeded\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"outputs_ref\": {@@@",
      "@@@STEP_LOG_LINE@swarming.summary@        \"isolated\": \"abc123\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@        \"isolatedserver\": \"https://isolateserver.appspot.com\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@        \"namespace\": \"default-gzip\"@@@",
      "@@@STEP_LOG_LINE@swarming.summary@      }, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"started_ts\": \"2014-09-25T01:42:11.123\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"state\": \"COMPLETED\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"task_id\": \"148aa78d7aa0000\"@@@",
      "@@@STEP_LOG_LINE@swarming.summary@    }@@@",
      "@@@STEP_LOG_LINE@swarming.summary@  ]@@@",
      "@@@STEP_LOG_LINE@swarming.summary@}@@@",
      "@@@STEP_LOG_END@swarming.summary@@@",
      "@@@STEP_LOG_LINE@Merge script log@@@@",
      "@@@STEP_LOG_END@Merge script log@@@",
      "@@@STEP_LINK@shard #0 isolated out@https://isolateserver.appspot.com/browse?namespace=default-gzip&hash=abc123@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_PACKAGE_REPO[build]/scripts/tools/runit.py",
      "--show-path",
      "--with-third-party-lib",
      "--",
      "python",
      "RECIPE_MODULE[build::swarming]/resources/collect_task.py",
      "-o",
      "/path/to/tmp/json",
      "--task-output-dir",
      "[TMP_BASE]/v8-flake-bisect-_tmp_1/task_output_dir_1",
      "--merge-script",
      "RECIPE_MODULE[build::swarming]/resources/noop_merge.py",
      "--merge-script-stdout-file",
      "/path/to/tmp/merge_script_log",
      "--merge-additional-args",
      "[]",
      "--",
      "python",
      "-u",
      "[START_DIR]/swarming.client/swarming.py",
      "collect",
      "--swarming",
      "https://chromium-swarm.appspot.com",
      "--decorate",
      "--print-status-updates",
      "--json",
      "{\"base_task_name\": \"check mjsunit/foobar at #1 - shard 1/Ubuntu-14.04/[dummy has\", \"tasks\": {\"check mjsunit/foobar at #1 - shard 1/Ubuntu-14.04/[dummy has\": {\"shard_index\": 0, \"task_id\": \"110000\", \"view_url\": \"https://chromium-swarm.appspot.com/user/task/110000\"}}}",
      "--task-summary-json",
      "/path/to/tmp/json"
    ],
    "name": "calibration attempt 1.check mjsunit/foobar at #1.check mjsunit/foobar at #1 - shard 1",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@2@@@",
      "step returned non-zero exit code: 1",
      "@@@STEP_TEXT@Run on OS: 'Ubuntu-14.04'<br>Pending time: 0:01:11<br>Shard duration: 0:01:00@@@",
      "@@@STEP_LOG_LINE@json.output@{}@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@swarming.summary@{@@@",
      "@@@STEP_LOG_LINE@swarming.summary@  \"shards\": [@@@",
      "@@@STEP_LOG_LINE@swarming.summary@    {@@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"abandoned_ts\": null, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"bot_id\": \"vm30\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"completed_ts\": \"2014-09-25T01:43:11.123\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"created_ts\": \"2014-09-25T01:41:00.123\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"duration\": 31.5, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"exit_code\": 1, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"failure\": false, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"internal_failure\": false, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"modified_ts\": \"2014-09-25 01:42:00\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"name\": \"heartbeat-canary-2014-09-25_01:41:55-os=Windows\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"output\": \"=== 2 tests failed\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"outputs_ref\": {@@@",
      "@@@STEP_LOG_LINE@swarming.summary@        \"isolated\": \"abc123\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@        \"isolatedserver\": \"https://isolateserver.appspot.com\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@        \"namespace\": \"default-gzip\"@@@",
      "@@@STEP_LOG_LINE@swarming.summary@      }, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"started_ts\": \"2014-09-25T01:42:11.123\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"state\": \"COMPLETED\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"task_id\": \"148aa78d7aa0000\"@@@",
      "@@@STEP_LOG_LINE@swarming.summary@    }@@@",
      "@@@STEP_LOG_LINE@swarming.summary@  ]@@@",
      "@@@STEP_LOG_LINE@swarming.summary@}@@@",
      "@@@STEP_LOG_END@swarming.summary@@@",
      "@@@STEP_LOG_LINE@Merge script log@@@@",
      "@@@STEP_LOG_END@Merge script log@@@",
      "@@@STEP_LINK@shard #0 isolated out@https://isolateserver.appspot.com/browse?namespace=default-gzip&hash=abc123@@@",
      "@@@STEP_FAILURE@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "rmtree",
      "[TMP_BASE]/v8-flake-bisect-_tmp_1"
    ],
    "infra_step": true,
    "name": "calibration attempt 1.rmtree [TMP_BASE]/v8-flake-bisect-_tmp_1",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@"
    ]
  },
  {
    "cmd": [],
    "name": "calibration attempt 2"
  },
  {
    "cmd": [],
    "name": "calibration attempt 2.check mjsunit/foobar at #1",
    "~followup_annotations": [
      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_TEXT@5 failures@@@",
      "@@@STEP_FAILURE@@@"
    ]
  },
  {
    "cmd": [
      "python",
      "-u",
      "[START_DIR]/swarming.client/swarming.py",
      "trigger",
      "--swarming",
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      "@@@STEP_LOG_END@json.output@@@",
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      "@@@STEP_LOG_LINE@swarming.summary@      \"duration\": 31.5, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"exit_code\": \"0\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"failure\": false, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"internal_failure\": false, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"modified_ts\": \"2014-09-25 01:42:00\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"name\": \"heartbeat-canary-2014-09-25_01:41:55-os=Windows\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"output\": \"=== All tests succeeded\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"outputs_ref\": {@@@",
      "@@@STEP_LOG_LINE@swarming.summary@        \"isolated\": \"abc123\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@        \"isolatedserver\": \"https://isolateserver.appspot.com\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@        \"namespace\": \"default-gzip\"@@@",
      "@@@STEP_LOG_LINE@swarming.summary@      }, @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"started_ts\": \"2014-09-25T01:42:11.123\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"state\": \"COMPLETED\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"task_id\": \"148aa78d7aa0000\"@@@",
      "@@@STEP_LOG_LINE@swarming.summary@    }@@@",
      "@@@STEP_LOG_LINE@swarming.summary@  ]@@@",
      "@@@STEP_LOG_LINE@swarming.summary@}@@@",
      "@@@STEP_LOG_END@swarming.summary@@@",
      "@@@STEP_LOG_LINE@Merge script log@@@@",
      "@@@STEP_LOG_END@Merge script log@@@",
      "@@@STEP_LINK@shard #0 isolated out@https://isolateserver.appspot.com/browse?namespace=default-gzip&hash=abc123@@@"
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      "@@@STEP_LOG_LINE@json.output@      \"shard_index\": 0, @@@",
      "@@@STEP_LOG_LINE@json.output@      \"task_id\": \"1170000\", @@@",
      "@@@STEP_LOG_LINE@json.output@      \"view_url\": \"https://chromium-swarm.appspot.com/user/task/1170000\"@@@",
      "@@@STEP_LOG_LINE@json.output@    }@@@",
      "@@@STEP_LOG_LINE@json.output@  }@@@",
      "@@@STEP_LOG_LINE@json.output@}@@@",
      "@@@STEP_LOG_END@json.output@@@",
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      "@@@STEP_LOG_LINE@json.output@{}@@@",
      "@@@STEP_LOG_END@json.output@@@",
      "@@@STEP_LOG_LINE@swarming.summary@{@@@",
      "@@@STEP_LOG_LINE@swarming.summary@  \"shards\": [@@@",
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      "@@@STEP_LOG_LINE@swarming.summary@      \"created_ts\": \"2014-09-25T01:41:00.123\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"duration\": 31.5, @@@",
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      "@@@STEP_LOG_LINE@swarming.summary@      \"modified_ts\": \"2014-09-25 01:42:00\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"name\": \"heartbeat-canary-2014-09-25_01:41:55-os=Windows\", @@@",
      "@@@STEP_LOG_LINE@swarming.summary@      \"output\": \"=== 3 tests failed\", @@@",
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