Recipes: make cwd default to slave_build

scripts/slave/recipes/chromium_trybot.expected/swarming_missing_isolated.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/bot_update.py",
       "--master",
       "tryserver.chromium.linux",
       "--builder",
       "linux_chromium_rel_ng",
       "--slave",
       "TestSlavename",
       "--spec",
       "cache_dir = None\nsolutions = [{'custom_vars': {'googlecode_url': 'svn://svn-mirror.golo.chromium.org/%s', 'nacl_trunk': 'svn://svn-mirror.golo.chromium.org/native_client/trunk', 'sourceforge_url': 'svn://svn-mirror.golo.chromium.org/%(repo)s', 'webkit_trunk': 'svn://svn-mirror.golo.chromium.org/blink/trunk'}, 'deps_file': 'DEPS', 'managed': True, 'name': 'src', 'url': 'svn://svn-mirror.golo.chromium.org/chrome/trunk/src'}]",
       "--root",
       "src",
       "--revision_mapping_file",
       "{\"src\": \"got_revision\", \"src/native_client\": \"got_nacl_revision\", \"src/third_party/WebKit\": \"got_webkit_revision\", \"src/third_party/webrtc\": \"got_webrtc_revision\", \"src/tools/swarming_client\": \"got_swarming_client_revision\", \"src/v8\": \"got_v8_revision\"}",
       "--issue",
       "12853011",
       "--patchset",
       "1",
       "--rietveld_server",
       "https://codereview.chromium.org",
       "--output_json",
       "/path/to/tmp/json",
       "--revision",
       "src@HEAD"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"did_run\": true, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"patch_failure\": false, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"patch_root\": \"src\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"properties\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"got_nacl_revision\": \"d998e125e8253980d76e269b7982aeeefc1b9b50\", @@@",
       "@@@STEP_LOG_LINE@json.output@    \"got_nacl_revision_cp\": \"refs/heads/master@{#274981}\", @@@",
@@ skipping 26 matching lines @@
       "@@@SET_BUILD_PROPERTY@got_revision_cp@\"refs/heads/master@{#170242}\"@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "--version"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "swarming.py --version",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
       "@@@STEP_TEXT@0.4.10@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "env": {
       "GYP_DEFINES": "archive_gpu_tests=1 component=static_library dcheck_always_on=1 fastbuild=1 gomadir='[BUILD]/goma' target_arch=x64 test_isolation_mode=prepare use_goma=1"
     },
     "name": "gclient runhooks (with patch)"
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "[SLAVE_BUILD]/src/testing/buildbot/chromium.linux.json",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "read test spec",
     "~followup_annotations": [
       "@@@STEP_TEXT@path: [SLAVE_BUILD]/src/testing/buildbot/chromium.linux.json@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"gtest_tests\": [@@@",
       "@@@STEP_LOG_LINE@json.output@    {@@@",
       "@@@STEP_LOG_LINE@json.output@      \"swarming\": {@@@",
       "@@@STEP_LOG_LINE@json.output@        \"can_use_on_swarming_builders\": true@@@",
       "@@@STEP_LOG_LINE@json.output@      }, @@@",
       "@@@STEP_LOG_LINE@json.output@      \"test\": \"base_unittests\"@@@",
@@ skipping 17 matching lines @@
       "--output",
       "/path/to/tmp/json",
       "--",
       "--build-config-fs",
       "Release",
       "--paths",
       "{\"build\": \"[BUILD]\", \"checkout\": \"[SLAVE_BUILD]/src\"}",
       "--properties",
       "{\"buildername\": \"linux_chromium_rel_ng\", \"buildnumber\": 571, \"mastername\": \"tryserver.chromium.linux\", \"slavename\": \"TestSlavename\", \"target_platform\": \"linux\"}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "get compile targets for scripts",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{}@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
   },
   {
     "cmd": [
       "killall",
       "-9",
       "gnome-keyring-daemon"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "killall gnome-keyring-daemon"
   },
   {
     "cmd": [
       "git",
       "diff",
       "--cached",
       "--name-only"
     ],
     "cwd": "[SLAVE_BUILD]/src",
     "name": "git diff to analyze patch",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@files@foo.cc@@@",
       "@@@STEP_LOG_END@files@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "[SLAVE_BUILD]/src/testing/buildbot/trybot_analyze_config.json",
       "/path/to/tmp/json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "read filter exclusion spec",
     "~followup_annotations": [
       "@@@STEP_TEXT@path: 'testing/buildbot/trybot_analyze_config.json'@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"exclusions\": [@@@",
       "@@@STEP_LOG_LINE@json.output@      \"f.*\"@@@",
       "@@@STEP_LOG_LINE@json.output@    ]@@@",
       "@@@STEP_LOG_LINE@json.output@  }, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"chromium\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"exclusions\": []@@@",
       "@@@STEP_LOG_LINE@json.output@  }@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "import sys; sys.exit(0)"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "analyze",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@excluded_files@foo.cc (regex = 'f.*')@@@",
       "@@@STEP_LOG_END@excluded_files@@@",
       "@@@STEP_LOG_LINE@analyze_details@{@@@",
       "@@@STEP_LOG_LINE@analyze_details@  \"compile_targets\": [@@@",
       "@@@STEP_LOG_LINE@analyze_details@    \"angle_unittests_run\", @@@",
       "@@@STEP_LOG_LINE@analyze_details@    \"chrome\", @@@",
       "@@@STEP_LOG_LINE@analyze_details@    \"telemetry_gpu_test_run\", @@@",
       "@@@STEP_LOG_LINE@analyze_details@    \"tab_capture_end2end_tests_run\", @@@",
@@ skipping 38 matching lines @@
       "@@@STEP_LOG_LINE@analyze_details@}@@@",
       "@@@STEP_LOG_END@analyze_details@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/cleanup_temp.py"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "cleanup_temp"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[isolate]/resources/find_isolated_tests.py",
       "--build-dir",
       "[SLAVE_BUILD]/src/out/Release",
       "--clean-isolated-files"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "clean isolated files"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/compile.py",
       "--target",
       "Release",
       "--src-dir",
       "[SLAVE_BUILD]/src",
       "--build-tool",
       "ninja",
       "--compiler",
       "goma",
       "--goma-dir",
       "[BUILD]/goma",
       "--ninja-ensure-up-to-date",
       "--",
       "angle_unittests_run",
       "chrome",
       "telemetry_gpu_test_run",
       "tab_capture_end2end_tests_run",
       "content_gl_tests_run",
       "gl_tests_run",
       "chromium_swarm_tests"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "compile (with patch)"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[isolate]/resources/remove_build_metadata.py",
       "--build-dir",
       "[SLAVE_BUILD]/src/out/Release",
       "--src-dir",
@@ skipping 12 matching lines @@
       "/path/to/tmp/json",
       "--isolate-server",
       "https://isolateserver.appspot.com",
       "--verbose",
       "[SLAVE_BUILD]/src/out/Release/tab_capture_end2end_tests.isolated.gen.json",
       "[SLAVE_BUILD]/src/out/Release/gl_tests.isolated.gen.json",
       "[SLAVE_BUILD]/src/out/Release/content_gl_tests.isolated.gen.json",
       "[SLAVE_BUILD]/src/out/Release/angle_unittests.isolated.gen.json",
       "[SLAVE_BUILD]/src/out/Release/telemetry_gpu_test.isolated.gen.json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "isolate tests",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"angle_unittests\": \"[dummy hash for angle_unittests]\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"content_gl_tests\": \"[dummy hash for content_gl_tests]\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"gl_tests\": \"[dummy hash for gl_tests]\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tab_capture_end2end_tests\": \"[dummy hash for tab_capture_end2end_tests]\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"telemetry_gpu_test\": \"[dummy hash for telemetry_gpu_test]\"@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@"
@@ skipping 60 matching lines @@
       "--tag",
       "rietveld:https://codereview.chromium.org/12853011/#ps1",
       "--idempotent",
       "--user",
       "joe@chromium.org",
       "[dummy hash for content_gl_tests]",
       "--",
       "--use-gpu-in-tests",
       "--test-launcher-summary-output=${ISOLATED_OUTDIR}/output.json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] content_gl_tests on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"content_gl_tests on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"content_gl_tests on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@STEP_LOG_LINE@json.output@      \"shard_index\": 0, @@@",
       "@@@STEP_LOG_LINE@json.output@      \"task_id\": \"10000\", @@@",
       "@@@STEP_LOG_LINE@json.output@      \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"@@@",
       "@@@STEP_LOG_LINE@json.output@    }@@@",
@@ skipping 64 matching lines @@
       "--tag",
       "rietveld:https://codereview.chromium.org/12853011/#ps1",
       "--idempotent",
       "--user",
       "joe@chromium.org",
       "[dummy hash for gl_tests]",
       "--",
       "--use-gpu-in-tests",
       "--test-launcher-summary-output=${ISOLATED_OUTDIR}/output.json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] gl_tests on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"gl_tests on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"gl_tests on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@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@    }@@@",
@@ skipping 64 matching lines @@
       "--tag",
       "rietveld:https://codereview.chromium.org/12853011/#ps1",
       "--idempotent",
       "--user",
       "joe@chromium.org",
       "[dummy hash for angle_unittests]",
       "--",
       "--use-gpu-in-tests",
       "--test-launcher-summary-output=${ISOLATED_OUTDIR}/output.json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] angle_unittests on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"angle_unittests on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"angle_unittests on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@STEP_LOG_LINE@json.output@      \"shard_index\": 0, @@@",
       "@@@STEP_LOG_LINE@json.output@      \"task_id\": \"10000\", @@@",
       "@@@STEP_LOG_LINE@json.output@      \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"@@@",
       "@@@STEP_LOG_LINE@json.output@    }@@@",
@@ skipping 75 matching lines @@
       "--build-revision",
       "f27fede2220bcd326aee3e86ddfd4ebd0fe58cb9",
       "--test-machine-name",
       "linux_chromium_rel_ng",
       "--extra-browser-args=--enable-logging=stderr --js-flags=--expose-gc",
       "--output-format",
       "json",
       "--output-dir",
       "${ISOLATED_OUTDIR}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] maps_pixel_test on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"maps_pixel_test on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"maps_pixel_test on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@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@    }@@@",
@@ skipping 80 matching lines @@
       "--os-type",
       "linux",
       "--test-machine-name",
       "linux_chromium_rel_ng",
       "--extra-browser-args=--enable-logging=stderr --js-flags=--expose-gc",
       "--output-format",
       "json",
       "--output-dir",
       "${ISOLATED_OUTDIR}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] pixel_test on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"pixel_test on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"pixel_test on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@STEP_LOG_LINE@json.output@      \"shard_index\": 0, @@@",
       "@@@STEP_LOG_LINE@json.output@      \"task_id\": \"10000\", @@@",
       "@@@STEP_LOG_LINE@json.output@      \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"@@@",
       "@@@STEP_LOG_LINE@json.output@    }@@@",
@@ skipping 71 matching lines @@
       "--show-stdout",
       "--browser=release",
       "-v",
       "--use-devtools-active-port",
       "--extra-browser-args=--enable-logging=stderr --js-flags=--expose-gc",
       "--output-format",
       "json",
       "--output-dir",
       "${ISOLATED_OUTDIR}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] webgl_conformance on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"webgl_conformance on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"webgl_conformance on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@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@    }@@@",
@@ skipping 71 matching lines @@
       "--show-stdout",
       "--browser=release",
       "-v",
       "--use-devtools-active-port",
       "--extra-browser-args=--enable-logging=stderr --js-flags=--expose-gc",
       "--output-format",
       "json",
       "--output-dir",
       "${ISOLATED_OUTDIR}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] context_lost on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"context_lost on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"context_lost on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@STEP_LOG_LINE@json.output@      \"shard_index\": 0, @@@",
       "@@@STEP_LOG_LINE@json.output@      \"task_id\": \"10000\", @@@",
       "@@@STEP_LOG_LINE@json.output@      \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"@@@",
       "@@@STEP_LOG_LINE@json.output@    }@@@",
@@ skipping 71 matching lines @@
       "--show-stdout",
       "--browser=release",
       "-v",
       "--use-devtools-active-port",
       "--extra-browser-args=--enable-logging=stderr --js-flags=--expose-gc",
       "--output-format",
       "json",
       "--output-dir",
       "${ISOLATED_OUTDIR}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] memory_test on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"memory_test on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"memory_test on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@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@    }@@@",
@@ skipping 71 matching lines @@
       "--show-stdout",
       "--browser=release",
       "-v",
       "--use-devtools-active-port",
       "--extra-browser-args=--enable-logging=stderr --js-flags=--expose-gc",
       "--output-format",
       "json",
       "--output-dir",
       "${ISOLATED_OUTDIR}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] trace_test on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"trace_test on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"trace_test on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@STEP_LOG_LINE@json.output@      \"shard_index\": 0, @@@",
       "@@@STEP_LOG_LINE@json.output@      \"task_id\": \"10000\", @@@",
       "@@@STEP_LOG_LINE@json.output@      \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"@@@",
       "@@@STEP_LOG_LINE@json.output@    }@@@",
@@ skipping 71 matching lines @@
       "--show-stdout",
       "--browser=release",
       "-v",
       "--use-devtools-active-port",
       "--extra-browser-args=--enable-logging=stderr --js-flags=--expose-gc",
       "--output-format",
       "json",
       "--output-dir",
       "${ISOLATED_OUTDIR}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] screenshot_sync on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"screenshot_sync on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"screenshot_sync on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@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@    }@@@",
@@ skipping 71 matching lines @@
       "--show-stdout",
       "--browser=release",
       "-v",
       "--use-devtools-active-port",
       "--extra-browser-args=--enable-logging=stderr --js-flags=--expose-gc",
       "--output-format",
       "json",
       "--output-dir",
       "${ISOLATED_OUTDIR}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] hardware_accelerated_feature on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"hardware_accelerated_feature on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"hardware_accelerated_feature on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@STEP_LOG_LINE@json.output@      \"shard_index\": 0, @@@",
       "@@@STEP_LOG_LINE@json.output@      \"task_id\": \"10000\", @@@",
       "@@@STEP_LOG_LINE@json.output@      \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"@@@",
       "@@@STEP_LOG_LINE@json.output@    }@@@",
@@ skipping 71 matching lines @@
       "--show-stdout",
       "--browser=release",
       "-v",
       "--use-devtools-active-port",
       "--extra-browser-args=--enable-logging=stderr --js-flags=--expose-gc",
       "--output-format",
       "json",
       "--output-dir",
       "${ISOLATED_OUTDIR}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] gpu_process_launch on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"gpu_process_launch on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"gpu_process_launch on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@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@    }@@@",
@@ skipping 75 matching lines @@
       "--build-revision",
       "f27fede2220bcd326aee3e86ddfd4ebd0fe58cb9",
       "--test-machine-name",
       "linux_chromium_rel_ng",
       "--extra-browser-args=--enable-logging=stderr --js-flags=--expose-gc",
       "--output-format",
       "json",
       "--output-dir",
       "${ISOLATED_OUTDIR}"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] gpu_rasterization on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"gpu_rasterization on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"gpu_rasterization on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@STEP_LOG_LINE@json.output@      \"shard_index\": 0, @@@",
       "@@@STEP_LOG_LINE@json.output@      \"task_id\": \"10000\", @@@",
       "@@@STEP_LOG_LINE@json.output@      \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"@@@",
       "@@@STEP_LOG_LINE@json.output@    }@@@",
@@ skipping 63 matching lines @@
       "purpose:pre-commit",
       "--tag",
       "rietveld:https://codereview.chromium.org/12853011/#ps1",
       "--idempotent",
       "--user",
       "joe@chromium.org",
       "[dummy hash for tab_capture_end2end_tests]",
       "--",
       "--test-launcher-summary-output=${ISOLATED_OUTDIR}/output.json"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] tab_capture_end2end_tests on NVIDIA GPU on Linux (with patch) on Linux",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"tab_capture_end2end_tests on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"tab_capture_end2end_tests on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571\": {@@@",
       "@@@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@    }@@@",
@@ skipping 18 matching lines @@
       "--",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "content_gl_tests on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "content_gl_tests on NVIDIA GPU on Linux (with patch) on Linux"
   },
   {
     "allow_subannotations": true,
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[swarming]/resources/collect_gtest_task.py",
       "--swarming-client-dir",
       "[SLAVE_BUILD]/src/tools/swarming_client",
       "--temp-root-dir",
       "[TMP_BASE]",
       "--merged-test-output",
       "/path/to/tmp/json",
       "--",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "gl_tests on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "gl_tests on NVIDIA GPU on Linux (with patch) on Linux"
   },
   {
     "allow_subannotations": true,
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[swarming]/resources/collect_gtest_task.py",
       "--swarming-client-dir",
       "[SLAVE_BUILD]/src/tools/swarming_client",
       "--temp-root-dir",
       "[TMP_BASE]",
       "--merged-test-output",
       "/path/to/tmp/json",
       "--",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "angle_unittests on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "angle_unittests on NVIDIA GPU on Linux (with patch) on Linux"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "maps_pixel_test on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571",
       "--task-output-dir",
       "/path/to/tmp/"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "maps_pixel_test on NVIDIA GPU on Linux (with patch) on Linux"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "pixel_test on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571",
       "--task-output-dir",
       "/path/to/tmp/"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "pixel_test on NVIDIA GPU on Linux (with patch) on Linux"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "webgl_conformance on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571",
       "--task-output-dir",
       "/path/to/tmp/"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "webgl_conformance on NVIDIA GPU on Linux (with patch) on Linux"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "context_lost on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571",
       "--task-output-dir",
       "/path/to/tmp/"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "context_lost on NVIDIA GPU on Linux (with patch) on Linux"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "memory_test on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571",
       "--task-output-dir",
       "/path/to/tmp/"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "memory_test on NVIDIA GPU on Linux (with patch) on Linux"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "trace_test on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571",
       "--task-output-dir",
       "/path/to/tmp/"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "trace_test on NVIDIA GPU on Linux (with patch) on Linux"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "screenshot_sync on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571",
       "--task-output-dir",
       "/path/to/tmp/"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "screenshot_sync on NVIDIA GPU on Linux (with patch) on Linux"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "hardware_accelerated_feature on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571",
       "--task-output-dir",
       "/path/to/tmp/"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "hardware_accelerated_feature on NVIDIA GPU on Linux (with patch) on Linux"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "gpu_process_launch on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571",
       "--task-output-dir",
       "/path/to/tmp/"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "gpu_process_launch on NVIDIA GPU on Linux (with patch) on Linux"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/src/tools/swarming_client/swarming.py",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "gpu_rasterization on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571",
       "--task-output-dir",
       "/path/to/tmp/"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "gpu_rasterization on NVIDIA GPU on Linux (with patch) on Linux"
   },
   {
     "allow_subannotations": true,
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[swarming]/resources/collect_gtest_task.py",
       "--swarming-client-dir",
       "[SLAVE_BUILD]/src/tools/swarming_client",
       "--temp-root-dir",
       "[TMP_BASE]",
       "--merged-test-output",
       "/path/to/tmp/json",
       "--",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "tab_capture_end2end_tests on NVIDIA GPU on Linux (with patch)/Linux/[dummy has/linux_chromium_rel_ng/571"
     ],
+    "cwd": "[SLAVE_BUILD]",
     "name": "tab_capture_end2end_tests on NVIDIA GPU on Linux (with patch) on Linux"
   }
 ]