demo of step.context bot_update issue

scripts/slave/recipes/blink_downstream.expected/too_many_failures_for_retcode.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "\nimport sys, os\npath = sys.argv[1]\nmode = int(sys.argv[2])\nif not os.path.isdir(path):\n  if os.path.exists(path):\n    print \"%s exists but is not a dir\" % path\n    sys.exit(1)\n  os.makedirs(path, mode)\n",
       "[BUILDER_CACHE]/V8_Blink_Linux_64",
       "511"
     ],
     "name": "makedirs checkout path",
@@ skipping 176 matching lines @@
       "@@@STEP_LOG_END@json.output@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_PACKAGE_REPO[depot_tools]/gclient.py",
       "runhooks"
     ],
-    "cwd": "[BUILDER_CACHE]/V8_Blink_Linux_64/src",
+    "cwd": "[SLAVE_BUILD]/src",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
       "GYP_CHROMIUM_NO_ACTION": "1",
       "GYP_DEFINES": "component=static_library gomadir='[CACHE]/cipd/goma' target_arch=x64 use_goma=1",
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
     "name": "gclient runhooks"
   },
   {
     "cmd": [
       "python",
       "-u",
-      "[BUILDER_CACHE]/V8_Blink_Linux_64/src/tools/mb/mb.py",
+      "[SLAVE_BUILD]/src/tools/mb/mb.py",
       "gen",
       "-m",
       "client.v8.fyi",
       "-b",
       "V8-Blink Linux 64",
       "--config-file",
-      "[BUILDER_CACHE]/V8_Blink_Linux_64/src/tools/mb/mb_config.pyl",
+      "[SLAVE_BUILD]/src/tools/mb/mb_config.pyl",
       "--goma-dir",
       "[CACHE]/cipd/goma",
       "//out/Release"
     ],
-    "cwd": "[BUILDER_CACHE]/V8_Blink_Linux_64/src",
+    "cwd": "[SLAVE_BUILD]/src",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
     "name": "generate_build_files (with patch)"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_PACKAGE_REPO[build]/scripts/tools/runit.py",
       "--show-path",
       "python",
       "RECIPE_PACKAGE_REPO[build]/scripts/slave/compile.py",
       "--gsutil-py-path",
       "RECIPE_PACKAGE_REPO[depot_tools]/gsutil.py",
       "--ninja-path",
       "RECIPE_PACKAGE_REPO[depot_tools]/ninja",
       "--target",
       "Release",
       "--src-dir",
-      "[BUILDER_CACHE]/V8_Blink_Linux_64/src",
+      "[SLAVE_BUILD]/src",
       "--goma-cache-dir",
       "[GOMA_CACHE]",
       "--goma-deps-cache-dir",
       "[GOMA_DEPS_CACHE]",
       "--compiler",
       "goma",
       "--goma-jsonstatus",
       "/path/to/tmp/json",
       "--goma-service-account-json-file",
       "/creds/service_accounts/service-account-goma-client.json",
@@ skipping 49 matching lines @@
       "--builder-name=V8-Blink Linux 64",
       "--slave-name=TestSlavename",
       "--build-number=571",
       "--run-python-script",
       "RECIPE_PACKAGE_REPO[build]/scripts/slave/chromium/layout_test_wrapper.py",
       "--target",
       "Release",
       "-o",
       "[SLAVE_BUILD]/layout-test-results",
       "--build-dir",
-      "[BUILDER_CACHE]/V8_Blink_Linux_64/src/out",
+      "[SLAVE_BUILD]/src/out",
       "--json-test-results",
       "/path/to/tmp/json",
       "--test-results-server",
       "test-results.appspot.com",
       "--build-number",
       "571",
       "--builder-name",
       "V8-Blink Linux 64",
       "--step-name",
       "webkit_tests (with patch)",
       "--no-pixel-tests",
       "--additional-expectations",
-      "[BUILDER_CACHE]/V8_Blink_Linux_64/src/v8/tools/blink_tests/TestExpectations"
+      "[SLAVE_BUILD]/src/v8/tools/blink_tests/TestExpectations"
     ],
     "cwd": "[BUILDER_CACHE]/V8_Blink_Linux_64",
     "name": "webkit_tests (with patch)",
     "~followup_annotations": [
       "step returned non-zero exit code: 101",
       "@@@STEP_TEXT@<br/>unexpected_flakes:<br/>flake/slow.html<br/>flake/totally-flakey.html<br/>flake/timeout-then-crash.html<br/><br/>unexpected_failures:<br/>bad/failing78.html<br/>bad/failing46.html<br/>bad/failing101.html<br/>bad/failing37.html<br/>bad/failing70.html<br/>bad/failing17.html<br/>bad/failing82.html<br/>bad/failing120.html<br/>bad/failing73.html<br/>bad/failing112.html<br/>bad/failing114.html<br/>bad/failing99.html<br/>bad/failing27.html<br/>bad/failing108.html<br/>bad/failing76.html<br/>bad/failing50.html<br/>bad/failing23.html<br/>bad/failing104.html<br/>bad/failing93.html<br/>bad/failing67.html<br/>bad/failing124.html<br/>bad/failing53.html<br/>bad/failing69.html<br/>bad/failing117.html<br/>bad/failing34.html<br/>bad/failing51.html<br/>bad/failing80.html<br/>bad/failing20.html<br/>bad/failing107.html<br/>bad/failing56.html<br/>bad/failing68.html<br/>bad/failing71.html<br/>bad/failing77.html<br/>bad/failing39.html<br/>bad/failing92.html<br/>bad/failing90.html<br/>bad/failing89.html<br/>bad/failing122.html<br/>bad/failing105.html<br/>tricky/totally-maybe-not-awesome.html<br/>bad/failing36.html<br/>bad/failing44.html<br/>bad/failing21.html<br/>bad/failing85.html<br/>bad/failing42.html<br/>bad/failing55.html<br/>bad/failing9.html<br/>bad/failing15.html<br/>bad/failing65.html<br/>bad/failing118.html<br/>bad/failing95.html<br/>bad/failing45.html<br/>bad/failing66.html<br/>bad/failing26.html<br/>bad/failing35.html<br/>bad/failing74.html<br/>bad/failing109.html<br/>bad/failing97.html<br/>bad/failing58.html<br/>bad/totally-bad-probably.html<br/>bad/failing11.html<br/>bad/failing111.html<br/>bad/failing86.html<br/>bad/failing30.html<br/>bad/failing54.html<br/>bad/failing38.html<br/>bad/failing13.html<br/>bad/failing63.html<br/>bad/failing116.html<br/>bad/failing41.html<br/>bad/failing18.html<br/>bad/failing84.html<br/>bad/failing2.html<br/>bad/failing28.html<br/>bad/failing33.html<br/>bad/failing106.html<br/>bad/failing48.html<br/>bad/failing0.html<br/>bad/failing4.html<br/>bad/failing64.html<br/>bad/failing47.html<br/>bad/failing121.html<br/>bad/failing25.html<br/>bad/failing8.html<br/>bad/failing100.html<br/>bad/failing102.html<br/>bad/failing123.html<br/>bad/failing88.html<br/>bad/failing61.html<br/>bad/failing79.html<br/>bad/failing43.html<br/>bad/failing57.html<br/>bad/failing16.html<br/>bad/failing96.html<br/>bad/failing94.html<br/>bad/failing119.html<br/>bad/failing113.html<br/>bad/failing72.html<br/>bad/failing1.html<br/>bad/failing103.html<br/>bad/failing110.html<br/>bad/failing32.html<br/>bad/failing12.html<br/>bad/failing10.html<br/>bad/failing40.html<br/>bad/failing5.html<br/>bad/failing75.html<br/>bad/failing98.html<br/>bad/failing115.html<br/>bad/failing49.html<br/>bad/failing6.html<br/>bad/failing19.html<br/>bad/failing87.html<br/>bad/failing59.html<br/>bad/failing22.html<br/>bad/failing24.html<br/>bad/failing3.html<br/>bad/failing91.html<br/>bad/failing60.html<br/>bad/failing81.html<br/>bad/failing83.html<br/>bad/failing62.html<br/>bad/failing52.html<br/>bad/failing29.html<br/>bad/failing31.html<br/>bad/failing7.html<br/>bad/failing14.html<br/><br/>Total executed: 9001<br/>@@@",
       "@@@STEP_FAILURE@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_PACKAGE_REPO[build]/scripts/slave/chromium/archive_layout_test_results.py",
       "--results-dir",
       "[SLAVE_BUILD]/layout-test-results",
       "--build-dir",
-      "[BUILDER_CACHE]/V8_Blink_Linux_64/src/out",
+      "[SLAVE_BUILD]/src/out",
       "--build-number",
       "571",
       "--builder-name",
       "V8-Blink Linux 64",
       "--gs-bucket",
       "gs://chromium-layout-test-archives",
       "--staging-dir",
       "[CACHE]/chrome_staging"
     ],
     "cwd": "[BUILDER_CACHE]/V8_Blink_Linux_64",
@@ skipping 92 matching lines @@
       "@@@STEP_LOG_LINE@json.output@  \"root\": \"src\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"step_text\": \"Some step text\"@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
-      "[BUILDER_CACHE]/V8_Blink_Linux_64/src/tools/mb/mb.py",
+      "[SLAVE_BUILD]/src/tools/mb/mb.py",
       "gen",
       "-m",
       "client.v8.fyi",
       "-b",
       "V8-Blink Linux 64",
       "--config-file",
-      "[BUILDER_CACHE]/V8_Blink_Linux_64/src/tools/mb/mb_config.pyl",
+      "[SLAVE_BUILD]/src/tools/mb/mb_config.pyl",
       "--goma-dir",
       "[CACHE]/cipd/goma",
       "//out/Release"
     ],
-    "cwd": "[BUILDER_CACHE]/V8_Blink_Linux_64/src",
+    "cwd": "[SLAVE_BUILD]/src",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
     "name": "generate_build_files (without patch)"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_PACKAGE_REPO[build]/scripts/tools/runit.py",
       "--show-path",
       "python",
       "RECIPE_PACKAGE_REPO[build]/scripts/slave/compile.py",
       "--gsutil-py-path",
       "RECIPE_PACKAGE_REPO[depot_tools]/gsutil.py",
       "--ninja-path",
       "RECIPE_PACKAGE_REPO[depot_tools]/ninja",
       "--target",
       "Release",
       "--src-dir",
-      "[BUILDER_CACHE]/V8_Blink_Linux_64/src",
+      "[SLAVE_BUILD]/src",
       "--goma-cache-dir",
       "[GOMA_CACHE]",
       "--goma-deps-cache-dir",
       "[GOMA_DEPS_CACHE]",
       "--compiler",
       "goma",
       "--goma-jsonstatus",
       "/path/to/tmp/json",
       "--goma-service-account-json-file",
       "/creds/service_accounts/service-account-goma-client.json",
@@ skipping 28 matching lines @@
       "--builder-name=V8-Blink Linux 64",
       "--slave-name=TestSlavename",
       "--build-number=571",
       "--run-python-script",
       "RECIPE_PACKAGE_REPO[build]/scripts/slave/chromium/layout_test_wrapper.py",
       "--target",
       "Release",
       "-o",
       "[SLAVE_BUILD]/layout-test-results",
       "--build-dir",
-      "[BUILDER_CACHE]/V8_Blink_Linux_64/src/out",
+      "[SLAVE_BUILD]/src/out",
       "--json-test-results",
       "/path/to/tmp/json",
       "--test-results-server",
       "test-results.appspot.com",
       "--build-number",
       "571",
       "--builder-name",
       "V8-Blink Linux 64",
       "--step-name",
       "webkit_tests (without patch)",
       "--no-pixel-tests",
       "--additional-expectations",
-      "[BUILDER_CACHE]/V8_Blink_Linux_64/src/v8/tools/blink_tests/TestExpectations",
+      "[SLAVE_BUILD]/src/v8/tools/blink_tests/TestExpectations",
       "--test-list",
       "bad/failing78.html\nbad/failing46.html\nbad/failing101.html\nbad/failing37.html\nbad/failing70.html\nbad/failing17.html\nbad/failing82.html\nbad/failing120.html\nbad/failing73.html\nbad/failing112.html\nbad/failing114.html\nbad/failing99.html\nbad/failing27.html\nbad/failing108.html\nbad/failing76.html\nbad/failing50.html\nbad/failing23.html\nbad/failing104.html\nbad/failing93.html\nbad/failing67.html\nbad/failing124.html\nbad/failing53.html\nbad/failing69.html\nbad/failing117.html\nbad/failing34.html\nbad/failing51.html\nbad/failing80.html\nbad/failing20.html\nbad/failing107.html\nbad/failing56.html\nbad/failing68.html\nbad/failing71.html\nbad/failing77.html\nbad/failing39.html\nbad/failing92.html\nbad/failing90.html\nbad/failing89.html\nbad/failing122.html\nbad/failing105.html\ntricky/totally-maybe-not-awesome.html\nbad/failing36.html\nbad/failing44.html\nbad/failing21.html\nbad/failing85.html\nbad/failing42.html\nbad/failing55.html\nbad/failing9.html\nbad/failing15.html\nbad/failing65.html\nbad/failing118.html\nbad/failing95.html\nbad/failing45.html\nbad/failing66.html\nbad/failing26.html\nbad/failing35.html\nbad/failing74.html\nbad/failing109.html\nbad/failing97.html\nbad/failing58.html\nbad/totally-bad-probably.html\nbad/failing11.html\nbad/failing111.html\nbad/failing86.html\nbad/failing30.html\nbad/failing54.html\nbad/failing38.html\nbad/failing13.html\nbad/failing63.html\nbad/failing116.html\nbad/failing41.html\nbad/failing18.html\nbad/failing84.html\nbad/failing2.html\nbad/failing28.html\nbad/failing33.html\nbad/failing106.html\nbad/failing48.html\nbad/failing0.html\nbad/failing4.html\nbad/failing64.html\nbad/failing47.html\nbad/failing121.html\nbad/failing25.html\nbad/failing8.html\nbad/failing100.html\nbad/failing102.html\nbad/failing123.html\nbad/failing88.html\nbad/failing61.html\nbad/failing79.html\nbad/failing43.html\nbad/failing57.html\nbad/failing16.html\nbad/failing96.html\nbad/failing94.html\nbad/failing119.html\nbad/failing113.html\nbad/failing72.html\nbad/failing1.html\nbad/failing103.html\nbad/failing110.html\nbad/failing32.html\nbad/failing12.html\nbad/failing10.html\nbad/failing40.html\nbad/failing5.html\nbad/failing75.html\nbad/failing98.html\nbad/failing115.html\nbad/failing49.html\nbad/failing6.html\nbad/failing19.html\nbad/failing87.html\nbad/failing59.html\nbad/failing22.html\nbad/failing24.html\nbad/failing3.html\nbad/failing91.html\nbad/failing60.html\nbad/failing81.html\nbad/failing83.html\nbad/failing62.html\nbad/failing52.html\nbad/failing29.html\nbad/failing31.html\nbad/failing7.html\nbad/failing14.html",
       "--skipped",
       "always"
     ],
     "cwd": "[BUILDER_CACHE]/V8_Blink_Linux_64",
     "name": "webkit_tests (without patch)",
     "~followup_annotations": [
       "@@@STEP_TEXT@<br/>Total executed: 9001<br/>@@@"
     ]
@@ skipping 12 matching lines @@
       "@@@STEP_FAILURE@@@"
     ]
   },
   {
     "name": "$result",
     "reason": "1 out of 1 aggregated steps failed. Failures: Step('webkit_tests (retry summary)') failed with return_code 1",
     "recipe_result": null,
     "status_code": 1
   }
 ]