Pushing the detailed error messages to dashboard.

scripts/slave/recipe_modules/auto_bisect_staging/example.expected/failed_build.json

Index: scripts/slave/recipe_modules/auto_bisect_staging/example.expected/failed_build.json
diff --git a/scripts/slave/recipe_modules/auto_bisect_staging/example.expected/failed_build.json b/scripts/slave/recipe_modules/auto_bisect_staging/example.expected/failed_build.json
index cc1782b094c1b25355239761e293c472a101d852..6ec25ce968915a52707c2b4e338f80881270857c 100644
--- a/scripts/slave/recipe_modules/auto_bisect_staging/example.expected/failed_build.json
+++ b/scripts/slave/recipe_modules/auto_bisect_staging/example.expected/failed_build.json
@@ -1375,7 +1375,7 @@
     ],
     "cwd": "[SLAVE_BUILD]",
     "name": "Post bisect results",
-    "stdin": "{\"data\": {\"aborted_reason\": null, \"bad_revision\": \"dcdcdc0ff1122212323134879ddceeb1240b0988\", \"bisect_bot\": \"linux_perf_tester\", \"bug_id\": \"-1\", \"buildbot_log_url\": \"http://build.chromium.org/p/chromium/builders/linux_perf_bisect/builds/571\", \"change\": null, \"command\": \"src/tools/perf/run_benchmark -v --browser=release --output-format=valueset smoothness.tough_scrolling_cases\", \"culprit_data\": null, \"good_revision\": \"a6298e4afedbf2cd461755ea6f45b0ad64222222\", \"metric\": \"mean_input_event_latency/mean_input_event_latency\", \"revision_data\": [{\"commit_hash\": \"a6298e4afedbf2cd461755ea6f45b0ad64222222\", \"depot_name\": \"chromium\", \"mean_value\": null, \"result\": \"good\", \"revision_string\": \"chromium@a6298e4afe\", \"std_dev\": null, \"values\": []}], \"status\": \"failed\", \"test_type\": \"perf\", \"try_job_id\": null, \"warnings\": []}, \"url\": \"https://chromeperf.appspot.com/post_bisect_results\"}",
+    "stdin": "{\"data\": {\"aborted_reason\": \"Bisect cannot identify a culprit: Testing the \\\"bad\\\" revision failed: Failed to compile revision chromium@dcdcdc0ff1. Buildbucket job id 1201331270\", \"bad_revision\": \"dcdcdc0ff1122212323134879ddceeb1240b0988\", \"bisect_bot\": \"linux_perf_tester\", \"bug_id\": \"-1\", \"buildbot_log_url\": \"http://build.chromium.org/p/chromium/builders/linux_perf_bisect/builds/571\", \"change\": null, \"command\": \"src/tools/perf/run_benchmark -v --browser=release --output-format=valueset smoothness.tough_scrolling_cases\", \"culprit_data\": null, \"good_revision\": \"a6298e4afedbf2cd461755ea6f45b0ad64222222\", \"metric\": \"mean_input_event_latency/mean_input_event_latency\", \"revision_data\": [{\"commit_hash\": \"a6298e4afedbf2cd461755ea6f45b0ad64222222\", \"depot_name\": \"chromium\", \"mean_value\": null, \"result\": \"good\", \"revision_string\": \"chromium@a6298e4afe\", \"std_dev\": null, \"values\": []}], \"status\": \"failed\", \"test_type\": \"perf\", \"try_job_id\": null, \"warnings\": []}, \"url\": \"https://chromeperf.appspot.com/post_bisect_results\"}",
     "stdout": "/path/to/tmp/json",
     "~followup_annotations": [
       "@@@STEP_TEXT@Failed to upload result to Perf Dashboard. Error response: None@@@",