Checking for failure in requested builds.

scripts/slave/recipe_modules/auto_bisect/bisector.py

Index: scripts/slave/recipe_modules/auto_bisect/bisector.py
diff --git a/scripts/slave/recipe_modules/auto_bisect/bisector.py b/scripts/slave/recipe_modules/auto_bisect/bisector.py
index ec12023d8fd828e0b922f907e5b357505a27bd11..fe6d14b0a0531461b43065225cfce3346d87e17e 100644
--- a/scripts/slave/recipe_modules/auto_bisect/bisector.py
+++ b/scripts/slave/recipe_modules/auto_bisect/bisector.py
@@ -654,9 +654,8 @@ class Bisector(object):
       self.wait_for(r)
 
   def wait_for(self, revision):
-    """Waits for any of the revisions in the list to finish its job(s)."""
+    """Waits for the revision to finish its job."""
     with self.api.m.step.nest('Waiting for ' + revision.revision_string()):
-      start_time = time.time()
       while True:
         revision.update_status()
         if revision.in_progress:
@@ -665,13 +664,9 @@ class Bisector(object):
               """
               import sys
               import time
-              time.sleep(300)
+              time.sleep(20*60)
               sys.exit(0)
               """)
-          elapsed_time = time.time() - start_time
-          if elapsed_time > 3 * 60 * 60:  # pragma: no cover
-            # Timed out waiting for build
-            revision.status = revision.FAILED
         else:
           break