[experiments] Fix start_date setup; Other minor fixes

beat/web/experiments/models.py

@@ -1025,6 +1025,9 @@ class Block(models.Model):
         # lock self - avoids concurrent update from scheduler/worker subsystem
         Block.objects.select_for_update().filter(pk=self.pk)
 
+        if self.start_date is None:
+            self.start_date = self.job.start_date
+
         if self.job.result and timings:
 
             statistics = self.job.result.stats
@@ -1040,7 +1043,7 @@ class Block(models.Model):
                 data_written_time = statistics.data['time']['write'],
                 stdout = self.job.result.stdout,
                 stderr = self.job.result.stderr,
-                error_message = self.job.result.usrerr,
+                error_report = self.job.result.usrerr,
                 queuing_time = timings['queuing'],
                 linear_execution_time = timings['linear_execution'],
                 speed_up_real = timings['speed_up_real'],
@@ -1049,10 +1052,11 @@ class Block(models.Model):
 
             self.outputs.update(**info)
 
-
         self.status = self.job.status
 
-        self.job.result.delete() #cascades to job deletion and split deletion
+        if self.job.done():
+            self.end_date = self.job.end_date
+            self.job.result.delete() #cascades to job/job split deletion
 
         # Loads Results from cache
         if self.job.result and self.analyzer and self.status == Block.CACHED: