if ($build->finished) {
        $c->stash->{prevBuilds} = [$c->model('DB::Builds')->search(
            { jobset_id => $c->stash->{jobset}->id
            , job => $c->stash->{job}
            , 'me.system' => $build->system
            , finished => 1
            , buildstatus => 0
            , 'me.id' =>  { '<=' => $build->id }
            }
          , { join => "actualBuildStep"
            , "+select" => ["actualBuildStep.stoptime - actualBuildStep.starttime"]
            , "+as" => ["actualBuildTime"]
            , order_by => "me.id DESC"
            , rows => 50
            }
          )
        ];
    }