Milo: Add task expired as a failure status

milo/appengine/logdog/build.go

 // Copyright 2016 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
 package logdog
 
 import (
         "errors"
         "fmt"
         "net/http"
@@ skipping 284 matching lines @@
         }
 
         var (
                 build resp.MiloBuild
                 ub    = logDogURLBuilder{
                         project: as.project,
                         host:    as.host,
                         prefix:  prefix,
                 }
         )
-        AddLogDogToBuild(c, &ub, &streams, &build)
+        AddLogDogToBuild(c, &ub, streams.MainStream.Data, &build)
         return &build
 }
 
 type logDogURLBuilder struct {
         host    string
         prefix  types.StreamName
         project config.ProjectName
 }
 
 func (b *logDogURLBuilder) BuildLink(l *miloProto.Link) *resp.Link {
@@ skipping 38 matching lines @@
                 if link.Label == "" {
                         link.Label = "unnamed"
                 }
                 return &link
 
         default:
                 // Don't know how to render.
                 return nil
         }
 }