rackspace reponse header structs
diff --git a/acceptance/rackspace/objectstorage/v1/containers_test.go b/acceptance/rackspace/objectstorage/v1/containers_test.go
index a7339cf..c895513 100644
--- a/acceptance/rackspace/objectstorage/v1/containers_test.go
+++ b/acceptance/rackspace/objectstorage/v1/containers_test.go
@@ -57,29 +57,34 @@
 		t.Errorf("No containers listed for your current token.")
 	}
 
-	createres := raxContainers.Create(c, "gophercloud-test", nil)
-	th.AssertNoErr(t, createres.Err)
+	createHeader, err := raxContainers.Create(c, "gophercloud-test", nil).Extract()
+	th.AssertNoErr(t, err)
+	t.Logf("Headers from Create Container request: %+v\n", createHeader)
 	defer func() {
-		res := raxContainers.Delete(c, "gophercloud-test")
-		th.AssertNoErr(t, res.Err)
+		deleteres := raxContainers.Delete(c, "gophercloud-test")
+		deleteHeader, err := deleteres.Extract()
+		th.AssertNoErr(t, err)
+		t.Logf("Headers from Delete Container request: %+v\n", deleteres.Header)
+		t.Logf("Headers from Delete Container request: %+v\n", deleteHeader)
 	}()
 
-	updateres := raxContainers.Update(c, "gophercloud-test", raxContainers.UpdateOpts{Metadata: map[string]string{"white": "mountains"}})
-	th.AssertNoErr(t, updateres.Err)
-	t.Logf("Headers from Update Account request: %+v\n", updateres.Header)
+	updateHeader, err := raxContainers.Update(c, "gophercloud-test", raxContainers.UpdateOpts{Metadata: map[string]string{"white": "mountains"}}).Extract()
+	th.AssertNoErr(t, err)
+	t.Logf("Headers from Update Container request: %+v\n", updateHeader)
 	defer func() {
 		res := raxContainers.Update(c, "gophercloud-test", raxContainers.UpdateOpts{Metadata: map[string]string{"white": ""}})
 		th.AssertNoErr(t, res.Err)
 		metadata, err := raxContainers.Get(c, "gophercloud-test").ExtractMetadata()
 		th.AssertNoErr(t, err)
-		t.Logf("Metadata from Get Account request (after update reverted): %+v\n", metadata)
+		t.Logf("Metadata from Get Container request (after update reverted): %+v\n", metadata)
 		th.CheckEquals(t, metadata["White"], "")
 	}()
 
 	getres := raxContainers.Get(c, "gophercloud-test")
-	t.Logf("Headers from Get Account request (after update): %+v\n", getres.Header)
-	metadata, err := getres.ExtractMetadata()
+	getHeader, err := getres.Extract()
 	th.AssertNoErr(t, err)
-	t.Logf("Metadata from Get Account request (after update): %+v\n", metadata)
+	t.Logf("Headers from Get Container request (after update): %+v\n", getHeader)
+	metadata, err := getres.ExtractMetadata()
+	t.Logf("Metadata from Get Container request (after update): %+v\n", metadata)
 	th.CheckEquals(t, metadata["White"], "mountains")
 }