Update go dependencies

vendor/k8s.io/apiserver/pkg/server/healthz/BUILD

@@ -9,8 +9,7 @@ load(
 go_test(
     name = "go_default_test",
     srcs = ["healthz_test.go"],
-    importpath = "k8s.io/apiserver/pkg/server/healthz",
-    library = ":go_default_library",
+    embed = [":go_default_library"],
 )
 
 go_library(

vendor/k8s.io/apiserver/pkg/server/healthz/healthz.go

@@ -106,9 +106,10 @@ func handleRootHealthz(checks ...HealthzChecker) http.HandlerFunc {
 		failed := false
 		var verboseOut bytes.Buffer
 		for _, check := range checks {
-			if check.Check(r) != nil {
+			if err := check.Check(r); err != nil {
 				// don't include the error since this endpoint is public.  If someone wants more detail
 				// they should have explicit permission to the detailed checks.
+				glog.V(6).Infof("healthz check %v failed: %v", check.Name(), err)
 				fmt.Fprintf(&verboseOut, "[-]%v failed: reason withheld\n", check.Name())
 				failed = true
 			} else {