Update to go 1.13.10

Also required update to latest bazel rules-go, and uncovered a bug in
flag processing in one of our tests (locking).

WORKSPACE

@@ -1,29 +1,29 @@
-load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive", "http_file")
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 http_archive(
     name = "io_bazel_rules_go",
+    sha256 = "7b9bbe3ea1fccb46dcfa6c3f3e29ba7ec740d8733370e21cdc8937467b4a4349",
     urls = [
-        "https://storage.googleapis.com/bazel-mirror/github.com/bazelbuild/rules_go/releases/download/v0.20.2/rules_go-v0.20.2.tar.gz",
-        "https://github.com/bazelbuild/rules_go/releases/download/v0.20.2/rules_go-v0.20.2.tar.gz",
+        "https://mirror.bazel.build/github.com/bazelbuild/rules_go/releases/download/v0.22.4/rules_go-v0.22.4.tar.gz",
+        "https://github.com/bazelbuild/rules_go/releases/download/v0.22.4/rules_go-v0.22.4.tar.gz",
     ],
-    sha256 = "b9aa86ec08a292b97ec4591cf578e020b35f98e12173bbd4a921f84f583aebd9",
 )
 
 http_archive(
     name = "bazel_gazelle",
+    sha256 = "d8c45ee70ec39a57e7a05e5027c32b1576cc7f16d9dd37135b0eddde45cf1b10",
     urls = [
-        "https://storage.googleapis.com/bazel-mirror/github.com/bazelbuild/bazel-gazelle/releases/download/v0.19.1/bazel-gazelle-v0.19.1.tar.gz",
-        "https://github.com/bazelbuild/bazel-gazelle/releases/download/v0.19.1/bazel-gazelle-v0.19.1.tar.gz",
+        "https://storage.googleapis.com/bazel-mirror/github.com/bazelbuild/bazel-gazelle/releases/download/v0.20.0/bazel-gazelle-v0.20.0.tar.gz",
+        "https://github.com/bazelbuild/bazel-gazelle/releases/download/v0.20.0/bazel-gazelle-v0.20.0.tar.gz",
     ],
-    sha256 = "86c6d481b3f7aedc1d60c1c211c6f76da282ae197c3b3160f54bd3a8f847896f",
 )
 
 load("@io_bazel_rules_go//go:deps.bzl", "go_rules_dependencies", "go_register_toolchains")
 
 go_rules_dependencies()
 
 go_register_toolchains(
-    go_version = "1.13.4",
+    go_version = "1.13.10",
 )
 
 load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies", "go_repository")
@@ -69,6 +69,9 @@ container_pull(
 
 #=============================================================================
 # etcd rules
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_file")
+
 http_file(
     name = "etcd_2_2_1_tar",
     sha256 = "59f7985c81b6bc551246c165c2fd83e33a063875e4e0c61920b1d90a4910f462",

pkg/locking/lock_test.go

@@ -6,9 +6,13 @@ import (
 	"io/ioutil"
 	"path/filepath"
 	"testing"
+
+	"k8s.io/klog"
 )
 
 func init() {
+	klog.InitFlags(nil)
+
 	flag.Set("logtostderr", "true")
 	flag.Set("v", "2")
 	flag.Parse()