Updated dependencies and ran go vet

src/go/pt-mongodb-query-digest/main.go

@@ -70,7 +70,8 @@ func main() {
 
 	logLevel, err := log.ParseLevel(opts.LogLevel)
 	if err != nil {
-		fmt.Errorf("cannot set log level: %s", err.Error())
+		fmt.Printf("Cannot set log level: %s", err.Error())
+		os.Exit(1)
 	}
 	log.SetLevel(logLevel)
 
@@ -113,7 +114,7 @@ func main() {
 		os.Exit(4)
 	}
 
-	if isProfilerEnabled == false {
+	if !isProfilerEnabled {
 		count, err := systemProfileDocsCount(session, di.Database)
 		if err != nil || count == 0 {
 			log.Error("Profiler is not enabled")

src/go/pt-mongodb-query-digest/main_test.go

@@ -72,14 +72,6 @@ func TestParseArgs(t *testing.T) {
 		{
 			args: []string{TOOLNAME, "zapp.brannigan.net:27018/samples", "--help"},
 			want: nil,
-			//want: &options{
-			//	Host:            "zapp.brannigan.net:27018/samples",
-			//	LogLevel:        DEFAULT_LOGLEVEL,
-			//	OrderBy:         strings.Split(DEFAULT_ORDERBY, ","),
-			//	SkipCollections: strings.Split(DEFAULT_SKIPCOLLECTIONS, ","),
-			//	AuthDB:          DEFAULT_AUTHDB,
-			//	Help:            true,
-			//},
 		},
 		{
 			args: []string{TOOLNAME, "zapp.brannigan.net:27018/samples"},