Add +1 to the final bucket.

Our timeout is set to 60 by default, so the actual execution time is 60
+ a few milliseconds.  Adding +1 to the final bucket covers that case.

main.go

@@ -20,7 +20,7 @@ import (
 const (
 	// BridgestrapVersion specifies bridgestrap's version.  The version number
 	// is based on semantic versioning: https://semver.org
-	BridgestrapVersion = "0.3.0"
+	BridgestrapVersion = "0.3.1"
 )
 
 type Route struct {

metrics.go

@@ -109,7 +109,7 @@ func InitMetrics() {
 	for i := 0.5; i < TorTestTimeout.Seconds(); i *= 2 {
 		buckets = append(buckets, i)
 	}
-	buckets = append(buckets, TorTestTimeout.Seconds())
+	buckets = append(buckets, TorTestTimeout.Seconds()+1)
 
 	metrics.TorTestTime = promauto.NewHistogram(prometheus.HistogramOpts{
 		Namespace: PrometheusNamespace,