@@ -127,0 +153,4 @@
+
+	select {
+	case err = <-f.consumeErrors:
+	default:

@@ -159,1 +204,4 @@
+
+		t3 := time.Now()
+		log.Printf("consumer: `%dns` spent waiting, `%dns` spent consuming", t2.Sub(t1).Nanoseconds(), t3.Sub(t2).Nanoseconds())
 	}

@@ -174,1 +238,4 @@
+
+		log.Printf("producer: `%dns` spent producing, `%dns` spent waiting", t2.Sub(t1).Nanoseconds(), t3.Sub(t2).Nanoseconds())
+	}
 }