diff --git a/internal/rdb/rdb.go b/internal/rdb/rdb.go
index 300e402..24a264a 100644
--- a/internal/rdb/rdb.go
+++ b/internal/rdb/rdb.go
@@ -130,14 +130,14 @@ func (r *RDB) Schedule(msg *base.TaskMessage, processAt time.Time) error {
 func (r *RDB) Retry(msg *base.TaskMessage, processAt time.Time, errMsg string) error {
 	bytesToRemove, err := json.Marshal(msg)
 	if err != nil {
-		return fmt.Errorf("could not marshal %+v to json: %v", msg, err)
+		return err
 	}
 	modified := *msg
 	modified.Retried++
 	modified.ErrorMsg = errMsg
 	bytesToAdd, err := json.Marshal(&modified)
 	if err != nil {
-		return fmt.Errorf("could not marshal %+v to json: %v", modified, err)
+		return err
 	}
 	// KEYS[1] -> asynq:in_progress
 	// KEYS[2] -> asynq:retry
@@ -164,10 +164,9 @@ func (r *RDB) Retry(msg *base.TaskMessage, processAt time.Time, errMsg string) e
 	processedKey := base.ProcessedKey(now)
 	failureKey := base.FailureKey(now)
 	expireAt := now.Add(statsTTL)
-	_, err = script.Run(r.client,
+	return script.Run(r.client,
 		[]string{base.InProgressQueue, base.RetryQueue, processedKey, failureKey},
-		string(bytesToRemove), string(bytesToAdd), processAt.Unix(), expireAt.Unix()).Result()
-	return err
+		string(bytesToRemove), string(bytesToAdd), processAt.Unix(), expireAt.Unix()).Err()
 }
 
 const (
@@ -181,13 +180,13 @@ const (
 func (r *RDB) Kill(msg *base.TaskMessage, errMsg string) error {
 	bytesToRemove, err := json.Marshal(msg)
 	if err != nil {
-		return fmt.Errorf("could not marshal %+v to json: %v", msg, err)
+		return err
 	}
 	modified := *msg
 	modified.ErrorMsg = errMsg
 	bytesToAdd, err := json.Marshal(&modified)
 	if err != nil {
-		return fmt.Errorf("could not marshal %+v to json: %v", modified, err)
+		return err
 	}
 	now := time.Now()
 	limit := now.AddDate(0, 0, -deadExpirationInDays).Unix() // 90 days ago
@@ -219,10 +218,9 @@ func (r *RDB) Kill(msg *base.TaskMessage, errMsg string) error {
 	end
 	return redis.status_reply("OK")
 	`)
-	_, err = script.Run(r.client,
+	return script.Run(r.client,
 		[]string{base.InProgressQueue, base.DeadQueue, processedKey, failureKey},
-		string(bytesToRemove), string(bytesToAdd), now.Unix(), limit, maxDeadTasks, expireAt.Unix()).Result()
-	return err
+		string(bytesToRemove), string(bytesToAdd), now.Unix(), limit, maxDeadTasks, expireAt.Unix()).Err()
 }
 
 // RestoreUnfinished  moves all tasks from in-progress list to the queue
@@ -270,6 +268,6 @@ func (r *RDB) forward(from string) error {
 	return msgs
 	`)
 	now := float64(time.Now().Unix())
-	_, err := script.Run(r.client, []string{from, base.DefaultQueue}, now).Result()
-	return err
+	return script.Run(r.client,
+		[]string{from, base.DefaultQueue}, now).Err()
 }
diff --git a/internal/rdb/rdb_test.go b/internal/rdb/rdb_test.go
index 026dc93..dbf3ba4 100644
--- a/internal/rdb/rdb_test.go
+++ b/internal/rdb/rdb_test.go
@@ -285,8 +285,7 @@ func TestRetry(t *testing.T) {
 				Score: int64(z.Score),
 			})
 		}
-		cmpOpt := cmp.AllowUnexported(sortedSetEntry{})
-		if diff := cmp.Diff(tc.wantRetry, gotRetry, cmpOpt, sortZSetEntryOpt); diff != "" {
+		if diff := cmp.Diff(tc.wantRetry, gotRetry, sortZSetEntryOpt); diff != "" {
 			t.Errorf("mismatch found in %q; (-want, +got)\n%s", base.RetryQueue, diff)
 		}
 
@@ -373,7 +372,7 @@ func TestKill(t *testing.T) {
 		gotInProgressRaw := r.client.LRange(base.InProgressQueue, 0, -1).Val()
 		gotInProgress := mustUnmarshalSlice(t, gotInProgressRaw)
 		if diff := cmp.Diff(tc.wantInProgress, gotInProgress, sortMsgOpt); diff != "" {
-			t.Errorf("mismatch found in %q; (-want, +got)\n%s", base.InProgressQueue, diff)
+			t.Errorf("mismatch found in %q: (-want, +got)\n%s", base.InProgressQueue, diff)
 		}
 
 		var gotDead []sortedSetEntry
@@ -384,7 +383,6 @@ func TestKill(t *testing.T) {
 				Score: int64(z.Score),
 			})
 		}
-
 		if diff := cmp.Diff(tc.wantDead, gotDead, sortZSetEntryOpt); diff != "" {
 			t.Errorf("mismatch found in %q after calling (*RDB).Kill: (-want, +got):\n%s", base.DeadQueue, diff)
 		}
@@ -453,7 +451,6 @@ func TestRestoreUnfinished(t *testing.T) {
 		seedDefaultQueue(t, r, tc.enqueued)
 
 		got, err := r.RestoreUnfinished()
-
 		if got != tc.want || err != nil {
 			t.Errorf("(*RDB).RestoreUnfinished() = %v %v, want %v nil", got, err, tc.want)
 			continue
@@ -462,12 +459,12 @@ func TestRestoreUnfinished(t *testing.T) {
 		gotInProgressRaw := r.client.LRange(base.InProgressQueue, 0, -1).Val()
 		gotInProgress := mustUnmarshalSlice(t, gotInProgressRaw)
 		if diff := cmp.Diff(tc.wantInProgress, gotInProgress, sortMsgOpt); diff != "" {
-			t.Errorf("mismatch found in %q (-want, +got)\n%s", base.InProgressQueue, diff)
+			t.Errorf("mismatch found in %q: (-want, +got):\n%s", base.InProgressQueue, diff)
 		}
 		gotEnqueuedRaw := r.client.LRange(base.DefaultQueue, 0, -1).Val()
 		gotEnqueued := mustUnmarshalSlice(t, gotEnqueuedRaw)
 		if diff := cmp.Diff(tc.wantEnqueued, gotEnqueued, sortMsgOpt); diff != "" {
-			t.Errorf("mismatch found in %q (-want, +got)\n%s", base.DefaultQueue, diff)
+			t.Errorf("mismatch found in %q: (-want, +got):\n%s", base.DefaultQueue, diff)
 		}
 	}
 }