fix

pool.go

@@ -83,15 +83,13 @@ func (d *Pool) WithContext(ctx context.Context) *Pool {
 }
 
 func (d *Pool) WithTimeout(dur time.Duration) *Pool {
-	ctx, cancel := context.WithTimeout(d.ctx, dur)
-	defer cancel()
+	ctx, _ := context.WithTimeout(d.ctx, dur)
 
 	return d.WithContext(ctx)
 }
 
 func (d *Pool) WithDeadline(dur time.Time) *Pool {
-	ctx, cancel := context.WithDeadline(d.ctx, dur)
-	defer cancel()
+	ctx, _ := context.WithDeadline(d.ctx, dur)
 
 	return d.WithContext(ctx)
 }