error[E0271]: type mismatch resolving `<Counter as BuildMetric>::Builder == MetricBuilder<Buckets>`
 --> tests/ui/metrics/unnecessary_buckets.rs:7:14
  |
7 |     counter: Counter,
  |              ^^^^^^^ expected `MetricBuilder`, found `MetricBuilder<Buckets>`
  |
  = note: expected struct `MetricBuilder<()>`
             found struct `MetricBuilder<Buckets>`