Decision Workspace
blocking-permit vs shuttle vs watchable
Side-by-side comparison of Rust crates
50
blocking-permit
growingv1.3.3
Permits and a thread pool for blocking operations
58
shuttle
growingv0.8.1
A library for testing concurrent Rust code
57
watchable
growingv1.1.2
A watchable RwLock-like type that is compatible with both multi-threaded and async code.
Core Metrics
| blocking-permit | shuttle | watchable | |
|---|---|---|---|
| Health Score | 50 | 58 | 57 |
| Total Downloads | 17.6K | 3.2M | 165.5K |
| 30d Downloads | 70 | 249.7K | 3.8K |
| Dependents | 9 | 548 | 24 |
| Releases | 9 | 20 | 6 |
| Last Updated | 1611d ago | 280d ago | 819d ago |
| Age | 6y 3m | 5y 5m | 4y |
Health Breakdown
blocking-permit
Maintenance
4
Quality
21
Community
8
Popularity
5
Documentation
12
shuttle
Maintenance
9
Quality
13
Community
18
Popularity
8
Documentation
10
watchable
Maintenance
5
Quality
19
Community
15
Popularity
6
Documentation
12
Technical Details
| blocking-permit | shuttle | watchable | |
|---|---|---|---|
| Version | 1.3.3 | 0.8.1 | 1.1.2 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | MIT/Apache-2.0 | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 14 | 25 | 5 |
| Crate Size | 25KB | 252KB | 16KB |
| Features | 9 | 2 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | — | 1.64 |
| Owners | 1 | 3 (team) | 2 (team) |
Links
Quick Verdict
- •shuttle leads with a health score of 58/100, but none of the options score above 80.
- •shuttle is depended on by 548 crates — strongest ecosystem trust.
- •⚠ blocking-permit, watchable have not been updated in over a year.
- •shuttle is pre-1.0 — API may change.