Decision Workspace
tracing-log vs test-log vs rlg
Side-by-side comparison of Rust crates
59
tracing-log
growingv0.2.0
Provides compatibility between `tracing` and the `log` crate.
67
test-log
growingv0.2.21
A replacement of the #[test] attribute that initializes logging and/or tracing infrastructure before running tests.
63
rlg
growingv0.0.11
A near-lock-free structured logging library for Rust. Sub-microsecond ingestion via a 65k-slot ring buffer (LMAX Disruptor pattern), deferred formatting, and native OS sinks (`os_log` on macOS via `syslog(3)`, `journald` on Linux). 14 output formats including JSON, MCP, OTLP, ECS, GELF, CEF, and Logfmt.
Core Metrics
| tracing-log | test-log | rlg | |
|---|---|---|---|
| Health Score | 59 | 67 | 63 |
| Total Downloads | 455.4M | 59.0M | 110.2K |
| 30d Downloads | 22.7M | 1.4M | 2.5K |
| Dependents | 7.2K | 18.5K | 66 |
| Releases | 9 | 15 | 11 |
| Last Updated | 992d ago | 44d ago | 7d ago |
| Age | 7y | 5y | 3y 5m |
Health Breakdown
tracing-log
Maintenance
4
Quality
16
Community
20
Popularity
8
Documentation
11
test-log
Maintenance
16
Quality
13
Community
15
Popularity
8
Documentation
15
rlg
Maintenance
18
Quality
13
Community
11
Popularity
6
Documentation
15
Technical Details
| tracing-log | test-log | rlg | |
|---|---|---|---|
| Version | 0.2.0 | 0.2.21 | 0.0.11 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | Apache-2.0 OR MIT | MIT OR Apache-2.0 |
| Dependencies | 7 | 9 | 32 |
| Crate Size | 18KB | 15KB | 132KB |
| Features | 4 | 5 | 8 |
| Yanked % | 0.0% | 6.7% | 0.0% |
| Edition | 2018 | 2021 | 2024 |
| MSRV | 1.56.0 | 1.71 | 1.88.0 |
| Owners | 2 (team) | 1 | 1 |
Links
Quick Verdict
- •test-log leads with a health score of 67/100, but none of the options score above 80.
- •tracing-log has the most downloads (455.4M), suggesting wider adoption.
- •test-log is depended on by 18.5K crates — strongest ecosystem trust.
- •⚠ tracing-log has not been updated in over a year.