defmt-rtt
v1.1.0 GrowingTransmit defmt log messages over the RTT (Real-Time Transfer) protocol
Quick Verdict
- ✓Stable API (1.x for 5+ years)
- ✓Trusted by 483 crates
- ✓Team maintained (4 owners)
- ✓Tiny footprint (7KB, 2 deps)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
147.1K downloads in the last 30 days (4.9K/day). Volume is roughly flat compared to the previous period.
483 crates depend on defmt-rtt. Reasonable ecosystem adoption, though not yet a core dependency.
The primary maintainer publishes 92 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
The API has been stable (1.x) for over 5 years with 11 releases. This level of maturity means you can depend on it without worrying about breaking changes.
Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.
At 7KB, defmt-rtt is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include stm32f4xx-hal, rp-pico, ssd1306, persistent-buff, stm32f3xx-hal. When high-quality crates choose defmt-rtt, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata
Download Trend
Top Dependents
Most downloaded crates that depend on defmt-rtt