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err_tools vs easy-error vs error_mapper

Side-by-side comparison of Rust crates

Core Metrics

err_toolseasy-errorerror_mapper
Health Score484845
Total Downloads10.1K472.8K19.5K
30d Downloads19125.4K80
Dependents283180
Releases4616
Last Updated52d ago1788d ago280d ago
Age5y 3m6y 9m2y 6m

Health Breakdown

err_tools
Maintenance
12
Quality
15
Community
7
Popularity
5
Documentation
9
easy-error
Maintenance
3
Quality
17
Community
12
Popularity
7
Documentation
9
error_mapper
Maintenance
9
Quality
13
Community
6
Popularity
5
Documentation
12

Technical Details

err_toolseasy-errorerror_mapper
Version0.2.21.0.00.4.0
Stable (≥1.0)✗ No✓ Yes✗ No
LicenseMITMITMIT
Dependencies208
Crate Size6KB7KB31KB
Features009
Yanked %0.0%16.7%6.3%
Edition201820182024
MSRV1.87.0
Owners111

Quick Verdict

  • err_tools leads with a health score of 48/100, but none of the options score above 80.
  • easy-error has the most downloads (472.8K), suggesting wider adoption.
  • easy-error is depended on by 318 crates — strongest ecosystem trust.
  • ⚠ easy-error has not been updated in over a year.
  • err_tools, error_mapper are pre-1.0 — API may change.