thiserror
Cargov2.0.20derive(Error)
Not recommended for new projects
No — thiserror should not be adopted for new projects. No license declared — you have no explicit right to use this code.
- ?Adoption: grade ?, Not reported by this registry.
No download data reported for this package yet.
- AMaintenance: grade A, Excellent.
Last published 33 days ago. 27 releases in the last 2 years.
- AWeight: grade A, Excellent.
Zero runtime dependencies.
- BSupply chain: grade B, Good.
This package has a single maintainer (bus factor of 1).
- FLicense: grade F, Failing.
No license declared — you have no explicit right to use this code.
Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.
Install cost
What you actually take on by adding thiserror to a project.
Runtime packages this one declares itself.
Distinct packages in the full runtime tree, deduplicated the way a package manager would.
Unpacked size of this package plus its entire runtime tree.
Longest resolved dependency chain below this package.
Compatibility
- Rust edition
- No constraint declared
thiserror vs the alternatives
Packages solving a similar problem in the cargo ecosystem, compared on the signals that drive an adoption decision.
| Package | Weekly downloads | Dependents | License | Last release |
|---|---|---|---|---|
| thiserrorthis page | 0 | 0 | — | 1 month ago |
| anyhow | 0 | 0 | — | 1 day ago |
Release history
17 releases in the last two years, typically about 5 days apart.
| Version | Published | Size | License |
|---|---|---|---|
| 2.0.20latest | 1 month ago | — | MIT OR Apache-2.0 |
| 2.0.19 | 1 month ago | — | MIT OR Apache-2.0 |
| 2.0.18 | 7 months ago | — | MIT OR Apache-2.0 |
| 2.0.17 | 11 months ago | — | MIT OR Apache-2.0 |
| 2.0.16 | 1 year ago | — | MIT OR Apache-2.0 |
| 2.0.15 | 1 year ago | — | MIT OR Apache-2.0 |
| 2.0.14 | 1 year ago | — | MIT OR Apache-2.0 |
| 2.0.13 | 1 year ago | — | MIT OR Apache-2.0 |
| 2.0.12 | 1 year ago | — | MIT OR Apache-2.0 |
| 2.0.11 | 1 year ago | — | MIT OR Apache-2.0 |
| 2.0.10 | 1 year ago | — | MIT OR Apache-2.0 |
| 2.0.9 | 1 year ago | — | MIT OR Apache-2.0 |
| 2.0.8 | 1 year ago | — | MIT OR Apache-2.0 |
| 2.0.7 | 1 year ago | — | MIT OR Apache-2.0 |
| 2.0.6 | 1 year ago | — | MIT OR Apache-2.0 |
Overview
thiserror is an Cargo package that derive(Error). The latest version is 2.0.20.
Who should use it
Teams working in the Cargo ecosystem who need derive(Error) and value a focused solution.
When not to use it
Consider an alternative if you need to or if a more actively-maintained option better fits your Cargo stack.
Pros
- Zero runtime dependencies — minimal footprint.
Cons
- No license detected — review usage terms before adopting.
Auto-generated from collected registry metadata. No external claims are inferred.
Maintainers
Keywords
Frequently asked questions
Should I use thiserror?
No — thiserror should not be adopted for new projects. No license declared — you have no explicit right to use this code.
How do I install thiserror?
Run `cargo add thiserror` to add thiserror to your Cargo project.
What license is thiserror released under?
No license was detected in thiserror's metadata; review the repository before use.
Is thiserror still maintained?
The most recent release of thiserror (v2.0.20) was published 1 month ago.