Crate features / thiserror
Feature flags · thiserror 2.0.21 · from crates.io 2026-10-24
thiserror features: what each one does, and the line to copy
Short answerthiserror 2.0.21 has 1 feature. By default it turns on std; add default-features = false to start from nothing. It needs Rust 1.77 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
std | yes | nothing else (a switch the code checks) |
dep:x turns on the optional dependency x; x/y turns on feature y of dependency x (with ?, only if x is already on).
MSRV history
The minimum Rust version thiserror declares (rust-version), and the release that changed it:
- 1.0.30 (2021-10-09): Rust 1.31
- 1.0.40 (2023-03-18): Rust 1.56
- 1.0.66 (2024-10-31): Rust 1.61
- 2.0.18 (2026-01-18): Rust 1.68
- 2.0.19 (2026-07-18): Rust 1.71
- 2.0.21 (2026-09-23): Rust 1.77
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p thiserror --precise <version>, or use resolver 3, which picks compatible versions for you.
Real downloads, dependents and alternatives: thiserror crate data (5M real downloads a day, 75,923 dependents).
docs.rs feature list · crates.io · license MIT OR Apache-2.0 · edition 2021
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