Crate features / lock_api
Feature flags · lock_api 0.5.0 · from crates.io 2026-10-24
lock_api features: what each one does, and the line to copy
Short answerlock_api 0.5.0 has 2 features. By default it turns on atomic_usize; add default-features = false to start from nothing. It needs Rust 1.95 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
arc_lock | nothing else (a switch the code checks) | |
atomic_usize | 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 lock_api declares (rust-version), and the release that changed it:
- 0.4.11 (2023-10-17): Rust 1.49.0
- 0.4.12 (2024-04-25): Rust 1.56.0
- 0.4.13 (2025-05-29): Rust 1.64.0
- 0.4.14 (2025-10-03): Rust 1.71.0
- 0.5.0 (2026-10-21): Rust 1.95
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p lock_api --precise <version>, or use resolver 3, which picks compatible versions for you.
More on lock_api
docs.rs feature list · crates.io · license MIT OR Apache-2.0 · edition 2024
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