Crate features / rustc-hash
Feature flags · rustc-hash 2.1.3 · from crates.io 2026-10-24
rustc-hash features: what each one does, and the line to copy
Short answerrustc-hash 2.1.3 has 3 features. 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 |
|---|---|---|
nightly | nothing else (a switch the code checks) | |
rand | dep:rand, std | |
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 rustc-hash declares (rust-version), and the release that changed it:
- 2.1.2 (2026-03-28): Rust 1.77
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p rustc-hash --precise <version>, or use resolver 3, which picks compatible versions for you.
More on rustc-hash
Real downloads, dependents and alternatives: rustc-hash crate data (3M real downloads a day, 3,505 dependents).
docs.rs feature list · crates.io · license Apache-2.0 OR MIT · edition 2021
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