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rustc-hash

v2.1.2 Stable

A speedy, non-cryptographic hashing algorithm used by rustc

Apache-2.0 OR MIT Edition 2021 MSRV 1.77
#hash#rustc#hasher#fxhash

Quick Verdict

  • Actively maintained (updated 58d ago)
  • Stable API (2.x for 8+ years)
  • Massive adoption (47.3K crates depend on it)
  • Team maintained (3 owners)
  • Tiny footprint (15KB, 1 deps)

Security

Checking security advisories...
Downloads
531.7M
Dependents
47.3K
Releases
8
Size
15KB

Deep Insights

📈
Strong growth momentum

53.5M downloads in the last 30 days (1.8M/day), up 25% from the previous period.

🏛️
Foundational crate

47.3K crates depend on rustc-hash — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

👤
Prolific maintainer

The primary maintainer publishes 75 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

Stable for 8+ years

The API has been stable (1.x) for over 8 years with 8 releases. This level of maturity means you can depend on it without worrying about breaking changes.

🪶
Minimal dependencies

Only 1 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

📐
Compact crate

At 14KB, rustc-hash is lightweight. Small crate size correlates with focused, well-scoped functionality.

⚠️
Notable yanked versions

13% of releases have been yanked. Check version history before pinning.

🌟
Used by top crates

Notable dependents include winnow, bindgen, hashlink, quinn-proto, quinn. When high-quality crates choose rustc-hash, it's a strong quality signal.

Health Breakdown

Maintenance 12/25

Recency, release consistency, active ratio

Quality 18/25

Yanked ratio, deps, size, maturity, features

Community 17/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
1.5M/day avg+39%
0500K1.0M1.5M2.0M2.5M2/263/164/34/215/95/26

Top Dependents

Version Adoption

v1.1.0
53%
v2.1.1
32%
v2.0.0
6%
v2.1.2
5%
v2.1.0
3%

Release Timeline

8 releases1 yankedsince 2018
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2018
2
2019
2020
1
2021
2022
2023
2024
3
2025
1
2026
1
Less
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Yanked

Feature Flags

default =["std"]

std*randnightly

README

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Maintainers

Dependencies
1
direct dependencies
Dependents
47.3K
crates depend on rustc-hash

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