rustio rustio.net
65

fd-lock

v4.0.4 Growing

Advisory cross-platform lock on a file using a file descriptor to it.

MIT OR Apache-2.0 Edition 2021

Quick Verdict

  • โœ•Not updated for 1+ year
  • โœ“Stable API (4.x for 6+ years)
  • โœ“Massive adoption (1.2K crates depend on it)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
39.1M
Dependents
1.2K
Releases
23
Size
16KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

3.4M downloads in the last 30 days (112.0K/day), up 51% from the previous period.

๐Ÿ”—
Widely adopted

1.2K crates depend on fd-lock. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 156 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 6+ years

The API has been stable (1.x) for over 6 years with 23 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“
Compact crate

At 15KB, fd-lock is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include rustyline, system-interface, diesel_cli, reedline, foundry-compilers. When high-quality crates choose fd-lock, it's a strong quality signal.

Health Breakdown

Maintenance 7/25

Recency, release consistency, active ratio

Quality 19/25

Yanked ratio, deps, size, maturity, features

Community 18/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
79K/day avg+105%
050K100K150K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v3.0.13
34%
v4.0.4
32%
v4.0.2
19%
v4.0.0
10%
v3.0.8
6%

Release Timeline

23 releasessince 2019
J
F
M
A
M
J
J
A
S
O
N
D
2019
2
2020
2
2021
3
2022
6
2023
8
2024
2025
2
2026
Less
More

README

Loading README...

Maintainers

Dependencies
4
direct dependencies
Dependents
1.2K
crates depend on fd-lock

Similar Crates