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67

slog

v2.8.2 Growing

Structured, extensible, composable logging for Rust

MPL-2.0 OR MIT OR Apache-2.0 Edition 2018 MSRV 1.61
Development tools::Debugging #log#logging#structured#hierarchical

Quick Verdict

  • โœ“Stable API (2.x for 10+ years)
  • โœ“Massive adoption (4.9K crates depend on it)
  • โœ“Permissive license (MPL-2.0 OR MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
70.3M
Dependents
4.9K
Releases
70
Size
60KB

Deep Insights

๐Ÿ“‰
Download decline

2.3M downloads in the last 30 days, down 62% from the previous period. May indicate migration to alternatives.

๐Ÿ”—
Widely adopted

4.9K crates depend on slog. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 165 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 10+ years

The API has been stable (1.x) for over 10 years with 70 releases. This level of maturity means you can depend on it without worrying about breaking changes.

โš ๏ธ
Notable yanked versions

11% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include uuid, slog-term, slog-async, sentry, slog-json. When high-quality crates choose slog, it's a strong quality signal.

Health Breakdown

Maintenance 9/25

Recency, release consistency, active ratio

Quality 18/25

Yanked ratio, deps, size, maturity, features

Community 18/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 14/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
161K/day avg-89%
0100K200K300K400K500K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v2.7.0
78%
v2.8.2
18%
v2.5.2
4%
v2.5.0
0%
v2.8.0-beta.2
0%

Release Timeline

10 releases3 yankedsince 2019
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J
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A
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D
2019
3
2020
1
2021
2022
2023
1
2024
1
2025
4
2026
Less
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Yanked

Feature Flags

default =["std", "nested-values"]

std*anyhownothreadsdynamic-keysmax_level_offnested-values*max_level_infomax_level_warnmax_level_debugmax_level_errormax_level_traceparking_lot_0_12release_max_level_offrelease_max_level_inforelease_max_level_warnrelease_max_level_debugrelease_max_level_errorrelease_max_level_trace

README

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Maintainers

Dependencies
8
direct dependencies
Dependents
4.9K
crates depend on slog

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