https://github.com/tokio-rs/tracing

diagnostics logging logging-and-metrics logging-facade logging-library rust rust-lang tracing

Score: 36.8983079383939

Last synced: about 4 hours ago
JSON representation

Repository metadata:

Application level tracing for Rust.

Host: GitHub
URL: https://github.com/tokio-rs/tracing
Owner: tokio-rs
License: mit
Created: 2019-01-11T18:17:15.000Z (over 7 years ago)
Default Branch: main
Last Pushed: 2026-05-30T06:42:00.000Z (3 months ago)
Last Synced: 2026-08-26T00:42:43.973Z (about 14 hours ago)
Topics: diagnostics, logging, logging-and-metrics, logging-facade, logging-library, rust, rust-lang, tracing
Language: Rust
Homepage: https://tracing.rs
Size: 8.87 MB
Stars: 6,854
Watchers: 52
Forks: 926
Open Issues: 881
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Codeowners: .github/CODEOWNERS
- Security: SECURITY.md

Owner metadata:

Name: Tokio
Login: tokio-rs
Email:
Kind: organization
Description: Rust's asynchronous runtime.
Website:
Location:
Twitter:
Company:
Icon url: https://avatars.githubusercontent.com/u/20248544?v=4
Repositories: 48
Last Synced at: 2026-08-23T00:21:53.141Z
Profile URL: https://github.com/tokio-rs

GitHub Events

Total

Commit comment event: 2
Create event: 66
Delete event: 139
Discussion event: 2
Fork event: 133
Issue comment event: 461
Issues event: 157
Pull request event: 208
Pull request review comment event: 90
Pull request review event: 202
Push event: 217
Release event: 12
Watch event: 855
Total: 2544

Last Year

Commit comment event: 2
Create event: 18
Delete event: 11
Discussion event: 2
Fork event: 23
Issue comment event: 68
Issues event: 38
Pull request event: 38
Pull request review comment event: 16
Pull request review event: 36
Push event: 53
Release event: 4
Watch event: 185
Total: 494

Committers metadata

Last synced: about 15 hours ago

Total Commits: 1,611
Total Committers: 316
Avg Commits per committer: 5.098
Development Distribution Score (DDS): 0.491

Commits in past year: 63
Committers in past year: 32
Avg Commits per committer in past year: 1.969
Development Distribution Score (DDS) in past year: 0.698

Name	Email	Commits
Eliza Weisman	e**a@b**o	820
David Barsky	m**e@d**m	76
Hayden Stainsby	h**s@c**m	59
Julian Tescher	j**r@g**m	36
Jane Lusby	j**y@y**v	26
Lucio Franco	l**4@g**m	19
Folyd	l**w@g**m	15
Gabriel Goller	g**3@g**m	12
Zeki Sherif	9****f	10
Jonas Platte	j**t@p**e	9
Christopher Durham	c**7@c**m	9
Jack Wrenn	j**k@w**i	8
Alexis Mousset	a**t@r**o	8
dependabot-preview[bot]	2****]	7
Sam Scott	s**9@g**m	7
Jeremy Fitzhardinge	j**y@g**g	7
Bruce Mitchener	b**r@g**m	7
Gus Wynn	g**n@g**m	7
David Mládek	d**z@g**m	6
Evan Schwartz	e**n@r**m	6
Jon Gjengset	j**n@t**m	6
Taiki Endo	t**9@g**m	6
Arthur Gautier	b**o@s**t	6
Luca Palmieri	L****r	6
Daniel Müller	d****o	5
Jarrod Davis	d**r@j**m	5
Teo Klestrup Röijezon	t**o@n**e	5
lunaryorn	s**n@s**e	5
Bhargav Voleti	v**v@a**m	5
tfreiberg-fastly	9****y	4
and 286 more...

Issue and Pull Request metadata

Last synced: about 14 hours ago

Total issues: 515
Total pull requests: 880
Average time to close issues: 6 months
Average time to close pull requests: 3 months
Total issue authors: 385
Total pull request authors: 318
Average comments per issue: 2.44
Average comments per pull request: 1.54
Merged pull request: 357
Bot issues: 21
Bot pull requests: 21

Past year issues: 74
Past year pull requests: 113
Past year average time to close issues: about 1 month
Past year average time to close pull requests: about 1 month
Past year issue authors: 54
Past year pull request authors: 74
Past year average comments per issue: 1.38
Past year average comments per pull request: 0.76
Past year merged pull request: 26
Past year bot issues: 16
Past year bot pull requests: 0

More stats: https://issues.ecosyste.ms/repositories/lookup?url=https://github.com/tokio-rs/tracing

Top Issue Authors

github-actions[bot] (21)
hds (10)
hawkw (8)
amab8901 (8)
lilyball (8)
davidbarsky (5)
yaahc (4)
jplatte (4)
lcmgh (4)
matklad (4)
thomaseizinger (4)
safinaskar (4)
jonhoo (3)
LukeMathWalker (3)
wmmc88 (3)

Top Pull Request Authors

hawkw (99)
hds (98)
mladedav (35)
davidbarsky (33)
kaffarell (30)
dependabot[bot] (20)
joshka (13)
SUPERCILEX (7)
ameyypawar (6)
unlimitedsola (6)
pkoenig10 (6)
dpc (6)
jplatte (6)
paolobarbolini (5)
djc (5)

Top Issue Labels

kind/feature (28)
kind/bug (21)
crate/subscriber (18)
crate/core (15)
crate/tracing (13)
crate/attributes (7)
meta/breaking (7)
good first issue (7)
needs/design (7)
help wanted (6)
kind/rfc (4)
crate/appender (3)
kind/docs (3)
kind/question (2)
crate/fmt (2)
crate/serde (1)
crate/metrics (1)
kind/maintenance (1)
area/ffi (1)
area/wasm (1)
crate/opentelemetry (1)
crate/log (1)
closed/invalid (1)

Top Pull Request Labels

dependencies (21)
crate/subscriber (14)
crate/tracing (10)
kind/bug (10)
kind/feature (7)
kind/maintenance (7)
crate/core (4)
crate/attributes (4)
kind/perf (4)
meta/breaking (4)
kind/docs (2)
crate/futures (1)
area/no-std (1)
crate/opentelemetry (1)
qa/no-code-change (1)
changelog/no-changelog (1)
crate/appender (1)
needs/review (1)

Package metadata

Total packages: 15
Total downloads:
- cargo: 3,942,660,306 total
Total docker downloads: 388,112,655
Total dependent packages: 12,141 (may contain duplicates)
Total dependent repositories: 170,404 (may contain duplicates)
Total versions: 243
Total maintainers: 7
Total advisories: 2

crates.io: tracing

Application-level tracing for Rust.

Homepage: https://tokio.rs
Documentation: https://docs.rs/tracing/
Licenses: MIT
Latest release: 0.1.44 (published 8 months ago)
Last Synced: 2026-08-25T10:02:38.225Z (1 day ago)
Versions: 46
Dependent Packages: 7,107
Dependent Repositories: 43,966
Downloads: 793,999,952 Total
Docker Downloads: 52,044,106
Rankings:
- Dependent packages count: 0.016%
- Downloads: 0.059%
- Dependent repos count: 0.074%
- Docker downloads count: 0.096%
- Average: 0.567%
- Forks count: 1.454%
- Stargazers count: 1.706%
Maintainers (2)
- carllerche
- hawkw
Advisories:
- use-after-free in tracing

crates.io: tracing-subscriber

Utilities for implementing and composing `tracing` subscribers.

Homepage: https://tokio.rs
Documentation: https://docs.rs/tracing-subscriber/
Licenses: MIT
Latest release: 0.3.23 (published 6 months ago)
Last Synced: 2026-08-26T09:13:52.181Z (about 6 hours ago)
Versions: 67
Dependent Packages: 3,777
Dependent Repositories: 20,007
Downloads: 566,229,499 Total
Docker Downloads: 43,994,870
Rankings:
- Dependent packages count: 0.029%
- Docker downloads count: 0.118%
- Downloads: 0.13%
- Dependent repos count: 0.166%
- Average: 0.601%
- Forks count: 1.454%
- Stargazers count: 1.706%
Maintainers (2)
- hawkw
- davidbarsky
Advisories:
- Tracing logging user input may result in poisoning logs with ANSI escape sequences

crates.io: tracing-core

Core primitives for application-level tracing.

Homepage: https://tokio.rs
Documentation: https://docs.rs/tracing-core/
Licenses: MIT
Latest release: 0.1.36 (published 8 months ago)
Last Synced: 2026-08-25T10:02:36.443Z (1 day ago)
Versions: 38
Dependent Packages: 171
Dependent Repositories: 42,227
Downloads: 804,766,534 Total
Docker Downloads: 52,044,106
Rankings:
- Downloads: 0.059%
- Dependent repos count: 0.083%
- Docker downloads count: 0.096%
- Dependent packages count: 0.442%
- Average: 0.64%
- Forks count: 1.454%
- Stargazers count: 1.706%
Maintainers (1)
- hawkw

crates.io: tracing-log

Provides compatibility between `tracing` and the `log` crate.

Homepage: https://tokio.rs
Documentation: https://docs.rs/tracing-log/
Licenses: MIT
Latest release: 0.2.0 (published almost 3 years ago)
Last Synced: 2026-08-26T00:56:22.959Z (about 14 hours ago)
Versions: 9
Dependent Packages: 226
Dependent Repositories: 17,073
Downloads: 515,114,858 Total
Docker Downloads: 43,116,224
Rankings:
- Docker downloads count: 0.12%
- Downloads: 0.151%
- Dependent repos count: 0.19%
- Dependent packages count: 0.351%
- Average: 0.662%
- Forks count: 1.454%
- Stargazers count: 1.706%
Maintainers (1)
- hawkw

crates.io: tracing-attributes

Procedural macro attributes for automatically instrumenting functions.

Homepage: https://tokio.rs
Documentation: https://docs.rs/tracing-attributes/
Licenses: MIT
Latest release: 0.1.31 (published 9 months ago)
Last Synced: 2026-08-25T01:01:01.348Z (1 day ago)
Versions: 32
Dependent Packages: 46
Dependent Repositories: 26,922
Downloads: 692,746,843 Total
Docker Downloads: 45,075,183
Rankings:
- Downloads: 0.091%
- Docker downloads count: 0.098%
- Dependent repos count: 0.134%
- Average: 0.744%
- Dependent packages count: 0.978%
- Forks count: 1.454%
- Stargazers count: 1.706%
Maintainers (1)
- hawkw

crates.io: tracing-futures

Utilities for instrumenting `futures` with `tracing`.

Homepage: https://tokio.rs
Documentation: https://docs.rs/tracing-futures/
Licenses: MIT
Latest release: 0.2.5 (published over 5 years ago)
Last Synced: 2026-08-25T10:02:27.932Z (1 day ago)
Versions: 10
Dependent Packages: 382
Dependent Repositories: 11,227
Downloads: 135,869,741 Total
Docker Downloads: 23,425,274
Rankings:
- Downloads: 0.205%
- Dependent packages count: 0.212%
- Dependent repos count: 0.267%
- Average: 0.776%
- Docker downloads count: 0.81%
- Forks count: 1.454%
- Stargazers count: 1.706%
Maintainers (1)
- hawkw

crates.io: tracing-error

Utilities for enriching errors with `tracing`.

Homepage: https://tokio.rs
Documentation: https://docs.rs/tracing-error/
Licenses: MIT
Latest release: 0.2.1 (published over 1 year ago)
Last Synced: 2026-08-26T00:56:22.943Z (about 14 hours ago)
Versions: 5
Dependent Packages: 148
Dependent Repositories: 1,678
Downloads: 57,192,564 Total
Docker Downloads: 31,711,253
Rankings:
- Dependent packages count: 0.566%
- Docker downloads count: 0.582%
- Downloads: 0.74%
- Dependent repos count: 0.98%
- Average: 1.026%
- Forks count: 1.526%
- Stargazers count: 1.761%
Maintainers (1)
- hawkw

crates.io: tracing-serde

A compatibility layer for serializing trace data with `serde`

Homepage: https://tokio.rs
Documentation: https://docs.rs/tracing-serde/
Licenses: MIT
Latest release: 0.2.0 (published over 1 year ago)
Last Synced: 2026-08-26T00:56:20.744Z (about 14 hours ago)
Versions: 6
Dependent Packages: 17
Dependent Repositories: 5,656
Downloads: 252,848,849 Total
Docker Downloads: 26,746,336
Rankings:
- Downloads: 0.296%
- Dependent repos count: 0.459%
- Docker downloads count: 0.508%
- Average: 1.181%
- Forks count: 1.454%
- Stargazers count: 1.706%
- Dependent packages count: 2.66%
Maintainers (1)
- hawkw

crates.io: tracing-appender

Provides utilities for file appenders and making non-blocking writers.

Homepage: https://tokio.rs
Documentation: https://docs.rs/tracing-appender/
Licenses: MIT
Latest release: 0.2.5 (published 4 months ago)
Last Synced: 2026-08-25T10:02:23.997Z (1 day ago)
Versions: 9
Dependent Packages: 230
Dependent Repositories: 1,306
Downloads: 104,702,560 Total
Docker Downloads: 23,293,966
Rankings:
- Dependent packages count: 0.584%
- Downloads: 0.793%
- Dependent repos count: 1.115%
- Average: 1.306%
- Forks count: 1.526%
- Stargazers count: 1.761%
- Docker downloads count: 2.06%
Maintainers (1)
- hawkw

crates.io: tracing-flame

Tracing layer for creating flamegraphs from span timings

Homepage: https://tokio.rs
Documentation: https://docs.rs/tracing-flame/
Licenses: MIT
Latest release: 0.2.0 (published over 4 years ago)
Last Synced: 2026-08-25T10:02:30.434Z (1 day ago)
Versions: 2
Dependent Packages: 15
Dependent Repositories: 166
Downloads: 7,931,597 Total
Docker Downloads: 23,283,487
Rankings:
- Docker downloads count: 0.953%
- Forks count: 1.524%
- Stargazers count: 1.747%
- Average: 2.196%
- Downloads: 2.72%
- Dependent repos count: 2.957%
- Dependent packages count: 3.275%
Maintainers (2)
- hawkw
- yaahc

crates.io: tracing-journald

rich journald subscriber for `tracing`

Homepage: https://tokio.rs
Documentation: https://docs.rs/tracing-journald/
Licenses: MIT
Latest release: 0.3.2 (published 9 months ago)
Last Synced: 2026-08-25T10:02:38.805Z (1 day ago)
Versions: 9
Dependent Packages: 17
Dependent Repositories: 170
Downloads: 8,523,741 Total
Docker Downloads: 23,282,579
Rankings:
- Forks count: 1.524%
- Stargazers count: 1.747%
- Docker downloads count: 2.377%
- Average: 2.441%
- Downloads: 2.793%
- Dependent repos count: 2.928%
- Dependent packages count: 3.275%
Maintainers (2)
- hawkw
- Ralith

proxy.golang.org: github.com/tokio-rs/tracing

Homepage:
Status: removed
Documentation: https://pkg.go.dev/github.com/tokio-rs/tracing#section-documentation
Licenses: mit
Latest release: v0.0.0-20220607211832-d6699fe31169 (published about 4 years ago)
Last Synced: 2026-08-25T10:03:23.748Z (1 day ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent packages count: 4.451%
- Average: 4.6%
- Dependent repos count: 4.75%

crates.io: tracing-fmt

A `tracing` subscriber that formats and logs trace data. Moved to the `tracing-subscriber` crate.

Homepage: https://tokio.rs
Documentation: https://docs.rs/tracing-fmt/
Licenses: MIT
Latest release: 0.1.1 (published almost 7 years ago)
Last Synced: 2026-08-25T10:02:29.850Z (1 day ago)
Versions: 5
Dependent Packages: 5
Dependent Repositories: 6
Downloads: 79,736 Total
Rankings:
- Forks count: 1.524%
- Stargazers count: 1.747%
- Average: 5.082%
- Dependent packages count: 5.309%
- Downloads: 7.375%
- Dependent repos count: 9.453%
Maintainers (2)
- hawkw
- davidbarsky

crates.io: curvine-tracing-appender

Provides utilities for file appenders and making non-blocking writers.

Homepage: https://tokio.rs
Documentation: https://docs.rs/curvine-tracing-appender/
Licenses: MIT
Latest release: 0.2.3 (published about 1 year ago)
Last Synced: 2026-08-25T10:02:18.518Z (1 day ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 10,948 Total
Rankings:
- Dependent repos count: 20.736%
- Dependent packages count: 27.453%
- Average: 47.593%
- Downloads: 94.592%
Maintainers (1)
- bigbigxu

crates.io: tracing-mock

Utilities for testing `tracing` and crates that uses it.

Homepage: https://tokio.rs
Documentation: https://docs.rs/tracing-mock/
Licenses: MIT
Latest release: 0.1.0-beta.3 (published 9 months ago)
Last Synced: 2026-08-25T10:02:20.049Z (1 day ago)
Versions: 3
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 2,642,884 Total
Docker Downloads: 95,271
Rankings:
- Dependent repos count: 24.302%
- Dependent packages count: 32.234%
- Average: 50.779%
- Downloads: 95.802%
Maintainers (2)
- hawkw
- hds

Dependencies

.github/workflows/CI.yml actions

actions-rs/clippy-check v1 composite
actions/checkout v3 composite
dtolnay/rust-toolchain stable composite
dtolnay/rust-toolchain nightly composite
dtolnay/rust-toolchain master composite
taiki-e/install-action cargo-hack composite
taiki-e/install-action cargo-minimal-versions composite
taiki-e/install-action nextest composite
taiki-e/install-action wasm-pack composite

.github/workflows/audit.yml actions

actions-rs/audit-check v1 composite
actions/checkout v3 composite

.github/workflows/release.yml actions

actions/checkout v3 composite
taiki-e/create-gh-release-action v1 composite

Cargo.toml cargo

examples/Cargo.toml cargo

tracing/Cargo.toml cargo

criterion 0.3.6 development
futures 0.3.21 development
log 0.4.17 development
log 0.4.17
pin-project-lite 0.2.9
tracing-attributes 0.2
tracing-core 0.2

tracing/test-log-support/Cargo.toml cargo

tracing/test_static_max_level_features/Cargo.toml cargo

tokio-test 0.2.0 development

tracing-appender/Cargo.toml cargo

criterion 0.3.6 development
tempfile 3.3.0 development
time 0.3.2 development
tracing 0.2 development
crossbeam-channel 0.5.5
parking_lot 0.12.1
thiserror 1.0.31
time 0.3.2
tracing-subscriber 0.3

tracing-attributes/Cargo.toml cargo

async-trait 0.1.67 development
rustversion 1.0.9 development
tokio-test 0.4.2 development
tracing 0.2 development
tracing-subscriber 0.3 development
trybuild 1.0.64 development
proc-macro2 1.0.40
quote 1.0.20
syn 2.0

tracing-core/Cargo.toml cargo

tracing-error/Cargo.toml cargo

tracing-flame/Cargo.toml cargo

tempfile 3.3.0 development
once_cell 1.13.0
tracing 0.2
tracing-subscriber 0.3

tracing-futures/Cargo.toml cargo

futures 0.3.21 development
tokio-test 0.4.2 development
tracing-core 0.2 development
futures 0.3.21
futures-task 0.3.21
futures_01 0.1.31
mio 0.6.23
pin-project-lite 0.2.9
tokio-executor 0.1.10
tokio-threadpool 0.1.18
tokio_01 0.1.22
tracing 0.2

tracing-journald/Cargo.toml cargo

serde 1.0.139 development
serde_json 1.0.82 development
tracing 0.2 development
libc 0.2.126
tracing-core 0.2
tracing-subscriber 0.3

tracing-log/Cargo.toml cargo

tracing 0.2 development
env_logger 0.8.4
log 0.4.17
once_cell 1.13.0
tracing-core 0.2

tracing-macros/Cargo.toml cargo

tracing-subscriber 0.3 development
tracing 0.2

tracing-mock/Cargo.toml cargo

tracing-serde/Cargo.toml cargo

serde_json 1.0.82 development
serde 1.0.139
tracing-core 0.2

tracing-subscriber/Cargo.toml cargo

criterion 0.3.6 development
log 0.4.17 development
regex 1.6.0 development
time 0.3.2 development
tokio 1.20.0 development
tracing 0.2 development
tracing-futures 0.3 development
tracing-log 0.2 development
chrono 0.4.26
matchers 0.1.0
nu-ansi-term 0.46.0
once_cell 1.13.0
parking_lot 0.12.1
regex 1.6.0
serde 1.0.139
serde_json 1.0.82
sharded-slab 0.1.4
smallvec 1.9.0
thread_local 1.1.4
time 0.3.2
tracing 0.2
tracing-core 0.2
tracing-log 0.2
tracing-serde 0.2

tracing-tower/Cargo.toml cargo

tracing-test/Cargo.toml cargo

ecosyste.ms

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