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proc-macro2

proc-macro2 is a Rust crate ranked #14 on the Top Rust Crates chart with 472,351,784 downloads in the source reporting window.

Change: +2,750,832 downloads in the source reporting window between recorded observations on 2026-11-11 and 2026-11-12.

Last verified · 2026-11-12T11:59:12.922Z

License unknown or not specified in the source metadata. Do not assume permission to use, modify, or redistribute; check the source terms.

Metric source · method 1.0.0 · hash 80a3

View on crates.ioBack to chart →

Recorded downloads in the source reporting window trend

30 dated observations · 2026-10-14 to 2026-11-12. Missing dates are not filled.

Metric definition: crates.io:downloads:last-90-days

Observed range: 404,480,167 – 472,351,784 downloads in the source reporting window

View dated observations
Date (UTC)downloads in the source reporting window
2026-10-14404,480,167
2026-10-15407,389,794
2026-10-16411,261,053
2026-10-17414,585,741
2026-10-18414,286,535
2026-10-19414,026,466
2026-10-20416,068,560
2026-10-21418,377,172
2026-10-22421,539,808
2026-10-23425,948,368
2026-10-24429,738,934
2026-10-25429,732,157
2026-10-26430,194,966
2026-10-27432,194,401
2026-10-28434,598,609
2026-10-29437,472,785
2026-10-30441,541,990
2026-10-31445,054,944
2026-11-01445,185,705
2026-11-02445,454,412
2026-11-03447,938,029
2026-11-04451,425,970
2026-11-05454,273,821
2026-11-06458,946,036
2026-11-07463,172,070
2026-11-08463,492,932
2026-11-09463,689,999
2026-11-10466,586,866
2026-11-11469,600,952
2026-11-12472,351,784

Quick answers

What is proc-macro2?
proc-macro2 is a Rust crate ranked #14 on the Top Rust Crates chart with 472,351,784 downloads in the source reporting window.
What license applies to proc-macro2?
License unknown or not specified in the source metadata. Do not assume permission to use, modify, or redistribute; check the source terms.
How is proc-macro2 ranked?
This chart orders entries by downloads in the source reporting window, not quality or suitability. Nearby entries share a chart, but are not necessarily substitutes. Method 1.0.0; snapshot hash 80a3.

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