Crates / Owners / colin-kiegel
Rust crate owner · data Oct 24, 2026
colin-kiegel: Rust crates and real downloads
Every crate colin-kiegel can publish on crates.io, among the top 1000. colin-kiegel on GitHub · on crates.io
Short answerColin Kiegel (crates.io colin-kiegel) owns 3 of the 1000 most-downloaded Rust crates. Together they get about 1,788,827 real downloads a day on quiet days (release-day spikes removed), rank #175 of the 492 owners we track. The biggest is derive_builder at 633,349 a day with 1,332 crates depending on it. 0 shipped a release in the last 90 days; 0 are gaining on the field and 1 losing ground.
Their crates, by real downloads
| Crate | Real downloads a day | Dependents | Trend vs field | Last release | crates.io rank |
|---|---|---|---|---|---|
| derive_builder Widely used | 633,349 | 1,332 | -5% | 2.0y | #542 |
| derive_builder_core Pulled in | 633,184 | 1 | -5% | 2.0y | #544 |
| pretty_assertions Widely used | 522,294 | 5,760 | -12% | 2.1y | #536 |
Mostly in: Development tools (2), Rust patterns (1).
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How we count
Owners: crates.io owners API (users only; teams are not listed), fetched Oct 24, 2026. Real downloads a day = the median day with no release that day or the day before, per crate, summed. Trend = last 30 days against the first 30, read against the median tracked crate. Method: our crates.io study.
Up next
The next owner by real downloads: 1 top crates, about 1,787,707 real downloads a day.sophiajtRead it next →Also worth your time