{"adoption": {"forks": 139, "observed_at": "2026-08-28T04:04:45.830756+00:00", "stars": 1450}, "canonical_url": "https://ross.abutalabs.com/products/ipetkov-crane", "card": {"archived": false, "artifact_type": "library", "description": "A Nix library for building cargo projects. Never build twice thanks to incremental artifact caching.", "domain": ["developer-tools", "programming-languages"], "enriched": true, "function": ["build-tool", "developer-tools", "testing", "ci-cd"], "health_score": 99, "homepage": "https://crane.dev", "language": "Nix", "license": "MIT", "license_family": "permissive", "maturity": "active", "member_repos": ["ipetkov/crane"], "name": "ipetkov/crane", "platform": ["cross-platform", "cli"], "pushed_at": "2026-08-21T15:39:08+00:00", "repo": "ipetkov/crane", "stars": 1450, "tags": ["nix", "nix-flakes", "rust", "cargo", "reproducible-builds", "caching", "cross-compilation", "devops", "linux", "macos"], "topics": ["nixos", "nixpkgs", "nix", "rust", "cargo", "crate"], "urls": [], "use_cases": ["build rust projects with nix flakes", "cache cargo dependencies so I never rebuild them", "run clippy and rustfmt checks in nix", "set up reproducible CI for a cargo workspace", "cross-compile rust to musl or wasm targets", "vendor cargo dependencies including git dependencies", "build a rust webapp with trunk using nix"], "what_it_is": "Crane is a Nix library for building Cargo (Rust) projects with incremental artifact caching so dependencies are built only once. It provides composable, granular build, lint, test, and documentation steps plus automatic dependency vendoring from Cargo.lock.", "when_to_avoid": ["you don't use Nix and just want a plain cargo build", "you need a simple one-command Rust build tool without a Nix dependency", "you require Nix versions below 2.31.2 or older nixpkgs channels"], "when_to_choose": ["you use Nix and want fast, incremental, reproducible Rust builds", "you want granular CI steps (lint, test, doc) without rebuilding dependencies", "you need cross-compilation or alternative crate registries in Nix"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/ipetkov-crane", "repo": "ipetkov/crane", "role": "main", "score": 98}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:04:45.830756+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T04:35:56.587914+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "91dc9eaab65a047c368aef17af618b47323fc7508b979459d87796f4a2f16b33", "fetched_at": "2026-08-28T04:04:45.830756+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ipetkov/crane"}, {"content_hash": "899fdba83954268b4a057de5114a565067130fdf74f622ad4833f9a05f42aa9b", "fetched_at": "2026-08-29T11:45:28.622066+00:00", "kind": "homepage", "missing": false, "url": "https://crane.dev"}, {"content_hash": "a3a604ba7f1fcd62054a362a5468f5c10ec5179e56ad9d33d0d37774117df86f", "fetched_at": "2026-08-29T11:45:28.639629+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/getting-started.html"}, {"content_hash": "b101df0b1106e070072a029d3d1c9cc8b5b0ddbfead9eb1b149d850a165c7c5d", "fetched_at": "2026-08-29T11:45:28.642468+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/CHANGELOG.html"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:04:45.830756+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T04:35:56.587914+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "91dc9eaab65a047c368aef17af618b47323fc7508b979459d87796f4a2f16b33", "fetched_at": "2026-08-28T04:04:45.830756+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ipetkov/crane"}, {"content_hash": "899fdba83954268b4a057de5114a565067130fdf74f622ad4833f9a05f42aa9b", "fetched_at": "2026-08-29T11:45:28.622066+00:00", "kind": "homepage", "missing": false, "url": "https://crane.dev"}, {"content_hash": "a3a604ba7f1fcd62054a362a5468f5c10ec5179e56ad9d33d0d37774117df86f", "fetched_at": "2026-08-29T11:45:28.639629+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/getting-started.html"}, {"content_hash": "b101df0b1106e070072a029d3d1c9cc8b5b0ddbfead9eb1b149d850a165c7c5d", "fetched_at": "2026-08-29T11:45:28.642468+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/CHANGELOG.html"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T04:35:56.587914+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "91dc9eaab65a047c368aef17af618b47323fc7508b979459d87796f4a2f16b33", "fetched_at": "2026-08-28T04:04:45.830756+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ipetkov/crane"}, {"content_hash": "899fdba83954268b4a057de5114a565067130fdf74f622ad4833f9a05f42aa9b", "fetched_at": "2026-08-29T11:45:28.622066+00:00", "kind": "homepage", "missing": false, "url": "https://crane.dev"}, {"content_hash": "a3a604ba7f1fcd62054a362a5468f5c10ec5179e56ad9d33d0d37774117df86f", "fetched_at": "2026-08-29T11:45:28.639629+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/getting-started.html"}, {"content_hash": "b101df0b1106e070072a029d3d1c9cc8b5b0ddbfead9eb1b149d850a165c7c5d", "fetched_at": "2026-08-29T11:45:28.642468+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/CHANGELOG.html"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:04:45.830756+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:04:45.830756+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:04:45.830756+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T04:35:56.587914+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "91dc9eaab65a047c368aef17af618b47323fc7508b979459d87796f4a2f16b33", "fetched_at": "2026-08-28T04:04:45.830756+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ipetkov/crane"}, {"content_hash": "899fdba83954268b4a057de5114a565067130fdf74f622ad4833f9a05f42aa9b", "fetched_at": "2026-08-29T11:45:28.622066+00:00", "kind": "homepage", "missing": false, "url": "https://crane.dev"}, {"content_hash": "a3a604ba7f1fcd62054a362a5468f5c10ec5179e56ad9d33d0d37774117df86f", "fetched_at": "2026-08-29T11:45:28.639629+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/getting-started.html"}, {"content_hash": "b101df0b1106e070072a029d3d1c9cc8b5b0ddbfead9eb1b149d850a165c7c5d", "fetched_at": "2026-08-29T11:45:28.642468+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/CHANGELOG.html"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:04:45.830756+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:04:45.830756+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T04:35:56.587914+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "91dc9eaab65a047c368aef17af618b47323fc7508b979459d87796f4a2f16b33", "fetched_at": "2026-08-28T04:04:45.830756+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ipetkov/crane"}, {"content_hash": "899fdba83954268b4a057de5114a565067130fdf74f622ad4833f9a05f42aa9b", "fetched_at": "2026-08-29T11:45:28.622066+00:00", "kind": "homepage", "missing": false, "url": "https://crane.dev"}, {"content_hash": "a3a604ba7f1fcd62054a362a5468f5c10ec5179e56ad9d33d0d37774117df86f", "fetched_at": "2026-08-29T11:45:28.639629+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/getting-started.html"}, {"content_hash": "b101df0b1106e070072a029d3d1c9cc8b5b0ddbfead9eb1b149d850a165c7c5d", "fetched_at": "2026-08-29T11:45:28.642468+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/CHANGELOG.html"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:04:45.830756+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:04:45.830756+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:04:45.830756+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T04:35:56.587914+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "91dc9eaab65a047c368aef17af618b47323fc7508b979459d87796f4a2f16b33", "fetched_at": "2026-08-28T04:04:45.830756+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ipetkov/crane"}, {"content_hash": "899fdba83954268b4a057de5114a565067130fdf74f622ad4833f9a05f42aa9b", "fetched_at": "2026-08-29T11:45:28.622066+00:00", "kind": "homepage", "missing": false, "url": "https://crane.dev"}, {"content_hash": "a3a604ba7f1fcd62054a362a5468f5c10ec5179e56ad9d33d0d37774117df86f", "fetched_at": "2026-08-29T11:45:28.639629+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/getting-started.html"}, {"content_hash": "b101df0b1106e070072a029d3d1c9cc8b5b0ddbfead9eb1b149d850a165c7c5d", "fetched_at": "2026-08-29T11:45:28.642468+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/CHANGELOG.html"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:04:45.830756+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:04:45.830756+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T04:35:56.587914+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "91dc9eaab65a047c368aef17af618b47323fc7508b979459d87796f4a2f16b33", "fetched_at": "2026-08-28T04:04:45.830756+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ipetkov/crane"}, {"content_hash": "899fdba83954268b4a057de5114a565067130fdf74f622ad4833f9a05f42aa9b", "fetched_at": "2026-08-29T11:45:28.622066+00:00", "kind": "homepage", "missing": false, "url": "https://crane.dev"}, {"content_hash": "a3a604ba7f1fcd62054a362a5468f5c10ec5179e56ad9d33d0d37774117df86f", "fetched_at": "2026-08-29T11:45:28.639629+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/getting-started.html"}, {"content_hash": "b101df0b1106e070072a029d3d1c9cc8b5b0ddbfead9eb1b149d850a165c7c5d", "fetched_at": "2026-08-29T11:45:28.642468+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/CHANGELOG.html"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T04:35:56.587914+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "91dc9eaab65a047c368aef17af618b47323fc7508b979459d87796f4a2f16b33", "fetched_at": "2026-08-28T04:04:45.830756+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ipetkov/crane"}, {"content_hash": "899fdba83954268b4a057de5114a565067130fdf74f622ad4833f9a05f42aa9b", "fetched_at": "2026-08-29T11:45:28.622066+00:00", "kind": "homepage", "missing": false, "url": "https://crane.dev"}, {"content_hash": "a3a604ba7f1fcd62054a362a5468f5c10ec5179e56ad9d33d0d37774117df86f", "fetched_at": "2026-08-29T11:45:28.639629+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/getting-started.html"}, {"content_hash": "b101df0b1106e070072a029d3d1c9cc8b5b0ddbfead9eb1b149d850a165c7c5d", "fetched_at": "2026-08-29T11:45:28.642468+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/CHANGELOG.html"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T04:35:56.587914+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "91dc9eaab65a047c368aef17af618b47323fc7508b979459d87796f4a2f16b33", "fetched_at": "2026-08-28T04:04:45.830756+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ipetkov/crane"}, {"content_hash": "899fdba83954268b4a057de5114a565067130fdf74f622ad4833f9a05f42aa9b", "fetched_at": "2026-08-29T11:45:28.622066+00:00", "kind": "homepage", "missing": false, "url": "https://crane.dev"}, {"content_hash": "a3a604ba7f1fcd62054a362a5468f5c10ec5179e56ad9d33d0d37774117df86f", "fetched_at": "2026-08-29T11:45:28.639629+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/getting-started.html"}, {"content_hash": "b101df0b1106e070072a029d3d1c9cc8b5b0ddbfead9eb1b149d850a165c7c5d", "fetched_at": "2026-08-29T11:45:28.642468+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/CHANGELOG.html"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T04:35:56.587914+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "91dc9eaab65a047c368aef17af618b47323fc7508b979459d87796f4a2f16b33", "fetched_at": "2026-08-28T04:04:45.830756+00:00", "kind": "readme", "missing": false, "url": "https://github.com/ipetkov/crane"}, {"content_hash": "899fdba83954268b4a057de5114a565067130fdf74f622ad4833f9a05f42aa9b", "fetched_at": "2026-08-29T11:45:28.622066+00:00", "kind": "homepage", "missing": false, "url": "https://crane.dev"}, {"content_hash": "a3a604ba7f1fcd62054a362a5468f5c10ec5179e56ad9d33d0d37774117df86f", "fetched_at": "2026-08-29T11:45:28.639629+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/getting-started.html"}, {"content_hash": "b101df0b1106e070072a029d3d1c9cc8b5b0ddbfead9eb1b149d850a165c7c5d", "fetched_at": "2026-08-29T11:45:28.642468+00:00", "kind": "site_page", "missing": false, "url": "https://crane.dev/CHANGELOG.html"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 98, "longevity": 100, "rhythm": 98}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 1690, "days_push": 12, "days_rel": 12, "gap_med": 30, "n_releases_24m": 20}, "score": 98, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}