{"adoption": {"forks": 610, "observed_at": "2026-08-28T04:05:51.115837+00:00", "stars": 1897}, "canonical_url": "https://ross.abutalabs.com/products/rustc-dev-guide", "card": {"archived": false, "artifact_type": "learning-resource", "description": "A guide to how rustc works and how to contribute to it.", "domain": ["compilers", "documentation", "developer-tools", "programming-languages"], "enriched": true, "function": ["documentation", "compiler", "developer-tools"], "health_score": 80, "homepage": "https://rustc-dev-guide.rust-lang.org", "language": "HTML", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["rust-lang/rustc-dev-guide"], "name": "rust-lang/rustc-dev-guide", "platform": ["rust", "cross-platform"], "pushed_at": "2026-08-24T15:36:44+00:00", "repo": "rust-lang/rustc-dev-guide", "stars": 1897, "tags": ["rustc", "mdbook", "contributing-guide", "compiler-internals", "rust-lang", "web-server"], "topics": ["rust", "rustc", "compiler", "contributing"], "urls": [], "use_cases": ["learn how the rustc compiler works internally", "contribute to the Rust compiler", "understand rustc's bootstrapping and build process", "find where to start with beginner compiler issues", "understand rustc's compilation pipeline from source to binaries", "debug and profile the Rust compiler"], "what_it_is": "The official Rust Compiler Development Guide, an mdBook-based documentation project explaining how rustc works internally. It helps new contributors get oriented to the compiler codebase and serves as a reference for experienced developers.", "when_to_avoid": ["you need documentation for the Rust language itself or the standard library", "you want a tutorial on programming in Rust", "you need stable, versioned API docs rather than a living guide"], "when_to_choose": ["you want to contribute to rustc development", "you need to understand compiler internals like type checking, borrow checking, or MIR", "you are onboarding onto the Rust compiler codebase", "you want authoritative, community-maintained rustc documentation"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/rustc-dev-guide", "repo": "rust-lang/rustc-dev-guide", "role": "main", "score": 77}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:51.115837+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:12:48.921016+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5115ef9689d085d8b39273bb0c65642920bce585edeb20c55996f45564e4c12a", "fetched_at": "2026-08-28T04:05:51.115837+00:00", "kind": "readme", "missing": false, "url": "https://github.com/rust-lang/rustc-dev-guide"}, {"content_hash": "a9b2f4297989bb8558c5a9526f7838b57e949782bfc6fef031ef296eef5dcc4f", "fetched_at": "2026-08-29T10:51:38.275950+00:00", "kind": "homepage", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org"}, {"content_hash": "78d3aad206af7f5f33d040b7786b48e89765c920151d684d15f4579af9c28c80", "fetched_at": "2026-08-29T10:51:38.285641+00:00", "kind": "site_page", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org/about-this-guide.html"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:51.115837+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:12:48.921016+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5115ef9689d085d8b39273bb0c65642920bce585edeb20c55996f45564e4c12a", "fetched_at": "2026-08-28T04:05:51.115837+00:00", "kind": "readme", "missing": false, "url": "https://github.com/rust-lang/rustc-dev-guide"}, {"content_hash": "a9b2f4297989bb8558c5a9526f7838b57e949782bfc6fef031ef296eef5dcc4f", "fetched_at": "2026-08-29T10:51:38.275950+00:00", "kind": "homepage", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org"}, {"content_hash": "78d3aad206af7f5f33d040b7786b48e89765c920151d684d15f4579af9c28c80", "fetched_at": "2026-08-29T10:51:38.285641+00:00", "kind": "site_page", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org/about-this-guide.html"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:12:48.921016+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5115ef9689d085d8b39273bb0c65642920bce585edeb20c55996f45564e4c12a", "fetched_at": "2026-08-28T04:05:51.115837+00:00", "kind": "readme", "missing": false, "url": "https://github.com/rust-lang/rustc-dev-guide"}, {"content_hash": "a9b2f4297989bb8558c5a9526f7838b57e949782bfc6fef031ef296eef5dcc4f", "fetched_at": "2026-08-29T10:51:38.275950+00:00", "kind": "homepage", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org"}, {"content_hash": "78d3aad206af7f5f33d040b7786b48e89765c920151d684d15f4579af9c28c80", "fetched_at": "2026-08-29T10:51:38.285641+00:00", "kind": "site_page", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org/about-this-guide.html"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:51.115837+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:51.115837+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:51.115837+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:12:48.921016+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5115ef9689d085d8b39273bb0c65642920bce585edeb20c55996f45564e4c12a", "fetched_at": "2026-08-28T04:05:51.115837+00:00", "kind": "readme", "missing": false, "url": "https://github.com/rust-lang/rustc-dev-guide"}, {"content_hash": "a9b2f4297989bb8558c5a9526f7838b57e949782bfc6fef031ef296eef5dcc4f", "fetched_at": "2026-08-29T10:51:38.275950+00:00", "kind": "homepage", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org"}, {"content_hash": "78d3aad206af7f5f33d040b7786b48e89765c920151d684d15f4579af9c28c80", "fetched_at": "2026-08-29T10:51:38.285641+00:00", "kind": "site_page", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org/about-this-guide.html"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:51.115837+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:51.115837+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:12:48.921016+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5115ef9689d085d8b39273bb0c65642920bce585edeb20c55996f45564e4c12a", "fetched_at": "2026-08-28T04:05:51.115837+00:00", "kind": "readme", "missing": false, "url": "https://github.com/rust-lang/rustc-dev-guide"}, {"content_hash": "a9b2f4297989bb8558c5a9526f7838b57e949782bfc6fef031ef296eef5dcc4f", "fetched_at": "2026-08-29T10:51:38.275950+00:00", "kind": "homepage", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org"}, {"content_hash": "78d3aad206af7f5f33d040b7786b48e89765c920151d684d15f4579af9c28c80", "fetched_at": "2026-08-29T10:51:38.285641+00:00", "kind": "site_page", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org/about-this-guide.html"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:51.115837+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:51.115837+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:51.115837+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:12:48.921016+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5115ef9689d085d8b39273bb0c65642920bce585edeb20c55996f45564e4c12a", "fetched_at": "2026-08-28T04:05:51.115837+00:00", "kind": "readme", "missing": false, "url": "https://github.com/rust-lang/rustc-dev-guide"}, {"content_hash": "a9b2f4297989bb8558c5a9526f7838b57e949782bfc6fef031ef296eef5dcc4f", "fetched_at": "2026-08-29T10:51:38.275950+00:00", "kind": "homepage", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org"}, {"content_hash": "78d3aad206af7f5f33d040b7786b48e89765c920151d684d15f4579af9c28c80", "fetched_at": "2026-08-29T10:51:38.285641+00:00", "kind": "site_page", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org/about-this-guide.html"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:51.115837+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:51.115837+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:12:48.921016+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5115ef9689d085d8b39273bb0c65642920bce585edeb20c55996f45564e4c12a", "fetched_at": "2026-08-28T04:05:51.115837+00:00", "kind": "readme", "missing": false, "url": "https://github.com/rust-lang/rustc-dev-guide"}, {"content_hash": "a9b2f4297989bb8558c5a9526f7838b57e949782bfc6fef031ef296eef5dcc4f", "fetched_at": "2026-08-29T10:51:38.275950+00:00", "kind": "homepage", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org"}, {"content_hash": "78d3aad206af7f5f33d040b7786b48e89765c920151d684d15f4579af9c28c80", "fetched_at": "2026-08-29T10:51:38.285641+00:00", "kind": "site_page", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org/about-this-guide.html"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:12:48.921016+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5115ef9689d085d8b39273bb0c65642920bce585edeb20c55996f45564e4c12a", "fetched_at": "2026-08-28T04:05:51.115837+00:00", "kind": "readme", "missing": false, "url": "https://github.com/rust-lang/rustc-dev-guide"}, {"content_hash": "a9b2f4297989bb8558c5a9526f7838b57e949782bfc6fef031ef296eef5dcc4f", "fetched_at": "2026-08-29T10:51:38.275950+00:00", "kind": "homepage", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org"}, {"content_hash": "78d3aad206af7f5f33d040b7786b48e89765c920151d684d15f4579af9c28c80", "fetched_at": "2026-08-29T10:51:38.285641+00:00", "kind": "site_page", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org/about-this-guide.html"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:12:48.921016+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5115ef9689d085d8b39273bb0c65642920bce585edeb20c55996f45564e4c12a", "fetched_at": "2026-08-28T04:05:51.115837+00:00", "kind": "readme", "missing": false, "url": "https://github.com/rust-lang/rustc-dev-guide"}, {"content_hash": "a9b2f4297989bb8558c5a9526f7838b57e949782bfc6fef031ef296eef5dcc4f", "fetched_at": "2026-08-29T10:51:38.275950+00:00", "kind": "homepage", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org"}, {"content_hash": "78d3aad206af7f5f33d040b7786b48e89765c920151d684d15f4579af9c28c80", "fetched_at": "2026-08-29T10:51:38.285641+00:00", "kind": "site_page", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org/about-this-guide.html"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:12:48.921016+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "5115ef9689d085d8b39273bb0c65642920bce585edeb20c55996f45564e4c12a", "fetched_at": "2026-08-28T04:05:51.115837+00:00", "kind": "readme", "missing": false, "url": "https://github.com/rust-lang/rustc-dev-guide"}, {"content_hash": "a9b2f4297989bb8558c5a9526f7838b57e949782bfc6fef031ef296eef5dcc4f", "fetched_at": "2026-08-29T10:51:38.275950+00:00", "kind": "homepage", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org"}, {"content_hash": "78d3aad206af7f5f33d040b7786b48e89765c920151d684d15f4579af9c28c80", "fetched_at": "2026-08-29T10:51:38.285641+00:00", "kind": "site_page", "missing": false, "url": "https://rustc-dev-guide.rust-lang.org/about-this-guide.html"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 99, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3151, "days_push": 9, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 77, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}