RustCrypto/hybrid-array holds a health index of 77 out of 100, placing it in the Good band. It scores highest on Vitality (81/100) and lowest on Community & Adoption (56/100). It was last updated 1 day ago. A single contributor accounts for most of its recent work.
77
overall / 100
Good
Software health index
Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean, calibrated against the distribution of the public record so bands carry percentile meaning; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At Risk ceiling of 34.
77
Exceptional93-100The record's top tier (≈ top 5%); essentially all checked criteria met
Excellent80-92Strong across the board; minor gaps
Good65-79Healthy; gaps are limited and manageable
Moderate50-64Acceptable with notable gaps; review recommended
Weak35-49Material weaknesses across several areas
At Risk20-34Significant weaknesses; adoption warrants caution
Critical1-19Severe problems (abandoned, single-maintainer, no hygiene)
Score profile
Each axis is a category. The shape matters more than the average — a healthy subject fills the whole shape, while a spike-and-crater profile means strength in one dimension is masking risk in another.
The weighted overall 66 is calibrated to 77 on the published index scale (record calibration 2026-08-02).
Direct dependencies free of known advisories — no direct dependency carries a known advisory
25/25
Indirect dependencies free of known advisories — no indirect dependency carries a known advisory
0/40
No advisories left outstanding — no advisory carries a publication date
Inputs used
source
osv
advisories
0
affected_packages
0
assessed_packages
19
unassessed_packages
0
affected_by_severity
none
direct_affected_packages
0
Excluded from scoring (no data or not applicable): No advisories left outstanding. Remaining weights renormalized. Matched the crates:hybrid-array@0.4.14 runtime dependency closure — what installing the published package pulls in — 19 packages. Reachability is not analyzed.
How well is the repo equipped to be developed and maintained with AI coding agents? Carries a deliberately small weight (4%): agent tooling is a real maintenance signal, but a repository with none can still reach 100/100.
Manageable file sizes — 0/10 source files over 60KB
Inputs used
primary_language
Rust
largest_source_bytes
35,808
source_files_sampled
10
oversized_source_files
0
Key facts
23GitHub stars
13contributors
91commits, last 12 months
1days since last push
33releases
1bus factor
4open issues
crates.iopackage ecosystems
Data collection warnings
Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
More detail
Star and fork history 0 ★ / 24 ⇿
0Stars
24Forks
27Releases
When each star and fork was added, collected from GitHub and bucketed by day. Cumulative growth sits directly above the daily additions it is made of, so the two read against each other: steady organic accretion looks nothing like an abrupt, short-lived burst. Where that difference is measurable, it is reported as growth authenticity.
Major 0Minor 3Patch 17
Each point covers 3 days.
OpenSSF Scorecard 5.9 / 10
5.9aggregate
Independent, tool-agnostic security assessment from the open-source OpenSSF Scorecard. Each check rewards a security practice, not a specific vendor's tool. Checks Scorecard could not determine are marked n/a and excluded from the security score (never counted as zero).Scorecard v5.5.0 · 2026-07-31 22:52 UTC
Full resolved dependency set from the GitHub dependency graph: 8 direct and 12 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.
Registry
Package
Version
Relation
crates.io
arbitrary
1.4.2
direct
crates.io
bytemuck
1.25.0
direct
crates.io
ctutils
0.4.2
direct
crates.io
serde
1.0.228
direct
crates.io
subtle
2.6.1
direct
crates.io
typenum
1.20.1
direct
crates.io
zerocopy
0.8.37
direct
crates.io
zeroize
1.9.0
direct
crates.io
cmov
0.5.3
indirect
crates.io
itoa
1.0.18
indirect
crates.io
memchr
2.8.0
indirect
crates.io
proc-macro2
1.0.106
indirect
crates.io
quote
1.0.44
indirect
crates.io
serde_core
1.0.228
indirect
crates.io
serde_derive
1.0.228
indirect
crates.io
serde_json
1.0.149
indirect
crates.io
syn
2.0.114
indirect
crates.io
unicode-ident
1.0.22
indirect
crates.io
zerocopy-derive
0.8.37
indirect
crates.io
zmij
1.0.21
indirect
Dependency advisories 0
Installing crates:hybrid-array@0.4.14 pulls in 19 packages, direct and transitive: 0 carry known advisories, of which 0 are direct dependencies.
No known advisories affect the assessed dependencies.
An advisory means the version recorded in the dependency graph falls inside an advisory’s affected range. Reachability is not analysed, and the graph includes development and test pins — a finding may concern tooling rather than shipped software.
Raw JSON report machine-readable
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"headline": "Eliminate `unreachable!()` in `check_slice_length()` (#200)",
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"body": null,
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"headline": "Add tests for `Borrow(Mut)` impls (#199)",
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"committed_at": "2026-04-03T16:57:21Z",
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"is_bot": false,
"headline": "Add test for `as_flattened(_mut)` (#198)",
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"author_login": "tarcieri",
"committed_at": "2026-04-03T15:43:42Z",
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{
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"body": null,
"is_bot": true,
"headline": "Bump ctutils from 0.4.0 to 0.4.2 (#197)",
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"author_login": "dependabot[bot]",
"committed_at": "2026-04-03T14:23:40Z",
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"body": "## Added\n- `AsMut<Array<T, U>>` impl for `Array<T, U>` (#193)\n- HQC KEM sizes (#195)",
"is_bot": false,
"headline": "v0.4.10 (#196)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
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"body": "Signed-off-by: Mike Lodder <redmike7@gmail.com>",
"is_bot": false,
"headline": "Add HQC KEM sizes (#195)",
"author_name": "Michael Lodder",
"author_login": "mikelodder7",
"committed_at": "2026-03-30T20:52:50Z",
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{
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"body": null,
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"headline": "Add tests for `AsRef`/`AsMut` impls (#194)",
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"author_login": "tarcieri",
"committed_at": "2026-03-30T20:51:40Z",
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},
{
"oid": "a00333e28993e2573f540d50009cfe408ac68eb9",
"body": "Matches the corresponding `AsRef` impl",
"is_bot": false,
"headline": "Add `AsMut<Array<T, U>>` impl for `Array<T, U>` (#193)",
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"author_login": "tarcieri",
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{
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"body": null,
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"headline": "Add tests for `AsArrayRef`/`AsArrayMut` impls on `Array` (#192)",
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"author_login": "tarcieri",
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{
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"body": null,
"is_bot": false,
"headline": "README.md: add Codecov badge (#191)",
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"author_login": "tarcieri",
"committed_at": "2026-03-30T17:39:48Z",
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{
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"body": null,
"is_bot": false,
"headline": "Add tests for `AsArrayMut`, `AsArrayRef`, and `SliceExt` traits (#190)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-03-30T17:34:26Z",
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"headline": "Add `serde` tests using `postcard` (#189)",
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"committed_at": "2026-03-30T17:13:49Z",
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{
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"body": "This should get module-level coverage to 100%",
"is_bot": false,
"headline": "Add tests for `iter` module (#188)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-03-30T16:45:14Z",
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{
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"body": null,
"is_bot": false,
"headline": "Add tests for `Array::cast_slice_to_core(_mut)` (#187)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-03-30T16:24:00Z",
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},
{
"oid": "f694dc5eecbae3afe3491d8e100ed006e478ca92",
"body": null,
"is_bot": true,
"headline": "Bump codecov/codecov-action from 5 to 6 (#184)",
"author_name": "dependabot[bot]",
"author_login": "dependabot[bot]",
"committed_at": "2026-03-30T16:12:25Z",
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{
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"body": null,
"is_bot": false,
"headline": "Add tests for `Array::cast_slice_from_core(_mut)` (#186)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-03-30T16:11:23Z",
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{
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"body": null,
"is_bot": false,
"headline": "Add tests for `Array::slice_as_chunks(_mut)` (#185)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-03-30T15:33:32Z",
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"oid": "4114c075c28a565667a9220f28d5f05a516694b0",
"body": "Should be available at https://codecov.io/gh/RustCrypto/hybrid-array\nwhen enabled",
"is_bot": false,
"headline": "Add Codecov configuration (#183)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-03-30T15:05:52Z",
"body_truncated": false,
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},
{
"oid": "1cccda21548ebb317e6c3a0b47dbd70c746a0f84",
"body": "## Added\n- Functions for casting from core references (#181)\n - `Array::cast_from_core`: `const fn` equivalent of `From<[T; N]>`\n - `Array::cast_from_core_mut`: `mut` equivalent of the above\n - `Array::from_ref`: cast `&T` to `&Array<T; U1>`\n - `Array::from_mut`: `mut` equivalent of the above",
"is_bot": false,
"headline": "v0.4.9 (#182)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-03-30T14:50:18Z",
"body_truncated": false,
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"body": "- `Array::cast_from_core`: `const fn` equivalent of `From<[T; N]>`\n- `Array::cast_from_core_mut`: `mut` equivalent of the above\n- `Array::from_ref`: cast `&T` to `&Array<T; U1>`\n- `Array::from_mut`: `mut` equivalent of the above\n\nThe latter are the equivalents of `core::array::{from_ref, from_mut}`\nwhich I opted to put on `Array<T, U1>` for consistency with\n`Array::from_fn` which is impl'd on the type instead of as a free\nfunction.",
"is_bot": false,
"headline": "Add functions for casting from core references (#181)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-03-29T12:39:34Z",
"body_truncated": false,
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{
"oid": "e16fe9128e22349b066f0abfcb02a81ccae3abf2",
"body": null,
"is_bot": false,
"headline": "Release v0.4.8",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-03-08T20:08:42Z",
"body_truncated": false,
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{
"oid": "75ade937ebaa87d67d100c9b82ec3f9967f7e9e4",
"body": "## Added\n- `ctutils` support (#177)",
"is_bot": false,
"headline": "v0.4.8 (#178)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-03-08T20:07:51Z",
"body_truncated": false,
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{
"oid": "b594c44c0cf7d3e1710401a5d089ff7d4918cafb",
"body": null,
"is_bot": false,
"headline": "Add Trusted Publishing config (#179)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-03-08T20:05:00Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "4aa66db802fbb4f298792577a6fe7c96ba6926b1",
"body": "Adds an optional feature similar to the `subtle` feature which adds\nimpls of `CtAssign`, `CtEq`, and `CtSelect` to `Array`.",
"is_bot": false,
"headline": "Add `ctutils` support (#177)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-03-08T19:57:49Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "0713b70d94edc614b9e98076c68931e318b26e83",
"body": "These are `255*32`, `255*48`, and `255*64`.",
"is_bot": false,
"headline": "Add HKDF-Expand common max output sizes (#175)",
"author_name": "Jonathan Dygert",
"author_login": "jdygert-spok",
"committed_at": "2026-02-12T04:06:12Z",
"body_truncated": false,
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},
{
"oid": "e408f84289c270c62715fd41b01a053875d90b8b",
"body": "## Added\n- `Flatten` and `Unflatten` traits (#170)\n- `Array::slice_as_(mut_)array` (#171)\n- `SliceExt` (#172)",
"is_bot": false,
"headline": "v0.4.7 (#174)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-02-03T14:34:33Z",
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"body": null,
"is_bot": false,
"headline": "Cargo.lock: bump dependencies (#173)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-02-03T06:35:16Z",
"body_truncated": false,
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},
{
"oid": "ccf62045f9a8412c54e9099db05fc9dfd5938590",
"body": "Adds an extension trait for `[T]` which adds a set of parallel\n`as_hybrid_*` methods for the core `as_*_array`.\n\nThese are wrappers for `Array::slice_as*` but avoid notating\n`Array<T, _>`",
"is_bot": false,
"headline": "Add `SliceExt` (#172)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-02-03T05:29:40Z",
"body_truncated": false,
"is_coding_agent": false
},
{
"oid": "03c4be78282a76a6df2dd22d65f7ab9ef2c257a6",
"body": "Equivalent of core `[T]::as_(mut_)array`.\n\nEffectively a `const fn` equivalent of `TryFrom<&[T]> for Array<T, U>`\n(and `mut` equivalent).",
"is_bot": false,
"headline": "Add `Array::slice_as_(mut_)array` (#171)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-02-03T00:50:11Z",
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},
{
"oid": "a202541769bccd564ac3de6c646972aace5bb924",
"body": "These were extracted from the `module-lattice` crate (which in turn was\nextracted from `ml-dsa`).\n\nThey were contributed by @bifurcation and seem generally useful. I have\nextracted them largely verbatim except cleaning up a few things which\nwere triggering lint failures.\n\nHaving them as traits instead of inherent methods is nice because you\ncan bound on them, where the bounds they actually require would be\nsomewhat annoying to have downstream code repeat.",
"is_bot": false,
"headline": "hybrid-array: add `Flatten` and `Unflatten` traits (#170)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-02-01T23:55:51Z",
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{
"oid": "34aef299047615d8b3b6117c0b10bdb0129463fb",
"body": "### Added\n- Optional dependency on `zerocopy` with impls for `Array` (#162)\n- `Debug` bound to `ArraySize` (#165)",
"is_bot": false,
"headline": "v0.4.6 (#166)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-01-22T21:55:55Z",
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{
"oid": "ae8af5f58fc0c11121214df9856a4ee964a49937",
"body": "This came up with `elliptic-curve` and `sec1` as I was working on\n`dhkem`:\n\nerror[E0277]: `<C as elliptic_curve::Curve>::FieldBytesSize` doesn't implement `Debug`\n --> dhkem/src/ecdh_kem.rs:80:5\n |\n 80 | / fn encapsulate_with_rng<R: TryCryptoRng + ?Sized>(\n 81 | | &self,\n \n[…]\n, because `ArraySize` bounds on\n`typenum::Unsigned`, which means it's impossible for 3rd party crates to\nimpl as they would need to add impls to a foreign type which isn't\nallowed by the orphan rules.",
"is_bot": false,
"headline": "Add `Debug` bound to `ArraySize` (#165)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-01-22T20:59:12Z",
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{
"oid": "c4d4104ebedccc75a93ea0844f4918eefafc971a",
"body": null,
"is_bot": false,
"headline": "Move lint config to `Cargo.toml` and expand lints (#164)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-01-18T22:59:41Z",
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},
{
"oid": "23642eaad197ec491cfbd617c4ec5de5ab013ece",
"body": "Enables the following and fixes violations if any:\n\n- `clippy::missing_panics_doc`\n- `clippy::must_use_candidate`\n- `clippy::ptr_as_ptr`\n- `clippy::ref_as_ptr`\n- `clippy::semicolon_if_nothing_returned`",
"is_bot": false,
"headline": "Additional clippy lints (#163)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2026-01-18T00:59:33Z",
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},
{
"oid": "dadd559b73ac012730567dcc6c488c58384b5dfc",
"body": null,
"is_bot": false,
"headline": "Add optional dependency on `zerocopy` with impls for `Array` (#162)",
"author_name": "Charles Edward Gagnon",
"author_login": "carloskiki",
"committed_at": "2026-01-17T14:09:38Z",
"body_truncated": false,
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},
{
"oid": "bd067419893721e4d854f9693d7c1db6e49c106f",
"body": "`bincode` is unmaintained. See https://crates.io/crates/bincode/3.0.0",
"is_bot": false,
"headline": "Remove `bincode` dev-dependency (#159)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2025-12-18T15:14:34Z",
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},
{
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"body": null,
"is_bot": true,
"headline": "ci: bump actions/checkout from 5 to 6 (#158)",
"author_name": "dependabot[bot]",
"author_login": "dependabot[bot]",
"committed_at": "2025-11-24T14:53:03Z",
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{
"oid": "1ba979bc93cf22f46d7dc3088d2f1fef6e44ee37",
"body": "Previously, it was possible to make a mistake when defining a type-level\ninteger. This was what #89 corrected, as an example.\n\nThis PR adds tests at all `impl_array_sizes!` calls, asserting that\nLHS = RHS of all the arrows.",
"is_bot": false,
"headline": "Add testing for typenum defs (#157)",
"author_name": "Michael Rosenberg",
"author_login": "rozbb",
"committed_at": "2025-11-21T20:52:41Z",
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},
{
"oid": "8791daa4c3924464dfa280f30c5e6ee9793359ae",
"body": "### Added\n- Impl `arbitrary::Arbitrary` for `Array` ([#153])\n\n### Changed\n- Switch from `doc_auto_cfg` to `doc_cfg` ([#154])\n\n[#153]: https://github.com/RustCrypto/hybrid-array/pull/153\n[#154]: https://github.com/RustCrypto/hybrid-array/pull/154",
"is_bot": false,
"headline": "v0.4.5 (#155)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2025-09-29T20:39:59Z",
"body_truncated": false,
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{
"oid": "a7f1721243d55e36dd406d0923a16ad335fa3e47",
"body": "The former was removed from `nightly`. See RustCrypto/traits#2028",
"is_bot": false,
"headline": "Switch from `doc_auto_cfg` to `doc_cfg` (#154)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2025-09-29T20:35:16Z",
"body_truncated": false,
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},
{
"oid": "b4b3cd1deb11634d55dcf2dc3ff5512ca9184f49",
"body": "Support for creating arbitrary arrays using rust-fuzz's `arbitrary`\ncrate, which is useful for randomized testing",
"is_bot": false,
"headline": "Impl `arbitrary::Arbitrary` for `Array` (#153)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2025-09-26T14:45:04Z",
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},
{
"oid": "0b65719ee866c52c23fdaca2d866959988105f1d",
"body": null,
"is_bot": false,
"headline": "CI: use `cargo hack` to test `--feature-powerset` (#152)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2025-09-26T14:19:27Z",
"body_truncated": false,
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},
{
"oid": "ef365c3febcd2f60f8660ad58c0ad3872a537c73",
"body": "### Added\n- Enable the `subtle/const-generics` feature ([#149])\n\n[#149]: https://github.com/RustCrypto/hybrid-array/pull/149",
"is_bot": false,
"headline": "v0.4.4 (#150)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2025-09-24T18:54:25Z",
"body_truncated": false,
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},
{
"oid": "5c3287ee5c7a10aae791e48aa635f4c236b0ceaf",
"body": "`subtle` is an optional dependency, but when it's enabled, this also\nenables its `const-generics` feature",
"is_bot": false,
"headline": "Enable the `subtle/const-generics` feature (#149)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2025-09-24T16:11:08Z",
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},
{
"oid": "0bd107114e2444f787af48b43e96d6658ec9ff72",
"body": "### Added\n- `Array::as_(mut_)ptr` (#147)\n\n### Changed\n- Remove bounds on `Array::slice_as_flattened(_mut)`; make `const fn` (#144)\n- Make `Array::as_(mut_)slice` a `const fn` (#147)\n- Make `Array::<Array<T, U>::as_flattened(_mut)` a `const fn` (#147)",
"is_bot": false,
"headline": "v0.4.3 (#148)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
"committed_at": "2025-09-23T16:18:36Z",
"body_truncated": false,
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},
{
"oid": "6346ecbf89bfc43d48935387a2d12cd8acffb0ce",
"body": "Also makes `as_flattened(_mut)` into `const fn`.\n\nThis uses the same approach as `slice_as_flattened(_mut)` (#144), but\nconstructs a slice of size `U::USIZE`.",
"is_bot": false,
"headline": "Add `as_ptr(_mut)`; make `as_slice(_mut)` into `const fn` (#147)",
"author_name": "Tony Arcieri",
"author_login": "tarcieri",
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"body": "As requested in RustCrypto/utils#1221",
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{
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{
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"code": "public_repos",
"params": {
"count": 40
}
},
{
"code": "account_age_years",
"params": {
"years": 9
}
}
],
"max_points": 25
}
]
},
{
"key": "package_maintenance",
"band": "exceptional",
"name": "Package maintenance",
"note": null,
"notes": [],
"value": 100,
"inputs": {
"packages": [
"hybrid-array"
],
"ecosystems": "crates",
"any_deprecated": false,
"min_days_since_publish": 1
},
"components": [
{
"key": "published_resolvable",
"name": "Published & resolvable",
"detail": "1 package(s) on crates",
"points": 25,
"status": "met",
"details": [
{
"code": "packages_published",
"params": {
"count": 1,
"ecosystems": "crates"
}
}
],
"max_points": 25
},
{
"key": "publish_recency",
"name": "Publish recency",
"detail": "latest publish 1 days ago",
"points": 35,
"status": "met",
"details": [
{
"code": "publish_recency",
"params": {
"days": 1
}
}
],
"max_points": 35
},
{
"key": "version_history",
"name": "Version history",
"detail": "43 published versions",
"points": 20,
"status": "met",
"details": [
{
"code": "published_versions",
"params": {
"count": 43
}
}
],
"max_points": 20
},
{
"key": "not_deprecated",
"name": "Not deprecated",
"detail": "active, not deprecated or yanked",
"points": 20,
"status": "met",
"details": [
{
"code": "package_not_deprecated",
"params": {}
}
],
"max_points": 20
}
]
}
],
"description": "Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?"
},
{
"key": "engineering",
"band": "moderate",
"name": "Engineering Quality",
"value": 57,
"weight": 0.19,
"metrics": [
{
"key": "engineering_practices",
"band": "good",
"name": "Engineering practices",
"note": null,
"notes": [],
"value": 68,
"inputs": {
"has_ci": true,
"has_tests": true,
"has_editorconfig": false,
"has_linter_config": false,
"has_precommit_config": false
},
"components": [
{
"key": "ci_workflows",
"name": "CI workflows",
"detail": "2 workflow(s)",
"points": 24,
"status": "met",
"details": [
{
"code": "ci_workflows",
"params": {
"count": 2
}
}
],
"max_points": 24
},
{
"key": "tests_present",
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"detail": null,
"points": 24,
"status": "met",
"details": [],
"max_points": 24
},
{
"key": "linter_config",
"name": "Linter config",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 16
},
{
"key": "pre_commit_hooks",
"name": "Pre-commit hooks",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 9.6
},
{
"key": "editorconfig",
"name": ".editorconfig",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 6.4
},
{
"key": "openssf_scorecard_ci_tests",
"name": "OpenSSF Scorecard: CI-Tests",
"detail": "29 out of 29 merged PRs checked by a CI test -- score normalized to 10",
"points": 20,
"status": "met",
"details": [],
"max_points": 20
}
]
},
{
"key": "documentation",
"band": "weak",
"name": "Documentation",
"note": null,
"notes": [],
"value": 40,
"inputs": {
"topics": [],
"has_wiki": false,
"homepage": null,
"has_readme": true,
"has_docs_dir": false,
"has_description": true
},
"components": [
{
"key": "readme",
"name": "README",
"detail": null,
"points": 30,
"status": "met",
"details": [],
"max_points": 30
},
{
"key": "documentation_directory",
"name": "Documentation directory",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 25
},
{
"key": "documentation_homepage_site",
"name": "Documentation / homepage site",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 15
},
{
"key": "repository_description",
"name": "Repository description",
"detail": null,
"points": 10,
"status": "met",
"details": [],
"max_points": 10
},
{
"key": "topics",
"name": "Topics",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 10
},
{
"key": "wiki",
"name": "Wiki",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 10
}
]
}
],
"description": "Are baseline engineering and documentation practices in place?"
},
{
"key": "security",
"band": "good",
"name": "Security",
"value": 67,
"weight": 0.16,
"metrics": [
{
"key": "security_posture",
"band": "moderate",
"name": "Security posture",
"note": "Excluded from scoring (no data or not applicable): Signed-Releases. Remaining weights renormalized.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
"signed_releases"
]
}
},
{
"code": "weights_renormalized",
"params": {}
}
],
"value": 59,
"inputs": {
"source": "openssf_scorecard",
"checks_evaluated": 17,
"scorecard_version": "v5.5.0",
"checks_inconclusive": 1,
"scorecard_aggregate": 5.9
},
"components": [
{
"key": "binary_artifacts",
"name": "Binary-Artifacts",
"detail": "no binaries found in the repo",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
},
{
"key": "branch_protection",
"name": "Branch-Protection",
"detail": "branch protection not enabled on development/release branches",
"points": 0,
"status": "missed",
"details": [],
"max_points": 7.5
},
{
"key": "ci_tests",
"name": "CI-Tests",
"detail": "29 out of 29 merged PRs checked by a CI test -- score normalized to 10",
"points": 2.5,
"status": "met",
"details": [],
"max_points": 2.5
},
{
"key": "cii_best_practices",
"name": "CII-Best-Practices",
"detail": "no effort to earn an OpenSSF best practices badge detected",
"points": 0,
"status": "missed",
"details": [],
"max_points": 2.5
},
{
"key": "code_review",
"name": "Code-Review",
"detail": "Found 3/25 approved changesets -- score normalized to 1",
"points": 0.8,
"status": "partial",
"details": [],
"max_points": 7.5
},
{
"key": "contributors",
"name": "Contributors",
"detail": "project has 13 contributing companies or organizations",
"points": 2.5,
"status": "met",
"details": [],
"max_points": 2.5
},
{
"key": "dangerous_workflow",
"name": "Dangerous-Workflow",
"detail": "no dangerous workflow patterns detected",
"points": 10,
"status": "met",
"details": [],
"max_points": 10
},
{
"key": "dependency_update_tool",
"name": "Dependency-Update-Tool",
"detail": "update tool detected",
"points": 7.5,
"status": "met",
"details": [],
"max_points": 7.5
},
{
"key": "fuzzing",
"name": "Fuzzing",
"detail": "project is not fuzzed",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "license",
"name": "License",
"detail": "license file detected",
"points": 2.5,
"status": "met",
"details": [],
"max_points": 2.5
},
{
"key": "maintained",
"name": "Maintained",
"detail": "10 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 8",
"points": 6,
"status": "partial",
"details": [],
"max_points": 7.5
},
{
"key": "packaging",
"name": "Packaging",
"detail": "packaging workflow detected",
"points": 5,
"status": "met",
"details": [],
"max_points": 5
},
{
"key": "pinned_dependencies",
"name": "Pinned-Dependencies",
"detail": "dependency not pinned by hash detected -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "sast",
"name": "SAST",
"detail": "SAST tool is not run on all commits -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "security_policy",
"name": "Security-Policy",
"detail": "security policy file not detected",
"points": 0,
"status": "missed",
"details": [],
"max_points": 5
},
{
"key": "signed_releases",
"name": "Signed-Releases",
"detail": "no releases found",
"points": 0,
"status": "excluded",
"details": [
{
"code": "no_data",
"params": {}
}
],
"max_points": 7.5
},
{
"key": "token_permissions",
"name": "Token-Permissions",
"detail": "detected GitHub workflow tokens with excessive permissions",
"points": 6.8,
"status": "partial",
"details": [],
"max_points": 7.5
},
{
"key": "vulnerabilities",
"name": "Vulnerabilities",
"detail": "1 existing vulnerabilities detected",
"points": 6.8,
"status": "partial",
"details": [],
"max_points": 7.5
}
]
},
{
"key": "dependency_advisories",
"band": "exceptional",
"name": "Dependency advisories",
"note": "Excluded from scoring (no data or not applicable): No advisories left outstanding. Remaining weights renormalized. Matched the crates:hybrid-array@0.4.14 runtime dependency closure — what installing the published package pulls in — 19 packages. Reachability is not analyzed.",
"notes": [
{
"code": "excluded_no_data",
"params": {
"components": [
"no_advisories_left_outstanding"
]
}
},
{
"code": "weights_renormalized",
"params": {}
},
{
"code": "advisories_scope_published",
"params": {
"package": "crates:hybrid-array@0.4.14",
"assessed": 19
}
},
{
"code": "advisories_reachability",
"params": {}
}
],
"value": 100,
"inputs": {
"source": "osv",
"advisories": 0,
"affected_packages": 0,
"assessed_packages": 19,
"unassessed_packages": 0,
"affected_by_severity": "none",
"direct_affected_packages": 0
},
"components": [
{
"key": "direct_dependencies_free_of_known_advisories",
"name": "Direct dependencies free of known advisories",
"detail": "no direct dependency carries a known advisory",
"points": 35,
"status": "met",
"details": [
{
"code": "no_direct_advisories",
"params": {}
}
],
"max_points": 35
},
{
"key": "indirect_dependencies_free_of_known_advisories",
"name": "Indirect dependencies free of known advisories",
"detail": "no indirect dependency carries a known advisory",
"points": 25,
"status": "met",
"details": [
{
"code": "no_indirect_advisories",
"params": {}
}
],
"max_points": 25
},
{
"key": "no_advisories_left_outstanding",
"name": "No advisories left outstanding",
"detail": "no advisory carries a publication date",
"points": 0,
"status": "excluded",
"details": [
{
"code": "advisories_no_publication_date",
"params": {}
}
],
"max_points": 40
}
]
},
{
"key": "malicious_dependencies",
"band": "exceptional",
"name": "Malicious dependencies",
"note": null,
"notes": [],
"value": 100,
"inputs": {
"source": "osv",
"meaning": "reported as a malicious package by the OpenSSF corpus; the remedy is removal or moving off the compromised name, never an upgrade of the same artifact. Versions the registry has since pulled are listed but not scored",
"packages": [],
"red_flag": false,
"assessed_packages": 19,
"malicious_packages": 0,
"direct_malicious_packages": 0,
"withdrawn_malicious_packages": 0,
"installable_malicious_packages": 0
},
"components": [
{
"key": "no_dependency_reported_as_a_malicious_package",
"name": "No dependency reported as a malicious package",
"detail": "no dependency is reported as a malicious package",
"points": 100,
"status": "met",
"details": [
{
"code": "no_malicious_dependencies",
"params": {}
}
],
"max_points": 100
}
]
},
{
"key": "high_risk_jurisdiction_exposure",
"band": "exceptional",
"name": "High-Risk Jurisdiction Exposure",
"note": "Only high-confidence self-published location evidence affects this multiplier. Ambiguous matches are review-only; country evidence is not proof of nationality, citizenship, legal registration, malicious intent, or sanctions status. 1 match(es) from contributors below the commit-weight threshold (fewer than 50 commits and under 10% of sampled commits) are recorded for review and do not affect the score.",
"notes": [
{
"code": "jurisdiction_evidence_limits",
"params": {}
},
{
"code": "jurisdiction_below_threshold",
"params": {
"count": 1
}
}
],
"value": 100,
"inputs": {
"meaning": "self-published location evidence; not nationality or citizenship",
"red_flag": false,
"exposures": [],
"policy_countries": [
"Russia",
"Iran",
"North Korea"
],
"commit_weight_rule": {
"min_commits": 50,
"min_commit_share": 0.1
},
"review_only_matches": 0,
"below_threshold_exposures": [
{
"role": "contributor_organization",
"count": 1,
"country": "Russia"
}
],
"assessed_self_published_locations": 12
},
"components": [
{
"key": "policy_exposure_multiplier",
"name": "Policy exposure multiplier",
"detail": "no confirmed policy-scope location match; 1 match(es) below the commit-weight threshold (<50 commits and <10% of commits), review-only",
"points": 100,
"status": "met",
"details": [
{
"code": "jurisdiction_no_match",
"params": {}
},
{
"code": "jurisdiction_below_threshold",
"params": {
"count": 1,
"share": 10,
"commits": 50
}
}
],
"max_points": 100
}
]
}
],
"description": "Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure?"
},
{
"key": "ai_readiness",
"band": "moderate",
"name": "AI Readiness",
"value": 62,
"weight": 0.04,
"metrics": [
{
"key": "ai_agent_context",
"band": "weak",
"name": "Agent context & guidance",
"note": null,
"notes": [],
"value": 40,
"inputs": {
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"legible_history_share": 0.956,
"agent_instruction_files": [],
"agent_instruction_max_bytes": null
},
"components": [
{
"key": "agent_instructions",
"name": "Agent instructions",
"detail": "no CLAUDE.md / AGENTS.md / editor rules",
"points": 0,
"status": "missed",
"details": [
{
"code": "no_agent_instructions",
"params": {}
}
],
"max_points": 45
},
{
"key": "machine_readable_docs_llms_txt",
"name": "Machine-readable docs (llms.txt)",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 15
},
{
"key": "legible_commit_history",
"name": "Legible commit history",
"detail": "87 of 91 human commits state their intent (structured subject or explanatory body)",
"points": 40,
"status": "met",
"details": [
{
"code": "legible_history",
"params": {
"legible": 87,
"sampled": 91
}
}
],
"max_points": 40
}
]
},
{
"key": "ai_verify_loop",
"band": "moderate",
"name": "Verify loop (build / test / typecheck)",
"note": null,
"notes": [],
"value": 64,
"inputs": {
"has_nix": false,
"has_tests": true,
"lockfiles": [
"Cargo.lock"
],
"has_dockerfile": false,
"typed_language": true,
"bootstrap_files": [],
"has_devcontainer": false,
"has_linter_config": false,
"typecheck_configs": [],
"agent_commit_share": 0,
"toolchain_manifests": [
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"dependency_bot_commit_share": 0.09
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"components": [
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"key": "one_command_bootstrap",
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"detail": "Cargo.toml (toolchain convention, no task runner)",
"points": 12.6,
"status": "partial",
"details": [
{
"code": "toolchain_convention",
"params": {
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}
],
"max_points": 18
},
{
"key": "automated_tests",
"name": "Automated tests",
"detail": null,
"points": 22,
"status": "met",
"details": [],
"max_points": 22
},
{
"key": "lint_format_config",
"name": "Lint / format config",
"detail": null,
"points": 0,
"status": "missed",
"details": [],
"max_points": 11
},
{
"key": "static_type_checking",
"name": "Static type checking",
"detail": "Rust (statically typed)",
"points": 11,
"status": "met",
"details": [
{
"code": "statically_typed_language",
"params": {
"language": "Rust"
}
}
],
"max_points": 11
},
{
"key": "reproducible_environment",
"name": "Reproducible environment",
"detail": "lockfile",
"points": 10,
"status": "met",
"details": [
{
"code": "file_list",
"params": {
"files": "lockfile"
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}
],
"max_points": 10
},
{
"key": "demonstrated_agent_practice",
"name": "Demonstrated agent practice",
"detail": "no agent-authored commits among the last 100",
"points": 0,
"status": "missed",
"details": [
{
"code": "no_agent_authored_commits",
"params": {
"sampled": 100
}
}
],
"max_points": 10
},
{
"key": "automated_maintenance",
"name": "Automated maintenance",
"detail": "9 of the last 100 commits are automated dependency updates",
"points": 8,
"status": "met",
"details": [
{
"code": "dependency_bot_commits",
"params": {
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"sampled": 100
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}
],
"max_points": 8
},
{
"key": "openssf_scorecard_pinned_dependencies",
"name": "OpenSSF Scorecard: Pinned-Dependencies",
"detail": "dependency not pinned by hash detected -- score normalized to 0",
"points": 0,
"status": "missed",
"details": [],
"max_points": 10
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]
},
{
"key": "ai_code_legibility",
"band": "exceptional",
"name": "Code legibility for models",
"note": null,
"notes": [],
"value": 100,
"inputs": {
"primary_language": "Rust",
"largest_source_bytes": 35808,
"source_files_sampled": 10,
"oversized_source_files": 0
},
"components": [
{
"key": "type_checkable_code",
"name": "Type-checkable code",
"detail": "Rust (statically typed)",
"points": 45,
"status": "met",
"details": [
{
"code": "statically_typed_language",
"params": {
"language": "Rust"
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}
],
"max_points": 45
},
{
"key": "manageable_file_sizes",
"name": "Manageable file sizes",
"detail": "0/10 source files over 60KB",
"points": 55,
"status": "met",
"details": [
{
"code": "oversized_source_files",
"params": {
"kb": 60,
"sampled": 10,
"oversized": 0
}
}
],
"max_points": 55
}
]
}
],
"description": "How well is the repo equipped to be developed and maintained with AI coding agents? Carries a deliberately small weight: agent tooling is a real maintenance signal, but its absence must never gate the top of the scale (calibration saturates at raw 91, so 100/100 remains reachable with AI Readiness at zero)."
}
],
"classification": {
"labels": [
"library"
],
"scores": {
"library": 6
},
"primary": "library",
"evidence": [
{
"tier": "distribution",
"label": "library",
"source": "registry:crates",
"weight": 6
}
],
"artifacts": [],
"confidence": "medium",
"host_extension": false,
"runs_as_process": false,
"consumed_by_code": true
},
"metrics_version": "2.3.1"
},
"warnings": [
"Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token"
],
"report_type": "repository",
"generated_at": "2026-07-31T22:52:51.369580Z",
"schema_version": "0.27.0",
"badge_url": "https://raw.githubusercontent.com/inspect-software/badges/main/v1/r/RustCrypto/hybrid-array.svg",
"full_name": "RustCrypto/hybrid-array",
"license_state": "standard",
"license_spdx": "Apache-2.0"
}
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Scores are signals, not warranties. They reflect publicly visible practices on GitHub — not a code audit, and not a security guarantee.
Missing data is excluded and weights renormalized, never scored as zero. Methodology is versioned and open: metrics v2.3.1, schema v0.27.0 — full methodology · metrics wiki.
