PorchlampFind the projects that leave the light on.2026-10-17

What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.

Outside pull requests to immunant/c2rust got a first human reply in a median of 23.3 hours (191 pull requests, 19 April to 16 October 2026); 17% got none within 14 days. It ranks 963 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.

Key facts
Rank963 of 3,219
Score55.65
TierB
Median first reply23.3 hours
14-day no-reply share17%
First-timer rankNot enough evidence to show under this lens.
EcosystemRust
Window19 April to 16 October 2026

Composite

Rank
963 of 3,219
Score
55.65
Tier
B
Coverage
95% · Full
Quadrant
Nursery

Coordinates: leverage 46.0 (coverage 100%), friction 34.3 (coverage 90%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness73.880%
Criticality37.1100%
Governance59.3100%
Rigor51.9100%
Accessibility55.3100%

The measured parameters

Responsiveness

ParameterValueScoreCountWindowSource
Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days.95.7%100.06919 April to 18 July 2026primaryraw/pr_window/immunant__c2rust.json
PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days.17.3%65.418520 April to 17 October 2026primaryraw/pr_window/immunant__c2rust.json
First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged.Not shown: Insufficient sample size
Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply.23.3 hours (1 days)76.119119 April to 16 October 2026primaryraw/pr_window/immunant__c2rust.json
Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged.939.8 hours (39.2 days)13.816619 April to 16 October 2026primaryraw/pr_window/immunant__c2rust.json

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.240.9——primaryraw/dependents/immunant__c2rust.json
Monthly DownloadsDownloads from the package registry in a month.1,652 downloads a month29.6——primaryraw/downloads/crates__c2rust.json
OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals.0.381438.1——primaryraw/github_meta/immunant__c2rust.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.250.0980—primaryraw/commits_365d/immunant__c2rust.json
Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA.No CLA or sign-off found85.0——primaryraw/governance/immunant__c2rust.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/immunant__c2rust.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/immunant__c2rust.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.62.562.5——primaryraw/scorecard/immunant__c2rust.json
Substantive Review RateShare of decided pull requests that received a substantive review.39.8%49.718619 April to 16 October 2026primaryraw/pr_window/immunant__c2rust.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.3535.030—primaryraw/actions_runs/immunant__c2rust.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.75.0%100.08—primaryraw/author_history/immunant__c2rust.json
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.00.0——primaryraw/gfi/immunant__c2rust.json
Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days.83.3%100.06—primaryraw/author_history/immunant__c2rust.json

Persona view

PersonaRankScoreTierStatus
Balanced963 of 3,21955.65BRated
First-timerNot enough evidence to show under this lens.
Career capitalThis repository's production-criticality signal is not yet high enough for career-capital ranking.
Senior systemsFewer than 3 organizations account for most commits (not multi-vendor).
AI-assisted1,213 of 3,69654.76CRated

Integrity

Snapshot
2026-10-17
Raw hash
bb873e7d2b1203844c820a7429c3d92a1d28431b5eed1cfa0b05a90e491be1c6

No suspicion flags on this repository.

The full record is in data/2026-10-17/repos/ad.json, under the key immunant/c2rust.

How every number is measured: Porchlamp methodology.

Open an issue about this record and say what looks wrong.

Porchlamp (2026). immunant/c2rust. Snapshot 2026-10-17. https://porchlamp.org/projects/immunant/c2rust/. CC BY 4.0.

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