# crates.io: Critical incident: crates.io unavailable

**Summary:** _summary pending_
- Kind: Major incident · Label: critical (vendor)
- Changed: 2024-03-22 07:11 UTC · Detected: 2026-10-19 17:33 UTC
- [Source: https://stspg.io/xwcn7p2g5y2w](https://stspg.io/xwcn7p2g5y2w)
- [Company: crates.io](https://rewindex.com/company/crates-io.md)
- Versions: before (none: first archived) → after incident\_version:706/1dnh8hwj7q81@e9393d9da302
- Change 1 of 1 for this incident

Incident page (full timeline): [crates.io unavailable](https://rewindex.com/company/crates-io/incidents/1dnh8hwj7q81.md)
## What changed

**1. Added: Title**

```diff
+ crates.io unavailable
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-03-22 07:11 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-03-22 07:56 UTC
```

**6. Added: Affected components**

```diff
+ crates.io
```

**7. Added: Update** (investigating) · 2024-03-22 07:11 UTC

```diff
+ We are investigating the crates.io website and API being unavailable. Downloads from recent Cargo versions should be working, but older Cargo releases relying on the crates.io API are affected.
```

**8. Added: Update** (monitoring) · 2024-03-22 07:26 UTC

```diff
+ We have identified a problem with our read-only database replica and routed traffic away from it. We are monitoring the recovery, and we will continue investigating the cause of the problem.
```

**9. Added: Update** (monitoring) · 2024-03-22 07:48 UTC

```diff
+ Since the last update, crates.io fully recovered and we are serving traffic as usual. We're continuing to monitor the situation and we'll re-enable the read-only replica again soon.
```

**10. Added: Update** (resolved) · 2024-03-22 07:56 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-03-22 07:11 UTC | Critical incident: crates.io unavailable (this change) | critical |

All crates.io changes: [timeline](https://rewindex.com/company/crates-io/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i0b0c43319dabae · Markdown: https://rewindex.com/change/i0b0c43319dabae.md · JSON: https://rewindex.com/api/v1/changes/i0b0c43319dabae · Generated 2026-10-20T00:48:37.648Z