aws-samples / aws-samples/sample-code-for-a-secure-vault-using-aws-nitro-enclaves
RUSTSEC-2026-0173: proc-macro-error2 is unmaintained
- Dominant language
- Rust
- Stars
- 9
- Forks
- 7
- PR merge metrics
- No merged PRs in 30d
Description
> proc-macro-error2 is unmaintained
| Details | |
| ------------------- | ---------------------------------------------- |
| Status | unmaintained |
| Package | `proc-macro-error2` |
| Version | `2.0.1` |
| URL | [https://github.com/GnomedDev/proc-macro-error-2/issues/17](https://github.com/GnomedDev/proc-macro-error-2/issues/17) |
| Date | 2026-06-07 |
The author of `proc-macro-error2` has [confirmed](https://github.com/GnomedDev/proc-macro-error-2/issues/17#issuecomment-4643215473) that the crate is no longer maintained and recommends that users migrate away from it.
`proc-macro-error2` was originally created as a maintained fork of [`proc-macro-error`](https://crates.io/crates/proc-macro-error) (see [RUSTSEC-2024-0370](https://rustsec.org/advisories/RUSTSEC-2024-0370)). Both the original crate and this fork are now unmaintained.
## Possible Alternative(s)
- [manyhow](https://crates.io/crates/manyhow)
- [proc-macro2-diagnostics](https://github.com/SergioBenitez/proc-macro2-diagnostics)
See [advisory page](https://rustsec.org/advisories/RUSTSEC-2026-0173.html) for additional details.
Contributor guide
Research direction
Search the repository's dependency manifests and usage sites for proc-macro-error2, then read the referenced advisory and compare the listed alternatives. Done means the unmaintained dependency is no longer required and the Rust project still builds and passes its existing checks.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- security
- Issue type
- Refactor
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100