RUSTSEC-2026-0173
proc-macro-error2 is unmaintained
Details
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has [confirmed](https://github.com/GnomedDev/proc-macro-error-2/issues/17#issuecomment-4643215473) that the crate is no longer maintained and recommends that users migrate away from it.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)
Are you affected?
Enter the version of the package you're using.
Affected packages
0.0.0-0 No fixed version published yet for proc-macro-error2. Pin to a known-safe version or switch to an alternative.