Administrator-provided reasons for yanked crates

[nikomatsakis]

Metadata
Owner(s)	%hi-rustin
Team(s)	cargo, crates-io
Goal document	2024h2/yank-crates-with-a-reason

Summary

Over the next 6 months, we will add support to the registry yank API for providing a reason when a crate is yanked. This reason can then be displayed to users. After this feature has been up and running for a while, we'll open it up to Cargo to support filling in the reason for yanking.

Tasks and status

• [ ] Yank crates with a reason
  • [ ] Implementation (%hi-rustin)
  • [ ] Standard reviews (crates-io )
  • [ ] Try it out in crates.io (crates-io )
  • [ ] Author RFC (%hi-rustin)
  • [ ] Approve RFC (cargo, crates-io )
  • [ ] Implementation in Cargo side (%hi-rustin)
  • [ ] Inside Rust blog post inviting feedback (%hi-rustin)
  • [ ] Stabilization decision (cargo )