Oli Scherer

also next time you merge, maybe rebase and squash instead?

This is not possible unless we get an async effect system, which is years off if we'll get it at all. The workaround for these cases is to write into...

clippy already has serde-specific lints, maybe it could be a new restriction lint?

I don't think we're able to change anything here without support from the Rust compile for producing custom diagnostics for our types and traits

This should be a simple addition to the iterator method chain lint

@rustbot ready

@bors r=lcnr

Ah cool, so now that I have a reliable way to trigger that, lemme try to avoid caching

> or hm 🤷 this PR gives an easy way to actually test the changes, so whatever you prefer 😅 I can do the fix in a separate PR, but...

@bors r=lcnr