wide-arithmetic compiler warning is noisy and confusing

[Keinberger]

The wide-arithmetic compiler warning fires on every contract build. Harmless but confusing, especially for AI agents that interpret warnings as errors.

Reported by multiple builders during Miden Day.

[greenhat]

I could not find a way to selectively silence this particular warning.

[bitwalker]

Yes this is not something we can suppress - it comes from rustc.

I don't think agents would get confused by this though - they certainly haven't in my experience.

We can expect this to go away when the wide-arithmetic feature stabilizes in Wasm. It may already be the case in recent Rust releases, but we'll have to do a toolchain update to see.