The wheels uploaded for lakers-python do not contain wheels for pypy; this means that pypy hosts have to have a local Rust installation to install it.

It's not a big deal, but I think it should be tracked (it may be related that it's a workaround I put into the aiocoap build scripts that increases CI times, and I am in the habit of associating workarounds to a link to what they are working around ;-) ).

I have had a brief look at my own maturin "reference" project, cbor-diag, which has pypy builds, and I don't even remember ever having done anything to make that work, but I'll have another look to see whether this can be fixed easily.