[Pre-RFC] Crates expropriation policy

[kornel]

I have considered starting an alternative filtered/curated registry, but I don't think it's actually possible in practice.

I've started a separate topic about the deal-breaker with alternative registries:

Silo effect of alternative registries

In discussions about cratesio features/policies one of proposed workarounds is to make an alternative registry instead, which could have the desired features. I’m considering doing that, but the details of how it would work turn out to be pretty messy. Alternative registries are fine for adding a few new private packages on top of cratesio, but a cratesio replacement is very problematic. Silo of crate deduplication The biggest obstacle I see is that the way cargo deduplicates dependencies. Eac…