Hosted pre-compiled builds would need to account for - Feature flags - Platform conditionals - The specific rust version being used - (unsure on this) the a

Hosted pre-compiled builds would need to account for - Feature flags - Platform conditionals - The specific rust version being used - (unsure on this) the above for all dependencies of what is being pre-compiled There is also the impediments of designing / agreeing on a security model (do you trust the author like PyPI, trust a central build authority, etc) and then funding the continued hosting. Compiling on demand like in sccache is likely the best route for not over-building and being able to evict unused items.