Can't run Rust on a 486.<p>This is more an issue with the toolchain than anything else though. Other distributions are hitting the same wall, in OpenBSD, for example.
Apparently you can still buy 80486 chips:<p><a href="https://octopart.com/search?q=80486&currency=USD&specs=0&category_id=4215" rel="nofollow">https://octopart.com/search?q=80486&currency=USD&specs=0&cat...</a>