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Rust compiler support works differently

Rust compiler support works differently

Posted Dec 15, 2025 13:03 UTC (Mon) by pizza (subscriber, #46)
In reply to: Rust compiler support works differently by taladar
Parent article: The state of the kernel Rust experiment

> But the reason stable distros do that with other software is that most programs are not backwards compatible in the way the Rust compiler is.

That only applies if your code (and every crate it pulls in) doesn't use any "unstable" Rust features.

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Rust compiler support works differently

Posted Dec 16, 2025 9:20 UTC (Tue) by taladar (subscriber, #68407) [Link]

Yes, it only applies if you actually use a released stable version. All the more reason to get the Linux kernel to a Rust version where all the features it needs are stabilized instead of applying some sort illusion of stability that will just lead to a huge jump from an old version of that unstable feature to whatever is in the version they update to years later.


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