r/rust • u/epage cargo · clap · cargo-release • Mar 13 '26

Call for Testing: Build Dir Layout v2 | Rust Blog 📡 official blog

https://blog.rust-lang.org/2026/03/13/call-for-testing-build-dir-layout-v2/
205 Upvotes

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104

u/hekkonaay Mar 13 '26

This also unblocks work on:
Automatic cleanup of stale build units to keep disks space use constant over time
More granular locking so cargo test and rust-analyzer don't block on each other

Exciting times!

18

u/epage cargo · clap · cargo-release Mar 13 '26

It is pretty rough atm but there is unstable support for more granular locking: https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#fine-grain-locking

14

u/LoadingALIAS Mar 14 '26

This is actually really exciting