updated rust pins - #71
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Pull request overview
Updates the Nix flake Rust toolchain pinning to avoid recent build breakage related to binrw when using the previously pinned Rust, aligning the dev environment with a stable toolchain that should build successfully.
Changes:
- Switch Rust toolchain selection in
flake.nixfromrust-bin.nightly.latest.defaulttorust-bin.stable.latest.default. - Update
flake.lockto newernixpkgsandrust-overlayrevisions (and corresponding hashes/metadata).
Reviewed changes
Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| flake.nix | Moves devshell/toolchain inputs from nightly to stable for cargo/rustc and the shell’s Rust package. |
| flake.lock | Advances pinned nixpkgs/rust-overlay inputs to match the updated toolchain selection. |
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mattfairsaronic
approved these changes
Jul 17, 2026
therishidesai
approved these changes
Jul 27, 2026
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Rust version pinned in current flake will not build with
binrw. We probably never noticed this because the brokencargo afldependency would not let the default devshell run until #67 was fixed recently.There is now a warning
It is a known, well characterized issue that happened some time after
rustcv1.95.0: jam1garner/binrw#366, rust-lang/rust#127909. It's been fixed upstream onmaster, just not released onto crates.io yet.