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docs: sync required Rust version in README with MSRV (1.88) - #3894

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docs: sync required Rust version in README with MSRV (1.88)#3894
yunaremaia wants to merge 2 commits into
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yunaremaia:fix/readme-rust-msrv-1.88

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@yunaremaia yunaremaia commented Aug 27, 2026

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Summary

  • Cargo.toml sets rust-version = "1.88", but README.md still instructs building from source with Rust 1.79.0 or later.
  • Updates the README build instructions to require Rust 1.88 or higher, matching the actual MSRV.

Why

Anyone following the README with a toolchain between 1.79 and 1.88 would hit a hard build failure (rust-version mismatch). Keeping docs in sync with Cargo.toml avoids that.

Detected automatically with driftcheck (a small CLI that flags doc/toolchain version drift).

Test plan

  • driftcheck reports no remaining Rust drift after the change
  • Diff is docs-only (single line in README.md)

Cargo.toml sets rust-version = "1.88" but README still says 1.79.0.
Sync the build docs with the actual MSRV.

Detected with driftcheck (github.com/yunaremaia/driftcheck).
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