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pgherveou and others added 5 commits January 16, 2026 14:22
When cargo test runs, it sets RUSTUP_TOOLCHAIN to the test runner's
toolchain, which overrides the scaffolded project's rust-toolchain.toml.
This caused build-std to fail because stable Rust was used instead of
nightly.

Fix by removing CARGO and RUSTUP_TOOLCHAIN env vars when spawning the
cargo build subprocess, allowing the project's toolchain config to work.

Co-Authored-By: Claude Opus 4.5 <[email protected]>
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cla-bot-2021 bot commented Jan 16, 2026

User @claude, please sign the CLA here.

@pgherveou pgherveou merged commit 8e7bba1 into main Jan 16, 2026
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2 participants