fix(ci): pass explicit toolchain=stable to rust-toolchain in nightly#51
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…integration The dtolnay/rust-toolchain SHA bump that landed in #48 broke the nightly integration job — the new SHA requires the `toolchain` input explicitly, where the prior pinned SHA defaulted to stable when input was empty. This morning's nightly run (2026-05-04) failed on: Install Rust → 'toolchain' is a required input Fix: pass `toolchain: stable` matching the action's default semantics. ci-rust.yml already passes the toolchain via matrix.rust-version, so that workflow was unaffected.
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Summary
with: toolchain: stableto the Install Rust step inintegration-nightly.yml.Why
The
dtolnay/rust-toolchainSHA bump that landed yesterday (#48) broke this morning's nightly run with:The previous pinned SHA defaulted to
stablewhen notoolchaininput was passed; the new SHA requires it explicitly.ci-rust.ymlalready passes the input via the matrix and was unaffected.Test plan
gh workflow run "Nightly Integration" --repo runcycles/.github) to verify the fix without waiting for tomorrow's 03:00 UTC cron