rob thijssen
cad7552104
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CI run 255 job 3 (CUDA type-check) fails with:
error: could not execute process `*** rustc -vV` (never executed)
Caused by: No such file or directory (os error 2)
The redacted `***` is `sccache`. The ci.yml workflow-level env block
sets `RUSTC_WRAPPER: sccache` because the generic `rust` runner has
sccache installed and routes the cache to caveman.kosherinata.internal.
The new `cuda-check` job runs on `cuda-13.0` (where nvcc lives), and
that runner doesn't carry sccache on PATH — so cargo's first action
(`sccache rustc -vV` to probe the compiler version) fails before
borrow-check even starts.
`build-prerelease.yml`, which uses the same `cuda-13.0` runner for
the actual release neuron builds, deliberately does NOT set
RUSTC_WRAPPER. That's the pattern this commit applies.
Fix: override `RUSTC_WRAPPER` (plus the SCCACHE_* and AWS_* env
locally on the job. We lose caching on the cuda-check job (it's
borrow-check-only and finishes in a couple minutes anyway), but
the gate runs.
The job's purpose — fail fast on `#[cfg(feature = "cuda")]`
borrowck errors that the default-feature gate misses — is what
matters, and that purpose was undermined by the env inheritance.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
11 KiB
11 KiB