sccache 0.8+ (opendal backend) requires AWS_REGION, not just AWS_DEFAULT_REGION. Also set SCCACHE_REGION as belt-and-suspenders. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
sccache 0.8+ (opendal backend) requires AWS_REGION, not just AWS_DEFAULT_REGION. Also set SCCACHE_REGION as belt-and-suspenders. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>