post-build step Upload to niks3: ok time=2026-09-16T11:10:02.957Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (73 already cached)" time=2026-09-16T11:10:02.957Z level=INFO msg="Uploading cvwl9ma2phpyaxqpivl899y4z73hh88l-claude-code-router-3.1.0 (266.2MB)" time=2026-09-16T11:12:29.005Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe" time=2026-09-16T11:12:29.007Z level=INFO msg="Uploading 1 narinfos" time=2026-09-16T11:12:29.518Z level=INFO msg="Upload complete. (2m27.962s)"