this derivation will be built: /nix/store/4s9cg4bfdj79xxk5569kc8xp2iq88h5h-flake-inputs.drv building '/nix/store/4s9cg4bfdj79xxk5569kc8xp2iq88h5h-flake-inputs.drv' post-build step Upload to niks3: ok time=2026-09-01T10:15:25.642Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)" time=2026-09-01T10:15:26.154Z level=INFO msg="Uploading 1 narinfos" time=2026-09-01T10:15:26.507Z level=INFO msg="Upload complete. (985ms)"