this derivation will be built: /nix/store/6cz31m6jdv5i0dlx0qh7x8di77vp1q77-flake-inputs.drv building '/nix/store/6cz31m6jdv5i0dlx0qh7x8di77vp1q77-flake-inputs.drv' post-build step Upload to niks3: ok time=2026-08-31T18:35:24.909Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)" time=2026-08-31T18:35:25.405Z level=INFO msg="Uploading 1 narinfos" time=2026-08-31T18:35:25.764Z level=INFO msg="Upload complete. (1.39s)"