this derivation will be built:
  /nix/store/5janwnkqihfxba2iyblyqnqq054m296g-flake-inputs.drv
building '/nix/store/5janwnkqihfxba2iyblyqnqq054m296g-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-29T18:14:59.949Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-29T18:15:00.531Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T18:15:00.996Z level=INFO msg="Upload complete. (1.242s)"