this derivation will be built:
  /nix/store/h1saslfj443zbxv977g7v90i77jzxcyb-flake-inputs.drv
building '/nix/store/h1saslfj443zbxv977g7v90i77jzxcyb-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-26T18:40:19.837Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-26T18:40:20.220Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T18:40:20.762Z level=INFO msg="Upload complete. (1.043s)"