this derivation will be built:
  /nix/store/25jw0xn3cwmhb6lj7j016gbc84lkffws-flake-inputs.drv
building '/nix/store/25jw0xn3cwmhb6lj7j016gbc84lkffws-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-25T06:02:43.860Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-25T06:02:44.296Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T06:02:44.652Z level=INFO msg="Upload complete. (910ms)"