this derivation will be built:
  /nix/store/pbn0fbrawnx1p8cczc8p0qq582kjmm09-flake-inputs.drv
building '/nix/store/pbn0fbrawnx1p8cczc8p0qq582kjmm09-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-25T18:17:14.810Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-25T18:17:15.288Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T18:17:15.707Z level=INFO msg="Upload complete. (1.027s)"