this derivation will be built:
  /nix/store/sj431lljmcifks503qxwd7zgf1b3mjqq-flake-inputs.drv
building '/nix/store/sj431lljmcifks503qxwd7zgf1b3mjqq-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-30T18:45:22.169Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-30T18:45:22.678Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-30T18:45:23.057Z level=INFO msg="Upload complete. (2.941s)"