this derivation will be built:
  /nix/store/262cfcnhpi436s22fbqdsal9kfvchajg-flake-inputs.drv
building '/nix/store/262cfcnhpi436s22fbqdsal9kfvchajg-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-31T19:21:18.485Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-31T19:21:18.916Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T19:21:19.279Z level=INFO msg="Upload complete. (7.184s)"