this derivation will be built:
  /nix/store/aqqjqi20sm0j1yqlbv49ckci2w5srcpn-flake-inputs.drv
building '/nix/store/aqqjqi20sm0j1yqlbv49ckci2w5srcpn-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-31T19:00:31.238Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-31T19:00:31.849Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T19:00:32.184Z level=INFO msg="Upload complete. (1.394s)"