this derivation will be built:
  /nix/store/zn4kilh6javpk0ggvdd454m68k8wc15j-flake-inputs.drv
building '/nix/store/zn4kilh6javpk0ggvdd454m68k8wc15j-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-29T14:01:20.084Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-29T14:01:20.467Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T14:01:20.769Z level=INFO msg="Upload complete. (810ms)"