this derivation will be built:
  /nix/store/3hwsjfzxdbn1krgi7nwfj7yj1kw69qrl-flake-inputs.drv
building '/nix/store/3hwsjfzxdbn1krgi7nwfj7yj1kw69qrl-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-29T21:16:03.994Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-29T21:16:04.371Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T21:16:04.684Z level=INFO msg="Upload complete. (801ms)"