this derivation will be built:
  /nix/store/2lafp8h7kmms3qfazl5i6vr9vzmiv55m-flake-inputs.drv
building '/nix/store/2lafp8h7kmms3qfazl5i6vr9vzmiv55m-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-26T18:47:35.025Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-26T18:47:35.671Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T18:47:36.034Z level=INFO msg="Upload complete. (1.142s)"