this derivation will be built:
  /nix/store/9x0zbi6y1hm1g7hc4fxv0fvvncbqngrp-flake-inputs.drv
building '/nix/store/9x0zbi6y1hm1g7hc4fxv0fvvncbqngrp-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-26T18:50:14.528Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-26T18:50:15.018Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T18:50:15.508Z level=INFO msg="Upload complete. (1.098s)"