this derivation will be built:
  /nix/store/rvln1lk7l3zc707vv5cmf6wkplx92bhf-flake-inputs.drv
building '/nix/store/rvln1lk7l3zc707vv5cmf6wkplx92bhf-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-29T21:21:31.352Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-29T21:21:31.761Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T21:21:32.209Z level=INFO msg="Upload complete. (977ms)"