this derivation will be built:
  /nix/store/mvm4w2zld03k49v81nzqdf3a35yv3g0g-flake-inputs.drv
building '/nix/store/mvm4w2zld03k49v81nzqdf3a35yv3g0g-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-31T04:22:36.598Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-31T04:22:36.959Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T04:22:37.449Z level=INFO msg="Upload complete. (959ms)"