this derivation will be built:
  /nix/store/9gk7q2nrwqch0rp84r3x28r1q5bf88qc-flake-inputs.drv
building '/nix/store/9gk7q2nrwqch0rp84r3x28r1q5bf88qc-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-27T06:46:55.949Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-27T06:46:56.310Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-27T06:46:56.806Z level=INFO msg="Upload complete. (980ms)"