this derivation will be built:
  /nix/store/4fdgbq0iys64wrqh2ji1h57yyhg0wpdr-flake-inputs.drv
building '/nix/store/4fdgbq0iys64wrqh2ji1h57yyhg0wpdr-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-31T21:14:00.083Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-31T21:14:00.569Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T21:14:00.889Z level=INFO msg="Upload complete. (940ms)"