this derivation will be built:
  /nix/store/q6lgymw3a8mi7frjbnwndfq3x0g7x1w9-flake-inputs.drv
building '/nix/store/q6lgymw3a8mi7frjbnwndfq3x0g7x1w9-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-31T19:32:21.521Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-31T19:32:21.959Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T19:32:22.442Z level=INFO msg="Upload complete. (1.18s)"