this derivation will be built:
  /nix/store/67qjn6hfkaiax29c562mlgg401w538ch-flake-inputs.drv
building '/nix/store/67qjn6hfkaiax29c562mlgg401w538ch-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-31T21:19:27.633Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-31T21:19:28.038Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T21:19:28.428Z level=INFO msg="Upload complete. (933ms)"