this derivation will be built:
  /nix/store/w7kc42151iklw74pqj2q3fv207nmk7rz-flake-inputs.drv
building '/nix/store/w7kc42151iklw74pqj2q3fv207nmk7rz-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-29T19:41:38.442Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-29T19:41:38.836Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T19:41:39.190Z level=INFO msg="Upload complete. (859ms)"