this derivation will be built:
  /nix/store/65z8y3pkpvs7bxqdlj24awp1diagfpkc-spaces-integrations-app-ndjson-socket-test.drv
building '/nix/store/65z8y3pkpvs7bxqdlj24awp1diagfpkc-spaces-integrations-app-ndjson-socket-test.drv'
spaces-integrations-app-ndjson-socket-test> OK

post-build step Upload to niks3: ok
time=2026-09-14T20:47:01.401Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-14T20:47:02.096Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-14T20:47:02.254Z level=INFO msg="Upload complete. (874ms)"