this derivation will be built:
  /nix/store/sz38rmkvk6pnbfy25nd4x8b10k1ydjcc-spaces-integrations-i18n-parity-test.drv
building '/nix/store/sz38rmkvk6pnbfy25nd4x8b10k1ydjcc-spaces-integrations-i18n-parity-test.drv'
spaces-integrations-i18n-parity-test> the 10 locales beside en.json carry its 49 keys

post-build step Upload to niks3: ok
time=2026-09-02T13:03:03.288Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-02T13:03:04.485Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-02T13:03:04.833Z level=INFO msg="Upload complete. (1.581s)"