this derivation will be built:
  /nix/store/wz5sfjrq6ygb2plhvkvgcb1fvrwr64vk-spaces-integrations-i18n-parity-test.drv
building '/nix/store/wz5sfjrq6ygb2plhvkvgcb1fvrwr64vk-spaces-integrations-i18n-parity-test.drv'
spaces-integrations-i18n-parity-test> the 10 locales beside en.json carry its 52 keys

post-build step Upload to niks3: ok
time=2026-09-15T04:30:41.805Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-15T04:30:42.449Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-15T04:30:42.742Z level=INFO msg="Upload complete. (959ms)"