this derivation will be built:
  /nix/store/dzqacnp1irjrxgrpids8329mkr57l83s-nixos-system-francois-25.11.20260320.812b398.drv
building '/nix/store/dzqacnp1irjrxgrpids8329mkr57l83s-nixos-system-francois-25.11.20260320.812b398.drv'

post-build step Upload to niks3: ok
time=2026-08-01T19:04:30.463+02:00 level=INFO msg="Uploading 1 paths to cache.zakku.eu (933 already cached)"
time=2026-08-01T19:04:30.463+02:00 level=INFO msg="Uploading gxxgyf890gacjr1lghlc26p0cyii2n9m-nixos-system-francois-25.11.20260320.812b398 (196.3KB)"
time=2026-08-01T19:04:30.890+02:00 level=INFO msg="Uploading 1 narinfos"
time=2026-08-01T19:04:31.078+02:00 level=INFO msg="Upload complete. (1.994s)"