these 4 derivations will be built:
  /nix/store/zz2yqak271ki2bpbm0iry472gd2yb3d7-etc-nix-registry.json.drv
  /nix/store/c8pakz583pyyrzbwyji72ljaymxx36p3-etc.drv
  /nix/store/1ndqdp9fb7jh6wi5sxlbawdxacbdq2yb-activate.drv
  /nix/store/69byf1xdr4qqajls4pmzs6nxaa8g9p34-nixos-system-tau-26.05.20260704.a50de1b.drv
building '/nix/store/c8pakz583pyyrzbwyji72ljaymxx36p3-etc.drv'
building '/nix/store/1ndqdp9fb7jh6wi5sxlbawdxacbdq2yb-activate.drv'
building '/nix/store/69byf1xdr4qqajls4pmzs6nxaa8g9p34-nixos-system-tau-26.05.20260704.a50de1b.drv'
nixos-system-tau-26.05.20260704.a50de1b> structuredAttrs is enabled

post-build step Push selected repositories to niks3 cache: ok
Skipping niks3 push for SBEE-Lab/infra