these 4 derivations will be built:
  /nix/store/7kqibqzrram7c4c3zbsjx1rrvfwkq7qk-system-units.drv
  /nix/store/g9cch6sck3nj1qvii7x4yz6k8jxjnpz8-etc.drv
  /nix/store/7lszarccn8wsd640h1n9wp0ipywbw1p6-activate.drv
  /nix/store/hhva1whjyfrqk7balagpjfz3ws252chx-nixos-system-tau-26.11.20260707.b2ada18.drv
building '/nix/store/7kqibqzrram7c4c3zbsjx1rrvfwkq7qk-system-units.drv'
building '/nix/store/g9cch6sck3nj1qvii7x4yz6k8jxjnpz8-etc.drv'
building '/nix/store/7lszarccn8wsd640h1n9wp0ipywbw1p6-activate.drv'
building '/nix/store/hhva1whjyfrqk7balagpjfz3ws252chx-nixos-system-tau-26.11.20260707.b2ada18.drv'
nixos-system-tau-26.11.20260707.b2ada18> structuredAttrs is enabled

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