these 4 derivations will be built:
  /nix/store/dic5wj9ndr1ir5rq7bmwsv0nmdkwn3z3-system-units.drv
  /nix/store/xzwmwb2s1xz5m4n6m6c8r5s4q2fnxknb-etc.drv
  /nix/store/avcnjmbfdxhxd1j58jd01v3jbcbf82lv-activate.drv
  /nix/store/11m4g3n1k3fdzdq3xwcwc0s2k8fxsspj-nixos-system-tau-26.11.20260708.332783a.drv
building '/nix/store/dic5wj9ndr1ir5rq7bmwsv0nmdkwn3z3-system-units.drv'
building '/nix/store/xzwmwb2s1xz5m4n6m6c8r5s4q2fnxknb-etc.drv'
building '/nix/store/avcnjmbfdxhxd1j58jd01v3jbcbf82lv-activate.drv'
building '/nix/store/11m4g3n1k3fdzdq3xwcwc0s2k8fxsspj-nixos-system-tau-26.11.20260708.332783a.drv'
nixos-system-tau-26.11.20260708.332783a> structuredAttrs is enabled

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