these 3 derivations will be built:
  /nix/store/sfqcqg1s0w9qsd3112s7a2zd6wh3hn6z-etc.drv
  /nix/store/vdpzjlqjfh6zdkkk81vm51adhk55qxmm-activate.drv
  /nix/store/fmndlm3l1izbixib3pj2fbd8nms2jv3n-nixos-system-tau-26.11.20260708.332783a.drv
building '/nix/store/sfqcqg1s0w9qsd3112s7a2zd6wh3hn6z-etc.drv'
building '/nix/store/vdpzjlqjfh6zdkkk81vm51adhk55qxmm-activate.drv'
building '/nix/store/fmndlm3l1izbixib3pj2fbd8nms2jv3n-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