these 3 derivations will be built:
  /nix/store/lgrl6kz0iz2p2rqbj59whkrr5jhjxsgq-etc.drv
  /nix/store/srfqx4y6xwyiwxjn4w6qg01lkhb5l5i3-activate.drv
  /nix/store/0ffz2p865c8xjz09xzqwvzazrnc8zmlw-nixos-system-tau-26.11.20260708.332783a.drv
building '/nix/store/lgrl6kz0iz2p2rqbj59whkrr5jhjxsgq-etc.drv'
building '/nix/store/srfqx4y6xwyiwxjn4w6qg01lkhb5l5i3-activate.drv'
building '/nix/store/0ffz2p865c8xjz09xzqwvzazrnc8zmlw-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