these 3 derivations will be built:
  /nix/store/5g3c0xg62vxxqp2mi0l61zj05nmyy8d1-etc.drv
  /nix/store/nvbvbk4a7sh97n0ikifyi9xl69pv2a87-activate.drv
  /nix/store/m12v63vq8y2rf2nxj8wmhalcrdicqxk7-nixos-system-tau-26.11.20260708.332783a.drv
building '/nix/store/5g3c0xg62vxxqp2mi0l61zj05nmyy8d1-etc.drv'
building '/nix/store/nvbvbk4a7sh97n0ikifyi9xl69pv2a87-activate.drv'
building '/nix/store/m12v63vq8y2rf2nxj8wmhalcrdicqxk7-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