these 4 derivations will be built:
  /nix/store/llw178gjkly5hygj66n0zndfjn2xdxgk-etc-nix-registry.json.drv
  /nix/store/p7g8f75w80z0rr4dd4j8fsn86xrcyrpl-etc.drv
  /nix/store/23x84xp63cbsg7g7rpz3rk52himxgm19-activate.drv
  /nix/store/vl9262gfd2d6hia6i18l67cg4a3yppb5-nixos-system-tau-26.05.20260704.a50de1b.drv
building '/nix/store/p7g8f75w80z0rr4dd4j8fsn86xrcyrpl-etc.drv'
building '/nix/store/23x84xp63cbsg7g7rpz3rk52himxgm19-activate.drv'
building '/nix/store/vl9262gfd2d6hia6i18l67cg4a3yppb5-nixos-system-tau-26.05.20260704.a50de1b.drv'
nixos-system-tau-26.05.20260704.a50de1b> structuredAttrs is enabled

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