these 3 derivations will be built:
  /nix/store/xffyd2klfbm2zz6sflscq5l1m5c44v7l-etc.drv
  /nix/store/fyrmqzc79bvz342ibmw070gimcwi0g78-activate.drv
  /nix/store/ahxq3x9yc1iz4577inwm3sbk0v0545hy-nixos-system-tau-26.11.20260708.332783a.drv
building '/nix/store/xffyd2klfbm2zz6sflscq5l1m5c44v7l-etc.drv'
building '/nix/store/fyrmqzc79bvz342ibmw070gimcwi0g78-activate.drv'
building '/nix/store/ahxq3x9yc1iz4577inwm3sbk0v0545hy-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