these 3 derivations will be built:
  /nix/store/f9vspkb912x4l71krcg0ikbg5zn8knl5-etc.drv
  /nix/store/4xm5qq8zaa44pd7kcxfpm35scbfjmgmb-activate.drv
  /nix/store/jca0x3h02q15kahvfg7j9qyipngmz41w-nixos-system-tau-26.11.20260708.332783a.drv
building '/nix/store/f9vspkb912x4l71krcg0ikbg5zn8knl5-etc.drv'
building '/nix/store/4xm5qq8zaa44pd7kcxfpm35scbfjmgmb-activate.drv'
building '/nix/store/jca0x3h02q15kahvfg7j9qyipngmz41w-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