these 3 derivations will be built:
  /nix/store/g2ipy9v7f25s3qcq2d9a5i3dla6s881z-etc.drv
  /nix/store/r2vyap2v04bgk1vix5dj9sa9gp22xpzs-activate.drv
  /nix/store/7rv3m7fv9inb89zqy2s7xycyilhya2i9-nixos-system-tau-26.11.20260708.332783a.drv
building '/nix/store/g2ipy9v7f25s3qcq2d9a5i3dla6s881z-etc.drv'
building '/nix/store/r2vyap2v04bgk1vix5dj9sa9gp22xpzs-activate.drv'
building '/nix/store/7rv3m7fv9inb89zqy2s7xycyilhya2i9-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