these 3 derivations will be built:
  /nix/store/9qdby0hdaphxwzanlxfan49qmlx8zgzf-etc.drv
  /nix/store/dfaibzsj7gg6x57l0sjk6bp8v6kr9aqx-activate.drv
  /nix/store/64mc6p5awibywzsrid0iiy9hmw7nwyz9-nixos-system-tau-26.11.20260708.332783a.drv
building '/nix/store/9qdby0hdaphxwzanlxfan49qmlx8zgzf-etc.drv'
building '/nix/store/dfaibzsj7gg6x57l0sjk6bp8v6kr9aqx-activate.drv'
building '/nix/store/64mc6p5awibywzsrid0iiy9hmw7nwyz9-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