these 3 derivations will be built:
  /nix/store/2b2c47r6vh4244a839lz2sv23724l89s-etc.drv
  /nix/store/2clyaf4vqxhq99zf8vgxk4abkmynz5v6-activate.drv
  /nix/store/gsg9mrqb826p6ppb9yvz9k8rszx9i83n-nixos-system-tau-26.11.20260708.332783a.drv
building '/nix/store/2b2c47r6vh4244a839lz2sv23724l89s-etc.drv'
building '/nix/store/2clyaf4vqxhq99zf8vgxk4abkmynz5v6-activate.drv'
building '/nix/store/gsg9mrqb826p6ppb9yvz9k8rszx9i83n-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