these 6 derivations will be built:
  /nix/store/3hrx738036x9y4khcf36mkfydfcqh9fi-offline-flake-for-test-clan-test-iso.drv
  /nix/store/2k8f5zawrwndpysgaa9wxa4im02w3gja-closure-info.drv
  /nix/store/ibkfkw0ssv5qaarn6n9l01p7845ckxpd-clan-cli-source.drv
  /nix/store/902l3mjx7ksihnj3hj04vjp4qlgp69fc-clan-cli.drv
  /nix/store/zhfgynlxdwrl8xq4nzdfr4hq88yj6vmx-nixos-test-driver-clan-test-iso.drv
  /nix/store/dgqsrz8jy6d240p1fnniqy7708sdl4yv-container-test-run-clan-test-iso.drv