these 6 derivations will be built:
  /nix/store/4bwhgnwhgd6y1mx2n647dzgc5vjs9n3a-offline-flake-for-test-clan-test-iso.drv
  /nix/store/n6lqqkkm67rg02w44f8iids7vjc7z1c4-clan-cli-source.drv
  /nix/store/9xmz12pxbnd07c83gsw1nmqk5qz82xnk-clan-cli.drv
  /nix/store/fzrmd1076ambpm9169a3aii7zb17fgwg-closure-info.drv
  /nix/store/yx89cv5wpwhhiy6k8hpd18x3p5askhqw-nixos-test-driver-clan-test-iso.drv
  /nix/store/ck8dw544kbi8jwfhnf107913p7hyh6y4-container-test-run-clan-test-iso.drv