these 11 derivations will be built:
  /nix/store/hg3i30yh7ajgjqg4njjgizm98y39wpgx-unit-echo.service.drv
  /nix/store/hsvm3y9sv29v4nnqd4sdb7db5ir6zzfx-system-units.drv
  /nix/store/1yjnhkkds4v483wpjhmpn4yazkynfw4h-etc.drv
  /nix/store/mhgsizjrayvnvv1mc4g0frv9wycv52gz-activate.drv
  /nix/store/xnfvdvy9pi4a86xhi2d71aq8kxx8p98w-nixos-system-machine-test.drv
  /nix/store/l422p34bnvzbrkjjrjnwv7kvybxxmfkm-closure-info.drv
  /nix/store/zrxb2ylg3w1psn1wsw58w22pyaq2ljif-run-nixos-vm.drv
  /nix/store/qaljmf94kg9jlgx3jq1qh5bngpcvi9h0-nixos-vm.drv
  /nix/store/d6rp4imzgd9q6jz701p5wlkgdiza5bvr-driverConfiguration.json.drv
  /nix/store/w388f29ppr4ppf2wvcmnpapmjvzsp58i-nixos-test-driver-systemd-escaping.drv
  /nix/store/4gjkzpy8m8a28lks5w0jdm70akxfdi66-vm-test-run-systemd-escaping.drv