these 11 derivations will be built:
  /nix/store/62m5lcng17fq77av61iirl6ambsp2m35-unit-echo.service.drv
  /nix/store/38rkhzsj6nbd92h5crq2zj3sz20gsk42-system-units.drv
  /nix/store/g9381isfca0smyic8xb77vqc4vvf63x7-etc.drv
  /nix/store/dfkv1m1fz598c1701xhcnf4cq7a0npxv-activate.drv
  /nix/store/kvah9w96ymwkkhfckbwrr5aqxzh0vx2w-nixos-system-machine-test.drv
  /nix/store/yvwzc0m78i583ck0p2fc7a57jhd6kvmy-closure-info.drv
  /nix/store/49zs01yf6x8hqq37an848ibw9qkq8rd5-run-nixos-vm.drv
  /nix/store/x9kyjx5lddpq71kbbvnlydcy0x2jw0p0-nixos-vm.drv
  /nix/store/fy0dypqrfrn6619p6d6djx1qc3163p4l-driverConfiguration.json.drv
  /nix/store/0n8fwsfr093wpjrz6cvfrsxhv39mbjk9-nixos-test-driver-systemd-escaping.drv
  /nix/store/872brv05d9p2gq503575kxc9mzkjacjb-vm-test-run-systemd-escaping.drv