these 13 derivations will be built:
  /nix/store/fl4wwj6zwy7bihihaa3gckgsn0mz2jln-unit-fast-nix-optimise.service.drv
  /nix/store/h5wl0kc85c3ba9d0ji0cfv8w8yjr829r-unit-fast-nix-gc.service.drv
  /nix/store/3815aciv0rq23as6qr8j2pwnhnnhi4qz-system-units.drv
  /nix/store/ilhdkmlp66k7nrhhkhx9h05ak5sya3l5-etc.drv
  /nix/store/j5kdbhn7p572g6w4k6phnl5b0svndbs5-activate.drv
  /nix/store/7fwc1ahk18ccyb1dxv5shzqp7ci0s067-nixos-system-machine-test.drv
  /nix/store/cy3nrmbrfl6zl2rbxjvsyaqqdw801l1a-closure-info.drv
  /nix/store/20v633fm7pr49r045d6pzqxlc2mdji8j-closure-info.drv
  /nix/store/s8hkd2lqz6y413gl8pq4k32cs6s472v2-run-nixos-vm.drv
  /nix/store/zkbxr7xn5qlgnbc6zsg1c5f84kxv0cji-nixos-vm.drv
  /nix/store/4zgdfqyi9z6d2nqx3f9ldjryj4caw2lg-driverConfiguration.json.drv
  /nix/store/szhps4d8znlaq36l8vkxx8mjdvaqssyr-nixos-test-driver-fast-nix-gc.drv
  /nix/store/cx89dy76a3z6lwsadhvww6rbs8snnv1v-vm-test-run-fast-nix-gc.drv