these 9 derivations will be built:
  /nix/store/ypx9qvsrgfj8dlzvrk80c6i9kq4fclfj-system-units.drv
  /nix/store/iri0kc0c5d1g3xdd3cvhwb83mqicy9db-etc.drv
  /nix/store/q4l42pg7pz80krdjx4rg7x8362i77fcb-activate.drv
  /nix/store/zl0ks4xzbacnfqavfxgfnyljvf46hryi-nixos-system-server-test.drv
  /nix/store/lbp2p8f2021d9yqfhi7kp1fxqyzkrrxh-closure-info.drv
  /nix/store/1pslhgcxsg3djm3rxc1ncgrf0mx8kffd-run-nixos-vm.drv
  /nix/store/x6gnvzh289k0qdk1l7xdbqxb95hh3gyr-nixos-vm.drv
  /nix/store/5ggdg98yh1rrmj5spnkan4grz4ih1fw8-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/cm9z83hdh354k8svl8y2aah5bys1ax4j-vm-test-run-wrappers-regression-PSQL-1387.drv