these 20 derivations will be built:
  /nix/store/bkmqc9akrfg6f4g0bmcrz093185zjn3f-flakelet-config.json.drv
  /nix/store/nky6zx9ma5f94c1afggp6jnfr9yqbqcx-X-Restart-Triggers-flakelet-reconcile.drv
  /nix/store/vjhvfidlfma095ygcl1fzynfa8ixjshj-unit-flakelet-reconcile.service.drv
  /nix/store/0i2bslcfwimyj1p4db93yf3mwp5gq986-system-units.drv
  /nix/store/kcd9isz6agj5ihrb64wxi06659pp7jrg-system-units.drv
  /nix/store/pps4xqi5rd0xs15malhwd8hw0cvsfj0f-etc.drv
  /nix/store/j9wwl78rlmswfdh91ir8yncrlvv1z8lq-activate.drv
  /nix/store/sj5fih5dq7gw2bckk5ksxp7bidp8k2yh-nixos-system-a-test.drv
  /nix/store/fjflndqvbi5ipy0l403v6681q8camrcv-closure-info.drv
  /nix/store/bkkkj091h3fx7n6dazig0h7hxgysaxs6-run-nixos-vm.drv
  /nix/store/7gxqx83hh2868aqw3pbn760bpcwbxfpj-nixos-vm.drv
  /nix/store/5dbz83yjm0l2b5gyxg1s63gqql28g2mb-etc.drv
  /nix/store/sph92js5i4v9bb17l7bgxxipfy52pbsj-activate.drv
  /nix/store/mgbqpmgpcqlggb7xsgd67ghmhqxcgpn1-nixos-system-b-test.drv
  /nix/store/gckrnj5kpnpddc5x64262hvc3vcbajkb-closure-info.drv
  /nix/store/i1mwfcl908v5aa7p4nqiapginwjcc0jn-run-nixos-vm.drv
  /nix/store/b4lnarbibxisbh4z0xfrpfhgs6mnbbsy-nixos-vm.drv
  /nix/store/4ka0h09f7ldpny7h13ccw95naklczj0h-driverConfiguration.json.drv
  /nix/store/0imh07nhrvfvr60khj3grfwqx88l1mhy-nixos-test-driver-flakelet-transfer.drv
  /nix/store/nycbvi7s8mdr36m497paibp0a0vnwddy-vm-test-run-flakelet-transfer.drv