these 19 derivations will be built:
  /nix/store/ljyh2i7mfq6vl1bs3fm1wb2dbpscm8r1-unit-niks3.service.drv
  /nix/store/ic2kycikywfgd4s6gzmkv0facvq8s6qz-system-path.drv
  /nix/store/sa4pcvp0kn9cn4ixgk8m3731c8hx1fxb-dbus-1.drv
  /nix/store/y2lc4p4jz857q92z8a42ng6p6bgxm49s-X-Restart-Triggers-dbus-broker.drv
  /nix/store/mb41yjp9irg3b8rlc8ckpf1y5ais3nhc-unit-dbus-broker.service.drv
  /nix/store/yiciysq2n72s2h1s28r9g4dlr2y0b9l6-unit-niks3-gc.service.drv
  /nix/store/5hz4k36a90jf4n6ncs1kgw7rwb63w4m8-system-units.drv
  /nix/store/g9i6x8mkymd6ngmmpqcxvbf3x6m83q19-unit-dbus-broker.service.drv
  /nix/store/vz08dq10nvzjwy9jsp33p3jc6wwcf6sg-user-units.drv
  /nix/store/pn07m8dkzdk2fcx1bvpm0vkk0v63haa7-etc.drv
  /nix/store/v04jgmf508m6i5pxdbhknkhgrqkmixvk-activate.drv
  /nix/store/8dssd2i72q9gg0n957mgxg0df7rvzhvz-nixos-system-server-test.drv
  /nix/store/fclnpvhjjw2p2hbps3yz71m84gyv5s1n-test-script.drv
  /nix/store/dkqv3g03qn003wg83wvvxip87ri750gs-closure-info.drv
  /nix/store/f21dj6rhj9v6b4hc09v6fjb3jf354gas-run-nixos-vm.drv
  /nix/store/p44hy2jd21c0pijcy11z0c9rvzg5bmfg-nixos-vm.drv
  /nix/store/crr2j7i7mbk003pdi6v4w00vaymzlxrs-driverConfiguration.json.drv
  /nix/store/yg8rzsislhzk7ainh4868z5scmbwvmpw-nixos-test-driver-nixos-test-external-signer.drv
  /nix/store/q3dm54smrrsizm2rk48j7kp1aqwxvgjb-vm-test-run-nixos-test-external-signer.drv