these 20 derivations will be built:
  /nix/store/p42d2agy9r8l9gs94ra4pyy06krab2w9-nix.conf.drv
  /nix/store/lc2y4cn6k1pc5w2csvbd0h2a49w26v2b-X-Restart-Triggers-nix-daemon.drv
  /nix/store/bp3zxfganbp2v31z77avi5nfqx5cmbz8-unit-nix-daemon.service.drv
  /nix/store/qq2h6ypj1aa5zmifm7g7n6mq1ka509nb-unit-blocking-build.service.drv
  /nix/store/h24pfb07vnl9l3hqd6dl5815y9npj3ai-system-path.drv
  /nix/store/fm308m0vvksjy9w81v8z592qlwnx36xy-dbus-1.drv
  /nix/store/xjbd24lk99rnffbps0v3msp70kvk6730-X-Restart-Triggers-dbus-broker.drv
  /nix/store/y8bwr4082ca5jb6l9pz64kf7bbcxrfyx-unit-dbus-broker.service.drv
  /nix/store/1nki3yxbpff1d4zidlz0h0pg87air20r-system-units.drv
  /nix/store/bw5gv81f602ndg0jmgf8g2qnzi777rb1-unit-dbus-broker.service.drv
  /nix/store/mr91a8kbdhvqdgqgnsh3rxnjkhjax256-user-units.drv
  /nix/store/2hlpf4drr7dg1nywf67bp0kz8nihwzjr-etc.drv
  /nix/store/4lmphqah6cv07lfkyn0rn2k9bgxjp7i7-activate.drv
  /nix/store/lz1fgady7cczqfkhs52ha9j4x5m3y7cl-nixos-system-server-test.drv
  /nix/store/xiaj1rx4zglb179czw6pyafxm3kjhvmn-closure-info.drv
  /nix/store/hij6c7rymcsrkzj6369xjvmrdamqbmwv-run-nixos-vm.drv
  /nix/store/406wpaas3nfpdg6c6hk65mvnlgzalscn-nixos-vm.drv
  /nix/store/5g89b6cpj6nd4bf1pd3xn8dr8gc254as-driverConfiguration.json.drv
  /nix/store/ynghmj816h9pnyndqi797msc22sz2364-nixos-test-driver-builder.drv
  /nix/store/p5v04byv0djj6f1bq5jj9gyl42f03gw1-vm-test-run-builder.drv