these 18 derivations will be built:
  /nix/store/419ixqx3gcs60j0y41aygcynv4ly6fa2-unit-dbus-broker.service.drv
  /nix/store/vbwvcs5j2p5j300frh2wasvxf13zbk3q-system-units.drv
  /nix/store/94r872mkmmdkwjlmhcbm9xipigfhzka8-etc.drv
  /nix/store/8s41n761rajg92fby5wzpmnz215dj9l6-activate.drv
  /nix/store/2w4n9fgwhxbfvc644snnvnk7b5lda6wy-nixos-system-beta-test.drv
  /nix/store/cj5r6023a3r4fv8m0cachkmf9adgp7ld-system-units.drv
  /nix/store/a9pympcfniv0w06cdnfms0nma2c2i7bn-etc.drv
  /nix/store/2ynmh7x37f7lzh4s2dvkbr0d7bc2db86-activate.drv
  /nix/store/895zv5jal57jliixw6gsfr1x36dbhzfi-nixos-system-alpha-test.drv
  /nix/store/j187p376zq8b6915j36vqfdlrv0km1x8-closure-info.drv
  /nix/store/7ycrrssagv03spzcn62a4y6i3l0c2kaw-run-nixos-vm.drv
  /nix/store/85agxbyrprhm07nz19zwk64l6mxza0dm-nixos-vm.drv
  /nix/store/h9ww4kh74qhi2z7p82yid6kxkvrd5vg7-closure-info.drv
  /nix/store/93w7h2glgpl6a9qrjm6020y6vd5lwd5h-run-nixos-vm.drv
  /nix/store/ji4apl7fsq5cvivf8hw0gnxljz6398dm-nixos-vm.drv
  /nix/store/7cpwzbvmhcnd5brjx51114c5hcz2fsgc-driverConfiguration.json.drv
  /nix/store/5ysh2hczqj49nw41vxc0s72l4zninbpd-nixos-test-driver-tincd-systemd.drv
  /nix/store/w1si09mrm513vxl24ybgszv4858xjdjw-vm-test-run-tincd-systemd.drv