these 10 derivations will be built:
  /nix/store/vhgjl2phrmr2z1whdszz2aaxqzhx7py2-system-units.drv
  /nix/store/w41ak3zxcwgprkwd0clnm5g5dizqb2gl-etc.drv
  /nix/store/hmm2qhz4ss9z5g9vdvg2lqqiil8206i1-activate.drv
  /nix/store/b553yyjmgk7p76nnpv41p0nhkmy4c2g6-nixos-system-machine-test.drv
  /nix/store/vkhglhddrb428pirbq4jm32y9v5f09fw-closure-info.drv
  /nix/store/z8zgrk4gf5vpxg6cbas142p7y60ldnlv-run-nixos-vm.drv
  /nix/store/l2bfgx6zvq3gvvbpv5qwk3g2cwh40wqp-nixos-vm.drv
  /nix/store/ykskrszybiycmmcb4axkzi6m7vcsi1rh-driverConfiguration.json.drv
  /nix/store/i4i9vwdrm7ahs664h3fq2jsia50lvw9r-nixos-test-driver-systemd-timesyncd.drv
  /nix/store/qhxxlaidqh82161n8qgvibp3b3bgdgih-vm-test-run-systemd-timesyncd.drv