these 6 derivations will be built:
  /nix/store/i50nrfrdf9pa5f35771x9l5kpxs60ay5-nixos-system-server-test.drv
  /nix/store/pv7cpghqfm2qqcaj2ga8kvnc94cn9pc3-closure-info.drv
  /nix/store/50jfa0b9mbknvg0gy4bjsmm21d76h5p7-run-nixos-vm.drv
  /nix/store/dghgxgf2p2rx7x1jmnbsz7hbzclbxh71-nixos-vm.drv
  /nix/store/dmwdrg2v2l43qdbcvnglcbd74pjrprx7-nixos-test-driver-index_advisor.drv
  /nix/store/5h8lmdh6dpyn3ha4csw8vjgy49an5qzv-vm-test-run-index_advisor.drv
this path will be fetched (2.1 KiB download, 5.2 KiB unpacked):
  /nix/store/0wmssqrp9mq1lin2wd1kv9cjig0jj8x9-activate