these 7 derivations will be built:
  /nix/store/fk894n5qh922vlfvmfpxl0slrki2lksc-unit-postgresql-setup.service.drv
  /nix/store/b2ylbd9hv1r2c1l38mf4n1mxkdpzb3dx-system-units.drv
  /nix/store/xdvdpd3ybm4142zpn5qb9cd9nxc76af8-etc.drv
  /nix/store/h7jxadnwgim8w8v4g4z4yb2zzhw296wn-nixos-system-server-test.drv
  /nix/store/yii2y4r4gnwdzba33gmyfvwzc82aqqvs-nixos-system-server-test.drv
  /nix/store/1g9cnix55vhzkjwsvjbvyxbi695j3jpa-nixos-test-driver-pg_graphql.drv
  /nix/store/9jjc7avr4k5as6svgnsng2wn6jlarf1b-vm-test-run-pg_graphql.drv
these 9 paths will be fetched (80.9 KiB download, 506.8 KiB unpacked):
  /nix/store/9hgvsysnnpqk8gssdk98w222glhp695m-activate
  /nix/store/jmlm5kq0jd03c53wpb9npd84izjxcngd-closure-info
  /nix/store/9s4kcyxzxj4qwjlgydg69di55jqjahrf-etc
  /nix/store/3qvgbr0mdkgi93jifxbw2wllpi80400q-nixos-system-server-test
  /nix/store/r4ngssjrkpcr5mx4aj05d70wdpkz1jc8-nixos-system-server-test
  /nix/store/gvd14k705flv88fkxwj5hwdwvzrjqn39-nixos-vm
  /nix/store/yhc9zp6xwzj5i5v6bssz96bmzvxfrxfx-run-nixos-vm
  /nix/store/sqc4xqghyk3x1cvby11razb0dwwfv0zq-system-units
  /nix/store/a79anzxczlzalddr62ihhlmyhcylrgm6-unit-postgresql-setup.service