this derivation will be built:
  /nix/store/nagkdqsc3fp78yhk2fnab7lymcaw1rkc-vm-test-run-plpgsql_check.drv
these 9 paths will be fetched (107.5 KiB download, 650.6 KiB unpacked):
  /nix/store/qrka926bwdlyifj09gysqc33qn6hf73c-closure-info
  /nix/store/089i3n4gribycphyhim5v3n4d8gx0rwg-etc
  /nix/store/2m4s2hfxk6vxg039hkqcpa6z1bffhf3b-nixos-system-server-test
  /nix/store/c3ryd7aarmz3vr16ai0r2ix6a1knd04i-nixos-system-server-test
  /nix/store/1zciiwavhq2aafm70lfzyy9vmjdbbj2m-nixos-test-driver-plpgsql_check
  /nix/store/630ajr8zh4n28adnryyvzxhy50qbwcjq-nixos-vm
  /nix/store/89vzs6q6rylcyihmqnb7a0px8w9bgyjk-run-nixos-vm
  /nix/store/9c3gr2z75cfanq0fp3dybpiy2xrpn4zk-system-units
  /nix/store/jdfzp8pc5qd35vs1mxcrqhj2pahdggjy-unit-postgresql.service