this derivation will be built:
  /nix/store/zp2qic8yjydx3y9fv2jgvmbx7rw3ands-vm-test-run-pgmq-drop-queue-overload.drv
these 9 paths will be fetched (79.9 KiB download, 459.9 KiB unpacked):
  /nix/store/pdvz76dlrdd8yihm5ba8ppca7nvkfyxg-closure-info
  /nix/store/abk3zvkcgn1h1ri0ib4qp4n2ssmx0gwk-etc
  /nix/store/n624vy8z0vljx6mmv2dinsk2vm2p893k-nixos-system-server-test
  /nix/store/xy7wn2v50lz5glbbqpxp9y6125k02hn1-nixos-test-driver-pgmq-drop-queue-overload
  /nix/store/q81mrpblv9jy6lvwnrhjks5lcaq7xn4c-nixos-vm
  /nix/store/17lll86gxqk6i0ssxdazmgsfxif6fgqn-postgresql-init
  /nix/store/ckqjqjdhvljq7bnlvpgjxjkz1r9w3hba-run-nixos-vm
  /nix/store/3d6c09y3h1ppf5qm5xzg2d579l7bhknd-system-units
  /nix/store/fp86iv94g0ym67q48yf7z1y0v3fsxy2p-unit-postgresql.service