these 2 derivations will be built:
  /nix/store/4c26ppk5zbdpbd1nhgynn7zmaml7mvpj-postgres-15-check-harness.drv
  /nix/store/b9mzzj00yb851avzglv2wj5xjh1h0f9b-run-check-harness-psql-15.drv
this path will be fetched (18.5 KiB download, 74.9 KiB unpacked):
  /nix/store/w26a1a1vhxhgpsqamimgllpwds88cj3b-start-postgres-server-test