these 2 derivations will be built:
  /nix/store/ld56530hxaa6f5372i49n8qa6dj561py-postgres-15-check-harness.drv
  /nix/store/q8l254ydxnqbn20499bg7lr55rylarkw-run-check-harness-psql-15-slim.drv
this path will be fetched (18.5 KiB download, 74.9 KiB unpacked):
  /nix/store/cakhvkkrwmjn4aqkg47m5imbsns8wmqi-start-postgres-server-test