this derivation will be built:
  /nix/store/q5n1cxzbs1i1bz5ppmlb5vanq1l04x4h-run-check-harness-psql-15.drv
these 2 paths will be fetched (23.0 KiB download, 91.1 KiB unpacked):
  /nix/store/i8nh8c62f9qki5dzcx198z74kiz05q09-postgres-15-check-harness
  /nix/store/63xx1w84r8vj74j4pv5h6hdhgd42jzg5-start-postgres-server-test