these 2 derivations will be built:
  /nix/store/dhs43zd3yn940s8d1y2rvgrn61a53q5r-postgres-15-check-harness.drv
  /nix/store/4pdxm7wqxh4dgm71iqkkrq005ypwdhgy-run-check-harness-psql-15.drv
this path will be fetched (18.5 KiB download, 74.9 KiB unpacked):
  /nix/store/2qacgzm0ihlzdf23bbzxb094gnn37g7a-start-postgres-server-test