these 3 derivations will be built:
  /nix/store/ab4n4xjs4lwgpp6spsr460lvawwzfjvy-start-postgres-server-test.drv
  /nix/store/4bhgb4w915gkzlg8gg1i32lcxcbcbi2n-postgres-15-check-harness.drv
  /nix/store/qvh8cmqy83ksw602x0fxl9mvq1k7y7xl-run-check-harness-psql-15.drv