these 2 derivations will be built:
  /nix/store/8c6xvnnrjhvdhhsvb6w2af2y79qqkdb9-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/zgdlpn6nd8i8pcjq8arng92qxc7bxrcf-vm-test-run-wrappers-regression-PSQL-1387.drv