these 2 derivations will be built:
  /nix/store/qnrn5ac5yjn0l0s8j9zl67b29nv5p4fh-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/bj0wlq9adlmyblqmymkw7mvbskga3dfb-vm-test-run-wrappers-regression-PSQL-1387.drv