these 2 derivations will be built:
  /nix/store/vbqhvgggi851k0a3rjlj2hkp9f4ads2z-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/hgii2dwvjnldpi61qmjxwqwlbpqxzxaz-vm-test-run-wrappers-regression-PSQL-1387.drv