these 2 derivations will be built:
  /nix/store/4h7py6r22pk693agzpa722b683cbighv-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/38rfvn5ah322akm77r8m3wv9nsh37x6h-vm-test-run-wrappers-regression-PSQL-1387.drv