these 3 derivations will be built:
  /nix/store/rrv2nh5gf1lnykjqh1pbmnp2mqbpbada-driverConfiguration.json.drv
  /nix/store/z472zxb93c18c95r3ikw964qaf3vnzgl-nixos-test-driver-tribuchet-builds.drv
  /nix/store/6wq99fa7abhrn1bgpk2c9v8pf9dyf0c3-vm-test-run-tribuchet-builds.drv