these 2 derivations will be built:
  /nix/store/kcqpjk4mmpkdmw5gn8v0hw4q318p5rb2-nixos-test-driver-collation-refresh.drv
  /nix/store/m3b96x6hkvncqaw4kr1nfshsi56ciyyv-vm-test-run-collation-refresh.drv