these 3 derivations will be built:
  /nix/store/75g5c56jsc1s02ns5hsfqn9956imw4s3-unionvisor-deps-0.0.0.drv
  /nix/store/qf7m7y60r10565dp7piihahvvycmzh83-unionvisor-0.0.0.drv
  /nix/store/pnr8j9w4minf2jrjlw5nbcri2vbci7rj-union-bundle-union-testnet-10.drv