these 2 derivations will be built:
  /nix/store/rh9dydw2p9zdswfv4fwg64ijddsfwbhk-rustfs-1.0.4.drv
  /nix/store/mj5hswid4bmivzw7iy49xvzqs92fkrb5-niks3-go-unit-tests.drv