these 4 derivations will be built:
  /nix/store/c0dxzwsq33298pcf868d0gmdz6x45k68-clan-cli-source.drv
  /nix/store/d1bx5bv7kd2a404ghdm01969ma3byyni-clan-cli.drv
  /nix/store/sxbfx9jkdx9in2r3arh7ijjwjyc8pkvj-tofu.drv
  /nix/store/8x47wikhc58fh123xxk1p8qcbhczkd75-cache-new.drv