these 4 derivations will be built:
  /nix/store/by06p4h2z5aghwka7clnp9n02y6mczq8-clan-cli-source.drv
  /nix/store/i67wfb2dfrfrxp3515vq2vlj02jn1fhz-clan-cli.drv
  /nix/store/b5ji4qxd5axqdcfc238ix7nnh31s4w2l-tofu.drv
  /nix/store/bxj3hhwsgxncjfni8492g4pv832i24qv-dns.drv