these 5 derivations will be built:
  /nix/store/2pga83mshs7lf1lh83hfc9klr332hk10-clan-runtime.drv
  /nix/store/7xd91zqpv9s9md55m55bndfzn3phnbg4-clan-cli-source.drv
  /nix/store/ksffs2vybknamliq6504fbxkxz60sv57-clan-cli.drv
  /nix/store/7py3bmp3gppcliawfsmkv7vxlh5pgrgf-tofu.drv
  /nix/store/2n05l8dk9ynj25qc0chjr4cj8z56bz1j-cache-new.drv