these 4 derivations will be built:
  /nix/store/cqalnav1gwzgnq476b33kfrangdw90x2-clan-cli-source.drv
  /nix/store/259fyp8rnx7b67a45wshach1wkyky1ib-clan-cli.drv
  /nix/store/pq2h9cm416zrfzkjqs7p93b53hbzjwmd-tofu.drv
  /nix/store/lmz28iqza2039gs9zscw7d4ry3l0kpqx-cache-new.drv