these 4 derivations will be built:
  /nix/store/jp1gqh39l7v42cywnqx72n1nxsbxg7jz-clan-runtime.drv
  /nix/store/ibgzkkrvqdh0w9p2by9l5s1vnnw9xgar-clan-cli-source.drv
  /nix/store/rrl6r9ipzr82z1zfi5p5fn6vnxzqwyqz-clan-cli.drv
  /nix/store/9xavgkmp6ai09xx4z8jwl3g363qv7dqz-nix-shell.drv