these 4 derivations will be built:
  /nix/store/qxnqn4pb65dmnzr1flg44bq8kcm8r7p1-clan-cli-source.drv
  /nix/store/12limfi9r5havh4q62q0665n4kqnyz3p-clan-cli.drv
  /nix/store/pziyc6nmz01v547qqni5fq3px1pzgh66-tofu.drv
  /nix/store/rpjk6z8q1k4vignj5jjqz7z3rp3fcw98-dns.drv