these 4 derivations will be built:
  /nix/store/nifpczjz9b0y3rs4gxwdch1d8kfpx9ji-clan-runtime.drv
  /nix/store/1linj7gfzw3ly7gkhzb71r06vallx40z-clan-cli-source.drv
  /nix/store/pyp0n6fn980k52w9vmzsk5mhxq43xf2q-clan-cli.drv
  /nix/store/fyl386b40c2zhv1dn0dnm5jigry0a6im-nix-shell.drv