these 4 derivations will be built:
  /nix/store/j2bh7lh47bxaii8my3za94b7hl2x6p5j-clan-runtime.drv
  /nix/store/4d4qh7xp2pckk7h8x2q0hazrcndj98qi-clan-cli-source.drv
  /nix/store/7vcd6ygnig4yn06p7qbhy5qnykyq5qq9-clan-cli.drv
  /nix/store/7sz3smfams9mpq7608m9dqxych8f7nc8-nix-shell.drv