these 4 derivations will be built:
  /nix/store/7b4zxawmsajvim3n5mcn89xf24r2dhxy-clan-runtime.drv
  /nix/store/7kain8d3jpz6af105fd4x2pihlx0bxg8-clan-cli-source.drv
  /nix/store/9vpbn5x1j22c51rg6kdl9rid6lwvw4i0-clan-cli.drv
  /nix/store/zza82xpbijw3vq30gyz1y0qv08jmyaz7-nix-shell.drv