these 5 derivations will be built:
  /nix/store/wfslcvkcgj2bf97zzbi0n298bs8c64rz-clan-runtime.drv
  /nix/store/pwq1n873165iq1n93zrs5kj354adld3a-clan-cli-source.drv
  /nix/store/k7ab3qfpd66vm42p9bjmlqmxvgxcy9lj-clan-cli.drv
  /nix/store/aj12b849m8dmkcmc7cmrlr9lf34wqxay-tofu.drv
  /nix/store/zbji4x1pfy3if5m1bb56w8kk2xahn6y1-cache-new.drv