these 5 derivations will be built:
  /nix/store/jsllvakizp2c8kyhld5gbsbw65bn7j1v-clan-runtime.drv
  /nix/store/3isqiis5pkrirjvxa7qv04b3046l78ms-clan-cli-source.drv
  /nix/store/qva7wi2zyfcwxf1d3abxc2zwz4vfpcm7-clan-cli.drv
  /nix/store/22c676bnvfh86zrgc2pahnrd8yhnm2v1-tofu.drv
  /nix/store/qa5ayrx2prfvmg2yr9db9v74wr4vspf1-cache-new.drv