these 4 derivations will be built:
  /nix/store/nc8wz6x6586lhdidzczxwrr4jzl7gcyj-clan-runtime.drv
  /nix/store/6fjg53liwnpsh27h95bqbmsyjcs9ljbw-clan-cli-source.drv
  /nix/store/szyw9ixj0z7ahqrz9g2n1j3w64dr47mn-clan-cli.drv
  /nix/store/cirb3an0xgdis6kqfm806b04byd459d6-nix-shell.drv