these 4 derivations will be built:
  /nix/store/02px87vh9lp5g0ndi2n04kmqc9d7zfd7-clan-runtime.drv
  /nix/store/89cbpa9f11c816df5sq9ry1avdm56nyf-clan-cli-source.drv
  /nix/store/xw9vw6v9bb55n982xylrxqyhn26falpc-clan-cli.drv
  /nix/store/i5nilhv6fmnaic4vm7wkr2jbmhh6mbf9-nix-shell.drv