these 4 derivations will be built:
  /nix/store/vynxbm2chjmk77zirg6wglivfdnx6nmf-clan-runtime.drv
  /nix/store/jbycc4qq08mfgqmp4z2ca4hzkk42a7xz-clan-cli-source.drv
  /nix/store/ynpgg5as53ihfjalx5js1x1kkxvf2z1y-clan-cli.drv
  /nix/store/fx94ig5n5s87yaw8igxqlkp1m9q9d0ln-nix-shell.drv