these 4 derivations will be built:
  /nix/store/ipm7bassphq94ssw4gx1n7xiff5mxjz5-clan-runtime.drv
  /nix/store/zi6lppkkr3n3m716ffvlbgpl26indada-clan-cli-source.drv
  /nix/store/v9bwx8n88ymcmxx82wb8vpr4icwv1hcm-clan-cli.drv
  /nix/store/kin28qd2d2rpnm6mm5654lga2pd7spay-nix-shell.drv