these 5 derivations will be built:
  /nix/store/82z4j5x9j3drqzw0084dklq0bcky3jwa-clan-runtime.drv
  /nix/store/s7h5gak4vb7s7wbf2fwirjy77f85ywhn-clan-cli-source.drv
  /nix/store/cf9gr6b1lm2i7yqv621nkxrdwv72ywd6-clan-cli.drv
  /nix/store/krl92cbp029w1az39vdnamkw1pp8sjar-closure-info.drv
  /nix/store/yhf4dgqglfh5bcjk77d6rfi8sn6bdbj4-check-vars.drv