these 5 derivations will be built:
  /nix/store/k9hyl3wb5x24xr3x9imfy7l6dz0ijcqa-clan-runtime.drv
  /nix/store/ch8m6b8rf1ay5pnysl6cbd1r51gxclc9-clan-cli-source.drv
  /nix/store/1d0bb098cpc63vdklgd2bdzdrak0jkp3-clan-cli.drv
  /nix/store/gs7pmj8khavgicad78ms5f13zq1dlgsm-closure-info.drv
  /nix/store/638f3hck1n5kmypp263f88lbpxxs0qv3-check-vars.drv