these 5 derivations will be built:
  /nix/store/1lrl2xg6jrh6c546kxv45dygdhlyw1cz-clan-runtime.drv
  /nix/store/rprb6k4z2haiq5a2xcmk5khknwn5xbz5-clan-cli-source.drv
  /nix/store/8bh59ij4z1qck2yl6y39k51vjr98i7p1-clan-cli.drv
  /nix/store/kdfmfnghz72xv39qjpdradindvqrkk98-closure-info.drv
  /nix/store/7dgbb2kdbs2ya9zl0vyf7y75pxax3565-check-vars.drv