these 4 derivations will be built:
  /nix/store/8wqdywbrkxjygmwykyp3yxp92nnh1q02-clan-cli-source.drv
  /nix/store/4cw75ahxbgi2b17l4x0ssf7rzy308q67-clan-cli.drv
  /nix/store/i4sl40bnm1dw6n9jg5pk1gh8lw3zczwc-closure-info.drv
  /nix/store/igllik5cz1dgizpv4r6ifllsp6bz7dvd-check-vars.drv