these 5 derivations will be built:
  /nix/store/yh09cmbcypwy73iqbsq5hzkkksl6iq6q-clan-runtime.drv
  /nix/store/56a33mv5avxvf90rzpmdzcr8ch6yy6cs-clan-cli-source.drv
  /nix/store/2m401adivfakwwc5gwqnzsax92rznix2-clan-cli.drv
  /nix/store/nipz1kkh573b6qxkb280w5bppbi4321r-closure-info.drv
  /nix/store/vdslpxgz4gbbfym3rxrw7hacrgvn68y5-check-vars.drv