these 4 derivations will be built:
  /nix/store/af9cim9nll895g2hvnlz2rbgz0m77sxw-clan-runtime.drv
  /nix/store/bq981v7gwnm8zb7477max31r54sd5s3m-clan-cli-source.drv
  /nix/store/id5r90kc2k20wc9i984wcsvn8n5y0xsf-clan-cli.drv
  /nix/store/27h55zm18gcwjwdzhdd8a37ilwb8qf3x-nix-shell.drv