these 3 derivations will be built:
  /nix/store/g5cparpzjss2ncij54qgzan7cqac4yk0-clan-cli-source.drv
  /nix/store/cyvxnvyihdzbpx70yydczf140vby2srb-clan-cli.drv
  /nix/store/4wdn5nq7y609arllknfb71aixgbb3s5d-check-devshell-not-depends-on-clan-cli.drv