these 3 derivations will be built:
  /nix/store/68g43va08ab86cx99mpilyrgixw5hw59-clan-cli-source.drv
  /nix/store/zkmp0mgkgvbsqkmkm1h7ydshkf00m78h-clan-cli.drv
  /nix/store/kqwxszc6kzk795agxc4ayylm6dl56fyf-check-devshell-not-depends-on-clan-cli.drv