these 5 derivations will be built:
  /nix/store/1n4sd96xfs8ma94fvlcjawf6pxmnrfzj-closure-info.drv
  /nix/store/y4n8i8315fwzqnbv75xgnz8g0vcnkxyc-clan-runtime.drv
  /nix/store/iqsifmyp2yf5dx76mawcirf9b61kzjyj-clan-cli-source.drv
  /nix/store/dlalg3zr901afqr27c80kr7xv2bzigwh-clan-cli.drv
  /nix/store/irjykxrfxpg2bn91p0d2q5apqa7h8wg4-check-vars.drv