these 5 derivations will be built:
  /nix/store/1gl03n3ry8qf45w48ipy1d7rjal6yfpd-source.drv
  /nix/store/y2dnwvpi5mxpiqzkkbwcm8k2gh6j7kkg-clauth-0.18.1-vendor-staging.drv
  /nix/store/kj93qiqg9a9vscrq0pv655c1qggdpa35-clauth-0.18.1-vendor.drv
  /nix/store/7629bbhzn4nd2kblwc0lh8vn1spgnlmb-clauth-0.18.1.drv
  /nix/store/rna8vfy8arjwzxb17wnsm1qhhcw2bwv6-check-clauth.drv