these 4 derivations will be built:
  /nix/store/b2fb8s2fa3h9cmxjppqyqbmbvb9b4rdv-clan-cli-source.drv
  /nix/store/1hygq4797p00032xzc464n1zi4fwdfm0-clan-cli.drv
  /nix/store/ijbclx7jh4gn098pj25h3d0yl7bcdg79-closure-info.drv
  /nix/store/n8rqljg9nriggwpb6mgjl0fspwaih84a-check-vars.drv
error: path '/nix/store/i0i3rvlhi5pzad496fyb1kbb52bi0fyj-check-vars' is not valid
error: Cannot build '/nix/store/n8rqljg9nriggwpb6mgjl0fspwaih84a-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/i0i3rvlhi5pzad496fyb1kbb52bi0fyj-check-vars