these 2 derivations will be built:
  /nix/store/jrbb0iapvss94ccrgsykx4pvgs0y18i8-closure-info.drv
  /nix/store/dm64vn08jsxvyz0gqmpyjg1axwzf902w-check-vars.drv
error: path '/nix/store/l3xkwi69pishc9qjwg9zxnbzm6ma0lpp-check-vars' is not valid
error: Cannot build '/nix/store/dm64vn08jsxvyz0gqmpyjg1axwzf902w-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/l3xkwi69pishc9qjwg9zxnbzm6ma0lpp-check-vars