these 2 derivations will be built:
  /nix/store/hbf5by7dy8gagp2vh1ipsllvr45b5h1b-closure-info.drv
  /nix/store/ylc73122h9fz9lw18q7357wq4i64587x-check-vars.drv
error: path '/nix/store/jzv5chh3jkzfasi6093fbp9jvvyjril0-check-vars' is not valid
error: Cannot build '/nix/store/ylc73122h9fz9lw18q7357wq4i64587x-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/jzv5chh3jkzfasi6093fbp9jvvyjril0-check-vars