these 2 derivations will be built:
  /nix/store/1iyc9kbz28bl40gh2pndr8zv7f0lcccm-closure-info.drv
  /nix/store/lhi0nswxzd5f9b3mgxrnp4pfsn5sgd5r-check-vars.drv
error: path '/nix/store/sv9bvh0qd9fg64752q8m0xby4lxfarq2-check-vars' is not valid
error: Cannot build '/nix/store/lhi0nswxzd5f9b3mgxrnp4pfsn5sgd5r-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/sv9bvh0qd9fg64752q8m0xby4lxfarq2-check-vars