these 2 derivations will be built:
  /nix/store/wd8zk4n7kmg8v4dklg5h881amhl2npv5-closure-info.drv
  /nix/store/sf5wg02k12zn7fn43s26zdxvfqigrnbk-check-vars.drv
error: path '/nix/store/y6sgsp3x3f7bdwaclwaf3jyd787nbsyc-check-vars' is not valid
error: Cannot build '/nix/store/sf5wg02k12zn7fn43s26zdxvfqigrnbk-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/y6sgsp3x3f7bdwaclwaf3jyd787nbsyc-check-vars