these 2 derivations will be built:
  /nix/store/d94vniq7bqsdyfcs8hw7jakjln51d39b-closure-info.drv
  /nix/store/k136pbhk7j5y8mdqadn3wic820jcdmgb-check-vars.drv
error: path '/nix/store/i9bxrppp2va6q7dx3yvkgjp7807nl20a-check-vars' is not valid
error: Cannot build '/nix/store/k136pbhk7j5y8mdqadn3wic820jcdmgb-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/i9bxrppp2va6q7dx3yvkgjp7807nl20a-check-vars