these 2 derivations will be built:
  /nix/store/dp5b97n4x43dm0b5mvd9v7kanw87glja-closure-info.drv
  /nix/store/5pbi1y4ryqw5r5gdlqac22yww3ni1px5-check-vars.drv
error: path '/nix/store/zcwgrwrs7618bhqv43sj1ip3rsk1dq8m-check-vars' is not valid
error: Cannot build '/nix/store/5pbi1y4ryqw5r5gdlqac22yww3ni1px5-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/zcwgrwrs7618bhqv43sj1ip3rsk1dq8m-check-vars