these 2 derivations will be built:
  /nix/store/gh7dyjpf5cr8gwy696jja6b9ilswjqrg-closure-info.drv
  /nix/store/zpasmfk1mv0wrwpvkpssh9ypz9zbvv5n-check-vars.drv
error: path '/nix/store/xbynzm7x73wlpz38vz6sjj83fw90nvnk-check-vars' is not valid
error: Cannot build '/nix/store/zpasmfk1mv0wrwpvkpssh9ypz9zbvv5n-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/xbynzm7x73wlpz38vz6sjj83fw90nvnk-check-vars