these 2 derivations will be built:
  /nix/store/cyl3ia4galsf5qmrnyw8x8jlk75k5l9g-closure-info.drv
  /nix/store/730lvwfapiqp8rspnr8ylc38my63858p-check-vars.drv
error: path '/nix/store/5wb58ydm8alb883vf2d08rpq0pnmsgz8-check-vars' is not valid
error: Cannot build '/nix/store/730lvwfapiqp8rspnr8ylc38my63858p-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/5wb58ydm8alb883vf2d08rpq0pnmsgz8-check-vars