these 2 derivations will be built:
  /nix/store/svvyp6232xp1kh9fwlp3iphm9xaj9fwl-closure-info.drv
  /nix/store/wm0l44y4rnclnr3023nvvrp4v924lim8-check-vars.drv
error: path '/nix/store/aca4p82q9r6avws8jd8v9x1agghr94dm-check-vars' is not valid
error: Cannot build '/nix/store/wm0l44y4rnclnr3023nvvrp4v924lim8-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/aca4p82q9r6avws8jd8v9x1agghr94dm-check-vars