these 2 derivations will be built:
  /nix/store/nbbwjc8n4m525dmfa778dkh1gjcqc0s8-closure-info.drv
  /nix/store/f6b5ysksgmcprvc5m0b7ijzwz48w04n8-check-vars.drv
error: path '/nix/store/w09xhvvm7iq4r2ydkmx585196qvwcwvz-check-vars' is not valid
error: Cannot build '/nix/store/f6b5ysksgmcprvc5m0b7ijzwz48w04n8-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/w09xhvvm7iq4r2ydkmx585196qvwcwvz-check-vars