these 2 derivations will be built:
  /nix/store/v5j95qjdf3carpbi7ya4kbmk5bb0d5dk-closure-info.drv
  /nix/store/r33kjfh28jp0vr7clznahrjizpbp8zrh-check-vars.drv
error: path '/nix/store/gd5s8akr4f0x1ha33iwbdnmm1hk8cwjh-check-vars' is not valid
error: Cannot build '/nix/store/r33kjfh28jp0vr7clznahrjizpbp8zrh-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/gd5s8akr4f0x1ha33iwbdnmm1hk8cwjh-check-vars