these 2 derivations will be built:
  /nix/store/ywdwnjsb80b97hpala9n7rqxd89y0qqx-closure-info.drv
  /nix/store/mknij9vxha5as774c4fpqjawdjgnw974-check-vars.drv
error: path '/nix/store/8lbjqdhh2xg62i7g4k661m0am58fydwl-check-vars' is not valid
error: Cannot build '/nix/store/mknij9vxha5as774c4fpqjawdjgnw974-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/8lbjqdhh2xg62i7g4k661m0am58fydwl-check-vars