these 2 derivations will be built:
  /nix/store/qs0p1gw6q96l44hzdwwvhxl36yyjp5mm-closure-info.drv
  /nix/store/93ivh4zykr4vkm2mprxrn3wwrz3hh82j-check-vars.drv
error: path '/nix/store/0x8s5qdwvlbb1r18fmq122i92jl2h1zn-check-vars' is not valid
error: Cannot build '/nix/store/93ivh4zykr4vkm2mprxrn3wwrz3hh82j-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/0x8s5qdwvlbb1r18fmq122i92jl2h1zn-check-vars