these 2 derivations will be built:
  /nix/store/bkllx99hwdxkc70rv49717yl6306w6bc-closure-info.drv
  /nix/store/zq0nqfqqfb525inz3v7srpx4qm9c6bx8-check-vars.drv
error: path '/nix/store/c0s2i2ivyyd68i9ksxv8hpb5cwaqf3ba-check-vars' is not valid
error: Cannot build '/nix/store/zq0nqfqqfb525inz3v7srpx4qm9c6bx8-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/c0s2i2ivyyd68i9ksxv8hpb5cwaqf3ba-check-vars