these 2 derivations will be built:
  /nix/store/lfrz2cqxz1bwwz47yxivfn152h7cwgnv-closure-info.drv
  /nix/store/m3pz0y1w2ldrh112x2i2qvjipq3f9z6f-check-vars.drv
error: path '/nix/store/ldl95kylp4bxbj4d5jzlmjjjk96rljnx-check-vars' is not valid
error: Cannot build '/nix/store/m3pz0y1w2ldrh112x2i2qvjipq3f9z6f-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/ldl95kylp4bxbj4d5jzlmjjjk96rljnx-check-vars