these 4 derivations will be built:
  /nix/store/68qhk3d342sn5p4sccj4s8pjmqbcacyz-closure-info.drv
  /nix/store/svrvljicv3sjwvw11hfn7giy34wjqp9k-clan-cli-source.drv
  /nix/store/akfn9bwfqmn08j8l8xyqpqf6d29mdh29-clan-cli.drv
  /nix/store/2xkavca2y22z2frlfah4my1xgljlhrdm-check-vars.drv
error: path '/nix/store/vhyivci7fdk2r49brvfrmvgpb69gi28x-check-vars' is not valid
error: Cannot build '/nix/store/2xkavca2y22z2frlfah4my1xgljlhrdm-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/vhyivci7fdk2r49brvfrmvgpb69gi28x-check-vars