these 2 derivations will be built:
  /nix/store/y5b9mny65d4i7hp7fdahkjavjzsnadri-closure-info.drv
  /nix/store/awp8vrj4sds1bwajrj8xw680mjk8d39r-check-vars.drv
error: path '/nix/store/bvvfcl4q813z18xf530nv04mmkqs4x0x-check-vars' is not valid
error: Cannot build '/nix/store/awp8vrj4sds1bwajrj8xw680mjk8d39r-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/bvvfcl4q813z18xf530nv04mmkqs4x0x-check-vars