these 2 derivations will be built:
  /nix/store/wf6wj4jvw959y3xbalvcv0f0g8ynwb9d-closure-info.drv
  /nix/store/5dh7nxjvk2419mrazhps3rbr14vdjh9b-check-vars.drv
error: path '/nix/store/77cd5av813kylv8srsbhiapz0yfc4vkf-check-vars' is not valid
error: Cannot build '/nix/store/5dh7nxjvk2419mrazhps3rbr14vdjh9b-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/77cd5av813kylv8srsbhiapz0yfc4vkf-check-vars