these 5 derivations will be built:
  /nix/store/g80p6rmm5r14hyx63b3nw327rzblf8p8-closure-info.drv
  /nix/store/z0y1l9hbialcbksnqjzq8z5qz4npa8vk-clan-runtime.drv
  /nix/store/liix7av69z5v3h2wvmhvdbnsaqyyl3kd-clan-cli-source.drv
  /nix/store/r9zk0x5qpp4l7hh5sfc1c8x7a7xi6d56-clan-cli.drv
  /nix/store/z4g5bz1bb7n8j0w3bfy5c7sna52wniga-check-vars.drv
error: path '/nix/store/bj4b9apvg41gxq1344g7pnmx0x8mj77f-check-vars' is not valid
error: Cannot build '/nix/store/z4g5bz1bb7n8j0w3bfy5c7sna52wniga-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/bj4b9apvg41gxq1344g7pnmx0x8mj77f-check-vars