this derivation will be built:
  /nix/store/rc6qwlhgzwnvmx2vc4if2bidhb78qf6v-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/rc6qwlhgzwnvmx2vc4if2bidhb78qf6v-bcachefs-module-7.0.0-30-generic.drv'...