this derivation will be built:
  /nix/store/grf5f4nrq9gaw6acd74x9zh8vrjxwiyq-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/grf5f4nrq9gaw6acd74x9zh8vrjxwiyq-bcachefs-module-7.0.0-38-generic.drv'...