this derivation will be built:
  /nix/store/n7cccpagb3bsyvicg9dq9z1wrv70hqar-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/n7cccpagb3bsyvicg9dq9z1wrv70hqar-bcachefs-module-7.0.0-28-generic.drv'...