this derivation will be built:
  /nix/store/mgrb56l188kj5sd5bb1xmrcd8hrzqzk6-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/mgrb56l188kj5sd5bb1xmrcd8hrzqzk6-bcachefs-module-7.0.0-28-generic.drv'...