this derivation will be built:
  /nix/store/856p5bbkz11a53fdy4n9i0cpn26ilz58-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/856p5bbkz11a53fdy4n9i0cpn26ilz58-bcachefs-module-7.0.0-34-generic.drv'...