this derivation will be built:
  /nix/store/s87cqlkz1di4f50panpjyjy5j7qpgma7-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/s87cqlkz1di4f50panpjyjy5j7qpgma7-bcachefs-module-7.0.0-39-generic.drv'...