this derivation will be built:
  /nix/store/mfrbrwc7ry74ai972jrzr7amghs4wp3a-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/mfrbrwc7ry74ai972jrzr7amghs4wp3a-bcachefs-module-7.0.0-31-generic.drv'...