this derivation will be built:
  /nix/store/hg7f6g0da1nxh5251jnk5h4isamq1xcm-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/hg7f6g0da1nxh5251jnk5h4isamq1xcm-bcachefs-module-7.0.0-38-generic.drv'...