this derivation will be built:
  /nix/store/jd7161f0bwy82dd1js85g8zx78qkwvw4-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/jd7161f0bwy82dd1js85g8zx78qkwvw4-bcachefs-module-7.0.0-27-generic.drv'...