this derivation will be built:
  /nix/store/r2qgq9jmkvzvk42qpbd6rzmb4jsv3sbj-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/r2qgq9jmkvzvk42qpbd6rzmb4jsv3sbj-bcachefs-module-7.0.0-30-generic.drv'...