this derivation will be built:
  /nix/store/r5b51yr74w27fh5ix5l5y8lzfzmh9y53-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/r5b51yr74w27fh5ix5l5y8lzfzmh9y53-bcachefs-module-7.0.0-38-generic.drv'...