this derivation will be built:
  /nix/store/d9g3zv6xqwkmz8i6y1mdylc4jfm3qga9-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/d9g3zv6xqwkmz8i6y1mdylc4jfm3qga9-bcachefs-module-7.0.0-14-generic.drv'...