this derivation will be built:
  /nix/store/yvq6a2js33cqbks90gydyqgc5qdv8j1m-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/yvq6a2js33cqbks90gydyqgc5qdv8j1m-bcachefs-module-7.0.0-29-generic.drv'...