this derivation will be built:
  /nix/store/9wll9r0qcs4qv6j6xyhzsybpyqljfjn6-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/9wll9r0qcs4qv6j6xyhzsybpyqljfjn6-bcachefs-module-7.0.0-38-generic.drv'...