this derivation will be built:
  /nix/store/iy68248df9yn1gzf6wy1z7fxfk8b8w9z-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/iy68248df9yn1gzf6wy1z7fxfk8b8w9z-bcachefs-module-7.0.0-34-generic.drv'...