this derivation will be built:
  /nix/store/6dnmykvsnxl5539czkx5s1yn4s6iw7w7-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/6dnmykvsnxl5539czkx5s1yn4s6iw7w7-bcachefs-module-7.0.0-39-generic.drv'...