this derivation will be built:
  /nix/store/gkcn5p0hc939d8a51lbdia7w5hrzh6j2-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/gkcn5p0hc939d8a51lbdia7w5hrzh6j2-bcachefs-module-7.0.0-31-generic.drv'...