this derivation will be built:
  /nix/store/c91lwaanbd7fmw8s695gl537r8b6zw73-bcachefs-module-7.0.0-14-generic-64k.drv
building '/nix/store/c91lwaanbd7fmw8s695gl537r8b6zw73-bcachefs-module-7.0.0-14-generic-64k.drv'...