this derivation will be built:
  /nix/store/yz8n8r6m61b9jdxwqlh9hqclhdzdif3h-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/yz8n8r6m61b9jdxwqlh9hqclhdzdif3h-bcachefs-module-7.0.0-39-generic.drv'...