this derivation will be built:
  /nix/store/vn6mkbbqi93mwim9ff9hg5fhfv76g8fg-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/vn6mkbbqi93mwim9ff9hg5fhfv76g8fg-bcachefs-module-7.0.0-39-generic.drv'...