this derivation will be built:
  /nix/store/nfk6wgmhqb0m3jaimyqayjhvpv8jw570-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/nfk6wgmhqb0m3jaimyqayjhvpv8jw570-bcachefs-module-7.0.0-29-generic.drv'...