this derivation will be built:
  /nix/store/q6g9a69m8fgw9kmi6n482bya67zsaqfh-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/q6g9a69m8fgw9kmi6n482bya67zsaqfh-bcachefs-module-7.0.0-39-generic.drv'...