this derivation will be built:
  /nix/store/nycyfj736a9ngnxdlvn4xmymmd03sbym-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/nycyfj736a9ngnxdlvn4xmymmd03sbym-bcachefs-module-7.0.0-38-generic.drv'...