this derivation will be built:
  /nix/store/j6lpz6bn862pry2zs1xa5i7vn47a66jr-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/j6lpz6bn862pry2zs1xa5i7vn47a66jr-bcachefs-module-7.0.0-38-generic.drv'...