message: Mark NoSimpleValue as not serializable
diff: @@ -38,6 +38,7 @@ use derive_more::Display;
  use gazebo::any::AnyLifetime;
  use crate::{
  + self as starlark,
  collections::StarlarkHasher,
  environment::Methods,
  eval::{Arguments, Evaluator},
  @@ -159,7 +160,7 @@ where
  ///
  /// Useful when implementing [`ComplexValue`], which is not meant to be frozen
  /// (e.g. when evaluating code which is never frozen or in tests).
  -#[derive(Debug, AnyLifetime, Display)]
  +#[derive(Debug, AnyLifetime, Display, NoSerialize)]
  #[display(fmt = "NoSimpleValue")] // Can't actually be invoked since no &self
  pub enum NoSimpleValue {}
  impl<'v> StarlarkValue<'v> for NoSimpleValue {
  