message: second try of not enforcing Eq on Error
diff: @@ -5,7 +5,8 @@ use gdal_sys::{CPLErr, OGRErr, OGRFieldType, OGRwkbGeometryType};
  pub type Result<T> = std::result::Result<T, GdalError>;
  -#[derive(Clone, PartialEq, Eq, Debug, Error)]
  +#[allow(unknown_lints, clippy::derive_partial_eq_without_eq)] // only enforce `PartialEq` for `GdalError`
  +#[derive(Clone, PartialEq, Debug, Error)]
  pub enum GdalError {
  #[error("FfiNulError")]
  FfiNulError(#[from] std::ffi::NulError),
  