Fix diesel_derives
-use proc_macro2::*;
-use syn::*;
+pub use diagnostic_shim::{Diagnostic, DiagnosticShim, EmitErrorExt};
-pub use diagnostic_shim::*;
-use meta::*;
+use proc_macro2::{TokenStream, Span};
+use syn::{Ident, Type, DeriveInput, Data, GenericArgument};
+use meta::MetaItem;
pub fn wrap_in_dummy_mod(const_name: Ident, item: TokenStream) -> TokenStream {
quote! {
