Cannot find macro?

[SuperCuber]

Setup

Versions

• Rust: rustc 1.27.0-nightly (ac3c2288f 2018-04-18)
• Diesel: 1.2.2, diesel_codegen: 0.16.0
• Database: N/A
• Operating System: Ubuntu

Feature Flags

• diesel: None

Problem Description

Missing macro?

What are you trying to accomplish?

Build this simple code:

#[macro_use]
extern crate diesel;
#[macro_use]
extern crate diesel_codegen;

table! {
    users  (id) {
        id -> Int4,
        username ->  Text,
    }
}

#[derive(Queryable, Identifiable, AsChangeset)]
pub struct User {
    pub id: i32,
    pub username: String,
}

What is the expected output?

Successful compilation

What is the actual output?

   Compiling diesel-test v0.1.0 (file:///home/amit/diesel-test)
error: cannot find macro `impl_AsChangeset!` in this scope
 --> <proc-macro source code>:1:1
  |
1 | impl_AsChangeset ! { ( struct_name = User , table_name = users , treat_none_as_null = "false" , struct_ty = User , lifetimes = ( 'a ) , ) , fields = [ { field_name:  username ,  column_name:  username ,  field_ty:  String ,  field_kind:  regular ,  inner_field_ty:  String ,  } ] , }
  | ^^^^^^^^^^^^^^^^

error: cannot find macro `impl_Identifiable!` in this scope
 --> <proc-macro source code>:1:1
  |
1 | impl_Identifiable ! { ( table_name = users , primary_key_names = ( id ) , struct_ty = User , lifetimes = ( ) , ) , fields = [ { field_name:  id ,  column_name:  id ,  field_ty:  i32 ,  field_kind:  regular ,  inner_field_ty:  i32 ,  } { field_name:  username ,  column_name:  username ,  field_ty:  String ,  field_kind:  regular ,  inner_field_ty:  String ,  } ] , }
  | ^^^^^^^^^^^^^^^^^

error: aborting due to 2 previous errors

error: Could not compile `diesel-test`.

To learn more, run the command again with --verbose.

Are you seeing any additional errors?

Steps to reproduce

Put the code I tried into a main.rs, put the versions of crates I specified into Cargo.toml, cargo build

Checklist

• I have already looked over the issue tracker for similar issues.

[weiznich]

diesel_codegen is dead since 0.99. See the Changelog for details.