Diesel 1.3.0 fails to build with the recent nightly

[syssecfsu]

Setup

Versions

• Rust: rustc 1.28.0-nightly (71e87be38 2018-05-22)
• Diesel: 1.3.0 from crate.io
• Database: Sqlite
• Operating System Mac OS X 10.13.4

Feature Flags

• diesel: "sqlite", "32-column-tables"

Problem Description

Diesel 1.3.0 cannot be built on the recent nightly. The error message is shown as:

error[E0277]: the trait bound `<expression::count::CountStar as expression::Expression>::SqlType: sql_types::ops::Add` is not satisfied
  --> /.../.cargo/registry/src/github.com-1ecc6299db9ec823/diesel-1.3.0/src/expression/count.rs:58:39
   |
58 | #[derive(Debug, Clone, Copy, QueryId, DieselNumericOps)]
   |                                       ^^^^^^^^^^^^^^^^ the trait `sql_types::ops::Add` is not implemented for `<expression::count::CountStar as expression::Expression>::SqlType`
   |
   = help: consider adding a `where <expression::count::CountStar as expression::Expression>::SqlType: sql_types::ops::Add` bound
   = help: see issue #48214
   = help: add #![feature(trivial_bounds)] to the crate attributes to enable

[Deedasmi]

Duplicate of #1700 , #1701, #1705, #1711, #1722. It's a regression in rustc that will likely be fixed on the next nightly from rust-lang/rust#50876

EDIT: Still broken on 05-23. Due to proc-macro2 this time.