Bump minimum Rust version to 1.34

With an upcoming change we want to use the unrestricted tokens in
non-macro attributes feature, which have only been stabilized in Rust
1.34.
To that end, this change bumps the minimum required version of Rust
accordingly.

CHANGELOG.md

@@ -1,5 +1,6 @@
 Unreleased
 ----------
+- Bumped minimum required Rust version to `1.34.0`
 - Downgraded `deny` crate-level lints to `warn`
 
 

README.md

@@ -1,7 +1,7 @@
 [![pipeline](https://gitlab.com/d-e-s-o/gui/badges/devel/pipeline.svg)](https://gitlab.com/d-e-s-o/gui/commits/devel)
 [![crates.io](https://img.shields.io/crates/v/gui.svg)](https://crates.io/crates/gui)
 [![Docs](https://docs.rs/gui/badge.svg)](https://docs.rs/gui)
-[![rustc](https://img.shields.io/badge/rustc-1.31+-blue.svg)](https://blog.rust-lang.org/2018/12/06/Rust-1.31-and-rust-2018.html)
+[![rustc](https://img.shields.io/badge/rustc-1.34+-blue.svg)](https://blog.rust-lang.org/2019/04/11/Rust-1.34.0.html)
 
 gui
 ===

ci/gitlab-ci.yml

@@ -4,8 +4,8 @@
 # Official language image. Look for the different tagged releases at:
 # https://hub.docker.com/r/library/rust/tags/
 # The recipe for this docker image can be found at:
-# https://github.com/rust-lang/docker-rust/blob/e7703b2cf525f2525bdf8d131cd66b5b38b1513c/1.31.0/stretch/Dockerfile
-image: "rust:1.31.0"
+# https://github.com/rust-lang/docker-rust/blob/7663b3d6680c62dee26c8c20b03a836fc09b6325/1.34.0/stretch/Dockerfile
+image: "rust:1.34.0"
 
 build-test:cargo:
   script:

derive/CHANGELOG.md

@@ -1,3 +1,8 @@
+Unreleased
+----------
+- Bumped minimum required Rust version to `1.34.0`
+
+
 0.3.0
 -----
 - Added support for `gui(Event = ...)` attribute

derive/README.md

@@ -1,7 +1,7 @@
 [![pipeline](https://gitlab.com/d-e-s-o/gui/badges/devel/pipeline.svg)](https://gitlab.com/d-e-s-o/gui/commits/devel)
 [![crates.io](https://img.shields.io/crates/v/gui-derive.svg)](https://crates.io/crates/gui-derive)
 [![Docs](https://docs.rs/gui-derive/badge.svg)](https://docs.rs/gui-derive)
-[![rustc](https://img.shields.io/badge/rustc-1.31+-blue.svg)](https://blog.rust-lang.org/2018/12/06/Rust-1.31-and-rust-2018.html)
+[![rustc](https://img.shields.io/badge/rustc-1.34+-blue.svg)](https://blog.rust-lang.org/2019/04/11/Rust-1.34.0.html)
 
 gui-derive
 ==========