Update minimum supported Rust version to 1.57.0

This change updates the minimum supported Rust version to 1.57.0. We
want to use this version because it stabilizes the --profile option to
various Cargo sub-commands, which simplifies upcoming changes to our CI
infrastructure.

CHANGELOG.md

@@ -3,6 +3,7 @@ Unreleased
 - Added support for submission of more kinds of bracket orders
 - Migrated over to using `clap` v3 for argument parsing
   - Removed `structopt` dependency
+- Bumped minimum supported Rust version to `1.57`
 - Bumped `apca` dependency to `0.25.0`
 
 

Cargo.toml

@@ -3,6 +3,7 @@ name = "apcacli"
 version = "0.1.5"
 authors = ["Daniel Mueller <deso@posteo.net>"]
 edition = "2021"
+rust-version = "1.57"
 license = "GPL-3.0-or-later"
 homepage = "https://github.com/d-e-s-o/apcacli"
 repository = "https://github.com/d-e-s-o/apcacli.git"

README.md

@@ -1,6 +1,6 @@
 [![pipeline](https://gitlab.com/d-e-s-o/apcacli/badges/main/pipeline.svg)](https://gitlab.com/d-e-s-o/apcacli/commits/main)
 [![crates.io](https://img.shields.io/crates/v/apcacli.svg)](https://crates.io/crates/apcacli)
-[![rustc](https://img.shields.io/badge/rustc-1.56+-blue.svg)](https://blog.rust-lang.org/2021/10/21/Rust-1.56.0.html)
+[![rustc](https://img.shields.io/badge/rustc-1.57+-blue.svg)](https://blog.rust-lang.org/2021/12/02/Rust-1.57.0.html)
 
 apcacli
 =======

ci/gitlab-ci.yml

@@ -4,8 +4,9 @@
 # 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/4627bd25407065f8f8feafa11a33c46c51f759d8/1.56.1/buster/Dockerfile
-image: "rust:1.56.1"
+# https://github.com/rust-lang/docker-rust/blob/c8ff5ad62bfd424f50c8cfd285ac1da98880593d/1.57.0/buster/Dockerfile
+image: "rust:1.57.0"
+
 
 variables:
   FF_USE_FASTZIP: "true"