From 62fc0a2d24e676a1f24bba56ce8a515e04b8f5c3 Mon Sep 17 00:00:00 2001
From: Martin Geisler <martin@geisler.net>
Date: Wed, 13 Mar 2024 21:04:55 +0100
Subject: [PATCH] Separate build and test CI jobs

Our dev dependencies have updated their minimum supported Rust
version (MSRV), so we now only check that the library builds on Rust
1.56. Tests are run on multiple Rust versions, as usual.

The MSRV is now also documented in the Cargo.toml file.
---
 .github/workflows/build.yml | 17 ++++++++++++++++-
 Cargo.toml                  |  1 +
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2d5fa7b..f146f93 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,6 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.56
           - stable
           - nightly
         os:
@@ -47,6 +46,22 @@ jobs:
         if: matrix.rust == 'nightly'
         run: cargo check --all-targets
 
+  msrv:
+    name: Build MSRV
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Install Rust
+        run: rustup default 1.56
+
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Build
+        run: cargo build
+
   build-documentation:
     name: Build documentation
     runs-on: ubuntu-latest
diff --git a/Cargo.toml b/Cargo.toml
index 2258d7d..ae043c7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,6 +17,7 @@ keywords = ["random", "text", "markov", "typography"]
 categories = ["text-processing"]
 license = "MIT"
 edition = "2021"
+rust-version = "1.56"
 
 [dependencies]
 rand = {version = "0.8.5", default-features = false, features = ["alloc"]}