From ca3ba139a21337add76fbf48eee3b2b1b82adaef Mon Sep 17 00:00:00 2001
From: Nadrieril
Date: Wed, 18 Mar 2020 12:54:04 +0000
Subject: Setup CI to test with various toolchains

---
 .github/workflows/rust.yml | 13 +++++++++++++
 README.md                  |  2 ++
 rust-toolchain             |  2 +-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 2d78480..4c75d53 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -18,6 +18,7 @@ jobs:
       - name: Setup Rust toolchain
         uses: actions-rs/toolchain@v1
         with:
+          profile: minimal
           components: rustfmt
       - name: Run rustfmt
         uses: actions-rs/cargo@v1
@@ -36,6 +37,7 @@ jobs:
       - name: Setup Rust toolchain
         uses: actions-rs/toolchain@v1
         with:
+          profile: minimal
           components: clippy
       - name: Run clippy
         uses: actions-rs/cargo@v1
@@ -46,6 +48,13 @@ jobs:
   test:
     name: Run test suite
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - stable
+          - beta
+          - nightly
+          - 1.42.0  # Minimum supported version
     steps:
       - name: Checkout branch
         uses: actions/checkout@master
@@ -53,6 +62,10 @@ jobs:
           submodules: true
       - name: Setup Rust toolchain
         uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          override: true
       - name: Run tests and gather coverage data
         uses: actions-rs/tarpaulin@v0.1
         with:
diff --git a/README.md b/README.md
index 551aeb1..dc5a07e 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,8 @@ expected_map.insert("y".to_string(), 2);
 assert_eq!(deserialized_map, expected_map);
 ```
 
+`dhall` requires Rust >= 1.42.0
+
 ## Standard-compliance
 
 This implementation currently supports most of the [Dhall
diff --git a/rust-toolchain b/rust-toolchain
index a50908c..2bf5ad0 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-1.42.0
+stable
-- 
cgit v1.2.3