From 976e27df57f09863ee6f41d82f90bc085a673fd5 Mon Sep 17 00:00:00 2001
From: Adam Azarchs <adam.azarchs@10xgenomics.com>
Date: Fri, 19 Aug 2022 14:46:37 -0700
Subject: [PATCH] chore: Fix MSRV build. (#497)

Pin the version of indexmap (transitive dependency) to 1.8.2, the last
version before they switched to edition 2021, which requires rust 1.56.
---
 .github/workflows/rust.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index fb6f2fb15..cbe5b1145 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -98,6 +98,10 @@ jobs:
       - name: check if README matches MSRV defined here
         run: grep '1.53.0' README.md
 
+      - name: pin dependency versions for MSRV
+        run: |
+          cargo update -p indexmap --precise 1.8.2
+
       - name: Run tests
         uses: actions-rs/cargo@v1
         with: