From 97edf324550083905107a8e83cb8b36feb345729 Mon Sep 17 00:00:00 2001
From: Mads Marquart <mads@marquart.dk>
Date: Fri, 31 Jan 2025 18:24:33 +0100
Subject: [PATCH] Document that we require cargo +nightly fmt (#4105)

---
 CONTRIBUTING.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 74351b2785..dfcb93a323 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -19,6 +19,11 @@ All patches have to be sent on Github as [pull requests][prs]. To simplify your
 life during review it's recommended to check the "give contributors write access
 to the branch" checkbox.
 
+We use unstable Rustfmt options across the project, so please run
+`cargo +nightly fmt` before submitting your work. If you are unable to do so,
+the maintainers can do it for you before merging, just state so in your pull
+request description.
+
 #### Handling review
 
 During the review process certain events could require an action from your side,