bug#35519: guix master 4de63cf3fc0a831d75cb507456821104f24800c2: rust 1.19.0 build failure on i686-linux

[Mathieu Othacehe <othacehe@gnu.org>]

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Hello,

The CI is spending a considerable amount of time trying to build Rust
packages for "i686-linux". As this is currently broken, what do you
think about applying the attached patch?

Thanks,

Mathieu

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From 2ed5c6e3f8d77ed7b00995fcf786bf84033b76d9 Mon Sep 17 00:00:00 2001
From: Mathieu Othacehe <othacehe@gnu.org>
Date: Fri, 18 Dec 2020 16:15:16 +0100
Subject: [PATCH] gnu: rust: Remove "i686-linux" from supported systems.

* gnu/packages/rust.scm (rust-1.19): Only support "x86_64-linux" architecture.
---
 gnu/packages/rust.scm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index 35a96b5754..91b5d6b6ec 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -452,6 +452,7 @@ test = { path = \"../libtest\" }
             (variable "LIBRARY_PATH")
             (files '("lib" "lib64")))))
 
+    (supported-systems '("x86_64-linux"))
     (synopsis "Compiler for the Rust programming language")
     (description "Rust is a systems programming language that provides memory
 safety and thread safety guarantees.")
-- 
2.29.2