From b1765814b6db85dd5dd725734df76a4bd9426a23 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Mon, 11 Mar 2024 20:05:04 -0700
Subject: [PATCH] Prevent new lint from turning off nightly span support under
 -Dwarnings

---
 build.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/build.rs b/build.rs
index 3347f87..266e52b 100644
--- a/build.rs
+++ b/build.rs
@@ -156,6 +156,7 @@ fn compile_probe(rustc_bootstrap: bool) -> bool {
         .arg("--edition=2021")
         .arg("--crate-name=proc_macro2")
         .arg("--crate-type=lib")
+        .arg("--cap-lints=allow")
         .arg("--emit=dep-info,metadata")
         .arg("--out-dir")
         .arg(out_dir)