From 2ca91d571539b4d5ec00b77dfbbe8166a29bb1ef Mon Sep 17 00:00:00 2001
From: Wim Looman <git@nemo157.com>
Date: Sat, 6 Mar 2021 11:39:03 +0100
Subject: [PATCH] Lock queue if updating toolchain fails

Reduces the impact from failures like #1305, rather than continuing to
build crates with the failing toolchain we will just stop building
crates until an admin has time to investigate the cause.
---
 src/docbuilder/queue.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/docbuilder/queue.rs b/src/docbuilder/queue.rs
index 66600dd02..ac4ad3185 100644
--- a/src/docbuilder/queue.rs
+++ b/src/docbuilder/queue.rs
@@ -87,6 +87,12 @@ impl DocBuilder {
                 .map(|r| PackageKind::Registry(r.as_str()))
                 .unwrap_or(PackageKind::CratesIo);
 
+            if let Err(err) = builder.update_toolchain() {
+                log::error!("Updating toolchain failed, locking queue: {}", err);
+                self.lock()?;
+                return Err(err);
+            }
+
             builder.build_package(&krate.name, &krate.version, kind)?;
             Ok(())
         })?;