From cab1e3566b10402b26469f5afd77f8f98ad979ca Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Fri, 22 Oct 2021 13:30:46 -0700
Subject: [PATCH] Fix CI testing

---
 .github/workflows/main.yml           | 4 +++-
 crates/cargo-test-support/Cargo.toml | 3 +++
 crates/cargo-test-support/src/lib.rs | 1 +
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1443b7681b8..d4c84b7bf5f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -68,7 +68,9 @@ jobs:
 
     # Deny warnings on CI to avoid warnings getting into the codebase.
     - run: cargo test --features 'deny-warnings'
-    - run: cargo test --features 'deny-warnings' -p cargo-test-support
+    - run: cargo test --features 'deny-warnings' --manifest-path crates/cargo-test-support/Cargo.toml
+      env:
+        CARGO_TARGET_DIR: target
     - run: cargo test -p cargo-platform
     - run: cargo test -p cargo-util
     - run: cargo test --manifest-path crates/mdman/Cargo.toml
diff --git a/crates/cargo-test-support/Cargo.toml b/crates/cargo-test-support/Cargo.toml
index f704dd5a3d5..7d57d9f02c7 100644
--- a/crates/cargo-test-support/Cargo.toml
+++ b/crates/cargo-test-support/Cargo.toml
@@ -23,3 +23,6 @@ tar = { version = "0.4.18", default-features = false }
 termcolor = "1.1.2"
 toml = "0.5.7"
 url = "2.2.2"
+
+[features]
+deny-warnings = []
diff --git a/crates/cargo-test-support/src/lib.rs b/crates/cargo-test-support/src/lib.rs
index 36fa9d2dabc..f8e34ed8957 100644
--- a/crates/cargo-test-support/src/lib.rs
+++ b/crates/cargo-test-support/src/lib.rs
@@ -5,6 +5,7 @@
 #![allow(clippy::all)]
 #![warn(clippy::needless_borrow)]
 #![warn(clippy::redundant_clone)]
+#![cfg_attr(feature = "deny-warnings", deny(warnings))]
 
 use std::env;
 use std::ffi::OsStr;