From eecd247cdf7dfa1cee9898dd29d56b0021b5f4d0 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Fri, 10 Jan 2025 09:55:44 -0800
Subject: [PATCH 1/3] Add CI step to test with "std" disabled

---
 .github/workflows/ci.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5e492af..554873e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -41,6 +41,7 @@ jobs:
       - run: cargo test --workspace --exclude thiserror_no_std_test
       - run: cargo test --manifest-path tests/no-std/Cargo.toml
         if: matrix.rust != '1.70.0'
+      - run: cargo test --no-default-features
       - uses: actions/upload-artifact@v4
         if: matrix.rust == 'nightly' && always()
         with:

From 8b5f2d78f0576d8a64a96bd0b73c2b4eef45e6c9 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Fri, 10 Jan 2025 09:56:33 -0800
Subject: [PATCH 2/3] Fix unused import in test when built without std

    warning: unused import: `std::path::PathBuf`
     --> tests/test_expr.rs:4:5
      |
    4 | use std::path::PathBuf;
      |     ^^^^^^^^^^^^^^^^^^
      |
      = note: `#[warn(unused_imports)]` on by default
---
 tests/test_expr.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/test_expr.rs b/tests/test_expr.rs
index 5678e84..1872fb5 100644
--- a/tests/test_expr.rs
+++ b/tests/test_expr.rs
@@ -1,6 +1,7 @@
 #![allow(clippy::iter_cloned_collect, clippy::uninlined_format_args)]
 
 use core::fmt::Display;
+#[cfg(feature = "std")]
 use std::path::PathBuf;
 use thiserror::Error;
 

From 1a226ae42c20114f71bd3ed339f9e0351351abce Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Fri, 10 Jan 2025 10:00:21 -0800
Subject: [PATCH 3/3] Disable two more integration tests in no-std mode

---
 tests/test_backtrace.rs | 1 +
 tests/test_option.rs    | 1 +
 2 files changed, 2 insertions(+)

diff --git a/tests/test_backtrace.rs b/tests/test_backtrace.rs
index 2a4cffa..cc25676 100644
--- a/tests/test_backtrace.rs
+++ b/tests/test_backtrace.rs
@@ -1,3 +1,4 @@
+#![cfg(feature = "std")]
 #![cfg_attr(thiserror_nightly_testing, feature(error_generic_member_access))]
 
 use thiserror::Error;
diff --git a/tests/test_option.rs b/tests/test_option.rs
index fbdbec0..21cd5e1 100644
--- a/tests/test_option.rs
+++ b/tests/test_option.rs
@@ -1,3 +1,4 @@
+#![cfg(feature = "std")]
 #![cfg_attr(thiserror_nightly_testing, feature(error_generic_member_access))]
 
 #[cfg(thiserror_nightly_testing)]