From d58f143e5be138399d8397063a038b75dac00e5d Mon Sep 17 00:00:00 2001
From: Ashley Anderson <aanderson@hyperfine-research.com>
Date: Wed, 19 Jan 2022 04:04:59 -0500
Subject: [PATCH] Pin rust nightly to older version to work around bug in
 coverage.

---
 .github/workflows/ci.yml | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8d3a8c43..fd3b294d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -253,7 +253,9 @@ jobs:
         continue-on-error: true
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly
+          # TODO: this is pinned to work around a rustc bug in instrumented coverage
+          # https://github.com/taiki-e/cargo-llvm-cov/issues/128
+          toolchain: nightly-2022-01-14
           override: true
           profile: minimal
           components: llvm-tools-preview
@@ -264,12 +266,6 @@ jobs:
           curl -fsSL https://github.com/taiki-e/cargo-llvm-cov/releases/download/v${CARGO_LLVM_COV_VERSION}/cargo-llvm-cov-"$host".tar.gz | tar xzf - -C ~/.cargo/bin
         env:
           CARGO_LLVM_COV_VERSION: 0.1.11
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: nightly
-          override: true
-          profile: minimal
-          components: llvm-tools-preview
       - run: |
           cargo llvm-cov clean --workspace
           cargo llvm-cov --package $ALL_PACKAGES --no-report