pin nightly version in CI

rust-lang/rust#97791 appears to have broken -Z build-std (?)
japaric · Jun 22, 2022 · 8c6d14a · 8c6d14a
1 parent d6d87ee
commit 8c6d14a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -34,7 +34,7 @@ jobs:
           override: true
           profile: minimal
           target: thumbv7m-none-eabi
-          toolchain: nightly
+          toolchain: nightly-2022-06-18
       - run: cargo install --path . --debug
       - name: Can analyze example firmware
         run: cargo test