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new e3b694283 ci(rust): suppress unused features error for unstable
`non_exhaustive_omitted_patterns_lint` only used in `arrow_ffi` (#4055)
e3b694283 is described below
commit e3b69428336bcab8b0fb25ac037756a1ba072f57
Author: eitsupi <[email protected]>
AuthorDate: Sun Mar 8 19:59:29 2026 +0900
ci(rust): suppress unused features error for unstable
`non_exhaustive_omitted_patterns_lint` only used in `arrow_ffi` (#4055)
It seems that the latest nightly toolchain has tightened detection of
unused features.
Currently, unstable `non_exhaustive_omitted_patterns` is only used in
`adbc_ffi` (#3245), so it seems necessary `allow(unused_features)` for
the other workspace members.
This change fixes the Rust CI failure seen in recent PRs.
---
.github/workflows/rust.yml | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index e40cc3035..84f7d8187 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -172,7 +172,13 @@ jobs:
working-directory: rust
run: |
rustup toolchain install nightly --component clippy
- cargo +nightly clippy --workspace --all-targets --all-features
--locked -- -Dwarnings
-Zcrate-attr='feature(non_exhaustive_omitted_patterns_lint)'
+ # -Zcrate-attr enables the unstable non_exhaustive_omitted_patterns
lint
+ # (https://github.com/apache/arrow-adbc/pull/3245).
+ # It applies to all workspace packages, so we also allow
unused_features for crates that
+ # don't use the lint.
+ cargo +nightly clippy --workspace --all-targets --all-features
--locked -- -Dwarnings \
+ -Zcrate-attr='feature(non_exhaustive_omitted_patterns_lint)' \
+ -Zcrate-attr='allow(unused_features)'
- name: Test (Default Features)
working-directory: rust
# TODO: enable snowflake tests on windows
