fix: seichi-portal-backend テンプレートで rust-analyzer が標準ライブラリを読めない問題を修正する#313
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rust-bin.stable.latest.default には rust-src コンポーネントが含まれないため、 rust-analyzer が sysroot から標準ライブラリのソースを見つけられずエラーになっていた。 extensions に rust-src と rust-analyzer を追加して解消する。 Co-authored-by: Claude Code <noreply@anthropic.com>
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概要
templates/seichi-portal-backend/flake.nixの Rust ツールチェインにrust-srcとrust-analyzerコンポーネントを追加rust-bin.stable.latest.defaultはデフォルトでrust-srcを含まないため、rust-analyzer が sysroot から標準ライブラリのソースを見つけられずcan't load standard libraryエラーが発生していたextensionsで明示的に指定することで解消する確認事項
can't load standard libraryおよびFailed to read Cargo metadataエラーが出ていることを確認済みrust-srcコンポーネント不足であり、extensionsに追加することで解消される想定nix developでシェルを再起動後、VSCode を開き直して動作確認が必要補足
rust-analyzerもextensions経由で追加することで、nixpkgs の別パッケージではなく toolchain と同じバージョンの rust-analyzer が使われるようになる🤖 Generated with Claude Code