rust: Pin rustfmt to nightly-2025-02-27

Author: svix-mman

Dockerfile

@@ -57,7 +57,7 @@ RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- \
     --profile minimal \
     --no-modify-path \
     --no-update-default-toolchain \
-    --default-toolchain nightly \
+    --default-toolchain nightly-2025-02-27 \
     --component rustfmt
 
 ENV PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/root/.cargo/bin/"
@@ -94,4 +94,5 @@ COPY --from=goimports-builder /usr/local/go/bin/gofmt /usr/bin
 COPY --from=openapi-codegen-builder /app/target/release/openapi-codegen /usr/bin/
 
 # Ruby
-COPY --from=rubyfmt-builder /app/target/release/rubyfmt-main /usr/bin/rubyfmt
+COPY --from=rubyfmt-builder /app/target/release/rubyfmt-main /usr/bin/rubyfmt
+

src/postprocessing.rs

@@ -92,7 +92,7 @@ impl PostprocessorLanguage {
             Self::Rust => &[(
                 "rustfmt",
                 &[
-                    "+nightly",
+                    "+nightly-2025-02-27",
                     "--unstable-features",
                     "--skip-children",
                     "--edition",