Pin crc-fast to =1.4.0 to reproduce ARM SIGILL bug

Author: vcjana

.github/workflows/manual-canary.yml

@@ -92,14 +92,18 @@ jobs:
         action: generate-aws-sdk-for-canary
 
   canary:
-    name: Canary
+    name: Canary (${{ matrix.arch }})
     needs:
     - generate
     - get-pr-info
     runs-on: smithy_ubuntu-latest_8-core
     permissions:
       id-token: write
       contents: read
+    strategy:
+      fail-fast: false
+      matrix:
+        arch: [x86_64, aarch64]
     steps:
     - uses: GitHubSecurityLab/actions-permissions/monitor@v1
     - uses: actions/checkout@v4
@@ -117,4 +121,4 @@ jobs:
       uses: ./smithy-rs/.github/actions/docker-build
       with:
         action: run-canary
-        action-arguments: ${{ secrets.CANARY_STACK_CDK_OUTPUTS_BUCKET_NAME }} ${{ steps.creds.outputs.aws-access-key-id }} ${{ steps.creds.outputs.aws-secret-access-key }} ${{ steps.creds.outputs.aws-session-token }}
+        action-arguments: ${{ secrets.CANARY_STACK_CDK_OUTPUTS_BUCKET_NAME }} ${{ steps.creds.outputs.aws-access-key-id }} ${{ steps.creds.outputs.aws-secret-access-key }} ${{ steps.creds.outputs.aws-session-token }} ${{ matrix.arch }}

rust-runtime/Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "aws-smithy-checksums"
-version = "0.63.13"
+version = "0.63.14"
 authors = [
     "AWS Rust SDK Team <aws-sdk-rust@amazon.com>",
     "Zelda Hessler <zhessler@amazon.com>",
@@ -18,7 +18,7 @@ aws-smithy-http = { path = "../aws-smithy-http" }
 aws-smithy-types = { path = "../aws-smithy-types" }
 bytes = "1.10.0"
 # FIXME(https://github.com/smithy-lang/smithy-rs/issues/3981): Keep pinned until we have more comprehensive testing in place
-crc-fast = "~1.9.0"
+crc-fast = "=1.4.0"
 hex = "0.4.3"
 http = "0.2.9"
 http-body = "0.4.5"

rust-runtime/aws-smithy-checksums/Cargo.toml

@@ -219,8 +219,7 @@ impl std::str::FromStr for LambdaArchitecture {
             "x86_64" | "x86-64" | "amd64" => Ok(LambdaArchitecture::X86_64),
             "arm64" | "aarch64" => Ok(LambdaArchitecture::Arm64),
             _ => Err(format!(
-                "Unknown architecture: {}. Use 'x86_64' or 'arm64'",
-                s
+                "Unknown architecture: {s}. Use 'x86_64' or 'arm64'"
             )),
         }
     }
@@ -411,7 +410,7 @@ pub async fn build_bundle(opt: BuildBundleArgs) -> Result<Option<PathBuf>> {
             .arg("--release")
             .arg("--manifest-path")
             .arg(&manifest_path)
-            .arg(format!("--target={}", target));
+            .arg(format!("--target={target}"));
         handle_failure("cargo build", &command.output()?)?;
 
         // Compile the wasm canary to a .wasm binary