ci: pin cross and rust versions (deislabs#200)

* ci: pin cross and rust versions
* fixed the commit rev
* pin rust version to 1.75

Signed-off-by: jiaxiao zhou <jiazho@microsoft.com>

Makefile

@@ -72,9 +72,10 @@ fix:
 build: $(foreach shim,$(SHIMS),build-$(shim)-cross-$(TARGET))
 	echo "Build complete"
 
+# pin cross to a specific commit to avoid breaking changes
 .PHONY: install-cross
 install-cross:
-	@if [ -z $$(which cross) ]; then cargo install cross --git https://github.com/cross-rs/cross; fi
+	@if [ -z $$(which cross) ]; then cargo install cross --git https://github.com/cross-rs/cross --rev 5896ed1359642510855ca9ee50ce7fdf75c50e3c; fi
 
 # build-cross can be be used to build any cross supported target (make build-cross-x86_64-unknown-linux-musl)
 .PHONY: $(BUILD_TARGETS)

rust-toolchain.toml

@@ -1,5 +1,5 @@
 [toolchain]
-channel = "stable"
+channel = "1.75.0"
 components = ["clippy", "rustfmt"]
 targets = ["wasm32-wasi", "wasm32-unknown-unknown"]
 profile = "default"