cargo --force to allow CI to build. (#599)

Author: ddorgan

scripts/init.sh

@@ -10,4 +10,4 @@ rustup update stable
 
 # Install wasm-gc. It's useful for stripping slimming down wasm binaries.
 command -v wasm-gc || \
-	cargo +nightly install --git https://github.com/alexcrichton/wasm-gc
+	cargo +nightly install --git https://github.com/alexcrichton/wasm-gc --force