message: Update rustc bootstrap patch
diff: @@ -32,11 +32,12 @@ index d95b5b7f17f..00b6f0e3635 100644
  [dependencies]
  core = { path = "../core" }
  --compiler_builtins = { version = "0.1.39", features = ['rustc-dep-of-std'] }
  -+compiler_builtins = { version = "0.1.42", features = ['rustc-dep-of-std', 'no-asm'] }
  +-compiler_builtins = { version = "0.1.40", features = ['rustc-dep-of-std'] }
  ++compiler_builtins = { version = "0.1.43", features = ['rustc-dep-of-std', 'no-asm'] }
  [dev-dependencies]
  rand = "0.7"
  + rand_xorshift = "0.2"
  EOF
  cat > config.toml <<EOF
  