message: Apply sysroot patches to rustc bootstrap and rustc test suite tests
  This is necessary on AArch64 as 128bit atomics aren't yet supported by
  Cranelift.
diff: @@ -10,6 +10,8 @@ git fetch
  git checkout -- .
  git checkout "$(rustc -V | cut -d' ' -f3 | tr -d '(')"
  +git am ../patches/*-sysroot-*.patch
  +
  git apply - <<EOF
  diff --git a/library/alloc/Cargo.toml b/library/alloc/Cargo.toml
  index d95b5b7f17f..00b6f0e3635 100644
  