Fix cargo build and remove proc-macro-error dependency. am: e9e63c057e am: f7dd78510c

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/merge_derive/+/2877375

Change-Id: I73f128c27b6af9fadf38963fcabcf7fd66c28285
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
tree: 6695080f942769d0820b0363c5958025c5b2c2ac
  1. LICENSES/
  2. patches/
  3. src/
  4. Android.bp
  5. Cargo.toml
  6. Cargo.toml.orig
  7. cargo2android.json
  8. CHANGELOG.md
  9. METADATA
  10. MODULE_LICENSE_APACHE2
  11. OWNERS
  12. README.md
README.md

merge-derive-rs

This crate provides a derive macro for the merge::Merge crate. See the merge crate for more information.