1.2.3
 - Fix parallel make; more cleanup after build

1.2.2
 - Fix commented out CARGO_HOME in Makevars

1.2.1
 - Print rustc --version in configure as per CRAN request
 - Update maintainer email address

1.2.0
 - Windows: support aarch64-pc-windows-gnullvm

1.1.1
 - CRAN request: use role="aut" for rust dependencies
 - CRAN request: use -j2 instead of CARGO_BUILD_JOBS=2

1.1.0
 - Vendor cargo sources to comply with new CRAN guidlines

1.0.2
 - Windows: add -lntdll to PKG_LIBS as needed by Rust 1.70 and up
