0.59.3

Forked from 0.59.2 release from upstream rules_rust.

It include the following two upstream PRs:

1. bazelbuild#3386
2. bazelbuild#3387

The included cargo-bazel binaries were built from source by running bazel build -c opt //crate_universe:cargo_bazel_bin

0.54.2

Forked from the 0.54.1 release from upstream rules_rust.

It includes the following two upstream PRs:

1. bazelbuild#2993
2. bazelbuild#3104

Note: The included cargo-bazel binaries are the ones from the upstream 0.54.1 release, since no changes were made to cargo-bazel.