[Bazel CI] ERROR: Bazel-Rust Version Incompatibility: Starlark sort_key Error

[deepalak56]

CI: https://buildkite.com/bazel/bazel-at-head-plus-downstream/builds/5360#019d2854-1cc1-40ff-a396-f8b86d270915

Platform: Ubuntu, MacOs

Logs:

(04:08:40) ERROR: /var/lib/buildkite-agent/.cache/bazel/_bazel_buildkite-agent/6fc256568ad54f369e71b1a1f1faf373/external/rules_rust+/rust/extensions.bzl:272:44: Traceback (most recent call last):
--
File "/var/lib/buildkite-agent/.cache/bazel/_bazel_buildkite-agent/6fc256568ad54f369e71b1a1f1faf373/external/rules_rust+/rust/extensions.bzl", line 272, column 44, in _rust_host_tools_impl
rust_toolchain_tools_repository(
Error in repository_rule: unexpected Starlark value: <sort_key> (of type sort_key)
(04:08:40) ERROR: error evaluating module extension @@rules_rust+//rust:extensions.bzl%rust_host_tools
(04:08:40) INFO: Elapsed time: 1.542s
(04:08:40) INFO: 0 processes.
(04:08:40) ERROR: Build did NOT complete successfully
(04:08:40) FAILED:
Fetching module extension @@rules_rust+//crate_universe:extension.bzl%crate; starting
Fetching module extension @@rules_rust+//rust:extensions.bzl%rust_host_tools; starting
bazel build failed with exit code 48
🚨 Error: The command exited with status 48

Culprit:

Steps:

git clone -v https://github.com/bazelbuild/examples.git
git reset daadf13 --hard
export USE_BAZEL_VERSION=cca38cb9d3b46e92ea008eea8dfef701efdcbb6b
bazel build --config=remote --lockfile_mode=off -- //...

CC Greenteam @meteorcloudy

[deepalak56]

Seems like Bazel version is old to understand the sort_key feature used by the current version of rules_rust

[deepalak56]

https://buildkite.com/bazel/bazel-at-head-plus-downstream/builds/5406#019d8f59-f91a-409d-81cf-ca80c4fc3a84 -

While the previous logs showed a crash with an "unexpected value: <sort_key>," this log shows an "unexpected keyword argument: _sort_key.