[Bazel CI] Test failure: Bazel Toolchain Resolution Error: Linux vs. Darwin Path Mismatch

[deepalak56]

CI: https://buildkite.com/bazel/bazel-at-head-plus-downstream/builds/5285#019c6eff-8761-4678-a00b-7649b613b390

Platform: MacOs

Logs:

(04:28:32) FAIL: //tests/toolchains/transitions:test_minor_versions (Exit 1) (see /var/lib/buildkite-agent/.cache/bazel/_bazel_buildkite-agent/c61fdf562e46a6fbb164048a7ed7694a/execroot/_main/bazel-out/k8-fastbuild/testlogs/tests/toolchains/transitions/test_minor_versions/test_attempts/attempt_1.log)
(04:28:32) [335 / 671] 207 / 543 tests, 1 failed; 28 actions running; last test: ...n_create_py_runtime_info_without_interpreter_version_info
Testing //examples/wheel:requirements_server.test; 9s local, remote-cache
Testing //tests/pypi/whl_installer:wheel_test; 3s remote-cache, linux-sandbox
Testing //tests/multiple_inputs:multiple_requirements_in.test; 3s local, remote-cache
Testing //tests/bootstrap_impls:external_binary_test; 2s remote-cache, linux-sandbox
Testing //tests/runfiles:runfiles_test; 1s remote-cache, linux-sandbox
Testing //tests/toolchains/multi_platform_resolution:test_3_15_0a1_x86_64_apple_darwin; 1s remote-cache, linux-sandbox
(04:28:32) FAIL: //tests/toolchains/transitions:test_minor_versions (Exit 1) (see /var/lib/buildkite-agent/.cache/bazel/_bazel_buildkite-agent/c61fdf562e46a6fbb164048a7ed7694a/execroot/_main/bazel-out/k8-fastbuild/testlogs/tests/toolchains/transitions/test_minor_versions/test_attempts/attempt_2.log)
(04:28:34) FAIL: //tests/toolchains/transitions:test_minor_versions (Exit 1) (see /var/lib/buildkite-agent/.cache/bazel/_bazel_buildkite-agent/c61fdf562e46a6fbb164048a7ed7694a/execroot/_main/bazel-out/k8-fastbuild/testlogs/tests/toolchains/transitions/test_minor_versions/test.log)
 
FAILED: //tests/toolchains/transitions:test_minor_versions (Summary)

Culprit:

Steps:

git clone -v https://github.com/bazel-contrib/rules_python.git
git reset d31ec0d --hard
export USE_BAZEL_VERSION=24ec866bc2c0761a7ceba400ad07f484841ff9a2
bazel build -- ... @rules_python//examples/wheel/...

CC Greenteam @pcloudy

[deepalak56]

A test that was supposed to run in a macOS environment was instead executed on a Linux worker / received a toolchain configuration intended for Linux.