E         	  in pants.core.goals.check.check
E         	  in pants.backend.python.typecheck.mypy.rules.mypy_typecheck
E         	  in pants.backend.python.typecheck.mypy.rules.mypy_typecheck_partition
E         	  in pants.backend.python.util_rules.pex.create_pex
E         	  in pants.backend.python.util_rules.pex.build_pex (requirements.pex)
E         	  in pants.engine.process.fallible_to_exec_result_or_raise
E         	Traceback (most recent call last):
E         	  File "/tmp/process-executionIAlw9H/src/python/pants/engine/process.py", line 282, in fallible_to_exec_result_or_raise
E         	    raise ProcessExecutionFailure(
E         	pants.engine.process.ProcessExecutionFailure: Process 'Building requirements.pex with 2 requirements: pantsbuild.pants.testutil@ file:///tmp/process-executionIAlw9H/pantsbuild.pants.testutil-2.10.0.dev0-py37.py38.py39-none-any.whl, pantsbuild.pants@ file:///tmp/process-executionIAlw9H/pantsbuild.pants-2.10.0.dev0-cp39-cp39-linux_x86_64.whl' failed with exit code 1.
E         	stdout:
E         	
E         	stderr:
E         	ERROR: pantsbuild.pants-2.10.0.dev0-cp39-cp39-linux_x86_64.whl is not a supported wheel on this platform.
E         	pid 2661 -> /home/runner/.cache/pants/named_caches/pex_root/venvs/92e3acc3a38b2d01c1bdea319c3ee88b6bbd73af/2703f860957c2efe7f4d087e27e538da0891bc96/pex --disable-pip-version-check --no-python-version-warning --exists-action a --isolated -q --cache-dir /home/runner/.cache/pants/named_caches/pex_root --log /tmp/process-executionMDFAjN/.tmp/tmp8vrb9lf9/pip.log download --dest /tmp/process-executionMDFAjN/.tmp/tmp_qlwclys/opt.hostedtoolcache.Python.3.7.12.x64.bin.python3.7 pantsbuild.pants.testutil@ file:///tmp/process-executionIAlw9H/pantsbuild.pants.testutil-2.10.0.dev0-py37.py38.py39-none-any.whl pantsbuild.pants@ file:///tmp/process-executionIAlw9H/pantsbuild.pants-2.10.0.dev0-cp39-cp39-linux_x86_64.whl --index-url <https://pypi.org/simple/> --retries 5 --timeout 15 exited with 1 and STDERR:
E         	None
E