#15862 `FileExistsError` while building `requirements.pex` Issue created by danxmoran Describe the bug While running

./pants lint <dir>

, a teammate is hitting: ``` Engine traceback: in select in pants.core.goals.lint.lint in pants.backend.python.lint.pylint.rules.pylint_lint (pylint) in pants.backend.python.lint.pylint.rules.pylint_lint_partition in pants.backend.python.util_rules.pex.create_pex in pants.backend.python.util_rules.pex.build_pex (requirements.pex) in pants.engine.process.fallible_to_exec_result_or_raise Traceback (most recent call last): File "/Users/erica.stephan/.cache/pants/setup/bootstrap-Darwin-x86_64/pants.BV1PAP/install/lib/python3.9/site-packages/pants/engine/process.py", line 272, in fallible_to_exec_result_or_raise raise ProcessExecutionFailure( pants.engine.process.ProcessExecutionFailure: Process 'Building 86 requirements for requirements.pex from the 3rdparty/lockfiles/resolves/default.lockfile resolve: biopython==1.76, bioutils==0.5.5, bleach==4.1.0, boto3==1.20.52, botocore==1.23.52, braintree==3.37.2, business-rules==1.0.1, cachetools==4.2.4, celery[sqs]==4.4.7, clrenv@ git+https://github.com/color/clrenv.git@v0.2.2#c2be7e7c9a23d0d203daa0515d5c2df0ad270786, clrriskmodels@ git+https://github.com/color/risk-models.git@v1.1.1#f2bbe428da49f9d141795bee47469de83e6c28e7, clrypt@ git+https://github.com/color/clrypt.git@v0.2.3#861efad297750138e25d18c4867009419fe39459, dataclasses==0.6; python_version < "3.7", ddtrace==0.48.0, django-countries==7.2.1, django-filter==2.4.0, django-fsm-admin==1.2.4, django-fsm==2.8.0, django-object-actions==3.0.2, django-simple-history==3.0.0, django-timezone-field==4.2.1, django-waffle==2.2.1, django[bcrypt]==3.2.13, djangoql==0.16.0, djangorestframework-api-key==2.0.0, djangorestframework-queryfields==1.0.0, djangorestframework==3.13.1, easypost==5.1.3, filetype==1.0.8, google-api-python-client==1.6.4, google-auth-httplib2==0.0.4, gtfparse==1.2.0, hgvs==1.5.2, hl7apy==1.3.4, honeycomb-beeline==3.1.0, html2text==2020.1.16, intervaltree==3.0.2, jinja2==2.11.3, jira==3.1.1, jsonfield==2.1.1, jsonschema==3.0.2, markdown==3.3.4, memoize@ git+https://github.com/color/memoize.git@5c2712b301b07aee9fc7dc5a6548459488a5ad44, moto[ec2,s3,sqs,ssm]==2.3.1, munch==2.2.0, numpy==1.19.5, openpyxl==3.0.9, pandas==1.1.5, paramiko==2.8.0, parsley==1.3, pgpy==0.5.4, phonenumberslite==8.12.44, pillow==8.3.2, premailer==3.10.0, psutil==5.9.0, pybedtools==0.9.0, pycryptodome==3.6.6, pygments==2.10.0, pyhgvs@ git+https://github.com/counsyl/hgvs.git@ab9b95f21466fbb3265b5bd818ccab0c926ca59f, pyjwt==2.4.0, pylibdmtx==0.1.9, pypdf2==2.0.0, pysam==0.15.4, pytest==6.2.4, python-dateutil==2.8.2, python-intervals==1.10.0, pytz==2021.3, pyvcf==0.6.8, pyyaml==5.4, raven==6.10.0, redis==3.5.3, requests==2.27.1, responses==0.17.0, scipy==1.5.4, setuptools==45.3.0, six==1.16.0, slack-sdk==3.12.0, stripe==2.60.0, text-unidecode==1.3, twilio==7.0.0, typing-extensions==3.10.0.2, us==2.0.2, uszipcode==0.2.6, weasyprint==52.5, xmltodict==0.12.0, zeep==4.1.0' failed with exit code 1. stdout: stderr: ERROR: Command errored out with exit status 1: command: /Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/bin/python3.8 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/Users/erica.stephan/.cache/pants/named_caches/pex_root/tmp/pip-req-build-g334q3ej/setup.py'"'"'; file='"'"'/Users/erica.stephan/.cache/pants/named_caches/pex_root/tmp/pip-req-build-g334q3ej/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' bdist_wheel -d /Users/erica.stephan/.cache/pants/named_caches/pex_root/tmp/pip-wheel-c03klxij cwd: /Users/erica.stephan/.cache/pants/named_caches/pex_root/tmp/pip-req-build-g334q3ej/ Complete output (27 lines): Traceback (most recent call last): File "<string>", line 1, in <module> File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/tmp/pip-req-build-g334q3ej/setup.py", line 10, in <module> setup( File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/lib/python3.8/site-packages/setuptools/__init__.py", line 168, in setup _install_setup_requires(attrs) File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/lib/python3.8/site-packages/setuptools/__init__.py", line 163, in _install_setup_requires dist.fetch_build_eggs(dist.setup_requires) File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/lib/python3.8/site-packages/setuptools/dist.py", line 766, in fetch_build_eggs resolved_dists = pkg_resources.working_set.resolve( File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/lib/python3.8/site-packages/pkg_resources/__init__.py", line 812, in resolve dist = best[req.key] = env.best_match( File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/lib/python3.8/site-packages/pkg_resources/__init__.py", line 1097, in best_match return self.obtain(req, installer) File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/lib/python3.8/site-packages/pkg_resources/__init__.py", line 1109, in obtain return installer(requirement) File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/lib/python3.8/site-packages/setuptools/dist.py", line 829, in fetch_build_egg return fetch_build_egg(self, req) File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/lib/python3.8/site-packages/setuptools/installer.py", line 149, in fetch_build_egg wheel.install_as_egg(dist_location) File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/lib/python3.8/site-packages/setuptools/wheel.py", line 130, in install_as_egg self._install_as_egg(destination_eggdir, zf) File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/lib/python3.8/site-packages/setuptools/wheel.py", line 138, in _install_as_egg self._convert_metadata(zf, destination_eggdir, dist_info, egg_info) File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/lib/python3.8/site-packages/setuptools/wheel.py", line 159, in _convert_metadata os.mkdir(destination_eggdir) FileExistsError: [Errno 17] File exists: '/Users/erica.stephan/.cache/pants/named_caches/pex_root/tmp/pip-req-build-g334q3ej/.eggs/cffi-1.15.0-py3.8-macosx-11.6-x86_64.egg' ---------------------------------------- ERROR: Failed building wheel for cairocffi ERROR: Command errored out with exit status 1: command: /Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/bin/python3.8 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/Users/erica.stephan/.cache/pants/named_caches/pex_root/tmp/pip-req-build-g334q3ej/setup.py'"'"'; file='"'"'/Users/erica.stephan/.cache/pants/named_caches/pex_root/tmp/pip-req-build-g334q3ej/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' clean --all cwd: /Users/erica.stephan/.cache/pants/named_caches/pex_root/tmp/pip-req-build-g334q3ej Complete output (27 lines): Traceback (most recent call last): File "<string>", line 1, in <module> File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/tmp/pip-req-build-g334q3ej/setup.py", line 10, in <module> setup( File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/lib/python3.8/site-packages/setuptools/__init__.py", line 168, in setup _install_setup_requires(attrs) File "/Users/erica.stephan/.cache/pants/named_caches/pex_root/venvs/s/1280d463/venv/lib/python3.8/site-packages/setuptools/__init__.py", line 163, in _install_setup_re… pantsbuild/pants