s mypy-resolves $ pants --level=debug fix :: [2025-03-05T19:44:02Z DEBUG pantsd] Looking for pantsd metadata in /Users/erra/tmpdir-36133582d2/mypy-resolves/.pants.d/pids as specified by [GLOBAL] pants_subprocessdir = .pants.d/pids via Default. [2025-03-05T19:44:02Z DEBUG pantsd] Parsed port 52478 from /Users/erra/tmpdir-36133582d2/mypy-resolves/.pants.d/pids/a0bb727919ab/pantsd/socket. 12:44:03.02 [DEBUG] acquiring lock: 12:44:03.02 [DEBUG] terminating pantsd 12:44:03.02 [DEBUG] sending signal 15 to pid 65160 12:44:03.23 [DEBUG] successfully terminated pid 65160 12:44:03.23 [DEBUG] purging metadata directory: /Users/erra/tmpdir-36133582d2/mypy-resolves/.pants.d/pids/a0bb727919ab/pantsd 12:44:03.23 [DEBUG] Launching pantsd 12:44:03.23 [DEBUG] purging metadata directory: /Users/erra/tmpdir-36133582d2/mypy-resolves/.pants.d/pids/a0bb727919ab/pantsd 12:44:03.23 [DEBUG] pantsd command is: PANTS_DAEMON_ENTRYPOINT=pants.pantsd.pants_daemon:launch_new_pantsd_instance PYTHONPATH=/Users/erra/Library/Caches/nce/8fb836cadd1e1f50180fea66b6acab1f23108e9a74f158744e706c6da41a534b/bindings/venvs/2.24.2/bin:/Users/erra/Library/Caches/nce/bf0cd90204a2cc6da48cae1e4b32f48c9f7031fbe1238c5972104ccb0155d368/cpython-3.9.18+20240107-aarch64-apple-darwin-install_only.tar.gz/python/lib/python39.zip:/Users/erra/Library/Caches/nce/bf0cd90204a2cc6da48cae1e4b32f48c9f7031fbe1238c5972104ccb0155d368/cpython-3.9.18+20240107-aarch64-apple-darwin-install_only.tar.gz/python/lib/python3.9:/Users/erra/Library/Caches/nce/bf0cd90204a2cc6da48cae1e4b32f48c9f7031fbe1238c5972104ccb0155d368/cpython-3.9.18+20240107-aarch64-apple-darwin-install_only.tar.gz/python/lib/python3.9/lib-dynload:/Users/erra/Library/Caches/nce/8fb836cadd1e1f50180fea66b6acab1f23108e9a74f158744e706c6da41a534b/bindings/venvs/2.24.2/lib/python3.9/site-packages /Users/erra/Library/Caches/nce/8fb836cadd1e1f50180fea66b6acab1f23108e9a74f158744e706c6da41a534b/bindings/venvs/2.24.2/bin/python3.9 /Users/erra/Library/Caches/nce/8fb836cadd1e1f50180fea66b6acab1f23108e9a74f158744e706c6da41a534b/bindings/venvs/2.24.2/bin/pants --level=debug fix :: 12:44:05.92 [DEBUG] pantsd is running at pid 65561, pailgun port is 52496 12:44:05.92 [DEBUG] releasing lock: 12:44:05.92 [DEBUG] Connecting to pantsd on port 52496 12:44:05.93 [DEBUG] Connecting to pantsd on port 52496 attempt 1/3 12:44:05.93 [DEBUG] Connected to pantsd 12:44:05.93 [DEBUG] work dir: /Users/erra/tmpdir-36133582d2/mypy-resolves 12:44:05.93 [DEBUG] Found BuildRoot("/Users/erra/tmpdir-36133582d2/mypy-resolves") starting search from /Users/erra/tmpdir-36133582d2/mypy-resolves. 12:44:05.93 [DEBUG] Found BuildRoot("/Users/erra/tmpdir-36133582d2/mypy-resolves") starting search from /Users/erra/tmpdir-36133582d2/mypy-resolves. 12:44:05.94 [DEBUG] Launching 1 roots (poll=false). 12:44:05.94 [DEBUG] Found BuildRoot("/Users/erra/tmpdir-36133582d2/mypy-resolves") starting search from /Users/erra/tmpdir-36133582d2/mypy-resolves. 12:44:05.95 [DEBUG] computed 1 nodes in 0.009256 seconds. there are 10 total nodes. 12:44:05.95 [DEBUG] Launching 1 roots (poll=false). 12:44:05.95 [DEBUG] computed 1 nodes in 0.000158 seconds. there are 14 total nodes. 12:44:06.00 [DEBUG] Found BuildRoot("/Users/erra/tmpdir-36133582d2/mypy-resolves") starting search from /Users/erra/tmpdir-36133582d2/mypy-resolves. 12:44:06.01 [INFO] Initializing scheduler... 12:44:06.02 [DEBUG] File handle limit is: 10000 12:44:06.03 [INFO] Initializing Nailgun pool for 16 processes... 12:44:06.03 [DEBUG] Using [cache::CommandRunner { inner: bounded::CommandRunner { inner: SwitchedCommandRunner { .. }, .. }, .. }, cache::CommandRunner { inner: bounded::CommandRunner { inner: SwitchedCommandRunner { .. }, .. }, .. }] for process execution. 12:44:07.69 [DEBUG] Changes to /Users/erra/Library/Caches/nce/8fb836cadd1e1f50180fea66b6acab1f23108e9a74f158744e706c6da41a534b/bindings/venvs/2.24.2/bin, outside of the buildroot, will not be invalidated. 12:44:07.69 [DEBUG] Changes to /Users/erra/Library/Caches/nce/8fb836cadd1e1f50180fea66b6acab1f23108e9a74f158744e706c6da41a534b/bindings/venvs/2.24.2/bin, outside of the buildroot, will not be invalidated. 12:44:07.69 [DEBUG] Changes to /Users/erra/Library/Caches/nce/bf0cd90204a2cc6da48cae1e4b32f48c9f7031fbe1238c5972104ccb0155d368/cpython-3.9.18+20240107-aarch64-apple-darwin-install_only.tar.gz/python/lib/python39.zip, outside of the buildroot, will not be invalidated. 12:44:07.69 [DEBUG] Changes to /Users/erra/Library/Caches/nce/bf0cd90204a2cc6da48cae1e4b32f48c9f7031fbe1238c5972104ccb0155d368/cpython-3.9.18+20240107-aarch64-apple-darwin-install_only.tar.gz/python/lib/python3.9, outside of the buildroot, will not be invalidated. 12:44:07.69 [DEBUG] Changes to /Users/erra/Library/Caches/nce/bf0cd90204a2cc6da48cae1e4b32f48c9f7031fbe1238c5972104ccb0155d368/cpython-3.9.18+20240107-aarch64-apple-darwin-install_only.tar.gz/python/lib/python3.9/lib-dynload, outside of the buildroot, will not be invalidated. 12:44:07.69 [DEBUG] Changes to /Users/erra/Library/Caches/nce/8fb836cadd1e1f50180fea66b6acab1f23108e9a74f158744e706c6da41a534b/bindings/venvs/2.24.2/lib/python3.9/site-packages, outside of the buildroot, will not be invalidated. 12:44:07.69 [DEBUG] setting up service 12:44:07.69 [DEBUG] setting up service 12:44:07.69 [DEBUG] starting service 12:44:07.69 [DEBUG] starting service 12:44:07.69 [INFO] Scheduler initialized. 12:44:07.70 [DEBUG] Launching 1 roots (poll=false). 12:44:07.70 [DEBUG] computed 1 nodes in 0.000289 seconds. there are 14 total nodes. 12:44:07.70 [DEBUG] Launching 1 roots (poll=false). 12:44:07.70 [DEBUG] computed 1 nodes in 0.000104 seconds. there are 14 total nodes. 12:44:07.74 [DEBUG] specs are: Specs(includes=RawSpecs(description_of_origin='CLI arguments', address_literals=(), file_literals=(), file_globs=(), dir_literals=(), dir_globs=(), recursive_globs=(RecursiveGlobSpec(directory=''),), ancestor_globs=(), unmatched_glob_behavior=, filter_by_global_options=True, from_change_detection=False), ignores=RawSpecs(description_of_origin='CLI arguments', address_literals=(), file_literals=(), file_globs=(), dir_literals=(), dir_globs=(), recursive_globs=(), ancestor_globs=(), unmatched_glob_behavior=, filter_by_global_options=False, from_change_detection=False)) 12:44:07.74 [DEBUG] changed_options are: ChangedOptions(since=None, diffspec=None, dependents=) 12:44:07.74 [DEBUG] Launching 1 roots (poll=false). 12:44:07.74 [DEBUG] Found BuildRoot("/Users/erra/tmpdir-36133582d2/mypy-resolves") starting search from /Users/erra/tmpdir-36133582d2/mypy-resolves. 12:44:07.75 [DEBUG] computed 1 nodes in 0.009738 seconds. there are 17 total nodes. 12:44:07.75 [DEBUG] Launching 1 roots (poll=false). 12:44:07.75 [DEBUG] computed 1 nodes in 0.000469 seconds. there are 22 total nodes. 12:44:07.75 [DEBUG] Launching 1 roots (poll=false). 12:44:07.75 [DEBUG] computed 1 nodes in 0.000097 seconds. there are 22 total nodes. 12:44:07.75 [DEBUG] requesting to satisfy execution of `fix` goal 12:44:07.75 [DEBUG] Launching 1 roots (poll=false). 12:44:07.76 [DEBUG] Completed: Find all sources from input specs 12:44:07.77 [DEBUG] Completed: Find targets from input specs 12:44:07.78 [DEBUG] Completed: pants.core.util_rules.search_paths.validate_search_paths 12:44:07.78 [DEBUG] Completed: Prepare environment for running PEXes 12:44:07.78 [DEBUG] Completed: acquire_command_runner_slot 12:44:07.78 [DEBUG] Completed: acquire_command_runner_slot 12:44:07.78 [DEBUG] Running Test binary /bin/bash. under semaphore with concurrency id: 1, and concurrency: 1 12:44:07.78 [DEBUG] Running Test binary /opt/homebrew/bin/bash. under semaphore with concurrency id: 2, and concurrency: 1 12:44:07.78 [DEBUG] /Users/erra/.cache/pants/lmdb_store/immutable/files -> /private/var/folders/2k/9cgl24z17nz7bzcc9s35_ms80000gn/T hardlinkable: true 12:44:07.78 [DEBUG] Completed: setup_sandbox 12:44:07.80 [DEBUG] spawned local process as Some(65574) for Process { argv: ["/bin/bash", "--version"], env: {}, working_directory: None, input_digests: InputDigests { complete: DirectoryDigest { digest: Digest { hash: Fingerprint, size_bytes: 0 }, tree: "Some(..)" }, nailgun: DirectoryDigest { digest: Digest { hash: Fingerprint, size_bytes: 0 }, tree: "Some(..)" }, inputs: DirectoryDigest { digest: Digest { hash: Fingerprint, size_bytes: 0 }, tree: "Some(..)" }, immutable_inputs: {}, use_nailgun: {} }, output_files: {}, output_directories: {}, timeout: None, execution_slot_variable: None, concurrency_available: 0, description: "Test binary /bin/bash.", level: Debug, append_only_caches: {}, jdk_home: None, cache_scope: PerRestartAlways, execution_environment: ProcessExecutionEnvironment { name: None, platform: Macos_arm64, strategy: Local }, remote_cache_speculation_delay: 0ns, attempt: 0 } 12:44:07.80 [DEBUG] Completed: setup_sandbox 12:44:07.81 [DEBUG] Completed: Test binary /bin/bash. 12:44:07.81 [DEBUG] Completed: Scheduling: Test binary /bin/bash. 12:44:07.81 [DEBUG] spawned local process as Some(65575) for Process { argv: ["/opt/homebrew/bin/bash", "--version"], env: {}, working_directory: None, input_digests: InputDigests { complete: DirectoryDigest { digest: Digest { hash: Fingerprint, size_bytes: 0 }, tree: "Some(..)" }, nailgun: DirectoryDigest { digest: Digest { hash: Fingerprint, size_bytes: 0 }, tree: "Some(..)" }, inputs: DirectoryDigest { digest: Digest { hash: Fingerprint, size_bytes: 0 }, tree: "Some(..)" }, immutable_inputs: {}, use_nailgun: {} }, output_files: {}, output_directories: {}, timeout: None, execution_slot_variable: None, concurrency_available: 0, description: "Test binary /opt/homebrew/bin/bash.", level: Debug, append_only_caches: {}, jdk_home: None, cache_scope: PerRestartAlways, execution_environment: ProcessExecutionEnvironment { name: None, platform: Macos_arm64, strategy: Local }, remote_cache_speculation_delay: 0ns, attempt: 0 } 12:44:07.82 [DEBUG] Completed: Test binary /opt/homebrew/bin/bash. 12:44:07.82 [DEBUG] Completed: Scheduling: Test binary /opt/homebrew/bin/bash. 12:44:07.82 [DEBUG] Completed: Finding the `bash` binary 12:44:07.83 [DEBUG] Completed: Extracting an archive file 12:44:07.83 [DEBUG] Completed: pants.core.util_rules.external_tool.download_external_tool 12:44:07.83 [DEBUG] Completed: acquire_command_runner_slot 12:44:07.83 [DEBUG] Running Find interpreter for constraints: CPython==3.10.15 OR CPython==3.11.11 under semaphore with concurrency id: 3, and concurrency: 1 12:44:07.83 [DEBUG] Completed: setup_sandbox 12:44:07.84 [DEBUG] spawned local process as Some(65576) for Process { argv: ["/Users/erra/Library/Caches/nce/8fb836cadd1e1f50180fea66b6acab1f23108e9a74f158744e706c6da41a534b/bindings/venvs/2.24.2/bin/python3.9", "./pex", "--tmpdir", ".tmp", "--no-emit-warnings", "--pip-version", "24.2", "--python-path", "/Users/erra/.pyenv/versions/3.10.15/bin:/Users/erra/.pyenv/versions/3.11.11/bin:/Users/erra/.pyenv/shims:/Users/erra/.pyenv/bin:/opt/homebrew/bin:/opt/homebrew/sbin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/Library/Apple/usr/bin:/Library/TeX/texbin:/Applications/iTerm 2.app/Contents/Resources/utilities:/Users/erra/.go/go/bin:/Users/erra/bin:/Users/erra/.local/bin:/Users/erra/.bin:/opt/homebrew/opt/qt@5/bin:/Users/erra/fvm/default/bin:/Users/erra/.cargo/bin/", "--interpreter-constraint", "CPython==3.10.15", "--interpreter-constraint", "CPython==3.11.11", "--", "-c", "import hashlib, os, sys\n\npython = os.path.realpath(sys.executable)\nprint(python)\n\nhasher = hashlib.sha256()\nwith open(python, \"rb\") as fp:\n for chunk in iter(lambda: fp.read(8192), b\"\"):\n hasher.update(chunk)\nprint(hasher.hexdigest())\n"], env: {"CPPFLAGS": "", "LANG": "en_US.UTF-8", "LDFLAGS": "", "PATH": "/Users/erra/.pyenv/shims:/Users/erra/.pyenv/bin:/opt/homebrew/bin:/opt/homebrew/sbin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/Library/Apple/usr/bin:/Library/TeX/texbin:/Applications/iTerm 2.app/Contents/Resources/utilities:/Users/erra/.go/go/bin:/Users/erra/bin:/Users/erra/.local/bin:/Users/erra/.bin:/opt/homebrew/opt/qt@5/bin:/Users/erra/fvm/default/bin:/Users/erra/.cargo/bin/", "PEX_IGNORE_RCFILES": "true", "PEX_PYTHON": "/Users/erra/Library/Caches/nce/8fb836cadd1e1f50180fea66b6acab1f23108e9a74f158744e706c6da41a534b/bindings/venvs/2.24.2/bin/python3.9", "PEX_ROOT": ".cache/pex_root"}, working_directory: None, input_digests: InputDigests { complete: DirectoryDigest { digest: Digest { hash: Fingerprint<297f06f4274c04a74cdfaa866d09935883689e7fb930062aa8508b4f33d81c20>, size_bytes: 158 }, tree: "Some(..)" }, nailgun: DirectoryDigest { digest: Digest { hash: Fingerprint, size_bytes: 0 }, tree: "Some(..)" }, inputs: DirectoryDigest { digest: Digest { hash: Fingerprint<297f06f4274c04a74cdfaa866d09935883689e7fb930062aa8508b4f33d81c20>, size_bytes: 158 }, tree: "Some(..)" }, immutable_inputs: {}, use_nailgun: {} }, output_files: {}, output_directories: {}, timeout: None, execution_slot_variable: None, concurrency_available: 0, description: "Find interpreter for constraints: CPython==3.10.15 OR CPython==3.11.11", level: Debug, append_only_caches: {CacheName("pex_root"): RelativePath(".cache/pex_root"), CacheName("python_build_standalone"): RelativePath(".python-build-standalone")}, jdk_home: None, cache_scope: PerRestartSuccessful, execution_environment: ProcessExecutionEnvironment { name: None, platform: Macos_arm64, strategy: Local }, remote_cache_speculation_delay: 0ns, attempt: 0 } 12:44:08.98 [DEBUG] Completed: Find interpreter for constraints: CPython==3.10.15 OR CPython==3.11.11 12:44:08.99 [DEBUG] Completed: Scheduling: Find interpreter for constraints: CPython==3.10.15 OR CPython==3.11.11 12:44:08.99 [DEBUG] Completed: Find Python interpreter for constraints - CPython==3.10.15 OR CPython==3.11.11 - Selected /Users/erra/.pyenv/versions/3.10.15/bin/python3.10 to run PEXes with. 12:44:08.99 [DEBUG] Completed: Scheduling: Building autoflake.pex from resource://pants.backend.python.lint.autoflake/autoflake.lock 12:44:08.99 [DEBUG] Completed: pants.backend.python.util_rules.pex.build_pex 12:44:08.99 [DEBUG] Completed: Scheduling: Run Autoflake on 2 files. 12:44:08.99 [DEBUG] Output from autoflake 12:44:08.99 [INFO] Completed: Fix with Autoflake - autoflake made no changes. 12:44:08.99 [DEBUG] Completed: acquire_command_runner_slot 12:44:08.99 [DEBUG] Running Find interpreter for constraints: CPython<4,>=3.8 under semaphore with concurrency id: 4, and concurrency: 1 12:44:08.99 [DEBUG] Completed: setup_sandbox 12:44:09.00 [DEBUG] spawned local process as Some(65625) for Process { argv: ["/Users/erra/Library/Caches/nce/8fb836cadd1e1f50180fea66b6acab1f23108e9a74f158744e706c6da41a534b/bindings/venvs/2.24.2/bin/python3.9", "./pex", "--tmpdir", ".tmp", "--no-emit-warnings", "--pip-version", "24.2", "--python-path", "/Users/erra/.pyenv/versions/3.10.15/bin:/Users/erra/.pyenv/versions/3.11.11/bin:/Users/erra/.pyenv/shims:/Users/erra/.pyenv/bin:/opt/homebrew/bin:/opt/homebrew/sbin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/Library/Apple/usr/bin:/Library/TeX/texbin:/Applications/iTerm 2.app/Contents/Resources/utilities:/Users/erra/.go/go/bin:/Users/erra/bin:/Users/erra/.local/bin:/Users/erra/.bin:/opt/homebrew/opt/qt@5/bin:/Users/erra/fvm/default/bin:/Users/erra/.cargo/bin/", "--interpreter-constraint", "CPython<4,>=3.8", "--", "-c", "import hashlib, os, sys\n\npython = os.path.realpath(sys.executable)\nprint(python)\n\nhasher = hashlib.sha256()\nwith open(python, \"rb\") as fp:\n for chunk in iter(lambda: fp.read(8192), b\"\"):\n hasher.update(chunk)\nprint(hasher.hexdigest())\n"], env: {"CPPFLAGS": "", "LANG": "en_US.UTF-8", "LDFLAGS": "", "PATH": "/Users/erra/.pyenv/shims:/Users/erra/.pyenv/bin:/opt/homebrew/bin:/opt/homebrew/sbin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/Library/Apple/usr/bin:/Library/TeX/texbin:/Applications/iTerm 2.app/Contents/Resources/utilities:/Users/erra/.go/go/bin:/Users/erra/bin:/Users/erra/.local/bin:/Users/erra/.bin:/opt/homebrew/opt/qt@5/bin:/Users/erra/fvm/default/bin:/Users/erra/.cargo/bin/", "PEX_IGNORE_RCFILES": "true", "PEX_PYTHON": "/Users/erra/Library/Caches/nce/8fb836cadd1e1f50180fea66b6acab1f23108e9a74f158744e706c6da41a534b/bindings/venvs/2.24.2/bin/python3.9", "PEX_ROOT": ".cache/pex_root"}, working_directory: None, input_digests: InputDigests { complete: DirectoryDigest { digest: Digest { hash: Fingerprint<297f06f4274c04a74cdfaa866d09935883689e7fb930062aa8508b4f33d81c20>, size_bytes: 158 }, tree: "Some(..)" }, nailgun: DirectoryDigest { digest: Digest { hash: Fingerprint, size_bytes: 0 }, tree: "Some(..)" }, inputs: DirectoryDigest { digest: Digest { hash: Fingerprint<297f06f4274c04a74cdfaa866d09935883689e7fb930062aa8508b4f33d81c20>, size_bytes: 158 }, tree: "Some(..)" }, immutable_inputs: {}, use_nailgun: {} }, output_files: {}, output_directories: {}, timeout: None, execution_slot_variable: None, concurrency_available: 0, description: "Find interpreter for constraints: CPython<4,>=3.8", level: Debug, append_only_caches: {CacheName("pex_root"): RelativePath(".cache/pex_root"), CacheName("python_build_standalone"): RelativePath(".python-build-standalone")}, jdk_home: None, cache_scope: PerRestartSuccessful, execution_environment: ProcessExecutionEnvironment { name: None, platform: Macos_arm64, strategy: Local }, remote_cache_speculation_delay: 0ns, attempt: 0 } 12:44:09.00 [DEBUG] Completed: Find config files 12:44:10.30 [DEBUG] Completed: Find interpreter for constraints: CPython<4,>=3.8 12:44:10.30 [DEBUG] Completed: Scheduling: Find interpreter for constraints: CPython<4,>=3.8 12:44:10.30 [DEBUG] Completed: Find Python interpreter for constraints - CPython<4,>=3.8 - Selected /Applications/Xcode-15.3.0.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.9/bin/python3.9 to run PEXes with. 12:44:10.31 [DEBUG] Completed: Scheduling: Building black.pex from resource://pants.backend.python.lint.black/black.lock 12:44:10.31 [DEBUG] Completed: pants.backend.python.util_rules.pex.build_pex 12:44:10.31 [DEBUG] Completed: acquire_command_runner_slot 12:44:10.31 [DEBUG] Running Run Black on 2 files. under semaphore with concurrency id: 5, and concurrency: 2 12:44:10.31 [DEBUG] Completed: setup_sandbox 12:44:10.32 [DEBUG] spawned local process as Some(65674) for Process { argv: ["./black.pex_pex_shim.sh", "-W", "2", "v1/main.py", "v2/main.py"], env: {"BLACK_CACHE_DIR": "__pants_black_cache"}, working_directory: None, input_digests: InputDigests { complete: DirectoryDigest { digest: Digest { hash: Fingerprint<4e4709b2c1b23c18563edaf371c46f846269819e301863fc66655c6a87b1c755>, size_bytes: 528 }, tree: "Some(..)" }, nailgun: DirectoryDigest { digest: Digest { hash: Fingerprint, size_bytes: 0 }, tree: "Some(..)" }, inputs: DirectoryDigest { digest: Digest { hash: Fingerprint<4e4709b2c1b23c18563edaf371c46f846269819e301863fc66655c6a87b1c755>, size_bytes: 528 }, tree: "Some(..)" }, immutable_inputs: {}, use_nailgun: {} }, output_files: {RelativePath("v1/main.py"), RelativePath("v2/main.py")}, output_directories: {}, timeout: None, execution_slot_variable: None, concurrency_available: 2, description: "Run Black on 2 files.", level: Debug, append_only_caches: {CacheName("pex_root"): RelativePath(".cache/pex_root"), CacheName("python_build_standalone"): RelativePath(".python-build-standalone")}, jdk_home: None, cache_scope: Successful, execution_environment: ProcessExecutionEnvironment { name: None, platform: Macos_arm64, strategy: Local }, remote_cache_speculation_delay: 0ns, attempt: 0 } 12:44:11.20 [DEBUG] Completed: Run Black on 2 files. 12:44:11.20 [DEBUG] Completed: Scheduling: Run Black on 2 files. 12:44:11.20 [DEBUG] Completed: Format with Black 12:44:11.20 [DEBUG] Completed: `fix` goal 12:44:11.20 [DEBUG] computed 1 nodes in 3.449247 seconds. there are 363 total nodes. 12:44:11.20 [ERROR] 1 Exception encountered: Engine traceback: in `fix` goal ProcessExecutionFailure: Process 'Run Black on 2 files.' failed with exit code 123. stdout: stderr: error: cannot format v1/main.py: cannot use --safe with this file; failed to parse source file AST: invalid syntax (, line 17) This could be caused by running Black with an older Python version that does not support new syntax used in your source file. Oh no! 💥 💔 💥 1 file left unchanged, 1 file failed to reformat. Use `--keep-sandboxes=on_failure` to preserve the process chroot for inspection. s mypy-resolves $