Free-threaded Python Library Compatibility Checker

  error: subprocess-exited-with-error
  
  × Building wheel for cryptography (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [16 lines of output]
      Running `maturin pep517 build-wheel -i /tmp/tmpil1fof_a/venv/bin/python --compatibility off`
      🍹 Building a mixed python/rust project
      🔗 Found pyo3 bindings with abi3 support
      🐍 Found CPython 3.14t at /tmp/tmpil1fof_a/venv/bin/python
      📡 Using build options locked from pyproject.toml
      ⚠️ Warning: CPython 3.14t at /tmp/tmpil1fof_a/venv/bin/python does not yet support abi3 so the build artifacts will be version-specific.
      warning: /tmp/pip-install-9cn8bao5/cryptography_7195693e97bf415da85c4422778be288/src/rust/cryptography-openssl/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-9cn8bao5/cryptography_7195693e97bf415da85c4422778be288/src/rust/cryptography-key-parsing/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-9cn8bao5/cryptography_7195693e97bf415da85c4422778be288/src/rust/cryptography-cffi/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-9cn8bao5/cryptography_7195693e97bf415da85c4422778be288/src/rust/Cargo.toml: unused manifest key: lints
      error: package `cryptography-rust v0.1.0 (/tmp/pip-install-9cn8bao5/cryptography_7195693e97bf415da85c4422778be288/src/rust)` cannot be built because it requires rustc 1.74.0 or newer, while the currently active rustc version is 1.63.0
      
      💥 maturin failed
        Caused by: Failed to build a native library through cargo
        Caused by: Cargo build finished with "exit status: 101": `env -u CARGO PYO3_ENVIRONMENT_SIGNATURE="cpython-3.14-64bit" PYO3_PYTHON="/tmp/tmpil1fof_a/venv/bin/python" PYTHON_SYS_EXECUTABLE="/tmp/tmpil1fof_a/venv/bin/python" "cargo" "rustc" "--message-format" "json-render-diagnostics" "--locked" "--manifest-path" "/tmp/pip-install-9cn8bao5/cryptography_7195693e97bf415da85c4422778be288/src/rust/Cargo.toml" "--release" "--lib"`
      Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/tmp/tmpil1fof_a/venv/bin/python', '--compatibility', 'off'] returned non-zero exit status 1
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for cryptography
ERROR: Failed to build installable wheels for some pyproject.toml based projects (cryptography)

  error: subprocess-exited-with-error
  
  × Building wheel for cryptography (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [16 lines of output]
      Running `maturin pep517 build-wheel -i /tmp/tmpq0wlmrrp/venv/bin/python --compatibility off`
      🍹 Building a mixed python/rust project
      🔗 Found pyo3 bindings with abi3 support
      🐍 Found CPython 3.14t at /tmp/tmpq0wlmrrp/venv/bin/python
      📡 Using build options locked from pyproject.toml
      ⚠️ Warning: CPython 3.14t at /tmp/tmpq0wlmrrp/venv/bin/python does not yet support abi3 so the build artifacts will be version-specific.
      warning: /tmp/pip-install-8z66edkd/cryptography_ba9dbbeeb01748b9afe50e01eb82b37f/src/rust/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-8z66edkd/cryptography_ba9dbbeeb01748b9afe50e01eb82b37f/src/rust/cryptography-openssl/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-8z66edkd/cryptography_ba9dbbeeb01748b9afe50e01eb82b37f/src/rust/cryptography-cffi/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-8z66edkd/cryptography_ba9dbbeeb01748b9afe50e01eb82b37f/src/rust/cryptography-key-parsing/Cargo.toml: unused manifest key: lints
      error: package `cryptography-openssl v0.1.0 (/tmp/pip-install-8z66edkd/cryptography_ba9dbbeeb01748b9afe50e01eb82b37f/src/rust/cryptography-openssl)` cannot be built because it requires rustc 1.74.0 or newer, while the currently active rustc version is 1.63.0
      
      💥 maturin failed
        Caused by: Failed to build a native library through cargo
        Caused by: Cargo build finished with "exit status: 101": `env -u CARGO PYO3_ENVIRONMENT_SIGNATURE="cpython-3.14-64bit" PYO3_PYTHON="/tmp/tmpq0wlmrrp/venv/bin/python" PYTHON_SYS_EXECUTABLE="/tmp/tmpq0wlmrrp/venv/bin/python" "cargo" "rustc" "--message-format" "json-render-diagnostics" "--locked" "--manifest-path" "/tmp/pip-install-8z66edkd/cryptography_ba9dbbeeb01748b9afe50e01eb82b37f/src/rust/Cargo.toml" "--release" "--lib"`
      Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/tmp/tmpq0wlmrrp/venv/bin/python', '--compatibility', 'off'] returned non-zero exit status 1
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for cryptography
error: failed-wheel-build-for-install

× Failed to build installable wheels for some pyproject.toml based projects
╰─> cryptography

  error: subprocess-exited-with-error
  
  × Preparing metadata (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [10 lines of output]
      Checking for Rust toolchain....
      Running `maturin pep517 write-dist-info --metadata-directory /tmp/pip-modern-metadata-5ma9k7v8 --interpreter /tmp/tmp4u4wv3ss/venv/bin/python`
      error: failed to parse lock file at: /tmp/pip-install-9zp61mrk/rpds-py_f3622ba5a9e84d60bdde5da4eaa814b2/Cargo.lock
      
      Caused by:
        lock file version `4` was found, but this version of Cargo does not understand this lock file, perhaps Cargo needs to be updated?
      💥 maturin failed
        Caused by: Cargo metadata failed. Does your crate compile with `cargo build`?
        Caused by: `cargo metadata` exited with an error:
      Error running maturin: Command '['maturin', 'pep517', 'write-dist-info', '--metadata-directory', '/tmp/pip-modern-metadata-5ma9k7v8', '--interpreter', '/tmp/tmp4u4wv3ss/venv/bin/python']' returned non-zero exit status 1.
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.

  error: subprocess-exited-with-error
  
  × Preparing metadata (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [10 lines of output]
      Checking for Rust toolchain....
      Running `maturin pep517 write-dist-info --metadata-directory /tmp/pip-modern-metadata-r584elox --interpreter /tmp/tmpgabs6aa9/venv/bin/python`
      error: failed to parse lock file at: /tmp/pip-install-nxljwot9/rpds-py_c5b612c661bc45b2b5d2a3516cbc16e2/Cargo.lock
      
      Caused by:
        lock file version `4` was found, but this version of Cargo does not understand this lock file, perhaps Cargo needs to be updated?
      💥 maturin failed
        Caused by: Cargo metadata failed. Does your crate compile with `cargo build`?
        Caused by: `cargo metadata` exited with an error:
      Error running maturin: Command '['maturin', 'pep517', 'write-dist-info', '--metadata-directory', '/tmp/pip-modern-metadata-r584elox', '--interpreter', '/tmp/tmpgabs6aa9/venv/bin/python']' returned non-zero exit status 1.
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.