Sourcing python-remove-tests-dir-hook Sourcing python-catch-conflicts-hook.sh Sourcing python-remove-bin-bytecode-hook.sh Sourcing pypa-build-hook Using pypaBuildPhase Sourcing python-runtime-deps-check-hook Using pythonRuntimeDepsCheckHook Sourcing pypa-install-hook Using pypaInstallPhase Sourcing python-imports-check-hook.sh Using pythonImportsCheckPhase Sourcing python-namespaces-hook Sourcing python-catch-conflicts-hook.sh Running phase: unpackPhase unpacking source archive /nix/store/b6gjrw6f1cr8ab5ajkci1fp14ih36r6a-source source root is source/flaxlib Executing cargoSetupPostUnpackHook unpacking source archive /nix/store/qwdcxscd05z75a3w9g4czbbjhbcbfa4l-flaxlib-0.0.1-a1-vendor.tar.gz Finished cargoSetupPostUnpackHook setting SOURCE_DATE_EPOCH to timestamp 315619200 of file source/flaxlib/uv.lock Running phase: patchPhase Executing cargoSetupPostPatchHook Validating consistency between /build/source/flaxlib/Cargo.lock and /build/flaxlib-0.0.1-a1-vendor.tar.gz/Cargo.lock Finished cargoSetupPostPatchHook Running phase: updateAutotoolsGnuConfigScriptsPhase Running phase: configurePhase no configure script, doing nothing Running phase: buildPhase Executing maturinBuildHook maturinBuildHook flags: --jobs=2 --offline --target aarch64-unknown-linux-gnu --manylinux off --strip --release --out /build/source/flaxlib/dist 📦 Including license file "/build/source/flaxlib/LICENSE" 🍹 Building a mixed python/rust project 🔗 Found pyo3 bindings 🐍 Found CPython 3.13 at /nix/store/hskvsfyapfx5sqk5mhcylzbjpxkr51f6-python3-3.13.1/bin/python3 📡 Using build options features from pyproject.toml Compiling target-lexicon v0.12.16 Compiling once_cell v1.20.0 Compiling autocfg v1.3.0 Compiling proc-macro2 v1.0.86 Compiling unicode-ident v1.0.13 Compiling pyo3-build-config v0.21.2 Compiling libc v0.2.158 Compiling quote v1.0.37 Compiling pyo3-ffi v0.21.2 Compiling lock_api v0.4.12 Compiling parking_lot_core v0.9.10 error: failed to run custom build command for `pyo3-ffi v0.21.2` Caused by: process didn't exit successfully: `/build/source/flaxlib/target/release/build/pyo3-ffi-9a7b3d33e95e00db/build-script-build` (exit status: 1) --- stdout cargo:rerun-if-env-changed=PYO3_CROSS cargo:rerun-if-env-changed=PYO3_CROSS_LIB_DIR cargo:rerun-if-env-changed=PYO3_CROSS_PYTHON_VERSION cargo:rerun-if-env-changed=PYO3_CROSS_PYTHON_IMPLEMENTATION cargo:rerun-if-env-changed=PYO3_PRINT_CONFIG cargo:rerun-if-env-changed=PYO3_USE_ABI3_FORWARD_COMPATIBILITY --- stderr error: the configured Python interpreter version (3.13) is newer than PyO3's maximum supported version (3.12) = help: please check if an updated version of PyO3 is available. Current version: 0.21.2 = help: set PYO3_USE_ABI3_FORWARD_COMPATIBILITY=1 to suppress this check and build anyway using the stable ABI warning: build failed, waiting for other jobs to finish... 💥 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-3.13-64bit" PYO3_PYTHON="/nix/store/hskvsfyapfx5sqk5mhcylzbjpxkr51f6-python3-3.13.1/bin/python3" PYTHON_SYS_EXECUTABLE="/nix/store/hskvsfyapfx5sqk5mhcylzbjpxkr51f6-python3-3.13.1/bin/python3" "cargo" "rustc" "--jobs" "2" "--features" "pyo3/extension-module" "--target" "aarch64-unknown-linux-gnu" "--message-format" "json-render-diagnostics" "--offline" "--manifest-path" "/build/source/flaxlib/Cargo.toml" "--release" "--lib" "--" "-C" "strip=symbols"`