structuredAttrs is enabled
Running phase: unpackPhase
unpacking source archive /nix/store/5z3dzc3gnwxq5kigvchw8kzc9kss277j-packaging-26.3.tar.gz
source root is packaging-26.3
setting SOURCE_DATE_EPOCH to timestamp 1785787087 of file "packaging-26.3/tests/test_version.py"
Running phase: patchPhase
Running phase: updateAutotoolsGnuConfigScriptsPhase
Running phase: configurePhase
no configure script, doing nothing
Running phase: buildPhase
Building wheel from /build/packaging-26.3
Wheel built /build/packaging-26.3/dist/packaging-26.3-py3-none-any.whl
Running phase: installPhase
Running phase: fixupPhase
shrinking RPATHs of ELF executables and libraries in /nix/store/79isggl2rmjm5m9iwr80rfd9ncnrdgln-python3.14-bootstrap-packaging-26.3
checking for references to /build/ in /nix/store/79isggl2rmjm5m9iwr80rfd9ncnrdgln-python3.14-bootstrap-packaging-26.3...
patching script interpreter paths in /nix/store/79isggl2rmjm5m9iwr80rfd9ncnrdgln-python3.14-bootstrap-packaging-26.3
stripping (with command strip and flags -S -p) in /nix/store/79isggl2rmjm5m9iwr80rfd9ncnrdgln-python3.14-bootstrap-packaging-26.3/lib