Running phase: unpackPhase
unpacking source archive /nix/store/ay7gi3hnb2ksp737s78cmmmc0wckj5dc-packaging-26.2.tar.gz
source root is packaging-26.2
setting SOURCE_DATE_EPOCH to timestamp 1777059017 of file "packaging-26.2/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-26.2
Wheel built /build/packaging-26.2/dist/packaging-26.2-py3-none-any.whl
Running phase: installPhase
Running phase: fixupPhase
shrinking RPATHs of ELF executables and libraries in /nix/store/7cx81gsn6d97w3rr9qy5kzfn1vp853ln-python3.13-bootstrap-packaging-26.2
checking for references to /build/ in /nix/store/7cx81gsn6d97w3rr9qy5kzfn1vp853ln-python3.13-bootstrap-packaging-26.2...
patching script interpreter paths in /nix/store/7cx81gsn6d97w3rr9qy5kzfn1vp853ln-python3.13-bootstrap-packaging-26.2
stripping (with command strip and flags -S -p) in  /nix/store/7cx81gsn6d97w3rr9qy5kzfn1vp853ln-python3.13-bootstrap-packaging-26.2/lib