this derivation will be built:
  /nix/store/q5pb9g3zjxdx9yjxx34pxa3df12ij1bs-integration-signal-0.1.0.drv
these 3 paths will be fetched (112.1 KiB download, 16.4 MiB unpacked):
  /nix/store/zn1jsv5nk7c89cacwk6ffyda5ndm7da0-libimagequant-4.4.1
  /nix/store/2fwiimdk8289pp3fd0k413dyj05q85ll-python3.14-pillow-12.3.0
  /nix/store/k62wi4lca2q9qagsrd1k8gh4g3ysyyvc-python3.14-qrcode-8.2
building '/nix/store/q5pb9g3zjxdx9yjxx34pxa3df12ij1bs-integration-signal-0.1.0.drv'
integration-signal-0.1.0> Sourcing python-remove-tests-dir-hook
integration-signal-0.1.0> Sourcing python-catch-conflicts-hook.sh
integration-signal-0.1.0> Sourcing python-remove-bin-bytecode-hook.sh
integration-signal-0.1.0> Sourcing pypa-build-hook
integration-signal-0.1.0> Using pypaBuildPhase
integration-signal-0.1.0> Sourcing python-runtime-deps-check-hook
integration-signal-0.1.0> Using pythonRuntimeDepsCheckHook
integration-signal-0.1.0> Sourcing pypa-install-hook
integration-signal-0.1.0> Using pypaInstallPhase
integration-signal-0.1.0> Sourcing python-imports-check-hook.sh
integration-signal-0.1.0> Using pythonImportsCheckPhase
integration-signal-0.1.0> Sourcing python-namespaces-hook
integration-signal-0.1.0> Sourcing python-catch-conflicts-hook.sh
integration-signal-0.1.0> Sourcing pytest-check-hook
integration-signal-0.1.0> Using pytestCheckPhase
integration-signal-0.1.0> Running phase: unpackPhase
integration-signal-0.1.0> unpacking source archive /nix/store/y4f5c1hn8k60snq6dm21nsi36qigb9k4-integration-signal
integration-signal-0.1.0> source root is integration-signal
integration-signal-0.1.0> setting SOURCE_DATE_EPOCH to timestamp 315619200 of file "integration-signal/test_integration_signal_setup.py"
integration-signal-0.1.0> Running phase: patchPhase
integration-signal-0.1.0> Running phase: updateAutotoolsGnuConfigScriptsPhase
integration-signal-0.1.0> Running phase: configurePhase
integration-signal-0.1.0> no configure script, doing nothing
integration-signal-0.1.0> Running phase: buildPhase
integration-signal-0.1.0> Executing pypaBuildPhase
integration-signal-0.1.0> Creating a wheel...
integration-signal-0.1.0> pypa build flags: --no-isolation --outdir dist/ --wheel
integration-signal-0.1.0> * Getting build dependencies for wheel...
integration-signal-0.1.0> * Building wheel...
integration-signal-0.1.0> Successfully built integration_signal-0.1.0-py3-none-any.whl
integration-signal-0.1.0> Finished creating a wheel...
integration-signal-0.1.0> Finished executing pypaBuildPhase
integration-signal-0.1.0> Running phase: pythonRuntimeDepsCheckHook
integration-signal-0.1.0> Executing pythonRuntimeDepsCheck
integration-signal-0.1.0> Checking runtime dependencies for integration_signal-0.1.0-py3-none-any.whl
integration-signal-0.1.0> Finished executing pythonRuntimeDepsCheck
integration-signal-0.1.0> Running phase: installPhase
integration-signal-0.1.0> Executing pypaInstallPhase
integration-signal-0.1.0> Successfully installed integration_signal-0.1.0-py3-none-any.whl
integration-signal-0.1.0> Finished executing pypaInstallPhase
integration-signal-0.1.0> Running phase: pythonOutputDistPhase
integration-signal-0.1.0> Executing pythonOutputDistPhase
integration-signal-0.1.0> Finished executing pythonOutputDistPhase
integration-signal-0.1.0> Running phase: fixupPhase
integration-signal-0.1.0> shrinking RPATHs of ELF executables and libraries in /nix/store/yf68r2b4fl312pr10nk9iyadzrdggxsy-integration-signal-0.1.0
integration-signal-0.1.0> checking for references to /build/ in /nix/store/yf68r2b4fl312pr10nk9iyadzrdggxsy-integration-signal-0.1.0...
integration-signal-0.1.0> patching script interpreter paths in /nix/store/yf68r2b4fl312pr10nk9iyadzrdggxsy-integration-signal-0.1.0
integration-signal-0.1.0> stripping (with command strip and flags -S -p) in /nix/store/yf68r2b4fl312pr10nk9iyadzrdggxsy-integration-signal-0.1.0/lib /nix/store/yf68r2b4fl312pr10nk9iyadzrdggxsy-integration-signal-0.1.0/bin
integration-signal-0.1.0> shrinking RPATHs of ELF executables and libraries in /nix/store/jqq3w4mbc70j2w9xpbkb516xg789720d-integration-signal-0.1.0-dist
integration-signal-0.1.0> checking for references to /build/ in /nix/store/jqq3w4mbc70j2w9xpbkb516xg789720d-integration-signal-0.1.0-dist...
integration-signal-0.1.0> patching script interpreter paths in /nix/store/jqq3w4mbc70j2w9xpbkb516xg789720d-integration-signal-0.1.0-dist
integration-signal-0.1.0> Rewriting #!/nix/store/b5bpi6zfajzzrwwpgba2q6li3nnya4bs-python3-3.14.7/bin/python3.14 to #!/nix/store/b5bpi6zfajzzrwwpgba2q6li3nnya4bs-python3-3.14.7
integration-signal-0.1.0> wrapping `/nix/store/yf68r2b4fl312pr10nk9iyadzrdggxsy-integration-signal-0.1.0/bin/integration-signal-setup'...
integration-signal-0.1.0> Rewriting #!/nix/store/b5bpi6zfajzzrwwpgba2q6li3nnya4bs-python3-3.14.7/bin/python3.14 to #!/nix/store/b5bpi6zfajzzrwwpgba2q6li3nnya4bs-python3-3.14.7
integration-signal-0.1.0> wrapping `/nix/store/yf68r2b4fl312pr10nk9iyadzrdggxsy-integration-signal-0.1.0/bin/integration-signal'...
integration-signal-0.1.0> Executing pythonRemoveTestsDir
integration-signal-0.1.0> Finished executing pythonRemoveTestsDir
integration-signal-0.1.0> Running phase: installCheckPhase
integration-signal-0.1.0> no Makefile or custom installCheckPhase, doing nothing
integration-signal-0.1.0> Running phase: pythonCatchConflictsPhase
integration-signal-0.1.0> Running phase: pythonRemoveBinBytecodePhase
integration-signal-0.1.0> Running phase: pythonImportsCheckPhase
integration-signal-0.1.0> Executing pythonImportsCheckPhase
integration-signal-0.1.0> Running phase: pytestCheckPhase
integration-signal-0.1.0> Executing pytestCheckPhase
integration-signal-0.1.0> pytest flags: -m pytest test_integration_signal.py test_integration_signal_setup.py
integration-signal-0.1.0> ============================= test session starts ==============================
integration-signal-0.1.0> platform linux -- Python 3.14.7, pytest-9.1.1, pluggy-1.6.0
integration-signal-0.1.0> rootdir: /build/integration-signal
integration-signal-0.1.0> configfile: pyproject.toml
integration-signal-0.1.0> collected 42 items                                                             
integration-signal-0.1.0> 
integration-signal-0.1.0> test_integration_signal.py ....................................          [ 85%]
integration-signal-0.1.0> test_integration_signal_setup.py ......                                  [100%]
integration-signal-0.1.0> 
integration-signal-0.1.0> ============================== 42 passed in 1.80s ==============================
integration-signal-0.1.0> Finished executing pytestCheckPhase
integration-signal-0.1.0> Running phase: pytestcachePhase
integration-signal-0.1.0> Running phase: pytestRemoveBytecodePhase

post-build step Upload to niks3: ok
time=2026-08-28T04:19:24.954Z level=INFO msg="Uploading 6 paths to 127.0.0.1 (52 already cached)"
time=2026-08-28T04:19:24.955Z level=INFO msg="Uploading f5gzhrx4s4x7waj1zy7mgz8rz2m4m65z-libraqm-0.11.0 (56.1KB)"
time=2026-08-28T04:19:24.956Z level=INFO msg="Uploading 2fwiimdk8289pp3fd0k413dyj05q85ll-python3.14-pillow-12.3.0 (5.1MB)"
time=2026-08-28T04:19:24.958Z level=INFO msg="Uploading f26ivlz8knm0ksmsl5gfx4immlas9j40-libavif-1.4.2 (1.1MB)"
time=2026-08-28T04:19:24.959Z level=INFO msg="Uploading k62wi4lca2q9qagsrd1k8gh4g3ysyyvc-python3.14-qrcode-8.2 (546.9KB)"
time=2026-08-28T04:19:24.961Z level=INFO msg="Uploading yf68r2b4fl312pr10nk9iyadzrdggxsy-integration-signal-0.1.0 (132.6KB)"
time=2026-08-28T04:19:24.962Z level=INFO msg="Uploading zn1jsv5nk7c89cacwk6ffyda5ndm7da0-libimagequant-4.4.1 (10.7MB)"
time=2026-08-28T04:19:25.874Z level=INFO msg="Uploading 32 narinfos"
time=2026-08-28T04:19:25.951Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=500 url="https://s3.eu-central-003.backblazeb2.com/geninf-cache/gkb9jhxirg79jv66m4yc2pkvn5za9glm.narinfo?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260828%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260828T041924Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=93045806f25d017bb1205a4c599cbc2a626d60d197279ba3444c076390436dc2"
time=2026-08-28T04:19:25.954Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=500 url="https://s3.eu-central-003.backblazeb2.com/geninf-cache/d3f7r44z2px98z479jgf7qdwqn96jgf6.narinfo?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260828%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260828T041924Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=2e35d0796c64f5da178ca07db8f22e173f65f1df82ba67ec06e082f01cfc566f"
time=2026-08-28T04:19:27.535Z level=INFO msg="Upload complete. (2.666s)"