1this derivation will be built:2 /nix/store/5h8gqfx9ddarnmp9k30a6v352hgvsrlz-withoutbg-1.5.0.drv3error: build of '/nix/store/5h8gqfx9ddarnmp9k30a6v352hgvsrlz-withoutbg-1.5.0.drv' on 'ssh-ng://nix-remote-builder@rofl-16.brkn.lol' failed: Cannot build '/nix/store/5h8gqfx9ddarnmp9k30a6v352hgvsrlz-withoutbg-1.5.0.drv'.4 Reason: builder failed with exit code 1.5 Output paths:6 /nix/store/4wwd5pc5v0aac0ll7h94wimh9g0fgm2h-withoutbg-1.5.07 /nix/store/8wj4fl3zzbdsjacdwd9d1kdvw8dzck5f-withoutbg-1.5.0-dist8 Last 25 log lines:9 > Using pythonImportsCheckPhase10 > Sourcing python-namespaces-hook11 > Sourcing python-catch-conflicts-hook.sh12 > Using checkPhaseThreadLimitHook13 > Running phase: unpackPhase14 > unpacking source archive /nix/store/b257phgaqhhiwzhp1z4pajhp5yn1vp9j-source15 > source root is source16 > setting SOURCE_DATE_EPOCH to timestamp 315619200 of file "source/uv.lock"17 > Running phase: patchPhase18 > Running phase: updateAutotoolsGnuConfigScriptsPhase19 > Running phase: configurePhase20 > no configure script, doing nothing21 > Running phase: buildPhase22 > Executing pypaBuildPhase23 > Creating a wheel...24 > pypa build flags: --no-isolation --outdir dist/ --wheel25 > * Getting build dependencies for wheel...26 > * Building wheel...27 > Successfully built withoutbg-1.5.0-py3-none-any.whl28 > Finished creating a wheel...29 > Finished executing pypaBuildPhase30 > Running phase: pythonRuntimeDepsCheckHook31 > Executing pythonRuntimeDepsCheck32 > Checking runtime dependencies for withoutbg-1.5.0-py3-none-any.whl33 > - opencv-python-headless not installed34 For full logs, run:35 nix log /nix/store/5h8gqfx9ddarnmp9k30a6v352hgvsrlz-withoutbg-1.5.0.drv36error: Cannot build '/nix/store/5h8gqfx9ddarnmp9k30a6v352hgvsrlz-withoutbg-1.5.0.drv'.37 Reason: builder failed with exit code 1.38 Output paths:39 /nix/store/4wwd5pc5v0aac0ll7h94wimh9g0fgm2h-withoutbg-1.5.040 /nix/store/8wj4fl3zzbdsjacdwd9d1kdvw8dzck5f-withoutbg-1.5.0-dist