this derivation will be built:
  /nix/store/s30pgad4j3vbc24vzxprbyh3ddzq4f7i-nixpkgs-review.drv
error: Cannot build '/nix/store/s30pgad4j3vbc24vzxprbyh3ddzq4f7i-nixpkgs-review.drv'.
       Reason: builder failed with exit code 2.
       Output paths:
         /nix/store/b455ljlipz3z4w7i9rl3qlq928n9drym-nixpkgs-review
         /nix/store/gshak9hii28g261sd0ycc5fmfc37zhzn-nixpkgs-review-dist
       Last 25 log lines:
       >                 else:
       >                     # POSIX _communicate already populated the output so
       >                     # far into the TimeoutExpired exception.
       >                     process.wait()
       >                 raise
       >             except:  # Including KeyboardInterrupt, communicate handled that.
       >                 process.kill()
       >                 # We don't call process.wait() as .__exit__ does that for us.
       >                 raise
       >             retcode = process.poll()
       >             if check and retcode:
       > >               raise CalledProcessError(retcode, process.args,
       >                                          output=stdout, stderr=stderr)
       > E               subprocess.CalledProcessError: Command '['nix-instantiate', '--eval', '--strict', '--json', '--expr', 'builtins.attrNames (import /private/var/tb/8/scratch/c99d1fce3404514a/build/source/nixpkgs_review/nix/evalAttrs.nix { attr-json = /private/var/tb/8/scratch/c99d1fce3404514a/build/pytest-of-_tribuchetbld8/pytest-0/popen-gw3/test_eval_tests_single_tests2_0/attrs.json; include-tests = true; }).${builtins.currentSystem}']' returned non-zero exit status 1.
       >
       > /nix/store/0jb1qn7qnpbz8774mq5k2c1p84gp0x76-python3-3.14.8/lib/python3.14/subprocess.py:578: CalledProcessError
       > =========================== short test summary info ============================
       > FAILED tests/test_eval.py::test_eval_tests[overridden-tests1-True] - subproce...
       > FAILED tests/test_eval.py::test_eval_tests[selfReferencing-tests0-False] - su...
       > FAILED tests/test_eval.py::test_eval_tests[selfReferencing-tests0-True] - sub...
       > FAILED tests/test_eval.py::test_eval_tests[group-tests3-True] - subprocess.Ca...
       > FAILED tests/test_eval.py::test_eval_tests[single-tests2-True] - subprocess.C...
       > !!!!!!!!!!!!!!!!!!!!!!!!!! stopping after 5 failures !!!!!!!!!!!!!!!!!!!!!!!!!!!
       > !!!!!!!!!!!! xdist.dsession.Interrupted: stopping after 1 failures !!!!!!!!!!!!!
       > =================== 5 failed, 21 passed, 1 skipped in 4.34s ====================
       For full logs, run:
         nix log /nix/store/s30pgad4j3vbc24vzxprbyh3ddzq4f7i-nixpkgs-review.drv