these 4 derivations will be built:
  /nix/store/hxjn78phanjxmqc81bhjfyj9pds7k6gv-buildbot-4.3.0.drv
  /nix/store/k4h5bwpfrbfb6hais4vhrfz5l796dld0-treefmt.toml.drv
  /nix/store/8lqvwqxyi5555z918baphpl7n8nl5h93-treefmt.drv
  /nix/store/pdm5syqgdxdq25n1m35zdqy9d6yw34hd-treefmt-check.drv
these 10 paths will be fetched (2.3 MiB download, 14.9 MiB unpacked):
  /nix/store/2dkvsl5vpqn70c3cs0r5r7z6zl658cxy-python3.14-alembic-1.18.1
  /nix/store/9mwn034p9d8b13lrzh7s891wimwcbs4s-python3.14-autobahn-25.12.2
  /nix/store/5lpzzz48kcwrd0gjznwy48f5b7xn0454-python3.14-buildbot_worker-4.3.0
  /nix/store/vhfyqxqahrjf2qa9sqsmilg9r65camwd-python3.14-croniter-6.2.4
  /nix/store/rk6y02v8f8j9km2y5di0qqcz7nihhmq2-python3.14-importlib-resources-7.1.0
  /nix/store/j6ka43dgr646w5lsyqfcljz1kxv4367q-python3.14-treq-25.5.0
  /nix/store/9mil3xnbskigi601ygvbny46103jivh7-python3.14-txaio-25.12.2
  /nix/store/8cv9mvq0kmrm6jcj6y0jmp57xnkhvz3p-python3.14-types-requests-2.32.4.20260107
  /nix/store/61cdsykrby9rfdm2ln4n4bpqi7ak2vy0-python3.14-types-urllib3-1.26.25.14
  /nix/store/kack13vgzdw676k2mpxmvjmp2cgnq6pm-python3.14-unidiff-1.0.0
Failed to find a machine for remote build!
derivation: hxjn78phanjxmqc81bhjfyj9pds7k6gv-buildbot-4.3.0.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])
error: Cannot build '/nix/store/pdm5syqgdxdq25n1m35zdqy9d6yw34hd-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/39321mm49lqv85irwn5d7yi6ghbz6109-treefmt-check
       Last 25 log lines:
       > CPY001 Missing copyright notice at top of file
       > --> buildbot_nix/buildbot_nix/scheduled.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> buildbot_nix/buildbot_nix/tests/__init__.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> buildbot_nix/buildbot_nix/tests/test_nix_eval_job.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> buildbot_nix/buildbot_nix/tests/test_pydantic_models.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> buildbot_nix/buildbot_nix/util.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> buildbot_nix/buildbot_nix/worker.py:1:1
       >
       > Found 60 errors (10 fixed, 50 remaining).
       > No fixes available (1 hidden fix can be enabled with the `--unsafe-fixes` option).
       >
       > traversed 98 files
       > emitted 90 files for processing
       > formatted 42 files (6 changed) in 14.623s
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/pdm5syqgdxdq25n1m35zdqy9d6yw34hd-treefmt-check.drv