these 4 derivations will be built:
  /nix/store/dppwswzim0p9w53y7vc6x6n45ni35w60-python3.14-types-icalendar-6.3.2.20260223.drv
  /nix/store/nag3z2hr7ybhbhjjvnhn97g814sy5y3d-treefmt.toml.drv
  /nix/store/czip90jg40ci31c60v1dd42hf9bwfn7q-treefmt.drv
  /nix/store/37b9zaa8vlz4wv4jksj4j2mpfqx51mx3-treefmt-check.drv
these 5 paths will be fetched (58.8 KiB download, 211.9 KiB unpacked):
  /nix/store/145rjm9gaaw4vb74nib7cyjvg5avf1j6-python3.14-types-beautifulsoup4-4.12.0.20250516
  /nix/store/w3f0zrj1lh5plmgngkj0sz8vw5nm61zl-python3.14-types-html5lib-1.1.11.20260518
  /nix/store/7g8m0jg8j448ppv5pjpadpwbc30f98jr-python3.14-types-python-dateutil-2.9.0.20251115
  /nix/store/z9dyibnvkd7wki3jr4ahwi98rzwlvz6v-python3.14-types-pytz-2026.1.1.20260304
  /nix/store/ibagysgjp94vbzmyyqgyysqf7fzvxg32-python3.14-types-webencodings-0.6.0.20260827
Failed to find a machine for remote build!
derivation: dppwswzim0p9w53y7vc6x6n45ni35w60-python3.14-types-icalendar-6.3.2.20260223.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/37b9zaa8vlz4wv4jksj4j2mpfqx51mx3-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/7fysnkvyimc6sy319yxqaqkyr9yrg5sq-treefmt-check
       Last 25 log lines:
       >
       > CPY001 Missing copyright notice at top of file
       > --> calendar-cli/tests/test_cache.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> calendar-cli/tests/test_cli.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> calendar-cli/tests/test_import.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> calendar-cli/tests/test_invite.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> calendar-cli/tests/test_reply.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> calendar-cli/tests/test_store.py:1:1
       >
       > Found 23 errors.
       >
       > traversed 188 files
       > emitted 166 files for processing
       > formatted 81 files (8 changed) in 3.82s
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/37b9zaa8vlz4wv4jksj4j2mpfqx51mx3-treefmt-check.drv