these 4 derivations will be built:
  /nix/store/wwpihpq643m6fgc8hgmgmvqsgm2g9jsv-python3.14-types-icalendar-6.3.2.20260223.drv
  /nix/store/jpikrp37hb3688f6qy21n1zwxviwfzkb-treefmt.toml.drv
  /nix/store/q5wvdh2x9zfpd52ahdpx2sxywzkfwnx2-treefmt.drv
  /nix/store/p5fgc8wl1sv0lzsy7qk9ab8giy9r4ayc-treefmt-check.drv
these 5 paths will be fetched (58.8 KiB download, 211.5 KiB unpacked):
  /nix/store/17hv54wsqwr4lf8jiap2qlh7bgfw6rdj-python3.14-types-beautifulsoup4-4.12.0.20250516
  /nix/store/2cv27dd8bskn2kh505x4q41dnqns1h2y-python3.14-types-html5lib-1.1.11.20260518
  /nix/store/9bnh3hjfy3am2q435md5n5qw6d5zypay-python3.14-types-python-dateutil-2.9.0.20251115
  /nix/store/h6wf32h6m6c7x333yiy5nrndssbfqnxd-python3.14-types-pytz-2026.1.1.20260304
  /nix/store/rj9bf6brgq5qdv5fd6fh5vj9x8lcjkni-python3.14-types-webencodings-0.5.0.20260408
error: build of '/nix/store/p5fgc8wl1sv0lzsy7qk9ab8giy9r4ayc-treefmt-check.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/p5fgc8wl1sv0lzsy7qk9ab8giy9r4ayc-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/8w72c0ym5kvx5f2x9azns68z0srsb4l5-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 2.485s
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/p5fgc8wl1sv0lzsy7qk9ab8giy9r4ayc-treefmt-check.drv
error: Cannot build '/nix/store/p5fgc8wl1sv0lzsy7qk9ab8giy9r4ayc-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/8w72c0ym5kvx5f2x9azns68z0srsb4l5-treefmt-check