these 4 derivations will be built:
  /nix/store/lr6yd8pmn782ry0qjxjigjd9wpqmv2b5-python3.14-types-icalendar-6.3.2.20260223.drv
  /nix/store/3qk5wnxas4kpf2ckzlqj1zd9k7id441m-treefmt.toml.drv
  /nix/store/6x647sh9mzjklwqn17lbjs7qvaqlm2b5-treefmt.drv
  /nix/store/alv44qh32ca4agmb7vj0xhwy38q88h9q-treefmt-check.drv
these 5 paths will be fetched (58.8 KiB download, 211.9 KiB unpacked):
  /nix/store/i611wfy31b0ibcws5sd7irbg7qbiqig0-python3.14-types-beautifulsoup4-4.12.0.20250516
  /nix/store/wy6nyi5jb7zz0s2wqf1ns18wax6w3j33-python3.14-types-html5lib-1.1.11.20260518
  /nix/store/dj0sdi8gxs3zw870y2w5xx1vq8nabzab-python3.14-types-python-dateutil-2.9.0.20251115
  /nix/store/qqdgf61phzikgshlwcb1jjzfs1kmghiy-python3.14-types-pytz-2026.1.1.20260304
  /nix/store/jw0q9m5kna1ixk0vv2dfr8v809wyip07-python3.14-types-webencodings-0.6.0.20260827
error: build of '/nix/store/alv44qh32ca4agmb7vj0xhwy38q88h9q-treefmt-check.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/alv44qh32ca4agmb7vj0xhwy38q88h9q-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/n3ybyasxszkd7n387idjshhs675ib2ap-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 2.075s
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/alv44qh32ca4agmb7vj0xhwy38q88h9q-treefmt-check.drv
error: Cannot build '/nix/store/alv44qh32ca4agmb7vj0xhwy38q88h9q-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/n3ybyasxszkd7n387idjshhs675ib2ap-treefmt-check