these 3 derivations will be built:
  /nix/store/f936axzxpq16sq5pky29wc47hh1m1qgj-treefmt.toml.drv
  /nix/store/jyc5qpfhwk7pizxkmbkciav4ssqgf9y9-treefmt.drv
  /nix/store/9iyxzjz8as0bfbql0q0dpld14vh69ihj-treefmt-check.drv
these 10 paths will be fetched (17.7 MiB download, 88.9 MiB unpacked):
  /nix/store/zscs3apwpkdxs8x8d7q3qpxnrxpwramc-python3.14-flit-core-3.12.0
  /nix/store/gnd62sj0bsd42w3c3qzqym3xdc48pnyw-python3.14-iniconfig-2.3.0
  /nix/store/qwrswc002vdjd0yc37dxwn0rwq6xdmxg-python3.14-librt-0.13.0
  /nix/store/51gl78yq0vvaqn0jib16wfhhfw3cp8i7-python3.14-mypy-2.1.0
  /nix/store/lrhz48bsbqwwvy1fwgibfx9bxlcf4dri-python3.14-mypy-extensions-1.1.0
  /nix/store/41h4rb8913wygidx5nkrh251h3j6b57j-python3.14-pathspec-1.1.1
  /nix/store/1skq916ah6w528frsqxlx8cd5n77d5hl-python3.14-pluggy-1.6.0
  /nix/store/5n9j5qylvdv3rz6z13kipfigrqzlih8p-python3.14-pygments-2.20.0
  /nix/store/w1pi66k6j250pbwlj94pqrx2aqkzv38z-python3.14-pytest-9.1.1
  /nix/store/sbkbh8j426c8myz53n8gyghhbr0m1fcr-python3.14-typing-extensions-4.16.0
error: build of '/nix/store/9iyxzjz8as0bfbql0q0dpld14vh69ihj-treefmt-check.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/9iyxzjz8as0bfbql0q0dpld14vh69ihj-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/6rcbnq7189w8vivbz7winl2h5ys0mw73-treefmt-check
       Last 25 log lines:
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_update.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_version_compare.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_version_prefix.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_version_regex_no_rev.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_version_sorting.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_yarn_berry_missing_hashes.py:1:1
       >
       > Found 79 errors (2 fixed, 77 remaining).
       >
       > traversed 158 files
       > emitted 143 files for processing
       > formatted 66 files (1 changed) in 173ms
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/9iyxzjz8as0bfbql0q0dpld14vh69ihj-treefmt-check.drv
error: Cannot build '/nix/store/9iyxzjz8as0bfbql0q0dpld14vh69ihj-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/6rcbnq7189w8vivbz7winl2h5ys0mw73-treefmt-check