these 3 derivations will be built:
  /nix/store/0azs042wnpmrrl0ia5q8dv7211303w68-treefmt.toml.drv
  /nix/store/v9mwsmyivj2bb6kbilyzaiq9pcgs8hzk-treefmt.drv
  /nix/store/aa6aaklw9ghgwwg555cn1cqccw6jw06c-treefmt-check.drv
these 2 paths will be fetched (15.5 MiB download, 74.2 MiB unpacked):
  /nix/store/l88fm1fh4i2nv2f3nx1gsyf92g4fma0i-actionlint-1.7.12
  /nix/store/51gl78yq0vvaqn0jib16wfhhfw3cp8i7-python3.14-mypy-2.1.0
error: build of '/nix/store/aa6aaklw9ghgwwg555cn1cqccw6jw06c-treefmt-check.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/aa6aaklw9ghgwwg555cn1cqccw6jw06c-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/y7yqff04hl899b9zz5fwmz6yza2bky1h-treefmt-check
       Last 25 log lines:
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_escape_attr.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_github_actions.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_nixpkgs.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_pr.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_rev.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_wip.py:1:1
       >
       > Found 34 errors (1 fixed, 33 remaining).
       >
       > traversed 62 files
       > emitted 46 files for processing
       > formatted 13 files (1 changed) in 4.961s
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/aa6aaklw9ghgwwg555cn1cqccw6jw06c-treefmt-check.drv
error: Cannot build '/nix/store/aa6aaklw9ghgwwg555cn1cqccw6jw06c-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/y7yqff04hl899b9zz5fwmz6yza2bky1h-treefmt-check