these 3 derivations will be built:
  /nix/store/wbnmqpipjxqbs1p9pc03r7kd5yq4h7n0-treefmt.toml.drv
  /nix/store/bx81xlrmv3pg4h84m2sd1mhfxi9ri1nv-treefmt.drv
  /nix/store/29p4b4s5b3v30mgwvzxjnfi5swc63wmr-treefmt-check.drv
this path will be fetched (968.0 KiB download, 2.3 MiB unpacked):
  /nix/store/6sy6891s7hjnnw4y65g0y1b17n5k9yjl-nixfmt-rs-0.4.1
error: build of '/nix/store/29p4b4s5b3v30mgwvzxjnfi5swc63wmr-treefmt-check.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/29p4b4s5b3v30mgwvzxjnfi5swc63wmr-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/jp9hp2vgn4p0g7m8asqpvla1ir13d7wm-treefmt-check
       Last 25 log lines:
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_cli.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_github_integration.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_log_format.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_retry.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_term.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_tty_renderer.py:1:1
       >
       > Found 29 errors.
       > No fixes available (1 hidden fix can be enabled with the `--unsafe-fixes` option).
       >
       > traversed 47 files
       > emitted 37 files for processing
       > formatted 10 files (0 changed) in 302ms
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/29p4b4s5b3v30mgwvzxjnfi5swc63wmr-treefmt-check.drv
error: Cannot build '/nix/store/29p4b4s5b3v30mgwvzxjnfi5swc63wmr-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/jp9hp2vgn4p0g7m8asqpvla1ir13d7wm-treefmt-check