these 3 derivations will be built:
  /nix/store/dc0g8ad29swwh93jrxi86wz2zqdjk7j8-treefmt.toml.drv
  /nix/store/l8k9s9jz70089dwrqfmn5csvl1hckqz1-treefmt.drv
  /nix/store/60zgv02rf0c01pd4rg4yry9agn2d82gh-treefmt-check.drv
error: build of '/nix/store/60zgv02rf0c01pd4rg4yry9agn2d82gh-treefmt-check.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/60zgv02rf0c01pd4rg4yry9agn2d82gh-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/pj5dba9p49v1b8gd6fjdm47mkidddxx0-treefmt-check
       Last 25 log lines:
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_benchmark.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_cli.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_command.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_git_revision.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_parser.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> tests/test_specs.py:1:1
       >
       > Found 17 errors.
       >
       > traversed 31 files
       > emitted 22 files for processing
       > formatted 5 files (0 changed) in 3.538s
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/60zgv02rf0c01pd4rg4yry9agn2d82gh-treefmt-check.drv
error: Cannot build '/nix/store/60zgv02rf0c01pd4rg4yry9agn2d82gh-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/pj5dba9p49v1b8gd6fjdm47mkidddxx0-treefmt-check