these 4 derivations will be built:
  /nix/store/c15nf0wwh79jhyf9mfgbbpr897z20mw0-harvest-exporter-0.1.0.drv
  /nix/store/q2ky2jzydsgmag81ibkqar718xdd6pgr-treefmt.toml.drv
  /nix/store/kh1wdk2p47ai94irb256vhaqxr2xcahv-treefmt.drv
  /nix/store/g0jf1nsnffjv2xq2p5y85sq4ky40xyix-treefmt-check.drv
these 2 paths will be fetched (25.7 KiB download, 100.0 KiB unpacked):
  /nix/store/ahqrmkrnp6bpm2kwjgzirpxmv528jkp8-python3.14-types-requests-2.32.4.20260107
  /nix/store/yyfi76llqipb2gyqbmks8nlgdn68i4w8-python3.14-types-urllib3-1.26.25.14
error: build of '/nix/store/g0jf1nsnffjv2xq2p5y85sq4ky40xyix-treefmt-check.drv' on 'ssh-ng://customer@mac02.m.ntd.one' failed: Cannot build '/nix/store/g0jf1nsnffjv2xq2p5y85sq4ky40xyix-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/84xv6lv6m1fxqhyg8i99ng8xh3qkrfky-treefmt-check
       Last 25 log lines:
       >
       > CPY001 Missing copyright notice at top of file
       > --> packages/harvest-invoicer/src/harvest_invoicer/db.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> packages/harvest-invoicer/src/harvest_invoicer/fetch.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> packages/harvest-invoicer/src/harvest_invoicer/i18n.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> packages/harvest-invoicer/src/harvest_invoicer/mail.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> packages/harvest-invoicer/src/harvest_invoicer/model.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> packages/harvest-invoicer/src/harvest_invoicer/render.py:1:1
       >
       > Found 16 errors (1 fixed, 15 remaining).
       >
       > traversed 200 files
       > emitted 115 files for processing
       > formatted 18 files (1 changed) in 19.917s
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/g0jf1nsnffjv2xq2p5y85sq4ky40xyix-treefmt-check.drv
error: Cannot build '/nix/store/g0jf1nsnffjv2xq2p5y85sq4ky40xyix-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/84xv6lv6m1fxqhyg8i99ng8xh3qkrfky-treefmt-check