these 4 derivations will be built:
  /nix/store/40gkbiwmaifpqnb49i0s643ixw2fa4g1-buildbot-4.3.0.drv
  /nix/store/98qbf4ymzpxnwhzsi4mw35ba934n360n-treefmt.toml.drv
  /nix/store/6dp36l2wjc6rcpy5yz02msph6aaihhw1-treefmt.drv
  /nix/store/r5rcyzrz71zncmaxji8qwx4zv6hzcn07-treefmt-check.drv
these 21 paths will be fetched (3.4 MiB download, 20.6 MiB unpacked):
  /nix/store/68rmldyrhpd11wq0mhh5yr0g0q5llwjk-python3.14-alembic-1.18.1
  /nix/store/yhgzlp4nhwgspl2n99fgr6k843yms538-python3.14-autobahn-25.12.2
  /nix/store/xwx7fgnq38sbv240js76vvd1za4dxw84-python3.14-buildbot_pkg-4.3.0
  /nix/store/8zkkzahrmvlkpf3y614fwvhq8brc2pxr-python3.14-buildbot_worker-4.3.0
  /nix/store/sc7vkxzyyaycr2srlcq558x961dikyhl-python3.14-buildbot_www-4.3.0
  /nix/store/44dj7r4d3ny87lpv1rv4pc5qml18x6vq-python3.14-importlib-resources-7.1.0
  /nix/store/20x9gcvg4h6d5vyy64q4sj2lxnl0ii79-python3.14-mock-5.2.0
  /nix/store/gxvpmc11qylwrypq5qz48mirk88bamwg-python3.14-multipart-2.0.0
  /nix/store/2bscf8ridn8xa9yh158igjncly2dd4pn-python3.14-parameterized-0.9.0
  /nix/store/8gin9rlqvirg7aca5p4h4f4m4ag4jv4h-python3.14-pyasn1-modules-0.4.2
  /nix/store/rz9185r5jzm6fswxrs4xwhjmfk3g6f5g-python3.14-pyopenssl-26.3.0
  /nix/store/s5ds1658vn50nlbsyr85p1vljln04rpw-python3.14-pyopenssl-26.3.0-dev
  /nix/store/si54jzg4c8226b45kpimdg5id3yx1rj6-python3.14-pypugjs-7.0.0
  /nix/store/9hlg4vf4d7gglfqb7qzbnbhcizxqqsab-python3.14-service-identity-26.1.0
  /nix/store/hr0frhbinj7zppfqh77dj4s39vgmkybg-python3.14-setuptools-trial-0.6.0
  /nix/store/vp8yfm2yil9xq060bq968m2iraj8hr4l-python3.14-treq-25.5.0
  /nix/store/wxlsyi6865jr9lq70z5vsyd5shnkzsq8-python3.14-txaio-25.12.2
  /nix/store/m6i25dzpbjkzvwm0k1qsk4b0brc4zl85-python3.14-txrequests-0.9.6
  /nix/store/f198hq48l3mbas02g84mqszgxzdrsda3-python3.14-types-requests-2.32.4.20260107
  /nix/store/5sjllyp8g0k0n2jj1jl2f64lfbxd541a-python3.14-types-urllib3-1.26.25.14
  /nix/store/rxybqz5yiam6mrbf0vwnjbgzmkshclaz-python3.14-unidiff-1.0.0
error: Cannot build '/nix/store/r5rcyzrz71zncmaxji8qwx4zv6hzcn07-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/mjhp4rbam273vprjggpxnjk33ssicqbf-treefmt-check
       Last 25 log lines:
       > CPY001 Missing copyright notice at top of file
       > --> buildbot_nix/buildbot_nix/scheduled.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> buildbot_nix/buildbot_nix/tests/__init__.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> buildbot_nix/buildbot_nix/tests/test_nix_eval_job.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> buildbot_nix/buildbot_nix/tests/test_pydantic_models.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> buildbot_nix/buildbot_nix/util.py:1:1
       >
       > CPY001 Missing copyright notice at top of file
       > --> buildbot_nix/buildbot_nix/worker.py:1:1
       >
       > Found 60 errors (10 fixed, 50 remaining).
       > No fixes available (1 hidden fix can be enabled with the `--unsafe-fixes` option).
       >
       > traversed 98 files
       > emitted 90 files for processing
       > formatted 42 files (6 changed) in 10.706s
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/r5rcyzrz71zncmaxji8qwx4zv6hzcn07-treefmt-check.drv