these 3 derivations will be built:
  /nix/store/x2sb70x4hrgm7dd9h5pmv4jdaz8inzy2-treefmt.toml.drv
  /nix/store/vyhi8v8byjkwiqk7vd3jsfarwa6npmj5-treefmt.drv
  /nix/store/1rqnlcxvy4in2rl5fd5lxbxwc6sqbk4p-treefmt-check.drv
these 3 paths will be fetched (1.8 MiB download, 6.7 MiB unpacked):
  /nix/store/bjdx869h7pccfvi2p6w19i9ljs6l076d-nixpkgs-fmt-1.3.0
  /nix/store/cqch7mw1j23bypg8wfbxa8pj48yi3xib-python3.14-black-26.5.1
  /nix/store/555inzy4svvxddyyhvnqmaw7bibvi90c-python3.14-pytokens-0.4.1
error: Cannot build '/nix/store/1rqnlcxvy4in2rl5fd5lxbxwc6sqbk4p-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/p23xlgs0g3ckrbygn7z540mljvpd1d80-treefmt-check
       Last 16 log lines:
       > tribuchet: building on eliza
       > treefmt v2.5.0ERRO formatter | python: failed to apply with options '[-eucx /nix/store/xvx8cx5zzjrhmb9ar0afxl0hik8jdj79-ruff-0.15.22/bin/ruff --fix "$@"
       > /nix/store/cqch7mw1j23bypg8wfbxa8pj48yi3xib-python3.14-black-26.5.1/bin/black "$@"
       >  --]': exit status 2
       >
       > + /nix/store/xvx8cx5zzjrhmb9ar0afxl0hik8jdj79-ruff-0.15.22/bin/ruff --fix tests/command.py tests/conftest.py tests/random_service.py tests/root.py tests/systemd_vaultd.py tests/tempdir.py tests/test_blocking_secret.py tests/test_socket_activation.py tests/test_vault.py
       > error: unexpected argument '--fix' found
       >
       > Usage: ruff [OPTIONS] <COMMAND>
       >
       > For more information, try '--help'.
       >
       > traversed 45 files
       > emitted 30 files for processing
       > formatted 21 files (1 changed) in 235ms
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/1rqnlcxvy4in2rl5fd5lxbxwc6sqbk4p-treefmt-check.drv