these 3 derivations will be built:
  /nix/store/zpcb0b5rk3al9bi8jdrwdj8fjshch2hh-treefmt.toml.drv
  /nix/store/06k7j2mgs4jz3l09r2snixczw07lib79-treefmt.drv
  /nix/store/rbgnprllwdas6l7cvj2c2802p07w1ljn-treefmt-check.drv
these 11 paths will be fetched (6.9 MiB download, 22.7 MiB unpacked):
  /nix/store/3pszgxh7nlzi1kibvf06h1jh5jpam6zb-python3.13-cbor2-5.8.0
  /nix/store/l22fp7vhwvf6zvhk3mf7wmra6llb1pv7-python3.13-colorama-0.4.6
  /nix/store/mclvsxxbggf9v0lh98jpw8n79apb56v8-python3.13-remarshal-1.3.0
  /nix/store/7szlv37z4k1dz4b57h6hjkpv3rgxzbv1-python3.13-rich-argparse-1.7.2
  /nix/store/grx6892wf0s7dw1kjx3librplg1cgw06-python3.13-ruamel-base-1.0.0
  /nix/store/qa0cja0wgm7408k8z4bj84bx12scnpip-python3.13-ruamel-yaml-0.19.1
  /nix/store/jmmdz0vkj4cphlyf6y7gdngm5hfhwisl-python3.13-ruamel-yaml-clib-0.2.15
  /nix/store/07nsvnamhq2xpn0zixw2xbvizs43sj71-python3.13-tomli-2.4.0
  /nix/store/rahjag01h0a9dmi3iljk7y60aal13iyq-python3.13-tomlkit-0.14.0
  /nix/store/12gwm2lik7f59iyan5m7bh5ygpfv8664-python3.13-u-msgpack-python-2.8.0
  /nix/store/ywjbx0pbnabhbscywxkmyrmwp0m2086q-rustfmt-1.95.0
building '/nix/store/zpcb0b5rk3al9bi8jdrwdj8fjshch2hh-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
treefmt.toml> 
building '/nix/store/06k7j2mgs4jz3l09r2snixczw07lib79-treefmt.drv'
building '/nix/store/rbgnprllwdas6l7cvj2c2802p07w1ljn-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 21 files
treefmt-check> emitted 10 files for processing
treefmt-check> formatted 10 files (0 changed) in 80ms