these 3 derivations will be built:
  /nix/store/jf91pf1c0b49zcpn17axfsxnlylaizz6-treefmt.toml.drv
  /nix/store/ybbkr3mwd7adphl0k6fhzy65m80hqx6w-treefmt.drv
  /nix/store/2hfdci7qly9j7lxcndzk7q3fjw19yxgc-treefmt-check.drv
these 5 paths will be fetched (62.1 MiB download, 225.4 MiB unpacked):
  /nix/store/s9y67adfz3y0jk2jn32b4v4pizr8rvg2-deno-2.9.6
  /nix/store/6q1islax42sz99gjxgbnd8ln5jr6pix6-python3.14-flit-core-3.12.0
  /nix/store/smq3rfdvqzjicdqsy53cx6rapba149i3-python3.14-librt-0.13.0
  /nix/store/sdbvbk8zld19nz2nvx11lx2c3hbig3i0-python3.14-mypy-2.1.0
  /nix/store/z7s1hly9l893sdp8jvh1bcdhb9rrp769-python3.14-mypy-extensions-1.1.0