these 3 derivations will be built:
  /nix/store/912f9r3imf1l5vb4ns98g7l9qy8k80y6-treefmt.toml.drv
  /nix/store/xkg8ngc2lb2zwyvzqhkpgdcwp2iwxc4z-treefmt.drv
  /nix/store/cvc890l9pvni165iqk70k8k7rd7jhvir-treefmt-check.drv
these 5 paths will be fetched (469.1 MiB download, 1.6 GiB unpacked):
  /nix/store/gmgfpzc0w2pgby0lmq9r88m39albiyfw-cargo-1.98.1
  /nix/store/kwbs82a1v1hy20plq2pjchaa0z85zy8w-llvm-21.1.8-lib
  /nix/store/53lvgpxsb3b9ghkgb4v0jra6zzlnyw8n-rustc-1.98.1
  /nix/store/hr3npzrq9l029s5hf948by203m6qz3lw-rustc-wrapper-1.98.1
  /nix/store/9a9y1zij83al5wqvdhx7lrs9b8cqv688-rustfmt-1.98.1
building '/nix/store/912f9r3imf1l5vb4ns98g7l9qy8k80y6-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/xkg8ngc2lb2zwyvzqhkpgdcwp2iwxc4z-treefmt.drv'
treefmt> structuredAttrs is enabled
building '/nix/store/cvc890l9pvni165iqk70k8k7rd7jhvir-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 23 files
treefmt-check> emitted 11 files for processing
treefmt-check> formatted 11 files (0 changed) in 88ms