these 3 derivations will be built:
  /nix/store/xdjfgs20i2gd1sflma0p4x9lvyxliw9d-treefmt.toml.drv
  /nix/store/h6apwbx68j7dmaimmmv356hab7qsd0dj-treefmt.drv
  /nix/store/cn2miv74xdnmlqjrxviki19nb6ba58az-treefmt-check.drv
these 2 paths will be fetched (882.3 KiB download, 2.3 MiB unpacked):
  /nix/store/i2nmvv26dvf0yjx45gv44xdxz2wfhvp9-nixf-2.9.1
  /nix/store/gaflh015j336v23qx70007swf9g8472h-nixf-diagnose-0.1.4
building '/nix/store/xdjfgs20i2gd1sflma0p4x9lvyxliw9d-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
treefmt.toml> 
building '/nix/store/h6apwbx68j7dmaimmmv356hab7qsd0dj-treefmt.drv'
building '/nix/store/cn2miv74xdnmlqjrxviki19nb6ba58az-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 13 files
treefmt-check> emitted 9 files for processing
treefmt-check> formatted 9 files (0 changed) in 69ms