these 3 derivations will be built:
  /nix/store/x27j8n8rs8nd8qxihs71ik3hywiilc4r-treefmt.toml.drv
  /nix/store/fbymkwd68h3msdaiaijxdw5cj5vnm60i-treefmt.drv
  /nix/store/vgk3mycmri44y9528ng21c6qpdxinjzr-treefmt-check.drv
this path will be fetched (1.0 MiB download, 2.7 MiB unpacked):
  /nix/store/aawjx69vgxy7fnnbfgs7j1978zj32m9i-nixfmt-rs-0.5.3