these 3 derivations will be built:
  /nix/store/4sm4yz4iaf7v1yk4ca9d7fxq6pm5jafq-treefmt.toml.drv
  /nix/store/bv53j30gdbiq3ksv7hf8gm3rwn9b61bx-treefmt.drv
  /nix/store/gvh1h1hyk1gr9yk378j4wd86admr0fzd-treefmt-check.drv
this path will be fetched (3.8 MiB download, 12.6 MiB unpacked):
  /nix/store/gakca3q89iws07sifphm9m4b14v8adla-nufmt-0-unstable-2026-09-20
building '/nix/store/4sm4yz4iaf7v1yk4ca9d7fxq6pm5jafq-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/bv53j30gdbiq3ksv7hf8gm3rwn9b61bx-treefmt.drv'
treefmt> structuredAttrs is enabled
building '/nix/store/gvh1h1hyk1gr9yk378j4wd86admr0fzd-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 9 files
treefmt-check> emitted 4 files for processing
treefmt-check> formatted 4 files (0 changed) in 31ms

post-build step Route build to niks3: ok
Pushing mulatta/snippets to https://niks3.mulatta.io
time=2026-09-28T20:47:07.866+09:00 level=INFO msg="Uploading 0 paths to niks3.mulatta.io (1 already cached)"
time=2026-09-28T20:47:08.373+09:00 level=INFO msg="Uploading 1 narinfos"
time=2026-09-28T20:47:08.778+09:00 level=INFO msg="Upload complete. (1.122s)"