these 3 derivations will be built:
  /nix/store/jksg77mkxf00hfw936j6xpivgvjw9avv-treefmt.toml.drv
  /nix/store/phdb5kidsg14k361fv3dhz9vck77fgn9-treefmt.drv
  /nix/store/6ldkw4zwmn2axi1daprlsxsslf14g6f1-treefmt-check.drv
this path will be fetched (258.0 KiB download, 583.5 KiB unpacked):
  /nix/store/a8snvaw47y3l6ar6nr92ggs6x9vjqv8g-json2x-0.1.0
building '/nix/store/jksg77mkxf00hfw936j6xpivgvjw9avv-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/phdb5kidsg14k361fv3dhz9vck77fgn9-treefmt.drv'
treefmt> structuredAttrs is enabled
building '/nix/store/6ldkw4zwmn2axi1daprlsxsslf14g6f1-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 30 files
treefmt-check> emitted 26 files for processing
treefmt-check> formatted 26 files (0 changed) in 70ms

post-build step Route build to niks3: ok
Pushing mulatta/zhost to https://niks3.mulatta.io
time=2026-10-08T06:44:49.097+09:00 level=INFO msg="Uploading 0 paths to niks3.mulatta.io (1 already cached)"
time=2026-10-08T06:44:49.490+09:00 level=INFO msg="Uploading 1 narinfos"
time=2026-10-08T06:44:49.826+09:00 level=INFO msg="Upload complete. (896ms)"