these 3 derivations will be built:
  /nix/store/m37dpya3g12v6ldwwdhc05dafd0nb4s7-treefmt.toml.drv
  /nix/store/m432sax8jpzgvmglh5zlgmg6y5cdkp9z-treefmt.drv
  /nix/store/2gk09iy5bh8v2zv1kaajyra9i34mk3vk-treefmt-check.drv
these 3 paths will be fetched (6.7 MiB download, 16.8 MiB unpacked):
  /nix/store/znvkn5yky0cq9npv4xnii8dlq400lkr1-git-lfs-3.7.1
  /nix/store/a8snvaw47y3l6ar6nr92ggs6x9vjqv8g-json2x-0.1.0
  /nix/store/99q8vs3whpv8ygimggsw0q0h4iljm5wd-keep-sorted-0.10.0
building '/nix/store/m37dpya3g12v6ldwwdhc05dafd0nb4s7-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/m432sax8jpzgvmglh5zlgmg6y5cdkp9z-treefmt.drv'
treefmt> structuredAttrs is enabled
building '/nix/store/2gk09iy5bh8v2zv1kaajyra9i34mk3vk-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 23 files
treefmt-check> emitted 20 files for processing
treefmt-check> formatted 20 files (0 changed) in 79ms

post-build step Route build to niks3: ok
Pushing mulatta/dagster-nix to https://niks3.mulatta.io
time=2026-09-16T05:59:57.107+09:00 level=INFO msg="Uploading 0 paths to niks3.mulatta.io (1 already cached)"
time=2026-09-16T05:59:57.664+09:00 level=INFO msg="Uploading 1 narinfos"
time=2026-09-16T05:59:58.119+09:00 level=INFO msg="Upload complete. (1.156s)"