this derivation will be built:
  /nix/store/8033cwjd0162368fw285xsz2dkshcpm9-treefmt-check.drv
building '/nix/store/8033cwjd0162368fw285xsz2dkshcpm9-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 78ms

post-build step Route build to niks3: ok
Pushing mulatta/dagster-nix to https://niks3.mulatta.io
time=2026-09-15T06:38:17.880+09:00 level=INFO msg="Uploading 0 paths to niks3.mulatta.io (1 already cached)"
time=2026-09-15T06:38:18.374+09:00 level=INFO msg="Uploading 1 narinfos"
time=2026-09-15T06:38:18.848+09:00 level=INFO msg="Upload complete. (1.041s)"