this derivation will be built:
  /nix/store/dw3i30w0fq5lj6lx0h8153rhp63pd4p6-treefmt-check.drv
building '/nix/store/dw3i30w0fq5lj6lx0h8153rhp63pd4p6-treefmt-check.drv'
treefmt-check> traversed 339 files
treefmt-check> emitted 163 files for processing
treefmt-check> formatted 163 files (0 changed) in 1.034s

post-build step Upload to niks3: ok
time=2026-09-17T13:05:12.082Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-17T13:05:12.364Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-17T13:05:12.896Z level=INFO msg="Upload complete. (836ms)"