this derivation will be built:
  /nix/store/nadss2dc4i0pna4vacrxgbn5blv585n7-treefmt-check.drv
building '/nix/store/nadss2dc4i0pna4vacrxgbn5blv585n7-treefmt-check.drv'
treefmt-check> traversed 507 files
treefmt-check> emitted 270 files for processing
treefmt-check> formatted 270 files (0 changed) in 1.28s

post-build step Upload to niks3: ok
time=2026-09-20T20:31:58.743Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-20T20:31:59.425Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-20T20:31:59.659Z level=INFO msg="Upload complete. (937ms)"