this derivation will be built:
  /nix/store/vgkzn2n8c3a8labdjyy728hdngrrkfmc-treefmt-check.drv
building '/nix/store/vgkzn2n8c3a8labdjyy728hdngrrkfmc-treefmt-check.drv'
treefmt-check> traversed 426 files
treefmt-check> emitted 298 files for processing
treefmt-check> formatted 298 files (0 changed) in 17.841s

post-build step Upload to niks3: ok
time=2026-08-14T14:42:49.358Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-14T14:42:49.793Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-14T14:42:50.225Z level=INFO msg="Upload complete. (1.076s)"