this derivation will be built:
  /nix/store/2rdmdw7lllhiv3xs5d7f2q6hcvcywvdb-treefmt-check.drv
building '/nix/store/2rdmdw7lllhiv3xs5d7f2q6hcvcywvdb-treefmt-check.drv'
treefmt-check> traversed 439 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 12.889s

post-build step Upload to niks3: ok
time=2026-08-20T00:19:02.874Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-20T00:19:03.314Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T00:19:03.636Z level=INFO msg="Upload complete. (869ms)"