this derivation will be built:
  /nix/store/q208kkrgdar8mf8g2x4fjij6avp6nsfh-treefmt-check.drv
building '/nix/store/q208kkrgdar8mf8g2x4fjij6avp6nsfh-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/q208kkrgdar8mf8g2x4fjij6avp6nsfh-treefmt-check.drv'
treefmt-check> traversed 437 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 6.215s

post-build step Upload to niks3: ok
time=2026-08-14T09:11:59.774Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-14T09:12:00.184Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-14T09:12:00.542Z level=INFO msg="Upload complete. (842ms)"