this derivation will be built:
  /nix/store/9aqfm7b6vdcbpzif75cl99zf9iwjjv0q-treefmt-check.drv
building '/nix/store/9aqfm7b6vdcbpzif75cl99zf9iwjjv0q-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/9aqfm7b6vdcbpzif75cl99zf9iwjjv0q-treefmt-check.drv'
treefmt-check> traversed 440 files
treefmt-check> emitted 314 files for processing
treefmt-check> formatted 314 files (0 changed) in 6.45s

post-build step Upload to niks3: ok
time=2026-08-14T13:21:42.378Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-14T13:21:43.010Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-14T13:21:43.327Z level=INFO msg="Upload complete. (1.116s)"