this derivation will be built:
  /nix/store/in5slj0xwh5k25l2zgap80k3ynyj0zlz-treefmt-check.drv
building '/nix/store/in5slj0xwh5k25l2zgap80k3ynyj0zlz-treefmt-check.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/in5slj0xwh5k25l2zgap80k3ynyj0zlz-treefmt-check.drv'
treefmt-check> traversed 446 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 1.602s

post-build step Upload to niks3: ok
time=2026-08-21T19:43:03.324Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-21T19:43:03.842Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-21T19:43:04.241Z level=INFO msg="Upload complete. (993ms)"