this derivation will be built:
  /nix/store/qdp6f4iclchpyqvj2dbxq8r4mh59zdzn-treefmt-check.drv
building '/nix/store/qdp6f4iclchpyqvj2dbxq8r4mh59zdzn-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/qdp6f4iclchpyqvj2dbxq8r4mh59zdzn-treefmt-check.drv'
treefmt-check> traversed 436 files
treefmt-check> emitted 311 files for processing
treefmt-check> formatted 311 files (0 changed) in 19.551s

post-build step Upload to niks3: ok
time=2026-08-13T10:01:00.433Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-13T10:01:00.840Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-13T10:01:01.152Z level=INFO msg="Upload complete. (786ms)"