this derivation will be built:
  /nix/store/mwk019hj5jqpr03ff3sr93vzk2pkl1h8-treefmt-check.drv
building '/nix/store/mwk019hj5jqpr03ff3sr93vzk2pkl1h8-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/mwk019hj5jqpr03ff3sr93vzk2pkl1h8-treefmt-check.drv'
treefmt-check> traversed 462 files
treefmt-check> emitted 323 files for processing
treefmt-check> formatted 323 files (0 changed) in 14.811s

post-build step Upload to niks3: ok
time=2026-09-01T10:16:15.053Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-09-01T10:16:15.549Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T10:16:16.212Z level=INFO msg="Upload complete. (1.477s)"