this derivation will be built:
  /nix/store/2hmsswq5g5rxsfngkvf17ljqyj1vlp5v-treefmt-check.drv
building '/nix/store/2hmsswq5g5rxsfngkvf17ljqyj1vlp5v-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/2hmsswq5g5rxsfngkvf17ljqyj1vlp5v-treefmt-check.drv'
treefmt-check> traversed 449 files
treefmt-check> emitted 313 files for processing
treefmt-check> formatted 313 files (0 changed) in 5.373s

post-build step Upload to niks3: ok
time=2026-08-26T00:23:13.560Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-26T00:23:13.978Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-26T00:23:14.493Z level=INFO msg="Upload complete. (1.007s)"