this derivation will be built:
  /nix/store/j2n36c3p7yaqz2kk8q0i4203h4mqgjf3-treefmt-check.drv
building '/nix/store/j2n36c3p7yaqz2kk8q0i4203h4mqgjf3-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/j2n36c3p7yaqz2kk8q0i4203h4mqgjf3-treefmt-check.drv'
treefmt-check> traversed 434 files
treefmt-check> emitted 303 files for processing
treefmt-check> formatted 303 files (0 changed) in 16.148s

post-build step Upload to niks3: ok
time=2026-08-15T21:28:19.437Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-15T21:28:19.833Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-15T21:28:20.102Z level=INFO msg="Upload complete. (757ms)"