this derivation will be built:
  /nix/store/60snv5f3658cwi04h23qbs1wr69vl6bl-treefmt-check.drv
building '/nix/store/60snv5f3658cwi04h23qbs1wr69vl6bl-treefmt-check.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=22&system=aarch64-darwin'
building '/nix/store/60snv5f3658cwi04h23qbs1wr69vl6bl-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building 60snv5f3658cwi04h23qbs1wr69vl6bl-treefmt-check.drv
treefmt-check> treefmt v2.5.0traversed 1655 files
treefmt-check> emitted 424 files for processing
treefmt-check> formatted 424 files (0 changed) in 6.062s

upload niks3: ok