this derivation will be built:
  /nix/store/1f1cdka7n0q71j09ki6rd6pydkzqn1n4-treefmt-check.drv
building '/nix/store/1f1cdka7n0q71j09ki6rd6pydkzqn1n4-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=20&system=aarch64-darwin'
building '/nix/store/1f1cdka7n0q71j09ki6rd6pydkzqn1n4-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building 1f1cdka7n0q71j09ki6rd6pydkzqn1n4-treefmt-check.drv
treefmt-check> treefmt v2.5.0traversed 495 files
treefmt-check> emitted 305 files for processing
treefmt-check> formatted 305 files (0 changed) in 448ms

upload niks3: ok