this derivation will be built:
  /nix/store/ymymkzg69g0q23p7cyn01qq3pbsxfv3w-treefmt-check.drv
building '/nix/store/ymymkzg69g0q23p7cyn01qq3pbsxfv3w-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/ymymkzg69g0q23p7cyn01qq3pbsxfv3w-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building ymymkzg69g0q23p7cyn01qq3pbsxfv3w-treefmt-check.drv
treefmt-check> traversed 549 files
treefmt-check> emitted 372 files for processing
treefmt-check> formatted 372 files (0 changed) in 18.508s

upload niks3: ok