this derivation will be built:
  /nix/store/3b6il5c843wvx6jv3jg1kpjrmlf68sgm-treefmt-check.drv
building '/nix/store/3b6il5c843wvx6jv3jg1kpjrmlf68sgm-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=23&system=aarch64-linux'
building '/nix/store/3b6il5c843wvx6jv3jg1kpjrmlf68sgm-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-d29ff195: building 3b6il5c843wvx6jv3jg1kpjrmlf68sgm-treefmt-check.drv
treefmt-check> treefmt v2.6.0traversed 266 files
treefmt-check> emitted 144 files for processing
treefmt-check> formatted 144 files (0 changed) in 410ms

upload niks3: ok