this derivation will be built:
  /nix/store/3lka5hh4vf6zg18d2iiq93z7gxl0byry-treefmt-check.drv
building '/nix/store/3lka5hh4vf6zg18d2iiq93z7gxl0byry-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/3lka5hh4vf6zg18d2iiq93z7gxl0byry-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-67ba90d3: building 3lka5hh4vf6zg18d2iiq93z7gxl0byry-treefmt-check.drv
treefmt-check> traversed 532 files
treefmt-check> emitted 363 files for processing
treefmt-check> formatted 363 files (0 changed) in 9.371s

upload niks3: ok