this derivation will be built:
  /nix/store/6v41n0v9nwfbz5ffnf46sn1ibhlg6hp6-treefmt-check.drv
building '/nix/store/6v41n0v9nwfbz5ffnf46sn1ibhlg6hp6-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/6v41n0v9nwfbz5ffnf46sn1ibhlg6hp6-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-79e33f10: building 6v41n0v9nwfbz5ffnf46sn1ibhlg6hp6-treefmt-check.drv
treefmt-check> treefmt v2.5.0traversed 1649 files
treefmt-check> emitted 425 files for processing
treefmt-check> formatted 425 files (0 changed) in 7.173s

upload niks3: ok