this derivation will be built:
  /nix/store/1xvvpvq1xyqs34k87rgqnrdqk9pc8cjy-treefmt-check.drv
building '/nix/store/1xvvpvq1xyqs34k87rgqnrdqk9pc8cjy-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-linux'
building '/nix/store/1xvvpvq1xyqs34k87rgqnrdqk9pc8cjy-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-30402bd3: building 1xvvpvq1xyqs34k87rgqnrdqk9pc8cjy-treefmt-check.drv
treefmt-check> treefmt v2.6.0traversed 273 files
treefmt-check> emitted 148 files for processing
treefmt-check> formatted 148 files (0 changed) in 535ms

upload niks3: ok