this derivation will be built:
  /nix/store/v01dj10dmighpy9qdcagiqnfsnz6kkw0-treefmt-check.drv
building '/nix/store/v01dj10dmighpy9qdcagiqnfsnz6kkw0-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/v01dj10dmighpy9qdcagiqnfsnz6kkw0-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-1d05d380: building v01dj10dmighpy9qdcagiqnfsnz6kkw0-treefmt-check.drv
treefmt-check> treefmt v2.5.0traversed 2126 files
treefmt-check> emitted 518 files for processing
treefmt-check> formatted 518 files (0 changed) in 4.868s

upload niks3: ok