this derivation will be built:
  /nix/store/3b1csncblszdqpzk357blcaksacy6j7v-treefmt-check.drv
building '/nix/store/3b1csncblszdqpzk357blcaksacy6j7v-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=21&system=aarch64-linux'
building '/nix/store/3b1csncblszdqpzk357blcaksacy6j7v-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-cb9b0b2d: building 3b1csncblszdqpzk357blcaksacy6j7v-treefmt-check.drv
treefmt-check> traversed 558 files
treefmt-check> emitted 376 files for processing
treefmt-check> formatted 376 files (0 changed) in 9.692s

upload niks3: ok