this derivation will be built:
  /nix/store/9y0m3l52wmy29c63da64p3fg8yc13zvj-treefmt-check.drv
building '/nix/store/9y0m3l52wmy29c63da64p3fg8yc13zvj-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'
warning: 9y0m3l52wmy29c63da64p3fg8yc13zvj-treefmt-check.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}, waiting up to 120s for a worker
building '/nix/store/9y0m3l52wmy29c63da64p3fg8yc13zvj-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-952b3f3a: building 9y0m3l52wmy29c63da64p3fg8yc13zvj-treefmt-check.drv
treefmt-check> treefmt v2.4.0traversed 264 files
treefmt-check> emitted 143 files for processing
treefmt-check> formatted 143 files (1 changed) in 371ms

upload niks3: ok