this derivation will be built:
  /nix/store/3zf4n5ga871d1h3sxv9y46znl2yf2c0d-treefmt-check.drv
building '/nix/store/3zf4n5ga871d1h3sxv9y46znl2yf2c0d-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-darwin'
building '/nix/store/3zf4n5ga871d1h3sxv9y46znl2yf2c0d-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building 3zf4n5ga871d1h3sxv9y46znl2yf2c0d-treefmt-check.drv
treefmt-check> traversed 549 files
treefmt-check> emitted 371 files for processing
treefmt-check> formatted 371 files (0 changed) in 1.796s

upload niks3: ok