this derivation will be built:
  /nix/store/zs4sr1igs32nc8ll5a21jn8l6h462mgy-treefmt-check.drv
building '/nix/store/zs4sr1igs32nc8ll5a21jn8l6h462mgy-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/zs4sr1igs32nc8ll5a21jn8l6h462mgy-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-c5d8a7c5: building zs4sr1igs32nc8ll5a21jn8l6h462mgy-treefmt-check.drv
treefmt-check> traversed 555 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 4.216s