this derivation will be built:
  /nix/store/kp9d5js0b9fsy6pxnif15nz2xy5br6ip-treefmt-check.drv
building '/nix/store/kp9d5js0b9fsy6pxnif15nz2xy5br6ip-treefmt-check.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/kp9d5js0b9fsy6pxnif15nz2xy5br6ip-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building kp9d5js0b9fsy6pxnif15nz2xy5br6ip-treefmt-check.drv
treefmt-check> traversed 573 files
treefmt-check> emitted 383 files for processing
treefmt-check> formatted 383 files (0 changed) in 8.187s