this derivation will be built:
  /nix/store/rg5bkixdyvn8f1xrhws0d725g346wn0c-treefmt-check.drv
building '/nix/store/rg5bkixdyvn8f1xrhws0d725g346wn0c-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/rg5bkixdyvn8f1xrhws0d725g346wn0c-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building rg5bkixdyvn8f1xrhws0d725g346wn0c-treefmt-check.drv
treefmt-check> traversed 575 files
treefmt-check> emitted 384 files for processing
treefmt-check> formatted 384 files (0 changed) in 2.592s