this derivation will be built:
  /nix/store/v3q9ylljgv4vhp9cya7rx0p05j0959c0-treefmt-check.drv
building '/nix/store/v3q9ylljgv4vhp9cya7rx0p05j0959c0-treefmt-check.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/v3q9ylljgv4vhp9cya7rx0p05j0959c0-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building v3q9ylljgv4vhp9cya7rx0p05j0959c0-treefmt-check.drv
treefmt-check> traversed 588 files
treefmt-check> emitted 392 files for processing
treefmt-check> formatted 392 files (0 changed) in 3.48s