this derivation will be built:
  /nix/store/6912yp0d0rz10jw9xv9ydd63jcc197rf-treefmt-check.drv
building '/nix/store/6912yp0d0rz10jw9xv9ydd63jcc197rf-treefmt-check.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/6912yp0d0rz10jw9xv9ydd63jcc197rf-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building 6912yp0d0rz10jw9xv9ydd63jcc197rf-treefmt-check.drv
treefmt-check> traversed 585 files
treefmt-check> emitted 391 files for processing
treefmt-check> formatted 391 files (0 changed) in 1.855s