this derivation will be built:
  /nix/store/9rzjpfddjfnp7h5cgiakn52q75gdnkpx-treefmt-check.drv
building '/nix/store/9rzjpfddjfnp7h5cgiakn52q75gdnkpx-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/9rzjpfddjfnp7h5cgiakn52q75gdnkpx-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building 9rzjpfddjfnp7h5cgiakn52q75gdnkpx-treefmt-check.drv