this derivation will be built:
  /nix/store/li3a7dv5y7vg9i8bd7m33ya5x5v14ni4-treefmt-check.drv
farm.numtide.com:50051: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.2:50051: tcp handshaker shutdown, retrying
farm.numtide.com:50051: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.2:50051: tcp handshaker shutdown, retrying
building '/nix/store/li3a7dv5y7vg9i8bd7m33ya5x5v14ni4-treefmt-check.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=21&system=aarch64-darwin'
building '/nix/store/li3a7dv5y7vg9i8bd7m33ya5x5v14ni4-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building li3a7dv5y7vg9i8bd7m33ya5x5v14ni4-treefmt-check.drv
treefmt-check> traversed 555 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 1.847s