this derivation will be built:
  /nix/store/rqp66f8gsdvynxshrvml68wi2w6brnxv-treefmt-check.drv
building '/nix/store/rqp66f8gsdvynxshrvml68wi2w6brnxv-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/rqp66f8gsdvynxshrvml68wi2w6brnxv-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building rqp66f8gsdvynxshrvml68wi2w6brnxv-treefmt-check.drv
treefmt-check> treefmt v2.6.0traversed 103 files
treefmt-check> emitted 95 files for processing
treefmt-check> formatted 95 files (0 changed) in 594ms
could not copy /nix/store/hp152qragf636304y3swlwaprmlf4c7j-treefmt-check: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNKNOWN: ipv4:65.21.215.17:50051: tcp handshaker shutdown
error: some outputs are unexpectedly invalid