this derivation will be built:
  /nix/store/irprlpkmklys8cy5knlmf1zymp89fiqn-treefmt-check.drv
building '/nix/store/irprlpkmklys8cy5knlmf1zymp89fiqn-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/irprlpkmklys8cy5knlmf1zymp89fiqn-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building irprlpkmklys8cy5knlmf1zymp89fiqn-treefmt-check.drv
treefmt-check> traversed 555 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 2.217s
could not copy /nix/store/i9z0ndh1ycz8q1a6vh8malqs1a4f7kyh-treefmt-check: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNKNOWN: ipv6:%5B2a01:4f9:3071:1fc8::1%5D:50051: handshaker shutdown
error: some outputs are unexpectedly invalid