this derivation will be built:
  /nix/store/0c7lzkrlwb1wfb0q82ibjvwfnwgwc7wc-treefmt-check.drv
building '/nix/store/0c7lzkrlwb1wfb0q82ibjvwfnwgwc7wc-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=22&system=aarch64-linux'
building '/nix/store/0c7lzkrlwb1wfb0q82ibjvwfnwgwc7wc-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-b1a4a024: building 0c7lzkrlwb1wfb0q82ibjvwfnwgwc7wc-treefmt-check.drv
treefmt-check> traversed 554 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 14.954s
could not copy /nix/store/vslyllikgr0sk4mj6sna8mv8wjxl0blv-treefmt-check: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNKNOWN: ipv6:%5B2a01:4f9:3071:1fc8::1%5D:50051: connection attempt timed out before receiving SETTINGS frame
error: some outputs are unexpectedly invalid