this derivation will be built:
  /nix/store/gsfs0p8qcz6xlfxvwixkh24xw9cbgclb-treefmt-check.drv
cannot build 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': error: gRPC StoreInfo on 'farm.numtide.com:50051' failed: failed to connect to all addresses; last error: UNKNOWN: ipv4:65.21.215.17:50051: Failed to connect to remote host: connect() timed out
       hint: the server may have rejected the client certificate (untrusted CA or revoked).