these 2 derivations will be built:
  /nix/store/i052bgb26f14clk5vaq6dq4r4vli0b3b-t3code-0.1.2.drv
  /nix/store/5ihzjm24yqqilds4hvzjv2bcw6x15jq3-check-t3code.drv
building '/nix/store/5ihzjm24yqqilds4hvzjv2bcw6x15jq3-check-t3code.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=23&system=aarch64-darwin'
building '/nix/store/5ihzjm24yqqilds4hvzjv2bcw6x15jq3-check-t3code.drv' on farm.numtide.com:50051
check-t3code> mac02: building 5ihzjm24yqqilds4hvzjv2bcw6x15jq3-check-t3code.drv