these 2 derivations will be built:
  /nix/store/kdx2xb8s27dpph73innzrd9n00qbj62m-flake-inputs.drv
  /nix/store/4w5p7i7wlpanhfl8h57va76cj4780fmh-check-flake-inputs.drv
building '/nix/store/kdx2xb8s27dpph73innzrd9n00qbj62m-flake-inputs.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/kdx2xb8s27dpph73innzrd9n00qbj62m-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building kdx2xb8s27dpph73innzrd9n00qbj62m-flake-inputs.drv
building '/nix/store/4w5p7i7wlpanhfl8h57va76cj4780fmh-check-flake-inputs.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/4w5p7i7wlpanhfl8h57va76cj4780fmh-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 4w5p7i7wlpanhfl8h57va76cj4780fmh-check-flake-inputs.drv