these 2 derivations will be built:
  /nix/store/39ibdh6qcp2s8fxdh3rhr0dhf02dwakm-flake-inputs.drv
  /nix/store/abr1ywrg0a46p2j98hhymhi3w7r5ng8z-check-flake-inputs.drv
building '/nix/store/39ibdh6qcp2s8fxdh3rhr0dhf02dwakm-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/39ibdh6qcp2s8fxdh3rhr0dhf02dwakm-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 39ibdh6qcp2s8fxdh3rhr0dhf02dwakm-flake-inputs.drv
building '/nix/store/abr1ywrg0a46p2j98hhymhi3w7r5ng8z-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/abr1ywrg0a46p2j98hhymhi3w7r5ng8z-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building abr1ywrg0a46p2j98hhymhi3w7r5ng8z-check-flake-inputs.drv