these 2 derivations will be built:
  /nix/store/v6c958pkxrvl0n6yg68cn9g5c32zi319-flake-inputs.drv
  /nix/store/0cgmn4yxx3fk83fv4vm90c8b2a0b5xy1-check-flake-inputs.drv
building '/nix/store/v6c958pkxrvl0n6yg68cn9g5c32zi319-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=20&system=aarch64-darwin'
building '/nix/store/v6c958pkxrvl0n6yg68cn9g5c32zi319-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building v6c958pkxrvl0n6yg68cn9g5c32zi319-flake-inputs.drv
building '/nix/store/0cgmn4yxx3fk83fv4vm90c8b2a0b5xy1-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=23&system=aarch64-darwin'