these 2 derivations will be built:
  /nix/store/mbnv9gcwv3fwy9f5js1pc71749qn04g3-flake-inputs.drv
  /nix/store/1jbmd19ldsz1346nqlsava5ik8dr68z0-check-flake-inputs.drv
building '/nix/store/mbnv9gcwv3fwy9f5js1pc71749qn04g3-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=22&system=aarch64-darwin'
building '/nix/store/mbnv9gcwv3fwy9f5js1pc71749qn04g3-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building mbnv9gcwv3fwy9f5js1pc71749qn04g3-flake-inputs.drv
building '/nix/store/1jbmd19ldsz1346nqlsava5ik8dr68z0-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=22&system=aarch64-darwin'
building '/nix/store/1jbmd19ldsz1346nqlsava5ik8dr68z0-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 1jbmd19ldsz1346nqlsava5ik8dr68z0-check-flake-inputs.drv