these 2 derivations will be built:
  /nix/store/fly068f3mcrvs3jisca5v11ra8643pa9-flake-inputs.drv
  /nix/store/7vc7gbvlv9mnlgqwvcs08ylwycpcl8nc-check-flake-inputs.drv
building '/nix/store/fly068f3mcrvs3jisca5v11ra8643pa9-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/fly068f3mcrvs3jisca5v11ra8643pa9-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building fly068f3mcrvs3jisca5v11ra8643pa9-flake-inputs.drv
building '/nix/store/7vc7gbvlv9mnlgqwvcs08ylwycpcl8nc-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/7vc7gbvlv9mnlgqwvcs08ylwycpcl8nc-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 7vc7gbvlv9mnlgqwvcs08ylwycpcl8nc-check-flake-inputs.drv